From 5d8111692e4382ec79ee493ed8e870f579db22d1 Mon Sep 17 00:00:00 2001 From: James Chen Date: Mon, 9 Jan 2017 17:39:11 +0800 Subject: [PATCH 1/4] Adds source code of tremolo(for decoding ogg), pvmp3dec source code --- sources/pvmp3dec/Android.mk | 64 + .../pvmp3dec/include/mp3_decoder_selection.h | 30 + .../pvmp3dec/include/pvmp3_audio_type_defs.h | 77 + sources/pvmp3dec/include/pvmp3decoder_api.h | 259 ++ sources/pvmp3dec/src/asm/pvmp3_dct_16_gcc.s | 476 +++ sources/pvmp3dec/src/asm/pvmp3_dct_9_gcc.s | 193 ++ sources/pvmp3dec/src/asm/pvmp3_mdct_18_gcc.s | 357 ++ .../asm/pvmp3_polyphase_filter_window_gcc.s | 233 ++ sources/pvmp3dec/src/mp3_mem_funcs.h | 81 + sources/pvmp3dec/src/pv_mp3_huffman.h | 115 + sources/pvmp3dec/src/pv_mp3dec_fxd_op.h | 84 + sources/pvmp3dec/src/pv_mp3dec_fxd_op_arm.h | 203 ++ .../pvmp3dec/src/pv_mp3dec_fxd_op_arm_gcc.h | 252 ++ .../src/pv_mp3dec_fxd_op_c_equivalent.h | 123 + .../pvmp3dec/src/pv_mp3dec_fxd_op_msc_evc.h | 132 + .../pvmp3dec/src/pvmp3_alias_reduction.cpp | 261 ++ sources/pvmp3dec/src/pvmp3_alias_reduction.h | 100 + sources/pvmp3dec/src/pvmp3_crc.cpp | 161 + sources/pvmp3dec/src/pvmp3_crc.h | 110 + sources/pvmp3dec/src/pvmp3_dct_16.cpp | 410 +++ sources/pvmp3dec/src/pvmp3_dct_16.h | 102 + sources/pvmp3dec/src/pvmp3_dct_6.cpp | 152 + sources/pvmp3dec/src/pvmp3_dct_9.cpp | 167 + sources/pvmp3dec/src/pvmp3_dec_defs.h | 199 ++ sources/pvmp3dec/src/pvmp3_decode_header.cpp | 194 ++ sources/pvmp3dec/src/pvmp3_decode_header.h | 101 + sources/pvmp3dec/src/pvmp3_decode_huff_cw.cpp | 758 +++++ sources/pvmp3dec/src/pvmp3_decode_huff_cw.h | 114 + .../pvmp3dec/src/pvmp3_dequantize_sample.cpp | 452 +++ .../pvmp3dec/src/pvmp3_dequantize_sample.h | 106 + sources/pvmp3dec/src/pvmp3_equalizer.cpp | 415 +++ sources/pvmp3dec/src/pvmp3_equalizer.h | 101 + sources/pvmp3dec/src/pvmp3_framedecoder.cpp | 834 +++++ sources/pvmp3dec/src/pvmp3_framedecoder.h | 115 + .../pvmp3dec/src/pvmp3_get_main_data_size.cpp | 180 + .../pvmp3dec/src/pvmp3_get_main_data_size.h | 101 + .../pvmp3dec/src/pvmp3_get_scale_factors.cpp | 226 ++ .../pvmp3dec/src/pvmp3_get_scale_factors.h | 104 + sources/pvmp3dec/src/pvmp3_get_side_info.cpp | 285 ++ sources/pvmp3dec/src/pvmp3_get_side_info.h | 102 + sources/pvmp3dec/src/pvmp3_getbits.cpp | 257 ++ sources/pvmp3dec/src/pvmp3_getbits.h | 112 + .../pvmp3dec/src/pvmp3_huffman_decoding.cpp | 304 ++ .../pvmp3dec/src/pvmp3_huffman_parsing.cpp | 328 ++ sources/pvmp3dec/src/pvmp3_imdct_synth.cpp | 376 +++ sources/pvmp3dec/src/pvmp3_imdct_synth.h | 102 + sources/pvmp3dec/src/pvmp3_mdct_18.cpp | 289 ++ sources/pvmp3dec/src/pvmp3_mdct_18.h | 109 + sources/pvmp3dec/src/pvmp3_mdct_6.cpp | 165 + sources/pvmp3dec/src/pvmp3_mdct_6.h | 106 + .../src/pvmp3_mpeg2_get_scale_data.cpp | 247 ++ .../pvmp3dec/src/pvmp3_mpeg2_get_scale_data.h | 105 + .../src/pvmp3_mpeg2_get_scale_factors.cpp | 202 ++ .../src/pvmp3_mpeg2_get_scale_factors.h | 105 + .../pvmp3dec/src/pvmp3_mpeg2_stereo_proc.cpp | 700 ++++ .../pvmp3dec/src/pvmp3_mpeg2_stereo_proc.h | 112 + sources/pvmp3dec/src/pvmp3_normalize.cpp | 173 + sources/pvmp3dec/src/pvmp3_normalize.h | 108 + .../src/pvmp3_poly_phase_synthesis.cpp | 187 ++ .../pvmp3dec/src/pvmp3_poly_phase_synthesis.h | 102 + .../src/pvmp3_polyphase_filter_window.cpp | 239 ++ .../src/pvmp3_polyphase_filter_window.h | 138 + sources/pvmp3dec/src/pvmp3_reorder.cpp | 197 ++ sources/pvmp3dec/src/pvmp3_reorder.h | 103 + sources/pvmp3dec/src/pvmp3_seek_synch.cpp | 308 ++ sources/pvmp3dec/src/pvmp3_seek_synch.h | 106 + sources/pvmp3dec/src/pvmp3_stereo_proc.cpp | 676 ++++ sources/pvmp3dec/src/pvmp3_stereo_proc.h | 114 + sources/pvmp3dec/src/pvmp3_tables.cpp | 2934 +++++++++++++++++ sources/pvmp3dec/src/pvmp3_tables.h | 124 + sources/pvmp3dec/src/s_huffcodetab.h | 98 + sources/pvmp3dec/src/s_mp3bits.h | 107 + sources/pvmp3dec/src/s_tmp3dec_chan.h | 110 + sources/pvmp3dec/src/s_tmp3dec_file.h | 118 + sources/tremolo/Android.mk | 45 + sources/tremolo/CleanSpec.mk | 49 + sources/tremolo/MODULE_LICENSE_BSD_LIKE | 0 sources/tremolo/NOTICE | 30 + sources/tremolo/README | 8 + sources/tremolo/README.version | 3 + sources/tremolo/Tremolo/asm_arm.h | 265 ++ sources/tremolo/Tremolo/bitwise.c | 871 +++++ sources/tremolo/Tremolo/bitwiseARM.s | 399 +++ sources/tremolo/Tremolo/codebook.c | 920 ++++++ sources/tremolo/Tremolo/codebook.h | 89 + sources/tremolo/Tremolo/codec_internal.h | 235 ++ sources/tremolo/Tremolo/config_types.h | 47 + sources/tremolo/Tremolo/dpen.s | 496 +++ sources/tremolo/Tremolo/dsp.c | 326 ++ sources/tremolo/Tremolo/floor0.c | 448 +++ sources/tremolo/Tremolo/floor1.c | 407 +++ sources/tremolo/Tremolo/floor1ARM.s | 67 + sources/tremolo/Tremolo/floor1LARM.s | 66 + sources/tremolo/Tremolo/floor_lookup.c | 112 + sources/tremolo/Tremolo/framing.c | 1169 +++++++ sources/tremolo/Tremolo/ivorbiscodec.h | 124 + sources/tremolo/Tremolo/ivorbisfile.h | 142 + sources/tremolo/Tremolo/lsp_lookup.h | 128 + sources/tremolo/Tremolo/mapping0.c | 261 ++ sources/tremolo/Tremolo/mdct.c | 582 ++++ sources/tremolo/Tremolo/mdct.h | 79 + sources/tremolo/Tremolo/mdctARM.s | 1234 +++++++ sources/tremolo/Tremolo/mdctLARM.s | 1206 +++++++ sources/tremolo/Tremolo/mdct_lookup.h | 559 ++++ sources/tremolo/Tremolo/misc.c | 229 ++ sources/tremolo/Tremolo/misc.h | 213 ++ sources/tremolo/Tremolo/ogg.h | 242 ++ sources/tremolo/Tremolo/os.h | 82 + sources/tremolo/Tremolo/os_types.h | 124 + sources/tremolo/Tremolo/res012.c | 247 ++ sources/tremolo/Tremolo/treminfo.c | 395 +++ sources/tremolo/Tremolo/vorbisfile.c | 1612 +++++++++ sources/tremolo/Tremolo/window_lookup.h | 2107 ++++++++++++ 113 files changed, 33708 insertions(+) create mode 100644 sources/pvmp3dec/Android.mk create mode 100644 sources/pvmp3dec/include/mp3_decoder_selection.h create mode 100644 sources/pvmp3dec/include/pvmp3_audio_type_defs.h create mode 100644 sources/pvmp3dec/include/pvmp3decoder_api.h create mode 100644 sources/pvmp3dec/src/asm/pvmp3_dct_16_gcc.s create mode 100644 sources/pvmp3dec/src/asm/pvmp3_dct_9_gcc.s create mode 100644 sources/pvmp3dec/src/asm/pvmp3_mdct_18_gcc.s create mode 100644 sources/pvmp3dec/src/asm/pvmp3_polyphase_filter_window_gcc.s create mode 100644 sources/pvmp3dec/src/mp3_mem_funcs.h create mode 100644 sources/pvmp3dec/src/pv_mp3_huffman.h create mode 100644 sources/pvmp3dec/src/pv_mp3dec_fxd_op.h create mode 100644 sources/pvmp3dec/src/pv_mp3dec_fxd_op_arm.h create mode 100644 sources/pvmp3dec/src/pv_mp3dec_fxd_op_arm_gcc.h create mode 100644 sources/pvmp3dec/src/pv_mp3dec_fxd_op_c_equivalent.h create mode 100644 sources/pvmp3dec/src/pv_mp3dec_fxd_op_msc_evc.h create mode 100644 sources/pvmp3dec/src/pvmp3_alias_reduction.cpp create mode 100644 sources/pvmp3dec/src/pvmp3_alias_reduction.h create mode 100644 sources/pvmp3dec/src/pvmp3_crc.cpp create mode 100644 sources/pvmp3dec/src/pvmp3_crc.h create mode 100644 sources/pvmp3dec/src/pvmp3_dct_16.cpp create mode 100644 sources/pvmp3dec/src/pvmp3_dct_16.h create mode 100644 sources/pvmp3dec/src/pvmp3_dct_6.cpp create mode 100644 sources/pvmp3dec/src/pvmp3_dct_9.cpp create mode 100644 sources/pvmp3dec/src/pvmp3_dec_defs.h create mode 100644 sources/pvmp3dec/src/pvmp3_decode_header.cpp create mode 100644 sources/pvmp3dec/src/pvmp3_decode_header.h create mode 100644 sources/pvmp3dec/src/pvmp3_decode_huff_cw.cpp create mode 100644 sources/pvmp3dec/src/pvmp3_decode_huff_cw.h create mode 100644 sources/pvmp3dec/src/pvmp3_dequantize_sample.cpp create mode 100644 sources/pvmp3dec/src/pvmp3_dequantize_sample.h create mode 100644 sources/pvmp3dec/src/pvmp3_equalizer.cpp create mode 100644 sources/pvmp3dec/src/pvmp3_equalizer.h create mode 100644 sources/pvmp3dec/src/pvmp3_framedecoder.cpp create mode 100644 sources/pvmp3dec/src/pvmp3_framedecoder.h create mode 100644 sources/pvmp3dec/src/pvmp3_get_main_data_size.cpp create mode 100644 sources/pvmp3dec/src/pvmp3_get_main_data_size.h create mode 100644 sources/pvmp3dec/src/pvmp3_get_scale_factors.cpp create mode 100644 sources/pvmp3dec/src/pvmp3_get_scale_factors.h create mode 100644 sources/pvmp3dec/src/pvmp3_get_side_info.cpp create mode 100644 sources/pvmp3dec/src/pvmp3_get_side_info.h create mode 100644 sources/pvmp3dec/src/pvmp3_getbits.cpp create mode 100644 sources/pvmp3dec/src/pvmp3_getbits.h create mode 100644 sources/pvmp3dec/src/pvmp3_huffman_decoding.cpp create mode 100644 sources/pvmp3dec/src/pvmp3_huffman_parsing.cpp create mode 100644 sources/pvmp3dec/src/pvmp3_imdct_synth.cpp create mode 100644 sources/pvmp3dec/src/pvmp3_imdct_synth.h create mode 100644 sources/pvmp3dec/src/pvmp3_mdct_18.cpp create mode 100644 sources/pvmp3dec/src/pvmp3_mdct_18.h create mode 100644 sources/pvmp3dec/src/pvmp3_mdct_6.cpp create mode 100644 sources/pvmp3dec/src/pvmp3_mdct_6.h create mode 100644 sources/pvmp3dec/src/pvmp3_mpeg2_get_scale_data.cpp create mode 100644 sources/pvmp3dec/src/pvmp3_mpeg2_get_scale_data.h create mode 100644 sources/pvmp3dec/src/pvmp3_mpeg2_get_scale_factors.cpp create mode 100644 sources/pvmp3dec/src/pvmp3_mpeg2_get_scale_factors.h create mode 100644 sources/pvmp3dec/src/pvmp3_mpeg2_stereo_proc.cpp create mode 100644 sources/pvmp3dec/src/pvmp3_mpeg2_stereo_proc.h create mode 100644 sources/pvmp3dec/src/pvmp3_normalize.cpp create mode 100644 sources/pvmp3dec/src/pvmp3_normalize.h create mode 100644 sources/pvmp3dec/src/pvmp3_poly_phase_synthesis.cpp create mode 100644 sources/pvmp3dec/src/pvmp3_poly_phase_synthesis.h create mode 100644 sources/pvmp3dec/src/pvmp3_polyphase_filter_window.cpp create mode 100644 sources/pvmp3dec/src/pvmp3_polyphase_filter_window.h create mode 100644 sources/pvmp3dec/src/pvmp3_reorder.cpp create mode 100644 sources/pvmp3dec/src/pvmp3_reorder.h create mode 100644 sources/pvmp3dec/src/pvmp3_seek_synch.cpp create mode 100644 sources/pvmp3dec/src/pvmp3_seek_synch.h create mode 100644 sources/pvmp3dec/src/pvmp3_stereo_proc.cpp create mode 100644 sources/pvmp3dec/src/pvmp3_stereo_proc.h create mode 100644 sources/pvmp3dec/src/pvmp3_tables.cpp create mode 100644 sources/pvmp3dec/src/pvmp3_tables.h create mode 100644 sources/pvmp3dec/src/s_huffcodetab.h create mode 100644 sources/pvmp3dec/src/s_mp3bits.h create mode 100644 sources/pvmp3dec/src/s_tmp3dec_chan.h create mode 100644 sources/pvmp3dec/src/s_tmp3dec_file.h create mode 100644 sources/tremolo/Android.mk create mode 100644 sources/tremolo/CleanSpec.mk create mode 100644 sources/tremolo/MODULE_LICENSE_BSD_LIKE create mode 100644 sources/tremolo/NOTICE create mode 100644 sources/tremolo/README create mode 100644 sources/tremolo/README.version create mode 100644 sources/tremolo/Tremolo/asm_arm.h create mode 100644 sources/tremolo/Tremolo/bitwise.c create mode 100644 sources/tremolo/Tremolo/bitwiseARM.s create mode 100644 sources/tremolo/Tremolo/codebook.c create mode 100644 sources/tremolo/Tremolo/codebook.h create mode 100644 sources/tremolo/Tremolo/codec_internal.h create mode 100644 sources/tremolo/Tremolo/config_types.h create mode 100644 sources/tremolo/Tremolo/dpen.s create mode 100644 sources/tremolo/Tremolo/dsp.c create mode 100644 sources/tremolo/Tremolo/floor0.c create mode 100644 sources/tremolo/Tremolo/floor1.c create mode 100644 sources/tremolo/Tremolo/floor1ARM.s create mode 100644 sources/tremolo/Tremolo/floor1LARM.s create mode 100644 sources/tremolo/Tremolo/floor_lookup.c create mode 100644 sources/tremolo/Tremolo/framing.c create mode 100644 sources/tremolo/Tremolo/ivorbiscodec.h create mode 100644 sources/tremolo/Tremolo/ivorbisfile.h create mode 100644 sources/tremolo/Tremolo/lsp_lookup.h create mode 100644 sources/tremolo/Tremolo/mapping0.c create mode 100644 sources/tremolo/Tremolo/mdct.c create mode 100644 sources/tremolo/Tremolo/mdct.h create mode 100644 sources/tremolo/Tremolo/mdctARM.s create mode 100644 sources/tremolo/Tremolo/mdctLARM.s create mode 100644 sources/tremolo/Tremolo/mdct_lookup.h create mode 100644 sources/tremolo/Tremolo/misc.c create mode 100644 sources/tremolo/Tremolo/misc.h create mode 100644 sources/tremolo/Tremolo/ogg.h create mode 100644 sources/tremolo/Tremolo/os.h create mode 100644 sources/tremolo/Tremolo/os_types.h create mode 100644 sources/tremolo/Tremolo/res012.c create mode 100644 sources/tremolo/Tremolo/treminfo.c create mode 100644 sources/tremolo/Tremolo/vorbisfile.c create mode 100644 sources/tremolo/Tremolo/window_lookup.h diff --git a/sources/pvmp3dec/Android.mk b/sources/pvmp3dec/Android.mk new file mode 100644 index 00000000..7708b17a --- /dev/null +++ b/sources/pvmp3dec/Android.mk @@ -0,0 +1,64 @@ +LOCAL_PATH:= $(call my-dir) +include $(CLEAR_VARS) + +LOCAL_SRC_FILES := \ + src/pvmp3_normalize.cpp \ + src/pvmp3_alias_reduction.cpp \ + src/pvmp3_crc.cpp \ + src/pvmp3_decode_header.cpp \ + src/pvmp3_decode_huff_cw.cpp \ + src/pvmp3_getbits.cpp \ + src/pvmp3_dequantize_sample.cpp \ + src/pvmp3_framedecoder.cpp \ + src/pvmp3_get_main_data_size.cpp \ + src/pvmp3_get_side_info.cpp \ + src/pvmp3_get_scale_factors.cpp \ + src/pvmp3_mpeg2_get_scale_data.cpp \ + src/pvmp3_mpeg2_get_scale_factors.cpp \ + src/pvmp3_mpeg2_stereo_proc.cpp \ + src/pvmp3_huffman_decoding.cpp \ + src/pvmp3_huffman_parsing.cpp \ + src/pvmp3_tables.cpp \ + src/pvmp3_imdct_synth.cpp \ + src/pvmp3_mdct_6.cpp \ + src/pvmp3_dct_6.cpp \ + src/pvmp3_poly_phase_synthesis.cpp \ + src/pvmp3_equalizer.cpp \ + src/pvmp3_seek_synch.cpp \ + src/pvmp3_stereo_proc.cpp \ + src/pvmp3_reorder.cpp \ + +ifeq ($(TARGET_ARCH),arm) +LOCAL_SRC_FILES += \ + src/asm/pvmp3_polyphase_filter_window_gcc.s \ + src/asm/pvmp3_mdct_18_gcc.s \ + src/asm/pvmp3_dct_9_gcc.s \ + src/asm/pvmp3_dct_16_gcc.s +else +LOCAL_SRC_FILES += \ + src/pvmp3_polyphase_filter_window.cpp \ + src/pvmp3_mdct_18.cpp \ + src/pvmp3_dct_9.cpp \ + src/pvmp3_dct_16.cpp +endif + +LOCAL_C_INCLUDES := \ + $(LOCAL_PATH)/src \ + $(LOCAL_PATH)/include + +LOCAL_EXPORT_C_INCLUDES := \ + $(LOCAL_PATH)/src \ + $(LOCAL_PATH)/include + +LOCAL_CFLAGS := \ + -D"OSCL_UNUSED_ARG(x)=(void)(x)" + +LOCAL_CFLAGS += -Werror +LOCAL_CLANG := true +LOCAL_SANITIZE := signed-integer-overflow + +LOCAL_MODULE := libpvmp3dec + +LOCAL_ARM_MODE := arm + +include $(BUILD_STATIC_LIBRARY) diff --git a/sources/pvmp3dec/include/mp3_decoder_selection.h b/sources/pvmp3dec/include/mp3_decoder_selection.h new file mode 100644 index 00000000..e287433d --- /dev/null +++ b/sources/pvmp3dec/include/mp3_decoder_selection.h @@ -0,0 +1,30 @@ +/* ------------------------------------------------------------------ + * Copyright (C) 1998-2009 PacketVideo + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either + * express or implied. + * See the License for the specific language governing permissions + * and limitations under the License. + * ------------------------------------------------------------------- + */ +/*! \file mp3_decoder_selection.h + * \brief select mp3 decoder + * + */ + +#ifndef MP3_DECODER_SELECTION_H +#define MP3_DECODER_SELECTION_H + + +#define NEW_PV_MP3_DECODER 1 // 1 == PV mp3 decoder + +#endif + diff --git a/sources/pvmp3dec/include/pvmp3_audio_type_defs.h b/sources/pvmp3dec/include/pvmp3_audio_type_defs.h new file mode 100644 index 00000000..2d94384f --- /dev/null +++ b/sources/pvmp3dec/include/pvmp3_audio_type_defs.h @@ -0,0 +1,77 @@ +/* ------------------------------------------------------------------ + * Copyright (C) 1998-2009 PacketVideo + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either + * express or implied. + * See the License for the specific language governing permissions + * and limitations under the License. + * ------------------------------------------------------------------- + */ +/* +------------------------------------------------------------------------------ + PacketVideo Corp. + MP3 Decoder Library + + Filename: pvmp3_audio_type_defs.h + + Date: 09/21/2007 + +------------------------------------------------------------------------------ + REVISION HISTORY + + Description: +------------------------------------------------------------------------------ + INCLUDE DESCRIPTION + + This file was derived from a number of standards bodies. The type + definitions below were created from some of the best practices observed + in the standards bodies. + + This file is dependent on limits.h for defining the bit widths. In an + ANSI C environment limits.h is expected to always be present and contain + the following definitions: + + SCHAR_MIN + SCHAR_MAX + UCHAR_MAX + + INT_MAX + INT_MIN + UINT_MAX + + SHRT_MIN + SHRT_MAX + USHRT_MAX + + LONG_MIN + LONG_MAX + ULONG_MAX + +------------------------------------------------------------------------------ +*/ + +#ifndef PVMP3_AUDIO_TYPE_DEFS_H +#define PVMP3_AUDIO_TYPE_DEFS_H + +#include + +typedef int8_t int8; +typedef uint8_t uint8; +typedef int16_t int16; +typedef uint16_t uint16; +typedef int32_t int32; +typedef uint32_t uint32; +typedef int64_t int64; +typedef uint64_t uint64; + +typedef int32_t Int32; + +#endif /* PVMP3_AUDIO_TYPE_DEFS_H */ diff --git a/sources/pvmp3dec/include/pvmp3decoder_api.h b/sources/pvmp3dec/include/pvmp3decoder_api.h new file mode 100644 index 00000000..1568e7c1 --- /dev/null +++ b/sources/pvmp3dec/include/pvmp3decoder_api.h @@ -0,0 +1,259 @@ +/* ------------------------------------------------------------------ + * Copyright (C) 1998-2009 PacketVideo + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either + * express or implied. + * See the License for the specific language governing permissions + * and limitations under the License. + * ------------------------------------------------------------------- + */ +/* +------------------------------------------------------------------------------ + PacketVideo Corp. + MP3 Decoder Library + + Filename: pvmp3decoder_api.h + + Date: 09/21/2007 + +------------------------------------------------------------------------------ + REVISION HISTORY + + Description: + +------------------------------------------------------------------------------ + INCLUDE DESCRIPTION + + This include file defines the structure tPVMP3DecoderExternal + +------------------------------------------------------------------------------ +*/ + +/*---------------------------------------------------------------------------- +; CONTINUE ONLY IF NOT ALREADY DEFINED +----------------------------------------------------------------------------*/ +#ifndef PVMP3DECODER_API_H +#define PVMP3DECODER_API_H + +/*---------------------------------------------------------------------------- +; INCLUDES +----------------------------------------------------------------------------*/ + +#include "pvmp3_audio_type_defs.h" +#include "pvmp3_dec_defs.h" + +/*---------------------------------------------------------------------------- +; MACROS +; Define module specific macros here +----------------------------------------------------------------------------*/ +#ifdef __cplusplus +extern "C" +{ +#endif + + /*---------------------------------------------------------------------------- + ; DEFINES + ; Include all pre-processor statements here. + ----------------------------------------------------------------------------*/ + + /*---------------------------------------------------------------------------- + ; EXTERNAL VARIABLES REFERENCES + ; Declare variables used in this module but defined elsewhere + ----------------------------------------------------------------------------*/ + + /*---------------------------------------------------------------------------- + ; SIMPLE TYPEDEF'S + ----------------------------------------------------------------------------*/ + + /*---------------------------------------------------------------------------- + ; ENUMERATED TYPEDEF'S + ----------------------------------------------------------------------------*/ + typedef enum + { + flat = 0, + bass_boost = 1, + rock = 2, + pop = 3, + jazz = 4, + classical = 5, + talk = 6, + flat_ = 7 + + } e_equalization; + + + + typedef enum ERROR_CODE + { + NO_DECODING_ERROR = 0, + UNSUPPORTED_LAYER = 1, + UNSUPPORTED_FREE_BITRATE = 2, + FILE_OPEN_ERROR = 3, /* error opening file */ + CHANNEL_CONFIG_ERROR = 4, /* error in channel configuration */ + SYNTHESIS_WINDOW_ERROR = 5, /* error in synthesis window table */ + READ_FILE_ERROR = 6, /* error reading input file */ + SIDE_INFO_ERROR = 7, /* error in side info */ + HUFFMAN_TABLE_ERROR = 8, /* error in Huffman table */ + COMMAND_LINE_ERROR = 9, /* error in command line */ + MEMORY_ALLOCATION_ERROR = 10, /* error allocating memory */ + NO_ENOUGH_MAIN_DATA_ERROR = 11, + SYNCH_LOST_ERROR = 12, + OUTPUT_BUFFER_TOO_SMALL = 13 /* output buffer can't hold output */ + } ERROR_CODE; + + /*---------------------------------------------------------------------------- + ; STRUCTURES TYPEDEF'S + ----------------------------------------------------------------------------*/ + + typedef struct +#ifdef __cplusplus + tPVMP3DecoderExternal +#endif + { + + /* + * INPUT: + * Pointer to the input buffer that contains the encoded bistream data. + * The data is filled in such that the first bit transmitted is + * the most-significant bit (MSB) of the first array element. + * The buffer is accessed in a linear fashion for speed, and the number of + * bytes consumed varies frame to frame. + * The calling environment can change what is pointed to between calls to + * the decode function, library, as long as the inputBufferCurrentLength, + * and inputBufferUsedLength are updated too. Also, any remaining bits in + * the old buffer must be put at the beginning of the new buffer. + */ + uint8 *pInputBuffer; + + /* + * INPUT: + * Number of valid bytes in the input buffer, set by the calling + * function. After decoding the bitstream the library checks to + * see if it when past this value; it would be to prohibitive to + * check after every read operation. This value is not modified by + * the MP3 library. + */ + int32 inputBufferCurrentLength; + + /* + * INPUT/OUTPUT: + * Number of elements used by the library, initially set to zero by + * the function pvmp3_resetDecoder(), and modified by each + * call to pvmp3_framedecoder(). + */ + int32 inputBufferUsedLength; + + /* + * OUTPUT: + * holds the predicted frame size. It used on the test console, for parsing + * purposes. + */ + uint32 CurrentFrameLength; + + /* + * INPUT: + * This variable holds the type of equalization used + * + * + */ + e_equalization equalizerType; + + + /* + * INPUT: + * The actual size of the buffer. + * This variable is not used by the library, but is used by the + * console test application. This parameter could be deleted + * if this value was passed into these function. + */ + int32 inputBufferMaxLength; + + /* + * OUTPUT: + * The number of channels decoded from the bitstream. + */ + int16 num_channels; + + /* + * OUTPUT: + * The number of channels decoded from the bitstream. + */ + int16 version; + + /* + * OUTPUT: + * The sampling rate decoded from the bitstream, in units of + * samples/second. + */ + int32 samplingRate; + + /* + * OUTPUT: + * This value is the bitrate in units of bits/second. IT + * is calculated using the number of bits consumed for the current frame, + * and then multiplying by the sampling_rate, divided by points in a frame. + * This value can changes frame to frame. + */ + int32 bitRate; + + /* + * INPUT/OUTPUT: + * In: Inform decoder how much more room is available in the output buffer in int16 samples + * Out: Size of the output frame in 16-bit words, This value depends on the mp3 version + */ + int32 outputFrameSize; + + /* + * INPUT: + * Flag to enable/disable crc error checking + */ + int32 crcEnabled; + + /* + * OUTPUT: + * This value is used to accumulate bit processed and compute an estimate of the + * bitrate. For debugging purposes only, as it will overflow for very long clips + */ + uint32 totalNumberOfBitsUsed; + + + /* + * INPUT: (but what is pointed to is an output) + * Pointer to the output buffer to hold the 16-bit PCM audio samples. + * If the output is stereo, both left and right channels will be stored + * in this one buffer. + */ + + int16 *pOutputBuffer; + + } tPVMP3DecoderExternal; + +uint32 pvmp3_decoderMemRequirements(void); + +void pvmp3_InitDecoder(tPVMP3DecoderExternal *pExt, + void *pMem); + +void pvmp3_resetDecoder(void *pMem); + +ERROR_CODE pvmp3_framedecoder(tPVMP3DecoderExternal *pExt, + void *pMem); + +#ifdef __cplusplus +} +#endif + +/*---------------------------------------------------------------------------- +; END +----------------------------------------------------------------------------*/ + +#endif + + diff --git a/sources/pvmp3dec/src/asm/pvmp3_dct_16_gcc.s b/sources/pvmp3dec/src/asm/pvmp3_dct_16_gcc.s new file mode 100644 index 00000000..e61c8d3d --- /dev/null +++ b/sources/pvmp3dec/src/asm/pvmp3_dct_16_gcc.s @@ -0,0 +1,476 @@ +@ ------------------------------------------------------------------ +@ Copyright (C) 1998-2009 PacketVideo +@ +@ Licensed under the Apache License, Version 2.0 (the "License"); +@ you may not use this file except in compliance with the License. +@ You may obtain a copy of the License at +@ +@ http://www.apache.org/licenses/LICENSE-2.0 +@ +@ Unless required by applicable law or agreed to in writing, software +@ distributed under the License is distributed on an "AS IS" BASIS, +@ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either +@ express or implied. +@ See the License for the specific language governing permissions +@ and limitations under the License. +@ ------------------------------------------------------------------- + +@ +@ +@ Filename: pvmp3_dct_16_gcc.s +@ +@ +@------------------------------------------------------------------------------ +@ REVISION HISTORY +@ +@ +@ Who: Date: MM/DD/YYYY +@ Description: +@ +@------------------------------------------------------------------------------ + +.arm + +.align 4 + +.text + +.extern pvmp3_dct_16 +.extern pvmp3_merge_in_place_N32 +.extern pvmp3_split + + + +@------------------------------------------------------------------------------ + +.global pvmp3_dct_16 + +pvmp3_dct_16: + stmfd sp!,{r0,r1,r4-r11,lr} + ldr r1,[r0] + ldr r3,[r0,#0x3c] + ldr r12,constant1 + sub r2,r1,r3 + smull lr,r2,r12,r2 + sub sp,sp,#0x1c + str r2,[sp,#0x14] + ldr r2,[r0,#0x1c] + ldr r12,[r0,#0x20] + add r1,r1,r3 + sub r3,r2,r12 + ldr lr,constant2 + mov r3,r3,lsl #3 + smull r4,r3,lr,r3 + ldr r6,constant5 + str r3,[sp] + add r3,r2,r12 + sub r2,r1,r3 + ldr r12,constant3 + add r3,r1,r3 + smull lr,r2,r12,r2 + ldr r12,[r0,#0x38] + ldr r1,[r0,#4] + ldr lr,constant4 + sub r4,r1,r12 + add r1,r1,r12 + ldr r12,[r0,#0x18] + smull r4,r5,lr,r4 + ldr lr,[r0,#0x24] + ldr r10,constant10 + sub r4,r12,lr + mov r4,r4,lsl #1 + smull r7,r4,r6,r4 + add r12,r12,lr + add r7,r1,r12 + sub r12,r1,r12 + ldr r1,constant6 + str r4,[sp,#4] + smull r12,r4,r1,r12 + ldr r1,[r0,#8] + ldr r12,[r0,#0x34] + ldr r6,constant7 + sub lr,r1,r12 + smull r8,lr,r6,lr + add r1,r1,r12 + str lr,[sp,#0x10] + ldr r12,[r0,#0x14] + ldr lr,[r0,#0x28] + ldr r8,constant8 + sub r6,r12,lr + mov r6,r6,lsl #1 + smull r9,r6,r8,r6 + add r12,r12,lr + ldr r9,constant9 + add r8,r1,r12 + sub r12,r1,r12 + smull r12,lr,r9,r12 + ldr r12,[r0,#0x30] + ldr r1,[r0,#0xc] + sub r9,r1,r12 + smull r11,r9,r10,r9 + add r12,r1,r12 + str r9,[sp,#0xc] + ldr r9,[r0,#0x10] + ldr r10,constant11 + str r9,[sp,#0x18] + ldr r1,[r0,#0x2c] + sub r9,r9,r1 + smull r11,r9,r10,r9 + ldr r10,constant12 + str r9,[sp,#8] + ldr r9,[sp,#0x18] + ldr r11,constant14 + add r9,r9,r1 + add r1,r12,r9 + sub r12,r12,r9 + mov r12,r12,lsl #2 + smull r9,r12,r10,r12 + ldr r10,constant13 + add r9,r3,r1 + sub r1,r3,r1 + smull r1,r3,r10,r1 + sub r1,r7,r8 + mov r1,r1,lsl #1 + smull r1,r10,r11,r1 + add r1,r7,r8 + add r8,r9,r1 + sub r7,r9,r1 + mov r8,r8,asr #1 + ldr r1,constant15 + str r8,[r0] + smull r7,r8,r1,r7 + sub r7,r3,r10 + str r8,[r0,#0x20] + mov r7,r7,lsl #1 + smull r8,r7,r1,r7 + add r3,r3,r10 + add r3,r3,r7 + str r3,[r0,#0x10] + sub r3,r2,r12 + str r7,[r0,#0x30] + add r2,r2,r12 + ldr r7,constant13 + sub r12,r4,lr + mov r3,r3,lsl #1 + smull r8,r3,r7,r3 + add lr,r4,lr + sub r4,r2,lr + mov r12,r12,lsl #2 + smull r7,r12,r11,r12 + add lr,lr,r2 + sub r2,r3,r12 + mov r2,r2,lsl #1 + smull r7,r2,r1,r2 + mov r4,r4,lsl #1 + add r12,r12,r2 + add r3,r12,r3 + smull r7,r4,r1,r4 + add r12,r3,lr + add r3,r3,r4 + str r3,[r0,#0x18] + add r3,r2,r4 + str r2,[r0,#0x38] + str r3,[r0,#0x28] + str r12,[r0,#8] + ldr r2,[sp,#0x14] + ldr r3,[sp,#0] + ldr lr,[sp,#4] + sub r2,r2,r3 + ldr r3,constant3 + mov r2,r2,lsl #1 + smull r12,r2,r3,r2 + ldr r3,[sp,#0x14] + ldr r12,[sp,#0] + ldr r4,constant6 + add r12,r3,r12 + ldr r3,[sp,#4] + sub lr,r5,lr + mov lr,lr,lsl #1 + add r3,r5,r3 + smull r5,lr,r4,lr + ldr r4,[sp,#0x10] + ldr r5,[sp,#0x10] + add r4,r4,r6 + sub r5,r5,r6 + ldr r6,constant9 + mov r5,r5,lsl #1 + smull r7,r5,r6,r5 + ldr r6,[sp,#8] + ldr r9,[sp,#0xc] + ldr r10,constant12 + sub r6,r9,r6 + mov r6,r6,lsl #3 + smull r7,r6,r10,r6 + ldr r8,[sp,#0x20] + ldr r7,[sp,#8] + cmp r8,#0 + add r7,r9,r7 + + bne no_flag_proc + rsb r12,r12,#0 + rsb r2,r2,#0 + rsb r3,r3,#0 + rsb lr,lr,#0 + rsb r4,r4,#0 + rsb r5,r5,#0 + rsb r7,r7,#0 + rsb r6,r6,#0 +no_flag_proc: + + sub r8,r2,r6 + add r2,r6,r2 + sub r6,r12,r7 + ldr r9,constant13 + add r12,r12,r7 + sub r7,r3,r4 + mov r6,r6,lsl #1 + mov r8,r8,lsl #1 + smull r10,r8,r9,r8 + add r3,r3,r4 + smull r10,r6,r9,r6 + sub r4,lr,r5 + mov r7,r7,lsl #2 + smull r9,r7,r11,r7 + add lr,lr,r5 + sub r5,r6,r7 + add r6,r6,r7 + sub r7,r12,r3 + add r3,r12,r3 + sub r12,r2,lr + mov r4,r4,lsl #2 + smull r9,r4,r11,r4 + add lr,r2,lr + sub r2,r8,r4 + mov r2,r2,lsl #1 + mov r5,r5,lsl #1 + mov r12,r12,lsl #1 + mov r7,r7,lsl #1 + smull r9,r5,r1,r5 + smull r9,r2,r1,r2 + add r6,r6,r5 + smull r9,r7,r1,r7 + smull r9,r12,r1,r12 + add r1,r4,r2 + add r1,r1,r8 + add lr,lr,r1 + add r3,r3,lr + str r3,[r0,#4] + add r3,r6,lr + str r3,[r0,#0xc] + add r1,r1,r12 + add r3,r6,r1 + add r1,r7,r1 + str r1,[r0,#0x1c] + str r3,[r0,#0x14] + add r1,r12,r2 + add r3,r7,r1 + add r1,r5,r1 + str r1,[r0,#0x2c] + str r3,[r0,#0x24]! + add r1,r5,r2 + str r1,[r0,#0x10] + str r2,[r0,#0x18] + add sp,sp,#0x24 + ldmfd sp!,{r4-r11,pc} + + + +@------------------------------------------------------------------------------ + +.global pvmp3_merge_in_place_N32 + + + +pvmp3_merge_in_place_N32: + stmfd sp!,{r4,lr} + ldr r1,[r0,#0x1c] + ldr r2,[r0,#0x38] + str r1,[r0,#0x38] + ldr r1,[r0,#0x18] + ldr r3,[r0,#0x30] + str r1,[r0,#0x30] + ldr r12,[r0,#0x14] + ldr r1,[r0,#0x28] + str r12,[r0,#0x28] + ldr r12,[r0,#0x10] + ldr lr,[r0,#0x20] + str r12,[r0,#0x20] + ldr r12,[r0,#0xc] + str r12,[r0,#0x18] + ldr r12,[r0,#8] + str r12,[r0,#0x10] + ldr r12,[r0,#4] + str r12,[r0,#8] + ldr r4,[r0,#0x40] + ldr r12,[r0,#0x44] + add r4,r4,r12 + str r4,[r0,#4] + str lr,[r0,#0x40] + ldr lr,[r0,#0x48] + add r12,lr,r12 + str r12,[r0,#0xc] + ldr r12,[r0,#0x4c] + add lr,r12,lr + str lr,[r0,#0x14] + ldr lr,[r0,#0x24] + str lr,[r0,#0x48] + ldr lr,[r0,#0x50] + add r12,lr,r12 + str r12,[r0,#0x1c] + ldr r12,[r0,#0x54] + str r1,[r0,#0x50] + add lr,r12,lr + str lr,[r0,#0x24] + ldr r1,[r0,#0x58] + ldr r4,[r0,#0x2c] + ldr lr,[r0,#0x34] + add r12,r1,r12 + str r12,[r0,#0x2c] + ldr r12,[r0,#0x5c] + add r1,r12,r1 + str r1,[r0,#0x34] + str r4,[r0,#0x58] + ldr r1,[r0,#0x60] + ldr r4,[r0,#0x3c] + add r12,r1,r12 + str r12,[r0,#0x3c] + ldr r12,[r0,#0x64] + add r1,r12,r1 + str r1,[r0,#0x44] + ldr r1,[r0,#0x68] + add r12,r1,r12 + str r12,[r0,#0x4c] + ldr r12,[r0,#0x6c] + add r1,r12,r1 + str r1,[r0,#0x54] + ldr r1,[r0,#0x70] + str r3,[r0,#0x60] + add r12,r1,r12 + str r12,[r0,#0x5c] + ldr r3,[r0,#0x74] + add r1,r3,r1 + str r1,[r0,#0x64] + str lr,[r0,#0x68] + ldr r1,[r0,#0x78] + str r2,[r0,#0x70] + add r3,r1,r3 + str r3,[r0,#0x6c] + ldr r2,[r0,#0x7c] + add r1,r1,r2 + str r1,[r0,#0x74] + str r4,[r0,#0x78] + ldmfd sp!,{r4,pc} + + +@------------------------------------------------------------------------------ + +.global pvmp3_split + + +pvmp3_split: + stmfd sp!,{r4,r5,lr} + adr r1,constant16 + ldr r2,[r1] + add r2,r1 + sub r1,r0,#4 + mov r3,#3 +loop1: + ldr r12,[r0] + ldr lr,[r1] + ldr r4,[r2],#-4 + add r5,lr,r12 + sub r12,lr,r12 + smull r12,lr,r4,r12 + str r5,[r1],#-4 + mov r12,r12,lsr #27 + add r12,r12,lr,lsl #5 + str r12,[r0],#4 + ldr r12,[r0] + ldr lr,[r1] + ldr r4,[r2],#-4 + add r5,lr,r12 + sub r12,lr,r12 + smull r12,lr,r4,r12 + str r5,[r1],#-4 + mov r12,r12,lsr #27 + add r12,r12,lr,lsl #5 + str r12,[r0],#4 + subs r3,r3,#1 + bne loop1 + mov r3,#5 +loop2: + ldr r12,[r0] + ldr lr,[r1] + ldr r4,[r2],#-4 + add r5,lr,r12 + sub r12,lr,r12 + mov r12,r12,lsl #1 + smull lr,r12,r4,r12 + str r5,[r1],#-4 + str r12,[r0],#4 + ldr r12,[r0] + ldr lr,[r1] + ldr r4,[r2],#-4 + add r5,lr,r12 + sub r12,lr,r12 + mov r12,r12,lsl #1 + smull lr,r12,r4,r12 + str r5,[r1],#-4 + str r12,[r0],#4 + subs r3,r3,#1 + bne loop2 + ldmfd sp!,{r4,r5,pc} +constant1: + .word 0x404f4680 +constant2: + .word 0x519e4e00 +constant3: + .word 0x4140fb80 +constant4: + .word 0x42e13c00 +constant5: + .word 0x6e3c9300 +constant6: + .word 0x4cf8de80 +constant7: + .word 0x48919f80 +constant8: + .word 0x43e22480 +constant9: + .word 0x73326b80 +constant10: + .word 0x52cb0e80 +constant11: + .word 0x64e24000 +constant12: + .word 0x52036780 +constant13: + .word 0x4545ea00 +constant14: + .word 0x539eba80 +constant15: + .word 0x5a827980 +constant16: + .word (CosTable_dct32 + 60)-constant16 + + + +CosTable_dct32: + .word 0x4013c280 + .word 0x40b34580 + .word 0x41fa2d80 + .word 0x43f93400 + .word 0x46cc1c00 + .word 0x4a9d9d00 + .word 0x4fae3700 + .word 0x56601e80 + .word 0x5f4cf700 + .word 0x6b6fcf00 + .word 0x07c7d1d8 + .word 0x095b0350 + .word 0x0bdf91b0 + .word 0x107655e0 + .word 0x1b42c840 + .word 0x51852300 + + diff --git a/sources/pvmp3dec/src/asm/pvmp3_dct_9_gcc.s b/sources/pvmp3dec/src/asm/pvmp3_dct_9_gcc.s new file mode 100644 index 00000000..618c50e2 --- /dev/null +++ b/sources/pvmp3dec/src/asm/pvmp3_dct_9_gcc.s @@ -0,0 +1,193 @@ +@ ------------------------------------------------------------------ +@ Copyright (C) 1998-2009 PacketVideo +@ +@ Licensed under the Apache License, Version 2.0 (the "License"); +@ you may not use this file except in compliance with the License. +@ You may obtain a copy of the License at +@ +@ http://www.apache.org/licenses/LICENSE-2.0 +@ +@ Unless required by applicable law or agreed to in writing, software +@ distributed under the License is distributed on an "AS IS" BASIS, +@ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either +@ express or implied. +@ See the License for the specific language governing permissions +@ and limitations under the License. +@ ------------------------------------------------------------------- + +@ +@ +@ Filename: pvmp3_dct_9_gcc.s +@ +@------------------------------------------------------------------------------ +@ REVISION HISTORY +@ +@ +@ Who: Date: MM/DD/YYYY +@ Description: +@ +@------------------------------------------------------------------------------ + +.arm + +.align 4 + +.text + + +@------------------------------------------------------------------------------ + +.global pvmp3_dct_9 + +pvmp3_dct_9: + stmfd sp!,{r4-r11,lr} + ldr r2, [r0, #0x20] + ldr r3, [r0, #0] + ldr r12,[r0, #4] + add r1,r2,r3 + sub lr,r2,r3 + ldr r3,[r0, #0x1c] + ldr r4,[r0, #0x18] + add r2,r3,r12 + ldr r5,[r0,#8] + sub r3,r3,r12 + add r12,r4,r5 + sub r4,r4,r5 + ldr r5,[r0, #0x14] + ldr r7,[r0, #0xc] + ldr r9,[r0, #0x10] + add r6,r5,r7 + sub r5,r5,r7 + add r7,r1,r12 + add r8,r9,r2 + add r7,r7,r6 + add r10,r7,r8 + rsb r7,r8,r7,asr #1 + str r7,[r0, #0x18] + rsb r2,r9,r2,asr #1 + str r10,[r0,#0] + ldr r11,cos_2pi_9 + rsb r7,r2,#0 + + ldr r10,cos_4pi_9 + mov r9,r1,lsl #1 + mov r8,r7 + +@ vec[4] = fxp_mac32_Q32( vec[4], tmp0<<1, cos_2pi_9)@ + + smlal r1,r8,r11,r9 + ldr r11,cos_pi_9 + mov r1,r9 @@@@@@ !!!!!! + +@ vec[8] = fxp_mac32_Q32( vec[8], tmp0<<1, cos_4pi_9)@ + + smlal r1,r7,r10,r9 + + mov r1,r12,lsl #1 + + +@ vec[2] = fxp_mac32_Q32( vec[2], tmp0<<1, cos_pi_9)@ + + smlal r9,r2,r11,r9 + rsb r9,r10,#0 + ldr r11,cos_5pi_9 + + smlal r12,r2,r9,r1 + + + +@ vec[2] = fxp_mac32_Q32( vec[2], tmp2<<1, cos_5pi_9)@ + + ldr r9,cos_2pi_9 + mov r12,r1 @@@@@@ !!!!!! + smlal r12,r8,r11,r1 + + +@ vec[8] = fxp_mac32_Q32( vec[8], tmp2<<1, cos_2pi_9)@ + + smlal r1,r7,r9,r1 + mov r1,r6,lsl #1 + smlal r12,r7,r11,r1 + and r6,r10,r11,asr #14 + smlal r12,r8,r6,r1 + ldr r10,cos_11pi_18 + add r12,r11,r6 + smlal r1,r2,r12,r1 + ldr r9,cos_8pi_9 + str r2,[r0,#8] + mov r1,r5,lsl #1 + +@ vec[8] = fxp_mac32_Q32( vec[8], tmp3<<1, cos_8pi_9)@ + + smull r2,r6,r9,r1 + str r7,[r0,#0x20] + mov r2,r4,lsl #1 + ldr r7,cos_13pi_18 + smlal r12,r6,r10,r2 + + mov r3,r3,lsl #1 + +@ vec[5] = fxp_mac32_Q32( vec[5], tmp8<<1, cos_13pi_18)@ + + smlal r12,r6,r7,r3 + add r4,r5,r4 + mov r12,lr,lsl #1 + sub lr,r4,lr + ldr r7,cos_17pi_18 + str r8,[r0, #0x10] + ldr r4,cos_pi_6 + + mov lr,lr,lsl #1 + +@ vec[1] = fxp_mac32_Q32( vec[1], tmp8<<1, cos_17pi_18)@ + + smlal r8,r6,r7,r12 + +@ vec[3] = fxp_mul32_Q32((tmp5 + tmp6 - tmp8)<<1, cos_pi_6)@ + + smull r5,lr,r4,lr + str r6,[r0, #4] + str lr,[r0, #0xc] + + +@ vec[5] = fxp_mul32_Q32(tmp5<<1, cos_17pi_18)@ + smull r5,lr,r7,r1 + rsb r6,r9,#0 +@ vec[5] = fxp_mac32_Q32( vec[5], tmp6<<1, cos_7pi_18)@ + smlal r5,lr,r6,r2 +@ vec[5] = fxp_mac32_Q32( vec[5], tmp7<<1, cos_pi_6)@ + smlal r5,lr,r4,r3 +@ vec[5] = fxp_mac32_Q32( vec[5], tmp8<<1, cos_13pi_18)@ + smlal r5,lr,r10,r12 + str lr,[r0, #0x14] + rsb lr,r10,#0 + +@ vec[7] = fxp_mul32_Q32(tmp5<<1, cos_5pi_18)@ + smull r5,r1,lr,r1 +@ vec[7] = fxp_mac32_Q32( vec[7], tmp6<<1, cos_17pi_18)@ + smlal r2,r1,r7,r2 +@ vec[7] = fxp_mac32_Q32( vec[7], tmp7<<1, cos_pi_6)@ + smlal r3,r1,r4,r3 +@ vec[7] = fxp_mac32_Q32( vec[7], tmp8<<1, cos_11pi_18)@ + smlal r12,r1,r9,r12 + str r1,[r0, #0x1c] + ldmfd sp!,{r4-r11,pc} +cos_2pi_9: + .word 0x620dbe80 +cos_4pi_9: + .word 0x163a1a80 +cos_pi_9: + .word 0x7847d900 +cos_5pi_9: + .word 0x87b82700 +cos_8pi_9: + .word 0xd438af00 +cos_11pi_18: + .word 0xadb92280 +cos_13pi_18: + .word 0x91261480 +cos_17pi_18: + .word 0x81f1d200 +cos_pi_6: + .word 0x6ed9eb80 + diff --git a/sources/pvmp3dec/src/asm/pvmp3_mdct_18_gcc.s b/sources/pvmp3dec/src/asm/pvmp3_mdct_18_gcc.s new file mode 100644 index 00000000..575acd69 --- /dev/null +++ b/sources/pvmp3dec/src/asm/pvmp3_mdct_18_gcc.s @@ -0,0 +1,357 @@ +@ ------------------------------------------------------------------ +@ Copyright (C) 1998-2009 PacketVideo +@ +@ Licensed under the Apache License, Version 2.0 (the "License"); +@ you may not use this file except in compliance with the License. +@ You may obtain a copy of the License at +@ +@ http://www.apache.org/licenses/LICENSE-2.0 +@ +@ Unless required by applicable law or agreed to in writing, software +@ distributed under the License is distributed on an "AS IS" BASIS, +@ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either +@ express or implied. +@ See the License for the specific language governing permissions +@ and limitations under the License. +@ ------------------------------------------------------------------- + +@ +@ +@ Filename: pvmp3_dct_18_gcc.s +@ +@------------------------------------------------------------------------------ +@ REVISION HISTORY +@ +@ +@ Who: Date: MM/DD/YYYY +@ Description: +@ +@------------------------------------------------------------------------------ + +.arm + +.align 4 + +.text + +.extern pvmp3_dct_9 + +@------------------------------------------------------------------------------ + +.global pvmp3_mdct_18 + +pvmp3_mdct_18: + stmfd sp!,{r4-r11,lr} + mov r7,r2 + adr r2,constdata$1 + mov r6,r1 + add r3,r2,#0x24 + add r12,r3,#0x44 + add r1,r0,#0x44 + mov r5,r0 + +@ for ( i=9@ i!=0@ i--) +@ { + + mov r4,#9 +Loop_1: + +@ tmp = *(pt_vec) +@ tmp1 = *(pt_vec_o) + + ldr lr,[r0] @@ tmp == lr + ldr r8,[r3],#4 @@ tmp1 == r8 + +@ tmp = fxp_mul32_Q32( tmp<<1, *(pt_cos++ )) +@ tmp1 = fxp_mul32_Q27( tmp1, *(pt_cos_x--)) + + mov lr,lr,lsl #1 + smull r10,lr,r8,lr + ldr r8,[r12],#-4 + ldr r9,[r1] + subs r4,r4,#1 + smull r9,r10,r8,r9 + mov r8,r9,lsr #27 + add r8,r8,r10,lsl #5 + +@ *(pt_vec++) = tmp + tmp1 +@ *(pt_vec_o--) = fxp_mul32_Q28( (tmp - tmp1), *(pt_cos_split++)) + + add r9,lr,r8 + sub r8,lr,r8 + ldr lr,[r2],#4 + str r9,[r0],#4 + smull r8,r9,lr,r8 + mov lr,r8,lsr #28 + add lr,lr,r9,lsl #4 + str lr,[r1],#-4 + bne Loop_1 + +@ } + + mov r0,r5 @@ r0 = vec + bl pvmp3_dct_9 + add r0,r5,#0x24 @@ r0 = &vec[9] + bl pvmp3_dct_9 + + ldr r0,[r5,#0x20] + ldr r2,[r5,#0x40] + str r0,[r5,#0x40] + ldr r0,[r5,#0x1c] + ldr r3,[r5,#0x38] + str r0,[r5,#0x38] + ldr r1,[r5,#0x18] + ldr r0,[r5,#0x30] + str r1,[r5,#0x30] + ldr r12,[r5,#0x14] + ldr r1,[r5,#0x28] + str r12,[r5,#0x28] + ldr r12,[r5,#0x10] + str r12,[r5,#0x20] + ldr r12,[r5,#0xc] + str r12,[r5,#0x18] + ldr r12,[r5,#8] + str r12,[r5,#0x10] + ldr r12,[r5,#4] + str r12,[r5,#8] + ldr r12,[r5,#0x24] + sub r12,r12,r1 + str r12,[r5,#4] + ldr r12,[r5,#0x2c] + sub r1,r12,r1 + str r1,[r5,#0xc] + sub r1,r12,r0 + str r1,[r5,#0x14] + ldr r1,[r5,#0x34] + sub r0,r1,r0 + str r0,[r5,#0x1c] + sub r0,r1,r3 + str r0,[r5,#0x24] + ldr r1,[r5,#0x3c] + sub r3,r1,r3 + sub r1,r1,r2 + str r1,[r5,#0x34] + str r3,[r5,#0x2c] + ldr r1,[r5,#0x44] + sub r1,r1,r2 + str r1,[r5,#0x3c] + ldr r12,[r5,#0] + +Loop_2: + add r1,r5,r4,lsl #2 + ldr r2,[r1,#0x28] + ldr r3,[r6,r4,lsl #2] + add r0,r0,r2 + str r0,[r1,#0x28] + ldr lr,[r7,r4,lsl #2] + ldr r1,[r1,#4] + smlal r0,r3,lr,r0 + mov r0,r2 + add r2,r12,r1 + rsb r2,r2,#0 + str r3,[r5,r4,lsl #2] + str r2,[r6,r4,lsl #2] + add r4,r4,#1 + cmp r4,#6 + mov r12,r1 + + blt Loop_2 + + ldr r1,[r5,#0x40] + ldr r2,[r6,#0x18] + add r3,r0,r1 + str r3,[r5,#0x40] + ldr lr,[r7,r4,lsl #2] + mov r3,r3,lsl #1 + ldr r0,[r5,#0x1c] + smlal r3,r2,lr,r3 + add r3,r12,r0 + str r2,[r5,#0x18] + ldr r2,[r6,#0x1c] + rsb r3,r3,#0 + str r3,[r6,#0x18] + ldr r3,[r5,#0x20] + add r0,r3,r0 + rsb r0,r0,#0 + str r0,[r6,#0x1c] + ldr r3,[r5,#0x44] + ldr r0,[r6,#0x20] + add r3,r3,r1 + mov r1,r2 + ldr r10,[r7,#0x1c] + mov r2,r3,lsl #1 + smlal r12,r1,r10,r2 + str r1,[r5,#0x1c] + ldr r1,[r5,#0x20] + ldr r3,[r5,#0x24] + add r1,r1,r3 + rsb r1,r1,#0 + str r1,[r6,#0x20] + ldr r1,[r5,#0x44] + ldr r3,[r7,#0x20] + mov r1,r1,lsl #1 + smlal r12,r0,r3,r1 + ldr lr,[r7,#0x24] + ldr r3,[r6,#0x24] + str r0,[r5,#0x20] + smlal r1,r3,lr,r1 + ldr r0,[r6,#0x40] + ldr r12,[r6,#0x44] + str r3,[r5,#0x24] + ldr r1,[r5,#0x28] + ldr r3,[r7,#0x44] + mov r1,r1,lsl #1 + smlal r1,r12,r3,r1 + ldr r1,[r5,#0x40] + str r12,[r5,#0x44] + rsb r8,r1,#0 + str r8,[r5,#0x28] + ldr r1,[r5,#0x2c] + ldr r3,[r7,#0x40] + mov r1,r1,lsl #1 + smlal r1,r0,r3,r1 + str r0,[r5,#0x40] + ldr r0,[r5,#0x3c] + ldr r1,[r6,#0x38] + ldr r3,[r6,#0x3c] + rsb r9,r0,#0 + str r9,[r5,#0x2c] + ldr r0,[r5,#0x30] + ldr r12,[r7,#0x3c] + mov r0,r0,lsl #1 + smlal r0,r3,r12,r0 + str r3,[r5,#0x3c] + ldr r0,[r5,#0x38] + rsb r0,r0,#0 + str r0,[r5,#0x30] + ldr r3,[r5,#0x34] + ldr r12,[r7,#0x38] + mov r3,r3,lsl #1 + smlal r3,r1,r12,r3 + mov r0,r0,lsl #1 + str r1,[r5,#0x38] + ldr r4,[r7,#0x34] + ldr r1,[r6,#0x34] + ldr r3,[r6,#0x30] + smlal r0,r1,r4,r0 + ldr r12,[r6,#0x2c] + ldr lr,[r6,#0x28] + str r1,[r5,#0x34] + ldr r1,[r7,#0x30] + mov r0,r9,lsl #1 + smlal r0,r3,r1,r0 + mov r0,r8,lsl #1 + ldr r1,[r7,#0x2c] + str r3,[r5,#0x30] + smlal r0,r12,r1,r0 + ldr r0,[r7,#0x28] + str r12,[r5,#0x2c] + smlal r2,lr,r0,r2 + str lr,[r5,#0x28] + ldr r1,[r6,#4] + ldr r12,[r7,#0x48] + mov r2,r1,lsl #1 + ldr r1,[r6,#0x20] + ldr r0,[r6,#0] + mov r1,r1,lsl #1 + smull r4,lr,r12,r1 + ldr r3,[r6,#0x1c] + str lr,[r6,#0] + ldr r12,[r7,#0x4c] + mov r3,r3,lsl #1 + smull r4,lr,r12,r3 + mov r0,r0,lsl #1 + ldr r12,[r7,#0x64] + str lr,[r6,#4] + smull r4,lr,r12,r2 + ldr r12,[r7,#0x68] + str lr,[r6,#0x1c] + smull r4,lr,r12,r0 + ldr r12,[r7,#0x6c] + str lr,[r6,#0x20] + smull lr,r0,r12,r0 + ldr r12,[r7,#0x70] + str r0,[r6,#0x24] + smull r0,r2,r12,r2 + ldr r0,[r7,#0x88] + str r2,[r6,#0x28] + smull r3,r2,r0,r3 + ldr r0,[r7,#0x8c] + str r2,[r6,#0x40] + smull r2,r1,r0,r1 + str r1,[r6,#0x44] + ldr r0,[r6,#0x18] + ldr lr,[r7,#0x50] + mov r1,r0,lsl #1 + ldr r0,[r6,#0x14] + smull r5,r4,lr,r1 + mov r3,r0,lsl #1 + ldr r0,[r6,#0x10] + mov r12,r0,lsl #1 + ldr r0,[r6,#0xc] + mov r2,r0,lsl #1 + ldr r0,[r6,#8] + str r4,[r6,#8] + ldr lr,[r7,#0x54] + mov r0,r0,lsl #1 + smull r5,r4,lr,r3 + ldr lr,[r7,#0x58] + str r4,[r6,#0xc] + smull r5,r4,lr,r12 + ldr lr,[r7,#0x5c] + str r4,[r6,#0x10] + smull r5,r4,lr,r2 + ldr lr,[r7,#0x60] + str r4,[r6,#0x14] + smull r5,r4,lr,r0 + ldr lr,[r7,#0x74] + str r4,[r6,#0x18] + smull r4,r0,lr,r0 + ldr lr,[r7,#0x78] + str r0,[r6,#0x2c] + smull r0,r2,lr,r2 + ldr r0,[r7,#0x7c] + str r2,[r6,#0x30] + smull r12,r2,r0,r12 + ldr r0,[r7,#0x80] + str r2,[r6,#0x34] + smull r3,r2,r0,r3 + ldr r0,[r7,#0x84] + str r2,[r6,#0x38] + smull r2,r1,r0,r1 + str r1,[r6,#0x3c] + ldmfd sp!,{r4-r11,pc} + +@------------------------------------------------------------------------------ + +constdata$1: +cosTerms_dct18: + .word 0x0807d2b0 + .word 0x08483ee0 + .word 0x08d3b7d0 + .word 0x09c42570 + .word 0x0b504f30 + .word 0x0df29440 + .word 0x12edfb20 + .word 0x1ee8dd40 + .word 0x5bca2a00 +cosTerms_1_ov_cos_phi: + .word 0x400f9c00 + .word 0x408d6080 + .word 0x418dcb80 + .word 0x431b1a00 + .word 0x4545ea00 + .word 0x48270680 + .word 0x4be25480 + .word 0x50ab9480 + .word 0x56ce4d80 + .word 0x05ebb630 + .word 0x06921a98 + .word 0x0771d3a8 + .word 0x08a9a830 + .word 0x0a73d750 + .word 0x0d4d5260 + .word 0x127b1ca0 + .word 0x1ea52b40 + .word 0x5bb3cc80 + diff --git a/sources/pvmp3dec/src/asm/pvmp3_polyphase_filter_window_gcc.s b/sources/pvmp3dec/src/asm/pvmp3_polyphase_filter_window_gcc.s new file mode 100644 index 00000000..1140ed75 --- /dev/null +++ b/sources/pvmp3dec/src/asm/pvmp3_polyphase_filter_window_gcc.s @@ -0,0 +1,233 @@ +@ ------------------------------------------------------------------ +@ Copyright (C) 1998-2009 PacketVideo +@ +@ Licensed under the Apache License, Version 2.0 (the "License"); +@ you may not use this file except in compliance with the License. +@ You may obtain a copy of the License at +@ +@ http://www.apache.org/licenses/LICENSE-2.0 +@ +@ Unless required by applicable law or agreed to in writing, software +@ distributed under the License is distributed on an "AS IS" BASIS, +@ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either +@ express or implied. +@ See the License for the specific language governing permissions +@ and limitations under the License. +@ ------------------------------------------------------------------- + +@ +@ +@ Filename: pvmp3_polyphase_filter_window.s +@ +@------------------------------------------------------------------------------ +@ REVISION HISTORY +@ +@ +@ Who: Date: MM/DD/YYYY +@ Description: +@ +@------------------------------------------------------------------------------ + +.arm + +.align 4 + +.text + +.extern pqmfSynthWin +.hidden pqmfSynthWin + + + +@------------------------------------------------------------------------------ + +.global pvmp3_polyphase_filter_window + +pvmp3_polyphase_filter_window: + stmfd sp!,{r0-r2,r4-r11,lr} + + sub sp,sp,#4 + adr r2,PolyPh_filter_coeff + ldr r1,[r2] + add r1,r2 + ldr r2,[sp,#0xc] + + sub r2,r2,#1 + mov r10,#1 + str r2,[sp] + +@ Accumulators r9, r11::> Initialization + +Loop_j: + mov r9, #0x20 + mov r11, #0x20 + mov r4, #0x10 +Loop_i: + add r2,r4,r10 + add r3,r0,r2,lsl #2 + sub r2,r4,r10 + ldr r5,[r3] + ldr lr,[r1] + add r12,r0,r2,lsl #2 + ldr r6,[r12,#0x780] + smlal r2,r9,lr,r5 + smlal r2,r11,lr,r6 + ldr r2,[r1,#4] + ldr r7,[r12,#0x80] + smlal r5,r11,r2,r5 + smull r6,r5,r2,r6 + sub r9,r9,r5 + ldr r5,[r1,#8] + ldr r8,[r3,#0x700] + add r4,r4,#0x200 + smlal r6,r9,r5,r7 + smull r6,r2,r5,r8 + ldr r5,[r1,#0xc] + sub r11,r11,r2 + smlal r8,r9,r5,r8 + smlal r7,r11,r5,r7 + ldr r5,[r3,#0x100] + ldr r2,[r1,#0x10] + ldr r6,[r12,#0x680] + smlal lr,r9,r2,r5 + smlal lr,r11,r2,r6 + ldr r2,[r1,#0x14] + ldr r7,[r12,#0x180] + smlal r5,r11,r2,r5 + smull r6,r5,r2,r6 + ldr r6,[r1,#0x18] + ldr r8,[r3,#0x600] + sub r9,r9,r5 + smlal r5,r9,r6,r7 + smull r2,r5,r6,r8 + ldr r6,[r1,#0x1c] + sub r11,r11,r5 + smlal r8,r9,r6,r8 + ldr r2,[r1,#0x20] + ldr r5,[r3,#0x200] + smlal r7,r11,r6,r7 + ldr r6,[r12,#0x580] + smlal lr,r9,r2,r5 + smlal lr,r11,r2,r6 + ldr r2,[r1,#0x24] + ldr r7,[r12,#0x280] + smlal r5,r11,r2,r5 + smull r6,r5,r2,r6 + ldr r6,[r1,#0x28] + ldr r8,[r3,#0x500] + sub r9,r9,r5 + smlal r5,r9,r6,r7 + smull r2,r5,r6,r8 + ldr r6,[r1,#0x2c] + sub r11,r11,r5 + + smlal r8,r9,r6,r8 + smlal r7,r11,r6,r7 + ldr r5,[r3,#0x300] + ldr r8,[r1,#0x30] + ldr r6,[r12,#0x480] + smlal r7,r9,r8,r5 + smlal r7,r11,r8,r6 + ldr r8,[r1,#0x34] + ldr r12,[r12,#0x380] + smlal r5,r11,r8,r5 + smull r6,r5,r8,r6 + ldr r6,[r1,#0x38] + + + ldr r3,[r3,#0x400] + sub r9,r9,r5 + smlal r7,r9,r6,r12 + smull r8,r7,r6,r3 + cmp r4,#0x210 + sub r11,r11,r7 + + ldr r2,[r1,#0x3c] + add r1,r1,#0x40 + smlal r3,r9,r2,r3 + smlal r12,r11,r2,r12 + + blt Loop_i + + mov r3,r9, asr #6 + mov r4,r3, asr #15 + teq r4,r3, asr #31 + ldr r12,LOW_16BITS + ldr r2,[sp] + eorne r3,r12,r3,asr #31 + ldr r4,[sp,#8] + mov r2,r10,lsl r2 + add r4,r4,r2,lsl #1 + strh r3,[r4] + + mov r3,r11,asr #6 + mov r4,r3,asr #15 + teq r4,r3,asr #31 + eorne r3,r12,r3,asr #31 + ldr r12,[sp,#0xc] + ldr r11,[sp,#8] + rsb r2,r2,r12,lsl #5 + add r2,r11,r2,lsl #1 + strh r3,[r2] + + add r10,r10,#1 + cmp r10,#0x10 + blt Loop_j + +@ Accumulators r4, r5 Initialization + + mov r4,#0x20 + mov r5,#0x20 + mov r3,#0x10 +PolyPh_filter_loop2: + add r2,r0,r3,lsl #2 + ldr r12,[r2] + ldr r8,[r1] + ldr r6,[r2,#0x80] + smlal r12,r4,r8,r12 + ldr r12,[r1,#4] + ldr r7,[r2,#0x40] + smlal r6,r4,r12,r6 + + ldr r12,[r1,#8] + ldr r6,[r2,#0x180] + smlal r7,r5,r12,r7 + ldr r12,[r2,#0x100] + ldr r7,[r1,#0xc] + ldr r2,[r2,#0x140] + smlal r12,r4,r7,r12 + ldr r12,[r1,#0x10] + add r3,r3,#0x80 + smlal r6,r4,r12,r6 + ldr r6,[r1,#0x14] + cmp r3,#0x210 + smlal r2,r5,r6,r2 + add r1,r1,#0x18 + + blt PolyPh_filter_loop2 + mov r0,r4,asr #6 + mov r2,r0,asr #15 + teq r2,r0,asr #31 + ldrne r12,LOW_16BITS + ldr r1,[sp,#8] + eorne r0,r12,r0,asr #31 + strh r0,[r1,#0] + mov r0,r5,asr #6 + mov r2,r0,asr #15 + teq r2,r0,asr #31 + ldrne r12,LOW_16BITS + ldr r2,[sp] + mov r1,#0x10 + eorne r0,r12,r0,asr #31 + ldr r12,[sp,#8] + mov r1,r1,lsl r2 + add r1,r12,r1,lsl #1 + strh r0,[r1] + add sp,sp,#0x10 + ldmfd sp!,{r4-r11,pc} + +PolyPh_filter_coeff: + .word pqmfSynthWin-PolyPh_filter_coeff +LOW_16BITS: + .word 0x00007fff + diff --git a/sources/pvmp3dec/src/mp3_mem_funcs.h b/sources/pvmp3dec/src/mp3_mem_funcs.h new file mode 100644 index 00000000..46e80223 --- /dev/null +++ b/sources/pvmp3dec/src/mp3_mem_funcs.h @@ -0,0 +1,81 @@ +/* ------------------------------------------------------------------ + * Copyright (C) 1998-2009 PacketVideo + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either + * express or implied. + * See the License for the specific language governing permissions + * and limitations under the License. + * ------------------------------------------------------------------- + */ +/* +------------------------------------------------------------------------------ + PacketVideo Corp. + MP3 Decoder Library + + Filename: mp3_mem_funcs.h + + Date: 09/21/2007 + +------------------------------------------------------------------------------ + REVISION HISTORY + + + Description: +------------------------------------------------------------------------------ + + +---------------------------------------------------------------------------- +; CONTINUE ONLY IF NOT ALREADY DEFINED +----------------------------------------------------------------------------*/ + +#ifndef MP3_MEM_FUNCS_H +#define MP3_MEM_FUNCS_H + +/*---------------------------------------------------------------------------- +; INCLUDES +----------------------------------------------------------------------------*/ + +#include + +#include "pvmp3_audio_type_defs.h" + +/*---------------------------------------------------------------------------- +; MACROS +; Define module specific macros here +----------------------------------------------------------------------------*/ + +/*---------------------------------------------------------------------------- +; EXTERNAL VARIABLES REFERENCES +----------------------------------------------------------------------------*/ + +/*---------------------------------------------------------------------------- +; DEFINES AND SIMPLE TYPEDEF'S +----------------------------------------------------------------------------*/ + + +#define pv_memset(to, c, n) memset(to, c, n) + + +#define pv_memcpy(to, from, n) memcpy(to, from, n) +#define pv_memmove(to, from, n) memmove(to, from, n) +#define pv_memcmp(p, q, n) memcmp(p, q, n) + +/*---------------------------------------------------------------------------- +; GLOBAL FUNCTION DEFINITIONS +; Function Prototype declaration +----------------------------------------------------------------------------*/ + +/*---------------------------------------------------------------------------- +; END +----------------------------------------------------------------------------*/ + + +#endif diff --git a/sources/pvmp3dec/src/pv_mp3_huffman.h b/sources/pvmp3dec/src/pv_mp3_huffman.h new file mode 100644 index 00000000..31102ea0 --- /dev/null +++ b/sources/pvmp3dec/src/pv_mp3_huffman.h @@ -0,0 +1,115 @@ +/* ------------------------------------------------------------------ + * Copyright (C) 1998-2009 PacketVideo + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either + * express or implied. + * See the License for the specific language governing permissions + * and limitations under the License. + * ------------------------------------------------------------------- + */ +/* +------------------------------------------------------------------------------ + + PacketVideo Corp. + MP3 Decoder Library + + Filename: pv_mp3_huffman.h + + Date: 09/21/2007 + +------------------------------------------------------------------------------ + REVISION HISTORY + + Description: +------------------------------------------------------------------------------ + INCLUDE DESCRIPTION + + +------------------------------------------------------------------------------ + REFERENCES + + [1] ISO MPEG Audio Subgroup Software Simulation Group (1996) + ISO 13818-3 MPEG-2 Audio Decoder - Lower Sampling Frequency Extension + +------------------------------------------------------------------------------ +*/ +/*---------------------------------------------------------------------------- +; CONTINUE ONLY IF NOT ALREADY DEFINED +----------------------------------------------------------------------------*/ + +#ifndef PV_MP3_HUFFMAN_H +#define PV_MP3_HUFFMAN_H + + +/*---------------------------------------------------------------------------- +; INCLUDES +----------------------------------------------------------------------------*/ + +#include "pvmp3_audio_type_defs.h" +#include "s_mp3bits.h" +#include "s_tmp3dec_file.h" + +/*---------------------------------------------------------------------------- +; MACROS +; Define module specific macros here +----------------------------------------------------------------------------*/ + +/*---------------------------------------------------------------------------- +; EXTERNAL VARIABLES REFERENCES +----------------------------------------------------------------------------*/ + +/*---------------------------------------------------------------------------- +; DEFINES AND SIMPLE TYPEDEF'S +----------------------------------------------------------------------------*/ + + +/*---------------------------------------------------------------------------- +; GLOBAL FUNCTION DEFINITIONS +; Function Prototype declaration +----------------------------------------------------------------------------*/ + +#ifdef __cplusplus +extern "C" +{ +#endif + + int32 pvmp3_huffman_parsing(int32 is[SUBBANDS_NUMBER*FILTERBANK_BANDS], + granuleInfo *grInfo, + tmp3dec_file *pVars, + int32 part2_start, + mp3Header *info); + + + void pvmp3_huffman_quad_decoding(struct huffcodetab *h, + int32 *is, + tmp3Bits *pMainData); + + void pvmp3_huffman_pair_decoding(struct huffcodetab *h, + int32 *is, + tmp3Bits *pMainData); + + + void pvmp3_huffman_pair_decoding_linbits(struct huffcodetab *h, + int32 *is, + tmp3Bits *pMainData); + +#ifdef __cplusplus +} +#endif + +/*---------------------------------------------------------------------------- +; END +----------------------------------------------------------------------------*/ + +#endif + + + diff --git a/sources/pvmp3dec/src/pv_mp3dec_fxd_op.h b/sources/pvmp3dec/src/pv_mp3dec_fxd_op.h new file mode 100644 index 00000000..f14e2de7 --- /dev/null +++ b/sources/pvmp3dec/src/pv_mp3dec_fxd_op.h @@ -0,0 +1,84 @@ +/* ------------------------------------------------------------------ + * Copyright (C) 1998-2009 PacketVideo + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either + * express or implied. + * See the License for the specific language governing permissions + * and limitations under the License. + * ------------------------------------------------------------------- + */ +/* +------------------------------------------------------------------------------ + PacketVideo Corp. + MP3 Decoder Library + + Filename: pv_mp3dec_fxd_op.h + + Date: 09/21/2007 + + +------------------------------------------------------------------------------ + REVISION HISTORY + + + Description: +------------------------------------------------------------------------------ + INCLUDE DESCRIPTION + + This file select the associated fixed point functions with the OS/ARCH. + + + +------------------------------------------------------------------------------ +*/ + +#ifndef PV_MP3DEC_FXD_OP_H +#define PV_MP3DEC_FXD_OP_H + +#include "pvmp3_audio_type_defs.h" + + +#ifdef __cplusplus +extern "C" +{ +#endif + + +#if (defined(PV_ARM_V5)||defined(PV_ARM_V4)) + +#include "pv_mp3dec_fxd_op_arm.h" + +#elif (defined(PV_ARM_GCC_V5)||defined(PV_ARM_GCC_V4)) + +#include "pv_mp3dec_fxd_op_arm_gcc.h" + +#elif (defined(PV_ARM_MSC_EVC_V5)||defined(PV_ARM_MSC_EVC_V4)) + +#include "pv_mp3dec_fxd_op_msc_evc.h" + +#else + +#ifndef C_EQUIVALENT +#define C_EQUIVALENT +#endif + +#include "pv_mp3dec_fxd_op_c_equivalent.h" + +#endif + + +#ifdef __cplusplus +} +#endif + + + +#endif /* PV_MP3DEC_FXD_OP_H */ diff --git a/sources/pvmp3dec/src/pv_mp3dec_fxd_op_arm.h b/sources/pvmp3dec/src/pv_mp3dec_fxd_op_arm.h new file mode 100644 index 00000000..76a8229a --- /dev/null +++ b/sources/pvmp3dec/src/pv_mp3dec_fxd_op_arm.h @@ -0,0 +1,203 @@ +/* ------------------------------------------------------------------ + * Copyright (C) 1998-2009 PacketVideo + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either + * express or implied. + * See the License for the specific language governing permissions + * and limitations under the License. + * ------------------------------------------------------------------- + */ +/* +------------------------------------------------------------------------------ + PacketVideo Corp. + MP3 Decoder Library + + Pathname: ./cpp/include/pv_mp3dec_fxd_op_arm.h + + Date: 08/20/2007 + +------------------------------------------------------------------------------ + REVISION HISTORY + + Description: +------------------------------------------------------------------------------ + INCLUDE DESCRIPTION + + This file select the associated fixed point functions with the OS/ARCH. + + +------------------------------------------------------------------------------ +*/ + +#ifndef PV_MP3DEC_FXD_OP_ARM +#define PV_MP3DEC_FXD_OP_ARM + + +#ifdef __cplusplus +extern "C" +{ +#endif + +#include "pvmp3_audio_type_defs.h" + + +#if (defined(PV_ARM_V5)||defined(PV_ARM_V4)) + + + __inline Int32 fxp_mul32_Q30(const Int32 L_var1, const Int32 L_var2) + { + + Int32 result64_hi; + Int32 result64_lo; + __asm + { + smull result64_lo, result64_hi, L_var2, L_var1 + mov result64_lo, result64_lo, lsr #30 + add result64_hi, result64_lo, result64_hi, asl #2 + } + return (result64_hi); + } + + __inline Int32 fxp_mac32_Q30(const Int32 L_var1, const Int32 L_var2, Int32 L_add) + { + Int32 result64_hi; + Int32 result64_lo; + __asm + { + smull result64_lo, result64_hi, L_var2, L_var1 + add L_add, L_add, result64_hi, asl #2 + add L_add, L_add, result64_lo, lsr #30 + } + return (L_add); + } + + + +#define Qfmt_31(a) (Int32)(a*0x7FFFFFFF + (a>=0?0.5F:-0.5F)) + + + + __inline Int32 fxp_mul32_Q32(Int32 L_var1, const Int32 L_var2) + { + Int32 result64_hi; + __asm + { + smull L_var1, result64_hi, L_var2, L_var1 + } + return (result64_hi); + } + + __inline Int32 fxp_mul32_Q28(const Int32 L_var1, const Int32 L_var2) + { + + Int32 result64_hi; + Int32 result64_lo; + __asm + { + smull result64_lo, result64_hi, L_var2, L_var1 + mov result64_lo, result64_lo, lsr #28 + add result64_hi, result64_lo, result64_hi, asl #4 + } + return (result64_hi); + } + + + __inline Int32 fxp_mul32_Q27(const Int32 L_var1, const Int32 L_var2) + { + + Int32 result64_hi; + Int32 result64_lo; + __asm + { + smull result64_lo, result64_hi, L_var2, L_var1 + mov result64_lo, result64_lo, lsr #27 + add result64_hi, result64_lo, result64_hi, asl #5 + } + return (result64_hi); + } + + + __inline Int32 fxp_mul32_Q26(Int32 L_var1, Int32 L_var2) + { + + Int32 result64_hi; + Int32 result64_lo; + __asm + { + smull result64_lo, result64_hi, L_var2, L_var1 + mov result64_lo, result64_lo, lsr #26 + add result64_hi, result64_lo, result64_hi, asl #6 + } + return (result64_hi); + } + + + + __inline Int32 fxp_mac32_Q32(Int32 L_add, Int32 L_var1, const Int32 L_var2) + { + __asm + { + smlal L_var1, L_add, L_var2, L_var1 + } + return L_add; + } + + + __inline Int32 fxp_msb32_Q32(Int32 L_sub, Int32 L_var1, Int32 L_var2) + { + + __asm + { + smull L_var2, L_var1, L_var2, L_var1 + sub L_sub, L_sub, L_var1 + } + return L_sub; + } + + + __inline Int32 fxp_mul32_Q29(const Int32 L_var1, const Int32 L_var2) + { + Int32 result64_hi; + Int32 result64_lo; + __asm + { + smull result64_lo, result64_hi, L_var2, L_var1 + mov result64_lo, result64_lo, lsr #29 + add result64_hi, result64_lo, result64_hi, asl #3 + } + return (result64_hi); + } + + + __inline int32 pv_abs(int32 a) + { + Int32 b; + /* + b = a - (a<0); + a = b ^ sign(b) + */ + __asm + { + sub b, a, a, lsr #31 + eor a, b, b, asr #31 + } + return (a); + } + +#endif + +#ifdef __cplusplus +} +#endif + + +#endif /* PV_MP3DEC_FXD_OP_ARM */ + diff --git a/sources/pvmp3dec/src/pv_mp3dec_fxd_op_arm_gcc.h b/sources/pvmp3dec/src/pv_mp3dec_fxd_op_arm_gcc.h new file mode 100644 index 00000000..71fbd208 --- /dev/null +++ b/sources/pvmp3dec/src/pv_mp3dec_fxd_op_arm_gcc.h @@ -0,0 +1,252 @@ +/* ------------------------------------------------------------------ + * Copyright (C) 1998-2009 PacketVideo + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either + * express or implied. + * See the License for the specific language governing permissions + * and limitations under the License. + * ------------------------------------------------------------------- + */ +/* +------------------------------------------------------------------------------ + PacketVideo Corp. + MP3 Decoder Library + + Pathname: ./cpp/include/pv_mp3dec_fxd_op_arm_gcc.h + + Date: 08/20/2007 + +------------------------------------------------------------------------------ + REVISION HISTORY + + Description: +------------------------------------------------------------------------------ + INCLUDE DESCRIPTION + + This file select the associated fixed point functions with the OS/ARCH. + + +------------------------------------------------------------------------------ +*/ + +#ifndef PV_MP3DEC_FXD_OP_ARM_GCC_H +#define PV_MP3DEC_FXD_OP_ARM_GCC_H + + +#ifdef __cplusplus +extern "C" +{ +#endif + +#include "pvmp3_audio_type_defs.h" + + +#if (defined(PV_ARM_GCC_V5)||defined(PV_ARM_GCC_V4)) + +#define Qfmt_31(a) (int32)(a*0x7FFFFFFF + (a>=0?0.5F:-0.5F)) + +#define Qfmt15(x) (Int16)(x*((int32)1<<15) + (x>=0?0.5F:-0.5F)) + + static inline int32 fxp_mul32_Q30(const int32 a, const int32 b) + { + int32 result64_hi; + int32 result64_lo; + register int32 ra = (int32)a; + register int32 rb = (int32)b; + asm volatile("smull %1, %0, %2, %3\n\t" + "mov %1, %1, lsr #30\n\t" + "add %0, %1, %0, asl #2" + : "=&r*i"(result64_hi), + "=&r*i"(result64_lo) + : "r"(ra), + "r"(rb)); + return (result64_hi); + } + + + static inline int32 fxp_mac32_Q30(const int32 a, const int32 b, int32 L_add) +{ + int32 result64_hi; + int32 result64_lo; + register int32 ra = (int32)a; + register int32 rb = (int32)b; + register int32 rc = (int32)L_add; + + asm volatile("smull %1, %0, %2, %3\n\t" + "add %4, %4, %0, asl #2\n\t" + "add %0, %4, %1, lsr #30" + : "=&r*i"(result64_hi), + "=&r*i"(result64_lo) + : "r"(ra), + "r"(rb), + "r"(rc)); + + return (result64_hi); + } + + + + static inline int32 fxp_mul32_Q32(const int32 a, const int32 b) +{ + int32 result64_hi; + int32 result64_lo; + register int32 ra = (int32)a; + register int32 rb = (int32)b; + asm volatile( + "smull %1, %0, %2, %3" + : "=&r*i"(result64_hi), + "=&r*i"(result64_lo) + : "r"(ra), + "r"(rb)); + + return (result64_hi); + } + + + static inline int32 fxp_mul32_Q29(const int32 a, const int32 b) +{ + int32 result64_hi; + int32 result64_lo; + register int32 ra = (int32)a; + register int32 rb = (int32)b; + asm volatile("smull %1, %0, %2, %3\n\t" + "mov %1, %1, lsr #29\n\t" + "add %0, %1, %0, asl #3" + : "=&r*i"(result64_hi), + "=&r*i"(result64_lo) + : "r"(ra), + "r"(rb)); + return (result64_hi); + + } + + static inline int32 fxp_mul32_Q28(const int32 a, const int32 b) +{ + + int32 result64_hi; + int32 result64_lo; + register int32 ra = (int32)a; + register int32 rb = (int32)b; + asm volatile("smull %1, %0, %2, %3\n\t" + "mov %1, %1, lsr #28\n\t" + "add %0, %1, %0, asl #4" + : "=&r*i"(result64_hi), + "=&r*i"(result64_lo) + : "r"(ra), + "r"(rb)); + return (result64_hi); + + } + + + static inline int32 fxp_mul32_Q27(const int32 a, const int32 b) +{ + int32 result64_hi; + int32 result64_lo; + register int32 ra = (int32)a; + register int32 rb = (int32)b; + asm volatile("smull %1, %0, %2, %3\n\t" + "mov %1, %1, lsr #27\n\t" + "add %0, %1, %0, asl #5" + : "=&r*i"(result64_hi), + "=&r*i"(result64_lo) + : "r"(ra), + "r"(rb)); + return (result64_hi); + + } + + + static inline int32 fxp_mul32_Q26(const int32 a, const int32 b) +{ + int32 result64_hi; + int32 result64_lo; + register int32 ra = (int32)a; + register int32 rb = (int32)b; + asm volatile("smull %1, %0, %2, %3\n\t" + "mov %1, %1, lsr #26\n\t" + "add %0, %1, %0, asl #6" + : "=&r*i"(result64_hi), + "=&r*i"(result64_lo) + : "r"(ra), + "r"(rb)); + return (result64_hi); + + } + + + + static inline int32 fxp_mac32_Q32(int32 L_add, const int32 a, const int32 b) +{ + + int32 result64_hi; + int32 result64_lo; + register int32 ra = (int32)a; + register int32 rb = (int32)b; + register int32 rc = (int32)L_add; + + asm volatile("smull %1, %0, %2, %3\n\t" + "add %0, %0, %4" + : "=&r*i"(result64_hi), + "=&r*i"(result64_lo) + : "r"(ra), + "r"(rb), + "r"(rc)); + + return (result64_hi); + } + + static inline int32 fxp_msb32_Q32(int32 L_sub, const int32 a, const int32 b) +{ + int32 result64_hi; + int32 result64_lo; + register int32 ra = (int32)a; + register int32 rb = (int32)b; + register int32 rc = (int32)L_sub; + + asm volatile("smull %1, %0, %2, %3\n\t" + "sub %0, %4, %0" + : "=&r*i"(result64_hi), + "=&r*i"(result64_lo) + : "r"(ra), + "r"(rb), + "r"(rc)); + + + return (result64_hi); + } + + + __inline int32 pv_abs(int32 x) +{ + register int32 z; + register int32 y; + register int32 ra = x; + asm volatile( + "sub %0, %2, %2, lsr #31\n\t" + "eor %1, %0, %0, asr #31" + : "=&r*i"(z), + "=&r*i"(y) + : "r"(ra)); + + return (y); + } + + +#endif + +#ifdef __cplusplus +} +#endif + + +#endif /* PV_MP3DEC_FXD_OP_ARM_GCC_H */ + diff --git a/sources/pvmp3dec/src/pv_mp3dec_fxd_op_c_equivalent.h b/sources/pvmp3dec/src/pv_mp3dec_fxd_op_c_equivalent.h new file mode 100644 index 00000000..ba438206 --- /dev/null +++ b/sources/pvmp3dec/src/pv_mp3dec_fxd_op_c_equivalent.h @@ -0,0 +1,123 @@ +/* ------------------------------------------------------------------ + * Copyright (C) 1998-2009 PacketVideo + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either + * express or implied. + * See the License for the specific language governing permissions + * and limitations under the License. + * ------------------------------------------------------------------- + */ +/* +------------------------------------------------------------------------------ + PacketVideo Corp. + MP3 Decoder Library + + Pathname: ./cpp/include/pv_mp3dec_fxd_op_c_equivalent.h + + Date: 12/06/2005 + +------------------------------------------------------------------------------ + REVISION HISTORY + + Description: +------------------------------------------------------------------------------ + INCLUDE DESCRIPTION + +------------------------------------------------------------------------------ +*/ + +#ifndef PV_MP3DEC_FXD_OP_C_EQUIVALENT +#define PV_MP3DEC_FXD_OP_C_EQUIVALENT + + +#ifdef __cplusplus +extern "C" +{ +#endif + +#include "pvmp3_audio_type_defs.h" +#define Qfmt_31(a) (Int32)((float)a*0x7FFFFFFF) + +#define Qfmt15(x) (Int16)(x*((Int32)1<<15) + (x>=0?0.5F:-0.5F)) + + + + __inline int32 pv_abs(int32 a) + { + int32 b = (a < 0) ? -a : a; + return b; + } + + + + + __inline Int32 fxp_mul32_Q30(const Int32 a, const Int32 b) + { + return (Int32)(((int64)(a) * b) >> 30); + } + + __inline Int32 fxp_mac32_Q30(const Int32 a, const Int32 b, Int32 L_add) + { + return (L_add + (Int32)(((int64)(a) * b) >> 30)); + } + + __inline Int32 fxp_mul32_Q32(const Int32 a, const Int32 b) + { + return (Int32)(((int64)(a) * b) >> 32); + } + + + __inline Int32 fxp_mul32_Q28(const Int32 a, const Int32 b) + { + return (Int32)(((int64)(a) * b) >> 28); + } + + __inline Int32 fxp_mul32_Q27(const Int32 a, const Int32 b) + { + return (Int32)(((int64)(a) * b) >> 27); + } + + __inline Int32 fxp_mul32_Q26(const Int32 a, const Int32 b) + { + return (Int32)(((int64)(a) * b) >> 26); + } + + + __inline Int32 fxp_mac32_Q32(Int32 L_add, const Int32 a, const Int32 b) + { + return (L_add + (Int32)(((int64)(a) * b) >> 32)); + } + + __inline Int32 fxp_msb32_Q32(Int32 L_sub, const Int32 a, const Int32 b) + { + return (L_sub - ((Int32)(((int64)(a) * b) >> 32))); + } + + + __inline Int32 fxp_mul32_Q29(const Int32 a, const Int32 b) + { + return (Int32)(((int64)(a) * b) >> 29); + } + + + + + + +#ifdef __cplusplus +} +#endif + + +#endif /* PV_MP3DEC_FXD_OP_C_EQUIVALENT */ + + + diff --git a/sources/pvmp3dec/src/pv_mp3dec_fxd_op_msc_evc.h b/sources/pvmp3dec/src/pv_mp3dec_fxd_op_msc_evc.h new file mode 100644 index 00000000..271e6b74 --- /dev/null +++ b/sources/pvmp3dec/src/pv_mp3dec_fxd_op_msc_evc.h @@ -0,0 +1,132 @@ +/* ------------------------------------------------------------------ + * Copyright (C) 1998-2009 PacketVideo + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either + * express or implied. + * See the License for the specific language governing permissions + * and limitations under the License. + * ------------------------------------------------------------------- + */ +/* +------------------------------------------------------------------------------ + PacketVideo Corp. + MP3 Decoder Library + + Pathname: ./cpp/include/pv_mp3dec_fxd_op_msc_evc.h + + Date: 08/20/2007 + +------------------------------------------------------------------------------ + REVISION HISTORY + + Description: +------------------------------------------------------------------------------ + INCLUDE DESCRIPTION + + This file select the associated fixed point functions with the OS/ARCH. + + +------------------------------------------------------------------------------ +*/ + +#ifndef PV_MP3DEC_FXD_OP_MSC_EVC_H +#define PV_MP3DEC_FXD_OP_MSC_EVC_H + + +#ifdef __cplusplus +extern "C" +{ +#endif + +#include "pvmp3_audio_type_defs.h" + + +#if (defined(PV_ARM_MSC_EVC_V5)||defined(PV_ARM_MSC_EVC_V4)) +#include "armintr.h" +#include "cmnintrin.h" + + + __inline int32 fxp_mul32_Q30(const int32 a, const int32 b) + { + return (int32)(((int64)(a) * b) >> 30); + } + + + __inline int32 fxp_mac32_Q30(const int32 a, const int32 b, int32 L_add) + { + return (L_add + (int32)(((int64)(a) * b) >> 30)); + } + + +#define Qfmt_31(a) (int32)(a*0x7FFFFFFF + (a>=0?0.5F:-0.5F)) + +#define Qfmt15(x) (Int16)(x*((int32)1<<15) + (x>=0?0.5F:-0.5F)) + +#define fxp_mul32_Q32( a, b) _MulHigh( b, a) + + + + __inline int32 fxp_mul32_Q28(const int32 a, const int32 b) + { + return (int32)(((int64)(a) * b) >> 28); + } + + + __inline int32 fxp_mul32_Q27(const int32 a, const int32 b) + { + return (int32)(((int64)(a) * b) >> 27); + } + + + + __inline int32 fxp_mul32_Q26(const int32 a, const int32 b) + { + return (int32)(((int64)(a) * b) >> 26); + } + + + __inline int32 fxp_mac32_Q32(int32 L_add, const int32 a, const int32 b) + { + return (L_add + _MulHigh(b, a)); + } + + + __inline int32 fxp_msb32_Q32(int32 L_sub, const int32 a, const int32 b) + { + return (L_sub - _MulHigh(b, a)); + } + + + + __inline int32 fxp_mul32_Q29(const int32 a, const int32 b) + { + return (int32)(((int64)(a) * b) >> 29); + } + + + + __inline int32 pv_abs(int32 a) + { + int32 b = (a < 0) ? -a : a; + return b; + } + + + +#endif + +#ifdef __cplusplus +} +#endif + + +#endif /* PV_MP3DEC_FXD_OP_MSC_EVC_H */ + diff --git a/sources/pvmp3dec/src/pvmp3_alias_reduction.cpp b/sources/pvmp3dec/src/pvmp3_alias_reduction.cpp new file mode 100644 index 00000000..32c76c66 --- /dev/null +++ b/sources/pvmp3dec/src/pvmp3_alias_reduction.cpp @@ -0,0 +1,261 @@ +/* ------------------------------------------------------------------ + * Copyright (C) 1998-2009 PacketVideo + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either + * express or implied. + * See the License for the specific language governing permissions + * and limitations under the License. + * ------------------------------------------------------------------- + */ +/* +------------------------------------------------------------------------------ + + PacketVideo Corp. + MP3 Decoder Library + + Filename: pvmp3_alias_reduction.cpp + + Date: 09/21/2007 + +------------------------------------------------------------------------------ + REVISION HISTORY + + + Description: + +------------------------------------------------------------------------------ + INPUT AND OUTPUT DEFINITIONS + +Input + int32 *input_buffer, Ptr to fequency lines of current channel + struct gr_info_s *gr_info, structure with granuke information for the + input + mp3Header *info mp3 header information + +------------------------------------------------------------------------------ + FUNCTION DESCRIPTION + + Alias Reduction + + + + Alias reduction before processing by the IMDCT + + Csi + + >---------0---------0--------> + \ / - + Cai \ / + \ / + \ / + \ + / \ + Cai / \ + / \ + + >--------0---------0----------> + Csi + + + Aliasing Butterfly + Alias reduction is not applied to short blocks + +------------------------------------------------------------------------------ + REQUIREMENTS + + +------------------------------------------------------------------------------ + REFERENCES + + [1] ISO MPEG Audio Subgroup Software Simulation Group (1996) + ISO 13818-3 MPEG-2 Audio Decoder - Lower Sampling Frequency Extension + +------------------------------------------------------------------------------ + PSEUDO-CODE + 1 ci + csi = ---------------- csi = ---------------- + sqrt( 1 + (ci^2)) sqrt( 1 + (ci^2)) + + + ci = -0.6, -0.535, -0.33, -0.185, -0.095, -0.041, -0.0142, -0.0037 + + ------------------------------------------------------------------------------ +*/ + + +/*---------------------------------------------------------------------------- +; INCLUDES +----------------------------------------------------------------------------*/ + +#include "pvmp3_alias_reduction.h" +#include "pv_mp3dec_fxd_op.h" + + +/*---------------------------------------------------------------------------- +; MACROS +; Define module specific macros here +----------------------------------------------------------------------------*/ + + +/*---------------------------------------------------------------------------- +; DEFINES +; Include all pre-processor statements here. Include conditional +; compile variables also. +----------------------------------------------------------------------------*/ +#define NUM_BUTTERFLIES 8 + +#define Q31_fmt(a) (int32(double(0x7FFFFFFF)*a)) + +/*---------------------------------------------------------------------------- +; LOCAL FUNCTION DEFINITIONS +; Function Prototype declaration +----------------------------------------------------------------------------*/ + +/*---------------------------------------------------------------------------- +; LOCAL STORE/BUFFER/POINTER DEFINITIONS +; Variable declaration - defined here and used outside this module +----------------------------------------------------------------------------*/ +const int32 c_signal [ NUM_BUTTERFLIES ] = +{ + + Q31_fmt(0.85749292571254f), Q31_fmt(0.88174199731771f), + Q31_fmt(0.94962864910273f), Q31_fmt(0.98331459249179f), + Q31_fmt(0.99551781606759f), Q31_fmt(0.99916055817815f), + Q31_fmt(0.99989919524445f), Q31_fmt(0.99999315507028f) + +}; + + +const int32 c_alias [ NUM_BUTTERFLIES ] = +{ + + Q31_fmt(-0.51449575542753f), Q31_fmt(-0.47173196856497f), + Q31_fmt(-0.31337745420390f), Q31_fmt(-0.18191319961098f), + Q31_fmt(-0.09457419252642f), Q31_fmt(-0.04096558288530f), + Q31_fmt(-0.01419856857247f), Q31_fmt(-0.00369997467376f) +}; + +/*---------------------------------------------------------------------------- +; EXTERNAL FUNCTION REFERENCES +; Declare functions defined elsewhere and referenced in this module +----------------------------------------------------------------------------*/ + +/*---------------------------------------------------------------------------- +; EXTERNAL GLOBAL STORE/BUFFER/POINTER REFERENCES +; Declare variables used in this module but defined elsewhere +----------------------------------------------------------------------------*/ + +/*---------------------------------------------------------------------------- +; FUNCTION CODE +----------------------------------------------------------------------------*/ + +void pvmp3_alias_reduction(int32 *input_buffer, /* Ptr to spec values of current channel */ + granuleInfo *gr_info, + int32 *used_freq_lines, + mp3Header *info) +{ + int32 *ptr1; + int32 *ptr2; + int32 *ptr3; + int32 *ptr4; + const int32 *ptr_csi; + const int32 *ptr_csa; + int32 sblim; + + int32 i, j; + + *used_freq_lines = fxp_mul32_Q32(*used_freq_lines << 16, (int32)(0x7FFFFFFF / (float)18 - 1.0f)) >> 15; + + + if (gr_info->window_switching_flag && gr_info->block_type == 2) + { + if (gr_info->mixed_block_flag) + { + sblim = ((info->version_x == MPEG_2_5) && (info->sampling_frequency == 2)) ? 3 : 1; + } + else + { + return; /* illegal parameter */ + } + } + else + { + sblim = *used_freq_lines + 1; + + if (sblim > SUBBANDS_NUMBER - 1) + { + sblim = SUBBANDS_NUMBER - 1; /* default */ + } + + } + + + ptr3 = &input_buffer[17]; + ptr4 = &input_buffer[18]; + ptr_csi = c_signal; + ptr_csa = c_alias; + + /* NUM_BUTTERFLIES (=8) butterflies between each pair of sub-bands*/ + + for (i = NUM_BUTTERFLIES >> 1; i != 0; i--) + { + int32 csi1 = *ptr_csi++; + int32 csi2 = *ptr_csi++; + int32 csa1 = *ptr_csa++; + int32 csa2 = *ptr_csa++; + + ptr1 = ptr3; + ptr3 -= 2; + ptr2 = ptr4; + ptr4 += 2; + + /* + * "sblim" alias-reduction operations between each + * pair of sub-bands + */ + + for (j = sblim >> 1; j != 0; j--) + { + int32 y = *ptr2; + int32 x = *ptr1 << 1; + *ptr1-- = fxp_msb32_Q32(fxp_mul32_Q32(x, csi1), y << 1, csa1); + *ptr2++ = fxp_mac32_Q32(fxp_mul32_Q32(y << 1, csi1), x, csa1); + y = *ptr2; + x = *ptr1 << 1; + *ptr1 = fxp_msb32_Q32(fxp_mul32_Q32(x, csi2), y << 1, csa2); + *ptr2 = fxp_mac32_Q32(fxp_mul32_Q32(y << 1, csi2), x, csa2); + ptr1 += 19; + ptr2 += 17; + y = *ptr2; + x = *ptr1 << 1; + *ptr1-- = fxp_msb32_Q32(fxp_mul32_Q32(x, csi1), y << 1, csa1); + *ptr2++ = fxp_mac32_Q32(fxp_mul32_Q32(y << 1, csi1), x, csa1); + y = *ptr2; + x = *ptr1 << 1; + *ptr1 = fxp_msb32_Q32(fxp_mul32_Q32(x, csi2), y << 1, csa2); + *ptr2 = fxp_mac32_Q32(fxp_mul32_Q32(y << 1, csi2), x, csa2); + ptr1 += 19; + ptr2 += 17; + + } + + if (sblim & 1) + { + int32 x = *ptr1 << 1; + int32 y = *ptr2; + *ptr1-- = fxp_msb32_Q32(fxp_mul32_Q32(x, csi1), y << 1, csa1); + *ptr2++ = fxp_mac32_Q32(fxp_mul32_Q32(y << 1, csi1), x, csa1); + + x = *ptr1 << 1; + y = *ptr2; + *ptr1 = fxp_msb32_Q32(fxp_mul32_Q32(x, csi2), y << 1, csa2); + *ptr2 = fxp_mac32_Q32(fxp_mul32_Q32(y << 1, csi2), x, csa2); + } + } + +} diff --git a/sources/pvmp3dec/src/pvmp3_alias_reduction.h b/sources/pvmp3dec/src/pvmp3_alias_reduction.h new file mode 100644 index 00000000..2292d5f6 --- /dev/null +++ b/sources/pvmp3dec/src/pvmp3_alias_reduction.h @@ -0,0 +1,100 @@ +/* ------------------------------------------------------------------ + * Copyright (C) 1998-2009 PacketVideo + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either + * express or implied. + * See the License for the specific language governing permissions + * and limitations under the License. + * ------------------------------------------------------------------- + */ +/* +------------------------------------------------------------------------------ + PacketVideo Corp. + MP3 Decoder Library + + Filename: pvmp3_alias_reduction.h + + Date: 09/21/2007 + +------------------------------------------------------------------------------ + REVISION HISTORY + + Description: + +------------------------------------------------------------------------------ + INCLUDE DESCRIPTION + +------------------------------------------------------------------------------ +*/ + +/*---------------------------------------------------------------------------- +; CONTINUE ONLY IF NOT ALREADY DEFINED +----------------------------------------------------------------------------*/ +#ifndef PVMP3_ALIAS_REDUCTION_H +#define PVMP3_ALIAS_REDUCTION_H + +/*---------------------------------------------------------------------------- +; INCLUDES +----------------------------------------------------------------------------*/ +#include "pvmp3_dec_defs.h" +#include "pvmp3_audio_type_defs.h" + +/*---------------------------------------------------------------------------- +; MACROS +; Define module specific macros here +----------------------------------------------------------------------------*/ + +/*---------------------------------------------------------------------------- +; DEFINES +; Include all pre-processor statements here. +----------------------------------------------------------------------------*/ + +/*---------------------------------------------------------------------------- +; EXTERNAL VARIABLES REFERENCES +; Declare variables used in this module but defined elsewhere +----------------------------------------------------------------------------*/ + +/*---------------------------------------------------------------------------- +; SIMPLE TYPEDEF'S +----------------------------------------------------------------------------*/ + +/*---------------------------------------------------------------------------- +; ENUMERATED TYPEDEF'S +----------------------------------------------------------------------------*/ + +/*---------------------------------------------------------------------------- +; STRUCTURES TYPEDEF'S +----------------------------------------------------------------------------*/ +#ifdef __cplusplus +extern "C" +{ +#endif + + void pvmp3_alias_reduction(int32 *input_buffer, + granuleInfo *gr_info, + int32 *used_freq_lines, + mp3Header *info); + +#ifdef __cplusplus +} +#endif + +/*---------------------------------------------------------------------------- +; GLOBAL FUNCTION DEFINITIONS +; Function Prototype declaration +----------------------------------------------------------------------------*/ + +/*---------------------------------------------------------------------------- +; END +----------------------------------------------------------------------------*/ + +#endif + diff --git a/sources/pvmp3dec/src/pvmp3_crc.cpp b/sources/pvmp3dec/src/pvmp3_crc.cpp new file mode 100644 index 00000000..20d0d829 --- /dev/null +++ b/sources/pvmp3dec/src/pvmp3_crc.cpp @@ -0,0 +1,161 @@ +/* ------------------------------------------------------------------ + * Copyright (C) 1998-2009 PacketVideo + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either + * express or implied. + * See the License for the specific language governing permissions + * and limitations under the License. + * ------------------------------------------------------------------- + */ +/* +------------------------------------------------------------------------------ + + PacketVideo Corp. + MP3 Decoder Library + + Filename: pvmp3_crc.cpp + + Functions: + getbits_crc + calculate_crc + + Date: 09/21/2007 + +------------------------------------------------------------------------------ + REVISION HISTORY + + + Description: + +------------------------------------------------------------------------------ + INPUT AND OUTPUT DEFINITIONS + +getbits_crc + +Input + tbits *inputStream, bit stream structure + int32 neededBits, number of bits to read from the bit stream + uint32 *crc, memory location holding calculated crc value + uint32 crc_enabled flag to enable/disable crc checking + +------------------------------------------------------------------------------ + INPUT AND OUTPUT DEFINITIONS + +calculate_crc + +Input + uint32 data, data vector + uint32 length, number of element upon the crc will be calculated + uint32 *crc, memory location holding calculated crc value + +------------------------------------------------------------------------------ + FUNCTION DESCRIPTION + + +------------------------------------------------------------------------------ + REQUIREMENTS + + +------------------------------------------------------------------------------ + REFERENCES + + [1] ISO MPEG Audio Subgroup Software Simulation Group (1996) + ISO 13818-3 MPEG-2 Audio Decoder - Lower Sampling Frequency Extension + +------------------------------------------------------------------------------ + PSEUDO-CODE + + ------------------------------------------------------------------------------ +*/ + + +/*---------------------------------------------------------------------------- +; INCLUDES +----------------------------------------------------------------------------*/ + +#include "pvmp3_getbits.h" +#include "pvmp3_crc.h" + +/*---------------------------------------------------------------------------- +; MACROS +; Define module specific macros here +----------------------------------------------------------------------------*/ + + +/*---------------------------------------------------------------------------- +; DEFINES +; Include all pre-processor statements here. Include conditional +; compile variables also. +----------------------------------------------------------------------------*/ + +/*---------------------------------------------------------------------------- +; LOCAL FUNCTION DEFINITIONS +; Function Prototype declaration +----------------------------------------------------------------------------*/ + +/*---------------------------------------------------------------------------- +; LOCAL STORE/BUFFER/POINTER DEFINITIONS +; Variable declaration - defined here and used outside this module +----------------------------------------------------------------------------*/ + +/*---------------------------------------------------------------------------- +; EXTERNAL FUNCTION REFERENCES +; Declare functions defined elsewhere and referenced in this module +----------------------------------------------------------------------------*/ + +/*---------------------------------------------------------------------------- +; EXTERNAL GLOBAL STORE/BUFFER/POINTER REFERENCES +; Declare variables used in this module but defined elsewhere +----------------------------------------------------------------------------*/ + +/*---------------------------------------------------------------------------- +; FUNCTION CODE +----------------------------------------------------------------------------*/ + +uint32 getbits_crc(tmp3Bits *inputStream, /* bit stream structure */ + int32 neededBits, /* number of bits to read from the bit stream */ + uint32 *crc, + uint32 crc_enabled) +{ + uint32 bits = getNbits(inputStream, neededBits); + + if (crc_enabled) + { + calculate_crc(bits, neededBits, crc); + } + return(bits); +} + +/*---------------------------------------------------------------------------- +; FUNCTION CODE +----------------------------------------------------------------------------*/ + +void calculate_crc(uint32 data, + uint32 length, + uint32 *crc) +{ + uint32 carry; + uint32 masking = 1 << length; + + while ((masking >>= 1)) + { + carry = *crc & 0x8000; + *crc <<= 1; + if (!carry ^ !(data & masking)) + { + *crc ^= CRC16_POLYNOMIAL; + } + } + *crc &= 0xffff; +} + + + diff --git a/sources/pvmp3dec/src/pvmp3_crc.h b/sources/pvmp3dec/src/pvmp3_crc.h new file mode 100644 index 00000000..b7c277ad --- /dev/null +++ b/sources/pvmp3dec/src/pvmp3_crc.h @@ -0,0 +1,110 @@ +/* ------------------------------------------------------------------ + * Copyright (C) 1998-2009 PacketVideo + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either + * express or implied. + * See the License for the specific language governing permissions + * and limitations under the License. + * ------------------------------------------------------------------- + */ +/* +------------------------------------------------------------------------------ + PacketVideo Corp. + MP3 Decoder Library + + Filename: pvmp3_crc.h + + Date: 09/21/2007 + +------------------------------------------------------------------------------ + REVISION HISTORY + + Description: + +------------------------------------------------------------------------------ + INCLUDE DESCRIPTION + + +------------------------------------------------------------------------------ +*/ + +/*---------------------------------------------------------------------------- +; CONTINUE ONLY IF NOT ALREADY DEFINED +----------------------------------------------------------------------------*/ +#ifndef PVMP3_CRC_H +#define PVMP3_CRC_H + +/*---------------------------------------------------------------------------- +; INCLUDES +----------------------------------------------------------------------------*/ +#include "pvmp3_audio_type_defs.h" +#include "s_mp3bits.h" +#include "pvmp3decoder_api.h" + +/*---------------------------------------------------------------------------- +; MACROS +; Define module specific macros here +----------------------------------------------------------------------------*/ + +/*---------------------------------------------------------------------------- +; DEFINES +; Include all pre-processor statements here. +----------------------------------------------------------------------------*/ +#define CRC16_POLYNOMIAL 0x8005 + +/*---------------------------------------------------------------------------- +; EXTERNAL VARIABLES REFERENCES +; Declare variables used in this module but defined elsewhere +----------------------------------------------------------------------------*/ + +/*---------------------------------------------------------------------------- +; SIMPLE TYPEDEF'S +----------------------------------------------------------------------------*/ + +/*---------------------------------------------------------------------------- +; ENUMERATED TYPEDEF'S +----------------------------------------------------------------------------*/ + +/*---------------------------------------------------------------------------- +; STRUCTURES TYPEDEF'S +----------------------------------------------------------------------------*/ +#ifdef __cplusplus +extern "C" +{ +#endif + + uint32 getbits_crc(tmp3Bits *inputStream, + int32 neededBits, + uint32 *crc, + uint32 crc_enabled); + + + void calculate_crc(uint32 data, + uint32 length, + uint32 *crc); + +#ifdef __cplusplus +} +#endif + +/*---------------------------------------------------------------------------- +; GLOBAL FUNCTION DEFINITIONS +; Function Prototype declaration +----------------------------------------------------------------------------*/ + +/*---------------------------------------------------------------------------- +; END +----------------------------------------------------------------------------*/ + +#endif + + + diff --git a/sources/pvmp3dec/src/pvmp3_dct_16.cpp b/sources/pvmp3dec/src/pvmp3_dct_16.cpp new file mode 100644 index 00000000..a71efc4b --- /dev/null +++ b/sources/pvmp3dec/src/pvmp3_dct_16.cpp @@ -0,0 +1,410 @@ +/* ------------------------------------------------------------------ + * Copyright (C) 1998-2009 PacketVideo + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either + * express or implied. + * See the License for the specific language governing permissions + * and limitations under the License. + * ------------------------------------------------------------------- + */ +/* +------------------------------------------------------------------------------ + + PacketVideo Corp. + MP3 Decoder Library + + Filename: pvmp3_dct_16.cpp + + Functions: + dct_16 + pv_merge_in_place_N32 + pv_split + + Date: 09/21/2007 + +------------------------------------------------------------------------------ + REVISION HISTORY + + + Description: + +------------------------------------------------------------------------------ + INPUT AND OUTPUT DEFINITIONS + + dct_16 + +Input + int32 vec[], input vector length 16 + Int flag processing direction: forward (1), backward ( 0) + Returns + + int32 vec[], dct length 16 + +------------------------------------------------------------------------------ + INPUT AND OUTPUT DEFINITIONS + + pv_merge_in_place_N32 + +Input + int32 vec[], input vector length 16 + + Returns + + int32 vec[], merged output of two dct 16 to create a dct 32 + +------------------------------------------------------------------------------ + INPUT AND OUTPUT DEFINITIONS + + pv_split + +Input + int32 vec[], input vector length 16 + + Returns + + int32 vec[], splitted even/odd and pre processing rotation + +------------------------------------------------------------------------------ + FUNCTION DESCRIPTION + + dct 16 and tools to assemble a dct32 output + +------------------------------------------------------------------------------ + REQUIREMENTS + + +------------------------------------------------------------------------------ + REFERENCES + +------------------------------------------------------------------------------ + PSEUDO-CODE + +------------------------------------------------------------------------------ +*/ + +#if ( !defined(PV_ARM_GCC_V5) && !defined(PV_ARM_GCC_V4) ) +/*---------------------------------------------------------------------------- +; INCLUDES +----------------------------------------------------------------------------*/ + +#include "pvmp3_dct_16.h" +#include "pv_mp3dec_fxd_op.h" + +/*---------------------------------------------------------------------------- +; MACROS +; Define module specific macros here +----------------------------------------------------------------------------*/ + + +/*---------------------------------------------------------------------------- +; DEFINES +; Include all pre-processor statements here. Include conditional +; compile variables also. +----------------------------------------------------------------------------*/ +#define Qfmt(a) (int32)(a*((int32)1<<27)) + +/*---------------------------------------------------------------------------- +; LOCAL FUNCTION DEFINITIONS +; Function Prototype declaration +----------------------------------------------------------------------------*/ + +/*---------------------------------------------------------------------------- +; LOCAL STORE/BUFFER/POINTER DEFINITIONS +; Variable declaration - defined here and used outside this module +----------------------------------------------------------------------------*/ +const int32 CosTable_dct32[16] = +{ + Qfmt_31(0.50060299823520F) , Qfmt_31(0.50547095989754F) , + Qfmt_31(0.51544730992262F) , Qfmt_31(0.53104259108978F) , + Qfmt_31(0.55310389603444F) , Qfmt_31(0.58293496820613F) , + Qfmt_31(0.62250412303566F) , Qfmt_31(0.67480834145501F) , + Qfmt_31(0.74453627100230F) , Qfmt_31(0.83934964541553F) , + + Qfmt(0.97256823786196F) , Qfmt(1.16943993343288F) , + Qfmt(1.48416461631417F) , Qfmt(2.05778100995341F) , + Qfmt(3.40760841846872F) , Qfmt(10.19000812354803F) +}; + + +/*---------------------------------------------------------------------------- +; EXTERNAL FUNCTION REFERENCES +; Declare functions defined elsewhere and referenced in this module +----------------------------------------------------------------------------*/ + +/*---------------------------------------------------------------------------- +; EXTERNAL GLOBAL STORE/BUFFER/POINTER REFERENCES +; Declare variables used in this module but defined elsewhere +----------------------------------------------------------------------------*/ + + +/*---------------------------------------------------------------------------- +; FUNCTION CODE +----------------------------------------------------------------------------*/ + +void pvmp3_dct_16(int32 vec[], int32 flag) +{ + int32 tmp0; + int32 tmp1; + int32 tmp2; + int32 tmp3; + int32 tmp4; + int32 tmp5; + int32 tmp6; + int32 tmp7; + int32 tmp_o0; + int32 tmp_o1; + int32 tmp_o2; + int32 tmp_o3; + int32 tmp_o4; + int32 tmp_o5; + int32 tmp_o6; + int32 tmp_o7; + int32 itmp_e0; + int32 itmp_e1; + int32 itmp_e2; + + /* split input vector */ + + tmp_o0 = fxp_mul32_Q32((vec[ 0] - vec[15]), Qfmt_31(0.50241928618816F)); + tmp0 = vec[ 0] + vec[15]; + + tmp_o7 = fxp_mul32_Q32((vec[ 7] - vec[ 8]) << 3, Qfmt_31(0.63764357733614F)); + tmp7 = vec[ 7] + vec[ 8]; + + itmp_e0 = fxp_mul32_Q32((tmp0 - tmp7), Qfmt_31(0.50979557910416F)); + tmp7 = (tmp0 + tmp7); + + tmp_o1 = fxp_mul32_Q32((vec[ 1] - vec[14]), Qfmt_31(0.52249861493969F)); + tmp1 = vec[ 1] + vec[14]; + + tmp_o6 = fxp_mul32_Q32((vec[ 6] - vec[ 9]) << 1, Qfmt_31(0.86122354911916F)); + tmp6 = vec[ 6] + vec[ 9]; + + + + itmp_e1 = (tmp1 + tmp6); + tmp6 = fxp_mul32_Q32((tmp1 - tmp6), Qfmt_31(0.60134488693505F)); + + + + tmp_o2 = fxp_mul32_Q32((vec[ 2] - vec[13]), Qfmt_31(0.56694403481636F)); + tmp2 = vec[ 2] + vec[13]; + tmp_o5 = fxp_mul32_Q32((vec[ 5] - vec[10]) << 1, Qfmt_31(0.53033884299517F)); + tmp5 = vec[ 5] + vec[10]; + + itmp_e2 = (tmp2 + tmp5); + tmp5 = fxp_mul32_Q32((tmp2 - tmp5), Qfmt_31(0.89997622313642F)); + + tmp_o3 = fxp_mul32_Q32((vec[ 3] - vec[12]), Qfmt_31(0.64682178335999F)); + tmp3 = vec[ 3] + vec[12]; + tmp_o4 = fxp_mul32_Q32((vec[ 4] - vec[11]), Qfmt_31(0.78815462345125F)); + tmp4 = vec[ 4] + vec[11]; + + tmp1 = (tmp3 + tmp4); + tmp4 = fxp_mul32_Q32((tmp3 - tmp4) << 2, Qfmt_31(0.64072886193538F)); + + /* split even part of tmp_e */ + + tmp0 = (tmp7 + tmp1); + tmp1 = fxp_mul32_Q32((tmp7 - tmp1), Qfmt_31(0.54119610014620F)); + + tmp3 = fxp_mul32_Q32((itmp_e1 - itmp_e2) << 1, Qfmt_31(0.65328148243819F)); + tmp7 = (itmp_e1 + itmp_e2); + + vec[ 0] = (tmp0 + tmp7) >> 1; + vec[ 8] = fxp_mul32_Q32((tmp0 - tmp7), Qfmt_31(0.70710678118655F)); + tmp0 = fxp_mul32_Q32((tmp1 - tmp3) << 1, Qfmt_31(0.70710678118655F)); + vec[ 4] = tmp1 + tmp3 + tmp0; + vec[12] = tmp0; + + /* split odd part of tmp_e */ + + tmp1 = fxp_mul32_Q32((itmp_e0 - tmp4) << 1, Qfmt_31(0.54119610014620F)); + tmp7 = itmp_e0 + tmp4; + + tmp3 = fxp_mul32_Q32((tmp6 - tmp5) << 2, Qfmt_31(0.65328148243819F)); + tmp6 += tmp5; + + tmp4 = fxp_mul32_Q32((tmp7 - tmp6) << 1, Qfmt_31(0.70710678118655F)); + tmp6 += tmp7; + tmp7 = fxp_mul32_Q32((tmp1 - tmp3) << 1, Qfmt_31(0.70710678118655F)); + + tmp1 += tmp3 + tmp7; + vec[ 2] = tmp1 + tmp6; + vec[ 6] = tmp1 + tmp4; + vec[10] = tmp7 + tmp4; + vec[14] = tmp7; + + + // dct8; + + tmp1 = fxp_mul32_Q32((tmp_o0 - tmp_o7) << 1, Qfmt_31(0.50979557910416F)); + tmp7 = tmp_o0 + tmp_o7; + + tmp6 = tmp_o1 + tmp_o6; + tmp_o1 = fxp_mul32_Q32((tmp_o1 - tmp_o6) << 1, Qfmt_31(0.60134488693505F)); + + tmp5 = tmp_o2 + tmp_o5; + tmp_o5 = fxp_mul32_Q32((tmp_o2 - tmp_o5) << 1, Qfmt_31(0.89997622313642F)); + + tmp0 = fxp_mul32_Q32((tmp_o3 - tmp_o4) << 3, Qfmt_31(0.6407288619354F)); + tmp4 = tmp_o3 + tmp_o4; + + if (!flag) + { + tmp7 = -tmp7; + tmp1 = -tmp1; + tmp6 = -tmp6; + tmp_o1 = -tmp_o1; + tmp5 = -tmp5; + tmp_o5 = -tmp_o5; + tmp4 = -tmp4; + tmp0 = -tmp0; + } + + + tmp2 = fxp_mul32_Q32((tmp1 - tmp0) << 1, Qfmt_31(0.54119610014620F)); + tmp0 += tmp1; + tmp1 = fxp_mul32_Q32((tmp7 - tmp4) << 1, Qfmt_31(0.54119610014620F)); + tmp7 += tmp4; + tmp4 = fxp_mul32_Q32((tmp6 - tmp5) << 2, Qfmt_31(0.65328148243819F)); + tmp6 += tmp5; + tmp5 = fxp_mul32_Q32((tmp_o1 - tmp_o5) << 2, Qfmt_31(0.65328148243819F)); + tmp_o1 += tmp_o5; + + + vec[13] = fxp_mul32_Q32((tmp1 - tmp4) << 1, Qfmt_31(0.70710678118655F)); + vec[ 5] = tmp1 + tmp4 + vec[13]; + + vec[ 9] = fxp_mul32_Q32((tmp7 - tmp6) << 1, Qfmt_31(0.70710678118655F)); + vec[ 1] = tmp7 + tmp6; + + tmp4 = fxp_mul32_Q32((tmp0 - tmp_o1) << 1, Qfmt_31(0.70710678118655F)); + tmp0 += tmp_o1; + tmp6 = fxp_mul32_Q32((tmp2 - tmp5) << 1, Qfmt_31(0.70710678118655F)); + tmp2 += tmp5 + tmp6; + tmp0 += tmp2; + + vec[ 1] += tmp0; + vec[ 3] = tmp0 + vec[ 5]; + tmp2 += tmp4; + vec[ 5] = tmp2 + vec[ 5]; + vec[ 7] = tmp2 + vec[ 9]; + tmp4 += tmp6; + vec[ 9] = tmp4 + vec[ 9]; + vec[11] = tmp4 + vec[13]; + vec[13] = tmp6 + vec[13]; + vec[15] = tmp6; + +} +/*---------------------------------------------------------------------------- +; FUNCTION CODE +----------------------------------------------------------------------------*/ +void pvmp3_merge_in_place_N32(int32 vec[]) +{ + + + int32 temp0; + int32 temp1; + int32 temp2; + int32 temp3; + + temp0 = vec[14]; + vec[14] = vec[ 7]; + temp1 = vec[12]; + vec[12] = vec[ 6]; + temp2 = vec[10]; + vec[10] = vec[ 5]; + temp3 = vec[ 8]; + vec[ 8] = vec[ 4]; + vec[ 6] = vec[ 3]; + vec[ 4] = vec[ 2]; + vec[ 2] = vec[ 1]; + + vec[ 1] = (vec[16] + vec[17]); + vec[16] = temp3; + vec[ 3] = (vec[18] + vec[17]); + vec[ 5] = (vec[19] + vec[18]); + vec[18] = vec[9]; + + vec[ 7] = (vec[20] + vec[19]); + vec[ 9] = (vec[21] + vec[20]); + vec[20] = temp2; + temp2 = vec[13]; + temp3 = vec[11]; + vec[11] = (vec[22] + vec[21]); + vec[13] = (vec[23] + vec[22]); + vec[22] = temp3; + temp3 = vec[15]; + + vec[15] = (vec[24] + vec[23]); + vec[17] = (vec[25] + vec[24]); + vec[19] = (vec[26] + vec[25]); + vec[21] = (vec[27] + vec[26]); + vec[23] = (vec[28] + vec[27]); + vec[24] = temp1; + vec[25] = (vec[29] + vec[28]); + vec[26] = temp2; + vec[27] = (vec[30] + vec[29]); + vec[28] = temp0; + vec[29] = (vec[30] + vec[31]); + vec[30] = temp3; +} + + +/*---------------------------------------------------------------------------- +; FUNCTION CODE +----------------------------------------------------------------------------*/ + + + +void pvmp3_split(int32 *vect) +{ + + int32 i; + const int32 *pt_cosTerms = &CosTable_dct32[15]; + int32 *pt_vect = vect; + int32 *pt_vect_2 = pt_vect - 1; + + for (i = 3; i != 0; i--) + { + int32 tmp2 = *(pt_vect); + int32 tmp1 = *(pt_vect_2); + int32 cosx = *(pt_cosTerms--); + *(pt_vect_2--) = (tmp1 + tmp2); + *(pt_vect++) = fxp_mul32_Q27((tmp1 - tmp2), cosx); + + tmp2 = *(pt_vect); + tmp1 = *(pt_vect_2); + cosx = *(pt_cosTerms--); + *(pt_vect_2--) = (tmp1 + tmp2); + *(pt_vect++) = fxp_mul32_Q27((tmp1 - tmp2), cosx); + + } + + for (i = 5; i != 0; i--) + { + int32 tmp2 = *(pt_vect); + int32 tmp1 = *(pt_vect_2); + int32 cosx = *(pt_cosTerms--); + *(pt_vect_2--) = (tmp1 + tmp2); + *(pt_vect++) = fxp_mul32_Q32((tmp1 - tmp2) << 1, cosx); + + tmp2 = *(pt_vect); + tmp1 = *(pt_vect_2); + cosx = *(pt_cosTerms--); + *(pt_vect_2--) = (tmp1 + tmp2); + *(pt_vect++) = fxp_mul32_Q32((tmp1 - tmp2) << 1, cosx); + } + +} + +#endif diff --git a/sources/pvmp3dec/src/pvmp3_dct_16.h b/sources/pvmp3dec/src/pvmp3_dct_16.h new file mode 100644 index 00000000..e8bf76ed --- /dev/null +++ b/sources/pvmp3dec/src/pvmp3_dct_16.h @@ -0,0 +1,102 @@ +/* ------------------------------------------------------------------ + * Copyright (C) 1998-2009 PacketVideo + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either + * express or implied. + * See the License for the specific language governing permissions + * and limitations under the License. + * ------------------------------------------------------------------- + */ +/* +------------------------------------------------------------------------------ + PacketVideo Corp. + MP3 Decoder Library + + Filename: pvmp3_dct_16.h + + Date: 09/21/2007 + +------------------------------------------------------------------------------ + REVISION HISTORY + + Description: + +------------------------------------------------------------------------------ + INCLUDE DESCRIPTION + + +------------------------------------------------------------------------------ +*/ + +/*---------------------------------------------------------------------------- +; CONTINUE ONLY IF NOT ALREADY DEFINED +----------------------------------------------------------------------------*/ +#ifndef PVMP3_DCT_16_H +#define PVMP3_DCT_16_H + +/*---------------------------------------------------------------------------- +; INCLUDES +----------------------------------------------------------------------------*/ +#include "pvmp3_audio_type_defs.h" + +/*---------------------------------------------------------------------------- +; MACROS +; Define module specific macros here +----------------------------------------------------------------------------*/ + +/*---------------------------------------------------------------------------- +; DEFINES +; Include all pre-processor statements here. +----------------------------------------------------------------------------*/ + +/*---------------------------------------------------------------------------- +; EXTERNAL VARIABLES REFERENCES +; Declare variables used in this module but defined elsewhere +----------------------------------------------------------------------------*/ + +/*---------------------------------------------------------------------------- +; SIMPLE TYPEDEF'S +----------------------------------------------------------------------------*/ + +/*---------------------------------------------------------------------------- +; ENUMERATED TYPEDEF'S +----------------------------------------------------------------------------*/ + +/*---------------------------------------------------------------------------- +; STRUCTURES TYPEDEF'S +----------------------------------------------------------------------------*/ +#ifdef __cplusplus +extern "C" +{ +#endif + + void pvmp3_dct_16(int32 vec[], int32 flag); + + void pvmp3_merge_in_place_N32(int32 vec[]); + + void pvmp3_split(int32 *vect); + + +#ifdef __cplusplus +} +#endif + +/*---------------------------------------------------------------------------- +; GLOBAL FUNCTION DEFINITIONS +; Function Prototype declaration +----------------------------------------------------------------------------*/ + +/*---------------------------------------------------------------------------- +; END +----------------------------------------------------------------------------*/ + +#endif + diff --git a/sources/pvmp3dec/src/pvmp3_dct_6.cpp b/sources/pvmp3dec/src/pvmp3_dct_6.cpp new file mode 100644 index 00000000..4c5fb030 --- /dev/null +++ b/sources/pvmp3dec/src/pvmp3_dct_6.cpp @@ -0,0 +1,152 @@ +/* ------------------------------------------------------------------ + * Copyright (C) 1998-2009 PacketVideo + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either + * express or implied. + * See the License for the specific language governing permissions + * and limitations under the License. + * ------------------------------------------------------------------- + */ +/* +------------------------------------------------------------------------------ + + PacketVideo Corp. + MP3 Decoder Library + + Filename: pvmp3_dct6.cpp + + Date: 09/21/2007 + +------------------------------------------------------------------------------ + REVISION HISTORY + + + Description: + +------------------------------------------------------------------------------ + INPUT AND OUTPUT DEFINITIONS + +Input + Int32 vec[] vector of 6 32-bit integers +Returns + Int32 vec[] dct computation in-place + + +------------------------------------------------------------------------------ + FUNCTION DESCRIPTION + + Returns the dct of length 6 of the input vector + +------------------------------------------------------------------------------ + REQUIREMENTS + + +------------------------------------------------------------------------------ + REFERENCES + +------------------------------------------------------------------------------ + PSEUDO-CODE + +------------------------------------------------------------------------------ +*/ + + +/*---------------------------------------------------------------------------- +; INCLUDES +----------------------------------------------------------------------------*/ + +#include "pvmp3_audio_type_defs.h" +#include "pv_mp3dec_fxd_op.h" +#include "pvmp3_mdct_6.h" + + +/*---------------------------------------------------------------------------- +; MACROS +; Define module specific macros here +----------------------------------------------------------------------------*/ + + +/*---------------------------------------------------------------------------- +; DEFINES +; Include all pre-processor statements here. Include conditional +; compile variables also. +----------------------------------------------------------------------------*/ +#define Qfmt30(a) (Int32)(a*((Int32)1<<30) + (a>=0?0.5F:-0.5F)) + +#define cos_pi_6 Qfmt30( 0.86602540378444f) +#define cos_2_pi_6 Qfmt30( 0.5f) +#define cos_7_pi_12 Qfmt30( -0.25881904510252f) +#define cos_3_pi_12 Qfmt30( 0.70710678118655f) +#define cos_11_pi_12 Qfmt30( -0.96592582628907f) + +/*---------------------------------------------------------------------------- +; LOCAL FUNCTION DEFINITIONS +; Function Prototype declaration +----------------------------------------------------------------------------*/ + +/*---------------------------------------------------------------------------- +; LOCAL STORE/BUFFER/POINTER DEFINITIONS +; Variable declaration - defined here and used outside this module +----------------------------------------------------------------------------*/ + +/*---------------------------------------------------------------------------- +; EXTERNAL FUNCTION REFERENCES +; Declare functions defined elsewhere and referenced in this module +----------------------------------------------------------------------------*/ + +/*---------------------------------------------------------------------------- +; EXTERNAL GLOBAL STORE/BUFFER/POINTER REFERENCES +; Declare variables used in this module but defined elsewhere +----------------------------------------------------------------------------*/ + +/*---------------------------------------------------------------------------- +; FUNCTION CODE +----------------------------------------------------------------------------*/ + +void pvmp3_dct_6(int32 vec[]) +{ + + Int32 tmp0; + Int32 tmp1; + Int32 tmp2; + Int32 tmp3; + Int32 tmp4; + Int32 tmp5; + + + /* split input vector */ + + tmp0 = vec[5] + vec[0]; + tmp5 = vec[5] - vec[0]; + tmp1 = vec[4] + vec[1]; + tmp4 = vec[4] - vec[1]; + tmp2 = vec[3] + vec[2]; + tmp3 = vec[3] - vec[2]; + + vec[0] = tmp0 + tmp2 ; + vec[2] = fxp_mul32_Q30(tmp0 - tmp2, cos_pi_6); + vec[4] = (vec[0] >> 1) - tmp1; + vec[0] += tmp1; + + tmp0 = fxp_mul32_Q30(tmp3, cos_7_pi_12); + tmp0 = fxp_mac32_Q30(tmp4, -cos_3_pi_12, tmp0); + vec[1] = fxp_mac32_Q30(tmp5, cos_11_pi_12, tmp0); + + vec[3] = fxp_mul32_Q30((tmp3 + tmp4 - tmp5), cos_3_pi_12); + tmp0 = fxp_mul32_Q30(tmp3, cos_11_pi_12); + tmp0 = fxp_mac32_Q30(tmp4, cos_3_pi_12, tmp0); + vec[5] = fxp_mac32_Q30(tmp5, cos_7_pi_12, tmp0); + +} + + + + diff --git a/sources/pvmp3dec/src/pvmp3_dct_9.cpp b/sources/pvmp3dec/src/pvmp3_dct_9.cpp new file mode 100644 index 00000000..ce3ec64a --- /dev/null +++ b/sources/pvmp3dec/src/pvmp3_dct_9.cpp @@ -0,0 +1,167 @@ +/* ------------------------------------------------------------------ + * Copyright (C) 1998-2009 PacketVideo + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either + * express or implied. + * See the License for the specific language governing permissions + * and limitations under the License. + * ------------------------------------------------------------------- + */ +/* +------------------------------------------------------------------------------ + + PacketVideo Corp. + MP3 Decoder Library + + Filename: pvmp3_dct_9.cpp + + Date: 09/21/2007 + +------------------------------------------------------------------------------ + REVISION HISTORY + + + Description: + +------------------------------------------------------------------------------ + INPUT AND OUTPUT DEFINITIONS + +Input + int32 vec[] vector of 9 32-bit integers +Returns + int32 vec[] dct computation in-place + + +------------------------------------------------------------------------------ + FUNCTION DESCRIPTION + + Returns the dct of length 9 of the input vector + +------------------------------------------------------------------------------ + REQUIREMENTS + + +------------------------------------------------------------------------------ + REFERENCES + +------------------------------------------------------------------------------ + PSEUDO-CODE + +------------------------------------------------------------------------------ +*/ + +#if ( !defined(PV_ARM_GCC_V5) && !defined(PV_ARM_GCC_V4) && !defined(PV_ARM_V5) && !defined(PV_ARM_V4) ) +/*---------------------------------------------------------------------------- +; INCLUDES +----------------------------------------------------------------------------*/ +#include "pvmp3_audio_type_defs.h" +#include "pv_mp3dec_fxd_op.h" +#include "pvmp3_mdct_18.h" + +/*---------------------------------------------------------------------------- +; MACROS +; Define module specific macros here +----------------------------------------------------------------------------*/ + + +/*---------------------------------------------------------------------------- +; DEFINES +; Include all pre-processor statements here. Include conditional +; compile variables also. +----------------------------------------------------------------------------*/ +#define Qfmt31(a) (int32)(a*(0x7FFFFFFF)) + +#define cos_pi_9 Qfmt31( 0.93969262078591f) +#define cos_2pi_9 Qfmt31( 0.76604444311898f) +#define cos_4pi_9 Qfmt31( 0.17364817766693f) +#define cos_5pi_9 Qfmt31(-0.17364817766693f) +#define cos_7pi_9 Qfmt31(-0.76604444311898f) +#define cos_8pi_9 Qfmt31(-0.93969262078591f) +#define cos_pi_6 Qfmt31( 0.86602540378444f) +#define cos_5pi_6 Qfmt31(-0.86602540378444f) +#define cos_5pi_18 Qfmt31( 0.64278760968654f) +#define cos_7pi_18 Qfmt31( 0.34202014332567f) +#define cos_11pi_18 Qfmt31(-0.34202014332567f) +#define cos_13pi_18 Qfmt31(-0.64278760968654f) +#define cos_17pi_18 Qfmt31(-0.98480775301221f) + +/*---------------------------------------------------------------------------- +; LOCAL FUNCTION DEFINITIONS +; Function Prototype declaration +----------------------------------------------------------------------------*/ + +/*---------------------------------------------------------------------------- +; LOCAL STORE/BUFFER/POINTER DEFINITIONS +; Variable declaration - defined here and used outside this module +----------------------------------------------------------------------------*/ + +/*---------------------------------------------------------------------------- +; EXTERNAL FUNCTION REFERENCES +; Declare functions defined elsewhere and referenced in this module +----------------------------------------------------------------------------*/ + +/*---------------------------------------------------------------------------- +; EXTERNAL GLOBAL STORE/BUFFER/POINTER REFERENCES +; Declare variables used in this module but defined elsewhere +----------------------------------------------------------------------------*/ + +/*---------------------------------------------------------------------------- +; FUNCTION CODE +----------------------------------------------------------------------------*/ + +void pvmp3_dct_9(int32 vec[]) +{ + + /* split input vector */ + + int32 tmp0 = vec[8] + vec[0]; + int32 tmp8 = vec[8] - vec[0]; + int32 tmp1 = vec[7] + vec[1]; + int32 tmp7 = vec[7] - vec[1]; + int32 tmp2 = vec[6] + vec[2]; + int32 tmp6 = vec[6] - vec[2]; + int32 tmp3 = vec[5] + vec[3]; + int32 tmp5 = vec[5] - vec[3]; + + vec[0] = (tmp0 + tmp2 + tmp3) + (tmp1 + vec[4]); + vec[6] = ((tmp0 + tmp2 + tmp3) >> 1) - (tmp1 + vec[4]); + vec[2] = (tmp1 >> 1) - vec[4]; + vec[4] = -vec[2]; + vec[8] = -vec[2]; + vec[4] = fxp_mac32_Q32(vec[4], tmp0 << 1, cos_2pi_9); + vec[8] = fxp_mac32_Q32(vec[8], tmp0 << 1, cos_4pi_9); + vec[2] = fxp_mac32_Q32(vec[2], tmp0 << 1, cos_pi_9); + vec[2] = fxp_mac32_Q32(vec[2], tmp2 << 1, cos_5pi_9); + vec[4] = fxp_mac32_Q32(vec[4], tmp2 << 1, cos_8pi_9); + vec[8] = fxp_mac32_Q32(vec[8], tmp2 << 1, cos_2pi_9); + vec[8] = fxp_mac32_Q32(vec[8], tmp3 << 1, cos_8pi_9); + vec[4] = fxp_mac32_Q32(vec[4], tmp3 << 1, cos_4pi_9); + vec[2] = fxp_mac32_Q32(vec[2], tmp3 << 1, cos_7pi_9); + + vec[1] = fxp_mul32_Q32(tmp5 << 1, cos_11pi_18); + vec[1] = fxp_mac32_Q32(vec[1], tmp6 << 1, cos_13pi_18); + vec[1] = fxp_mac32_Q32(vec[1], tmp7 << 1, cos_5pi_6); + vec[1] = fxp_mac32_Q32(vec[1], tmp8 << 1, cos_17pi_18); + vec[3] = fxp_mul32_Q32((tmp5 + tmp6 - tmp8) << 1, cos_pi_6); + vec[5] = fxp_mul32_Q32(tmp5 << 1, cos_17pi_18); + vec[5] = fxp_mac32_Q32(vec[5], tmp6 << 1, cos_7pi_18); + vec[5] = fxp_mac32_Q32(vec[5], tmp7 << 1, cos_pi_6); + vec[5] = fxp_mac32_Q32(vec[5], tmp8 << 1, cos_13pi_18); + vec[7] = fxp_mul32_Q32(tmp5 << 1, cos_5pi_18); + vec[7] = fxp_mac32_Q32(vec[7], tmp6 << 1, cos_17pi_18); + vec[7] = fxp_mac32_Q32(vec[7], tmp7 << 1, cos_pi_6); + vec[7] = fxp_mac32_Q32(vec[7], tmp8 << 1, cos_11pi_18); + +} + + + +#endif // If not assembly diff --git a/sources/pvmp3dec/src/pvmp3_dec_defs.h b/sources/pvmp3dec/src/pvmp3_dec_defs.h new file mode 100644 index 00000000..6cf8e3ed --- /dev/null +++ b/sources/pvmp3dec/src/pvmp3_dec_defs.h @@ -0,0 +1,199 @@ +/* ------------------------------------------------------------------ + * Copyright (C) 1998-2009 PacketVideo + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either + * express or implied. + * See the License for the specific language governing permissions + * and limitations under the License. + * ------------------------------------------------------------------- + */ +/* +------------------------------------------------------------------------------ + PacketVideo Corp. + MP3 Decoder Library + + Filename: pvmp3_dec_defs.h + + Date: 09/21/2007 + +------------------------------------------------------------------------------ + REVISION HISTORY + + Description: + +------------------------------------------------------------------------------ + INCLUDE DESCRIPTION + + This include file has the mp3 decoder common defines. + +------------------------------------------------------------------------------ +*/ + +/*---------------------------------------------------------------------------- +; CONTINUE ONLY IF NOT ALREADY DEFINED +----------------------------------------------------------------------------*/ +#ifndef PVMP3_DEC_DEFS_H +#define PVMP3_DEC_DEFS_H + +/*---------------------------------------------------------------------------- +; INCLUDES +----------------------------------------------------------------------------*/ +#include "pvmp3_audio_type_defs.h" +#include "pvmp3decoder_api.h" + +/*---------------------------------------------------------------------------- +; MACROS +; Define module specific macros here +----------------------------------------------------------------------------*/ +#define module(x, POW2) ((x)&(POW2-1)) + +/*---------------------------------------------------------------------------- +; DEFINES +; Include all pre-processor statements here. +----------------------------------------------------------------------------*/ +#define BUFSIZE 8192 // big enough to hold 4608 bytes == biggest mp3 frame + +#define CHAN 2 +#define GRAN 2 + + +#define SUBBANDS_NUMBER 32 +#define FILTERBANK_BANDS 18 +#define HAN_SIZE 512 + + +/* MPEG Header Definitions - ID Bit Values */ + +#define MPEG_1 0 +#define MPEG_2 1 +#define MPEG_2_5 2 +#define INVALID_VERSION -1 + +/* MPEG Header Definitions - Mode Values */ + +#define MPG_MD_STEREO 0 +#define MPG_MD_JOINT_STEREO 1 +#define MPG_MD_DUAL_CHANNEL 2 +#define MPG_MD_MONO 3 + + + +#define LEFT 0 +#define RIGHT 1 + + +#define SYNC_WORD (int32)0x7ff +#define SYNC_WORD_LNGTH 11 + +/*---------------------------------------------------------------------------- +; EXTERNAL VARIABLES REFERENCES +; Declare variables used in this module but defined elsewhere +----------------------------------------------------------------------------*/ + +/*---------------------------------------------------------------------------- +; SIMPLE TYPEDEF'S +----------------------------------------------------------------------------*/ + +/*---------------------------------------------------------------------------- +; ENUMERATED TYPEDEF'S +----------------------------------------------------------------------------*/ +#ifdef __cplusplus +extern "C" +{ +#endif + + /*---------------------------------------------------------------------------- + ; STRUCTURES TYPEDEF'S + ----------------------------------------------------------------------------*/ + + /* Header Information Structure */ + + typedef struct + { + int32 version_x; + int32 layer_description; + int32 error_protection; + int32 bitrate_index; + int32 sampling_frequency; + int32 padding; + int32 extension; + int32 mode; + int32 mode_ext; + int32 copyright; + int32 original; + int32 emphasis; + } mp3Header; + + + /* Layer III side information. */ + + typedef struct + { + uint32 part2_3_length; + uint32 big_values; + int32 global_gain; + uint32 scalefac_compress; + uint32 window_switching_flag; + uint32 block_type; + uint32 mixed_block_flag; + uint32 table_select[3]; + uint32 subblock_gain[3]; + uint32 region0_count; + uint32 region1_count; + uint32 preflag; + uint32 scalefac_scale; + uint32 count1table_select; + + } granuleInfo; + + typedef struct + { + uint32 scfsi[4]; + granuleInfo gran[2]; + + } channelInfo; + + /* Layer III side info. */ + + typedef struct + { + uint32 main_data_begin; + uint32 private_bits; + channelInfo ch[2]; + + } mp3SideInfo; + + /* Layer III scale factors. */ + typedef struct + { + int32 l[23]; /* [cb] */ + int32 s[3][13]; /* [window][cb] */ + + } mp3ScaleFactors; + + +#ifdef __cplusplus +} +#endif + +/*---------------------------------------------------------------------------- +; GLOBAL FUNCTION DEFINITIONS +; Function Prototype declaration +----------------------------------------------------------------------------*/ + +/*---------------------------------------------------------------------------- +; END +----------------------------------------------------------------------------*/ + +#endif + + + diff --git a/sources/pvmp3dec/src/pvmp3_decode_header.cpp b/sources/pvmp3dec/src/pvmp3_decode_header.cpp new file mode 100644 index 00000000..d443b7cc --- /dev/null +++ b/sources/pvmp3dec/src/pvmp3_decode_header.cpp @@ -0,0 +1,194 @@ +/* ------------------------------------------------------------------ + * Copyright (C) 1998-2009 PacketVideo + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either + * express or implied. + * See the License for the specific language governing permissions + * and limitations under the License. + * ------------------------------------------------------------------- + */ +/* +------------------------------------------------------------------------------ + + PacketVideo Corp. + MP3 Decoder Library + + Filename: pvmp3_decode_header.cpp + + Date: 09/21/2007 + +------------------------------------------------------------------------------ + REVISION HISTORY + + + Description: + +------------------------------------------------------------------------------ + INPUT AND OUTPUT DEFINITIONS + +Input + tbits *inputStream, bit stream + mp3Header *info, + uint32 *crc + Returns + + mp3Header *info, structure holding the parsed mp3 header info + uint32 *crc initialized crc computation + + +------------------------------------------------------------------------------ + FUNCTION DESCRIPTION + + gets mp3 header information + +------------------------------------------------------------------------------ + REQUIREMENTS + + +------------------------------------------------------------------------------ + REFERENCES + + [1] ISO MPEG Audio Subgroup Software Simulation Group (1996) + ISO 13818-3 MPEG-2 Audio Decoder - Lower Sampling Frequency Extension + +------------------------------------------------------------------------------ + PSEUDO-CODE + +------------------------------------------------------------------------------ +*/ + + +/*---------------------------------------------------------------------------- +; INCLUDES +----------------------------------------------------------------------------*/ + +#include "pvmp3_decode_header.h" +#include "pvmp3_crc.h" +#include "pvmp3_getbits.h" +#include "pvmp3_seek_synch.h" + + +/*---------------------------------------------------------------------------- +; MACROS +; Define module specific macros here +----------------------------------------------------------------------------*/ + + +/*---------------------------------------------------------------------------- +; DEFINES +; Include all pre-processor statements here. Include conditional +; compile variables also. +----------------------------------------------------------------------------*/ + +/*---------------------------------------------------------------------------- +; LOCAL FUNCTION DEFINITIONS +; Function Prototype declaration +----------------------------------------------------------------------------*/ + +/*---------------------------------------------------------------------------- +; LOCAL STORE/BUFFER/POINTER DEFINITIONS +; Variable declaration - defined here and used outside this module +----------------------------------------------------------------------------*/ + +/*---------------------------------------------------------------------------- +; EXTERNAL FUNCTION REFERENCES +; Declare functions defined elsewhere and referenced in this module +----------------------------------------------------------------------------*/ + +/*---------------------------------------------------------------------------- +; EXTERNAL GLOBAL STORE/BUFFER/POINTER REFERENCES +; Declare variables used in this module but defined elsewhere +----------------------------------------------------------------------------*/ + +/*---------------------------------------------------------------------------- +; FUNCTION CODE +----------------------------------------------------------------------------*/ + +ERROR_CODE pvmp3_decode_header(tmp3Bits *inputStream, + mp3Header *info, + uint32 *crc) +{ + + ERROR_CODE err = NO_DECODING_ERROR; + uint32 temp; + + /* + * Verify that at least the header is complete + * Note that SYNC_WORD_LNGTH is in unit of bits, but inputBufferCurrentLength + * is in unit of bytes. + */ + if (inputStream->inputBufferCurrentLength < ((SYNC_WORD_LNGTH + 21) >> 3)) + { + return NO_ENOUGH_MAIN_DATA_ERROR; + } + + /* + * MPEG Audio Version ID + */ + temp = getUpTo17bits(inputStream, SYNC_WORD_LNGTH); + if ((temp & SYNC_WORD) != SYNC_WORD) + { + err = pvmp3_header_sync(inputStream); + + if (err != NO_DECODING_ERROR) + { + return err; + } + } + + temp = getNbits(inputStream, 21); // to avoid multiple bitstream accesses + + + switch (temp >> 19) /* 2 */ + { + case 0: + info->version_x = MPEG_2_5; + break; + case 2: + info->version_x = MPEG_2; + break; + case 3: + info->version_x = MPEG_1; + break; + default: + info->version_x = INVALID_VERSION; + err = UNSUPPORTED_LAYER; + break; + } + + info->layer_description = 4 - ((temp << 13) >> 30); /* 2 */ + info->error_protection = !((temp << 15) >> 31); /* 1 */ + + if (info->error_protection) + { + *crc = 0xffff; /* CRC start value */ + calculate_crc((temp << 16) >> 16, 16, crc); + } + + info->bitrate_index = (temp << 16) >> 28; /* 4 */ + info->sampling_frequency = (temp << 20) >> 30; /* 2 */ + info->padding = (temp << 22) >> 31; /* 1 */ + info->extension = (temp << 23) >> 31; /* 1 */ + info->mode = (temp << 24) >> 30; /* 2 */ + info->mode_ext = (temp << 26) >> 30; /* 2 */ + info->copyright = (temp << 27) >> 31; /* 1 */ + info->original = (temp << 28) >> 31; /* 1 */ + info->emphasis = (temp << 30) >> 30; /* 2 */ + + + if (!info->bitrate_index || info->sampling_frequency == 3) + { + err = UNSUPPORTED_FREE_BITRATE; + } + + return(err); +} + diff --git a/sources/pvmp3dec/src/pvmp3_decode_header.h b/sources/pvmp3dec/src/pvmp3_decode_header.h new file mode 100644 index 00000000..2c2e89e4 --- /dev/null +++ b/sources/pvmp3dec/src/pvmp3_decode_header.h @@ -0,0 +1,101 @@ +/* ------------------------------------------------------------------ + * Copyright (C) 1998-2009 PacketVideo + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either + * express or implied. + * See the License for the specific language governing permissions + * and limitations under the License. + * ------------------------------------------------------------------- + */ +/* +------------------------------------------------------------------------------ + PacketVideo Corp. + MP3 Decoder Library + + Filename: pvmp3_decode_header.h + + Date: 09/21/2007 + +------------------------------------------------------------------------------ + REVISION HISTORY + + Description: + +------------------------------------------------------------------------------ + INCLUDE DESCRIPTION + +------------------------------------------------------------------------------ +*/ + +/*---------------------------------------------------------------------------- +; CONTINUE ONLY IF NOT ALREADY DEFINED +----------------------------------------------------------------------------*/ +#ifndef PVMP3_DECODE_HEADER_H +#define PVMP3_DECODE_HEADER_H + +/*---------------------------------------------------------------------------- +; INCLUDES +----------------------------------------------------------------------------*/ + +#include "pvmp3_audio_type_defs.h" +#include "pvmp3_dec_defs.h" +#include "s_mp3bits.h" + +/*---------------------------------------------------------------------------- +; MACROS +; Define module specific macros here +----------------------------------------------------------------------------*/ + +/*---------------------------------------------------------------------------- +; DEFINES +; Include all pre-processor statements here. +----------------------------------------------------------------------------*/ + +/*---------------------------------------------------------------------------- +; EXTERNAL VARIABLES REFERENCES +; Declare variables used in this module but defined elsewhere +----------------------------------------------------------------------------*/ + +/*---------------------------------------------------------------------------- +; SIMPLE TYPEDEF'S +----------------------------------------------------------------------------*/ + +/*---------------------------------------------------------------------------- +; ENUMERATED TYPEDEF'S +----------------------------------------------------------------------------*/ + +/*---------------------------------------------------------------------------- +; STRUCTURES TYPEDEF'S +----------------------------------------------------------------------------*/ + +/*---------------------------------------------------------------------------- +; GLOBAL FUNCTION DEFINITIONS +; Function Prototype declaration +----------------------------------------------------------------------------*/ + +#ifdef __cplusplus +extern "C" +{ +#endif + + ERROR_CODE pvmp3_decode_header(tmp3Bits *inputStream, + mp3Header *info, + uint32 *crc); + +#ifdef __cplusplus +} +#endif + +/*---------------------------------------------------------------------------- +; END +----------------------------------------------------------------------------*/ +#endif + diff --git a/sources/pvmp3dec/src/pvmp3_decode_huff_cw.cpp b/sources/pvmp3dec/src/pvmp3_decode_huff_cw.cpp new file mode 100644 index 00000000..6e45a18a --- /dev/null +++ b/sources/pvmp3dec/src/pvmp3_decode_huff_cw.cpp @@ -0,0 +1,758 @@ +/* ------------------------------------------------------------------ + * Copyright (C) 1998-2009 PacketVideo + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either + * express or implied. + * See the License for the specific language governing permissions + * and limitations under the License. + * ------------------------------------------------------------------- + */ +/* +------------------------------------------------------------------------------ + + PacketVideo Corp. + MP3 Decoder Library + + Filename: pvmp3_decode_huff_cw.cpp + + Funtions: + pvmp3_decode_huff_cw_tab0 + pvmp3_decode_huff_cw_tab1 + pvmp3_decode_huff_cw_tab2 + pvmp3_decode_huff_cw_tab3 + pvmp3_decode_huff_cw_tab5 + pvmp3_decode_huff_cw_tab6 + pvmp3_decode_huff_cw_tab7 + pvmp3_decode_huff_cw_tab8 + pvmp3_decode_huff_cw_tab9 + pvmp3_decode_huff_cw_tab10 + pvmp3_decode_huff_cw_tab11 + pvmp3_decode_huff_cw_tab12 + pvmp3_decode_huff_cw_tab13 + pvmp3_decode_huff_cw_tab15 + pvmp3_decode_huff_cw_tab16 + pvmp3_decode_huff_cw_tab24 + pvmp3_decode_huff_cw_tab32 + pvmp3_decode_huff_cw_tab33 + + Date: 09/21/2007 + +------------------------------------------------------------------------------ + REVISION HISTORY + + + Description: + +------------------------------------------------------------------------------ + INPUT AND OUTPUT DEFINITIONS + + Inputs: + BITS *pMainData = pointer to input mp3 Main data bit stream + + + Outputs: + cw = bit field extracted from a leaf entry of packed mp3 Huffman Tables + + +------------------------------------------------------------------------------ + FUNCTION DESCRIPTION + + These functions are used to decode huffman codewords from the input + bitstream using combined binary search and look-up table approach. + +------------------------------------------------------------------------------ + REQUIREMENTS + + +------------------------------------------------------------------------------ + REFERENCES + [1] ISO MPEG Audio Subgroup Software Simulation Group (1996) + ISO 13818-3 MPEG-2 Audio Decoder - Lower Sampling Frequency Extension + + [2] Introduction to Algorithms, + Thomas H. Cormen, Charles E. Leiserson, Ronald L. Rivest. + The MIT press, 1990 + + [3] "Selecting an Optimal Huffman Decoder for AAC", + Vladimir Z. Mesarovic, et al. + AES 111th Convention, September 21-24, 2001, New York, USA + +------------------------------------------------------------------------------ + PSEUDO-CODE + +------------------------------------------------------------------------------ +*/ + + +/*---------------------------------------------------------------------------- +; INCLUDES +----------------------------------------------------------------------------*/ +#include "pv_mp3dec_fxd_op.h" +#include "pvmp3_tables.h" +#include "pvmp3_getbits.h" +#include "pvmp3_decode_huff_cw.h" + +/*---------------------------------------------------------------------------- +; MACROS +; Define module specific macros here +----------------------------------------------------------------------------*/ + + +/*---------------------------------------------------------------------------- +; DEFINES +; Include all pre-processor statements here. Include conditional +; compile variables also. +----------------------------------------------------------------------------*/ + + +/*---------------------------------------------------------------------------- +; LOCAL FUNCTION DEFINITIONS +; Function Prototype declaration +----------------------------------------------------------------------------*/ + +/*---------------------------------------------------------------------------- +; LOCAL STORE/BUFFER/POINTER DEFINITIONS +; Variable declaration - defined here and used outside this module +----------------------------------------------------------------------------*/ + +/*---------------------------------------------------------------------------- +; EXTERNAL FUNCTION REFERENCES +; Declare functions defined elsewhere and referenced in this module +----------------------------------------------------------------------------*/ + +/*---------------------------------------------------------------------------- +; EXTERNAL GLOBAL STORE/BUFFER/POINTER REFERENCES +; Declare variables used in this module but defined elsewhere +----------------------------------------------------------------------------*/ + +/*---------------------------------------------------------------------------- +; FUNCTION CODE +----------------------------------------------------------------------------*/ + +uint16 pvmp3_decode_huff_cw_tab0(tmp3Bits *pMainData) +{ + OSCL_UNUSED_ARG(pMainData); + return(0); + +} + +/*---------------------------------------------------------------------------- +; FUNCTION CODE +----------------------------------------------------------------------------*/ +uint16 pvmp3_decode_huff_cw_tab1(tmp3Bits *pMainData) +{ + uint32 tmp; + uint16 cw; + + tmp = getUpTo9bits(pMainData, 3); /* hufftable1 */ + + cw = *(huffTable_1 + tmp); + pMainData->usedBits -= (3 - (cw & 0xFF)); + return(cw >> 8); + +} + + +/*---------------------------------------------------------------------------- +; FUNCTION CODE +----------------------------------------------------------------------------*/ +uint16 pvmp3_decode_huff_cw_tab2(tmp3Bits *pMainData) +{ + uint32 tmp; + uint16 cw; + + tmp = getUpTo9bits(pMainData, 6); /* huffTable_2,3 */ + + if (tmp >> 3) + { + tmp = (tmp >> 3) - 1; + } + else + { + tmp = tmp + 7; + } + + cw = *(huffTable_2 + tmp); + pMainData->usedBits -= (6 - (cw & 0xFF)); + + return(cw >> 8); +} + + +/*---------------------------------------------------------------------------- +; FUNCTION CODE +----------------------------------------------------------------------------*/ +uint16 pvmp3_decode_huff_cw_tab3(tmp3Bits *pMainData) +{ + uint32 tmp; + uint16 cw; + + tmp = getUpTo9bits(pMainData, 6); /* huffTable_2,3 */ + + if (tmp >> 3) + { + tmp = (tmp >> 3) - 1; + } + else + { + tmp = tmp + 7; + } + + cw = *(huffTable_3 + tmp); + pMainData->usedBits -= (6 - (cw & 0xFF)); + + return(cw >> 8); +} + + +/*---------------------------------------------------------------------------- +; FUNCTION CODE +----------------------------------------------------------------------------*/ +uint16 pvmp3_decode_huff_cw_tab5(tmp3Bits *pMainData) +{ + uint32 tmp; + uint16 cw; + + tmp = getUpTo9bits(pMainData, 8); /* huffTable_5 */ + + if ((tmp >> 5)) + { + tmp = (tmp >> 5) - 1; + } + else if ((tmp >> 1) >= 2) + { + tmp = (tmp >> 1) - 2 + 7; + } + else + { + tmp = (tmp & 3) + 21; + } + + cw = *(huffTable_5 + tmp); + pMainData->usedBits -= (8 - (cw & 0xFF)); + + return(cw >> 8); +} + +/*---------------------------------------------------------------------------- +; FUNCTION CODE +----------------------------------------------------------------------------*/ +uint16 pvmp3_decode_huff_cw_tab6(tmp3Bits *pMainData) +{ + uint32 tmp; + uint16 cw; + + tmp = getUpTo9bits(pMainData, 7); /* huffTable_6 */ + if ((tmp >> 3) >= 3) + { + tmp = (tmp >> 3) - 3; + } + else if (tmp >> 1) + { + tmp = (tmp >> 1) - 1 + 13; + } + else + { + tmp = tmp + 24; + } + + cw = *(huffTable_6 + tmp); + pMainData->usedBits -= (7 - (cw & 0xFF)); + + return(cw >> 8); +} + + +/*---------------------------------------------------------------------------- +; FUNCTION CODE +----------------------------------------------------------------------------*/ +uint16 pvmp3_decode_huff_cw_tab7(tmp3Bits *pMainData) +{ + uint32 tmp; + uint16 cw; + + tmp = getUpTo17bits(pMainData, 10); /* huffTable_7 */ + if ((tmp >> 7) >= 2) + { + tmp = (tmp >> 7) - 2; + } + else if ((tmp >> 4) >= 7) + { + tmp = (tmp >> 4) - 7 + 6; + } + else if ((tmp >> 1) >= 2) + { + tmp = (tmp >> 1) - 2 + 15; + } + else + { + tmp = (tmp & 3) + 69; + } + + cw = *(huffTable_7 + tmp); + pMainData->usedBits -= (10 - (cw & 0xFF)); + + return(cw >> 8); +} + + +/*---------------------------------------------------------------------------- +; FUNCTION CODE +----------------------------------------------------------------------------*/ +uint16 pvmp3_decode_huff_cw_tab8(tmp3Bits *pMainData) +{ + uint32 tmp; + uint16 cw; + + tmp = getUpTo17bits(pMainData, 11); /* huffTable_8 */ + if ((tmp >> 7) >= 2) + { + tmp = (tmp >> 7) - 2; + } + else if ((tmp >> 5) >= 5) + { + tmp = (tmp >> 5) - 5 + 14; + } + else if ((tmp >> 2) >= 3) + { + tmp = (tmp >> 2) - 3 + 17; + } + else + { + tmp = (tmp) + 54; + } + + cw = *(huffTable_8 + tmp); + pMainData->usedBits -= (11 - (cw & 0xFF)); + + return(cw >> 8); +} + + +/*---------------------------------------------------------------------------- +; FUNCTION CODE +----------------------------------------------------------------------------*/ +uint16 pvmp3_decode_huff_cw_tab9(tmp3Bits *pMainData) +{ + uint32 tmp; + uint16 cw; + + tmp = getUpTo9bits(pMainData, 9); /* huffTable_9 */ + if ((tmp >> 5) >= 5) + { + tmp = (tmp >> 5) - 5; + } + else if ((tmp >> 3) >= 6) + { + tmp = (tmp >> 3) - 6 + 11; + } + else if ((tmp >> 1) >= 4) + { + tmp = (tmp >> 1) - 4 + 25; + } + else + { + tmp = tmp + 45; + } + + cw = *(huffTable_9 + tmp); + pMainData->usedBits -= (9 - (cw & 0xFF)); + + return(cw >> 8); +} + + +/*---------------------------------------------------------------------------- +; FUNCTION CODE +----------------------------------------------------------------------------*/ +uint16 pvmp3_decode_huff_cw_tab10(tmp3Bits *pMainData) +{ + uint32 tmp; + uint16 cw; + + tmp = getUpTo17bits(pMainData, 11); /* huffTable_10 */ + if (tmp >> 10) + { + tmp = (tmp >> 10) - 1; + } + else if ((tmp >> 7) >= 3) + { + tmp = (tmp >> 7) - 3 + 1; + } + else if ((tmp >> 5) >= 8) + { + tmp = (tmp >> 5) - 8 + 6; + } + else if ((tmp >> 3) >= 18) + { + tmp = (tmp >> 3) - 18 + 10; + } + else if ((tmp >> 2) >= 24) + { + tmp = (tmp >> 2) - 24 + 24; + } + else if ((tmp >> 1) >= 12) + { + tmp = (tmp >> 1) - 12 + 36; + } + else + { + tmp = (tmp) + 72; + } + + cw = *(huffTable_10 + tmp); + pMainData->usedBits -= (11 - (cw & 0xFF)); + + return(cw >> 8); +} + + +/*---------------------------------------------------------------------------- +; FUNCTION CODE +----------------------------------------------------------------------------*/ +uint16 pvmp3_decode_huff_cw_tab11(tmp3Bits *pMainData) +{ + uint32 tmp; + uint16 cw; + + tmp = getUpTo17bits(pMainData, 11); /* huffTable_11 */ + if ((tmp >> 8) >= 3) + { + tmp = (tmp >> 8) - 3; + } + else if ((tmp >> 6) >= 7) + { + tmp = (tmp >> 6) - 7 + 5; + } + else if ((tmp >> 3) >= 32) + { + tmp = (tmp >> 3) - 32 + 10; + } + else if ((tmp >> 2) >= 10) + { + tmp = (tmp >> 2) - 10 + 34; + } + else if ((tmp >> 1) >= 8) + { + tmp = (tmp >> 1) - 8 + 88; + } + else + { + tmp = (tmp & 0xFF) + 100; + } + cw = *(huffTable_11 + tmp); + pMainData->usedBits -= (11 - (cw & 0xFF)); + + return(cw >> 8); +} + + +/*---------------------------------------------------------------------------- +; FUNCTION CODE +----------------------------------------------------------------------------*/ +uint16 pvmp3_decode_huff_cw_tab12(tmp3Bits *pMainData) +{ + uint32 tmp; + uint16 cw; + + tmp = getUpTo17bits(pMainData, 10); /* huffTable_12 */ + if ((tmp >> 7) >= 5) + { + tmp = (tmp >> 7) - 5; + } + else if ((tmp >> 5) >= 12) + { + tmp = (tmp >> 5) - 12 + 3; + } + else if ((tmp >> 4) >= 17) + { + tmp = (tmp >> 4) - 17 + 11; + } + else if ((tmp >> 2) >= 32) + { + tmp = (tmp >> 2) - 32 + 18; + } + else if ((tmp >> 1) >= 16) + { + tmp = (tmp >> 1) - 16 + 54; + } + else + { + tmp = (tmp & 0x1F) + 102; + + } + cw = *(huffTable_12 + tmp); + pMainData->usedBits -= (10 - (cw & 0xFF)); + + return(cw >> 8); +} + + +/*---------------------------------------------------------------------------- +; FUNCTION CODE +----------------------------------------------------------------------------*/ +uint16 pvmp3_decode_huff_cw_tab13(tmp3Bits *pMainData) +{ + uint32 tmp; + uint16 cw; + + tmp = getNbits(pMainData, 19); /* huffTable_13 */ + if (tmp >> 18) + { + tmp = 0; + } + else if ((tmp >> 15) >= 4) + { + tmp = (tmp >> 15) - 4 + 1; + } + else if ((tmp >> 11) >= 32) + { + tmp = (tmp >> 11) - 32 + 5; + } + else if ((tmp >> 9) >= 64) + { + tmp = (tmp >> 9) - 64 + 37; + } + else if ((tmp >> 8) >= 64) + { + tmp = (tmp >> 8) - 64 + 101; + } + else if ((tmp >> 7) >= 64) + { + tmp = (tmp >> 7) - 64 + 165; + } + else if ((tmp >> 6) >= 32) + { + tmp = (tmp >> 6) - 32 + 229; + } + else if ((tmp >> 5) >= 32) + { + tmp = (tmp >> 5) - 32 + 325; + } + else if ((tmp >> 4) >= 32) + { + tmp = (tmp >> 4) - 32 + 357; + } + else if ((tmp >> 3) >= 32) + { + tmp = (tmp >> 3) - 32 + 389; + } + else if ((tmp >> 2) >= 2) + { + tmp = (tmp >> 2) - 2 + 421; + } + else + { + tmp = (tmp & 0x7) + 483; + } + + cw = *(huffTable_13 + tmp); + pMainData->usedBits -= (19 - (cw & 0xFF)); + + return(cw >> 8); +} + + +/*---------------------------------------------------------------------------- +; FUNCTION CODE +----------------------------------------------------------------------------*/ +uint16 pvmp3_decode_huff_cw_tab15(tmp3Bits *pMainData) +{ + uint32 tmp; + uint16 cw; + + tmp = getUpTo17bits(pMainData, 13); /* huffTable_15 */ + if ((tmp >> 9) >= 10) + { + tmp = (tmp >> 9) - 10; + } + else if ((tmp >> 6) >= 39) + { + tmp = (tmp >> 6) - 39 + 6; + } + else if ((tmp >> 4) >= 62) + { + tmp = (tmp >> 4) - 62 + 47; + } + else if ((tmp >> 3) >= 60) + { + tmp = (tmp >> 3) - 60 + 141; + } + else if ((tmp >> 2) >= 64) + { + tmp = (tmp >> 2) - 64 + 205; + } + else if ((tmp >> 1) >= 32) + { + tmp = (tmp >> 1) - 32 + 261; + } + else + { + tmp = (tmp & 0x3f) + 357; + } + + cw = *(huffTable_15 + tmp); + pMainData->usedBits -= (13 - (cw & 0xFF)); + + return(cw >> 8); +} + + +/*---------------------------------------------------------------------------- +; FUNCTION CODE +----------------------------------------------------------------------------*/ +uint16 pvmp3_decode_huff_cw_tab16(tmp3Bits *pMainData) +{ + uint32 tmp; + uint16 cw; + + tmp = getUpTo17bits(pMainData, 17); /* huffTable_16 */ + if (tmp >> 16) + { + tmp = 0; + } + else if ((tmp >> 13) >= 4) + { + tmp = (tmp >> 13) - 4 + 1; + } + else if ((tmp >> 9) >= 38) + { + tmp = (tmp >> 9) - 38 + 5; + } + else if ((tmp >> 7) >= 94) + { + tmp = (tmp >> 7) - 94 + 31; + } + else if ((tmp >> 5) >= 214) + { + tmp = (tmp >> 5) - 214 + 89; + } + else if ((tmp >> 3) >= 704) + { + if ((tmp >> 4) >= 384) + { + tmp = (tmp >> 4) - 384 + 315; + } + else + { + tmp = (tmp >> 3) - 704 + 251; + } + } + else if ((tmp >> 8) >= 14) + { + tmp = (tmp >> 8) - 14 + 359; + } + else if ((tmp) >= 3456) + { + if ((tmp >> 2) >= 868) + { + tmp = (tmp >> 2) - 868 + 383; + } + else + { + tmp = (tmp) - 3456 + 367; + } + } + else + { + tmp = ((tmp >> 6) & 0x3f) + 411; + } + + cw = *(huffTable_16 + tmp); + pMainData->usedBits -= (17 - (cw & 0xFF)); + + return(cw >> 8); +} + + + +/*---------------------------------------------------------------------------- +; FUNCTION CODE +----------------------------------------------------------------------------*/ +uint16 pvmp3_decode_huff_cw_tab24(tmp3Bits *pMainData) +{ + uint32 tmp; + uint16 cw; + + tmp = getUpTo17bits(pMainData, 12); /* huffTable_24 */ + if ((tmp >> 6) >= 41) + { + tmp = (tmp >> 6) - 41; + } + else if ((tmp >> 3) >= 218) + { + tmp = (tmp >> 3) - 218 + 23; + } + else if ((tmp >> 2) >= 336) + { + tmp = (tmp >> 2) - 336 + 133; + } + else if ((tmp >> 1) >= 520) + { + tmp = (tmp >> 1) - 520 + 233; + } + else if ((tmp) >= 1024) + { + tmp = (tmp) - 1024 + 385; + } + else if ((tmp >> 1) >= 352) + { + if ((tmp >> 8) == 3) + { + tmp = (tmp >> 8) - 3 + 433; + } + else + { + tmp = (tmp >> 1) - 352 + 401; + } + } + else + { + tmp = ((tmp >> 4) & 0x3f) + 434; + } + + cw = *(huffTable_24 + tmp); + pMainData->usedBits -= (12 - (cw & 0xFF)); + + return(cw >> 8); +} + + +/*---------------------------------------------------------------------------- +; FUNCTION CODE +----------------------------------------------------------------------------*/ +uint16 pvmp3_decode_huff_cw_tab32(tmp3Bits *pMainData) +{ + uint32 tmp = getUpTo9bits(pMainData, 6); /* huffTable_32 */ + if ((tmp >> 5)) + { + pMainData->usedBits -= 5; + return(0); + } + else + { + uint16 cw = *(huffTable_32 + (tmp & 0x1f)); + pMainData->usedBits -= (6 - (cw & 0xFF)); + + return(cw >> 8); + } + +} + + +uint16 pvmp3_decode_huff_cw_tab33(tmp3Bits *pMainData) +{ + + uint16 tmp = getUpTo9bits(pMainData, 4); /* huffTable_33 */ + + return((0x0f - tmp)); +} + diff --git a/sources/pvmp3dec/src/pvmp3_decode_huff_cw.h b/sources/pvmp3dec/src/pvmp3_decode_huff_cw.h new file mode 100644 index 00000000..941ca6d8 --- /dev/null +++ b/sources/pvmp3dec/src/pvmp3_decode_huff_cw.h @@ -0,0 +1,114 @@ +/* ------------------------------------------------------------------ + * Copyright (C) 1998-2009 PacketVideo + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either + * express or implied. + * See the License for the specific language governing permissions + * and limitations under the License. + * ------------------------------------------------------------------- + */ +/* +------------------------------------------------------------------------------ + PacketVideo Corp. + MP3 Decoder Library + + Filename: pvmp3_decode_huff_cw.h + + Date: 09/21/2007 + +------------------------------------------------------------------------------ + REVISION HISTORY + + Description: + +------------------------------------------------------------------------------ + INCLUDE DESCRIPTION + +------------------------------------------------------------------------------ +*/ + +/*---------------------------------------------------------------------------- +; CONTINUE ONLY IF NOT ALREADY DEFINED +----------------------------------------------------------------------------*/ +#ifndef PVMP3_DECODE_HUFF_CW_H +#define PVMP3_DECODE_HUFF_CW_H + +/*---------------------------------------------------------------------------- +; INCLUDES +----------------------------------------------------------------------------*/ + +#include "pvmp3_audio_type_defs.h" +#include "pvmp3_dec_defs.h" + +/*---------------------------------------------------------------------------- +; MACROS +; Define module specific macros here +----------------------------------------------------------------------------*/ + +/*---------------------------------------------------------------------------- +; DEFINES +; Include all pre-processor statements here. +----------------------------------------------------------------------------*/ + +/*---------------------------------------------------------------------------- +; EXTERNAL VARIABLES REFERENCES +; Declare variables used in this module but defined elsewhere +----------------------------------------------------------------------------*/ + +/*---------------------------------------------------------------------------- +; SIMPLE TYPEDEF'S +----------------------------------------------------------------------------*/ + +/*---------------------------------------------------------------------------- +; ENUMERATED TYPEDEF'S +----------------------------------------------------------------------------*/ + +/*---------------------------------------------------------------------------- +; STRUCTURES TYPEDEF'S +----------------------------------------------------------------------------*/ + +/*---------------------------------------------------------------------------- +; GLOBAL FUNCTION DEFINITIONS +; Function Prototype declaration +----------------------------------------------------------------------------*/ + +#ifdef __cplusplus +extern "C" +{ +#endif + + uint16 pvmp3_decode_huff_cw_tab0(tmp3Bits *); + uint16 pvmp3_decode_huff_cw_tab1(tmp3Bits *); + uint16 pvmp3_decode_huff_cw_tab2(tmp3Bits *); + uint16 pvmp3_decode_huff_cw_tab3(tmp3Bits *); + uint16 pvmp3_decode_huff_cw_tab5(tmp3Bits *); + uint16 pvmp3_decode_huff_cw_tab6(tmp3Bits *); + uint16 pvmp3_decode_huff_cw_tab7(tmp3Bits *); + uint16 pvmp3_decode_huff_cw_tab8(tmp3Bits *); + uint16 pvmp3_decode_huff_cw_tab9(tmp3Bits *); + uint16 pvmp3_decode_huff_cw_tab10(tmp3Bits *); + uint16 pvmp3_decode_huff_cw_tab11(tmp3Bits *); + uint16 pvmp3_decode_huff_cw_tab12(tmp3Bits *); + uint16 pvmp3_decode_huff_cw_tab13(tmp3Bits *); + uint16 pvmp3_decode_huff_cw_tab15(tmp3Bits *); + uint16 pvmp3_decode_huff_cw_tab16(tmp3Bits *); + uint16 pvmp3_decode_huff_cw_tab24(tmp3Bits *); + uint16 pvmp3_decode_huff_cw_tab32(tmp3Bits *); + uint16 pvmp3_decode_huff_cw_tab33(tmp3Bits *); +#ifdef __cplusplus +} +#endif + +/*---------------------------------------------------------------------------- +; END +----------------------------------------------------------------------------*/ +#endif + diff --git a/sources/pvmp3dec/src/pvmp3_dequantize_sample.cpp b/sources/pvmp3dec/src/pvmp3_dequantize_sample.cpp new file mode 100644 index 00000000..69e19877 --- /dev/null +++ b/sources/pvmp3dec/src/pvmp3_dequantize_sample.cpp @@ -0,0 +1,452 @@ +/* ------------------------------------------------------------------ + * Copyright (C) 1998-2009 PacketVideo + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either + * express or implied. + * See the License for the specific language governing permissions + * and limitations under the License. + * ------------------------------------------------------------------- + */ +/* +------------------------------------------------------------------------------ + + PacketVideo Corp. + MP3 Decoder Library + + Filename: pvmp3_dequantize_sample.cpp + + Functions: + power_1_third + pvmp3_dequantize_sample + + Date: 09/21/2007 + +------------------------------------------------------------------------------ + REVISION HISTORY + + + Description: + +------------------------------------------------------------------------------ + INPUT AND OUTPUT DEFINITIONS + +power_1_third +int32 power_1_third( int32 xx) + +Input + int32 xx, int32 in the [0, 8192] range + + Returns + + int32 xx^(1/3) int32 Q26 number representing + the 1/3 power of the input + +------------------------------------------------------------------------------ + INPUT AND OUTPUT DEFINITIONS + +pvmp3_dequantize_sample + +Input + int32 is[SUBBANDS_NUMBER*FILTERBANK_BANDS], + mp3ScaleFactors *scalefac, scale factor structure + struct gr_info_s *gr_info, granule structure informatiom + mp3Header *info mp3 header info + + Returns + + int32 is[SUBBANDS_NUMBER*FILTERBANK_BANDS], dequantize output as (.)^(4/3) + +------------------------------------------------------------------------------ + FUNCTION DESCRIPTION + + dequantize sample + +------------------------------------------------------------------------------ + REQUIREMENTS + + +------------------------------------------------------------------------------ + REFERENCES + + [1] ISO MPEG Audio Subgroup Software Simulation Group (1996) + ISO 13818-3 MPEG-2 Audio Decoder - Lower Sampling Frequency Extension + +------------------------------------------------------------------------------ + PSEUDO-CODE + +------------------------------------------------------------------------------ +*/ + + +/*---------------------------------------------------------------------------- +; INCLUDES +----------------------------------------------------------------------------*/ + +#include "pv_mp3dec_fxd_op.h" +#include "pvmp3_dec_defs.h" +#include "pvmp3_dequantize_sample.h" +#include "pvmp3_normalize.h" +#include "mp3_mem_funcs.h" +#include "pvmp3_tables.h" + +/*---------------------------------------------------------------------------- +; MACROS +; Define module specific macros here +----------------------------------------------------------------------------*/ + + +/*---------------------------------------------------------------------------- +; DEFINES +; Include all pre-processor statements here. Include conditional +; compile variables also. +----------------------------------------------------------------------------*/ +#define Q30_fmt(a)(int32(double(0x40000000)*a)) +#define Q29_fmt(a)(int32(double(0x20000000)*a)) + +/*---------------------------------------------------------------------------- +; LOCAL FUNCTION DEFINITIONS +; Function Prototype declaration +----------------------------------------------------------------------------*/ + +/*---------------------------------------------------------------------------- +; LOCAL STORE/BUFFER/POINTER DEFINITIONS +; Variable declaration - defined here and used outside this module +----------------------------------------------------------------------------*/ +const int32 pretab[22] = {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 2, 2, 3, 3, 3, 2, 0}; + +const int32 pow_2_1_fourth[4] = +{ + Q30_fmt(1.0), Q30_fmt(1.18920711500272), + Q30_fmt(1.41421356237310), Q30_fmt(1.68179283050743) +}; + +const int32 two_cubic_roots[7] = +{ + Q29_fmt(0), Q29_fmt(1.25992104989487), + Q29_fmt(1.58740105196820), Q29_fmt(2.00000000000000), + Q29_fmt(2.51984209978975), Q29_fmt(3.17480210393640), + Q29_fmt(3.99999999999999) +}; + +/*---------------------------------------------------------------------------- +; EXTERNAL FUNCTION REFERENCES +; Declare functions defined elsewhere and referenced in this module +----------------------------------------------------------------------------*/ + +/*---------------------------------------------------------------------------- +; EXTERNAL GLOBAL STORE/BUFFER/POINTER REFERENCES +; Declare variables used in this module but defined elsewhere +----------------------------------------------------------------------------*/ + +/*---------------------------------------------------------------------------- +; FUNCTION CODE +----------------------------------------------------------------------------*/ + + +int32 power_1_third(int32 xx) +{ + + if (xx <= 512) + { + return (power_one_third[xx] >> 1); + } + else + { + if (xx >> 15) + { + return 0x7FFFFFFF; /* saturate any value over 32767 */ + } + else + { + int32 x = xx; + int32 m = 22 - pvmp3_normalize(xx); + + xx >>= m; + xx = (power_one_third[xx]) + (((power_one_third[xx+1] - power_one_third[xx]) >> m) * (x & ((1 << m) - 1))); + return (fxp_mul32_Q30(xx, two_cubic_roots[m])); + } + + } +} + + +/*---------------------------------------------------------------------------- +; FUNCTION CODE +----------------------------------------------------------------------------*/ + + + +void pvmp3_dequantize_sample(int32 is[SUBBANDS_NUMBER*FILTERBANK_BANDS], + mp3ScaleFactors *scalefac, + granuleInfo *gr_info, + int32 used_freq_lines, + mp3Header *info) +{ + int32 ss; + int32 cb = 0; + int32 global_gain; + int32 sfreq = info->sampling_frequency + info->version_x + (info->version_x << 1); + + /* apply formula per block type */ + + if (gr_info->window_switching_flag && (gr_info->block_type == 2)) + { + int32 next_cb_boundary; + int32 cb_begin = 0; + int32 cb_width = 0; + int32 mixstart = 8; /* added 2003/08/21 efs */ + + if (info->version_x != MPEG_1) + { + mixstart = 6; /* different value in MPEG2 LSF */ + } + + if (gr_info->mixed_block_flag) + { + next_cb_boundary = mp3_sfBandIndex[sfreq].l[1]; /* LONG blocks: 0,1,3 */ + } + else + { + next_cb_boundary = mp3_sfBandIndex[sfreq].s[1] * 3; /* pure SHORT block */ + cb_width = 0; + } + + global_gain = gr_info->global_gain; + int32 two_raise_one_fourth = pow_2_1_fourth[global_gain&0x3]; + global_gain = 12 + (global_gain >> 2); + + for (ss = 0 ; ss < used_freq_lines ; ss++) + { + if (ss == next_cb_boundary) + { + cb++; /* critical band counter */ + if (gr_info->mixed_block_flag) + { + if (next_cb_boundary == mp3_sfBandIndex[sfreq].l[mixstart]) + { + next_cb_boundary = mp3_sfBandIndex[sfreq].s[4] * 3; + + cb_begin = mp3_sfBandIndex[sfreq].s[3] * 3; + cb_width = 3; + cb = 3; + } + else if (ss < mp3_sfBandIndex[sfreq].l[mixstart]) + { + next_cb_boundary = mp3_sfBandIndex[sfreq].l[cb+1]; + } + else + { + next_cb_boundary = mp3_sfBandIndex[sfreq].s[cb+1] * 3; + + cb_width = cb; + cb_begin = mp3_sfBandIndex[sfreq].s[cb] * 3; + } + + if (ss < 2*FILTERBANK_BANDS) + { /* 1st 2 subbands of switched blocks */ + global_gain = (gr_info->global_gain); + global_gain -= (1 + gr_info->scalefac_scale) * + (scalefac->l[cb] + gr_info->preflag * pretab[cb]) << 1; + + two_raise_one_fourth = pow_2_1_fourth[global_gain&0x3]; + global_gain = 12 + (global_gain >> 2); + } + } + else + { + next_cb_boundary = mp3_sfBandIndex[sfreq].s[cb+1] * 3; + cb_width = cb; + cb_begin = mp3_sfBandIndex[sfreq].s[cb] * 3; + } + + } /* end-if ( ss == next_cb_boundary) */ + + /* Do long/short dependent scaling operations. */ + if ((gr_info->mixed_block_flag == 0) || (gr_info->mixed_block_flag && (ss >= 2*FILTERBANK_BANDS))) + { + int32 temp2 = fxp_mul32_Q32((ss - cb_begin) << 16, mp3_shortwindBandWidths[sfreq][cb_width]); + temp2 = (temp2 + 1) >> 15; + + global_gain = (gr_info->global_gain); + global_gain -= gr_info->subblock_gain[temp2] << 3; + global_gain -= (1 + gr_info->scalefac_scale) * (scalefac->s[temp2][cb] << 1); + + two_raise_one_fourth = pow_2_1_fourth[global_gain&0x3]; + global_gain = 12 + (global_gain >> 2); + + } + + + /* + * xr[sb][ss] = 2^(global_gain/4) + */ + + /* Scale quantized value. */ + + /* 0 < abs(is[ss]) < 8192 */ + + int32 tmp = fxp_mul32_Q30((is[ss] << 16), power_1_third(pv_abs(is[ ss]))); + + tmp = fxp_mul32_Q30(tmp, two_raise_one_fourth); + + if (global_gain < 0) + { + int32 temp = - global_gain; + if (temp < 32) + { + is[ss] = (tmp >> temp); + } + else + { + is[ss] = 0; + } + } + else + { + is[ss] = (tmp << global_gain); + } + + } /* for (ss=0 ; ss < used_freq_lines ; ss++) */ + + } + else + { + + for (cb = 0 ; cb < 22 ; cb++) + { + + /* Compute overall (global) scaling. */ + + global_gain = (gr_info->global_gain); + + global_gain -= (1 + gr_info->scalefac_scale) * + (scalefac->l[cb] + gr_info->preflag * pretab[cb]) << 1; + + + int32 two_raise_one_fourth = pow_2_1_fourth[global_gain&0x3]; + global_gain = 12 + (global_gain >> 2); + + /* + * xr[sb][ss] = 2^(global_gain/4) + */ + + /* Scale quantized value. */ + + if (used_freq_lines >= mp3_sfBandIndex[sfreq].l[cb+1]) + { + if (global_gain <= 0) + { + global_gain = - global_gain; + if (global_gain < 32) + { + for (ss = mp3_sfBandIndex[sfreq].l[cb]; ss < mp3_sfBandIndex[sfreq].l[cb+1]; ss += 2) + { + int32 tmp = is[ss]; + if (tmp) + { + tmp = fxp_mul32_Q30((tmp << 16), power_1_third(pv_abs(tmp))); + is[ss] = fxp_mul32_Q30(tmp, two_raise_one_fourth) >> global_gain; + } + tmp = is[ss+1]; + if (tmp) + { + tmp = fxp_mul32_Q30((tmp << 16), power_1_third(pv_abs(tmp))); + is[ss+1] = fxp_mul32_Q30(tmp, two_raise_one_fourth) >> global_gain; + } + } + } + else + { + pv_memset(&is[ mp3_sfBandIndex[sfreq].l[cb]], + 0, + (mp3_sfBandIndex[sfreq].l[cb+1] - mp3_sfBandIndex[sfreq].l[cb])*sizeof(*is)); + } + } + else + { + for (ss = mp3_sfBandIndex[sfreq].l[cb]; ss < mp3_sfBandIndex[sfreq].l[cb+1]; ss += 2) + { + int32 tmp = is[ss]; + if (tmp) + { + tmp = fxp_mul32_Q30((tmp << 16), power_1_third(pv_abs(tmp))); + is[ss] = fxp_mul32_Q30(tmp, two_raise_one_fourth) << global_gain; + } + + tmp = is[ss+1]; + if (tmp) + { + tmp = fxp_mul32_Q30((tmp << 16), power_1_third(pv_abs(tmp))); + is[ss+1] = fxp_mul32_Q30(tmp, two_raise_one_fourth) << global_gain; + } + } + } + } + else + { + if (global_gain <= 0) + { + global_gain = - global_gain; + if (global_gain < 32) + { + for (ss = mp3_sfBandIndex[sfreq].l[cb]; ss < used_freq_lines; ss += 2) + { + int32 tmp = is[ss]; + if (tmp) + { + tmp = fxp_mul32_Q30((tmp << 16), power_1_third(pv_abs(tmp))); + is[ss] = fxp_mul32_Q30(tmp, two_raise_one_fourth) >> global_gain; + } + tmp = is[ss+1]; + if (tmp) + { + tmp = fxp_mul32_Q30((tmp << 16), power_1_third(pv_abs(tmp))); + is[ss+1] = fxp_mul32_Q30(tmp, two_raise_one_fourth) >> global_gain; + } + } + + } + else + { + pv_memset(&is[ mp3_sfBandIndex[sfreq].l[cb]], + 0, + (mp3_sfBandIndex[sfreq].l[cb+1] - mp3_sfBandIndex[sfreq].l[cb])*sizeof(*is)); + } + } + else + { + for (ss = mp3_sfBandIndex[sfreq].l[cb]; ss < used_freq_lines; ss++) + { + int32 tmp = is[ss]; + + if (tmp) + { + tmp = fxp_mul32_Q30((tmp << 16), power_1_third(pv_abs(tmp))); + is[ss] = fxp_mul32_Q30(tmp, two_raise_one_fourth) << global_gain; + } + } + } + + cb = 22; // force breaking out of the loop + + } /* if ( used_freq_lines >= mp3_sfBandIndex[sfreq].l[cb+1]) */ + + } /* for (cb=0 ; cb < 22 ; cb++) */ + + } /* if (gr_info->window_switching_flag && (gr_info->block_type == 2)) */ + + + pv_memset(&is[used_freq_lines], + 0, + (FILTERBANK_BANDS*SUBBANDS_NUMBER - used_freq_lines)*sizeof(*is)); + +} + diff --git a/sources/pvmp3dec/src/pvmp3_dequantize_sample.h b/sources/pvmp3dec/src/pvmp3_dequantize_sample.h new file mode 100644 index 00000000..9393eb11 --- /dev/null +++ b/sources/pvmp3dec/src/pvmp3_dequantize_sample.h @@ -0,0 +1,106 @@ +/* ------------------------------------------------------------------ + * Copyright (C) 1998-2009 PacketVideo + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either + * express or implied. + * See the License for the specific language governing permissions + * and limitations under the License. + * ------------------------------------------------------------------- + */ +/* +------------------------------------------------------------------------------ + PacketVideo Corp. + MP3 Decoder Library + + Filename: pvmp3_dequantize_sample.h + + Date: 09/21/2007 + +------------------------------------------------------------------------------ + REVISION HISTORY + + Description: + +------------------------------------------------------------------------------ + INCLUDE DESCRIPTION + +------------------------------------------------------------------------------ +*/ + +/*---------------------------------------------------------------------------- +; CONTINUE ONLY IF NOT ALREADY DEFINED +----------------------------------------------------------------------------*/ +#ifndef PVMP3_DEQUANTIZE_SAMPLE_H +#define PVMP3_DEQUANTIZE_SAMPLE_H + +/*---------------------------------------------------------------------------- +; INCLUDES +----------------------------------------------------------------------------*/ + +#include "pvmp3_dec_defs.h" +#include "pvmp3_audio_type_defs.h" + + +/*---------------------------------------------------------------------------- +; MACROS +; Define module specific macros here +----------------------------------------------------------------------------*/ + +/*---------------------------------------------------------------------------- +; DEFINES +; Include all pre-processor statements here. +----------------------------------------------------------------------------*/ + +/*---------------------------------------------------------------------------- +; EXTERNAL VARIABLES REFERENCES +; Declare variables used in this module but defined elsewhere +----------------------------------------------------------------------------*/ + +/*---------------------------------------------------------------------------- +; SIMPLE TYPEDEF'S +----------------------------------------------------------------------------*/ + +/*---------------------------------------------------------------------------- +; ENUMERATED TYPEDEF'S +----------------------------------------------------------------------------*/ + +/*---------------------------------------------------------------------------- +; STRUCTURES TYPEDEF'S +----------------------------------------------------------------------------*/ + +/*---------------------------------------------------------------------------- +; GLOBAL FUNCTION DEFINITIONS +; Function Prototype declaration +----------------------------------------------------------------------------*/ + +#ifdef __cplusplus +extern "C" +{ +#endif + + int32 power_1_third(int32 xx); + + void pvmp3_dequantize_sample(int32 is[SUBBANDS_NUMBER*FILTERBANK_BANDS], + mp3ScaleFactors *scalefac, + granuleInfo *gr_info, + int32 num_lines, + mp3Header *info); + +#ifdef __cplusplus +} +#endif + +/*---------------------------------------------------------------------------- +; END +----------------------------------------------------------------------------*/ +#endif + + diff --git a/sources/pvmp3dec/src/pvmp3_equalizer.cpp b/sources/pvmp3dec/src/pvmp3_equalizer.cpp new file mode 100644 index 00000000..f4a4efb1 --- /dev/null +++ b/sources/pvmp3dec/src/pvmp3_equalizer.cpp @@ -0,0 +1,415 @@ +/* ------------------------------------------------------------------ + * Copyright (C) 1998-2009 PacketVideo + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either + * express or implied. + * See the License for the specific language governing permissions + * and limitations under the License. + * ------------------------------------------------------------------- + */ +/* +------------------------------------------------------------------------------ + + PacketVideo Corp. + MP3 Decoder Library + + Filename: pvmp3_equalizer.cpp + + + Date: 09/21/2007 + +------------------------------------------------------------------------------ + REVISION HISTORY + + + Description: + +------------------------------------------------------------------------------ + INPUT AND OUTPUT DEFINITIONS + + Input + int32 *inData, pointer to the spectrum frequency-line + e_equalization equalizerType, equalization mode + int32 *pt_work_buff + + Output + int32 *pt_work_buff pointer to the equalized frequency-line + +------------------------------------------------------------------------------ + FUNCTION DESCRIPTION + + Equalizer + Each subband sample is scaled according to a spectrum shape setting + defined by "equalizerType" + +------------------------------------------------------------------------------ + REQUIREMENTS + + +------------------------------------------------------------------------------ + REFERENCES + +------------------------------------------------------------------------------ + PSEUDO-CODE + +------------------------------------------------------------------------------ +*/ + + +/*---------------------------------------------------------------------------- +; INCLUDES +----------------------------------------------------------------------------*/ + +#include "pvmp3_equalizer.h" +#include "pv_mp3dec_fxd_op.h" +#include "pvmp3_dec_defs.h" + +/*---------------------------------------------------------------------------- +; MACROS +; Define module specific macros here +----------------------------------------------------------------------------*/ + + +/*---------------------------------------------------------------------------- +; DEFINES +; Include all pre-processor statements here. Include conditional +; compile variables also. +----------------------------------------------------------------------------*/ +#define LEVEL__0__dB 0.999999970f +#define LEVEL__1_5dB 0.841395142f +#define LEVEL__3__dB 0.707106781f +#define LEVEL__4_5dB 0.595662143f +#define LEVEL__6__dB 0.500000000f +#define LEVEL__7_5dB 0.421696503f +#define LEVEL__9__dB 0.353553393f +#define LEVEL_12__dB 0.250000000f +#define LEVEL_15__dB 0.176776695f +#define LEVEL_18__dB 0.125000000f +#define LEVEL_21__dB 0.088388347f +#define LEVEL_30__dB 0.031250000f +#define LEVEL_45__dB 0.005524271f +#define LEVEL_60__dB 0.000976562f + +#define Qmf31( x) (int32)(x*(float)0x7FFFFFFF) + + +/*---------------------------------------------------------------------------- +; LOCAL FUNCTION DEFINITIONS +; Function Prototype declaration +----------------------------------------------------------------------------*/ + +/*---------------------------------------------------------------------------- +; LOCAL STORE/BUFFER/POINTER DEFINITIONS +; Variable declaration - defined here and used outside this module +----------------------------------------------------------------------------*/ + +const int32 equalizerTbl[8][SUBBANDS_NUMBER] = +{ + /* FLAT */ + { + Qmf31(LEVEL__0__dB), + + Qmf31(LEVEL__0__dB), Qmf31(LEVEL__0__dB), + + Qmf31(LEVEL__0__dB), Qmf31(LEVEL__0__dB), + Qmf31(LEVEL__0__dB), Qmf31(LEVEL__0__dB), + + Qmf31(LEVEL__0__dB), Qmf31(LEVEL__0__dB), + Qmf31(LEVEL__0__dB), Qmf31(LEVEL__0__dB), + Qmf31(LEVEL__0__dB), Qmf31(LEVEL__0__dB), + Qmf31(LEVEL__0__dB), Qmf31(LEVEL__0__dB), + + Qmf31(LEVEL__0__dB), Qmf31(LEVEL__0__dB), + Qmf31(LEVEL__0__dB), Qmf31(LEVEL__0__dB), + Qmf31(LEVEL__0__dB), Qmf31(LEVEL__0__dB), + Qmf31(LEVEL__0__dB), Qmf31(LEVEL__0__dB), + Qmf31(LEVEL__0__dB), Qmf31(LEVEL__0__dB), + Qmf31(LEVEL__0__dB), Qmf31(LEVEL__0__dB), + Qmf31(LEVEL__0__dB), Qmf31(LEVEL__0__dB), + Qmf31(LEVEL__0__dB), Qmf31(LEVEL__0__dB), + Qmf31(LEVEL__0__dB) + }, + /* BASS BOOST */ + { + Qmf31(LEVEL__0__dB), + + Qmf31(LEVEL__1_5dB), Qmf31(LEVEL__3__dB), + + Qmf31(LEVEL__4_5dB), Qmf31(LEVEL__6__dB), + Qmf31(LEVEL__6__dB), Qmf31(LEVEL__6__dB), + + Qmf31(LEVEL__6__dB), Qmf31(LEVEL__6__dB), + Qmf31(LEVEL__6__dB), Qmf31(LEVEL__6__dB), + Qmf31(LEVEL__6__dB), Qmf31(LEVEL__6__dB), + Qmf31(LEVEL__6__dB), Qmf31(LEVEL__6__dB), + + Qmf31(LEVEL__6__dB), Qmf31(LEVEL__6__dB), + Qmf31(LEVEL__6__dB), Qmf31(LEVEL__6__dB), + Qmf31(LEVEL__6__dB), Qmf31(LEVEL__6__dB), + Qmf31(LEVEL__6__dB), Qmf31(LEVEL__6__dB), + Qmf31(LEVEL__6__dB), Qmf31(LEVEL__6__dB), + Qmf31(LEVEL__6__dB), Qmf31(LEVEL__6__dB), + Qmf31(LEVEL__6__dB), Qmf31(LEVEL__6__dB), + Qmf31(LEVEL__6__dB), Qmf31(LEVEL__6__dB), + Qmf31(LEVEL__6__dB) + }, + /* ROCK */ + { + Qmf31(LEVEL__0__dB), + + Qmf31(LEVEL__1_5dB), Qmf31(LEVEL__3__dB), + + Qmf31(LEVEL__4_5dB), Qmf31(LEVEL__6__dB), + Qmf31(LEVEL__6__dB), Qmf31(LEVEL__6__dB), + + Qmf31(LEVEL__3__dB), Qmf31(LEVEL__3__dB), + Qmf31(LEVEL__3__dB), Qmf31(LEVEL__3__dB), + Qmf31(LEVEL__3__dB), Qmf31(LEVEL__3__dB), + Qmf31(LEVEL__3__dB), Qmf31(LEVEL__1_5dB), + + Qmf31(LEVEL__0__dB), Qmf31(LEVEL__0__dB), + Qmf31(LEVEL__0__dB), Qmf31(LEVEL__0__dB), + Qmf31(LEVEL__0__dB), Qmf31(LEVEL__0__dB), + Qmf31(LEVEL__0__dB), Qmf31(LEVEL__0__dB), + Qmf31(LEVEL__0__dB), Qmf31(LEVEL__0__dB), + Qmf31(LEVEL__0__dB), Qmf31(LEVEL__0__dB), + Qmf31(LEVEL__0__dB), Qmf31(LEVEL__0__dB), + Qmf31(LEVEL__0__dB), Qmf31(LEVEL__0__dB), + Qmf31(LEVEL__0__dB) + }, + /* POP */ + { + Qmf31(LEVEL__6__dB), + + Qmf31(LEVEL__3__dB), Qmf31(LEVEL__3__dB), + + Qmf31(LEVEL__1_5dB), Qmf31(LEVEL__0__dB), + Qmf31(LEVEL__0__dB), Qmf31(LEVEL__0__dB), + + Qmf31(LEVEL__3__dB), Qmf31(LEVEL__3__dB), + Qmf31(LEVEL__3__dB), Qmf31(LEVEL__3__dB), + Qmf31(LEVEL__3__dB), Qmf31(LEVEL__3__dB), + Qmf31(LEVEL__3__dB), Qmf31(LEVEL__3__dB), + + Qmf31(LEVEL__9__dB), Qmf31(LEVEL__9__dB), + Qmf31(LEVEL__9__dB), Qmf31(LEVEL__9__dB), + Qmf31(LEVEL__9__dB), Qmf31(LEVEL__9__dB), + Qmf31(LEVEL__9__dB), Qmf31(LEVEL__9__dB), + Qmf31(LEVEL__9__dB), Qmf31(LEVEL__9__dB), + Qmf31(LEVEL__9__dB), Qmf31(LEVEL__9__dB), + Qmf31(LEVEL__9__dB), Qmf31(LEVEL__9__dB), + Qmf31(LEVEL__9__dB), Qmf31(LEVEL__9__dB), + Qmf31(LEVEL__9__dB) + }, + /* JAZZ */ + { + Qmf31(LEVEL__0__dB), + + Qmf31(LEVEL__6__dB), Qmf31(LEVEL__6__dB), + + Qmf31(LEVEL__9__dB), Qmf31(LEVEL__9__dB), + Qmf31(LEVEL__9__dB), Qmf31(LEVEL__9__dB), + + Qmf31(LEVEL__3__dB), Qmf31(LEVEL__3__dB), + Qmf31(LEVEL__3__dB), Qmf31(LEVEL__3__dB), + Qmf31(LEVEL__3__dB), Qmf31(LEVEL__3__dB), + Qmf31(LEVEL__3__dB), Qmf31(LEVEL__1_5dB), + + Qmf31(LEVEL__0__dB), Qmf31(LEVEL__0__dB), + Qmf31(LEVEL__0__dB), Qmf31(LEVEL__0__dB), + Qmf31(LEVEL__0__dB), Qmf31(LEVEL__0__dB), + Qmf31(LEVEL__0__dB), Qmf31(LEVEL__0__dB), + Qmf31(LEVEL__0__dB), Qmf31(LEVEL__0__dB), + Qmf31(LEVEL__0__dB), Qmf31(LEVEL__0__dB), + Qmf31(LEVEL__0__dB), Qmf31(LEVEL__0__dB), + Qmf31(LEVEL__0__dB), Qmf31(LEVEL__0__dB), + Qmf31(LEVEL__0__dB) + }, + /* CLASSICAL */ + { + Qmf31(LEVEL__0__dB), + + Qmf31(LEVEL__9__dB), Qmf31(LEVEL__9__dB), + + Qmf31(LEVEL__9__dB), Qmf31(LEVEL__9__dB), + Qmf31(LEVEL__9__dB), Qmf31(LEVEL__9__dB), + + Qmf31(LEVEL__3__dB), Qmf31(LEVEL__3__dB), + Qmf31(LEVEL__3__dB), Qmf31(LEVEL__3__dB), + Qmf31(LEVEL__3__dB), Qmf31(LEVEL__3__dB), + Qmf31(LEVEL__3__dB), Qmf31(LEVEL__1_5dB), + + Qmf31(LEVEL__0__dB), Qmf31(LEVEL__0__dB), + Qmf31(LEVEL__0__dB), Qmf31(LEVEL__0__dB), + Qmf31(LEVEL__0__dB), Qmf31(LEVEL__0__dB), + Qmf31(LEVEL__0__dB), Qmf31(LEVEL__0__dB), + Qmf31(LEVEL__0__dB), Qmf31(LEVEL__0__dB), + Qmf31(LEVEL__0__dB), Qmf31(LEVEL__0__dB), + Qmf31(LEVEL__0__dB), Qmf31(LEVEL__0__dB), + Qmf31(LEVEL__0__dB), Qmf31(LEVEL__0__dB), + Qmf31(LEVEL__0__dB) + }, + /* TALK */ + { + Qmf31(LEVEL__9__dB), + + Qmf31(LEVEL__6__dB), Qmf31(LEVEL__6__dB), + + Qmf31(LEVEL__0__dB), Qmf31(LEVEL__0__dB), + Qmf31(LEVEL__0__dB), Qmf31(LEVEL__0__dB), + + Qmf31(LEVEL__0__dB), Qmf31(LEVEL__0__dB), + Qmf31(LEVEL__0__dB), Qmf31(LEVEL__0__dB), + Qmf31(LEVEL__0__dB), Qmf31(LEVEL__0__dB), + Qmf31(LEVEL__0__dB), Qmf31(LEVEL__1_5dB), + + Qmf31(LEVEL__3__dB), Qmf31(LEVEL__3__dB), + Qmf31(LEVEL__3__dB), Qmf31(LEVEL__3__dB), + Qmf31(LEVEL__3__dB), Qmf31(LEVEL__3__dB), + Qmf31(LEVEL__3__dB), Qmf31(LEVEL__3__dB), + Qmf31(LEVEL__3__dB), Qmf31(LEVEL__3__dB), + Qmf31(LEVEL__3__dB), Qmf31(LEVEL__3__dB), + Qmf31(LEVEL__3__dB), Qmf31(LEVEL__3__dB), + Qmf31(LEVEL__3__dB), Qmf31(LEVEL__3__dB), + Qmf31(LEVEL__3__dB) + }, + /* FLAT */ + { + Qmf31(LEVEL__0__dB), + + Qmf31(LEVEL__0__dB), Qmf31(LEVEL__0__dB), + + Qmf31(LEVEL__0__dB), Qmf31(LEVEL__0__dB), + Qmf31(LEVEL__0__dB), Qmf31(LEVEL__0__dB), + + Qmf31(LEVEL__0__dB), Qmf31(LEVEL__0__dB), + Qmf31(LEVEL__0__dB), Qmf31(LEVEL__0__dB), + Qmf31(LEVEL__0__dB), Qmf31(LEVEL__0__dB), + Qmf31(LEVEL__0__dB), Qmf31(LEVEL__0__dB), + + Qmf31(LEVEL__0__dB), Qmf31(LEVEL__0__dB), + Qmf31(LEVEL__0__dB), Qmf31(LEVEL__0__dB), + Qmf31(LEVEL__0__dB), Qmf31(LEVEL__0__dB), + Qmf31(LEVEL__0__dB), Qmf31(LEVEL__0__dB), + Qmf31(LEVEL__0__dB), Qmf31(LEVEL__0__dB), + Qmf31(LEVEL__0__dB), Qmf31(LEVEL__0__dB), + Qmf31(LEVEL__0__dB), Qmf31(LEVEL__0__dB), + Qmf31(LEVEL__0__dB), Qmf31(LEVEL__0__dB), + Qmf31(LEVEL__0__dB) + } +}; + +/*---------------------------------------------------------------------------- +; EXTERNAL FUNCTION REFERENCES +; Declare functions defined elsewhere and referenced in this module +----------------------------------------------------------------------------*/ + +/*---------------------------------------------------------------------------- +; EXTERNAL GLOBAL STORE/BUFFER/POINTER REFERENCES +; Declare variables used in this module but defined elsewhere +----------------------------------------------------------------------------*/ + + +/*---------------------------------------------------------------------------- +; FUNCTION CODE +----------------------------------------------------------------------------*/ + +void pvmp3_equalizer(int32 *circ_buffer, + e_equalization equalizerType, + int32 *work_buff) +{ + + if (equalizerType == flat) + { + for (int32 band = 0; band < FILTERBANK_BANDS; band += 2) + { + + int32 *pt_work_buff = &work_buff[band]; + int32 *inData = &circ_buffer[544 - (band<<5)]; + + int32 i; + for (i = 0; i < SUBBANDS_NUMBER*FILTERBANK_BANDS; i += FILTERBANK_BANDS << 2) + { + int32 temp1 = (pt_work_buff[ i ]); + int32 temp2 = (pt_work_buff[ i + FILTERBANK_BANDS ]); + int32 temp3 = (pt_work_buff[ i + 2*FILTERBANK_BANDS ]); + int32 temp4 = (pt_work_buff[ i + 3*FILTERBANK_BANDS ]); + *(inData++) = temp1; + *(inData++) = temp2; + *(inData++) = temp3; + *(inData++) = temp4; + } + + inData -= SUBBANDS_NUMBER << 1; + pt_work_buff++; + + for (i = 0; i < SUBBANDS_NUMBER*FILTERBANK_BANDS; i += FILTERBANK_BANDS << 2) + { + int32 temp1 = (pt_work_buff[ i ]); + int32 temp2 = (pt_work_buff[ i + FILTERBANK_BANDS ]); + int32 temp3 = (pt_work_buff[ i + 2*FILTERBANK_BANDS ]); + int32 temp4 = (pt_work_buff[ i + 3*FILTERBANK_BANDS ]); + *(inData++) = temp1; + *(inData++) = temp2; + *(inData++) = temp3; + *(inData++) = temp4; + } + } + } + else + { + const int32 *pt_equalizer = equalizerTbl[equalizerType&7]; + + + for (int32 band = 0; band < FILTERBANK_BANDS; band += 3) + { + int32 *inData = &circ_buffer[544 - (band<<5)]; + + int32 *pt_work_buff = &work_buff[band]; + int32 i; + + for (i = 0; i < SUBBANDS_NUMBER*FILTERBANK_BANDS; i += FILTERBANK_BANDS << 2) + { + int32 temp1 = (pt_work_buff[ i ]); + int32 temp2 = (pt_work_buff[ i + FILTERBANK_BANDS ]); + int32 temp3 = (pt_work_buff[ i + 2*FILTERBANK_BANDS ]); + int32 temp4 = (pt_work_buff[ i + 3*FILTERBANK_BANDS ]); + *(inData++) = fxp_mul32_Q32(temp1 << 1, *(pt_equalizer++)); + *(inData++) = fxp_mul32_Q32(temp2 << 1, *(pt_equalizer++)); + *(inData++) = fxp_mul32_Q32(temp3 << 1, *(pt_equalizer++)); + *(inData++) = fxp_mul32_Q32(temp4 << 1, *(pt_equalizer++)); + } + + pt_equalizer -= SUBBANDS_NUMBER; + + inData -= SUBBANDS_NUMBER << 1; + pt_work_buff++; + + for (i = 0; i < SUBBANDS_NUMBER*FILTERBANK_BANDS; i += FILTERBANK_BANDS << 2) + { + int32 temp1 = (pt_work_buff[ i ]); + int32 temp2 = (pt_work_buff[ i + FILTERBANK_BANDS ]); + int32 temp3 = (pt_work_buff[ i + 2*FILTERBANK_BANDS ]); + int32 temp4 = (pt_work_buff[ i + 3*FILTERBANK_BANDS ]); + *(inData++) = fxp_mul32_Q32(temp1 << 1, *(pt_equalizer++)); + *(inData++) = fxp_mul32_Q32(temp2 << 1, *(pt_equalizer++)); + *(inData++) = fxp_mul32_Q32(temp3 << 1, *(pt_equalizer++)); + *(inData++) = fxp_mul32_Q32(temp4 << 1, *(pt_equalizer++)); + } + pt_equalizer -= SUBBANDS_NUMBER; + + } + } +} + + + + diff --git a/sources/pvmp3dec/src/pvmp3_equalizer.h b/sources/pvmp3dec/src/pvmp3_equalizer.h new file mode 100644 index 00000000..bbf134fb --- /dev/null +++ b/sources/pvmp3dec/src/pvmp3_equalizer.h @@ -0,0 +1,101 @@ +/* ------------------------------------------------------------------ + * Copyright (C) 1998-2009 PacketVideo + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either + * express or implied. + * See the License for the specific language governing permissions + * and limitations under the License. + * ------------------------------------------------------------------- + */ +/* +------------------------------------------------------------------------------ + PacketVideo Corp. + MP3 Decoder Library + + Filename: pvmp3_equalizer.h + + Date: 09/21/2007 + +------------------------------------------------------------------------------ + REVISION HISTORY + + Description: + +------------------------------------------------------------------------------ + INCLUDE DESCRIPTION + +------------------------------------------------------------------------------ +*/ + +/*---------------------------------------------------------------------------- +; CONTINUE ONLY IF NOT ALREADY DEFINED +----------------------------------------------------------------------------*/ +#ifndef PVMP3_EQUALIZER_H +#define PVMP3_EQUALIZER_H + +/*---------------------------------------------------------------------------- +; INCLUDES +----------------------------------------------------------------------------*/ + +#include "pvmp3_audio_type_defs.h" +#include "pvmp3decoder_api.h" + + +/*---------------------------------------------------------------------------- +; MACROS +; Define module specific macros here +----------------------------------------------------------------------------*/ + +/*---------------------------------------------------------------------------- +; DEFINES +; Include all pre-processor statements here. +----------------------------------------------------------------------------*/ + +/*---------------------------------------------------------------------------- +; EXTERNAL VARIABLES REFERENCES +; Declare variables used in this module but defined elsewhere +----------------------------------------------------------------------------*/ + +/*---------------------------------------------------------------------------- +; SIMPLE TYPEDEF'S +----------------------------------------------------------------------------*/ + +/*---------------------------------------------------------------------------- +; ENUMERATED TYPEDEF'S +----------------------------------------------------------------------------*/ + +/*---------------------------------------------------------------------------- +; STRUCTURES TYPEDEF'S +----------------------------------------------------------------------------*/ + +/*---------------------------------------------------------------------------- +; GLOBAL FUNCTION DEFINITIONS +; Function Prototype declaration +----------------------------------------------------------------------------*/ + +#ifdef __cplusplus +extern "C" +{ +#endif + + void pvmp3_equalizer(int32 *inData, + e_equalization equalizerType, + int32 *pt_work_buff); + +#ifdef __cplusplus +} +#endif + +/*---------------------------------------------------------------------------- +; END +----------------------------------------------------------------------------*/ +#endif + diff --git a/sources/pvmp3dec/src/pvmp3_framedecoder.cpp b/sources/pvmp3dec/src/pvmp3_framedecoder.cpp new file mode 100644 index 00000000..26bc25cd --- /dev/null +++ b/sources/pvmp3dec/src/pvmp3_framedecoder.cpp @@ -0,0 +1,834 @@ +/* ------------------------------------------------------------------ + * Copyright (C) 1998-2009 PacketVideo + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either + * express or implied. + * See the License for the specific language governing permissions + * and limitations under the License. + * ------------------------------------------------------------------- + */ +/* +------------------------------------------------------------------------------ + + PacketVideo Corp. + MP3 Decoder Library + + Filename: pvmp3_framedecoder.cpp + + Functions: + pvmp3_framedecoder + pvmp3_InitDecoder + pvmp3_resetDecoder + + Date: 09/21/2007 + +------------------------------------------------------------------------------ + REVISION HISTORY + + + Description: + +------------------------------------------------------------------------------ + INPUT AND OUTPUT DEFINITIONS + +Input + pExt = pointer to the external interface structure. See the file + pvmp3decoder_api.h for a description of each field. + Data type of pointer to a tPVMP3DecoderExternal + structure. + + pMem = void pointer to hide the internal implementation of the library + It is cast back to a tmp3dec_file structure. This structure + contains information that needs to persist between calls to + this function, or is too big to be placed on the stack, even + though the data is only needed during execution of this function + Data type void pointer, internally pointer to a tmp3dec_file + structure. + + + Outputs: + status = ERROR condition. see structure ERROR_CODE + + Pointers and Buffers Modified: + pMem contents are modified. + pExt: (more detail in the file pvmp3decoder_api.h) + inputBufferUsedLength - number of array elements used up by the stream. + samplingRate - sampling rate in samples per sec + bitRate - bit rate in bits per second, varies frame to frame. + + + +------------------------------------------------------------------------------ + FUNCTIONS DESCRIPTION + + pvmp3_framedecoder + frame decoder library driver + pvmp3_InitDecoder + Decoder Initialization + pvmp3_resetDecoder + Reset Decoder + +------------------------------------------------------------------------------ + REQUIREMENTS + + +------------------------------------------------------------------------------ + REFERENCES + + [1] ISO MPEG Audio Subgroup Software Simulation Group (1996) + ISO 13818-3 MPEG-2 Audio Decoder - Lower Sampling Frequency Extension + +------------------------------------------------------------------------------ + PSEUDO-CODE + +------------------------------------------------------------------------------ +*/ + + +/*---------------------------------------------------------------------------- +; INCLUDES +----------------------------------------------------------------------------*/ + + +#include "pvmp3_framedecoder.h" +#include "pvmp3_dec_defs.h" +#include "pvmp3_poly_phase_synthesis.h" +#include "pvmp3_tables.h" +#include "pvmp3_imdct_synth.h" +#include "pvmp3_alias_reduction.h" +#include "pvmp3_reorder.h" +#include "pvmp3_dequantize_sample.h" +#include "pvmp3_stereo_proc.h" +#include "pvmp3_mpeg2_stereo_proc.h" +#include "pvmp3_get_side_info.h" +#include "pvmp3_get_scale_factors.h" +#include "pvmp3_mpeg2_get_scale_factors.h" +#include "pvmp3_decode_header.h" +#include "pvmp3_get_main_data_size.h" +#include "s_tmp3dec_file.h" +#include "pvmp3_getbits.h" +#include "mp3_mem_funcs.h" + + +/*---------------------------------------------------------------------------- +; MACROS +; Define module specific macros here +----------------------------------------------------------------------------*/ + + +/*---------------------------------------------------------------------------- +; DEFINES +; Include all pre-processor statements here. Include conditional +; compile variables also. +----------------------------------------------------------------------------*/ + +/*---------------------------------------------------------------------------- +; LOCAL FUNCTION DEFINITIONS +; Function Prototype declaration +----------------------------------------------------------------------------*/ + +/*---------------------------------------------------------------------------- +; LOCAL STORE/BUFFER/POINTER DEFINITIONS +; Variable declaration - defined here and used outside this module +----------------------------------------------------------------------------*/ + +/*---------------------------------------------------------------------------- +; EXTERNAL FUNCTION REFERENCES +; Declare functions defined elsewhere and referenced in this module +----------------------------------------------------------------------------*/ + +/*---------------------------------------------------------------------------- +; EXTERNAL GLOBAL STORE/BUFFER/POINTER REFERENCES +; Declare variables used in this module but defined elsewhere +----------------------------------------------------------------------------*/ + +/*---------------------------------------------------------------------------- +; FUNCTION CODE +----------------------------------------------------------------------------*/ + +ERROR_CODE pvmp3_framedecoder(tPVMP3DecoderExternal *pExt, + void *pMem) +{ + + ERROR_CODE errorCode = NO_DECODING_ERROR; + + int32 crc_error_count = 0; + uint32 sent_crc = 0; + uint32 computed_crc = 0; + + tmp3dec_chan *pChVars[CHAN]; + tmp3dec_file *pVars = (tmp3dec_file *)pMem; + + mp3Header info_data; + mp3Header *info = &info_data; + + pVars->inputStream.pBuffer = pExt->pInputBuffer; + + + pVars->inputStream.usedBits = pExt->inputBufferUsedLength << 3; + pVars->inputStream.inputBufferCurrentLength = pExt->inputBufferCurrentLength; + + + errorCode = pvmp3_decode_header(&pVars->inputStream, + info, + &computed_crc); + + if (errorCode != NO_DECODING_ERROR) + { + pExt->outputFrameSize = 0; + return errorCode; + } + + pVars->num_channels = (info->mode == MPG_MD_MONO) ? 1 : 2; + pExt->num_channels = pVars->num_channels; + + int32 outputFrameSize = (info->version_x == MPEG_1) ? + 2 * SUBBANDS_NUMBER * FILTERBANK_BANDS : + SUBBANDS_NUMBER * FILTERBANK_BANDS; + + outputFrameSize = (info->mode == MPG_MD_MONO) ? outputFrameSize : outputFrameSize << 1; + + + /* + * Check if output buffer has enough room to hold output PCM + */ + if (pExt->outputFrameSize >= outputFrameSize) + { + pExt->outputFrameSize = outputFrameSize; + } + else + { + pExt->outputFrameSize = 0; + return OUTPUT_BUFFER_TOO_SMALL; + } + + + pChVars[ LEFT] = &pVars->perChan[ LEFT]; + pChVars[RIGHT] = &pVars->perChan[RIGHT]; + + + + + if (info->error_protection) + { + /* + * Get crc content + */ + sent_crc = getUpTo17bits(&pVars->inputStream, 16); + } + + + if (info->layer_description == 3) + { + int32 gr; + int32 ch; + uint32 main_data_end; + int32 bytes_to_discard; + int16 *ptrOutBuffer = pExt->pOutputBuffer; + + /* + * Side Information must be extracted from the bitstream and store for use + * during the decoded of the associated frame + */ + + errorCode = pvmp3_get_side_info(&pVars->inputStream, + &pVars->sideInfo, + info, + &computed_crc); + + if (errorCode != NO_DECODING_ERROR) + { + pExt->outputFrameSize = 0; + return errorCode; + } + + /* + * If CRC was sent, check that matches the one got while parsing data + * disable crc if this is the desired mode + */ + if (info->error_protection) + { + if ((computed_crc != sent_crc) && pExt->crcEnabled) + { + crc_error_count++; + } + } + + /* + * main data (scalefactors, Huffman coded, etc,) are not necessarily located + * adjacent to the side-info. Beginning of main data is located using + * field "main_data_begin" of the current frame. The length does not include + * header and side info. + * "main_data_begin" points to the first bit of main data of a frame. It is a negative + * offset in bytes from the first byte of the sync word + * main_data_begin = 0 <===> main data start rigth after side info. + */ + + int32 temp = pvmp3_get_main_data_size(info, pVars); + + + /* + * Check if available data holds a full frame, if not flag an error + */ + + if ((uint32)pVars->predicted_frame_size > pVars->inputStream.inputBufferCurrentLength) + { + pExt->outputFrameSize = 0; + return NO_ENOUGH_MAIN_DATA_ERROR; + } + + /* + * Fill in internal circular buffer + */ + fillMainDataBuf(pVars, temp); + + + main_data_end = pVars->mainDataStream.usedBits >> 3; /* in bytes */ + if ((main_data_end << 3) < pVars->mainDataStream.usedBits) + { + main_data_end++; + pVars->mainDataStream.usedBits = main_data_end << 3; + } + + + bytes_to_discard = pVars->frame_start - pVars->sideInfo.main_data_begin - main_data_end; + + + if (main_data_end > BUFSIZE) /* check overflow on the buffer */ + { + pVars->frame_start -= BUFSIZE; + + pVars->mainDataStream.usedBits -= (BUFSIZE << 3); + } + + pVars->frame_start += temp; + + + if (bytes_to_discard < 0 || crc_error_count) + { + /* + * Not enough data to decode, then we should avoid reading this + * data ( getting/ignoring sido info and scale data) + * Main data could be located in the previous frame, so an unaccounted + * frame can cause incorrect processing + * Just run the polyphase filter to "clean" the history buffer + */ + errorCode = NO_ENOUGH_MAIN_DATA_ERROR; + + /* + * Clear the input to these filters + */ + + pv_memset((void*)pChVars[RIGHT]->work_buf_int32, + 0, + SUBBANDS_NUMBER*FILTERBANK_BANDS*sizeof(pChVars[RIGHT]->work_buf_int32[0])); + + pv_memset((void*)pChVars[LEFT]->work_buf_int32, + 0, + SUBBANDS_NUMBER*FILTERBANK_BANDS*sizeof(pChVars[LEFT]->work_buf_int32[0])); + + /* clear circular buffers, to avoid any glitch */ + pv_memset((void*)&pChVars[ LEFT]->circ_buffer[576], + 0, + 480*sizeof(pChVars[ LEFT]->circ_buffer[0])); + pv_memset((void*)&pChVars[RIGHT]->circ_buffer[576], + 0, + 480*sizeof(pChVars[RIGHT]->circ_buffer[0])); + + pChVars[ LEFT]->used_freq_lines = 575; + pChVars[RIGHT]->used_freq_lines = 575; + + } + else + { + pVars->mainDataStream.usedBits += (bytes_to_discard << 3); + } + + /* + * if (fr_ps->header->version_x == MPEG_1), use 2 granules, otherwise just 1 + */ + for (gr = 0; gr < (1 + !(info->version_x)); gr++) + { + if (errorCode != NO_ENOUGH_MAIN_DATA_ERROR) + { + for (ch = 0; ch < pVars->num_channels; ch++) + { + int32 part2_start = pVars->mainDataStream.usedBits; + + if (info->version_x == MPEG_1) + { + + pvmp3_get_scale_factors(&pVars->scaleFactors[ch], + &pVars->sideInfo, + gr, + ch, + &pVars->mainDataStream); + } + else + { + int32 * tmp = pVars->Scratch_mem; + pvmp3_mpeg2_get_scale_factors(&pVars->scaleFactors[ch], + &pVars->sideInfo, + gr, + ch, + info, + (uint32 *)tmp, + &pVars->mainDataStream); + } + + pChVars[ch]->used_freq_lines = pvmp3_huffman_parsing(pChVars[ch]->work_buf_int32, + &pVars->sideInfo.ch[ch].gran[gr], + pVars, + part2_start, + info); + + + pvmp3_dequantize_sample(pChVars[ch]->work_buf_int32, + &pVars->scaleFactors[ch], + &pVars->sideInfo.ch[ch].gran[gr], + pChVars[ch]->used_freq_lines, + info); + + + + + } /* for (ch=0; chnum_channels == 2) + { + + int32 used_freq_lines = (pChVars[ LEFT]->used_freq_lines > + pChVars[RIGHT]->used_freq_lines) ? + pChVars[ LEFT]->used_freq_lines : + pChVars[RIGHT]->used_freq_lines; + + pChVars[ LEFT]->used_freq_lines = used_freq_lines; + pChVars[RIGHT]->used_freq_lines = used_freq_lines; + + if (info->version_x == MPEG_1) + { + pvmp3_stereo_proc(pChVars[ LEFT]->work_buf_int32, + pChVars[RIGHT]->work_buf_int32, + &pVars->scaleFactors[RIGHT], + &pVars->sideInfo.ch[LEFT].gran[gr], + used_freq_lines, + info); + } + else + { + int32 * tmp = pVars->Scratch_mem; + pvmp3_mpeg2_stereo_proc(pChVars[ LEFT]->work_buf_int32, + pChVars[RIGHT]->work_buf_int32, + &pVars->scaleFactors[RIGHT], + &pVars->sideInfo.ch[ LEFT].gran[gr], + &pVars->sideInfo.ch[RIGHT].gran[gr], + (uint32 *)tmp, + used_freq_lines, + info); + } + } + + } /* if ( errorCode != NO_ENOUGH_MAIN_DATA_ERROR) */ + + for (ch = 0; ch < pVars->num_channels; ch++) + { + + pvmp3_reorder(pChVars[ch]->work_buf_int32, + &pVars->sideInfo.ch[ch].gran[gr], + &pChVars[ ch]->used_freq_lines, + info, + pVars->Scratch_mem); + + pvmp3_alias_reduction(pChVars[ch]->work_buf_int32, + &pVars->sideInfo.ch[ch].gran[gr], + &pChVars[ ch]->used_freq_lines, + info); + + + /* + * IMDCT + */ + /* set mxposition + * In case of mixed blocks, # of bands with long + * blocks (2 or 4) else 0 + */ + uint16 mixedBlocksLongBlocks = 0; /* 0 = long or short, 2=mixed, 4=mixed 2.5@8000 */ + if (pVars->sideInfo.ch[ch].gran[gr].mixed_block_flag && + pVars->sideInfo.ch[ch].gran[gr].window_switching_flag) + { + if ((info->version_x == MPEG_2_5) && (info->sampling_frequency == 2)) + { + mixedBlocksLongBlocks = 4; /* mpeg2.5 @ 8 KHz */ + } + else + { + mixedBlocksLongBlocks = 2; + } + } + + pvmp3_imdct_synth(pChVars[ch]->work_buf_int32, + pChVars[ch]->overlap, + pVars->sideInfo.ch[ch].gran[gr].block_type, + mixedBlocksLongBlocks, + pChVars[ ch]->used_freq_lines, + pVars->Scratch_mem); + + + /* + * Polyphase synthesis + */ + + pvmp3_poly_phase_synthesis(pChVars[ch], + pVars->num_channels, + pExt->equalizerType, + &ptrOutBuffer[ch]); + + + }/* end ch loop */ + + ptrOutBuffer += pVars->num_channels * SUBBANDS_NUMBER * FILTERBANK_BANDS; + } /* for (gr=0;grbitrate_index > 0) + { /* if not free-format */ + + int32 ancillary_data_lenght = pVars->predicted_frame_size << 3; + + ancillary_data_lenght -= pVars->inputStream.usedBits; + + /* skip ancillary data */ + if (ancillary_data_lenght > 0) + { + pVars->inputStream.usedBits += ancillary_data_lenght; + } + + } + + /* + * This overrides a possible NO_ENOUGH_MAIN_DATA_ERROR + */ + errorCode = NO_DECODING_ERROR; + + } + else + { + /* + * The info on the header leads to an unsupported layer, more data + * will not fix this, so this is a bad frame, + */ + + pExt->outputFrameSize = 0; + return UNSUPPORTED_LAYER; + } + + pExt->inputBufferUsedLength = pVars->inputStream.usedBits >> 3; + pExt->totalNumberOfBitsUsed += pVars->inputStream.usedBits; + pExt->version = info->version_x; + pExt->samplingRate = mp3_s_freq[info->version_x][info->sampling_frequency]; + pExt->bitRate = mp3_bitrate[pExt->version][info->bitrate_index]; + + + /* + * Always verify buffer overrun condition + */ + + if (pExt->inputBufferUsedLength > pExt->inputBufferCurrentLength) + { + pExt->outputFrameSize = 0; + errorCode = NO_ENOUGH_MAIN_DATA_ERROR; + } + + return errorCode; + +} + + +/*---------------------------------------------------------------------------- +; FUNCTION CODE +----------------------------------------------------------------------------*/ + +__inline void fillDataBuf(tmp3Bits *pMainData, + uint32 val) /* val to write into the buffer */ +{ + pMainData->pBuffer[module(pMainData->offset++, BUFSIZE)] = (uint8)val; +} + + +void fillMainDataBuf(void *pMem, int32 temp) +{ + tmp3dec_file *pVars = (tmp3dec_file *)pMem; + + + int32 offset = (pVars->inputStream.usedBits) >> INBUF_ARRAY_INDEX_SHIFT; + + /* + * Check if input circular buffer boundaries need to be enforced + */ + if ((offset + temp) < BUFSIZE) + { + uint8 * ptr = pVars->inputStream.pBuffer + offset; + + offset = pVars->mainDataStream.offset; + + /* + * Check if main data circular buffer boundaries need to be enforced + */ + if ((offset + temp) < BUFSIZE) + { + pv_memcpy((pVars->mainDataStream.pBuffer + offset), ptr, temp*sizeof(uint8)); + pVars->mainDataStream.offset += temp; + } + else + { + int32 tmp1 = *(ptr++); + for (int32 nBytes = temp >> 1; nBytes != 0; nBytes--) /* read main data. */ + { + int32 tmp2 = *(ptr++); + fillDataBuf(&pVars->mainDataStream, tmp1); + fillDataBuf(&pVars->mainDataStream, tmp2); + tmp1 = *(ptr++); + } + + if (temp&1) + { + fillDataBuf(&pVars->mainDataStream, tmp1); + } + + /* adjust circular buffer counter */ + pVars->mainDataStream.offset = module(pVars->mainDataStream.offset, BUFSIZE); + } + } + else + { + for (int32 nBytes = temp >> 1; nBytes != 0; nBytes--) /* read main data. */ + { + fillDataBuf(&pVars->mainDataStream, *(pVars->inputStream.pBuffer + module(offset++ , BUFSIZE))); + fillDataBuf(&pVars->mainDataStream, *(pVars->inputStream.pBuffer + module(offset++ , BUFSIZE))); + } + if (temp&1) + { + fillDataBuf(&pVars->mainDataStream, *(pVars->inputStream.pBuffer + module(offset , BUFSIZE))); + } + } + + + pVars->inputStream.usedBits += (temp) << INBUF_ARRAY_INDEX_SHIFT; +} + + + + +/*---------------------------------------------------------------------------- +; FUNCTION CODE +----------------------------------------------------------------------------*/ + +uint32 pvmp3_decoderMemRequirements(void) +{ + uint32 size; + + size = (uint32) sizeof(tmp3dec_file); + return (size); +} + + + +/*---------------------------------------------------------------------------- +; FUNCTION CODE +----------------------------------------------------------------------------*/ + +#include "pvmp3_decode_huff_cw.h" + +void pvmp3_InitDecoder(tPVMP3DecoderExternal *pExt, + void *pMem) +{ + + tmp3dec_file *pVars; + huffcodetab *pHuff; + + pVars = (tmp3dec_file *)pMem; + + pVars->num_channels = 0; + + pExt->totalNumberOfBitsUsed = 0; + pExt->inputBufferCurrentLength = 0; + pExt->inputBufferUsedLength = 0; + + pVars->mainDataStream.offset = 0; + + pv_memset((void*)pVars->mainDataBuffer, + 0, + BUFSIZE*sizeof(*pVars->mainDataBuffer)); + + + pVars->inputStream.pBuffer = pExt->pInputBuffer; + + /* + * Initialize huffman decoding table + */ + + pHuff = pVars->ht; + pHuff[0].linbits = 0; + pHuff[0].pdec_huff_tab = pvmp3_decode_huff_cw_tab0; + pHuff[1].linbits = 0; + pHuff[1].pdec_huff_tab = pvmp3_decode_huff_cw_tab1; + pHuff[2].linbits = 0; + pHuff[2].pdec_huff_tab = pvmp3_decode_huff_cw_tab2; + pHuff[3].linbits = 0; + pHuff[3].pdec_huff_tab = pvmp3_decode_huff_cw_tab3; + pHuff[4].linbits = 0; + pHuff[4].pdec_huff_tab = pvmp3_decode_huff_cw_tab0; /* tbl 4 is not used */ + pHuff[5].linbits = 4; + pHuff[5].pdec_huff_tab = pvmp3_decode_huff_cw_tab5; + pHuff[6].linbits = 0; + pHuff[6].pdec_huff_tab = pvmp3_decode_huff_cw_tab6; + pHuff[7].linbits = 0; + pHuff[7].pdec_huff_tab = pvmp3_decode_huff_cw_tab7; + pHuff[8].linbits = 0; + pHuff[8].pdec_huff_tab = pvmp3_decode_huff_cw_tab8; + pHuff[9].linbits = 0; + pHuff[9].pdec_huff_tab = pvmp3_decode_huff_cw_tab9; + pHuff[10].linbits = 0; + pHuff[10].pdec_huff_tab = pvmp3_decode_huff_cw_tab10; + pHuff[11].linbits = 0; + pHuff[11].pdec_huff_tab = pvmp3_decode_huff_cw_tab11; + pHuff[12].linbits = 0; + pHuff[12].pdec_huff_tab = pvmp3_decode_huff_cw_tab12; + pHuff[13].linbits = 0; + pHuff[13].pdec_huff_tab = pvmp3_decode_huff_cw_tab13; + pHuff[14].linbits = 0; + pHuff[14].pdec_huff_tab = pvmp3_decode_huff_cw_tab0; /* tbl 14 is not used */ + pHuff[15].linbits = 0; + pHuff[15].pdec_huff_tab = pvmp3_decode_huff_cw_tab15; + pHuff[16].linbits = 1; + pHuff[16].pdec_huff_tab = pvmp3_decode_huff_cw_tab16; + pHuff[17].linbits = 2; + pHuff[17].pdec_huff_tab = pvmp3_decode_huff_cw_tab16; + pHuff[18].linbits = 3; + pHuff[18].pdec_huff_tab = pvmp3_decode_huff_cw_tab16; + pHuff[19].linbits = 4; + pHuff[19].pdec_huff_tab = pvmp3_decode_huff_cw_tab16; + pHuff[20].linbits = 6; + pHuff[20].pdec_huff_tab = pvmp3_decode_huff_cw_tab16; + pHuff[21].linbits = 8; + pHuff[21].pdec_huff_tab = pvmp3_decode_huff_cw_tab16; + pHuff[22].linbits = 10; + pHuff[22].pdec_huff_tab = pvmp3_decode_huff_cw_tab16; + pHuff[23].linbits = 13; + pHuff[23].pdec_huff_tab = pvmp3_decode_huff_cw_tab16; + pHuff[24].linbits = 4; + pHuff[24].pdec_huff_tab = pvmp3_decode_huff_cw_tab24; + pHuff[25].linbits = 5; + pHuff[25].pdec_huff_tab = pvmp3_decode_huff_cw_tab24; + pHuff[26].linbits = 6; + pHuff[26].pdec_huff_tab = pvmp3_decode_huff_cw_tab24; + pHuff[27].linbits = 7; + pHuff[27].pdec_huff_tab = pvmp3_decode_huff_cw_tab24; + pHuff[28].linbits = 8; + pHuff[28].pdec_huff_tab = pvmp3_decode_huff_cw_tab24; + pHuff[29].linbits = 9; + pHuff[29].pdec_huff_tab = pvmp3_decode_huff_cw_tab24; + pHuff[30].linbits = 11; + pHuff[30].pdec_huff_tab = pvmp3_decode_huff_cw_tab24; + pHuff[31].linbits = 13; + pHuff[31].pdec_huff_tab = pvmp3_decode_huff_cw_tab24; + pHuff[32].linbits = 0; + pHuff[32].pdec_huff_tab = pvmp3_decode_huff_cw_tab32; + pHuff[33].linbits = 0; + pHuff[33].pdec_huff_tab = pvmp3_decode_huff_cw_tab33; + + /* + * Initialize polysynthesis circular buffer mechanism + */ + /* clear buffers */ + + pvmp3_resetDecoder(pMem); + +} + + +/*---------------------------------------------------------------------------- +; FUNCTION CODE +----------------------------------------------------------------------------*/ + + +void pvmp3_resetDecoder(void *pMem) +{ + + tmp3dec_file *pVars; + tmp3dec_chan *pChVars[CHAN]; + + pVars = (tmp3dec_file *)pMem; + pChVars[ LEFT] = &pVars->perChan[ LEFT]; + pChVars[RIGHT] = &pVars->perChan[RIGHT]; + + pVars->frame_start = 0; + + pVars->mainDataStream.offset = 0; + + pVars->mainDataStream.pBuffer = pVars->mainDataBuffer; + pVars->mainDataStream.usedBits = 0; + + + pVars->inputStream.usedBits = 0; // in bits + + + pChVars[ LEFT]->used_freq_lines = 575; + pChVars[RIGHT]->used_freq_lines = 575; + + + /* + * Initialize polysynthesis circular buffer mechanism + */ + + pv_memset((void*)&pChVars[ LEFT]->circ_buffer[576], + 0, + 480*sizeof(pChVars[ LEFT]->circ_buffer[0])); + pv_memset((void*)&pChVars[RIGHT]->circ_buffer[576], + 0, + 480*sizeof(pChVars[RIGHT]->circ_buffer[0])); + + + pv_memset((void*)pChVars[ LEFT]->overlap, + 0, + SUBBANDS_NUMBER*FILTERBANK_BANDS*sizeof(pChVars[ LEFT]->overlap[0])); + + + pv_memset((void*)pChVars[ RIGHT]->overlap, + 0, + SUBBANDS_NUMBER*FILTERBANK_BANDS*sizeof(pChVars[ RIGHT]->overlap[0])); + + + + + + /* + * Clear all the structures + */ + + + pv_memset((void*)&pVars->scaleFactors[RIGHT], + 0, + sizeof(mp3ScaleFactors)); + + pv_memset((void*)&pVars->scaleFactors[LEFT], + 0, + sizeof(mp3ScaleFactors)); + + pv_memset((void*)&pVars->sideInfo, + 0, + sizeof(mp3SideInfo)); + + pv_memset((void*)&pVars->sideInfo, + 0, + sizeof(mp3SideInfo)); + +} diff --git a/sources/pvmp3dec/src/pvmp3_framedecoder.h b/sources/pvmp3dec/src/pvmp3_framedecoder.h new file mode 100644 index 00000000..f6d4a350 --- /dev/null +++ b/sources/pvmp3dec/src/pvmp3_framedecoder.h @@ -0,0 +1,115 @@ +/* ------------------------------------------------------------------ + * Copyright (C) 1998-2009 PacketVideo + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either + * express or implied. + * See the License for the specific language governing permissions + * and limitations under the License. + * ------------------------------------------------------------------- + */ +/* +------------------------------------------------------------------------------ + PacketVideo Corp. + MP3 Decoder Library + + Filename: pvmp3_framedecoder.h + + Date: 09/21/2007 + +------------------------------------------------------------------------------ + REVISION HISTORY + + Description: + +------------------------------------------------------------------------------ + INCLUDE DESCRIPTION + +------------------------------------------------------------------------------ +*/ + +/*---------------------------------------------------------------------------- +; CONTINUE ONLY IF NOT ALREADY DEFINED +----------------------------------------------------------------------------*/ +#ifndef PVMP3_FRAMEDECODER_H +#define PVMP3_FRAMEDECODER_H + +/*---------------------------------------------------------------------------- +; INCLUDES +----------------------------------------------------------------------------*/ +#include "pvmp3_dec_defs.h" +#include "pvmp3_audio_type_defs.h" +#include "pvmp3decoder_api.h" +#include "s_mp3bits.h" + +/*---------------------------------------------------------------------------- +; MACROS +; Define module specific macros here +----------------------------------------------------------------------------*/ + +/*---------------------------------------------------------------------------- +; DEFINES +; Include all pre-processor statements here. +----------------------------------------------------------------------------*/ + +/*---------------------------------------------------------------------------- +; EXTERNAL VARIABLES REFERENCES +; Declare variables used in this module but defined elsewhere +----------------------------------------------------------------------------*/ + +/*---------------------------------------------------------------------------- +; SIMPLE TYPEDEF'S +----------------------------------------------------------------------------*/ + +/*---------------------------------------------------------------------------- +; ENUMERATED TYPEDEF'S +----------------------------------------------------------------------------*/ + +/*---------------------------------------------------------------------------- +; STRUCTURES TYPEDEF'S +----------------------------------------------------------------------------*/ + +/*---------------------------------------------------------------------------- +; GLOBAL FUNCTION DEFINITIONS +; Function Prototype declaration +----------------------------------------------------------------------------*/ + +#ifdef __cplusplus +extern "C" +{ +#endif + + + ERROR_CODE pvmp3_framedecoder(tPVMP3DecoderExternal *pExt, + void *pMem); + + + + uint32 pvmp3_decoderMemRequirements(void); + + void pvmp3_InitDecoder(tPVMP3DecoderExternal *pExt, + void *pMem); + + + void pvmp3_resetDecoder(void *pMem); + + + void fillMainDataBuf(void *pMem, int32 temp); + + +#ifdef __cplusplus +} +#endif + +/*---------------------------------------------------------------------------- +; END +----------------------------------------------------------------------------*/ +#endif + diff --git a/sources/pvmp3dec/src/pvmp3_get_main_data_size.cpp b/sources/pvmp3dec/src/pvmp3_get_main_data_size.cpp new file mode 100644 index 00000000..423a7b12 --- /dev/null +++ b/sources/pvmp3dec/src/pvmp3_get_main_data_size.cpp @@ -0,0 +1,180 @@ +/* ------------------------------------------------------------------ + * Copyright (C) 1998-2009 PacketVideo + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either + * express or implied. + * See the License for the specific language governing permissions + * and limitations under the License. + * ------------------------------------------------------------------- + */ +/* +------------------------------------------------------------------------------ + + PacketVideo Corp. + MP3 Decoder Library + + Filename: pvmp3_get_main_data_size.cpp + + Date: 09/21/2007 + +------------------------------------------------------------------------------ + REVISION HISTORY + + + Description: + +------------------------------------------------------------------------------ + INPUT AND OUTPUT DEFINITIONS + + Input + mp3Header *info, pointer to mp3 header info structure + tmp3dec_file *pVars + contains information that needs to persist + between calls to this function, or is too big to + be placed on the stack, even though the data is + only needed during execution of this function + + Returns + + main data frame size + +------------------------------------------------------------------------------ + FUNCTION DESCRIPTION + + get main data frame size + +------------------------------------------------------------------------------ + REQUIREMENTS + + +------------------------------------------------------------------------------ + REFERENCES + + [1] ISO MPEG Audio Subgroup Software Simulation Group (1996) + ISO 13818-3 MPEG-2 Audio Decoder - Lower Sampling Frequency Extension + +------------------------------------------------------------------------------ + PSEUDO-CODE + +------------------------------------------------------------------------------ +*/ + + +/*---------------------------------------------------------------------------- +; INCLUDES +----------------------------------------------------------------------------*/ + +#include "pvmp3_tables.h" +#include "pvmp3_get_main_data_size.h" +#include "pv_mp3dec_fxd_op.h" + + +/*---------------------------------------------------------------------------- +; MACROS +; Define module specific macros here +----------------------------------------------------------------------------*/ + + +/*---------------------------------------------------------------------------- +; DEFINES +; Include all pre-processor statements here. Include conditional +; compile variables also. +----------------------------------------------------------------------------*/ + +/*---------------------------------------------------------------------------- +; LOCAL FUNCTION DEFINITIONS +; Function Prototype declaration +----------------------------------------------------------------------------*/ + +/*---------------------------------------------------------------------------- +; LOCAL STORE/BUFFER/POINTER DEFINITIONS +; Variable declaration - defined here and used outside this module +----------------------------------------------------------------------------*/ + +/*---------------------------------------------------------------------------- +; EXTERNAL FUNCTION REFERENCES +; Declare functions defined elsewhere and referenced in this module +----------------------------------------------------------------------------*/ + +/*---------------------------------------------------------------------------- +; EXTERNAL GLOBAL STORE/BUFFER/POINTER REFERENCES +; Declare variables used in this module but defined elsewhere +----------------------------------------------------------------------------*/ + +/*---------------------------------------------------------------------------- +; FUNCTION CODE +----------------------------------------------------------------------------*/ + +int32 pvmp3_get_main_data_size(mp3Header *info, + tmp3dec_file *pVars) +{ + + + int32 numBytes = fxp_mul32_Q28(mp3_bitrate[info->version_x][info->bitrate_index] << 20, + inv_sfreq[info->sampling_frequency]); + + + numBytes >>= (20 - info->version_x); + + /* + * Remove the size of the side information from the main data total + */ + if (info->version_x == MPEG_1) + { + pVars->predicted_frame_size = numBytes; + if (info->mode == MPG_MD_MONO) + { + numBytes -= 17; + } + else + { + numBytes -= 32; + } + } + else + { + numBytes >>= 1; + pVars->predicted_frame_size = numBytes; + + if (info->mode == MPG_MD_MONO) + { + numBytes -= 9; + } + else + { + numBytes -= 17; + } + } + + if (info->padding) + { + numBytes++; + pVars->predicted_frame_size++; + } + + if (info->error_protection) + { + numBytes -= 6; + } + else + { + numBytes -= 4; + } + + + if (numBytes < 0) + { + numBytes = 0; + } + + return(numBytes); +} + diff --git a/sources/pvmp3dec/src/pvmp3_get_main_data_size.h b/sources/pvmp3dec/src/pvmp3_get_main_data_size.h new file mode 100644 index 00000000..8e9eaa8a --- /dev/null +++ b/sources/pvmp3dec/src/pvmp3_get_main_data_size.h @@ -0,0 +1,101 @@ +/* ------------------------------------------------------------------ + * Copyright (C) 1998-2009 PacketVideo + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either + * express or implied. + * See the License for the specific language governing permissions + * and limitations under the License. + * ------------------------------------------------------------------- + */ +/* +------------------------------------------------------------------------------ + PacketVideo Corp. + MP3 Decoder Library + + Filename: pvmp3_get_main_data_size.h + + Date: 09/21/2007 + +------------------------------------------------------------------------------ + REVISION HISTORY + + Description: + +------------------------------------------------------------------------------ + INCLUDE DESCRIPTION + +------------------------------------------------------------------------------ +*/ + +/*---------------------------------------------------------------------------- +; CONTINUE ONLY IF NOT ALREADY DEFINED +----------------------------------------------------------------------------*/ +#ifndef PVMP3_GET_MAIN_DATA_SIZE_H +#define PVMP3_GET_MAIN_DATA_SIZE_H + +/*---------------------------------------------------------------------------- +; INCLUDES +----------------------------------------------------------------------------*/ + +#include "pvmp3_dec_defs.h" +#include "pvmp3_audio_type_defs.h" +#include "s_tmp3dec_file.h" + +/*---------------------------------------------------------------------------- +; MACROS +; Define module specific macros here +----------------------------------------------------------------------------*/ + +/*---------------------------------------------------------------------------- +; DEFINES +; Include all pre-processor statements here. +----------------------------------------------------------------------------*/ + +/*---------------------------------------------------------------------------- +; EXTERNAL VARIABLES REFERENCES +; Declare variables used in this module but defined elsewhere +----------------------------------------------------------------------------*/ + +/*---------------------------------------------------------------------------- +; SIMPLE TYPEDEF'S +----------------------------------------------------------------------------*/ + +/*---------------------------------------------------------------------------- +; ENUMERATED TYPEDEF'S +----------------------------------------------------------------------------*/ + +/*---------------------------------------------------------------------------- +; STRUCTURES TYPEDEF'S +----------------------------------------------------------------------------*/ + +/*---------------------------------------------------------------------------- +; GLOBAL FUNCTION DEFINITIONS +; Function Prototype declaration +----------------------------------------------------------------------------*/ + +#ifdef __cplusplus +extern "C" +{ +#endif + + int32 pvmp3_get_main_data_size(mp3Header *info, + tmp3dec_file *pVars); + +#ifdef __cplusplus +} +#endif + +/*---------------------------------------------------------------------------- +; END +----------------------------------------------------------------------------*/ +#endif + + diff --git a/sources/pvmp3dec/src/pvmp3_get_scale_factors.cpp b/sources/pvmp3dec/src/pvmp3_get_scale_factors.cpp new file mode 100644 index 00000000..f1a3ff8c --- /dev/null +++ b/sources/pvmp3dec/src/pvmp3_get_scale_factors.cpp @@ -0,0 +1,226 @@ +/* ------------------------------------------------------------------ + * Copyright (C) 1998-2009 PacketVideo + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either + * express or implied. + * See the License for the specific language governing permissions + * and limitations under the License. + * ------------------------------------------------------------------- + */ +/* +------------------------------------------------------------------------------ + + PacketVideo Corp. + MP3 Decoder Library + + Filename: pvmp3_get_scale_factors.cpp + + Date: 09/21/2007 + +------------------------------------------------------------------------------ + REVISION HISTORY + + + Description: + +------------------------------------------------------------------------------ + INPUT AND OUTPUT DEFINITIONS + + Input + mp3ScaleFactors *scalefac, + mp3SideInfo *si, side info + int32 gr, granule + int32 ch, channel + tbits *pMainData bit stream + + Returns + + mp3ScaleFactors *scalefac, scale factors + +------------------------------------------------------------------------------ + FUNCTION DESCRIPTION + + get scale factors + +------------------------------------------------------------------------------ + REQUIREMENTS + + +------------------------------------------------------------------------------ + REFERENCES + + [1] ISO MPEG Audio Subgroup Software Simulation Group (1996) + ISO 13818-3 MPEG-2 Audio Decoder - Lower Sampling Frequency Extension + +------------------------------------------------------------------------------ + PSEUDO-CODE + +------------------------------------------------------------------------------ +*/ + + +/*---------------------------------------------------------------------------- +; INCLUDES +----------------------------------------------------------------------------*/ + +#include "pvmp3_get_scale_factors.h" +#include "pvmp3_getbits.h" +#include "mp3_mem_funcs.h" + +/*---------------------------------------------------------------------------- +; MACROS +; Define module specific macros here +----------------------------------------------------------------------------*/ + + +/*---------------------------------------------------------------------------- +; DEFINES +; Include all pre-processor statements here. Include conditional +; compile variables also. +----------------------------------------------------------------------------*/ +#define Qfmt_28(a)(int32(double(0x10000000)*a)) + +/*---------------------------------------------------------------------------- +; LOCAL FUNCTION DEFINITIONS +; Function Prototype declaration +----------------------------------------------------------------------------*/ + +/*---------------------------------------------------------------------------- +; LOCAL STORE/BUFFER/POINTER DEFINITIONS +; Variable declaration - defined here and used outside this module +----------------------------------------------------------------------------*/ +const int32 slen[2][16] = +{ + {0, 0, 0, 0, 3, 1, 1, 1, 2, 2, 2, 3, 3, 3, 4, 4}, + {0, 1, 2, 3, 0, 1, 2, 3, 1, 2, 3, 1, 2, 3, 2, 3} +}; + +const struct +{ + int32 l[5]; + int32 s[3]; +} sfbtable = +{ + {0, 6, 11, 16, 21}, + {0, 6, 12} +}; + +const int32 long_sfbtable[4] = { 6, 5, 5, 5}; + +/*---------------------------------------------------------------------------- +; EXTERNAL FUNCTION REFERENCES +; Declare functions defined elsewhere and referenced in this module +----------------------------------------------------------------------------*/ + +/*---------------------------------------------------------------------------- +; EXTERNAL GLOBAL STORE/BUFFER/POINTER REFERENCES +; Declare variables used in this module but defined elsewhere +----------------------------------------------------------------------------*/ + +/*---------------------------------------------------------------------------- +; FUNCTION CODE +----------------------------------------------------------------------------*/ + +void pvmp3_get_scale_factors(mp3ScaleFactors *scalefac, + mp3SideInfo *si, + int32 gr, + int32 ch, + tmp3Bits *pMainData) +{ + int32 sfb; + int32 i; + int32 window; + granuleInfo *gr_info = &(si->ch[ch].gran[gr]); + + if (gr_info->window_switching_flag && (gr_info->block_type == 2)) + { + if (gr_info->mixed_block_flag) + { /* MIXED */ + for (sfb = 0; sfb < 8; sfb++) + { + scalefac->l[sfb] = getNbits(pMainData, slen[0][gr_info->scalefac_compress]); + } + + for (sfb = 3; sfb < 6; sfb++) + { + for (window = 0; window < 3; window++) + { + scalefac->s[window][sfb] = getNbits(pMainData, slen[0][gr_info->scalefac_compress]); + } + } + for (sfb = 6; sfb < 12; sfb++) + { + for (window = 0; window < 3; window++) + { + scalefac->s[window][sfb] = getNbits(pMainData, slen[1][gr_info->scalefac_compress]); + } + } + } + else + { /* SHORT*/ + for (i = 0; i < 2; i++) + { + for (sfb = sfbtable.s[i]; sfb < sfbtable.s[i+1]; sfb++) + { + for (window = 0; window < 3; window++) + { + scalefac->s[window][sfb] = getNbits(pMainData, slen[i][gr_info->scalefac_compress]); + } + } + } + } + + scalefac->s[0][12] = 0; /* sfb = 12 win= 0 */ + scalefac->s[1][12] = 0; /* sfb = 12 win= 1 */ + scalefac->s[2][12] = 0; /* sfb = 12 win= 2 */ + } + else + { /* LONG types 0,1,3 */ + + int32 *ptr = &scalefac->l[0]; + + for (i = 0; i < 4; i++) + { + int32 tmp4 = long_sfbtable[i]; + + if ((si->ch[ch].scfsi[i] == 0) || (gr == 0)) + { + int32 tmp1 = slen[(i>>1)][gr_info->scalefac_compress]; + + if (tmp1) + { + int32 tmp2 = tmp1 * tmp4; + uint32 tmp3 = getNbits(pMainData, tmp2); + tmp4 = 32 - tmp1; + for (; tmp2 > 0; tmp2 -= tmp1) + { + *(ptr++) = (tmp3 << (32 - tmp2)) >> tmp4; + } + } + else + { + for (sfb = tmp4; sfb != 0; sfb--) + { + *(ptr++) = 0; + } + + } + } + else + { + ptr += tmp4; + } + } + scalefac->l[21] = 0; + scalefac->l[22] = 0; + } +} + diff --git a/sources/pvmp3dec/src/pvmp3_get_scale_factors.h b/sources/pvmp3dec/src/pvmp3_get_scale_factors.h new file mode 100644 index 00000000..d4f262bf --- /dev/null +++ b/sources/pvmp3dec/src/pvmp3_get_scale_factors.h @@ -0,0 +1,104 @@ +/* ------------------------------------------------------------------ + * Copyright (C) 1998-2009 PacketVideo + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either + * express or implied. + * See the License for the specific language governing permissions + * and limitations under the License. + * ------------------------------------------------------------------- + */ +/* +------------------------------------------------------------------------------ + PacketVideo Corp. + MP3 Decoder Library + + Filename: pvmp3_get_scale_factors.h + + Date: 09/21/2007 + +------------------------------------------------------------------------------ + REVISION HISTORY + + Description: + +------------------------------------------------------------------------------ + INCLUDE DESCRIPTION + +------------------------------------------------------------------------------ +*/ + +/*---------------------------------------------------------------------------- +; CONTINUE ONLY IF NOT ALREADY DEFINED +----------------------------------------------------------------------------*/ +#ifndef PVMP3_GET_SCALE_FACTORS_H +#define PVMP3_GET_SCALE_FACTORS_H + +/*---------------------------------------------------------------------------- +; INCLUDES +----------------------------------------------------------------------------*/ + +#include "pvmp3_dec_defs.h" +#include "pvmp3_audio_type_defs.h" +#include "s_mp3bits.h" + +/*---------------------------------------------------------------------------- +; MACROS +; Define module specific macros here +----------------------------------------------------------------------------*/ + +/*---------------------------------------------------------------------------- +; DEFINES +; Include all pre-processor statements here. +----------------------------------------------------------------------------*/ + +/*---------------------------------------------------------------------------- +; EXTERNAL VARIABLES REFERENCES +; Declare variables used in this module but defined elsewhere +----------------------------------------------------------------------------*/ + +/*---------------------------------------------------------------------------- +; SIMPLE TYPEDEF'S +----------------------------------------------------------------------------*/ + +/*---------------------------------------------------------------------------- +; ENUMERATED TYPEDEF'S +----------------------------------------------------------------------------*/ + +/*---------------------------------------------------------------------------- +; STRUCTURES TYPEDEF'S +----------------------------------------------------------------------------*/ + +/*---------------------------------------------------------------------------- +; GLOBAL FUNCTION DEFINITIONS +; Function Prototype declaration +----------------------------------------------------------------------------*/ + +#ifdef __cplusplus +extern "C" +{ +#endif + + void pvmp3_get_scale_factors(mp3ScaleFactors *scalefac, + mp3SideInfo *si, + int32 gr, + int32 ch, + tmp3Bits *pMainData); + + +#ifdef __cplusplus +} +#endif + +/*---------------------------------------------------------------------------- +; END +----------------------------------------------------------------------------*/ +#endif + diff --git a/sources/pvmp3dec/src/pvmp3_get_side_info.cpp b/sources/pvmp3dec/src/pvmp3_get_side_info.cpp new file mode 100644 index 00000000..7eaa8607 --- /dev/null +++ b/sources/pvmp3dec/src/pvmp3_get_side_info.cpp @@ -0,0 +1,285 @@ +/* ------------------------------------------------------------------ + * Copyright (C) 1998-2009 PacketVideo + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either + * express or implied. + * See the License for the specific language governing permissions + * and limitations under the License. + * ------------------------------------------------------------------- + */ +/* +------------------------------------------------------------------------------ + + PacketVideo Corp. + MP3 Decoder Library + + Filename: pvmp3_get_side_info.cpp + + Date: 09/21/2007 + +------------------------------------------------------------------------------ + REVISION HISTORY + + + Description: + +------------------------------------------------------------------------------ + INPUT AND OUTPUT DEFINITIONS + +Input + mp3SideInfo *si, + mp3Header *info, mp3 header information + uint32 *crc initialized crc value (if enabled) + + + Returns + + mp3SideInfo *si, side information + + +------------------------------------------------------------------------------ + FUNCTION DESCRIPTION + + acquires side information + +------------------------------------------------------------------------------ + REQUIREMENTS + + +------------------------------------------------------------------------------ + REFERENCES + + [1] ISO MPEG Audio Subgroup Software Simulation Group (1996) + ISO 13818-3 MPEG-2 Audio Decoder - Lower Sampling Frequency Extension + +------------------------------------------------------------------------------ + PSEUDO-CODE + +------------------------------------------------------------------------------ +*/ + + +/*---------------------------------------------------------------------------- +; INCLUDES +----------------------------------------------------------------------------*/ + +#include "pvmp3_get_side_info.h" +#include "pvmp3_crc.h" + + +/*---------------------------------------------------------------------------- +; MACROS +; Define module specific macros here +----------------------------------------------------------------------------*/ + + +/*---------------------------------------------------------------------------- +; DEFINES +; Include all pre-processor statements here. Include conditional +; compile variables also. +----------------------------------------------------------------------------*/ + +/*---------------------------------------------------------------------------- +; LOCAL FUNCTION DEFINITIONS +; Function Prototype declaration +----------------------------------------------------------------------------*/ + +/*---------------------------------------------------------------------------- +; LOCAL STORE/BUFFER/POINTER DEFINITIONS +; Variable declaration - defined here and used outside this module +----------------------------------------------------------------------------*/ + +/*---------------------------------------------------------------------------- +; EXTERNAL FUNCTION REFERENCES +; Declare functions defined elsewhere and referenced in this module +----------------------------------------------------------------------------*/ + +/*---------------------------------------------------------------------------- +; EXTERNAL GLOBAL STORE/BUFFER/POINTER REFERENCES +; Declare variables used in this module but defined elsewhere +----------------------------------------------------------------------------*/ + +/*---------------------------------------------------------------------------- +; FUNCTION CODE +----------------------------------------------------------------------------*/ + +ERROR_CODE pvmp3_get_side_info(tmp3Bits *inputStream, + mp3SideInfo *si, + mp3Header *info, + uint32 *crc) +{ + int32 ch, gr; + uint32 tmp; + + int stereo = (info->mode == MPG_MD_MONO) ? 1 : 2; + + if (info->version_x == MPEG_1) + { + if (stereo == 1) + { + tmp = getbits_crc(inputStream, 14, crc, info->error_protection); + si->main_data_begin = (tmp << 18) >> 23; /* 9 */ + si->private_bits = (tmp << 23) >> 27; /* 5 */ + } + else + { + tmp = getbits_crc(inputStream, 12, crc, info->error_protection); + si->main_data_begin = (tmp << 20) >> 23; /* 9 */ + si->private_bits = (tmp << 23) >> 29; /* 3 */ + + } + + for (ch = 0; ch < stereo; ch++) + { + tmp = getbits_crc(inputStream, 4, crc, info->error_protection); + si->ch[ch].scfsi[0] = (tmp << 28) >> 31; /* 1 */ + si->ch[ch].scfsi[1] = (tmp << 29) >> 31; /* 1 */ + si->ch[ch].scfsi[2] = (tmp << 30) >> 31; /* 1 */ + si->ch[ch].scfsi[3] = tmp & 1; /* 1 */ + } + + for (gr = 0; gr < 2 ; gr++) + { + for (ch = 0; ch < stereo; ch++) + { + si->ch[ch].gran[gr].part2_3_length = getbits_crc(inputStream, 12, crc, info->error_protection); + tmp = getbits_crc(inputStream, 22, crc, info->error_protection); + + si->ch[ch].gran[gr].big_values = (tmp << 10) >> 23; /* 9 */ + si->ch[ch].gran[gr].global_gain = ((tmp << 19) >> 24) - 210; /* 8 */ + si->ch[ch].gran[gr].scalefac_compress = (tmp << 27) >> 28; /* 4 */ + si->ch[ch].gran[gr].window_switching_flag = tmp & 1; /* 1 */ + + if (si->ch[ch].gran[gr].window_switching_flag) + { + tmp = getbits_crc(inputStream, 22, crc, info->error_protection); + + si->ch[ch].gran[gr].block_type = (tmp << 10) >> 30; /* 2 */; + si->ch[ch].gran[gr].mixed_block_flag = (tmp << 12) >> 31; /* 1 */; + + si->ch[ch].gran[gr].table_select[0] = (tmp << 13) >> 27; /* 5 */; + si->ch[ch].gran[gr].table_select[1] = (tmp << 18) >> 27; /* 5 */; + + si->ch[ch].gran[gr].subblock_gain[0] = (tmp << 23) >> 29; /* 3 */; + si->ch[ch].gran[gr].subblock_gain[1] = (tmp << 26) >> 29; /* 3 */; + si->ch[ch].gran[gr].subblock_gain[2] = (tmp << 29) >> 29; /* 3 */; + + /* Set region_count parameters since they are implicit in this case. */ + + if (si->ch[ch].gran[gr].block_type == 0) + { + return(SIDE_INFO_ERROR); + } + else if ((si->ch[ch].gran[gr].block_type == 2) + && (si->ch[ch].gran[gr].mixed_block_flag == 0)) + { + si->ch[ch].gran[gr].region0_count = 8; /* MI 9; */ + si->ch[ch].gran[gr].region1_count = 12; + } + else + { + si->ch[ch].gran[gr].region0_count = 7; /* MI 8; */ + si->ch[ch].gran[gr].region1_count = 13; + } + } + else + { + tmp = getbits_crc(inputStream, 22, crc, info->error_protection); + + si->ch[ch].gran[gr].table_select[0] = (tmp << 10) >> 27; /* 5 */; + si->ch[ch].gran[gr].table_select[1] = (tmp << 15) >> 27; /* 5 */; + si->ch[ch].gran[gr].table_select[2] = (tmp << 20) >> 27; /* 5 */; + + si->ch[ch].gran[gr].region0_count = (tmp << 25) >> 28; /* 4 */; + si->ch[ch].gran[gr].region1_count = (tmp << 29) >> 29; /* 3 */; + + si->ch[ch].gran[gr].block_type = 0; + } + + tmp = getbits_crc(inputStream, 3, crc, info->error_protection); + si->ch[ch].gran[gr].preflag = (tmp << 29) >> 31; /* 1 */ + si->ch[ch].gran[gr].scalefac_scale = (tmp << 30) >> 31; /* 1 */ + si->ch[ch].gran[gr].count1table_select = tmp & 1; /* 1 */ + } + } + } + else /* Layer 3 LSF */ + { + si->main_data_begin = getbits_crc(inputStream, 8, crc, info->error_protection); + si->private_bits = getbits_crc(inputStream, stereo, crc, info->error_protection); + + for (ch = 0; ch < stereo; ch++) + { + tmp = getbits_crc(inputStream, 21, crc, info->error_protection); + si->ch[ch].gran[0].part2_3_length = (tmp << 11) >> 20; /* 12 */ + si->ch[ch].gran[0].big_values = (tmp << 23) >> 23; /* 9 */ + + tmp = getbits_crc(inputStream, 18, crc, info->error_protection); + si->ch[ch].gran[0].global_gain = ((tmp << 14) >> 24) - 210; /* 8 */ + si->ch[ch].gran[0].scalefac_compress = (tmp << 22) >> 23; /* 9 */ + si->ch[ch].gran[0].window_switching_flag = tmp & 1; /* 1 */ + + if (si->ch[ch].gran[0].window_switching_flag) + { + + tmp = getbits_crc(inputStream, 22, crc, info->error_protection); + + si->ch[ch].gran[0].block_type = (tmp << 10) >> 30; /* 2 */; + si->ch[ch].gran[0].mixed_block_flag = (tmp << 12) >> 31; /* 1 */; + + si->ch[ch].gran[0].table_select[0] = (tmp << 13) >> 27; /* 5 */; + si->ch[ch].gran[0].table_select[1] = (tmp << 18) >> 27; /* 5 */; + + si->ch[ch].gran[0].subblock_gain[0] = (tmp << 23) >> 29; /* 3 */; + si->ch[ch].gran[0].subblock_gain[1] = (tmp << 26) >> 29; /* 3 */; + si->ch[ch].gran[0].subblock_gain[2] = (tmp << 29) >> 29; /* 3 */; + + /* Set region_count parameters since they are implicit in this case. */ + + if (si->ch[ch].gran[0].block_type == 0) + { + return(SIDE_INFO_ERROR); + } + else if ((si->ch[ch].gran[0].block_type == 2) + && (si->ch[ch].gran[0].mixed_block_flag == 0)) + { + si->ch[ch].gran[0].region0_count = 8; /* MI 9; */ + si->ch[ch].gran[0].region1_count = 12; + } + else + { + si->ch[ch].gran[0].region0_count = 7; /* MI 8; */ + si->ch[ch].gran[0].region1_count = 13; + } + } + else + { + tmp = getbits_crc(inputStream, 22, crc, info->error_protection); + + si->ch[ch].gran[0].table_select[0] = (tmp << 10) >> 27; /* 5 */; + si->ch[ch].gran[0].table_select[1] = (tmp << 15) >> 27; /* 5 */; + si->ch[ch].gran[0].table_select[2] = (tmp << 20) >> 27; /* 5 */; + + si->ch[ch].gran[0].region0_count = (tmp << 25) >> 28; /* 4 */; + si->ch[ch].gran[0].region1_count = (tmp << 29) >> 29; /* 3 */; + + si->ch[ch].gran[0].block_type = 0; + } + + tmp = getbits_crc(inputStream, 2, crc, info->error_protection); + si->ch[ch].gran[0].scalefac_scale = tmp >> 1; /* 1 */ + si->ch[ch].gran[0].count1table_select = tmp & 1; /* 1 */ + + } + } + return (NO_DECODING_ERROR); +} + diff --git a/sources/pvmp3dec/src/pvmp3_get_side_info.h b/sources/pvmp3dec/src/pvmp3_get_side_info.h new file mode 100644 index 00000000..2d6ccd8e --- /dev/null +++ b/sources/pvmp3dec/src/pvmp3_get_side_info.h @@ -0,0 +1,102 @@ +/* ------------------------------------------------------------------ + * Copyright (C) 1998-2009 PacketVideo + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either + * express or implied. + * See the License for the specific language governing permissions + * and limitations under the License. + * ------------------------------------------------------------------- + */ +/* +------------------------------------------------------------------------------ + PacketVideo Corp. + MP3 Decoder Library + + Filename: pvmp3_get_side_info.h + + Date: 09/21/2007 + +------------------------------------------------------------------------------ + REVISION HISTORY + + Description: + +------------------------------------------------------------------------------ + INCLUDE DESCRIPTION + +------------------------------------------------------------------------------ +*/ + +/*---------------------------------------------------------------------------- +; CONTINUE ONLY IF NOT ALREADY DEFINED +----------------------------------------------------------------------------*/ +#ifndef PVMP3_GET_SIDE_INFO_H +#define PVMP3_GET_SIDE_INFO_H + +/*---------------------------------------------------------------------------- +; INCLUDES +----------------------------------------------------------------------------*/ + +#include "pvmp3_dec_defs.h" +#include "pvmp3_audio_type_defs.h" +#include "s_mp3bits.h" + +/*---------------------------------------------------------------------------- +; MACROS +; Define module specific macros here +----------------------------------------------------------------------------*/ + +/*---------------------------------------------------------------------------- +; DEFINES +; Include all pre-processor statements here. +----------------------------------------------------------------------------*/ + +/*---------------------------------------------------------------------------- +; EXTERNAL VARIABLES REFERENCES +; Declare variables used in this module but defined elsewhere +----------------------------------------------------------------------------*/ + +/*---------------------------------------------------------------------------- +; SIMPLE TYPEDEF'S +----------------------------------------------------------------------------*/ + +/*---------------------------------------------------------------------------- +; ENUMERATED TYPEDEF'S +----------------------------------------------------------------------------*/ + +/*---------------------------------------------------------------------------- +; STRUCTURES TYPEDEF'S +----------------------------------------------------------------------------*/ + +/*---------------------------------------------------------------------------- +; GLOBAL FUNCTION DEFINITIONS +; Function Prototype declaration +----------------------------------------------------------------------------*/ + +#ifdef __cplusplus +extern "C" +{ +#endif + + ERROR_CODE pvmp3_get_side_info(tmp3Bits *inputStream, + mp3SideInfo *si, + mp3Header *info, + uint32 *crc); + +#ifdef __cplusplus +} +#endif + +/*---------------------------------------------------------------------------- +; END +----------------------------------------------------------------------------*/ +#endif + diff --git a/sources/pvmp3dec/src/pvmp3_getbits.cpp b/sources/pvmp3dec/src/pvmp3_getbits.cpp new file mode 100644 index 00000000..8ff79538 --- /dev/null +++ b/sources/pvmp3dec/src/pvmp3_getbits.cpp @@ -0,0 +1,257 @@ +/* ------------------------------------------------------------------ + * Copyright (C) 1998-2009 PacketVideo + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either + * express or implied. + * See the License for the specific language governing permissions + * and limitations under the License. + * ------------------------------------------------------------------- + */ +/* +------------------------------------------------------------------------------ + + PacketVideo Corp. + MP3 Decoder Library + + Filename: pvmp3_getbits.cpp + + + Date: 09/21/2007 + +------------------------------------------------------------------------------ + REVISION HISTORY + + + Description: + +------------------------------------------------------------------------------ + INPUT AND OUTPUT DEFINITIONS + + Inputs: + + tmp3Bits *inputStream, structure holding the input stream parameters + int32 neededBits number of bits to read from the bit stream + + Outputs: + + word parsed from teh bitstream, with size neededBits-bits, + +------------------------------------------------------------------------------ + FUNCTION DESCRIPTION + + +------------------------------------------------------------------------------ + REQUIREMENTS + + +------------------------------------------------------------------------------ + REFERENCES + [1] ISO MPEG Audio Subgroup Software Simulation Group (1996) + ISO 13818-3 MPEG-2 Audio Decoder - Lower Sampling Frequency Extension + + +------------------------------------------------------------------------------ + PSEUDO-CODE + +------------------------------------------------------------------------------ +*/ + +/*---------------------------------------------------------------------------- +; INCLUDES +----------------------------------------------------------------------------*/ +#include "pvmp3_getbits.h" + +/*---------------------------------------------------------------------------- +; MACROS +; Define module specific macros here +----------------------------------------------------------------------------*/ + + +/*---------------------------------------------------------------------------- +; DEFINES +; Include all pre-processor statements here. Include conditional +; compile variables also. +----------------------------------------------------------------------------*/ + + +/*---------------------------------------------------------------------------- +; LOCAL FUNCTION DEFINITIONS +; Function Prototype declaration +----------------------------------------------------------------------------*/ + +/*---------------------------------------------------------------------------- +; LOCAL STORE/BUFFER/POINTER DEFINITIONS +; Variable declaration - defined here and used outside this module +----------------------------------------------------------------------------*/ + +/*---------------------------------------------------------------------------- +; EXTERNAL FUNCTION REFERENCES +; Declare functions defined elsewhere and referenced in this module +----------------------------------------------------------------------------*/ + +/*---------------------------------------------------------------------------- +; EXTERNAL GLOBAL STORE/BUFFER/POINTER REFERENCES +; Declare variables used in this module but defined elsewhere +----------------------------------------------------------------------------*/ + + +/*---------------------------------------------------------------------------- +; FUNCTION CODE +----------------------------------------------------------------------------*/ + +uint32 getNbits(tmp3Bits *ptBitStream, + int32 neededBits) /* number of bits to read from the bitstream (up to 25) */ +{ + + uint32 offset; + uint32 bitIndex; + uint8 Elem; /* Needs to be same type as pInput->pBuffer */ + uint8 Elem1; + uint8 Elem2; + uint8 Elem3; + uint32 returnValue = 0; + + if (!neededBits) + { + return (returnValue); + } + + offset = (ptBitStream->usedBits) >> INBUF_ARRAY_INDEX_SHIFT; + + Elem = *(ptBitStream->pBuffer + module(offset , BUFSIZE)); + Elem1 = *(ptBitStream->pBuffer + module(offset + 1, BUFSIZE)); + Elem2 = *(ptBitStream->pBuffer + module(offset + 2, BUFSIZE)); + Elem3 = *(ptBitStream->pBuffer + module(offset + 3, BUFSIZE)); + + + returnValue = (((uint32)(Elem)) << 24) | + (((uint32)(Elem1)) << 16) | + (((uint32)(Elem2)) << 8) | + ((uint32)(Elem3)); + + /* Remove extra high bits by shifting up */ + bitIndex = module(ptBitStream->usedBits, INBUF_BIT_WIDTH); + + /* This line is faster than to mask off the high bits. */ + returnValue <<= bitIndex; + + /* Move the field down. */ + returnValue >>= (32 - neededBits); + + ptBitStream->usedBits += neededBits; + + return (returnValue); +} + +/*---------------------------------------------------------------------------- +; FUNCTION CODE +----------------------------------------------------------------------------*/ + +uint16 getUpTo9bits(tmp3Bits *ptBitStream, + int32 neededBits) /* number of bits to read from the bit stream 2 to 9 */ +{ + + uint32 offset; + uint32 bitIndex; + uint8 Elem; /* Needs to be same type as pInput->pBuffer */ + uint8 Elem1; + uint16 returnValue; + + offset = (ptBitStream->usedBits) >> INBUF_ARRAY_INDEX_SHIFT; + + Elem = *(ptBitStream->pBuffer + module(offset , BUFSIZE)); + Elem1 = *(ptBitStream->pBuffer + module(offset + 1, BUFSIZE)); + + + returnValue = (((uint16)(Elem)) << 8) | + ((uint16)(Elem1)); + + /* Remove extra high bits by shifting up */ + bitIndex = module(ptBitStream->usedBits, INBUF_BIT_WIDTH); + + ptBitStream->usedBits += neededBits; + /* This line is faster than to mask off the high bits. */ + returnValue = (returnValue << (bitIndex)); + + /* Move the field down. */ + + return (uint16)(returnValue >> (16 - neededBits)); + +} + +/*---------------------------------------------------------------------------- +; FUNCTION CODE +----------------------------------------------------------------------------*/ + +uint32 getUpTo17bits(tmp3Bits *ptBitStream, + int32 neededBits) /* number of bits to read from the bit stream 2 to 8 */ +{ + + uint32 offset; + uint32 bitIndex; + uint8 Elem; /* Needs to be same type as pInput->pBuffer */ + uint8 Elem1; + uint8 Elem2; + uint32 returnValue; + + offset = (ptBitStream->usedBits) >> INBUF_ARRAY_INDEX_SHIFT; + + Elem = *(ptBitStream->pBuffer + module(offset , BUFSIZE)); + Elem1 = *(ptBitStream->pBuffer + module(offset + 1, BUFSIZE)); + Elem2 = *(ptBitStream->pBuffer + module(offset + 2, BUFSIZE)); + + + returnValue = (((uint32)(Elem)) << 16) | + (((uint32)(Elem1)) << 8) | + ((uint32)(Elem2)); + + /* Remove extra high bits by shifting up */ + bitIndex = module(ptBitStream->usedBits, INBUF_BIT_WIDTH); + + ptBitStream->usedBits += neededBits; + /* This line is faster than to mask off the high bits. */ + returnValue = 0xFFFFFF & (returnValue << (bitIndex)); + + /* Move the field down. */ + + return (uint32)(returnValue >> (24 - neededBits)); + +} + +/*---------------------------------------------------------------------------- +; FUNCTION CODE +----------------------------------------------------------------------------*/ + +uint8 get1bit(tmp3Bits *ptBitStream) /* number of bits to read from the bit stream */ +{ + + uint32 offset; + uint32 bitIndex; + uint8 returnValue; + + offset = (ptBitStream->usedBits) >> INBUF_ARRAY_INDEX_SHIFT; + + returnValue = *(ptBitStream->pBuffer + module(offset , BUFSIZE)); + + /* Remove extra high bits by shifting up */ + bitIndex = module(ptBitStream->usedBits, INBUF_BIT_WIDTH); + ptBitStream->usedBits++; + + /* This line is faster than to mask off the high bits. */ + returnValue = (returnValue << (bitIndex)); + + return (uint8)(returnValue >> 7); + +} + + + + diff --git a/sources/pvmp3dec/src/pvmp3_getbits.h b/sources/pvmp3dec/src/pvmp3_getbits.h new file mode 100644 index 00000000..b058b007 --- /dev/null +++ b/sources/pvmp3dec/src/pvmp3_getbits.h @@ -0,0 +1,112 @@ +/* ------------------------------------------------------------------ + * Copyright (C) 1998-2009 PacketVideo + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either + * express or implied. + * See the License for the specific language governing permissions + * and limitations under the License. + * ------------------------------------------------------------------- + */ +/* +------------------------------------------------------------------------------ + PacketVideo Corp. + MP3 Decoder Library + + Filename: pvmp3_getbits.h + + Date: 09/21/2007 + +------------------------------------------------------------------------------ + REVISION HISTORY + + Description: + +------------------------------------------------------------------------------ + INCLUDE DESCRIPTION + + +------------------------------------------------------------------------------ +*/ + +/*---------------------------------------------------------------------------- +; CONTINUE ONLY IF NOT ALREADY DEFINED +----------------------------------------------------------------------------*/ +#ifndef PVMP3_GETBITS_H +#define PVMP3_GETBITS_H + +/*---------------------------------------------------------------------------- +; INCLUDES +----------------------------------------------------------------------------*/ +#include "pvmp3_dec_defs.h" +#include "s_mp3bits.h" +#include "pvmp3_audio_type_defs.h" + +/*---------------------------------------------------------------------------- +; MACROS +; Define module specific macros here +----------------------------------------------------------------------------*/ + +/*---------------------------------------------------------------------------- +; DEFINES +; Include all pre-processor statements here. +----------------------------------------------------------------------------*/ +#define INBUF_ARRAY_INDEX_SHIFT (3) +#define INBUF_BIT_WIDTH (1<<(INBUF_ARRAY_INDEX_SHIFT)) +#define INBUF_BIT_MODULO_MASK ((INBUF_BIT_WIDTH)-1) + + +/*---------------------------------------------------------------------------- +; EXTERNAL VARIABLES REFERENCES +; Declare variables used in this module but defined elsewhere +----------------------------------------------------------------------------*/ + +/*---------------------------------------------------------------------------- +; SIMPLE TYPEDEF'S +----------------------------------------------------------------------------*/ + +/*---------------------------------------------------------------------------- +; ENUMERATED TYPEDEF'S +----------------------------------------------------------------------------*/ + +/*---------------------------------------------------------------------------- +; STRUCTURES TYPEDEF'S +----------------------------------------------------------------------------*/ +#ifdef __cplusplus +extern "C" +{ +#endif + + uint32 getNbits(tmp3Bits *pMainData, + int32 neededBits); + + uint16 getUpTo9bits(tmp3Bits *pMainData, + int32 neededBits); + + uint32 getUpTo17bits(tmp3Bits *pMainData, + int32 neededBits); + + uint8 get1bit(tmp3Bits *pMainData); + +#ifdef __cplusplus +} +#endif + +/*---------------------------------------------------------------------------- +; GLOBAL FUNCTION DEFINITIONS +; Function Prototype declaration +----------------------------------------------------------------------------*/ + +/*---------------------------------------------------------------------------- +; END +----------------------------------------------------------------------------*/ + +#endif + diff --git a/sources/pvmp3dec/src/pvmp3_huffman_decoding.cpp b/sources/pvmp3dec/src/pvmp3_huffman_decoding.cpp new file mode 100644 index 00000000..5d58cd2c --- /dev/null +++ b/sources/pvmp3dec/src/pvmp3_huffman_decoding.cpp @@ -0,0 +1,304 @@ +/* ------------------------------------------------------------------ + * Copyright (C) 1998-2009 PacketVideo + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either + * express or implied. + * See the License for the specific language governing permissions + * and limitations under the License. + * ------------------------------------------------------------------- + */ +/* +------------------------------------------------------------------------------ + + PacketVideo Corp. + MP3 Decoder Library + + Filename: pvmp3_huffman_decoding.cpp + + Funtions: + pvmp3_huffman_quad_decoding + pvmp3_huffman_pair_decoding + pvmp3_huffman_pair_decoding_linbits + + Date: 09/21/2007 + +------------------------------------------------------------------------------ + REVISION HISTORY + + + Description: + +------------------------------------------------------------------------------ + INPUT AND OUTPUT DEFINITIONS + + Inputs: + struct huffcodetab *h, pointer to huffman code record + int32 *x, returns decoded x value + int32 *y, returns decoded y value + int32 *v, returns decoded v value (only in quad function) + int32 *w, returns decoded w value (only in quad function) + tbits *pMainData bit stream + + Outputs: + + +------------------------------------------------------------------------------ + FUNCTION DESCRIPTION + + These functions are used to decode huffman codewords from the input + bitstream using combined binary search and look-up table approach. + +------------------------------------------------------------------------------ + REQUIREMENTS + + +------------------------------------------------------------------------------ + REFERENCES + [1] ISO MPEG Audio Subgroup Software Simulation Group (1996) + ISO 13818-3 MPEG-2 Audio Decoder - Lower Sampling Frequency Extension + + +------------------------------------------------------------------------------ + PSEUDO-CODE + +------------------------------------------------------------------------------ +*/ + + +/*---------------------------------------------------------------------------- +; INCLUDES +----------------------------------------------------------------------------*/ +#include "pvmp3_dec_defs.h" +#include "pv_mp3_huffman.h" +#include "pvmp3_getbits.h" + + +/*---------------------------------------------------------------------------- +; MACROS +; Define module specific macros here +----------------------------------------------------------------------------*/ + + +/*---------------------------------------------------------------------------- +; DEFINES +; Include all pre-processor statements here. Include conditional +; compile variables also. +----------------------------------------------------------------------------*/ + + +/*---------------------------------------------------------------------------- +; LOCAL FUNCTION DEFINITIONS +; Function Prototype declaration +----------------------------------------------------------------------------*/ + +/*---------------------------------------------------------------------------- +; LOCAL STORE/BUFFER/POINTER DEFINITIONS +; Variable declaration - defined here and used outside this module +----------------------------------------------------------------------------*/ + +/*---------------------------------------------------------------------------- +; EXTERNAL FUNCTION REFERENCES +; Declare functions defined elsewhere and referenced in this module +----------------------------------------------------------------------------*/ + +/*---------------------------------------------------------------------------- +; EXTERNAL GLOBAL STORE/BUFFER/POINTER REFERENCES +; Declare variables used in this module but defined elsewhere +----------------------------------------------------------------------------*/ + +/*---------------------------------------------------------------------------- +; FUNCTION CODE +----------------------------------------------------------------------------*/ + + +void pvmp3_huffman_quad_decoding(struct huffcodetab *h, + int32 *is, + tmp3Bits *pMainData) +{ + + int32 x; + int32 y; + int32 v; + int32 w; + + y = (*h->pdec_huff_tab)(pMainData); + + + if (y) + { + v = (y >> 3); + + if (v) + { + if (get1bit(pMainData)) + { + v = -v; + } + } + w = (y >> 2) & 1; + if (w) + { + if (get1bit(pMainData)) + { + w = -w; + } + } + x = (y >> 1) & 1; + if (x) + { + if (get1bit(pMainData)) + { + x = -x; + } + } + y = y & 1; + if (y) + { + if (get1bit(pMainData)) + { + y = -y; + } + } + + } + else + { + v = 0; + w = 0; + x = 0; + + } + + *is = v; + *(is + 1) = w; + *(is + 2) = x; + *(is + 3) = y; + +} + + + +void pvmp3_huffman_pair_decoding(struct huffcodetab *h, /* pointer to huffman code record */ + int32 *is, + tmp3Bits *pMainData) +{ + /* Lookup in Huffman table. */ + int32 x; + int32 y; + + uint16 cw = (*h->pdec_huff_tab)(pMainData); + + /* Process sign and escape encodings for dual tables. */ + + + if (cw) + { + x = cw >> 4; + + if (x) + { + if (get1bit(pMainData)) + { + x = -x; + } + y = cw & 0xf; + if (y && get1bit(pMainData)) + { + y = -y; + } + + } + else + { + y = cw & 0xf; + if (get1bit(pMainData)) + { + y = -y; + } + } + + *is = x; + *(is + 1) = y; + } + else + { + *is = 0; + *(is + 1) = 0; + } + + + +} + + + + +void pvmp3_huffman_pair_decoding_linbits(struct huffcodetab *h, /* pointer to huffman code record */ + int32 *is, + tmp3Bits *pMainData) +{ + int32 x; + int32 y; + + uint16 cw; + /* Lookup in Huffman table. */ + + + cw = (*h->pdec_huff_tab)(pMainData); + x = cw >> 4; + + /* Process sign and escape encodings for dual tables. */ + + + if (15 == (uint32)x) + { + int32 tmp = getUpTo17bits(pMainData, (h->linbits + 1)); + x += tmp >> 1; + if (tmp&1) + { + x = -x; + } + } + else if (x) + { + if (get1bit(pMainData)) + { + x = -x; + } + } + + y = cw & 0xf; + if (15 == (uint32)y) + { + int32 tmp = getUpTo17bits(pMainData, (h->linbits + 1)); + y += tmp >> 1; + if (tmp&1) + { + y = -y; + } + } + else if (y) + { + if (get1bit(pMainData)) + { + y = -y; + } + } + + *is = x; + *(is + 1) = y; + +} + + + + + diff --git a/sources/pvmp3dec/src/pvmp3_huffman_parsing.cpp b/sources/pvmp3dec/src/pvmp3_huffman_parsing.cpp new file mode 100644 index 00000000..ff815dc6 --- /dev/null +++ b/sources/pvmp3dec/src/pvmp3_huffman_parsing.cpp @@ -0,0 +1,328 @@ +/* ------------------------------------------------------------------ + * Copyright (C) 1998-2009 PacketVideo + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either + * express or implied. + * See the License for the specific language governing permissions + * and limitations under the License. + * ------------------------------------------------------------------- + */ + +/* +------------------------------------------------------------------------------ + + PacketVideo Corp. + MP3 Decoder Library + + Filename: pvmp3_huffman_decoding.cpp + + Funtions: + pvmp3_huffman_quad_decoding + pvmp3_huffman_pair_decoding + pvmp3_huffman_pair_decoding_linbits + + Date: 09/21/2007 + +------------------------------------------------------------------------------ + REVISION HISTORY + + + Description: + +------------------------------------------------------------------------------ + INPUT AND OUTPUT DEFINITIONS + + Inputs: + int32 is[], + granuleInfo *grInfo, information for the given channel and granule + tmp3dec_file *pVars, decoder state structure + int32 part2_start, index to beginning of part 2 data + mp3Header *info mp3 header info + + Outputs: + int32 is[], uncompressed data + + Return: + non zero frequency lines + +------------------------------------------------------------------------------ + FUNCTION DESCRIPTION + + These functions are used to decode huffman codewords from the input + bitstream using combined binary search and look-up table approach. + +------------------------------------------------------------------------------ + REQUIREMENTS + + +------------------------------------------------------------------------------ + REFERENCES + [1] ISO MPEG Audio Subgroup Software Simulation Group (1996) + ISO 13818-3 MPEG-2 Audio Decoder - Lower Sampling Frequency Extension + + +------------------------------------------------------------------------------ + PSEUDO-CODE + +------------------------------------------------------------------------------ +*/ + + +/*---------------------------------------------------------------------------- +; INCLUDES +----------------------------------------------------------------------------*/ +#include "pv_mp3_huffman.h" +#include "s_mp3bits.h" +#include "mp3_mem_funcs.h" +#include "pvmp3_tables.h" + + +/*---------------------------------------------------------------------------- +; MACROS +; Define module specific macros here +----------------------------------------------------------------------------*/ + + +/*---------------------------------------------------------------------------- +; DEFINES +; Include all pre-processor statements here. Include conditional +; compile variables also. +----------------------------------------------------------------------------*/ + + +/*---------------------------------------------------------------------------- +; LOCAL FUNCTION DEFINITIONS +; Function Prototype declaration +----------------------------------------------------------------------------*/ + +/*---------------------------------------------------------------------------- +; LOCAL STORE/BUFFER/POINTER DEFINITIONS +; Variable declaration - defined here and used outside this module +----------------------------------------------------------------------------*/ + +/*---------------------------------------------------------------------------- +; EXTERNAL FUNCTION REFERENCES +; Declare functions defined elsewhere and referenced in this module +----------------------------------------------------------------------------*/ + +/*---------------------------------------------------------------------------- +; EXTERNAL GLOBAL STORE/BUFFER/POINTER REFERENCES +; Declare variables used in this module but defined elsewhere +----------------------------------------------------------------------------*/ + +/*---------------------------------------------------------------------------- +; FUNCTION CODE +----------------------------------------------------------------------------*/ + +int32 pvmp3_huffman_parsing(int32 is[SUBBANDS_NUMBER*FILTERBANK_BANDS], + granuleInfo *grInfo, + tmp3dec_file *pVars, + int32 part2_start, + mp3Header *info) + + +{ + int32 i; + int32 region1Start; + int32 region2Start; + int32 sfreq; + uint32 grBits; + void(*pt_huff)(struct huffcodetab *, int32 *, tmp3Bits *); + struct huffcodetab *h; + + tmp3Bits *pMainData = &pVars->mainDataStream; + + + /*int32 bt = (*si).ch[ch].gr[gr].window_switching_flag && ((*si).ch[ch].gr[gr].block_type == 2);*/ + + sfreq = info->sampling_frequency + info->version_x + (info->version_x << 1); + + /* Find region boundary for short block case. */ + + + if ((grInfo->window_switching_flag) && (grInfo->block_type == 2)) + { + if (info->version_x == MPEG_1) + { + /* Region2. */ + region1Start = 12; + } + else + { + /* Region2. */ + i = grInfo->region0_count + 1; + region1Start = mp3_sfBandIndex[sfreq].s[i/3]; + } + + region1Start += region1Start << 1; + region2Start = 576; /* No Region2 for short block case. */ + } + else + { /* Find region boundary for long block case. */ + i = grInfo->region0_count + 1; + region1Start = mp3_sfBandIndex[sfreq].l[i]; + region2Start = mp3_sfBandIndex[sfreq].l[i + grInfo->region1_count + 1]; + } + + /* Read bigvalues area. */ + + + if (grInfo->big_values > (FILTERBANK_BANDS*SUBBANDS_NUMBER >> 1)) + { + grInfo->big_values = (FILTERBANK_BANDS * SUBBANDS_NUMBER >> 1); + } + + if ((grInfo->big_values << 1) > (uint32)region2Start) + { + h = &(pVars->ht[grInfo->table_select[0]]); + if (h->linbits) + { + pt_huff = pvmp3_huffman_pair_decoding_linbits; + } + else + { + pt_huff = pvmp3_huffman_pair_decoding; + } + + for (i = 0; i < region1Start; i += 2) + { + (*pt_huff)(h, &is[i], pMainData); + } + + h = &(pVars->ht[grInfo->table_select[1]]); + if (h->linbits) + { + pt_huff = pvmp3_huffman_pair_decoding_linbits; + } + else + { + pt_huff = pvmp3_huffman_pair_decoding; + } + + for (; i < region2Start; i += 2) + { + (*pt_huff)(h, &is[i], pMainData); + } + + h = &(pVars->ht[grInfo->table_select[2]]); + if (h->linbits) + { + pt_huff = pvmp3_huffman_pair_decoding_linbits; + } + else + { + pt_huff = pvmp3_huffman_pair_decoding; + } + + for (; (uint32)i < (grInfo->big_values << 1); i += 2) + { + (*pt_huff)(h, &is[i], pMainData); + } + } + else if ((grInfo->big_values << 1) > (uint32)region1Start) + { + h = &(pVars->ht[grInfo->table_select[0]]); + if (h->linbits) + { + pt_huff = pvmp3_huffman_pair_decoding_linbits; + } + else + { + pt_huff = pvmp3_huffman_pair_decoding; + } + for (i = 0; i < region1Start; i += 2) + { + (*pt_huff)(h, &is[i], pMainData); + } + + h = &(pVars->ht[grInfo->table_select[1]]); + if (h->linbits) + { + pt_huff = pvmp3_huffman_pair_decoding_linbits; + } + else + { + pt_huff = pvmp3_huffman_pair_decoding; + } + for (; (uint32)i < (grInfo->big_values << 1); i += 2) + { + (*pt_huff)(h, &is[i], pMainData); + } + } + else + { + h = &(pVars->ht[grInfo->table_select[0]]); + if (h->linbits) + { + pt_huff = pvmp3_huffman_pair_decoding_linbits; + } + else + { + pt_huff = pvmp3_huffman_pair_decoding; + } + + for (i = 0; (uint32)i < (grInfo->big_values << 1); i += 2) + { + (*pt_huff)(h, &is[i], pMainData); + } + } + + + + /* Read count1 area. */ + h = &(pVars->ht[grInfo->count1table_select+32]); + + grBits = part2_start + grInfo->part2_3_length; + + while ((pMainData->usedBits < grBits) && + (i < FILTERBANK_BANDS*SUBBANDS_NUMBER - 4)) + { + pvmp3_huffman_quad_decoding(h, &is[i], pMainData); + i += 4; + } + + if ((pMainData->usedBits < grBits) && + (i < FILTERBANK_BANDS*SUBBANDS_NUMBER)) + { + pvmp3_huffman_quad_decoding(h, &is[i], pMainData); + i += 4; + + if ((i - 2) >= FILTERBANK_BANDS*SUBBANDS_NUMBER) + { + i -= 2; + is[i] = 0; + is[(i+1)] = 0; + } + } + + if (pMainData->usedBits > grBits) + { + i -= 4; + + if (i < 0 || i > FILTERBANK_BANDS*SUBBANDS_NUMBER - 4) + { + /* illegal parameters may cause invalid access, set i to 0 */ + i = 0; + } + + is[i] = 0; + is[(i+1)] = 0; + is[(i+2)] = 0; + is[(i+3)] = 0; + + } + + pMainData->usedBits = grBits; + + return (i); + +} + diff --git a/sources/pvmp3dec/src/pvmp3_imdct_synth.cpp b/sources/pvmp3dec/src/pvmp3_imdct_synth.cpp new file mode 100644 index 00000000..11961d1e --- /dev/null +++ b/sources/pvmp3dec/src/pvmp3_imdct_synth.cpp @@ -0,0 +1,376 @@ +/* ------------------------------------------------------------------ + * Copyright (C) 1998-2009 PacketVideo + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either + * express or implied. + * See the License for the specific language governing permissions + * and limitations under the License. + * ------------------------------------------------------------------- + */ +/* +------------------------------------------------------------------------------ + + PacketVideo Corp. + MP3 Decoder Library + + Filename: pvmp3_imdct_synth.cpp + + Date: 09/21/2007 + +------------------------------------------------------------------------------ + REVISION HISTORY + + + Description: + +------------------------------------------------------------------------------ + INPUT AND OUTPUT DEFINITIONS + + Input + int32 in[], Pointer to spec values of current channel + int32 overlap[], Pointer to overlap values of current channel + uint32 blk_type, Block type + int16 mx_band, In case of mixed blocks, # of bands with long + blocks (2 or 4) else 0 + int32 *Scratch_mem + Returns + + int32 in[], + +------------------------------------------------------------------------------ + FUNCTION DESCRIPTION + + The frequency lines are preprocessed by the "alias reduction" scheme + and fed into the IMDCT matrix, each 18 into one transform block. + The first half of the output values are added to the stored overlap + values from the last block. These values are new output values and + are input values for the polyphase filterbank. The second half of the + output values is stored for overlap with the next data granule. + The number of windowed samples is 12 for short blocks, and 36 for long + blocks + +Windowing + + Depending on window_switching_flag[gr][ch], block_type[gr][ch] and + mixed_block_flag[gr][ch] different shapes of windows are used. + normal window + start window + stop window + short windows + Each of the three short blocks is windowed separately. + The windowed short blocks must be overlapped and concatenated. + +Overlapping and adding with previous block + + The first half (18 values) of the current block (36 values) has to be + overlapped with the second half of the previous block. The second half + of the current block has to be stored for overlapping with the next block + +------------------------------------------------------------------------------ + REQUIREMENTS + + +------------------------------------------------------------------------------ + REFERENCES + + [1] ISO MPEG Audio Subgroup Software Simulation Group (1996) + ISO 13818-3 MPEG-2 Audio Decoder - Lower Sampling Frequency Extension + +------------------------------------------------------------------------------ + PSEUDO-CODE + +------------------------------------------------------------------------------ +*/ + + +/*---------------------------------------------------------------------------- +; INCLUDES +----------------------------------------------------------------------------*/ + +#include "pvmp3_imdct_synth.h" +#include "pv_mp3dec_fxd_op.h" +#include "pvmp3_dec_defs.h" +#include "pvmp3_mdct_18.h" +#include "pvmp3_mdct_6.h" +#include "mp3_mem_funcs.h" + + + +/*---------------------------------------------------------------------------- +; MACROS +; Define module specific macros here +----------------------------------------------------------------------------*/ + + +/*---------------------------------------------------------------------------- +; DEFINES +; Include all pre-processor statements here. Include conditional +; compile variables also. +----------------------------------------------------------------------------*/ +#define LONG 0 +#define START 1 +#define SHORT 2 +#define STOP 3 + +/*---------------------------------------------------------------------------- +; LOCAL FUNCTION DEFINITIONS +; Function Prototype declaration +----------------------------------------------------------------------------*/ + +/*---------------------------------------------------------------------------- +; LOCAL STORE/BUFFER/POINTER DEFINITIONS +; Variable declaration - defined here and used outside this module +----------------------------------------------------------------------------*/ +/* + * sin(pi/36*(k+0.5)),k=0..35 + */ + +const int32 normal_win[36] = +{ + Qfmt_31(0.08723877473068f), Qfmt_31(0.26105238444010f), Qfmt_31(0.43287922787620f), + Qfmt_31(0.60141159900854f), Qfmt_31(0.76536686473018f), Qfmt_31(0.92349722647006f), + Qfmt_31(0.53729960834682f), Qfmt_31(0.60876142900872f), Qfmt_31(0.67559020761566f), + Qfmt_31(-0.73727733681012f), Qfmt_31(-0.79335334029124f), Qfmt_31(0.84339144581289f), + Qfmt_31(0.88701083317822f), Qfmt_31(0.92387953251129f), Qfmt_31(-0.95371695074823f), + Qfmt_31(-0.97629600711993f), Qfmt_31(-0.99144486137381f), Qfmt_31(-0.99904822158186f), + Qfmt_31(0.99904822158186f), Qfmt_31(0.99144486137381f), Qfmt_31(0.97629600711993f), + Qfmt_31(0.95371695074823f), Qfmt_31(0.92387953251129f), Qfmt_31(0.88701083317822f), + Qfmt_31(0.84339144581289f), Qfmt_31(0.79335334029124f), Qfmt_31(0.73727733681012f), + Qfmt_31(0.67559020761566f), Qfmt_31(0.60876142900872f), Qfmt_31(0.53729960834682f), + Qfmt_31(0.46174861323503f), Qfmt_31(0.38268343236509f), Qfmt_31(0.30070579950427f), + Qfmt_31(0.21643961393810f), Qfmt_31(0.13052619222005f), Qfmt_31(0.04361938736534f) +}; + + +const int32 start_win[36] = +{ + /* k=0..17 sin(pi/36*(k+0.5)), */ + Qfmt_31(0.08723877473068f), Qfmt_31(0.26105238444010f), Qfmt_31(0.43287922787620f), + Qfmt_31(0.60141159900854f), Qfmt_31(0.76536686473018f), Qfmt_31(0.92349722647006f), + Qfmt_31(0.53729960834682f), Qfmt_31(0.60876142900872f), Qfmt_31(0.67559020761566f), + Qfmt_31(-0.73727733681012f), Qfmt_31(-0.79335334029124f), Qfmt_31(0.84339144581289f), + Qfmt_31(0.88701083317822f), Qfmt_31(0.92387953251129f), Qfmt_31(-0.95371695074823f), + Qfmt_31(-0.97629600711993f), Qfmt_31(-0.99144486137381f), Qfmt_31(-0.99904822158186f), + + Qfmt_31(0.99999990000000f), Qfmt_31(0.99999990000000f), Qfmt_31(0.99999990000000f), + Qfmt_31(0.99999990000000f), Qfmt_31(0.99999990000000f), Qfmt_31(0.99999990000000f), + /* k=24..29; sin(pi/12*(k-18+0.5)) */ + Qfmt_31(0.99144486137381f), Qfmt_31(0.92387953251129f), Qfmt_31(0.79335334029124f), + Qfmt_31(0.60876142900872f), Qfmt_31(0.38268343236509f), Qfmt_31(0.13052619222005f), + + Qfmt_31(0.00000000000000f), Qfmt_31(0.00000000000000f), Qfmt_31(0.00000000000000f), + Qfmt_31(0.00000000000000f), Qfmt_31(0.00000000000000f), Qfmt_31(0.00000000000000f) +}; + + +const int32 stop_win[36] = +{ + Qfmt_31(0.00000000000000f), Qfmt_31(0.00000000000000f), Qfmt_31(0.00000000000000f), + Qfmt_31(0.00000000000000f), Qfmt_31(0.00000000000000f), Qfmt_31(0.00000000000000f), + /* k=6..11; sin(pi/12*(k-6+0.5)) */ + Qfmt_31(0.13052619222005f), Qfmt_31(0.38268343236509f), Qfmt_31(0.60876142900872f), + Qfmt_31(-0.79335334029124f), Qfmt_31(-0.92387953251129f), Qfmt_31(0.99144486137381f), + + Qfmt_31(0.99999990000000f), Qfmt_31(0.99999990000000f), Qfmt_31(-0.99999990000000f), + Qfmt_31(-0.99999990000000f), Qfmt_31(-0.99999990000000f), Qfmt_31(-0.99999990000000f), + /* k=18..35 sin(pi/36*(k+0.5)), */ + Qfmt_31(0.99904822158186f), Qfmt_31(0.99144486137381f), Qfmt_31(0.97629600711993f), + Qfmt_31(0.95371695074823f), Qfmt_31(0.92387953251129f), Qfmt_31(0.88701083317822f), + Qfmt_31(0.84339144581289f), Qfmt_31(0.79335334029124f), Qfmt_31(0.73727733681012f), + Qfmt_31(0.67559020761566f), Qfmt_31(0.60876142900872f), Qfmt_31(0.53729960834682f), + Qfmt_31(0.46174861323503f), Qfmt_31(0.38268343236509f), Qfmt_31(0.30070579950427f), + Qfmt_31(0.21643961393810f), Qfmt_31(0.13052619222005f), Qfmt_31(0.04361938736534f) +}; + + +const int32 short_win[12] = +{ + /* k=0..11; sin(pi/12*(k+0.5)) */ + Qfmt_31(0.13052619222005f), Qfmt_31(0.38268343236509f), Qfmt_31(0.60876142900872f), + Qfmt_31(0.79335334029124f), Qfmt_31(0.92387953251129f), Qfmt_31(0.99144486137381f), + Qfmt_31(0.99144486137381f), Qfmt_31(0.92387953251129f), Qfmt_31(0.79335334029124f), + Qfmt_31(0.60876142900872f), Qfmt_31(0.38268343236509f), Qfmt_31(0.13052619222005f), +}; +/*---------------------------------------------------------------------------- +; EXTERNAL FUNCTION REFERENCES +; Declare functions defined elsewhere and referenced in this module +----------------------------------------------------------------------------*/ + +/*---------------------------------------------------------------------------- +; EXTERNAL GLOBAL STORE/BUFFER/POINTER REFERENCES +; Declare variables used in this module but defined elsewhere +----------------------------------------------------------------------------*/ + +/*---------------------------------------------------------------------------- +; FUNCTION CODE +----------------------------------------------------------------------------*/ + +void pvmp3_imdct_synth(int32 in[SUBBANDS_NUMBER*FILTERBANK_BANDS], + int32 overlap[SUBBANDS_NUMBER*FILTERBANK_BANDS], + uint32 blk_type, + int16 mx_band, + int32 used_freq_lines, + int32 *Scratch_mem) +{ + + int32 band; + int32 bands2process = used_freq_lines + 2; + + if (bands2process > SUBBANDS_NUMBER) + { + bands2process = SUBBANDS_NUMBER; /* default */ + } + + + /* + * in case of mx_poly_band> 0, do + * long transforms + */ + + + for (band = 0; band < bands2process; band++) + { + uint32 current_blk_type = (band < mx_band) ? LONG : blk_type; + + int32 * out = in + (band * FILTERBANK_BANDS); + int32 * history = overlap + (band * FILTERBANK_BANDS); + + switch (current_blk_type) + { + case LONG: + + pvmp3_mdct_18(out, history, normal_win); + + break; + + case START: + + pvmp3_mdct_18(out, history, start_win); + + break; + + case STOP: + + pvmp3_mdct_18(out, history, stop_win); + + break; + + case SHORT: + { + int32 *tmp_prev_ovr = &Scratch_mem[FILTERBANK_BANDS]; + int32 i; + + for (i = 0; i < 6; i++) + { + Scratch_mem[i ] = out[(i*3)]; + Scratch_mem[6 +i] = out[(i*3) + 1]; + Scratch_mem[12 +i] = out[(i*3) + 2]; + } + + pvmp3_mdct_6(&Scratch_mem[ 0], &tmp_prev_ovr[ 0]); + pvmp3_mdct_6(&Scratch_mem[ 6], &tmp_prev_ovr[ 6]); + pvmp3_mdct_6(&Scratch_mem[12], &tmp_prev_ovr[12]); + + for (i = 0; i < 6; i++) + { + int32 temp = history[i]; + /* next iteration overlap */ + history[i] = fxp_mul32_Q32(tmp_prev_ovr[ 6+i] << 1, short_win[6+i]); + history[i] += fxp_mul32_Q32(Scratch_mem[12+i] << 1, short_win[ i]); + out[i] = temp; + } + + for (i = 0; i < 6; i++) + { + out[i+6] = fxp_mul32_Q32(Scratch_mem[i] << 1, short_win[i]); + out[i+6] += history[i+6]; + /* next iteration overlap */ + history[i+6] = fxp_mul32_Q32(tmp_prev_ovr[12+i] << 1, short_win[6+i]); + + } + for (i = 0; i < 6; i++) + { + out[i+12] = fxp_mul32_Q32(tmp_prev_ovr[ i] << 1, short_win[6+i]); + out[i+12] += fxp_mul32_Q32(Scratch_mem[6+i] << 1, short_win[ i]); + out[i+12] += history[i+12]; + history[12+i] = 0; + } + } + + break; + } + + /* + * Compensation for frequency inversion of polyphase filterbank + * every odd time sample of every odd odd subband is mulitplied by -1 before + * processing by the polyphase filter + */ + + if (band & 1) + { + for (int32 slot = 1; slot < FILTERBANK_BANDS; slot += 6) + { + int32 temp1 = out[slot ]; + int32 temp2 = out[slot+2]; + int32 temp3 = out[slot+4]; + out[slot ] = -temp1; + out[slot+2] = -temp2; + out[slot+4] = -temp3; + } + } + } + + + for (band = bands2process; band < SUBBANDS_NUMBER; band++) + { + int32 * out = in + (band * FILTERBANK_BANDS); + int32 * history = overlap + (band * FILTERBANK_BANDS); + int32 slot; + + if (band & 1) + { + for (slot = 0; slot < FILTERBANK_BANDS; slot += 6) + { + int32 temp1 = history[slot ]; + int32 temp2 = history[slot+1]; + int32 temp3 = history[slot+2]; + out[slot ] = temp1; + out[slot+1] = -temp2; + out[slot+2] = temp3; + + temp1 = history[slot+3]; + temp2 = history[slot+4]; + temp3 = history[slot+5]; + out[slot+3] = -temp1; + out[slot+4] = temp2; + out[slot+5] = -temp3; + } + } + else + { + for (slot = 0; slot < FILTERBANK_BANDS; slot += 3) + { + int32 temp1 = history[slot ]; + int32 temp2 = history[slot+1]; + int32 temp3 = history[slot+2]; + out[slot ] = temp1; + out[slot+1] = temp2; + out[slot+2] = temp3; + } + } + + pv_memset(history, 0, FILTERBANK_BANDS*sizeof(*overlap)); + } +} + + + + diff --git a/sources/pvmp3dec/src/pvmp3_imdct_synth.h b/sources/pvmp3dec/src/pvmp3_imdct_synth.h new file mode 100644 index 00000000..ea42e498 --- /dev/null +++ b/sources/pvmp3dec/src/pvmp3_imdct_synth.h @@ -0,0 +1,102 @@ +/* ------------------------------------------------------------------ + * Copyright (C) 1998-2009 PacketVideo + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either + * express or implied. + * See the License for the specific language governing permissions + * and limitations under the License. + * ------------------------------------------------------------------- + */ +/* +------------------------------------------------------------------------------ + + PacketVideo Corp. + MP3 Decoder Library + + Filename: pvmp3_imdct_synth.h + + Date: 09/21/2007 + +------------------------------------------------------------------------------ + REVISION HISTORY + + Description: +------------------------------------------------------------------------------ + INCLUDE DESCRIPTION + + +------------------------------------------------------------------------------ + REFERENCES + + [1] ISO MPEG Audio Subgroup Software Simulation Group (1996) + ISO 13818-3 MPEG-2 Audio Decoder - Lower Sampling Frequency Extension + +------------------------------------------------------------------------------ +*/ +/*---------------------------------------------------------------------------- +; CONTINUE ONLY IF NOT ALREADY DEFINED +----------------------------------------------------------------------------*/ + +#ifndef PVMP3_IMDCT_SYNTH_H +#define PVMP3_IMDCT_SYNTH_H + + +/*---------------------------------------------------------------------------- +; INCLUDES +----------------------------------------------------------------------------*/ + +#include "pvmp3_dec_defs.h" +#include "pvmp3_audio_type_defs.h" + +/*---------------------------------------------------------------------------- +; MACROS +; Define module specific macros here +----------------------------------------------------------------------------*/ + +/*---------------------------------------------------------------------------- +; EXTERNAL VARIABLES REFERENCES +----------------------------------------------------------------------------*/ + +/*---------------------------------------------------------------------------- +; DEFINES AND SIMPLE TYPEDEF'S +----------------------------------------------------------------------------*/ + + +/*---------------------------------------------------------------------------- +; GLOBAL FUNCTION DEFINITIONS +; Function Prototype declaration +----------------------------------------------------------------------------*/ + + +#ifdef __cplusplus +extern "C" +{ +#endif + + void pvmp3_imdct_synth(int32 in[SUBBANDS_NUMBER*FILTERBANK_BANDS], + int32 overlap[SUBBANDS_NUMBER*FILTERBANK_BANDS], + uint32 blk_type, + int16 mx_band, + int32 used_freq_lines, + int32 *Scratch_mem); + +#ifdef __cplusplus +} +#endif + +/*---------------------------------------------------------------------------- +; END +----------------------------------------------------------------------------*/ + +#endif + + + diff --git a/sources/pvmp3dec/src/pvmp3_mdct_18.cpp b/sources/pvmp3dec/src/pvmp3_mdct_18.cpp new file mode 100644 index 00000000..09a735bf --- /dev/null +++ b/sources/pvmp3dec/src/pvmp3_mdct_18.cpp @@ -0,0 +1,289 @@ +/* ------------------------------------------------------------------ + * Copyright (C) 1998-2009 PacketVideo + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either + * express or implied. + * See the License for the specific language governing permissions + * and limitations under the License. + * ------------------------------------------------------------------- + */ +/* +------------------------------------------------------------------------------ + + PacketVideo Corp. + MP3 Decoder Library + + Filename: mdct_18.cpp + + Date: 09/21/2007 + +------------------------------------------------------------------------------ + REVISION HISTORY + + + Description: + +------------------------------------------------------------------------------ + INPUT AND OUTPUT DEFINITIONS + +Input + int32 vec[], input vector of length 18 + int32 *history input for overlap and add, vector updated with + next overlap and add values + const int32 *window sine window used in the mdct, three types are allowed + noraml, start and stop +Returns + none mdct computation in-place + + +------------------------------------------------------------------------------ + FUNCTION DESCRIPTION + + Returns the mdct of length 18 of the input vector, as well as the overlap + vector for next iteration ( on history[]) + +------------------------------------------------------------------------------ + REQUIREMENTS + + +------------------------------------------------------------------------------ + REFERENCES + +------------------------------------------------------------------------------ + PSEUDO-CODE + +------------------------------------------------------------------------------ +*/ + +#if ( !defined(PV_ARM_GCC_V5) && !defined(PV_ARM_GCC_V4) && !defined(PV_ARM_V5) && !defined(PV_ARM_V4) ) +/*---------------------------------------------------------------------------- +; INCLUDES +----------------------------------------------------------------------------*/ + +#include "pv_mp3dec_fxd_op.h" +#include "pvmp3_mdct_18.h" + + +/*---------------------------------------------------------------------------- +; MACROS +; Define module specific macros here +----------------------------------------------------------------------------*/ + + +/*---------------------------------------------------------------------------- +; DEFINES +; Include all pre-processor statements here. Include conditional +; compile variables also. +----------------------------------------------------------------------------*/ + +/*---------------------------------------------------------------------------- +; LOCAL FUNCTION DEFINITIONS +; Function Prototype declaration +----------------------------------------------------------------------------*/ + +/*---------------------------------------------------------------------------- +; LOCAL STORE/BUFFER/POINTER DEFINITIONS +; Variable declaration - defined here and used outside this module +----------------------------------------------------------------------------*/ +const int32 cosTerms_dct18[9] = +{ + Qfmt(0.50190991877167f), Qfmt(0.51763809020504f), Qfmt(0.55168895948125f), + Qfmt(0.61038729438073f), Qfmt(0.70710678118655f), Qfmt(0.87172339781055f), + Qfmt(1.18310079157625f), Qfmt(1.93185165257814f), Qfmt(5.73685662283493f) +}; + + +const int32 cosTerms_1_ov_cos_phi[18] = +{ + + Qfmt1(0.50047634258166f), Qfmt1(0.50431448029008f), Qfmt1(0.51213975715725f), + Qfmt1(0.52426456257041f), Qfmt1(0.54119610014620f), Qfmt1(0.56369097343317f), + Qfmt1(0.59284452371708f), Qfmt1(0.63023620700513f), Qfmt1(0.67817085245463f), + + Qfmt2(0.74009361646113f), Qfmt2(0.82133981585229f), Qfmt2(0.93057949835179f), + Qfmt2(1.08284028510010f), Qfmt2(1.30656296487638f), Qfmt2(1.66275476171152f), + Qfmt2(2.31011315767265f), Qfmt2(3.83064878777019f), Qfmt2(11.46279281302667f) +}; + +/*---------------------------------------------------------------------------- +; EXTERNAL FUNCTION REFERENCES +; Declare functions defined elsewhere and referenced in this module +----------------------------------------------------------------------------*/ + +/*---------------------------------------------------------------------------- +; EXTERNAL GLOBAL STORE/BUFFER/POINTER REFERENCES +; Declare variables used in this module but defined elsewhere +----------------------------------------------------------------------------*/ + +/*---------------------------------------------------------------------------- +; FUNCTION CODE +----------------------------------------------------------------------------*/ + + + +void pvmp3_mdct_18(int32 vec[], int32 *history, const int32 *window) +{ + int32 i; + int32 tmp; + int32 tmp1; + int32 tmp2; + int32 tmp3; + int32 tmp4; + + + + const int32 *pt_cos_split = cosTerms_dct18; + const int32 *pt_cos = cosTerms_1_ov_cos_phi; + const int32 *pt_cos_x = &cosTerms_1_ov_cos_phi[17]; + int32 *pt_vec = vec; + int32 *pt_vec_o = &vec[17]; + + + for (i = 9; i != 0; i--) + { + tmp = *(pt_vec); + tmp1 = *(pt_vec_o); + tmp = fxp_mul32_Q32(tmp << 1, *(pt_cos++)); + tmp1 = fxp_mul32_Q27(tmp1, *(pt_cos_x--)); + *(pt_vec++) = tmp + tmp1 ; + *(pt_vec_o--) = fxp_mul32_Q28((tmp - tmp1), *(pt_cos_split++)); + } + + + pvmp3_dct_9(vec); // Even terms + pvmp3_dct_9(&vec[9]); // Odd terms + + + tmp3 = vec[16]; // + vec[16] = vec[ 8]; + tmp4 = vec[14]; // + vec[14] = vec[ 7]; + tmp = vec[12]; + vec[12] = vec[ 6]; + tmp2 = vec[10]; // vec[10] + vec[10] = vec[ 5]; + vec[ 8] = vec[ 4]; + vec[ 6] = vec[ 3]; + vec[ 4] = vec[ 2]; + vec[ 2] = vec[ 1]; + vec[ 1] = vec[ 9] - tmp2; // vec[9] + vec[10] + vec[ 3] = vec[11] - tmp2; + vec[ 5] = vec[11] - tmp; + vec[ 7] = vec[13] - tmp; + vec[ 9] = vec[13] - tmp4; + vec[11] = vec[15] - tmp4; + vec[13] = vec[15] - tmp3; + vec[15] = vec[17] - tmp3; + + + /* overlap and add */ + + tmp2 = vec[0]; + tmp3 = vec[9]; + + for (i = 0; i < 6; i++) + { + tmp = history[ i]; + tmp4 = vec[i+10]; + vec[i+10] = tmp3 + tmp4; + tmp1 = vec[i+1]; + vec[ i] = fxp_mac32_Q32(tmp, (vec[i+10]), window[ i]); + tmp3 = tmp4; + history[i ] = -(tmp2 + tmp1); + tmp2 = tmp1; + } + + tmp = history[ 6]; + tmp4 = vec[16]; + vec[16] = tmp3 + tmp4; + tmp1 = vec[7]; + vec[ 6] = fxp_mac32_Q32(tmp, vec[16] << 1, window[ i]); + tmp = history[ 7]; + history[6] = -(tmp2 + tmp1); + history[7] = -(tmp1 + vec[8]); + + tmp1 = history[ 8]; + tmp4 = vec[17] + tmp4; + vec[ 7] = fxp_mac32_Q32(tmp, tmp4 << 1, window[ 7]); + history[8] = -(vec[8] + vec[9]); + vec[ 8] = fxp_mac32_Q32(tmp1, vec[17] << 1, window[ 8]); + + tmp = history[9]; + tmp1 = history[17]; + tmp2 = history[16]; + vec[ 9] = fxp_mac32_Q32(tmp, vec[17] << 1, window[ 9]); + + vec[17] = fxp_mac32_Q32(tmp1, vec[10] << 1, window[17]); + vec[10] = -vec[ 16]; + vec[16] = fxp_mac32_Q32(tmp2, vec[11] << 1, window[16]); + tmp1 = history[15]; + tmp2 = history[14]; + vec[11] = -vec[ 15]; + vec[15] = fxp_mac32_Q32(tmp1, vec[12] << 1, window[15]); + vec[12] = -vec[ 14]; + vec[14] = fxp_mac32_Q32(tmp2, vec[13] << 1, window[14]); + + tmp = history[13]; + tmp1 = history[12]; + tmp2 = history[11]; + tmp3 = history[10]; + vec[13] = fxp_mac32_Q32(tmp, vec[12] << 1, window[13]); + vec[12] = fxp_mac32_Q32(tmp1, vec[11] << 1, window[12]); + vec[11] = fxp_mac32_Q32(tmp2, vec[10] << 1, window[11]); + vec[10] = fxp_mac32_Q32(tmp3, tmp4 << 1, window[10]); + + + /* next iteration overlap */ + + tmp1 = history[ 8]; + tmp3 = history[ 7]; + tmp2 = history[ 1]; + tmp = history[ 0]; + tmp1 <<= 1; + tmp3 <<= 1; + + history[ 0] = fxp_mul32_Q32(tmp1, window[18]); + history[17] = fxp_mul32_Q32(tmp1, window[35]); + history[ 1] = fxp_mul32_Q32(tmp3, window[19]); + history[16] = fxp_mul32_Q32(tmp3, window[34]); + + tmp2 <<= 1; + tmp <<= 1; + history[ 7] = fxp_mul32_Q32(tmp2, window[25]); + history[10] = fxp_mul32_Q32(tmp2, window[28]); + history[ 8] = fxp_mul32_Q32(tmp, window[26]); + history[ 9] = fxp_mul32_Q32(tmp, window[27]); + + tmp1 = history[ 6]; + tmp3 = history[ 5]; + tmp4 = history[ 4]; + tmp2 = history[ 3]; + tmp = history[ 2]; + + tmp1 <<= 1; + tmp3 <<= 1; + tmp4 <<= 1; + + history[ 2] = fxp_mul32_Q32(tmp1, window[20]); + history[15] = fxp_mul32_Q32(tmp1, window[33]); + history[ 3] = fxp_mul32_Q32(tmp3, window[21]); + history[14] = fxp_mul32_Q32(tmp3, window[32]); + history[ 4] = fxp_mul32_Q32(tmp4, window[22]); + history[13] = fxp_mul32_Q32(tmp4, window[31]); + tmp2 <<= 1; + tmp <<= 1; + history[ 5] = fxp_mul32_Q32(tmp2, window[23]); + history[12] = fxp_mul32_Q32(tmp2, window[30]); + history[ 6] = fxp_mul32_Q32(tmp, window[24]); + history[11] = fxp_mul32_Q32(tmp, window[29]); +} + +#endif // If not assembly diff --git a/sources/pvmp3dec/src/pvmp3_mdct_18.h b/sources/pvmp3dec/src/pvmp3_mdct_18.h new file mode 100644 index 00000000..e497aee2 --- /dev/null +++ b/sources/pvmp3dec/src/pvmp3_mdct_18.h @@ -0,0 +1,109 @@ +/* ------------------------------------------------------------------ + * Copyright (C) 1998-2009 PacketVideo + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either + * express or implied. + * See the License for the specific language governing permissions + * and limitations under the License. + * ------------------------------------------------------------------- + */ +/* +------------------------------------------------------------------------------ + + PacketVideo Corp. + MP3 Decoder Library + + Pathname: ./include/pvmp3_mdct_18.h + + Date: 09/21/2007 + +------------------------------------------------------------------------------ + REVISION HISTORY + + + Description: + +------------------------------------------------------------------------------ + INCLUDE DESCRIPTION + + This include file defines function mdct_18, dct9, mdct_6 and dct_6 + +------------------------------------------------------------------------------ +*/ + +/*---------------------------------------------------------------------------- +; CONTINUE ONLY IF NOT ALREADY DEFINED +----------------------------------------------------------------------------*/ +#ifndef MDCT_18_H +#define MDCT_18_H + +/*---------------------------------------------------------------------------- +; INCLUDES +----------------------------------------------------------------------------*/ +#include "pvmp3_audio_type_defs.h" + +/*---------------------------------------------------------------------------- +; MACROS +; Define module specific macros here +----------------------------------------------------------------------------*/ + +/*---------------------------------------------------------------------------- +; DEFINES +; Include all pre-processor statements here. +----------------------------------------------------------------------------*/ +#define Qfmt(a) (Int32)(a*((Int32)1<<28) ) +#define Qfmt1(a) (Int32)(a*((Int32)0x7FFFFFFF)) +#define Qfmt2(a) (Int32)(a*((Int32)1<<27)) + +/*---------------------------------------------------------------------------- +; EXTERNAL VARIABLES REFERENCES +; Declare variables used in this module but defined elsewhere +----------------------------------------------------------------------------*/ + +/*---------------------------------------------------------------------------- +; SIMPLE TYPEDEF'S +----------------------------------------------------------------------------*/ + +/*---------------------------------------------------------------------------- +; ENUMERATED TYPEDEF'S +----------------------------------------------------------------------------*/ + +/*---------------------------------------------------------------------------- +; STRUCTURES TYPEDEF'S +----------------------------------------------------------------------------*/ + +/*---------------------------------------------------------------------------- +; GLOBAL FUNCTION DEFINITIONS +; Function Prototype declaration +----------------------------------------------------------------------------*/ +#ifdef __cplusplus +extern "C" +{ +#endif + + void pvmp3_mdct_18(int32 vec[], int32 *history, const int32 *window); + + void pvmp3_dct_9(int32 vec[]); + + void pvmp3_mdct_6(int32 vec[], int32 *overlap); + + void pvmp3_dct_6(int32 vec[]); + +#ifdef __cplusplus +} +#endif + +/*---------------------------------------------------------------------------- +; END +----------------------------------------------------------------------------*/ +#endif + + diff --git a/sources/pvmp3dec/src/pvmp3_mdct_6.cpp b/sources/pvmp3dec/src/pvmp3_mdct_6.cpp new file mode 100644 index 00000000..6a72aadf --- /dev/null +++ b/sources/pvmp3dec/src/pvmp3_mdct_6.cpp @@ -0,0 +1,165 @@ +/* ------------------------------------------------------------------ + * Copyright (C) 1998-2009 PacketVideo + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either + * express or implied. + * See the License for the specific language governing permissions + * and limitations under the License. + * ------------------------------------------------------------------- + */ +/* +------------------------------------------------------------------------------ + + PacketVideo Corp. + MP3 Decoder Library + Filename: mdct_18.cpp + + Date: 09/21/2007 + +------------------------------------------------------------------------------ + REVISION HISTORY + + + Description: + +------------------------------------------------------------------------------ + INPUT AND OUTPUT DEFINITIONS + +Input + int32 vec[], input vector of length 6 + int32 *history input for overlap and add, vector updated with + next overlap and add values +Returns + none mdct computation in-place + + +------------------------------------------------------------------------------ + FUNCTION DESCRIPTION + + Returns the mdct of length 6 of the input vector, as well as the overlap + vector for next iteration ( on history[]) + +------------------------------------------------------------------------------ + REQUIREMENTS + + +------------------------------------------------------------------------------ + REFERENCES + +------------------------------------------------------------------------------ + PSEUDO-CODE + +------------------------------------------------------------------------------ +*/ + + +/*---------------------------------------------------------------------------- +; INCLUDES +----------------------------------------------------------------------------*/ + +#include "pv_mp3dec_fxd_op.h" +#include "pvmp3_mdct_6.h" + + +/*---------------------------------------------------------------------------- +; MACROS +; Define module specific macros here +----------------------------------------------------------------------------*/ + + +/*---------------------------------------------------------------------------- +; DEFINES +; Include all pre-processor statements here. Include conditional +; compile variables also. +----------------------------------------------------------------------------*/ +#define QFORMAT 29 +#define Qfmt29(a) (int32)(a*((int32)1<=0?0.5F:-0.5F)) + +/*---------------------------------------------------------------------------- +; LOCAL FUNCTION DEFINITIONS +; Function Prototype declaration +----------------------------------------------------------------------------*/ + +/*---------------------------------------------------------------------------- +; LOCAL STORE/BUFFER/POINTER DEFINITIONS +; Variable declaration - defined here and used outside this module +----------------------------------------------------------------------------*/ +/* + * (1./(2*cos((pi/(2*N))*(2*i+1)))), N = 12, i = [0:N/2-1] + */ + +const int32 cosTerms_1_ov_cos_phi_N6[6] = +{ + + Qfmt29(0.50431448029008f), Qfmt29(0.54119610014620f), + Qfmt29(0.63023620700513f), Qfmt29(0.82133981585229f), + Qfmt29(1.30656296487638f), Qfmt29(3.83064878777019f) +}; + +/*---------------------------------------------------------------------------- +; EXTERNAL FUNCTION REFERENCES +; Declare functions defined elsewhere and referenced in this module +----------------------------------------------------------------------------*/ + +/*---------------------------------------------------------------------------- +; EXTERNAL GLOBAL STORE/BUFFER/POINTER REFERENCES +; Declare variables used in this module but defined elsewhere +----------------------------------------------------------------------------*/ + +/*---------------------------------------------------------------------------- +; FUNCTION CODE +----------------------------------------------------------------------------*/ + + +void pvmp3_mdct_6(int32 vec[], int32 *history) +{ + int32 i; + int32 tmp; + int32 tmp1; + int32 tmp2; + + int32 *pt_vec = vec; + int32 *pt_vec_o = vec; + const int32 *pt_cos = cosTerms_1_ov_cos_phi_N6; + + for (i = 2; i != 0; i--) + { + tmp = *(pt_vec++); + tmp1 = *(pt_vec++); + tmp2 = *(pt_vec++); + *(pt_vec_o++) = fxp_mul32_Q29(tmp, *(pt_cos++)); + *(pt_vec_o++) = fxp_mul32_Q29(tmp1, *(pt_cos++)); + *(pt_vec_o++) = fxp_mul32_Q29(tmp2, *(pt_cos++)); + } + + + pvmp3_dct_6(vec); // Even terms + + + tmp = -(vec[0] + vec[1]); + history[3] = tmp; + history[2] = tmp; + tmp = -(vec[1] + vec[2]); + vec[0] = vec[3] + vec[4]; + vec[1] = vec[4] + vec[5]; + history[4] = tmp; + history[1] = tmp; + tmp = -(vec[2] + vec[3]); + vec[4] = -vec[1]; + history[5] = tmp; + history[0] = tmp; + + vec[2] = vec[5]; + vec[3] = -vec[5]; + vec[5] = -vec[0]; + +} + diff --git a/sources/pvmp3dec/src/pvmp3_mdct_6.h b/sources/pvmp3dec/src/pvmp3_mdct_6.h new file mode 100644 index 00000000..6ba53d7d --- /dev/null +++ b/sources/pvmp3dec/src/pvmp3_mdct_6.h @@ -0,0 +1,106 @@ +/* ------------------------------------------------------------------ + * Copyright (C) 1998-2009 PacketVideo + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either + * express or implied. + * See the License for the specific language governing permissions + * and limitations under the License. + * ------------------------------------------------------------------- + */ +/* +------------------------------------------------------------------------------ + + PacketVideo Corp. + MP3 Decoder Library + + Pathname: ./include/pvmp3_mdct_6.h + + Date: 09/21/2007 + +------------------------------------------------------------------------------ + REVISION HISTORY + + + Description: + +------------------------------------------------------------------------------ + INCLUDE DESCRIPTION + + This include file defines function mdct_18, dct9, mdct_6 and dct_6 + +------------------------------------------------------------------------------ +*/ + +/*---------------------------------------------------------------------------- +; CONTINUE ONLY IF NOT ALREADY DEFINED +----------------------------------------------------------------------------*/ +#ifndef PVMP3_MDCT_6_H +#define PVMP3_MDCT_6_H + +/*---------------------------------------------------------------------------- +; INCLUDES +----------------------------------------------------------------------------*/ +#include "pvmp3_audio_type_defs.h" + +/*---------------------------------------------------------------------------- +; MACROS +; Define module specific macros here +----------------------------------------------------------------------------*/ + +/*---------------------------------------------------------------------------- +; DEFINES +; Include all pre-processor statements here. +----------------------------------------------------------------------------*/ +#define Qfmt(a) (Int32)(a*((Int32)1<<28) ) +#define Qfmt1(a) (Int32)(a*((Int32)0x7FFFFFFF)) +#define Qfmt2(a) (Int32)(a*((Int32)1<<27)) + +/*---------------------------------------------------------------------------- +; EXTERNAL VARIABLES REFERENCES +; Declare variables used in this module but defined elsewhere +----------------------------------------------------------------------------*/ + +/*---------------------------------------------------------------------------- +; SIMPLE TYPEDEF'S +----------------------------------------------------------------------------*/ + +/*---------------------------------------------------------------------------- +; ENUMERATED TYPEDEF'S +----------------------------------------------------------------------------*/ + +/*---------------------------------------------------------------------------- +; STRUCTURES TYPEDEF'S +----------------------------------------------------------------------------*/ + +/*---------------------------------------------------------------------------- +; GLOBAL FUNCTION DEFINITIONS +; Function Prototype declaration +----------------------------------------------------------------------------*/ +#ifdef __cplusplus +extern "C" +{ +#endif + + + void pvmp3_mdct_6(int32 vec[], int32 *overlap); + + void pvmp3_dct_6(int32 vec[]); + +#ifdef __cplusplus +} +#endif + +/*---------------------------------------------------------------------------- +; END +----------------------------------------------------------------------------*/ +#endif + + diff --git a/sources/pvmp3dec/src/pvmp3_mpeg2_get_scale_data.cpp b/sources/pvmp3dec/src/pvmp3_mpeg2_get_scale_data.cpp new file mode 100644 index 00000000..499672b4 --- /dev/null +++ b/sources/pvmp3dec/src/pvmp3_mpeg2_get_scale_data.cpp @@ -0,0 +1,247 @@ +/* ------------------------------------------------------------------ + * Copyright (C) 1998-2009 PacketVideo + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either + * express or implied. + * See the License for the specific language governing permissions + * and limitations under the License. + * ------------------------------------------------------------------- + */ +/* +------------------------------------------------------------------------------ + + PacketVideo Corp. + MP3 Decoder Library + + Filename: pvmp3_mpeg2_get_scale_data.cpp + + Date: 09/21/2007 + +------------------------------------------------------------------------------ + REVISION HISTORY + + + Description: + +------------------------------------------------------------------------------ + INPUT AND OUTPUT DEFINITIONS + +Input + mp3SideInfo *si, side information + int32 gr, granule + int32 ch, channel + mp3Header *info, mp3 header information + uint32 *scalefac_buffer, + uint32 *scalefac_IIP_buffer, + tbits *pMainData bit stream Data + + Returns + + uint32 *scalefac_buffer, acquired scale band data + uint32 *scalefac_IIP_buffer, auxiliary scale data + + +------------------------------------------------------------------------------ + FUNCTION DESCRIPTION + + get scale data for mpeg2 layer III LSF extension + +------------------------------------------------------------------------------ + REQUIREMENTS + + +------------------------------------------------------------------------------ + REFERENCES + + [1] ISO MPEG Audio Subgroup Software Simulation Group (1996) + ISO 13818-3 MPEG-2 Audio Decoder - Lower Sampling Frequency Extension + +------------------------------------------------------------------------------ + PSEUDO-CODE + +------------------------------------------------------------------------------ +*/ + + +/*---------------------------------------------------------------------------- +; INCLUDES +----------------------------------------------------------------------------*/ + +#include "pvmp3_mpeg2_get_scale_data.h" +#include "pvmp3_getbits.h" + + +/*---------------------------------------------------------------------------- +; MACROS +; Define module specific macros here +----------------------------------------------------------------------------*/ + + +/*---------------------------------------------------------------------------- +; DEFINES +; Include all pre-processor statements here. Include conditional +; compile variables also. +----------------------------------------------------------------------------*/ + +/*---------------------------------------------------------------------------- +; LOCAL FUNCTION DEFINITIONS +; Function Prototype declaration +----------------------------------------------------------------------------*/ + +/*---------------------------------------------------------------------------- +; LOCAL STORE/BUFFER/POINTER DEFINITIONS +; Variable declaration - defined here and used outside this module +----------------------------------------------------------------------------*/ + +const uint32 nr_of_sfb_block[6][3][4] = +{ {{ 6, 5, 5, 5}, { 9, 9, 9, 9}, { 6, 9, 9, 9}}, + {{ 6, 5, 7, 3}, { 9, 9, 12, 6}, { 6, 9, 12, 6}}, + {{11, 10, 0, 0}, { 18, 18, 0, 0}, {15, 18, 0, 0}}, + {{ 7, 7, 7, 0}, { 12, 12, 12, 0}, { 6, 15, 12, 0}}, + {{ 6, 6, 6, 3}, { 12, 9, 9, 6}, { 6, 12, 9, 6}}, + {{ 8, 8, 5, 0}, { 15, 12, 9, 0}, { 6, 18, 9, 0}} +}; + +/*---------------------------------------------------------------------------- +; EXTERNAL FUNCTION REFERENCES +; Declare functions defined elsewhere and referenced in this module +----------------------------------------------------------------------------*/ + +/*---------------------------------------------------------------------------- +; EXTERNAL GLOBAL STORE/BUFFER/POINTER REFERENCES +; Declare variables used in this module but defined elsewhere +----------------------------------------------------------------------------*/ + +/*---------------------------------------------------------------------------- +; FUNCTION CODE +----------------------------------------------------------------------------*/ + +void pvmp3_mpeg2_get_scale_data(mp3SideInfo *si, + int32 gr, + int32 ch, + mp3Header *info, + uint32 *scalefac_buffer, + uint32 *scalefac_IIP_buffer, + tmp3Bits *pMainData) +{ + int16 i; + int16 j; + int16 k; + int16 blocktypenumber = 0; + int16 blocknumber = 0; + + granuleInfo *gr_info = &(si->ch[ch].gran[gr]); + uint32 scalefac_comp, int_scalefac_comp, new_slen[4] = { 0,0,0,0 }; + + scalefac_comp = gr_info->scalefac_compress; + + + + if ((((info->mode_ext &1)) && (ch == 1))) + { + /* intensity_scale = scalefac_comp %2; */ + int_scalefac_comp = scalefac_comp >> 1; + + if (int_scalefac_comp < 180) + { + new_slen[0] = int_scalefac_comp / 36; + new_slen[1] = (int_scalefac_comp % 36) / 6; + new_slen[2] = int_scalefac_comp % 6; + blocknumber = 3; + } + else if (int_scalefac_comp < 244) + { + int_scalefac_comp -= 180; + new_slen[0] = (int_scalefac_comp & 63) >> 4; + new_slen[1] = (int_scalefac_comp & 15) >> 2; + new_slen[2] = int_scalefac_comp & 3; + blocknumber = 4; + } + else if (int_scalefac_comp <= 255) + { + int_scalefac_comp -= 244; + new_slen[0] = (int_scalefac_comp) / 3; + new_slen[1] = (int_scalefac_comp) % 3; + new_slen[2] = 0; + blocknumber = 5; + } + new_slen[3] = 0; + si->ch[ch].gran[gr].preflag = 0; + } + else + { + if (scalefac_comp < 400) + { + new_slen[0] = (scalefac_comp >> 4) / 5; + new_slen[1] = (scalefac_comp >> 4) % 5; + new_slen[2] = (scalefac_comp & 15) >> 2 ; + new_slen[3] = (scalefac_comp & 3); + si->ch[ch].gran[gr].preflag = 0; + + blocknumber = 0; + } + else if (scalefac_comp < 500) + { + scalefac_comp -= 400; + new_slen[0] = (scalefac_comp >> 2) / 5; + new_slen[1] = (scalefac_comp >> 2) % 5; + new_slen[2] = scalefac_comp & 3; + new_slen[3] = 0; + si->ch[ch].gran[gr].preflag = 0; + blocknumber = 1; + } + else if (scalefac_comp < 512) + { + scalefac_comp -= 500; + new_slen[0] = scalefac_comp / 3; + new_slen[1] = scalefac_comp % 3; + new_slen[2] = 0 ; + new_slen[3] = 0; + si->ch[ch].gran[gr].preflag = 1; + blocknumber = 2; + } + } + + if (gr_info->block_type == 2) + { + if (gr_info->mixed_block_flag) + { + blocktypenumber = 2; + } + else + { + blocktypenumber = 1; + } + } + + k = 0; + for (i = 0; i < 4; i++) + { + if (new_slen[i]) + { + for (j = 0; j < (int16)nr_of_sfb_block[blocknumber][blocktypenumber][i]; j++) + { + scalefac_buffer[k] = getNbits(pMainData, new_slen[i]); + scalefac_IIP_buffer[k] = (1L << new_slen[i]) - 1; + k++; + } + } + else + { + for (j = 0; j < (int16)nr_of_sfb_block[blocknumber][blocktypenumber][i]; j++) + { + scalefac_buffer[k] = 0; + scalefac_IIP_buffer[k] = 0; + k++; + } + } + } +} diff --git a/sources/pvmp3dec/src/pvmp3_mpeg2_get_scale_data.h b/sources/pvmp3dec/src/pvmp3_mpeg2_get_scale_data.h new file mode 100644 index 00000000..630ed610 --- /dev/null +++ b/sources/pvmp3dec/src/pvmp3_mpeg2_get_scale_data.h @@ -0,0 +1,105 @@ +/* ------------------------------------------------------------------ + * Copyright (C) 1998-2009 PacketVideo + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either + * express or implied. + * See the License for the specific language governing permissions + * and limitations under the License. + * ------------------------------------------------------------------- + */ +/* +------------------------------------------------------------------------------ + PacketVideo Corp. + MP3 Decoder Library + + Filename: pvmp3_mpeg2_get_scale_data.h + + Date: 09/21/2007 + +------------------------------------------------------------------------------ + REVISION HISTORY + + Description: + +------------------------------------------------------------------------------ + INCLUDE DESCRIPTION + +------------------------------------------------------------------------------ +*/ + +/*---------------------------------------------------------------------------- +; CONTINUE ONLY IF NOT ALREADY DEFINED +----------------------------------------------------------------------------*/ +#ifndef PVMP3_MPEG2_GET_SCALE_DATA_H +#define PVMP3_MPEG2_GET_SCALE_DATA_H + +/*---------------------------------------------------------------------------- +; INCLUDES +----------------------------------------------------------------------------*/ + +#include "pvmp3_dec_defs.h" +#include "pvmp3_audio_type_defs.h" +#include "s_mp3bits.h" + +/*---------------------------------------------------------------------------- +; MACROS +; Define module specific macros here +----------------------------------------------------------------------------*/ + +/*---------------------------------------------------------------------------- +; DEFINES +; Include all pre-processor statements here. +----------------------------------------------------------------------------*/ + +/*---------------------------------------------------------------------------- +; EXTERNAL VARIABLES REFERENCES +; Declare variables used in this module but defined elsewhere +----------------------------------------------------------------------------*/ + +/*---------------------------------------------------------------------------- +; SIMPLE TYPEDEF'S +----------------------------------------------------------------------------*/ + +/*---------------------------------------------------------------------------- +; ENUMERATED TYPEDEF'S +----------------------------------------------------------------------------*/ + +/*---------------------------------------------------------------------------- +; STRUCTURES TYPEDEF'S +----------------------------------------------------------------------------*/ + +/*---------------------------------------------------------------------------- +; GLOBAL FUNCTION DEFINITIONS +; Function Prototype declaration +----------------------------------------------------------------------------*/ + +#ifdef __cplusplus +extern "C" +{ +#endif + + void pvmp3_mpeg2_get_scale_data(mp3SideInfo *si, + int32 gr, + int32 ch, + mp3Header *info, + uint32 *scalefac_buffer, + uint32 *scalefac_IIP_buffer, + tmp3Bits *pMainData); + +#ifdef __cplusplus +} +#endif + +/*---------------------------------------------------------------------------- +; END +----------------------------------------------------------------------------*/ +#endif + diff --git a/sources/pvmp3dec/src/pvmp3_mpeg2_get_scale_factors.cpp b/sources/pvmp3dec/src/pvmp3_mpeg2_get_scale_factors.cpp new file mode 100644 index 00000000..e4d29d66 --- /dev/null +++ b/sources/pvmp3dec/src/pvmp3_mpeg2_get_scale_factors.cpp @@ -0,0 +1,202 @@ +/* ------------------------------------------------------------------ + * Copyright (C) 1998-2009 PacketVideo + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either + * express or implied. + * See the License for the specific language governing permissions + * and limitations under the License. + * ------------------------------------------------------------------- + */ +/* +------------------------------------------------------------------------------ + + PacketVideo Corp. + MP3 Decoder Library + + Filename: pvmp3_mpeg2_get_scale_factors.cpp + + Date: 09/21/2007 + +------------------------------------------------------------------------------ + REVISION HISTORY + + + Description: + +------------------------------------------------------------------------------ + INPUT AND OUTPUT DEFINITIONS + +Input + + mp3ScaleFactors *scalefac, + mp3SideInfo *si, side information + int32 gr, granule + int32 ch, channel + mp3Header *info, mp3 header information + uint32 *scalefac_IIP_buffer, auxiliary scale data + tbits *pMainData bit stream Data + + Returns + + III_scalefac_t *scalefac, scale factor + + +------------------------------------------------------------------------------ + FUNCTION DESCRIPTION + + get scale factor for mpe2 layer III LSF extension + +------------------------------------------------------------------------------ + REQUIREMENTS + + +------------------------------------------------------------------------------ + REFERENCES + + [1] ISO MPEG Audio Subgroup Software Simulation Group (1996) + ISO 13818-3 MPEG-2 Audio Decoder - Lower Sampling Frequency Extension + +------------------------------------------------------------------------------ + PSEUDO-CODE + +------------------------------------------------------------------------------ +*/ + + +/*---------------------------------------------------------------------------- +; INCLUDES +----------------------------------------------------------------------------*/ + +#include "pvmp3_mpeg2_get_scale_factors.h" +#include "pvmp3_mpeg2_get_scale_data.h" + + +/*---------------------------------------------------------------------------- +; MACROS +; Define module specific macros here +----------------------------------------------------------------------------*/ + + +/*---------------------------------------------------------------------------- +; DEFINES +; Include all pre-processor statements here. Include conditional +; compile variables also. +----------------------------------------------------------------------------*/ + +/*---------------------------------------------------------------------------- +; LOCAL FUNCTION DEFINITIONS +; Function Prototype declaration +----------------------------------------------------------------------------*/ + +/*---------------------------------------------------------------------------- +; LOCAL STORE/BUFFER/POINTER DEFINITIONS +; Variable declaration - defined here and used outside this module +----------------------------------------------------------------------------*/ + +/*---------------------------------------------------------------------------- +; EXTERNAL FUNCTION REFERENCES +; Declare functions defined elsewhere and referenced in this module +----------------------------------------------------------------------------*/ + +/*---------------------------------------------------------------------------- +; EXTERNAL GLOBAL STORE/BUFFER/POINTER REFERENCES +; Declare variables used in this module but defined elsewhere +----------------------------------------------------------------------------*/ + +/*---------------------------------------------------------------------------- +; FUNCTION CODE +----------------------------------------------------------------------------*/ + +void pvmp3_mpeg2_get_scale_factors(mp3ScaleFactors *scalefac, + mp3SideInfo *si, + int32 gr, + int32 ch, + mp3Header *info, + uint32 *scalefac_IIP_buffer, + tmp3Bits *pMainData) +{ + + int32 sfb; + int32 k = 0; + int32 window; + uint32 *scalefac_buffer = &scalefac_IIP_buffer[56]; + + granuleInfo *gr_info = &(si->ch[ch].gran[gr]); + + pvmp3_mpeg2_get_scale_data(si, + gr, + ch, + info, + (uint32 *)scalefac_buffer, + (uint32 *)scalefac_IIP_buffer, + pMainData); + + + if (gr_info->window_switching_flag && (gr_info->block_type == 2)) + { + if (gr_info->mixed_block_flag) + { + for (sfb = 0; sfb < 6; sfb++) + { + scalefac->l[sfb] = scalefac_buffer[sfb]; + } + + + k = 6; + for (sfb = 3; sfb < 12; sfb++) + { + for (window = 0; window < 3; window++) + { + scalefac->s[window][sfb] = scalefac_buffer[k]; + k++; + } + } + + + /* adjust position of "illegal position" information in scalefac_IIP_buffer[] */ + /* in mixed blocks mode for short sfb, move them 3 places up. efs 3002-07-04 */ + for (sfb = 11; sfb >= 3; sfb--) + { + scalefac_IIP_buffer[3*sfb + 2] = scalefac_IIP_buffer[3*sfb - 1]; + scalefac_IIP_buffer[3*sfb + 1] = scalefac_IIP_buffer[3*sfb - 2]; + scalefac_IIP_buffer[3*sfb ] = scalefac_IIP_buffer[3*sfb - 3]; + + } + } + else + { /* SHORT*/ + for (sfb = 0; sfb < 12; sfb++) + { + for (window = 0; window < 3; window++) + { + scalefac->s[window][sfb] = scalefac_buffer[k]; + k++; + } + } + } + + scalefac->s[0][12] = 0; + scalefac->s[1][12] = 0; + scalefac->s[2][12] = 0; + + } + else + { /* LONG types 0,1,3 */ + for (sfb = 0; sfb < 21; sfb++) + { + scalefac->l[sfb] = scalefac_buffer[sfb]; + } + scalefac->l[21] = 0; + scalefac->l[22] = 0; + + } +} + diff --git a/sources/pvmp3dec/src/pvmp3_mpeg2_get_scale_factors.h b/sources/pvmp3dec/src/pvmp3_mpeg2_get_scale_factors.h new file mode 100644 index 00000000..46d16b3a --- /dev/null +++ b/sources/pvmp3dec/src/pvmp3_mpeg2_get_scale_factors.h @@ -0,0 +1,105 @@ +/* ------------------------------------------------------------------ + * Copyright (C) 1998-2009 PacketVideo + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either + * express or implied. + * See the License for the specific language governing permissions + * and limitations under the License. + * ------------------------------------------------------------------- + */ +/* +------------------------------------------------------------------------------ + PacketVideo Corp. + MP3 Decoder Library + + Filename: pvmp3_mpeg2_get_scale_factors.h + + Date: 09/21/2007 + +------------------------------------------------------------------------------ + REVISION HISTORY + + Description: + +------------------------------------------------------------------------------ + INCLUDE DESCRIPTION + +------------------------------------------------------------------------------ +*/ + +/*---------------------------------------------------------------------------- +; CONTINUE ONLY IF NOT ALREADY DEFINED +----------------------------------------------------------------------------*/ +#ifndef PVMP3_MPEG2_GET_SCALE_FACTORS_H +#define PVMP3_MPEG2_GET_SCALE_FACTORS_H + +/*---------------------------------------------------------------------------- +; INCLUDES +----------------------------------------------------------------------------*/ + +#include "pvmp3_dec_defs.h" +#include "pvmp3_audio_type_defs.h" +#include "s_mp3bits.h" + +/*---------------------------------------------------------------------------- +; MACROS +; Define module specific macros here +----------------------------------------------------------------------------*/ + +/*---------------------------------------------------------------------------- +; DEFINES +; Include all pre-processor statements here. +----------------------------------------------------------------------------*/ + +/*---------------------------------------------------------------------------- +; EXTERNAL VARIABLES REFERENCES +; Declare variables used in this module but defined elsewhere +----------------------------------------------------------------------------*/ + +/*---------------------------------------------------------------------------- +; SIMPLE TYPEDEF'S +----------------------------------------------------------------------------*/ + +/*---------------------------------------------------------------------------- +; ENUMERATED TYPEDEF'S +----------------------------------------------------------------------------*/ + +/*---------------------------------------------------------------------------- +; STRUCTURES TYPEDEF'S +----------------------------------------------------------------------------*/ + +/*---------------------------------------------------------------------------- +; GLOBAL FUNCTION DEFINITIONS +; Function Prototype declaration +----------------------------------------------------------------------------*/ + +#ifdef __cplusplus +extern "C" +{ +#endif + + void pvmp3_mpeg2_get_scale_factors(mp3ScaleFactors *scalefac, + mp3SideInfo *si, + int32 gr, + int32 ch, + mp3Header *info, + uint32 *scalefac_IIP_buffer, + tmp3Bits *pMainData); + +#ifdef __cplusplus +} +#endif + +/*---------------------------------------------------------------------------- +; END +----------------------------------------------------------------------------*/ +#endif + diff --git a/sources/pvmp3dec/src/pvmp3_mpeg2_stereo_proc.cpp b/sources/pvmp3dec/src/pvmp3_mpeg2_stereo_proc.cpp new file mode 100644 index 00000000..c79062c4 --- /dev/null +++ b/sources/pvmp3dec/src/pvmp3_mpeg2_stereo_proc.cpp @@ -0,0 +1,700 @@ +/* ------------------------------------------------------------------ + * Copyright (C) 1998-2009 PacketVideo + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either + * express or implied. + * See the License for the specific language governing permissions + * and limitations under the License. + * ------------------------------------------------------------------- + */ +/* +------------------------------------------------------------------------------ + + PacketVideo Corp. + MP3 Decoder Library + + Filename: pvmp3_mpeg2_stereo_proc.cpp + + Functions: + + pvmp3_st_intensity_ver2 + pvmp3_mpeg2_stereo_proc + + Date: 09/21/2007 + +------------------------------------------------------------------------------ + REVISION HISTORY + + + Description: + + +------------------------------------------------------------------------------ + +pvmp3_st_intensity_ver2 + + INPUT AND OUTPUT DEFINITIONS + +Input + + int32 xr[], input channel + int32 xl[], + int32 m, selecting index: io = 2(1/4) (m=0), io = 2(1/8) (m=1) + int32 is_pos, index on table is_pos_pow_eitgh_root_of_2 + int32 Start, Location of first element where stereo intensity is applied + int32 Number number of elements affected + + Returns + + int32 xl[], generated stereo channel + + + + +------------------------------------------------------------------------------ + +pvmp3_mpeg2_stereo_proc + + INPUT AND OUTPUT DEFINITIONS + +Input + + int32 xr[], input channel + int32 xl[], + mp3ScaleFactors *scalefac, scale factors structure for Right channel + granuleInfo *gr_info_l, granule structure for the left channel + granuleInfo *gr_info_r, granule structure for the rigth channel + uint32 *scalefac_IIP_buffer, auxiliary scale factor vector + mp3Header *info mp3 header info + Returns + + int32 xl[], generated stereo channel + + +------------------------------------------------------------------------------ + FUNCTION DESCRIPTION + + stereo processing for mpeg2 layer III LSF extension + +------------------------------------------------------------------------------ + REQUIREMENTS + + +------------------------------------------------------------------------------ + REFERENCES + + [1] ISO MPEG Audio Subgroup Software Simulation Group (1996) + ISO 13818-3 MPEG-2 Audio Decoder - Lower Sampling Frequency Extension + +------------------------------------------------------------------------------ + PSEUDO-CODE + +------------------------------------------------------------------------------ +*/ + + +/*---------------------------------------------------------------------------- +; INCLUDES +----------------------------------------------------------------------------*/ + +#include "pvmp3_mpeg2_stereo_proc.h" +#include "pvmp3_stereo_proc.h" +#include "pv_mp3dec_fxd_op.h" +#include "pvmp3_tables.h" +#include "mp3_mem_funcs.h" + +/*---------------------------------------------------------------------------- +; MACROS +; Define module specific macros here +----------------------------------------------------------------------------*/ + + +/*---------------------------------------------------------------------------- +; DEFINES +; Include all pre-processor statements here. Include conditional +; compile variables also. +----------------------------------------------------------------------------*/ + +#define Q31_fmt(a) (int32(double(0x7FFFFFFF)*a)) + +/*---------------------------------------------------------------------------- +; LOCAL FUNCTION DEFINITIONS +; Function Prototype declaration +----------------------------------------------------------------------------*/ + +/*---------------------------------------------------------------------------- +; LOCAL STORE/BUFFER/POINTER DEFINITIONS +; Variable declaration - defined here and used outside this module +----------------------------------------------------------------------------*/ +const int32 is_pos_pow_eitgh_root_of_2[8] = +{ + /* --- 2^(1/8) ----- */ + Q31_fmt(1.00000000000000), Q31_fmt(0.91700404320467), Q31_fmt(0.84089641525371), + Q31_fmt(0.77110541270397), Q31_fmt(0.70710678118655), Q31_fmt(0.64841977732550), + Q31_fmt(0.59460355750136), Q31_fmt(0.54525386633263) +}; + +/*---------------------------------------------------------------------------- +; EXTERNAL FUNCTION REFERENCES +; Declare functions defined elsewhere and referenced in this module +----------------------------------------------------------------------------*/ + +/*---------------------------------------------------------------------------- +; EXTERNAL GLOBAL STORE/BUFFER/POINTER REFERENCES +; Declare variables used in this module but defined elsewhere +----------------------------------------------------------------------------*/ + +/*---------------------------------------------------------------------------- +; FUNCTION CODE +----------------------------------------------------------------------------*/ + +void pvmp3_st_intensity_ver2(int32 xr[SUBBANDS_NUMBER*FILTERBANK_BANDS], + int32 xl[SUBBANDS_NUMBER*FILTERBANK_BANDS], + int32 m, + int32 is_pos, + int32 Start, + int32 Number) +{ + int32 k[2]; + + /* pow(io, ((is_pos + 1)>>1)); io = 2(1/4) (m=0), io = 2(1/8) (m=1) */ + k[0] = is_pos_pow_eitgh_root_of_2[((is_pos+1)&(3+(m<<2)))<<(1-m)] >> ((is_pos + 1) >> (2 + m)); + /* pow(io, (is_pos>>1)); io = 2(1/4) (m=0), io = 2(1/8) (m=1) */ + k[1] = is_pos_pow_eitgh_root_of_2[(is_pos&(3+(m<<2)))<<(1-m)] >> (is_pos >> (2 + m)); + + + int32 *pt_xr = &xr[Start]; + int32 *pt_xl = &xl[Start]; + + if (is_pos == 0) /* 0 < is_pos < 31 */ + { + pv_memcpy(pt_xl, pt_xr, Number*sizeof(*pt_xr)); + } + else if (is_pos & 1) + { + for (int32 i = Number >> 1; i != 0; i--) + { + *(pt_xl++) = (*pt_xr); + *(pt_xr) = fxp_mul32_Q32((*pt_xr) << 1, k[0]); + pt_xr++; + *(pt_xl++) = (*pt_xr); + *(pt_xr) = fxp_mul32_Q32((*pt_xr) << 1, k[0]); + pt_xr++; + } + if (Number&1) + { + *(pt_xl) = (*pt_xr); + *(pt_xr) = fxp_mul32_Q32((*pt_xr) << 1, k[0]); + } + } + else + { + for (int32 i = Number >> 1; i != 0; i--) + { + *(pt_xl++) = fxp_mul32_Q32((*(pt_xr++)) << 1, k[1]); + *(pt_xl++) = fxp_mul32_Q32((*(pt_xr++)) << 1, k[1]); + } + if (Number&1) + { + *(pt_xl) = fxp_mul32_Q32((*pt_xr) << 1, k[1]); + } + } + +} + + + +/*---------------------------------------------------------------------------- +; FUNCTION CODE +----------------------------------------------------------------------------*/ +void pvmp3_mpeg2_stereo_proc(int32 xr[SUBBANDS_NUMBER*FILTERBANK_BANDS], + int32 xl[SUBBANDS_NUMBER*FILTERBANK_BANDS], + mp3ScaleFactors *scalefac_R, + granuleInfo *gr_info_l, + granuleInfo *gr_info_r, + uint32 *scalefac_IIP_buffer, + int32 used_freq_lines, + mp3Header *info) +{ + + int32 sfreq; + int32 sb; + int32 ss; + int32 sfbNo; + int32 sfbStart; + int32 sfb; + int32 sfbTemp; + int32 i; + int32 j; + int32 io; + + + int32 i_stereo = (info->mode == MPG_MD_JOINT_STEREO) && + (info->mode_ext & 0x1); + + int32 ms_stereo = (info->mode == MPG_MD_JOINT_STEREO) && + (info->mode_ext & 0x2); + + + if (i_stereo) + { + if (gr_info_r->scalefac_compress & 1) + { + io = 0; /* 2^(-1/4) */ + } + else + { + io = 1; /* 2^(-1/8) */ + } + + sfreq = info->version_x + (info->version_x << 1); + sfreq += info->sampling_frequency; + + if (gr_info_l->window_switching_flag && (gr_info_l->block_type == 2)) + { + if (gr_info_l->mixed_block_flag) + { + /* + * mixed blocks processing + */ + i = 31; + ss = 17; + sb = -1; + + while (i >= 0) + { + if (xl[(i*FILTERBANK_BANDS) + ss]) + { + sb = (i << 4) + (i << 1) + ss; + i = -1; + } + else + { + ss--; + if (ss < 0) + { + i--; + ss = 17; + } + } + } /* now sb is the number of highest line with value != 0 */ + /* can be between -1 (all lines zero) and 575 (no line zero) */ + + if (sb < 36) /* was (sb <= 36) */ + { + /* + * mixed blocks processing: intensity bound inside long blocks + */ + /* 1. long blocks up to intensity border: Stereo or M/S */ + if (mp3_sfBandIndex[sfreq].l[4] <= sb) + { + i = 4; + } + else + { + i = 0; + } + + while (mp3_sfBandIndex[sfreq].l[i] <= sb) + { + i++; + } + sfbTemp = i; /* from that (long) sfb on we have intensity stereo */ + + sfbNo = mp3_sfBandIndex[sfreq].l[sfbTemp]; /* number of lines to process */ + + /* from sfbStart up sfbNo lines do ms_stereo or normal stereo */ + if (ms_stereo) + { + pvmp3_st_mid_side(xr, xl, 0, sfbNo); + } + + /* 2. long blocks from intensity border up to sfb band 6: intensity */ + /* calc. MPEG_1_2_Factor[0], MPEG_1_2_Factor[1] */ + + for (sfb = sfbTemp; sfb < 6; sfb++) + { + sfbStart = mp3_sfBandIndex[sfreq].l[sfb]; /* = Start in 0 ... 575 */ + sfbNo = mp3_sfBandIndex[sfreq].l[sfb+1] - mp3_sfBandIndex[sfreq].l[sfb]; /* No of lines to process */ + + if ((uint32)(scalefac_R->l[sfb]) != scalefac_IIP_buffer[sfb]) + { + pvmp3_st_intensity_ver2(xr, xl, io, scalefac_R->l[sfb], sfbStart, sfbNo); + } + else if (ms_stereo) + { + pvmp3_st_mid_side(xr, xl, sfbStart, sfbNo); + } + } + + /* 3. now process all sfb with short blocks (3...12), all in intensity mode */ + + for (j = 0; j < 3; j++) + { + /* first calculate directional factors for intensity stereo, + * for all sfb in intensity mode, but only + * if they do not have "illegal" position: + */ + /* to do this for all sfb we have to get information for last scale factor band: + * here we clearly have more than one sfb in intensity mode, + * so copy factors and legal/illegal information from sfb11 to sfb12 + */ + (scalefac_R->s[j][12]) = (scalefac_R->s[j][11]); + scalefac_IIP_buffer[36 + j] = scalefac_IIP_buffer[33 + j]; /* legal/illegal in sfb 12 same as in sfb 11 */ + + for (sfb = 3; sfb < 13; sfb++) + { + sfbNo = mp3_sfBandIndex[sfreq].s[sfb+1] - mp3_sfBandIndex[sfreq].s[sfb]; /* No of lines to process */ + sfbStart = 3 * mp3_sfBandIndex[sfreq].s[sfb] + j * sfbNo; + + if ((uint32)(scalefac_R->s[j][sfb]) != scalefac_IIP_buffer[3*sfb + j]) + { + pvmp3_st_intensity_ver2(xr, xl, io, scalefac_R->s[j][sfb], sfbStart, sfbNo); + } + else if (ms_stereo) + { + pvmp3_st_mid_side(xr, xl, sfbStart, sfbNo); + } + } + } /* for (j = 0; j < 3; j++) */ + } + else /* else then (sb >= 36) */ + { + /* + * mixed blocks processing: intensity bound outside long blocks + */ + + /* 2. short blocks, do for all 3 */ + /* ------------------------------ */ + for (j = 0; j < 3; j++) + { + int32 sfbcnt = -1; + + for (sfb = 12; sfb >= 3; sfb--) + { + int32 lines = mp3_sfBandIndex[sfreq].s[sfb+1] - mp3_sfBandIndex[sfreq].s[sfb]; + + i = 3 * mp3_sfBandIndex[sfreq].s[sfb] + (j + 1) * lines - 1; + + while (lines > 0) + { + if (xl[i]) + { + sfbcnt = sfb; + sfb = -10; + lines = -10; + } + lines--; + i--; + } + } + + sfbcnt += 1; + if (sfbcnt < 3) + { + sfbcnt = 3; /* should not be necessary */ + } + + sfbTemp = sfbcnt; /* from this (short) sfb on we have intensity mode */ + /* can have values between 3 (all short sfb in intensity) */ + /* and 13 (no short sfb in intensity mode) */ + + /* 3. from sfbTemp to last sfb calculate is_ratio values: */ + /* first calculate directional factors for intensity stereo, */ + /* for all sfb in intensity mode, but only */ + /* if they do not have "illegal" position: */ + + /* to do this for all sfb we have to get information for last scale factor band: */ + /* get factors for last scale factor band: */ + /* more than one sfb in intensity mode, + copy factors and legal/illegal information from sfb11 to sfb12 */ + if (sfbTemp < 12) + { + (scalefac_R->s[j][12]) = (scalefac_R->s[j][11]); + scalefac_IIP_buffer[36 + j] = scalefac_IIP_buffer[33 + j]; /* legal/illegal in sfb 12 same as in sfb 11 */ + } + else if (sfbTemp == sfb) + /* only sfb 12 in intensity mode, use factors corresponding to is_pos[12] == 0 */ + { + (scalefac_R->s[j][12]) = 0; + scalefac_IIP_buffer[36 + j] = 1; /* the scf value 0 in sfb12 is "legal" */ + } + /* if sfbTemp > sfb (no sfb in intensity mode): do nothing */ + + + /* 4. do normal stereo or MS stereo from sfb 3 to < sfbTemp: */ + for (sfb = 3; sfb < sfbTemp; sfb++) + { + sfbNo = mp3_sfBandIndex[sfreq].s[sfb+1] - mp3_sfBandIndex[sfreq].s[sfb]; + sfbStart = 3 * mp3_sfBandIndex[sfreq].s[sfb] + j * sfbNo; + + if (ms_stereo) + { + pvmp3_st_mid_side(xr, xl, sfbStart, sfbNo); + } + } + + /* 5. now intensity stereo processing of the remaining sfb's: */ + + for (sfb = sfbTemp; sfb < 13; sfb++) + { + sfbNo = mp3_sfBandIndex[sfreq].s[sfb+1] - mp3_sfBandIndex[sfreq].s[sfb]; /* No of lines to process */ + sfbStart = 3 * mp3_sfBandIndex[sfreq].s[sfb] + j * sfbNo; + if ((uint32)(scalefac_R->s[j][sfb]) != scalefac_IIP_buffer[3*sfb + j]) + { + pvmp3_st_intensity_ver2(xr, xl, io, scalefac_R->s[j][sfb], sfbStart, sfbNo); + } + else if (ms_stereo) + { + pvmp3_st_mid_side(xr, xl, sfbStart, sfbNo); + } + } + /* end of correction by efs 2003-07-04 */ + } /* for (j = 0; j < 3; j++) */ + + + /* long blocks 0 up to sfb band 6: no intensity */ + + sfbNo = mp3_sfBandIndex[sfreq].l[6]; /* number of lines to process */ + if (ms_stereo) + { + pvmp3_st_mid_side(xr, xl, 0, sfbNo); + } + + } /* if intensity bound inside or outside long blocks */ + } /* if (gr_info->mixed_block_flag) */ + else + { + /* + * short block processing + */ + for (j = 0; j < 3; j++) + { + int32 sfbcnt = -1; + + for (sfb = 12; sfb >= 0; sfb--) + { + int32 lines = mp3_sfBandIndex[sfreq].s[sfb+1] - mp3_sfBandIndex[sfreq].s[sfb]; + i = 3 * mp3_sfBandIndex[sfreq].s[sfb] + (j + 1) * lines - 1; + + while (lines > 0) + { + if (xl[i]) + { + sfbcnt = sfb; + sfb = -10; + lines = -10; + } + lines--; + i--; + } + } + + sfbcnt += 1; + + /* start of corrected version by efs 2003-07-04 */ + sfbTemp = sfbcnt; /* from this (short) sfb on we have intensity mode */ + /* can have values between 3 (all short sfb in intensity) */ + /* and 13 (no short sfb in intensity mode) */ + + /* first calculate directional factors for intensity stereo, + for all sfb in intensity mode, but only + if they do not have "illegal" position: */ + + /* to do this for all sfb we have to get information for last scale factor band: */ + /* get factors for last scale factor band: */ + /* more than one sfb in intensity mode, + copy factors and legal/illegal information from sfb11 to sfb12 */ + if (sfbTemp < 12) + { + (scalefac_R->s[j][12]) = (scalefac_R->s[j][11]); + scalefac_IIP_buffer[36 + j] = scalefac_IIP_buffer[33 + j]; /* legal/illegal in sfb 12 same as in sfb 11 */ + } + else if (sfbTemp == 12) + /* only sfb 12 in intensity mode, use factors corresponding to is_pos[12] == 0 */ + { + (scalefac_R->s[j][12]) = 0; + scalefac_IIP_buffer[36 + j] = 1; /* the scf value 0 in sfb12 is "legal" */ + } + /* if sfbTemp > sfb (no sfb in intensity mode): do nothing */ + + + /* Now process audio samples */ + /* first process lower sfb's not in intensity mode */ + for (sfb = 0; sfb < sfbTemp; sfb++) + { + sfbNo = mp3_sfBandIndex[sfreq].s[sfb+1] - mp3_sfBandIndex[sfreq].s[sfb]; + sfbStart = 3 * mp3_sfBandIndex[sfreq].s[sfb] + j * sfbNo; + + if (ms_stereo) + { + pvmp3_st_mid_side(xr, xl, sfbStart, sfbNo); + } + } + + /* now intensity stereo processing of the remaining sfb's: */ + for (sfb = sfbTemp; sfb < 13; sfb++) + { + sfbNo = mp3_sfBandIndex[sfreq].s[sfb+1] - mp3_sfBandIndex[sfreq].s[sfb]; /* No of lines to process */ + sfbStart = 3 * mp3_sfBandIndex[sfreq].s[sfb] + j * sfbNo; + + if ((uint32)(scalefac_R->s[j][sfb]) != scalefac_IIP_buffer[3*sfb + j]) + { + pvmp3_st_intensity_ver2(xr, xl, io, scalefac_R->s[j][sfb], sfbStart, sfbNo); + } + else if (ms_stereo) + { + pvmp3_st_mid_side(xr, xl, sfbStart, sfbNo); + } + } + + } /* for (j = 0; j < 3; j++) */ + + } /* end of else ( gr_info->mixed_block_flag) */ + + } /* if (gr_info->window_switching_flag && (gr_info->block_type == 2)) */ + else + { + /* + * long block processing + */ + i = 31; + ss = 17; + sb = 0; + + while (i >= 0) + { + if (xl[(i*FILTERBANK_BANDS) + ss]) + { + sb = (i << 4) + (i << 1) + ss; + /* i = -1 patched RF 24-09-2002 */ + i = -2; + } + else + { + ss--; + if (ss < 0) + { + i--; + ss = 17; + } + } + } + + /* patched RF 24-09-2002 */ + if (sb) + { + if (mp3_sfBandIndex[sfreq].l[14] <= sb) + { + i = 14; + } + else if (mp3_sfBandIndex[sfreq].l[7] <= sb) + { + i = 7; + } + else + { + i = 0; + } + + while (mp3_sfBandIndex[sfreq].l[i] <= sb) + { + i++; + } + } + + else + { + if (i == -1) + { + /* all xr[1][][] are 0: set IS bound sfb to 0 */ + i = 0; + } + else + { + /* xr[1][0][0] is unequal 0 and all others are 0: set IS bound sfb to 1 */ + i = 1; + } + } + /* corrected version by efs 2003-07-04 */ + sfbTemp = i; /* from this (long) sfb on we have intensity mode */ + /* can have values between 0 (all long sfb in intensity) */ + /* and 22 (no long sfb in intensity mode) */ + + /* first calculate directional factors for intensity stereo, + for all sfb in intensity mode, but only if they + do not have "illegal" position: */ + + /* to do this for all sfb we have to get information for last scale factor band: */ + if (sfbTemp < 21) + /* more than one sfb in intensity mode, */ + /* copy factors and legal/illegal information from sfb20 to sfb21 */ + { + (scalefac_R->l[21]) = (scalefac_R->l[20]); + scalefac_IIP_buffer[21] = scalefac_IIP_buffer[20]; /* legal/illegal in sfb 21 same as in sfb 20 */ + } + else if (sfbTemp == 21) + /* only sfb 21 in intensity mode, is_pos[21] = 0 */ + { + (scalefac_R->l[21]) = 0; + scalefac_IIP_buffer[21] = 1; /* the scf value 0 in sfb21 is "legal" */ + } + /* if sfbTemp > 21 (no sfb in intensity mode): do nothing */ + + + /* Now process audio samples */ + /* first process lower sfb's not in intensity mode */ + + sfbNo = mp3_sfBandIndex[sfreq].l[sfbTemp] - mp3_sfBandIndex[sfreq].l[0]; + sfbStart = mp3_sfBandIndex[sfreq].l[0]; + + if (ms_stereo) + { + pvmp3_st_mid_side(xr, xl, sfbStart, sfbNo); + } + + /* now intensity stereo processing of the remaining sfb's: */ + for (sfb = sfbTemp; sfb < 22; sfb++) + { + sfbNo = mp3_sfBandIndex[sfreq].l[sfb+1] - mp3_sfBandIndex[sfreq].l[sfb]; /* number of lines to process */ + sfbStart = mp3_sfBandIndex[sfreq].l[sfb]; /* start of sfb */ + + if ((uint32)(scalefac_R->l[sfb]) != scalefac_IIP_buffer[sfb]) /* "legal" position ? */ + { + pvmp3_st_intensity_ver2(xr, xl, io, scalefac_R->l[sfb], sfbStart, sfbNo); + } + else if (ms_stereo) + { + pvmp3_st_mid_side(xr, xl, sfbStart, sfbNo); + } + + } /* for (sfb = sfbTemp; sfb < 22; sfb++) */ + + } /* if (gr_info->window_switching_flag && (gr_info->block_type == 2)) */ + + } /* if (i_stereo) */ + else + { + /* + * normal or ms stereo processing + */ + if (ms_stereo) + { + pvmp3_st_mid_side(xr, xl, 0, used_freq_lines); + } + + } /* if (i_stereo) */ + +} + + + + diff --git a/sources/pvmp3dec/src/pvmp3_mpeg2_stereo_proc.h b/sources/pvmp3dec/src/pvmp3_mpeg2_stereo_proc.h new file mode 100644 index 00000000..7db0c530 --- /dev/null +++ b/sources/pvmp3dec/src/pvmp3_mpeg2_stereo_proc.h @@ -0,0 +1,112 @@ +/* ------------------------------------------------------------------ + * Copyright (C) 1998-2009 PacketVideo + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either + * express or implied. + * See the License for the specific language governing permissions + * and limitations under the License. + * ------------------------------------------------------------------- + */ +/* +------------------------------------------------------------------------------ + PacketVideo Corp. + MP3 Decoder Library + + Filename: pvmp3_mpeg2_stereo_proc.h + + Date: 09/21/2007 + +------------------------------------------------------------------------------ + REVISION HISTORY + + Description: + +------------------------------------------------------------------------------ + INCLUDE DESCRIPTION + +------------------------------------------------------------------------------ +*/ + +/*---------------------------------------------------------------------------- +; CONTINUE ONLY IF NOT ALREADY DEFINED +----------------------------------------------------------------------------*/ +#ifndef PVMP3_MPEG2_STEREO_PROC_H +#define PVMP3_MPEG2_STEREO_PROC_H + +/*---------------------------------------------------------------------------- +; INCLUDES +----------------------------------------------------------------------------*/ +#include "pvmp3_dec_defs.h" +#include "pvmp3_audio_type_defs.h" + +/*---------------------------------------------------------------------------- +; MACROS +; Define module specific macros here +----------------------------------------------------------------------------*/ + +/*---------------------------------------------------------------------------- +; DEFINES +; Include all pre-processor statements here. +----------------------------------------------------------------------------*/ + +/*---------------------------------------------------------------------------- +; EXTERNAL VARIABLES REFERENCES +; Declare variables used in this module but defined elsewhere +----------------------------------------------------------------------------*/ + +/*---------------------------------------------------------------------------- +; SIMPLE TYPEDEF'S +----------------------------------------------------------------------------*/ + +/*---------------------------------------------------------------------------- +; ENUMERATED TYPEDEF'S +----------------------------------------------------------------------------*/ + +/*---------------------------------------------------------------------------- +; STRUCTURES TYPEDEF'S +----------------------------------------------------------------------------*/ + +/*---------------------------------------------------------------------------- +; GLOBAL FUNCTION DEFINITIONS +; Function Prototype declaration +----------------------------------------------------------------------------*/ + +#ifdef __cplusplus +extern "C" +{ +#endif + + void pvmp3_mpeg2_stereo_proc(int32 xr[SUBBANDS_NUMBER*FILTERBANK_BANDS], + int32 xl[SUBBANDS_NUMBER*FILTERBANK_BANDS], + mp3ScaleFactors *scalefac, + granuleInfo *gr_info_l, + granuleInfo *gr_info_r, + uint32 *scalefac_IIP_buffer, + int32 used_freq_lines, + mp3Header *info); + + + void pvmp3_st_intensity_ver2(int32 xr[SUBBANDS_NUMBER*FILTERBANK_BANDS], + int32 xl[SUBBANDS_NUMBER*FILTERBANK_BANDS], + int32 m, + int32 is_pos, + int32 Start, + int32 Number); +#ifdef __cplusplus +} +#endif + +/*---------------------------------------------------------------------------- +; END +----------------------------------------------------------------------------*/ +#endif + + diff --git a/sources/pvmp3dec/src/pvmp3_normalize.cpp b/sources/pvmp3dec/src/pvmp3_normalize.cpp new file mode 100644 index 00000000..e579bbd8 --- /dev/null +++ b/sources/pvmp3dec/src/pvmp3_normalize.cpp @@ -0,0 +1,173 @@ +/* ------------------------------------------------------------------ + * Copyright (C) 1998-2009 PacketVideo + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either + * express or implied. + * See the License for the specific language governing permissions + * and limitations under the License. + * ------------------------------------------------------------------- + */ +/* +------------------------------------------------------------------------------ + PacketVideo Corp. + MP3 Decoder Library + + Filename: pvmp3_normalize.cpp + + Date: 10/02/2007 + +------------------------------------------------------------------------------ + REVISION HISTORY + + + Description: + +------------------------------------------------------------------------------ + INPUT AND OUTPUT DEFINITIONS + +Input + Int32 x 32-bit integer non-zero input +Returns + Int32 i number of leading zeros on x + + +------------------------------------------------------------------------------ + FUNCTION DESCRIPTION + + Returns number of leading zeros on the non-zero input + +------------------------------------------------------------------------------ + REQUIREMENTS + + +------------------------------------------------------------------------------ + REFERENCES + +------------------------------------------------------------------------------ + PSEUDO-CODE + +------------------------------------------------------------------------------ +*/ + + +/*---------------------------------------------------------------------------- +; INCLUDES +----------------------------------------------------------------------------*/ + +#include "pvmp3_audio_type_defs.h" +#include "pvmp3_normalize.h" + +/*---------------------------------------------------------------------------- +; MACROS +; Define module specific macros here +----------------------------------------------------------------------------*/ + + +/*---------------------------------------------------------------------------- +; DEFINES +; Include all pre-processor statements here. Include conditional +; compile variables also. +----------------------------------------------------------------------------*/ + +/*---------------------------------------------------------------------------- +; LOCAL FUNCTION DEFINITIONS +; Function Prototype declaration +----------------------------------------------------------------------------*/ + +/*---------------------------------------------------------------------------- +; LOCAL STORE/BUFFER/POINTER DEFINITIONS +; Variable declaration - defined here and used outside this module +----------------------------------------------------------------------------*/ + +/*---------------------------------------------------------------------------- +; EXTERNAL FUNCTION REFERENCES +; Declare functions defined elsewhere and referenced in this module +----------------------------------------------------------------------------*/ + +/*---------------------------------------------------------------------------- +; EXTERNAL GLOBAL STORE/BUFFER/POINTER REFERENCES +; Declare variables used in this module but defined elsewhere +----------------------------------------------------------------------------*/ + +/*---------------------------------------------------------------------------- +; FUNCTION CODE +----------------------------------------------------------------------------*/ + +#if (defined(PV_ARM_V5)||defined(PV_ARM_V4)) +#elif (defined(PV_ARM_GCC_V5)||defined(PV_ARM_GCC_V4)) + + +/* function is inlined in header file */ + + +#else + +int32 pvmp3_normalize(int32 x) +{ + /*---------------------------------------------------------------------------- + ; Define all local variables + ----------------------------------------------------------------------------*/ + int32 i; + + + if (x > 0x0FFFFFFF) + { + i = 0; /* most likely case */ + } + else if (x > 0x00FFFFFF) + { + i = 3; /* second most likely case */ + } + else if (x > 0x0000FFFF) + { + i = x > 0x000FFFFF ? 7 : 11; + } + else + { + if (x > 0x000000FF) + { + i = x > 0x00000FFF ? 15 : 19; + } + else + { + i = x > 0x0000000F ? 23 : 27; + } + } + + + x <<= i; + + switch (x & 0x78000000) + { + case 0x08000000: + i += 3; + break; + + case 0x18000000: + case 0x10000000: + i += 2; + break; + case 0x28000000: + case 0x20000000: + case 0x38000000: + case 0x30000000: + i++; + + default: + ; + } + + return i; + +} + +#endif + diff --git a/sources/pvmp3dec/src/pvmp3_normalize.h b/sources/pvmp3dec/src/pvmp3_normalize.h new file mode 100644 index 00000000..54717712 --- /dev/null +++ b/sources/pvmp3dec/src/pvmp3_normalize.h @@ -0,0 +1,108 @@ +/* ------------------------------------------------------------------ + * Copyright (C) 1998-2009 PacketVideo + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either + * express or implied. + * See the License for the specific language governing permissions + * and limitations under the License. + * ------------------------------------------------------------------- + */ +/* +------------------------------------------------------------------------------ + PacketVideo Corp. + MP3 Decoder Library + + Filename: pvmp3_normalize.h + + Date: 10/02/2007 + +------------------------------------------------------------------------------ + REVISION HISTORY + + Description: +------------------------------------------------------------------------------ + INCLUDE DESCRIPTION + +------------------------------------------------------------------------------ +*/ + +#ifndef PVMP3_NORMALIZE_H +#define PVMP3_NORMALIZE_H + + +/*---------------------------------------------------------------------------- +; INCLUDES +----------------------------------------------------------------------------*/ + +#include "pvmp3_audio_type_defs.h" + +/*---------------------------------------------------------------------------- +; MACROS +; Define module specific macros here +----------------------------------------------------------------------------*/ + +/*---------------------------------------------------------------------------- +; EXTERNAL VARIABLES REFERENCES +----------------------------------------------------------------------------*/ + +/*---------------------------------------------------------------------------- +; DEFINES AND SIMPLE TYPEDEF'S +----------------------------------------------------------------------------*/ + +#if (defined(PV_ARM_V5)||defined(PV_ARM_V4)) + +__inline int32 pvmp3_normalize(int32 x) +{ + int32 y; + __asm + { + clz y, x; + sub y, y, #1 + } + return (y); +} + + +#elif (defined(PV_ARM_GCC_V5)||defined(PV_ARM_GCC_V4)) + +__inline int32 pvmp3_normalize(int32 x) +{ + register int32 y; + register int32 ra = x; + + + asm volatile( + "clz %0, %1\n\t" + "sub %0, %0, #1" + : "=&r*i"(y) + : "r"(ra)); + return (y); + +} + +#else + +#ifdef __cplusplus +extern "C" +{ +#endif + + int32 pvmp3_normalize(int32 x); + +#ifdef __cplusplus +} +#endif + +#endif + + + +#endif /* PV_NORMALIZE_H */ diff --git a/sources/pvmp3dec/src/pvmp3_poly_phase_synthesis.cpp b/sources/pvmp3dec/src/pvmp3_poly_phase_synthesis.cpp new file mode 100644 index 00000000..33c8e619 --- /dev/null +++ b/sources/pvmp3dec/src/pvmp3_poly_phase_synthesis.cpp @@ -0,0 +1,187 @@ +/* ------------------------------------------------------------------ + * Copyright (C) 1998-2009 PacketVideo + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either + * express or implied. + * See the License for the specific language governing permissions + * and limitations under the License. + * ------------------------------------------------------------------- + */ +/* +------------------------------------------------------------------------------ + + PacketVideo Corp. + MP3 Decoder Library + + Filename: pvmp3_poly_phase_synthesis.cpp + + + Date: 09/21/2007 + +------------------------------------------------------------------------------ + REVISION HISTORY + + + Description: + +------------------------------------------------------------------------------ + INPUT AND OUTPUT DEFINITIONS + + Input + tmp3dec_chan *pChVars, decoder state structure per channel + int32 numChannels, number of channels + e_equalization equalizerType, equalization mode + int16 *outPcm pointer to the PCM output data + + Output + int16 *outPcm pointer to the PCM output data + +------------------------------------------------------------------------------ + FUNCTION DESCRIPTION + + polyphase synthesis + Each time the subband samples for all 32 polyphase subbands of one + channel have been calculated, they can be applied to the synthesis + subband filter and 32 consecutive audio samples can be calculated + +------------------------------------------------------------------------------ + REQUIREMENTS + + +------------------------------------------------------------------------------ + REFERENCES + + [1] ISO MPEG Audio Subgroup Software Simulation Group (1996) + ISO 13818-3 MPEG-2 Audio Decoder - Lower Sampling Frequency Extension + +------------------------------------------------------------------------------ + PSEUDO-CODE + +------------------------------------------------------------------------------ +*/ + + +/*---------------------------------------------------------------------------- +; INCLUDES +----------------------------------------------------------------------------*/ + +#include "pvmp3_poly_phase_synthesis.h" +#include "pvmp3_polyphase_filter_window.h" +#include "pv_mp3dec_fxd_op.h" +#include "pvmp3_dec_defs.h" +#include "pvmp3_dct_16.h" +#include "pvmp3_equalizer.h" +#include "mp3_mem_funcs.h" + + +/*---------------------------------------------------------------------------- +; MACROS +; Define module specific macros here +----------------------------------------------------------------------------*/ + + +/*---------------------------------------------------------------------------- +; DEFINES +; Include all pre-processor statements here. Include conditional +; compile variables also. +----------------------------------------------------------------------------*/ + +/*---------------------------------------------------------------------------- +; LOCAL FUNCTION DEFINITIONS +; Function Prototype declaration +----------------------------------------------------------------------------*/ + +/*---------------------------------------------------------------------------- +; LOCAL STORE/BUFFER/POINTER DEFINITIONS +; Variable declaration - defined here and used outside this module +----------------------------------------------------------------------------*/ + +/*---------------------------------------------------------------------------- +; EXTERNAL FUNCTION REFERENCES +; Declare functions defined elsewhere and referenced in this module +----------------------------------------------------------------------------*/ + +/*---------------------------------------------------------------------------- +; EXTERNAL GLOBAL STORE/BUFFER/POINTER REFERENCES +; Declare variables used in this module but defined elsewhere +----------------------------------------------------------------------------*/ + + +/*---------------------------------------------------------------------------- +; FUNCTION CODE +----------------------------------------------------------------------------*/ + +void pvmp3_poly_phase_synthesis(tmp3dec_chan *pChVars, + int32 numChannels, + e_equalization equalizerType, + int16 *outPcm) +{ + /* + * Equalizer + */ + pvmp3_equalizer(pChVars->circ_buffer, + equalizerType, + pChVars->work_buf_int32); + + + int16 * ptr_out = outPcm; + + + for (int32 band = 0; band < FILTERBANK_BANDS; band += 2) + { + int32 *inData = &pChVars->circ_buffer[544 - (band<<5)]; + + /* + * DCT 32 + */ + + pvmp3_split(&inData[16]); + + pvmp3_dct_16(&inData[16], 0); + pvmp3_dct_16(inData, 1); // Even terms + + pvmp3_merge_in_place_N32(inData); + + pvmp3_polyphase_filter_window(inData, + ptr_out, + numChannels); + + inData -= SUBBANDS_NUMBER; + + /* + * DCT 32 + */ + + pvmp3_split(&inData[16]); + + pvmp3_dct_16(&inData[16], 0); + pvmp3_dct_16(inData, 1); // Even terms + + pvmp3_merge_in_place_N32(inData); + + pvmp3_polyphase_filter_window(inData, + ptr_out + (numChannels << 5), + numChannels); + + ptr_out += (numChannels << 6); + + inData -= SUBBANDS_NUMBER; + + }/* end band loop */ + + pv_memmove(&pChVars->circ_buffer[576], + pChVars->circ_buffer, + 480*sizeof(*pChVars->circ_buffer)); + +} + + + diff --git a/sources/pvmp3dec/src/pvmp3_poly_phase_synthesis.h b/sources/pvmp3dec/src/pvmp3_poly_phase_synthesis.h new file mode 100644 index 00000000..166cffd8 --- /dev/null +++ b/sources/pvmp3dec/src/pvmp3_poly_phase_synthesis.h @@ -0,0 +1,102 @@ +/* ------------------------------------------------------------------ + * Copyright (C) 1998-2009 PacketVideo + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either + * express or implied. + * See the License for the specific language governing permissions + * and limitations under the License. + * ------------------------------------------------------------------- + */ +/* +------------------------------------------------------------------------------ + PacketVideo Corp. + MP3 Decoder Library + + Filename: pvmp3_poly_phase_synthesis.h + + Date: 09/21/2007 + +------------------------------------------------------------------------------ + REVISION HISTORY + + Description: + +------------------------------------------------------------------------------ + INCLUDE DESCRIPTION + +------------------------------------------------------------------------------ +*/ + +/*---------------------------------------------------------------------------- +; CONTINUE ONLY IF NOT ALREADY DEFINED +----------------------------------------------------------------------------*/ +#ifndef PVMP3_POLY_PHASE_SYNTHESIS_H +#define PVMP3_POLY_PHASE_SYNTHESIS_H + +/*---------------------------------------------------------------------------- +; INCLUDES +----------------------------------------------------------------------------*/ + +#include "pvmp3_audio_type_defs.h" +#include "s_tmp3dec_chan.h" +#include "pvmp3decoder_api.h" + +/*---------------------------------------------------------------------------- +; MACROS +; Define module specific macros here +----------------------------------------------------------------------------*/ + +/*---------------------------------------------------------------------------- +; DEFINES +; Include all pre-processor statements here. +----------------------------------------------------------------------------*/ + +/*---------------------------------------------------------------------------- +; EXTERNAL VARIABLES REFERENCES +; Declare variables used in this module but defined elsewhere +----------------------------------------------------------------------------*/ + +/*---------------------------------------------------------------------------- +; SIMPLE TYPEDEF'S +----------------------------------------------------------------------------*/ + +/*---------------------------------------------------------------------------- +; ENUMERATED TYPEDEF'S +----------------------------------------------------------------------------*/ + +/*---------------------------------------------------------------------------- +; STRUCTURES TYPEDEF'S +----------------------------------------------------------------------------*/ + +/*---------------------------------------------------------------------------- +; GLOBAL FUNCTION DEFINITIONS +; Function Prototype declaration +----------------------------------------------------------------------------*/ + +#ifdef __cplusplus +extern "C" +{ +#endif + + void pvmp3_poly_phase_synthesis(tmp3dec_chan *pChVars, + int32 numChannels, + e_equalization equalizerType, + int16 *outPcm); + +#ifdef __cplusplus +} +#endif + +/*---------------------------------------------------------------------------- +; END +----------------------------------------------------------------------------*/ +#endif + diff --git a/sources/pvmp3dec/src/pvmp3_polyphase_filter_window.cpp b/sources/pvmp3dec/src/pvmp3_polyphase_filter_window.cpp new file mode 100644 index 00000000..83804370 --- /dev/null +++ b/sources/pvmp3dec/src/pvmp3_polyphase_filter_window.cpp @@ -0,0 +1,239 @@ +/* ------------------------------------------------------------------ + * Copyright (C) 1998-2009 PacketVideo + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either + * express or implied. + * See the License for the specific language governing permissions + * and limitations under the License. + * ------------------------------------------------------------------- + */ + +/* +------------------------------------------------------------------------------ + + PacketVideo Corp. + MP3 Decoder Library + + Filename: pvmp3_polyphase_filter_window.cpp + + Date: 09/21/2007 + +------------------------------------------------------------------------------ + REVISION HISTORY + + + Description: + +------------------------------------------------------------------------------ + INPUT AND OUTPUT DEFINITIONS + + +Input + int32 *synth_buffer, synthesis input buffer + int16 *outPcm, generated output ( 32 values) + int32 numChannels number of channels + Returns + + int16 *outPcm + +------------------------------------------------------------------------------ + FUNCTION DESCRIPTION + + apply polyphase filter window + Input 32 subband samples + Calculate 64 values +------------------------------------------------------------------------------ + REQUIREMENTS + + +------------------------------------------------------------------------------ + REFERENCES + + [1] ISO MPEG Audio Subgroup Software Simulation Group (1996) + ISO 13818-3 MPEG-2 Audio Decoder - Lower Sampling Frequency Extension + +------------------------------------------------------------------------------ + PSEUDO-CODE + +------------------------------------------------------------------------------ +*/ + +#if ( !defined(PV_ARM_GCC_V5) && !defined(PV_ARM_GCC_V4) && !defined(PV_ARM_V5) && !defined(PV_ARM_V4) ) +/*---------------------------------------------------------------------------- +; INCLUDES +----------------------------------------------------------------------------*/ + +#include "pvmp3_polyphase_filter_window.h" +#include "pv_mp3dec_fxd_op.h" +#include "pvmp3_dec_defs.h" +#include "pvmp3_tables.h" + +/*---------------------------------------------------------------------------- +; MACROS +; Define module1 specific macros here +----------------------------------------------------------------------------*/ + + + +/*---------------------------------------------------------------------------- +; DEFINES +; Include all pre-processor statements here. Include conditional +; compile variables also. +----------------------------------------------------------------------------*/ + +/*---------------------------------------------------------------------------- +; LOCAL FUNCTION DEFINITIONS +; Function Prototype declaration +----------------------------------------------------------------------------*/ + +/*---------------------------------------------------------------------------- +; LOCAL STORE/BUFFER/POINTER DEFINITIONS +; Variable declaration - defined here and used outside this module1 +----------------------------------------------------------------------------*/ +/*---------------------------------------------------------------------------- +; EXTERNAL FUNCTION REFERENCES +; Declare functions defined elsewhere and referenced in this module_x +----------------------------------------------------------------------------*/ + +/*---------------------------------------------------------------------------- +; EXTERNAL GLOBAL STORE/BUFFER/POINTER REFERENCES +; Declare variables used in this module_x but defined elsewhere +----------------------------------------------------------------------------*/ + +/*---------------------------------------------------------------------------- +; FUNCTION CODE +----------------------------------------------------------------------------*/ + +void pvmp3_polyphase_filter_window(int32 *synth_buffer, + int16 *outPcm, + int32 numChannels) +{ + int32 sum1; + int32 sum2; + const int32 *winPtr = pqmfSynthWin; + int32 i; + + + for (int16 j = 1; j < SUBBANDS_NUMBER / 2; j++) + { + sum1 = 0x00000020; + sum2 = 0x00000020; + + + for (i = (SUBBANDS_NUMBER >> 1); + i < HAN_SIZE + (SUBBANDS_NUMBER >> 1); + i += SUBBANDS_NUMBER << 4) + { + int32 *pt_1 = &synth_buffer[ i+j]; + int32 *pt_2 = &synth_buffer[ i-j]; + int32 temp1 = pt_1[ 0]; + int32 temp3 = pt_2[ SUBBANDS_NUMBER*15 ]; + int32 temp2 = pt_2[ SUBBANDS_NUMBER* 1 ]; + int32 temp4 = pt_1[ SUBBANDS_NUMBER*14 ]; + + sum1 = fxp_mac32_Q32(sum1, temp1, winPtr[ 0]); + sum2 = fxp_mac32_Q32(sum2, temp3, winPtr[ 0]); + sum2 = fxp_mac32_Q32(sum2, temp1, winPtr[ 1]); + sum1 = fxp_msb32_Q32(sum1, temp3, winPtr[ 1]); + sum1 = fxp_mac32_Q32(sum1, temp2, winPtr[ 2]); + sum2 = fxp_msb32_Q32(sum2, temp4, winPtr[ 2]); + sum2 = fxp_mac32_Q32(sum2, temp2, winPtr[ 3]); + sum1 = fxp_mac32_Q32(sum1, temp4, winPtr[ 3]); + + temp1 = pt_1[ SUBBANDS_NUMBER* 2]; + temp3 = pt_2[ SUBBANDS_NUMBER*13]; + temp2 = pt_2[ SUBBANDS_NUMBER* 3]; + temp4 = pt_1[ SUBBANDS_NUMBER*12]; + + sum1 = fxp_mac32_Q32(sum1, temp1, winPtr[ 4]); + sum2 = fxp_mac32_Q32(sum2, temp3, winPtr[ 4]); + sum2 = fxp_mac32_Q32(sum2, temp1, winPtr[ 5]); + sum1 = fxp_msb32_Q32(sum1, temp3, winPtr[ 5]); + sum1 = fxp_mac32_Q32(sum1, temp2, winPtr[ 6]); + sum2 = fxp_msb32_Q32(sum2, temp4, winPtr[ 6]); + sum2 = fxp_mac32_Q32(sum2, temp2, winPtr[ 7]); + sum1 = fxp_mac32_Q32(sum1, temp4, winPtr[ 7]); + + temp1 = pt_1[ SUBBANDS_NUMBER* 4 ]; + temp3 = pt_2[ SUBBANDS_NUMBER*11 ]; + temp2 = pt_2[ SUBBANDS_NUMBER* 5 ]; + temp4 = pt_1[ SUBBANDS_NUMBER*10 ]; + + sum1 = fxp_mac32_Q32(sum1, temp1, winPtr[ 8]); + sum2 = fxp_mac32_Q32(sum2, temp3, winPtr[ 8]); + sum2 = fxp_mac32_Q32(sum2, temp1, winPtr[ 9]); + sum1 = fxp_msb32_Q32(sum1, temp3, winPtr[ 9]); + sum1 = fxp_mac32_Q32(sum1, temp2, winPtr[10]); + sum2 = fxp_msb32_Q32(sum2, temp4, winPtr[10]); + sum2 = fxp_mac32_Q32(sum2, temp2, winPtr[11]); + sum1 = fxp_mac32_Q32(sum1, temp4, winPtr[11]); + + temp1 = pt_1[ SUBBANDS_NUMBER*6 ]; + temp3 = pt_2[ SUBBANDS_NUMBER*9 ]; + temp2 = pt_2[ SUBBANDS_NUMBER*7 ]; + temp4 = pt_1[ SUBBANDS_NUMBER*8 ]; + + sum1 = fxp_mac32_Q32(sum1, temp1, winPtr[12]); + sum2 = fxp_mac32_Q32(sum2, temp3, winPtr[12]); + sum2 = fxp_mac32_Q32(sum2, temp1, winPtr[13]); + sum1 = fxp_msb32_Q32(sum1, temp3, winPtr[13]); + sum1 = fxp_mac32_Q32(sum1, temp2, winPtr[14]); + sum2 = fxp_msb32_Q32(sum2, temp4, winPtr[14]); + sum2 = fxp_mac32_Q32(sum2, temp2, winPtr[15]); + sum1 = fxp_mac32_Q32(sum1, temp4, winPtr[15]); + + winPtr += 16; + } + + + + int32 k = j << (numChannels - 1); + outPcm[k] = saturate16(sum1 >> 6); + outPcm[(numChannels<<5) - k] = saturate16(sum2 >> 6); + } + + + + sum1 = 0x00000020; + sum2 = 0x00000020; + + + for (i = 16; i < HAN_SIZE + 16; i += (SUBBANDS_NUMBER << 2)) + { + int32 *pt_synth = &synth_buffer[i]; + int32 temp1 = pt_synth[ 0 ]; + int32 temp2 = pt_synth[ SUBBANDS_NUMBER ]; + int32 temp3 = pt_synth[ SUBBANDS_NUMBER/2]; + + sum1 = fxp_mac32_Q32(sum1, temp1, winPtr[0]) ; + sum1 = fxp_mac32_Q32(sum1, temp2, winPtr[1]) ; + sum2 = fxp_mac32_Q32(sum2, temp3, winPtr[2]) ; + + temp1 = pt_synth[ SUBBANDS_NUMBER<<1 ]; + temp2 = pt_synth[ 3*SUBBANDS_NUMBER ]; + temp3 = pt_synth[ SUBBANDS_NUMBER*5/2]; + + sum1 = fxp_mac32_Q32(sum1, temp1, winPtr[3]) ; + sum1 = fxp_mac32_Q32(sum1, temp2, winPtr[4]) ; + sum2 = fxp_mac32_Q32(sum2, temp3, winPtr[5]) ; + + winPtr += 6; + } + + + outPcm[0] = saturate16(sum1 >> 6); + outPcm[(SUBBANDS_NUMBER/2)<<(numChannels-1)] = saturate16(sum2 >> 6); + + +} + +#endif // If not assembly + diff --git a/sources/pvmp3dec/src/pvmp3_polyphase_filter_window.h b/sources/pvmp3dec/src/pvmp3_polyphase_filter_window.h new file mode 100644 index 00000000..b9eccad0 --- /dev/null +++ b/sources/pvmp3dec/src/pvmp3_polyphase_filter_window.h @@ -0,0 +1,138 @@ +/* ------------------------------------------------------------------ + * Copyright (C) 1998-2009 PacketVideo + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either + * express or implied. + * See the License for the specific language governing permissions + * and limitations under the License. + * ------------------------------------------------------------------- + */ +/* +------------------------------------------------------------------------------ + PacketVideo Corp. + MP3 Decoder Library + + Filename: pvmp3_decode_header.h + + Date: 09/21/2007 + +------------------------------------------------------------------------------ + REVISION HISTORY + + Description: + +------------------------------------------------------------------------------ + INCLUDE DESCRIPTION + +------------------------------------------------------------------------------ +*/ + +/*---------------------------------------------------------------------------- +; CONTINUE ONLY IF NOT ALREADY DEFINED +----------------------------------------------------------------------------*/ +#ifndef PVMP3_POLYPHASE_FILTER_WINDOW_H +#define PVMP3_POLYPHASE_FILTER_WINDOW_H + +/*---------------------------------------------------------------------------- +; INCLUDES +----------------------------------------------------------------------------*/ + +#include "pvmp3_audio_type_defs.h" +#include "s_tmp3dec_chan.h" + +/*---------------------------------------------------------------------------- +; MACROS +; Define module specific macros here +----------------------------------------------------------------------------*/ + +/*---------------------------------------------------------------------------- +; DEFINES +; Include all pre-processor statements here. +----------------------------------------------------------------------------*/ +#define MAX_16BITS_INT 0x7FFF + +/*---------------------------------------------------------------------------- +; EXTERNAL VARIABLES REFERENCES +; Declare variables used in this module but defined elsewhere +----------------------------------------------------------------------------*/ + +/*---------------------------------------------------------------------------- +; SIMPLE TYPEDEF'S +----------------------------------------------------------------------------*/ + +/*---------------------------------------------------------------------------- +; ENUMERATED TYPEDEF'S +----------------------------------------------------------------------------*/ + +/*---------------------------------------------------------------------------- +; STRUCTURES TYPEDEF'S +----------------------------------------------------------------------------*/ + +/*---------------------------------------------------------------------------- +; GLOBAL FUNCTION DEFINITIONS +; Function Prototype declaration +----------------------------------------------------------------------------*/ + +#ifdef __cplusplus +extern "C" +{ +#endif + + +#if (defined(PV_ARM_V5)||defined(PV_ARM_V4)) + + + __inline int16 saturate16(int32 sample) + { + int32 a; + int32 b = 31; + __asm + { + mov a, sample, asr#15 + teq a, sample, asr b + eorne sample, MAX_16BITS_INT, sample, asr#31 + } + return sample ; + } + +#else + + inline int16 saturate16(int32 sample) + { + + if ((sample >> 15) ^(sample >> 31)) + { + sample = MAX_16BITS_INT ^(sample >> 31); + } + return sample; + + } +#endif + + + void pvmp3_polyphase_filter_window(int32 *synth_buffer, + int16 *outPcm, + int32 numChannels); + + +#ifdef __cplusplus +} +#endif + +/*---------------------------------------------------------------------------- +; END +----------------------------------------------------------------------------*/ +#endif + + + + + diff --git a/sources/pvmp3dec/src/pvmp3_reorder.cpp b/sources/pvmp3dec/src/pvmp3_reorder.cpp new file mode 100644 index 00000000..286c6363 --- /dev/null +++ b/sources/pvmp3dec/src/pvmp3_reorder.cpp @@ -0,0 +1,197 @@ +/* ------------------------------------------------------------------ + * Copyright (C) 1998-2009 PacketVideo + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either + * express or implied. + * See the License for the specific language governing permissions + * and limitations under the License. + * ------------------------------------------------------------------- + */ +/* +------------------------------------------------------------------------------ + + PacketVideo Corp. + MP3 Decoder Library + + Filename: pvmp3_reorder.cpp + + + Date: 09/21/2007 + +------------------------------------------------------------------------------ + REVISION HISTORY + + + Description: + +------------------------------------------------------------------------------ + INPUT AND OUTPUT DEFINITIONS + + Inputs: + + int32 xr[ ], rescaled data + struct gr_info_s *gr_info, granule structure + mp3Header *info, mp3 header info + int32 Scratch_mem[198] for temporary usage + + Outputs: + + int32 xr[ ], reordered data + +------------------------------------------------------------------------------ + FUNCTION DESCRIPTION + + If short blocks are used (block_type[gr][ch]=='10'), the rescaled data + xr[scf_band][window][freq_line] shall be reordered in polyphase subband + order, xr[subband][window][freq_line], prior to the IMDCT operation. + +------------------------------------------------------------------------------ + REQUIREMENTS + + +------------------------------------------------------------------------------ + REFERENCES + [1] ISO MPEG Audio Subgroup Software Simulation Group (1996) + ISO 13818-3 MPEG-2 Audio Decoder - Lower Sampling Frequency Extension + + +------------------------------------------------------------------------------ + PSEUDO-CODE + +------------------------------------------------------------------------------ +*/ + + +/*---------------------------------------------------------------------------- +; INCLUDES +----------------------------------------------------------------------------*/ +#include "pv_mp3dec_fxd_op.h" +#include "pvmp3_dec_defs.h" +#include "pvmp3_reorder.h" +#include "pvmp3_tables.h" +#include "mp3_mem_funcs.h" + +/*---------------------------------------------------------------------------- +; MACROS +; Define module specific macros here +----------------------------------------------------------------------------*/ + + +/*---------------------------------------------------------------------------- +; DEFINES +; Include all pre-processor statements here. Include conditional +; compile variables also. +----------------------------------------------------------------------------*/ + + +/*---------------------------------------------------------------------------- +; LOCAL FUNCTION DEFINITIONS +; Function Prototype declaration +----------------------------------------------------------------------------*/ + +/*---------------------------------------------------------------------------- +; LOCAL STORE/BUFFER/POINTER DEFINITIONS +; Variable declaration - defined here and used outside this module +----------------------------------------------------------------------------*/ + +/*---------------------------------------------------------------------------- +; EXTERNAL FUNCTION REFERENCES +; Declare functions defined elsewhere and referenced in this module +----------------------------------------------------------------------------*/ + +/*---------------------------------------------------------------------------- +; EXTERNAL GLOBAL STORE/BUFFER/POINTER REFERENCES +; Declare variables used in this module but defined elsewhere +----------------------------------------------------------------------------*/ + +/*---------------------------------------------------------------------------- +; FUNCTION CODE +----------------------------------------------------------------------------*/ + +void pvmp3_reorder(int32 xr[SUBBANDS_NUMBER*FILTERBANK_BANDS], + granuleInfo *gr_info, + int32 *used_freq_lines, + mp3Header *info, + int32 Scratch_mem[198]) +{ + int32 sfreq = info->version_x + (info->version_x << 1); + sfreq += info->sampling_frequency; + + if (gr_info->window_switching_flag && (gr_info->block_type == 2)) + { + int32 sfb_lines; + int32 freq; + int32 src_line; + int32 sfb; + if (gr_info->mixed_block_flag) + { + /* REORDERING FOR REST SWITCHED SHORT */ + sfb = 3; /* no reorder for low 2 subbands */ + src_line = 36; + } + else + { /* pure short */ + sfb = 0; + src_line = 0; + } + int16 ct = src_line; + + for (; sfb < 13; sfb++) + { + if (*used_freq_lines > 3*mp3_sfBandIndex[sfreq].s[sfb+1]) + { + sfb_lines = mp3_sfBandIndex[sfreq].s[sfb+1] - mp3_sfBandIndex[sfreq].s[sfb]; + + for (freq = 0; freq < 3*sfb_lines; freq += 3) + { + int32 tmp1 = xr[src_line]; + int32 tmp2 = xr[src_line+(sfb_lines)]; + int32 tmp3 = xr[src_line+(sfb_lines<<1)]; + src_line++; + Scratch_mem[freq ] = tmp1; + Scratch_mem[freq+1] = tmp2; + Scratch_mem[freq+2] = tmp3; + } + src_line += (sfb_lines << 1); + + pv_memcpy(&xr[ct], Scratch_mem, sfb_lines*3*sizeof(int32)); + ct += sfb_lines + (sfb_lines << 1); + + } + else + { + + sfb_lines = mp3_sfBandIndex[sfreq].s[sfb+1] - mp3_sfBandIndex[sfreq].s[sfb]; + + for (freq = 0; freq < 3*sfb_lines; freq += 3) + { + int32 tmp1 = xr[src_line]; + int32 tmp2 = xr[src_line+(sfb_lines)]; + int32 tmp3 = xr[src_line+(sfb_lines<<1)]; + src_line++; + Scratch_mem[freq ] = tmp1; + Scratch_mem[freq+1] = tmp2; + Scratch_mem[freq+2] = tmp3; + } + + pv_memcpy(&xr[ct], Scratch_mem, sfb_lines*3*sizeof(int32)); + + *used_freq_lines = mp3_sfBandIndex[sfreq].s[sfb+1] * 3; + + sfb = 13; /* force out of the for-loop */ + } + } + } +} + + + + diff --git a/sources/pvmp3dec/src/pvmp3_reorder.h b/sources/pvmp3dec/src/pvmp3_reorder.h new file mode 100644 index 00000000..52489517 --- /dev/null +++ b/sources/pvmp3dec/src/pvmp3_reorder.h @@ -0,0 +1,103 @@ +/* ------------------------------------------------------------------ + * Copyright (C) 1998-2009 PacketVideo + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either + * express or implied. + * See the License for the specific language governing permissions + * and limitations under the License. + * ------------------------------------------------------------------- + */ +/* +------------------------------------------------------------------------------ + PacketVideo Corp. + MP3 Decoder Library + + Filename: pvmp3_reorder.h + + Date: 09/21/2007 + +------------------------------------------------------------------------------ + REVISION HISTORY + + Description: + +------------------------------------------------------------------------------ + INCLUDE DESCRIPTION + +------------------------------------------------------------------------------ +*/ + +/*---------------------------------------------------------------------------- +; CONTINUE ONLY IF NOT ALREADY DEFINED +----------------------------------------------------------------------------*/ +#ifndef PVMP3_REORDER_H +#define PVMP3_REORDER_H + +/*---------------------------------------------------------------------------- +; INCLUDES +----------------------------------------------------------------------------*/ + +#include "pvmp3_dec_defs.h" +#include "pvmp3_audio_type_defs.h" + +/*---------------------------------------------------------------------------- +; MACROS +; Define module specific macros here +----------------------------------------------------------------------------*/ + +/*---------------------------------------------------------------------------- +; DEFINES +; Include all pre-processor statements here. +----------------------------------------------------------------------------*/ + +/*---------------------------------------------------------------------------- +; EXTERNAL VARIABLES REFERENCES +; Declare variables used in this module but defined elsewhere +----------------------------------------------------------------------------*/ + +/*---------------------------------------------------------------------------- +; SIMPLE TYPEDEF'S +----------------------------------------------------------------------------*/ + +/*---------------------------------------------------------------------------- +; ENUMERATED TYPEDEF'S +----------------------------------------------------------------------------*/ + +/*---------------------------------------------------------------------------- +; STRUCTURES TYPEDEF'S +----------------------------------------------------------------------------*/ + +/*---------------------------------------------------------------------------- +; GLOBAL FUNCTION DEFINITIONS +; Function Prototype declaration +----------------------------------------------------------------------------*/ + +#ifdef __cplusplus +extern "C" +{ +#endif + + void pvmp3_reorder(int32 xr[SUBBANDS_NUMBER*FILTERBANK_BANDS], + granuleInfo *gr_info, + int32 *used_freq_lines, + mp3Header *info, + int32 Scratch_mem[198]); + +#ifdef __cplusplus +} +#endif + +/*---------------------------------------------------------------------------- +; END +----------------------------------------------------------------------------*/ +#endif + + diff --git a/sources/pvmp3dec/src/pvmp3_seek_synch.cpp b/sources/pvmp3dec/src/pvmp3_seek_synch.cpp new file mode 100644 index 00000000..82faafd2 --- /dev/null +++ b/sources/pvmp3dec/src/pvmp3_seek_synch.cpp @@ -0,0 +1,308 @@ +/* ------------------------------------------------------------------ + * Copyright (C) 1998-2009 PacketVideo + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either + * express or implied. + * See the License for the specific language governing permissions + * and limitations under the License. + * ------------------------------------------------------------------- + */ +/* +------------------------------------------------------------------------------ + + PacketVideo Corp. + MP3 Decoder Library + + Filename: pvmp3_seek_synch.cpp + + Functions: + pvmp3_seek_synch + pvmp3_header_sync + + + Date: 9/21/2007 + +------------------------------------------------------------------------------ + REVISION HISTORY + + + Description: + +------------------------------------------------------------------------------ + INPUT AND OUTPUT DEFINITIONS + +pvmp3_frame_synch + +Input + pExt = pointer to the external interface structure. See the file + pvmp3decoder_api.h for a description of each field. + Data type of pointer to a tPVMP3DecoderExternal + structure. + + pMem = void pointer to hide the internal implementation of the library + It is cast back to a tmp3dec_file structure. This structure + contains information that needs to persist between calls to + this function, or is too big to be placed on the stack, even + though the data is only needed during execution of this function + Data type void pointer, internally pointer to a tmp3dec_file + structure. + + +------------------------------------------------------------------------------ + FUNCTION DESCRIPTION + + search mp3 sync word, when found, it verifies, based on header parameters, + the locations of the very next sync word, + - if fails, then indicates a false sync, + - otherwise, it confirm synchronization of at least 2 consecutives frames + +------------------------------------------------------------------------------ + REQUIREMENTS + + +------------------------------------------------------------------------------ + REFERENCES + +------------------------------------------------------------------------------ + PSEUDO-CODE + +------------------------------------------------------------------------------ +*/ + + +/*---------------------------------------------------------------------------- +; INCLUDES +----------------------------------------------------------------------------*/ + +#include "pvmp3_seek_synch.h" +#include "pvmp3_getbits.h" +#include "s_tmp3dec_file.h" +#include "pv_mp3dec_fxd_op.h" +#include "pvmp3_tables.h" + + +/*---------------------------------------------------------------------------- +; MACROS +; Define module specific macros here +----------------------------------------------------------------------------*/ + + +/*---------------------------------------------------------------------------- +; DEFINES +; Include all pre-processor statements here. Include conditional +; compile variables also. +----------------------------------------------------------------------------*/ + +/*---------------------------------------------------------------------------- +; LOCAL FUNCTION DEFINITIONS +; Function Prototype declaration +----------------------------------------------------------------------------*/ + +/*---------------------------------------------------------------------------- +; LOCAL STORE/BUFFER/POINTER DEFINITIONS +; Variable declaration - defined here and used outside this module +----------------------------------------------------------------------------*/ + +/*---------------------------------------------------------------------------- +; EXTERNAL FUNCTION REFERENCES +; Declare functions defined elsewhere and referenced in this module +----------------------------------------------------------------------------*/ + +/*---------------------------------------------------------------------------- +; EXTERNAL GLOBAL STORE/BUFFER/POINTER REFERENCES +; Declare variables used in this module but defined elsewhere +----------------------------------------------------------------------------*/ + +/*---------------------------------------------------------------------------- +; FUNCTION CODE +----------------------------------------------------------------------------*/ + + + +ERROR_CODE pvmp3_frame_synch(tPVMP3DecoderExternal *pExt, + void *pMem) /* bit stream structure */ +{ + uint16 val; + ERROR_CODE err; + + tmp3dec_file *pVars; + + pVars = (tmp3dec_file *)pMem; + + pVars->inputStream.pBuffer = pExt->pInputBuffer; + pVars->inputStream.usedBits = (pExt->inputBufferUsedLength << 3); // in bits + + + pVars->inputStream.inputBufferCurrentLength = (pExt->inputBufferCurrentLength); // in bits + + err = pvmp3_header_sync(&pVars->inputStream); + + if (err == NO_DECODING_ERROR) + { + /* validate synchronization by checking two consecutive sync words */ + + // to avoid multiple bitstream accesses + uint32 temp = getNbits(&pVars->inputStream, 21); + // put back whole header + pVars->inputStream.usedBits -= 21 + SYNC_WORD_LNGTH; + + int32 version; + + switch (temp >> 19) /* 2 */ + { + case 0: + version = MPEG_2_5; + break; + case 2: + version = MPEG_2; + break; + case 3: + version = MPEG_1; + break; + default: + version = INVALID_VERSION; + break; + } + + int32 freq_index = (temp << 20) >> 30; + + if (version != INVALID_VERSION && (freq_index != 3)) + { + int32 numBytes = fxp_mul32_Q28(mp3_bitrate[version][(temp<<16)>>28] << 20, + inv_sfreq[freq_index]); + + numBytes >>= (20 - version); + + if (version != MPEG_1) + { + numBytes >>= 1; + } + if ((temp << 22) >> 31) + { + numBytes++; + } + + if (numBytes > (int32)pVars->inputStream.inputBufferCurrentLength) + { + /* frame should account for padding and 2 bytes to check sync */ + pExt->CurrentFrameLength = numBytes + 3; + return (SYNCH_LOST_ERROR); + } + else if (numBytes == (int32)pVars->inputStream.inputBufferCurrentLength) + { + /* No enough data to validate, but current frame appears to be correct ( EOF case) */ + pExt->inputBufferUsedLength = pVars->inputStream.usedBits >> 3; + return (NO_DECODING_ERROR); + } + else + { + + int32 offset = pVars->inputStream.usedBits + ((numBytes) << 3); + + offset >>= INBUF_ARRAY_INDEX_SHIFT; + uint8 *pElem = pVars->inputStream.pBuffer + offset; + uint16 tmp1 = *(pElem++); + uint16 tmp2 = *(pElem); + + val = (tmp1 << 3); + val |= (tmp2 >> 5); + } + } + else + { + val = 0; // force mismatch + } + + if (val == SYNC_WORD) + { + pExt->inputBufferUsedLength = pVars->inputStream.usedBits >> 3; /// !!!!! + err = NO_DECODING_ERROR; + } + else + { + pExt->inputBufferCurrentLength = 0; + err = SYNCH_LOST_ERROR; + } + } + else + { + pExt->inputBufferCurrentLength = 0; + } + + return(err); + +} + +/* +------------------------------------------------------------------------------ + REVISION HISTORY + + + Description: + +------------------------------------------------------------------------------ + INPUT AND OUTPUT DEFINITIONS + +pvmp3_header_sync + +Input + tmp3Bits *inputStream, structure holding the input stream parameters + +------------------------------------------------------------------------------ + FUNCTION DESCRIPTION + + search mp3 sync word + +------------------------------------------------------------------------------ + REQUIREMENTS + + +------------------------------------------------------------------------------ + REFERENCES + +------------------------------------------------------------------------------ + PSEUDO-CODE + +------------------------------------------------------------------------------ +*/ + +/*---------------------------------------------------------------------------- +; FUNCTION CODE +----------------------------------------------------------------------------*/ + + +ERROR_CODE pvmp3_header_sync(tmp3Bits *inputStream) +{ + uint16 val; + uint32 availableBits = (inputStream->inputBufferCurrentLength << 3); // in bits + + // byte aligment + inputStream->usedBits = (inputStream->usedBits + 7) & 8; + + val = (uint16)getUpTo17bits(inputStream, SYNC_WORD_LNGTH); + + while (((val&SYNC_WORD) != SYNC_WORD) && (inputStream->usedBits < availableBits)) + { + val <<= 8; + val |= getUpTo9bits(inputStream, 8); + } + + if ((val&SYNC_WORD) == SYNC_WORD && (inputStream->usedBits < availableBits)) + { + return(NO_DECODING_ERROR); + } + else + { + return(SYNCH_LOST_ERROR); + } + +} + diff --git a/sources/pvmp3dec/src/pvmp3_seek_synch.h b/sources/pvmp3dec/src/pvmp3_seek_synch.h new file mode 100644 index 00000000..8097cee6 --- /dev/null +++ b/sources/pvmp3dec/src/pvmp3_seek_synch.h @@ -0,0 +1,106 @@ +/* ------------------------------------------------------------------ + * Copyright (C) 1998-2009 PacketVideo + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either + * express or implied. + * See the License for the specific language governing permissions + * and limitations under the License. + * ------------------------------------------------------------------- + */ +/* +------------------------------------------------------------------------------ + PacketVideo Corp. + MP3 Decoder Library + + Filename: pvmp3_seek_synch.h + + Date: 09/21/2007 +------------------------------------------------------------------------------ + REVISION HISTORY + + + Description: + + +------------------------------------------------------------------------------ + INCLUDE DESCRIPTION + + +------------------------------------------------------------------------------ +*/ + +/*---------------------------------------------------------------------------- +; CONTINUE ONLY IF NOT ALREADY DEFINED +----------------------------------------------------------------------------*/ +#ifndef PVMP3_SEEK_SYNCH_H +#define PVMP3_SEEK_SYNCH_H + +/*---------------------------------------------------------------------------- +; INCLUDES +----------------------------------------------------------------------------*/ +#include "pvmp3_audio_type_defs.h" +#include "pvmp3decoder_api.h" +#include "s_tmp3dec_file.h" +#include "pvmp3_dec_defs.h" + +/*---------------------------------------------------------------------------- +; MACROS +; Define module specific macros here +----------------------------------------------------------------------------*/ + +/*---------------------------------------------------------------------------- +; DEFINES +; Include all pre-processor statements here. +----------------------------------------------------------------------------*/ + +/*---------------------------------------------------------------------------- +; EXTERNAL VARIABLES REFERENCES +; Declare variables used in this module but defined elsewhere +----------------------------------------------------------------------------*/ + +/*---------------------------------------------------------------------------- +; SIMPLE TYPEDEF'S +----------------------------------------------------------------------------*/ + +/*---------------------------------------------------------------------------- +; ENUMERATED TYPEDEF'S +----------------------------------------------------------------------------*/ + +/*---------------------------------------------------------------------------- +; STRUCTURES TYPEDEF'S +----------------------------------------------------------------------------*/ + +/*---------------------------------------------------------------------------- +; GLOBAL FUNCTION DEFINITIONS +; Function Prototype declaration +----------------------------------------------------------------------------*/ + +#ifdef __cplusplus +extern "C" +{ +#endif + + ERROR_CODE pvmp3_frame_synch(tPVMP3DecoderExternal *pExt, + void *pMem); + + ERROR_CODE pvmp3_header_sync(tmp3Bits *inputStream); + + +#ifdef __cplusplus +} +#endif + +/*---------------------------------------------------------------------------- +; END +----------------------------------------------------------------------------*/ +#endif /* DECODE_READ_INPUT_H */ + + diff --git a/sources/pvmp3dec/src/pvmp3_stereo_proc.cpp b/sources/pvmp3dec/src/pvmp3_stereo_proc.cpp new file mode 100644 index 00000000..d69a46db --- /dev/null +++ b/sources/pvmp3dec/src/pvmp3_stereo_proc.cpp @@ -0,0 +1,676 @@ +/* ------------------------------------------------------------------ + * Copyright (C) 1998-2009 PacketVideo + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either + * express or implied. + * See the License for the specific language governing permissions + * and limitations under the License. + * ------------------------------------------------------------------- + */ +/* +------------------------------------------------------------------------------ + + PacketVideo Corp. + MP3 Decoder Library + + Filename: pvmp3_stereo_proc.cpp + + Functions: + + pvmp3_st_mid_side + pvmp3_st_intensity + pvmp3_stereo_proc + +------------------------------------------------------------------------------ + +pvmp3_st_mid_side + + INPUT AND OUTPUT DEFINITIONS + +Input + + int32 xr[], input channel + int32 xl[], + int32 Start, Location of first element where stereo intensity is applied + int32 Number number of elements affected + + Returns + + int32 xl[], generated stereo channel + + +------------------------------------------------------------------------------ + +pvmp3_st_intensity + + INPUT AND OUTPUT DEFINITIONS + +Input + + int32 xr[], input channel + int32 xl[], + int32 is_pos, index to table is_ratio_factor[] + int32 Start, Location of first element where stereo intensity is applied + int32 Number number of elements affected + + Returns + + int32 xl[], generated stereo channel + + +------------------------------------------------------------------------------ + +pvmp3_stereo_proc + + INPUT AND OUTPUT DEFINITIONS + +Input + + int32 xr[], input channel + int32 xl[], + mp3ScaleFactors *scalefac, scale factors structure + struct gr_info_s *gr_info, granule structure + mp3Header *info mp3 header info + Returns + + int32 xl[], generated stereo channel + + +------------------------------------------------------------------------------ + FUNCTION DESCRIPTION + + stereo processing for mpeg1 layer III + After requantization, the reconstructed values are processed for ms_stereo + or intensity_stereo modes or both, before passing them to the synthesis + filterbank + + In ms_stereo mode the values of the normalized middle/side channels + M[l] and S[l] are transmitted instead of the left/right channel values + L[l] and R[l]. From here, L[l] and R[l] are reconstructed + + Intensity_stereo is done by specifying the magnitude (via the + scalefactors of the left channel) and a stereo position is_pos[sfb], + which is transmitted instead of scalefactors of the right channel. + The stereo position is used to derive the left and right channel signals + +------------------------------------------------------------------------------ + REQUIREMENTS + + +------------------------------------------------------------------------------ + REFERENCES + + [1] ISO MPEG Audio Subgroup Software Simulation Group (1996) + ISO 13818-3 MPEG-2 Audio Decoder - Lower Sampling Frequency Extension + +------------------------------------------------------------------------------ + PSEUDO-CODE + +------------------------------------------------------------------------------ +*/ + + +/*---------------------------------------------------------------------------- +; INCLUDES +----------------------------------------------------------------------------*/ + +#include "pvmp3_stereo_proc.h" +#include "pv_mp3dec_fxd_op.h" +#include "pvmp3_tables.h" + + +/*---------------------------------------------------------------------------- +; MACROS +; Define module specific macros here +----------------------------------------------------------------------------*/ + + +/*---------------------------------------------------------------------------- +; DEFINES +; Include all pre-processor statements here. Include conditional +; compile variables also. +----------------------------------------------------------------------------*/ +#define N31 31 + +#define Q31_fmt(a) (int32(double(0x7FFFFFFF)*a)) + +/*---------------------------------------------------------------------------- +; LOCAL FUNCTION DEFINITIONS +; Function Prototype declaration +----------------------------------------------------------------------------*/ + +/*---------------------------------------------------------------------------- +; LOCAL STORE/BUFFER/POINTER DEFINITIONS +; Variable declaration - defined here and used outside this module +----------------------------------------------------------------------------*/ +/* + * TmpFac= tan(is_pos * (PI /12)); + * + * TmpFac /= (1 + TmpFac); + * + */ + +const int32 is_ratio_factor[8] = {0, + Q31_fmt(0.21132486540519), Q31_fmt(0.36602540378444), Q31_fmt(0.50000000000000), + Q31_fmt(0.63397459621556), Q31_fmt(0.78867513459481), Q31_fmt(1.00000000000000), + 0 + }; + +/*---------------------------------------------------------------------------- +; EXTERNAL FUNCTION REFERENCES +; Declare functions defined elsewhere and referenced in this module +----------------------------------------------------------------------------*/ + +/*---------------------------------------------------------------------------- +; EXTERNAL GLOBAL STORE/BUFFER/POINTER REFERENCES +; Declare variables used in this module but defined elsewhere +----------------------------------------------------------------------------*/ + +/*---------------------------------------------------------------------------- +; FUNCTION CODE +----------------------------------------------------------------------------*/ + +void pvmp3_st_mid_side(int32 xr[SUBBANDS_NUMBER*FILTERBANK_BANDS], + int32 xl[SUBBANDS_NUMBER*FILTERBANK_BANDS], + int32 Start, + int32 Number) +{ + + int32 *pt_xr = &xr[Start]; + int32 *pt_xl = &xl[Start]; + + for (int32 i = Number >> 1; i != 0; i--) + { + int32 xxr = *(pt_xr) << 1; + int32 xxl = *(pt_xl) << 1; + *(pt_xr++) = fxp_mul32_Q32((xxr + xxl), Q31_fmt(0.70710678118655)); /* Sum */ + *(pt_xl++) = fxp_mul32_Q32((xxr - xxl), Q31_fmt(0.70710678118655)); /* Diff */ + xxr = *(pt_xr) << 1; + xxl = *(pt_xl) << 1; + *(pt_xr++) = fxp_mul32_Q32((xxr + xxl), Q31_fmt(0.70710678118655)); /* Sum */ + *(pt_xl++) = fxp_mul32_Q32((xxr - xxl), Q31_fmt(0.70710678118655)); /* Diff */ + } + + + if (Number&1) + { + int32 xxr = *(pt_xr) << 1; + int32 xxl = *(pt_xl) << 1; + *(pt_xr) = fxp_mul32_Q32((xxr + xxl), Q31_fmt(0.70710678118655)); /* Sum */ + *(pt_xl) = fxp_mul32_Q32((xxr - xxl), Q31_fmt(0.70710678118655)); /* Diff */ + } + +} + + +/*---------------------------------------------------------------------------- +; FUNCTION CODE +----------------------------------------------------------------------------*/ + +void pvmp3_st_intensity(int32 xr[SUBBANDS_NUMBER*FILTERBANK_BANDS], + int32 xl[SUBBANDS_NUMBER*FILTERBANK_BANDS], + int32 is_pos, + int32 Start, + int32 Number) +{ + + int32 TmpFac = is_ratio_factor[ is_pos & 7]; + + int32 *pt_xr = &xr[Start]; + int32 *pt_xl = &xl[Start]; + + for (int32 i = Number >> 1; i != 0; i--) + { + int32 tmp = fxp_mul32_Q32((*pt_xr) << 1, TmpFac); + *(pt_xl++) = (*pt_xr) - tmp; + *(pt_xr++) = tmp; + tmp = fxp_mul32_Q32((*pt_xr) << 1, TmpFac); + *(pt_xl++) = (*pt_xr) - tmp; + *(pt_xr++) = tmp; + } + + if (Number&1) + { + int32 tmp = fxp_mul32_Q32((*pt_xr) << 1, TmpFac); + *(pt_xl) = (*pt_xr) - tmp; + *(pt_xr) = tmp; + } + +} + +/*---------------------------------------------------------------------------- +; FUNCTION CODE +----------------------------------------------------------------------------*/ +void pvmp3_stereo_proc(int32 xr[SUBBANDS_NUMBER*FILTERBANK_BANDS], + int32 xl[SUBBANDS_NUMBER*FILTERBANK_BANDS], + mp3ScaleFactors *scalefac, + granuleInfo *gr_info, + int32 used_freq_lines, + mp3Header *info) +{ + + + int32 sb; + int32 ss; + int32 sfbNo; + int32 sfbStart; + + int32 sfb; + int32 sfbTemp; + int32 i; + int32 j; + + + int32 i_stereo = (info->mode == MPG_MD_JOINT_STEREO) && + (info->mode_ext & 0x1); + + int32 ms_stereo = (info->mode == MPG_MD_JOINT_STEREO) && + (info->mode_ext & 0x2); + + int32 sfreq = info->version_x + (info->version_x << 1); + sfreq += info->sampling_frequency; + + + + + if (i_stereo) + { + if (gr_info->window_switching_flag && (gr_info->block_type == 2)) + { + if (gr_info->mixed_block_flag) + { + /* + * mixed blocks processing + */ + i = 31; + ss = 17; + sb = 0; + while (i >= 0) + { + if (xl[(i*FILTERBANK_BANDS) + ss]) + { + sb = (i << 4) + (i << 1) + ss; + i = -1; + } + else + { + ss--; + if (ss < 0) + { + i--; + ss = 17; + } + } + } + + if (sb < 36) + { + /* + * mixed blocks processing: intensity bound inside long blocks + */ + /* 1. long blocks up to intensity border: not intensity */ + + if (mp3_sfBandIndex[sfreq].l[4] <= sb) + { + sfb = 4; + } + else + { + sfb = 0; + } + + while (mp3_sfBandIndex[sfreq].l[sfb] < sb) + { + sfb++; + } + + /* from that sfb on intensity stereo */ + sfbTemp = sfb; /* save for later use */ + + sfbStart = mp3_sfBandIndex[sfreq].l[sfb]; + + /* from 0 up to sfbStart do ms_stereo or normal stereo */ + + if (ms_stereo) + { + pvmp3_st_mid_side(xr, xl, 0, sfbStart); + } + + /* 2. long blocks from intensity border up to sfb band 8: intensity */ + /* calc. is_ratio */ + + + /* Start of intensity stereo of remaining sfc bands: */ + for (; sfbTemp < 8; sfbTemp++) + { + sfbStart = mp3_sfBandIndex[sfreq].l[sfbTemp]; /* = Start in 0 ... 575 */ + sfbNo = mp3_sfBandIndex[sfreq].l[sfbTemp+1] - mp3_sfBandIndex[sfreq].l[sfbTemp]; /* No of lines to process */ + + if (scalefac->l[sfbTemp] != 7) + { + pvmp3_st_intensity(xr, xl, scalefac->l[sfbTemp], sfbStart, sfbNo); + } + else if (ms_stereo) + { + pvmp3_st_mid_side(xr, xl, sfbStart, sfbNo); + } + + } /* for (; sfbTemp < 8; sfbTemp++) */ + + for (j = 0; j < 3; j++) + { + /* 3. short blocks from sfbcnt to last sfb do intensity stereo */ + for (sfbTemp = 3; sfbTemp < 13; sfbTemp++) + { + sfbNo = mp3_sfBandIndex[sfreq].s[sfbTemp+1] - mp3_sfBandIndex[sfreq].s[sfbTemp]; /* No of lines to process */ + sfbStart = 3 * mp3_sfBandIndex[sfreq].s[sfbTemp] + j * sfbNo; + + if (scalefac->s[j][sfbTemp] != 7) + { + pvmp3_st_intensity(xr, xl, scalefac->s[j][sfbTemp], sfbStart, sfbNo); + } + else if (ms_stereo) + { + pvmp3_st_mid_side(xr, xl, sfbStart, sfbNo); + } + + } /* for (; sfbTemp < 22; sfbTemp++) */ + } /* for (j = 0; j < 3; j++) */ + } + else /* else for (sb >= 36) */ + { + /* + * mixed blocks processing: intensity bound outside long blocks + */ + + + /* + * 2. short blocks from sfb band 3 up to intensity border: normal stereo, ms stereo and intensity + */ + for (j = 0; j < 3; j++) + { + int32 sfbcnt; + sfbcnt = -1; + + for (sfb = 12; sfb >= 3; sfb--) + { + int32 lines; + lines = mp3_sfBandIndex[sfreq].s[sfb+1] - mp3_sfBandIndex[sfreq].s[sfb]; + i = 3 * mp3_sfBandIndex[sfreq].s[sfb] + (j + 1) * lines - 1; + + while (lines > 0) + { + if (xl[i]) + { + sfbcnt = sfb; + sfb = -10; + lines = -10; + } + lines--; + i--; + } + } + + sfbcnt += 1; + if (sfbcnt < 3) + { + sfbcnt = 3; + } + + sfbTemp = sfbcnt; /* for later use */ + + + /* + * do normal stereo or MS stereo from sfb 3 to < sfbcnt: + */ + for (sb = 3; sb < sfbcnt; sb++) + { + sfbNo = mp3_sfBandIndex[sfreq].s[sb+1] - mp3_sfBandIndex[sfreq].s[sb]; + sfbStart = 3 * mp3_sfBandIndex[sfreq].s[sb] + j * sfbNo; + + if (ms_stereo) + { + pvmp3_st_mid_side(xr, xl, sfbStart, sfbNo); + } + + } + + /* from sfbcnt to last sfb do intensity stereo */ + for (; sfbTemp < 13; sfbTemp++) + { + sfbNo = mp3_sfBandIndex[sfreq].s[sfbTemp+1] - mp3_sfBandIndex[sfreq].s[sfbTemp]; /* No of lines to process */ + sfbStart = 3 * mp3_sfBandIndex[sfreq].s[sfbTemp] + j * sfbNo; + + if (scalefac->s[j][sfbTemp] != 7) + { + pvmp3_st_intensity(xr, xl, scalefac->s[j][sfbTemp], sfbStart, sfbNo); + } + else if (ms_stereo) + { + pvmp3_st_mid_side(xr, xl, sfbStart, sfbNo); + } + + } /* for (; sfbTemp < 22; sfbTemp++) */ + + } /* for (j = 0; j < 3; j++) */ + + /* 1. long blocks up to sfb band 8: not intensity */ + /* from 0 to sfb 8 ms_stereo or normal stereo */ + + sfbStart = mp3_sfBandIndex[sfreq].l[8]; + + if (ms_stereo) + { + pvmp3_st_mid_side(xr, xl, 0, sfbStart); + } + + } + } /* if (gr_info->mixed_block_flag) */ + else + { + /* + * short block processing + */ + for (j = 0; j < 3; j++) + { + int32 sfbcnt = -1; + + for (sfb = 12; sfb >= 0; sfb--) + { + int32 lines = mp3_sfBandIndex[sfreq].s[sfb+1] - mp3_sfBandIndex[sfreq].s[sfb]; + i = 3 * mp3_sfBandIndex[sfreq].s[sfb] + (j + 1) * lines - 1; + + while (lines > 0) + { + if (xl[i]) + { + sfbcnt = sfb; + sfb = -10; + lines = -10; + } + lines--; + i--; + } + } + + sfbcnt += 1; + sfbTemp = sfbcnt; /* for later use */ + + /* do normal stereo or MS stereo from 0 to sfbcnt */ + for (sb = 0; sb < sfbcnt; sb++) + { + sfbNo = mp3_sfBandIndex[sfreq].s[sb+1] - mp3_sfBandIndex[sfreq].s[sb]; + sfbStart = 3 * mp3_sfBandIndex[sfreq].s[sb] + j * sfbNo; + + if (ms_stereo) + { + pvmp3_st_mid_side(xr, xl, sfbStart, sfbNo); + } + } + + + /* from sfbcnt to last sfb do intensity stereo */ + for (; sfbTemp < 13; sfbTemp++) + { + sfbNo = mp3_sfBandIndex[sfreq].s[sfbTemp+1] - mp3_sfBandIndex[sfreq].s[sfbTemp]; /* No of lines to process */ + sfbStart = 3 * mp3_sfBandIndex[sfreq].s[sfbTemp] + j * sfbNo; + + if (scalefac->s[j][sfbTemp] != 7) + { + pvmp3_st_intensity(xr, xl, scalefac->s[j][sfbTemp], sfbStart, sfbNo); + } + else if (ms_stereo) + { + pvmp3_st_mid_side(xr, xl, sfbStart, sfbNo); + } + + } /* for (; sfbTemp < 22; sfbTemp++) */ + + } /* for (j = 0; j < 3; j++) */ + + } /* if( gr_info->mixed_block_flag) */ + + + + } /* if (gr_info->window_switching_flag && (gr_info->block_type == 2)) */ + else + { + /* + * long block processing + */ + i = 31; + ss = 17; + sb = 0; + + while (i >= 0) + { + if (xl[(i*FILTERBANK_BANDS) + ss] != 0) + { + sb = (i << 4) + (i << 1) + ss; + i = -2; + } + else + { + ss--; + if (ss < 0) + { + i--; + ss = 17; + } + } + } + + if (sb) + { + if (mp3_sfBandIndex[sfreq].l[14] <= sb) + { + sfb = 14; + } + else if (mp3_sfBandIndex[sfreq].l[7] <= sb) + { + sfb = 7; + } + else + { + sfb = 0; + } + + + while (mp3_sfBandIndex[sfreq].l[sfb] <= sb) + { + sfb++; + } + } + else + { + if (i == -1) + { + /* all xr[1][][] are 0: set IS bound sfb to 0 */ + sfb = 0; + } + else + { + /* xr[1][0][0] is unequal 0 and all others are 0: set IS bound sfb to 1 */ + sfb = 1; + } + } + + sfbTemp = sfb; /* save for later use */ + + + sfbStart = mp3_sfBandIndex[sfreq].l[sfb]; + + /* from 0 to sfbStart ms_stereo or normal stereo */ + if (ms_stereo) + { + pvmp3_st_mid_side(xr, xl, 0, sfbStart); + } + + /* now intensity stereo of the remaining sfb's: */ + for (; sfb < 21; sfb++) + { + sfbStart = mp3_sfBandIndex[sfreq].l[sfb]; + sfbNo = mp3_sfBandIndex[sfreq].l[sfb+1] - mp3_sfBandIndex[sfreq].l[sfb]; /* No of lines to process */ + + if (scalefac->l[sfb] != 7) + { + pvmp3_st_intensity(xr, xl, scalefac->l[sfb], sfbStart, sfbNo); + } + else if (ms_stereo) + { + pvmp3_st_mid_side(xr, xl, sfbStart, sfbNo); + } + + } /* for (; sfbTemp < 22; sfbTemp++) */ + + + + sfbStart = mp3_sfBandIndex[sfreq].l[21]; + sfbNo = mp3_sfBandIndex[sfreq].l[22] - mp3_sfBandIndex[sfreq].l[21]; /* No of lines to process */ + + if (scalefac->l[21] != 7) + { + if (sfbTemp < 21) + { + sfbTemp = scalefac->l[20]; + } + else + { + sfbTemp = 0; /* if scalefac[20] is not an intensity position, is_pos = 0 */ + } + + pvmp3_st_intensity(xr, xl, sfbTemp, sfbStart, sfbNo); + } + else if (ms_stereo) + { + pvmp3_st_mid_side(xr, xl, sfbStart, sfbNo); + } + + } /* if (gr_info->window_switching_flag && (gr_info->block_type == 2)) */ + + + } /* if (i_stereo) */ + else + { + /* + * normal or ms stereo processing + */ + if (ms_stereo) + { + + pvmp3_st_mid_side(xr, xl, 0, used_freq_lines); + + } + + } /* if (i_stereo) */ + +} + diff --git a/sources/pvmp3dec/src/pvmp3_stereo_proc.h b/sources/pvmp3dec/src/pvmp3_stereo_proc.h new file mode 100644 index 00000000..bfaf1a12 --- /dev/null +++ b/sources/pvmp3dec/src/pvmp3_stereo_proc.h @@ -0,0 +1,114 @@ +/* ------------------------------------------------------------------ + * Copyright (C) 1998-2009 PacketVideo + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either + * express or implied. + * See the License for the specific language governing permissions + * and limitations under the License. + * ------------------------------------------------------------------- + */ +/* +------------------------------------------------------------------------------ + PacketVideo Corp. + MP3 Decoder Library + + Filename: pvmp3_stereo_proc.h + + Date: 09/21/2007 + +------------------------------------------------------------------------------ + REVISION HISTORY + + Description: + +------------------------------------------------------------------------------ + INCLUDE DESCRIPTION + +------------------------------------------------------------------------------ +*/ + +/*---------------------------------------------------------------------------- +; CONTINUE ONLY IF NOT ALREADY DEFINED +----------------------------------------------------------------------------*/ +#ifndef PVMP3_STEREO_PROC_H +#define PVMP3_STEREO_PROC_H + +/*---------------------------------------------------------------------------- +; INCLUDES +----------------------------------------------------------------------------*/ + +#include "pvmp3_dec_defs.h" +#include "pvmp3_audio_type_defs.h" + +/*---------------------------------------------------------------------------- +; MACROS +; Define module specific macros here +----------------------------------------------------------------------------*/ + +/*---------------------------------------------------------------------------- +; DEFINES +; Include all pre-processor statements here. +----------------------------------------------------------------------------*/ + +/*---------------------------------------------------------------------------- +; EXTERNAL VARIABLES REFERENCES +; Declare variables used in this module but defined elsewhere +----------------------------------------------------------------------------*/ + +/*---------------------------------------------------------------------------- +; SIMPLE TYPEDEF'S +----------------------------------------------------------------------------*/ + +/*---------------------------------------------------------------------------- +; ENUMERATED TYPEDEF'S +----------------------------------------------------------------------------*/ + +/*---------------------------------------------------------------------------- +; STRUCTURES TYPEDEF'S +----------------------------------------------------------------------------*/ + +/*---------------------------------------------------------------------------- +; GLOBAL FUNCTION DEFINITIONS +; Function Prototype declaration +----------------------------------------------------------------------------*/ + +#ifdef __cplusplus +extern "C" +{ +#endif + + + void pvmp3_stereo_proc(int32 xr[SUBBANDS_NUMBER*FILTERBANK_BANDS], + int32 xl[SUBBANDS_NUMBER*FILTERBANK_BANDS], + mp3ScaleFactors *scalefac, + granuleInfo *gr_info, + int32 used_freq_lines, + mp3Header *info); + + void pvmp3_st_intensity(int32 xr[SUBBANDS_NUMBER*FILTERBANK_BANDS], + int32 xl[SUBBANDS_NUMBER*FILTERBANK_BANDS], + int32 is_pos, + int32 Start, + int32 Number); + + void pvmp3_st_mid_side(int32 xr[SUBBANDS_NUMBER*FILTERBANK_BANDS], + int32 xl[SUBBANDS_NUMBER*FILTERBANK_BANDS], + int32 Start, + int32 Number); +#ifdef __cplusplus +} +#endif + +/*---------------------------------------------------------------------------- +; END +----------------------------------------------------------------------------*/ +#endif + diff --git a/sources/pvmp3dec/src/pvmp3_tables.cpp b/sources/pvmp3dec/src/pvmp3_tables.cpp new file mode 100644 index 00000000..90e524a9 --- /dev/null +++ b/sources/pvmp3dec/src/pvmp3_tables.cpp @@ -0,0 +1,2934 @@ +/* ------------------------------------------------------------------ + * Copyright (C) 1998-2009 PacketVideo + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either + * express or implied. + * See the License for the specific language governing permissions + * and limitations under the License. + * ------------------------------------------------------------------- + */ +/* +------------------------------------------------------------------------------ + + PacketVideo Corp. + MP3 Decoder Library + + Filename: pvmp3_tables.cpp + + Date: 09/21/2007 + +------------------------------------------------------------------------------ + REVISION HISTORY + + + Description: + + +------------------------------------------------------------------------------ + + +------------------------------------------------------------------------------ + REFERENCES + + [1] ISO MPEG Audio Subgroup Software Simulation Group (1996) + ISO 13818-3 MPEG-2 Audio Decoder - Lower Sampling Frequency Extension + +------------------------------------------------------------------------------ +*/ + + +/*---------------------------------------------------------------------------- +; INCLUDES +----------------------------------------------------------------------------*/ + +#include "pvmp3_tables.h" + +/*---------------------------------------------------------------------------- +; MACROS +; Define module specific macros here +----------------------------------------------------------------------------*/ + + +/*---------------------------------------------------------------------------- +; DEFINES +; Include all pre-processor statements here. Include conditional +; compile variables also. +----------------------------------------------------------------------------*/ + +/*---------------------------------------------------------------------------- +; LOCAL FUNCTION DEFINITIONS +; Function Prototype declaration +----------------------------------------------------------------------------*/ + +/*---------------------------------------------------------------------------- +; LOCAL STORE/BUFFER/POINTER DEFINITIONS +; Variable declaration - defined here and used outside this module +----------------------------------------------------------------------------*/ + +const int32 mp3_s_freq[4][4] = +{ + {44100, 48000, 32000, 0}, + {22050, 24000, 16000, 0}, + {11025, 12000, 8000, 0} +}; // MPEG-2.5 + + +/* + * 144000./s_freq + */ +const int32 inv_sfreq[4] = +{ + Qfmt_28(3.26530612244898), + Qfmt_28(3.0), + Qfmt_28(4.5), + 0 +}; + + +/* 1: MPEG-1, 0: MPEG-2 LSF, 1995-07-11 shn */ + + +const int16 mp3_bitrate[3][15] = +{ + {0, 32, 40, 48, 56, 64, 80, 96, 112, 128, 160, 192, 224, 256, 320}, + {0, 8, 16, 24, 32, 40, 48, 56, 64, 80, 96, 112, 128, 144, 160}, + {0, 8, 16, 24, 32, 40, 48, 56, 64, 80, 96, 112, 128, 144, 160} +}; + + +const mp3_scaleFactorBandIndex mp3_sfBandIndex[9] = +{ + + /* MPEG 1 */ + + {{0, 4, 8, 12, 16, 20, 24, 30, 36, 44, 52, 62, 74, 90, 110, 134, 162, 196, 238, 288, 342, 418, 576}, + {0, 4, 8, 12, 16, 22, 30, 40, 52, 66, 84, 106, 136, 192}}, + {{0, 4, 8, 12, 16, 20, 24, 30, 36, 42, 50, 60, 72, 88, 106, 128, 156, 190, 230, 276, 330, 384, 576}, + {0, 4, 8, 12, 16, 22, 28, 38, 50, 64, 80, 100, 126, 192}}, + {{0, 4, 8, 12, 16, 20, 24, 30, 36, 44, 54, 66, 82, 102, 126, 156, 194, 240, 296, 364, 448, 550, 576}, + {0, 4, 8, 12, 16, 22, 30, 42, 58, 78, 104, 138, 180, 192}}, + + /* MPEG 2 - LSF */ + + {{0, 6, 12, 18, 24, 30, 36, 44, 54, 66, 80, 96, 116, 140, 168, 200, 238, 284, 336, 396, 464, 522, 576}, + {0, 4, 8, 12, 18, 24, 32, 42, 56, 74, 100, 132, 174, 192}}, + {{0, 6, 12, 18, 24, 30, 36, 44, 54, 66, 80, 96, 114, 136, 162, 194, 232, 278, 332, 394, 464, 540, 576}, + {0, 4, 8, 12, 18, 26, 36, 48, 62, 80, 104, 136, 180, 192}}, + {{0, 6, 12, 18, 24, 30, 36, 44, 54, 66, 80, 96, 116, 140, 168, 200, 238, 284, 336, 396, 464, 522, 576}, + {0, 4, 8, 12, 18, 26, 36, 48, 62, 80, 104, 134, 174, 192}}, + + /* MPEG 2.5 extension */ + + {{0, 6, 12, 18, 24, 30, 36, 44, 54, 66, 80, 96, 116, 140, 168, 200, 238, 284, 336, 396, 464, 522, 576}, + {0, 4, 8, 12, 18, 26, 36, 48, 62, 80, 104, 134, 174, 192}}, + {{0, 6, 12, 18, 24, 30, 36, 44, 54, 66, 80, 96, 116, 140, 168, 200, 238, 284, 336, 396, 464, 522, 576}, + {0, 4, 8, 12, 18, 26, 36, 48, 62, 80, 104, 134, 174, 192}}, + {{0, 12, 24, 36, 48, 60, 72, 88, 108, 132, 160, 192, 232, 280, 336, 400, 476, 566, 568, 570, 572, 574, 576}, + {0, 8, 16, 24, 36, 52, 72, 96, 124, 160, 162, 164, 166, 192}} + +}; + +#define INV_Q31( x) (int32)(0x7FFFFFFF/(float)x - 1.0f) + +const int32 mp3_shortwindBandWidths[9][13] = +{ + { INV_Q31(4), INV_Q31(4), INV_Q31(4), INV_Q31(4), INV_Q31(6), INV_Q31(8), INV_Q31(10), + INV_Q31(12), INV_Q31(14), INV_Q31(18), INV_Q31(22), INV_Q31(30), INV_Q31(56)}, + { INV_Q31(4), INV_Q31(4), INV_Q31(4), INV_Q31(4), INV_Q31(6), INV_Q31(6), INV_Q31(10), + INV_Q31(12), INV_Q31(14), INV_Q31(16), INV_Q31(20), INV_Q31(26), INV_Q31(66)}, + { INV_Q31(4), INV_Q31(4), INV_Q31(4), INV_Q31(4), INV_Q31(6), INV_Q31(8), INV_Q31(12), + INV_Q31(16), INV_Q31(20), INV_Q31(26), INV_Q31(34), INV_Q31(42), INV_Q31(12)}, + { INV_Q31(4), INV_Q31(4), INV_Q31(4), INV_Q31(6), INV_Q31(6), INV_Q31(8), INV_Q31(10), + INV_Q31(14), INV_Q31(18), INV_Q31(26), INV_Q31(32), INV_Q31(42), INV_Q31(18)}, + { INV_Q31(4), INV_Q31(4), INV_Q31(4), INV_Q31(6), INV_Q31(8), INV_Q31(10), INV_Q31(12), + INV_Q31(14), INV_Q31(18), INV_Q31(24), INV_Q31(32), INV_Q31(44), INV_Q31(12)}, + { INV_Q31(4), INV_Q31(4), INV_Q31(4), INV_Q31(6), INV_Q31(8), INV_Q31(10), INV_Q31(12), + INV_Q31(14), INV_Q31(18), INV_Q31(24), INV_Q31(30), INV_Q31(40), INV_Q31(18)}, + { INV_Q31(4), INV_Q31(4), INV_Q31(4), INV_Q31(6), INV_Q31(8), INV_Q31(10), INV_Q31(12), + INV_Q31(14), INV_Q31(18), INV_Q31(24), INV_Q31(30), INV_Q31(40), INV_Q31(18)}, + { INV_Q31(4), INV_Q31(4), INV_Q31(4), INV_Q31(6), INV_Q31(8), INV_Q31(10), INV_Q31(12), + INV_Q31(14), INV_Q31(18), INV_Q31(24), INV_Q31(30), INV_Q31(40), INV_Q31(18)}, + { INV_Q31(8), INV_Q31(8), INV_Q31(8), INV_Q31(12), INV_Q31(16), INV_Q31(20), INV_Q31(24), + INV_Q31(28), INV_Q31(36), INV_Q31(2), INV_Q31(2), INV_Q31(2), INV_Q31(26)} +}; + + +#define Q30_fmt(a) (int32((0x40000000)*a)) + +const int32 pqmfSynthWin[(HAN_SIZE/2) + 8] = +{ + Q30_fmt(-0.000015259F), Q30_fmt(0.000396729F), Q30_fmt(0.000473022F), Q30_fmt(0.003173828F), + Q30_fmt(0.003326416F), Q30_fmt(0.006118770F), Q30_fmt(0.007919310F), Q30_fmt(0.031478880F), + Q30_fmt(0.030517578F), Q30_fmt(0.073059080F), Q30_fmt(0.084182740F), Q30_fmt(0.108856200F), + Q30_fmt(0.090927124F), Q30_fmt(0.543823240F), Q30_fmt(0.600219727F), Q30_fmt(1.144287109F), + + Q30_fmt(-0.000015259F), Q30_fmt(0.000366211F), Q30_fmt(0.000534058F), Q30_fmt(0.003082275F), + Q30_fmt(0.003387451F), Q30_fmt(0.005294800F), Q30_fmt(0.008865360F), Q30_fmt(0.031738280F), + Q30_fmt(0.029785160F), Q30_fmt(0.067520140F), Q30_fmt(0.089706420F), Q30_fmt(0.116577150F), + Q30_fmt(0.080688480F), Q30_fmt(0.515609740F), Q30_fmt(0.628295900F), Q30_fmt(1.142211914F), + + Q30_fmt(-0.000015259F), Q30_fmt(0.000320435F), Q30_fmt(0.000579834F), Q30_fmt(0.002990723F), + Q30_fmt(0.003433228F), Q30_fmt(0.004486080F), Q30_fmt(0.009841920F), Q30_fmt(0.031845090F), + Q30_fmt(0.028884890F), Q30_fmt(0.061996460F), Q30_fmt(0.095169070F), Q30_fmt(0.123474120F), + Q30_fmt(0.069595340F), Q30_fmt(0.487472530F), Q30_fmt(0.656219480F), Q30_fmt(1.138763428F), + + Q30_fmt(-0.000015259F), Q30_fmt(0.000289917F), Q30_fmt(0.000625610F), Q30_fmt(0.002899170F), + Q30_fmt(0.003463745F), Q30_fmt(0.003723140F), Q30_fmt(0.010849000F), Q30_fmt(0.031814580F), + Q30_fmt(0.027801510F), Q30_fmt(0.056533810F), Q30_fmt(0.100540160F), Q30_fmt(0.129577640F), + Q30_fmt(0.057617190F), Q30_fmt(0.459472660F), Q30_fmt(0.683914180F), Q30_fmt(1.133926392F), + + Q30_fmt(-0.000015259F), Q30_fmt(0.000259399F), Q30_fmt(0.000686646F), Q30_fmt(0.002792358F), + Q30_fmt(0.003479004F), Q30_fmt(0.003005981F), Q30_fmt(0.011886600F), Q30_fmt(0.031661990F), + Q30_fmt(0.026535030F), Q30_fmt(0.051132200F), Q30_fmt(0.105819700F), Q30_fmt(0.134887700F), + Q30_fmt(0.044784550F), Q30_fmt(0.431655880F), Q30_fmt(0.711318970F), Q30_fmt(1.127746582F), + + Q30_fmt(-0.000015259F), Q30_fmt(0.000244141F), Q30_fmt(0.000747681F), Q30_fmt(0.002685547F), + Q30_fmt(0.003479004F), Q30_fmt(0.002334595F), Q30_fmt(0.012939450F), Q30_fmt(0.031387330F), + Q30_fmt(0.025085450F), Q30_fmt(0.045837400F), Q30_fmt(0.110946660F), Q30_fmt(0.139450070F), + Q30_fmt(0.031082153F), Q30_fmt(0.404083250F), Q30_fmt(0.738372800F), Q30_fmt(1.120223999F), + + Q30_fmt(-0.000030518F), Q30_fmt(0.000213623F), Q30_fmt(0.000808716F), Q30_fmt(0.002578735F), + Q30_fmt(0.003463745F), Q30_fmt(0.001693726F), Q30_fmt(0.014022830F), Q30_fmt(0.031005860F), + Q30_fmt(0.023422240F), Q30_fmt(0.040634160F), Q30_fmt(0.115921020F), Q30_fmt(0.143264770F), + Q30_fmt(0.016510010F), Q30_fmt(0.376800540F), Q30_fmt(0.765029907F), Q30_fmt(1.111373901F), + + Q30_fmt(-0.000030518F), Q30_fmt(0.000198364F), Q30_fmt(0.000885010F), Q30_fmt(0.002456665F), + Q30_fmt(0.003417969F), Q30_fmt(0.001098633F), Q30_fmt(0.015121460F), Q30_fmt(0.030532840F), + Q30_fmt(0.021575930F), Q30_fmt(0.035552980F), Q30_fmt(0.120697020F), Q30_fmt(0.146362300F), + Q30_fmt(0.001068120F), Q30_fmt(0.349868770F), Q30_fmt(0.791213990F), Q30_fmt(1.101211548F), + + Q30_fmt(-0.000030518F), Q30_fmt(0.000167847F), Q30_fmt(0.000961304F), Q30_fmt(0.002349854F), + Q30_fmt(0.003372192F), Q30_fmt(0.000549316F), Q30_fmt(0.016235350F), Q30_fmt(0.029937740F), + Q30_fmt(0.019531250F), Q30_fmt(0.030609130F), Q30_fmt(0.125259400F), Q30_fmt(0.148773190F), + Q30_fmt(-0.015228270F), Q30_fmt(0.323318480F), Q30_fmt(0.816864010F), Q30_fmt(1.089782715F), + + Q30_fmt(-0.000030518F), Q30_fmt(0.000152588F), Q30_fmt(0.001037598F), Q30_fmt(0.002243042F), + Q30_fmt(0.003280640F), Q30_fmt(0.000030518F), Q30_fmt(0.017349240F), Q30_fmt(0.029281620F), + Q30_fmt(0.017257690F), Q30_fmt(0.025817870F), Q30_fmt(0.129562380F), Q30_fmt(0.150497440F), + Q30_fmt(-0.032379150F), Q30_fmt(0.297210693F), Q30_fmt(0.841949463F), Q30_fmt(1.077117920F), + + Q30_fmt(-0.000045776F), Q30_fmt(0.000137329F), Q30_fmt(0.001113892F), Q30_fmt(0.002120972F), + Q30_fmt(0.003173828F), Q30_fmt(-0.000442505F), Q30_fmt(0.018463130F), Q30_fmt(0.028533940F), + Q30_fmt(0.014801030F), Q30_fmt(0.021179200F), Q30_fmt(0.133590700F), Q30_fmt(0.151596070F), + Q30_fmt(-0.050354000F), Q30_fmt(0.271591190F), Q30_fmt(0.866363530F), Q30_fmt(1.063217163F), + + Q30_fmt(-0.000045776F), Q30_fmt(0.000122070F), Q30_fmt(0.001205444F), Q30_fmt(0.002014160F), + Q30_fmt(0.003051758F), Q30_fmt(-0.000869751F), Q30_fmt(0.019577030F), Q30_fmt(0.027725220F), + Q30_fmt(0.012115480F), Q30_fmt(0.016708370F), Q30_fmt(0.137298580F), Q30_fmt(0.152069090F), + Q30_fmt(-0.069168090F), Q30_fmt(0.246505740F), Q30_fmt(0.890090940F), Q30_fmt(1.048156738F), + + Q30_fmt(-0.000061035F), Q30_fmt(0.000106812F), Q30_fmt(0.001296997F), Q30_fmt(0.001907349F), + Q30_fmt(0.002883911F), Q30_fmt(-0.001266479F), Q30_fmt(0.020690920F), Q30_fmt(0.026840210F), + Q30_fmt(0.009231570F), Q30_fmt(0.012420650F), Q30_fmt(0.140670780F), Q30_fmt(0.151962280F), + Q30_fmt(-0.088775630F), Q30_fmt(0.221984860F), Q30_fmt(0.913055420F), Q30_fmt(1.031936646F), + + Q30_fmt(-0.000061035F), Q30_fmt(0.000106812F), Q30_fmt(0.001388550F), Q30_fmt(0.001785278F), + Q30_fmt(0.002700806F), Q30_fmt(-0.001617432F), Q30_fmt(0.021789550F), Q30_fmt(0.025909420F), + Q30_fmt(0.006134030F), Q30_fmt(0.008316040F), Q30_fmt(0.143676760F), Q30_fmt(0.151306150F), + Q30_fmt(-0.109161380F), Q30_fmt(0.198059080F), Q30_fmt(0.935195920F), Q30_fmt(1.014617920F), + + Q30_fmt(-0.000076294F), Q30_fmt(0.000091553F), Q30_fmt(0.001480103F), Q30_fmt(0.001693726F), + Q30_fmt(0.002487183F), Q30_fmt(-0.001937866F), Q30_fmt(0.022857670F), Q30_fmt(0.024932860F), + Q30_fmt(0.002822880F), Q30_fmt(0.004394530F), Q30_fmt(0.146255490F), Q30_fmt(0.150115970F), + Q30_fmt(-0.130310060F), Q30_fmt(0.174789430F), Q30_fmt(0.956481930F), Q30_fmt(0.996246338F), + + Q30_fmt(0.000000000F), Q30_fmt(0.000442505F), Q30_fmt(0.001586910F), Q30_fmt(0.003250122F), + Q30_fmt(0.007003780F), Q30_fmt(0.023910525F), Q30_fmt(0.031082153F), Q30_fmt(0.078628545F), + Q30_fmt(0.148422240F), Q30_fmt(0.100311279F), Q30_fmt(0.572036740F), Q30_fmt(0.976852417F), + Q30_fmt(1.144989014F), Q30_fmt(-0.572036745F), Q30_fmt(-0.152206421F), Q30_fmt(0.100311279F), + + Q30_fmt(-0.078628540F), Q30_fmt(-0.000686646F), Q30_fmt(0.031082153F), Q30_fmt(-0.007003785F), + Q30_fmt(0.002227783F), Q30_fmt(0.003250122F), Q30_fmt(-0.000442500F), Q30_fmt(-0.000076294F), +}; + + + + + +const uint16 huffTable_1[8] = +{ + 0x1103, 0x0103, 0x1002, 0x1002, + 0x0001, 0x0001, 0x0001, 0x0001 +}; + +const uint16 huffTable_2[15] = +{ + 0x1103, 0x0103, 0x1003, 0x0001, + 0x0001, 0x0001, 0x0001, 0x2206, + 0x0206, 0x1205, 0x1205, 0x2105, + 0x2105, 0x2005, 0x2005 +}; + +const uint16 huffTable_3[15] = +{ + + 0x1003, 0x1102, 0x1102, 0x0102, + 0x0102, 0x0002, 0x0002, 0x2206, + 0x0206, 0x1205, 0x1205, 0x2105, + 0x2105, 0x2005, 0x2005 +}; + +const uint16 huffTable_5[25] = +{ + + 0x1103, 0x0103, 0x1003, 0x0001, + 0x0001, 0x0001, 0x0001, 0x3106, + 0x3106, 0x1307, 0x0307, 0x3007, + 0x2207, 0x1206, 0x1206, 0x2106, + 0x2106, 0x0206, 0x0206, 0x2006, + 0x2006, 0x3308, 0x2308, 0x3207, + 0x3207 +}; + + +const uint16 huffTable_6[26] = +{ + + 0x1204, 0x2104, 0x2004, 0x0103, + 0x0103, 0x1102, 0x1102, 0x1102, + 0x1102, 0x1003, 0x1003, 0x0003, + 0x0003, 0x2306, 0x3206, 0x3006, + 0x1305, 0x1305, 0x3105, 0x3105, + 0x2205, 0x2205, 0x0205, 0x0205, + 0x3307, 0x0307 +}; + + + +const uint16 huffTable_7[73] = +{ + 0x0103, + 0x1003, + 0x0001, + 0x0001, + 0x0001, + 0x0001, + 0x1206, + 0x2105, + 0x2105, + 0x0206, + 0x2006, + 0x1104, + 0x1104, + 0x1104, + 0x1104, + 0x3509, + 0x4409, + 0x2509, + 0x5209, + 0x1508, + 0x1508, + 0x5108, + 0x5108, + 0x0509, + 0x3409, + 0x5008, + 0x5008, + 0x4309, + 0x3309, + 0x2408, + 0x2408, + 0x4208, + 0x4208, + 0x1407, + 0x1407, + 0x1407, + 0x1407, + 0x4107, + 0x4107, + 0x4107, + 0x4107, + 0x4007, + 0x4007, + 0x4007, + 0x4007, + 0x0408, + 0x0408, + 0x2308, + 0x2308, + 0x3208, + 0x3208, + 0x0308, + 0x0308, + 0x1307, + 0x1307, + 0x1307, + 0x1307, + 0x3107, + 0x3107, + 0x3107, + 0x3107, + 0x3007, + 0x3007, + 0x3007, + 0x3007, + 0x2207, + 0x2207, + 0x2207, + 0x2207, + 0x550a, + 0x450a, + 0x540a, + 0x530a +}; + +const uint16 huffTable_8[66] = +{ + 0x1204, + 0x2104, + 0x1102, + 0x1102, + 0x1102, + 0x1102, + 0x0103, + 0x0103, + 0x1003, + 0x1003, + 0x0002, + 0x0002, + 0x0002, + 0x0002, + 0x2206, + 0x0206, + 0x2006, + 0x2509, + 0x5209, + 0x0509, + 0x1508, + 0x1508, + 0x5108, + 0x5108, + 0x3409, + 0x4309, + 0x5009, + 0x3309, + 0x2408, + 0x2408, + 0x4208, + 0x4208, + 0x1408, + 0x1408, + 0x4107, + 0x4107, + 0x4107, + 0x4107, + 0x0408, + 0x0408, + 0x4008, + 0x4008, + 0x2308, + 0x2308, + 0x3208, + 0x3208, + 0x1308, + 0x1308, + 0x3108, + 0x3108, + 0x0308, + 0x0308, + 0x3008, + 0x3008, + 0x550b, + 0x540b, + 0x450a, + 0x450a, + 0x5309, + 0x5309, + 0x5309, + 0x5309, + 0x350a, + 0x350a, + 0x440a, + 0x440a + +}; + + +const uint16 huffTable_9[53] = +{ + 0x1204, + 0x2104, + 0x2004, + 0x1103, + 0x1103, + 0x0103, + 0x0103, + 0x1003, + 0x1003, + 0x0003, + 0x0003, + 0x1406, + 0x4106, + 0x2306, + 0x3206, + 0x1305, + 0x1305, + 0x3105, + 0x3105, + 0x0306, + 0x3006, + 0x2205, + 0x2205, + 0x0205, + 0x0205, + 0x4408, + 0x2508, + 0x5208, + 0x1508, + 0x5107, + 0x5107, + 0x3407, + 0x3407, + 0x4307, + 0x4307, + 0x5008, + 0x0408, + 0x2407, + 0x2407, + 0x4207, + 0x4207, + 0x3307, + 0x3307, + 0x4007, + 0x4007, + 0x5509, + 0x4509, + 0x3508, + 0x3508, + 0x5308, + 0x5308, + 0x5409, + 0x0509 + +}; + + +const uint16 huffTable_10[96] = +{ + 0x0001, + 0x1104, + 0x0103, + 0x0103, + 0x1003, + 0x1003, + 0x1206, + 0x2106, + 0x0206, + 0x2006, + 0x1408, + 0x4108, + 0x4008, + 0x2308, + 0x3208, + 0x0308, + 0x1307, + 0x1307, + 0x3107, + 0x3107, + 0x3007, + 0x3007, + 0x2207, + 0x2207, + 0x1608, + 0x1608, + 0x6108, + 0x6108, + 0x6008, + 0x6008, + 0x0509, + 0x5009, + 0x2409, + 0x4209, + 0x3309, + 0x0409, + 0x2709, + 0x2709, + 0x7209, + 0x7209, + 0x640a, + 0x070a, + 0x7009, + 0x7009, + 0x6209, + 0x6209, + 0x450a, + 0x350a, + 0x0609, + 0x0609, + 0x530a, + 0x440a, + 0x1708, + 0x1708, + 0x1708, + 0x1708, + 0x7108, + 0x7108, + 0x7108, + 0x7108, + 0x3609, + 0x3609, + 0x2609, + 0x2609, + 0x250a, + 0x520a, + 0x1509, + 0x1509, + 0x5109, + 0x5109, + 0x340a, + 0x430a, + 0x770b, + 0x670b, + 0x760b, + 0x570b, + 0x750b, + 0x660b, + 0x470a, + 0x470a, + 0x740a, + 0x740a, + 0x560a, + 0x560a, + 0x650a, + 0x650a, + 0x370a, + 0x370a, + 0x730a, + 0x730a, + 0x460a, + 0x460a, + 0x550b, + 0x540b, + 0x630a, + 0x630a +}; + + +const uint16 huffTable_11[116] = +{ + 0x1103, + 0x0103, + 0x1003, + 0x0002, + 0x0002, + 0x2105, + 0x1204, /* 0100 */ + 0x1204, /* 010 */ + 0x0205, /* 01010 */ + 0x2005, /* 01011 */ + 0x1408, /* 10 */ + 0x4108, /* 00 */ + 0x0408, /* 0 0 */ + 0x4008, /* 0 1 */ + 0x2307, /* 0 */ + 0x2307, /* */ + 0x3207, /* 1 */ + 0x3207, /* */ + 0x1306, /* 010 */ + 0x1306, /* 01 */ + 0x1306, /* 01 */ + 0x1306, /* 01 */ + 0x3106, /* 011 */ + 0x3106, /* 01 */ + 0x3106, /* 01 */ + 0x3106, /* 01 */ + 0x0307, /* 1000 */ + 0x0307, /* 100 */ + 0x3007, /* 1 */ + 0x3007, /* 100 */ + 0x2206, /* 101 */ + 0x2206, /* 10 */ + 0x2206, /* 10 */ + 0x2206, /* 10 */ + 0x2708, + 0x2708, /* 000 0 */ + 0x7208, /* 000 10 */ + 0x7208, /* 000 1 */ + 0x6409, /* 000 110 */ + 0x0709, + 0x7107, + 0x7107, + 0x7107, /* 00 0 */ + 0x7107, /* 00 0 */ + 0x1708, + 0x1708, /* 00 01 */ + 0x7008, + 0x7008, + 0x3608, + 0x3608, /* 00 10 */ + 0x6308, /* 00 101 */ + 0x6308, /* 00 10 */ + 0x6008, + 0x6008, /* 00 11 */ + 0x4409, + 0x2509, + 0x5209, /* 0 */ + 0x0509, /* 0 00 */ + 0x1508, /* 0 0 */ + 0x1508, /* 0 000 */ + 0x6207, /* 0 */ + 0x6207, /* 0 00 */ + 0x6207, /* 0 00 */ + 0x6207, /* 0 00 */ + 0x2608, + 0x2608, /* 0 010 */ + 0x0608, + 0x0608, + 0x1607, + 0x1607, + 0x1607, + 0x1607, + 0x6107, + 0x6107, + 0x6107, + 0x6107, + 0x5108, + 0x5108, + 0x3408, + 0x3408, + 0x5008, + 0x5008, + 0x4309, + 0x3309, + 0x2408, + 0x2408, /* 0 111 */ + 0x4208, /* 0 1111 */ + 0x4208, /* 0 111 */ + 0x560a, + 0x650a, + 0x3709, + 0x3709, + 0x7309, + 0x7309, + 0x4609, + 0x4609, + 0x450a, + 0x540a, /* 000 0 */ + 0x350a, /* 000 0 */ + 0x530a, /* 000 1 */ + 0x770a, + 0x770a, + 0x670a, + 0x670a, + 0x760a, /* 0 */ + 0x760a, /* */ + 0x750a, /* 1 */ + 0x750a, /* */ + 0x660a, /* 00 */ + 0x660a, /* 0 */ + 0x470a, /* 01 */ + 0x470a, /* 0 */ + 0x740a, /* 10 */ + 0x740a, /* 1 */ + 0x570b, /* 110 */ + 0x550b /* 111 */ + +}; + +const uint16 huffTable_12[134] = +{ + + 0x1103, /* 101 */ + 0x0103, /* 110 */ + 0x1003, /* 111 */ + 0x1204, + 0x1204, /* 011 */ + 0x2104, /* 0111 */ + 0x2104, /* 011 */ + 0x0205, /* 10000 */ + 0x2005, /* 10 */ + 0x0004, /* 1 */ + 0x0004, /* 100 */ + 0x3006, + 0x1305, /* 01 */ + 0x1305, /* 0100 */ + 0x3105, + 0x3105, + 0x2205, + 0x2205, /* 0101 */ + 0x1507, + 0x1507, /* 000 */ + 0x5107, /* 0 */ + 0x5107, /* 000 */ + 0x3407, /* 0 */ + 0x3407, /* */ + 0x4307, /* 1 */ + 0x4307, /* */ + 0x5008, + 0x0408, + 0x2407, + 0x2407, /* 010 */ + 0x4207, + 0x4207, + 0x1407, /* 0111 */ + 0x1407, /* 011 */ + 0x3306, + 0x3306, + 0x3306, + 0x3306, + 0x4106, + 0x4106, + 0x4106, + 0x4106, + 0x2306, + 0x2306, + 0x2306, + 0x2306, + 0x3206, + 0x3206, + 0x3206, + 0x3206, + 0x4007, + 0x4007, + 0x0307, + 0x0307, /* 010000 */ + 0x7208, + 0x7208, /* 00 00 */ + 0x4608, /* 00 */ + 0x4608, /* 00 00 */ + 0x6408, + 0x6408, /* 00 01 */ + 0x1708, /* 00 011 */ + 0x1708, + 0x7108, /* 00 100 */ + 0x7108, + 0x0709, + 0x7009, + 0x3608, + 0x3608, /* 00 11 */ + 0x6308, + 0x6308, + 0x4508, + 0x4508, + 0x5408, /* 0 0 */ + 0x5408, /* 0 000 */ + 0x4408, /* 0 0 */ + 0x4408, /* 0 */ + 0x0609, /* 0 10 */ + 0x0509, /* 0 11 */ + 0x2607, + 0x2607, + 0x2607, + 0x2607, + 0x6207, + 0x6207, + 0x6207, + 0x6207, + 0x6107, + 0x6107, + 0x6107, + 0x6107, + 0x1608, /* 0 1010 */ + 0x1608, /* 0 101 */ + 0x6008, /* 0 1011 */ + 0x6008, /* 0 101 */ + 0x3508, + 0x3508, /* 0 110 */ + 0x5308, /* 0 1101 */ + 0x5308, /* 0 110 */ + 0x2508, + 0x2508, /* 0 111 */ + 0x5208, /* 0 1111 */ + 0x5208, /* 0 111 */ + 0x770a, + 0x670a, + 0x7609, /* */ + 0x7609, + 0x5709, /* 0 */ + 0x5709, /* */ + 0x7509, /* 1 */ + 0x7509, /* */ + 0x6609, + 0x6609, + 0x4709, /* 0000 01 */ + 0x4709, /* 0000 0 */ + 0x7409, + 0x7409, /* 0000 1 */ + 0x6509, + 0x6509, /* 0000 1 */ + 0x5608, + 0x5608, + 0x5608, + 0x5608, + 0x3708, + 0x3708, + 0x3708, + 0x3708, + 0x7309, /* 000 100 */ + 0x7309, /* 000 10 */ + 0x5509, + 0x5509, /* 000 10 */ + 0x2708, + 0x2708, + 0x2708, + 0x2708, +}; + + + +const uint16 huffTable_13[491] = +{ + 0x0001, + 0x1104, + 0x0104, + 0x1003, + 0x1003, + 0x4107, + 0x4107, + 0x0408, + 0x4008, + 0x2308, + 0x3208, + 0x1307, + 0x1307, + 0x3107, + 0x3107, + 0x0307, + 0x0307, + 0x3007, + 0x3007, + 0x2207, + 0x2207, + 0x1206, + 0x1206, + 0x1206, + 0x1206, + 0x2106, + 0x2106, + 0x2106, + 0x2106, + 0x0206, + 0x0206, + 0x0206, + 0x0206, + 0x2006, + 0x2006, + 0x2006, + 0x2006, + 0x370a, + 0x270a, /* 0 000 */ + 0x1709, /* 0 00 */ + 0x1709, + 0x7109, + 0x7109, /* 0 0 */ + 0x550a, + 0x070a, /* 0 0 11 */ + 0x700a, + 0x360a, /* 0 */ + 0x630a, + 0x450a, /* 0 011 */ + 0x540a, + 0x260a, /* 0 101 */ + 0x620a, + 0x350a, /* 0 111 */ + 0x8108, + 0x8108, /* 0 010 */ + 0x8108, + 0x8108, /* 0 010 */ + 0x0809, + 0x0809, /* 0 0101 */ + 0x8009, + 0x8009, /* 0 0101 */ + 0x1609, + 0x1609, /* 0 0110 */ + 0x6109, + 0x6109, /* 0 0110 */ + 0x0609, + 0x0609, /* 0 0111 */ + 0x6009, + 0x6009, /* 0 0111 */ + 0x530a, + 0x440a, /* 0 100 */ + 0x2509, + 0x2509, /* 0 1000 */ + 0x5209, + 0x5209, /* 0 1 */ + 0x0509, + 0x0509, /* 0 1 */ + 0x1508, + 0x1508, /* 0 101 */ + 0x1508, + 0x1508, /* 0 101 */ + 0x5108, + 0x5108, /* 0 101 */ + 0x5108, + 0x5108, /* 0 101 */ + 0x3409, + 0x3409, /* 0 1100 */ + 0x4309, + 0x4309, /* 0 1100 */ + 0x5009, + 0x5009, /* 0 1101 */ + 0x2409, + 0x2409, /* 0 1101 */ + 0x4209, + 0x4209, /* 0 1110 */ + 0x3309, + 0x3309, /* 0 1110 */ + 0x1408, + 0x1408, /* 0 111 */ + 0x1408, + 0x1408, /* 0 111 */ + 0x1a0a, + 0x1a0a, + 0xa10a, /* 00 00 */ + 0xa10a, + 0x0a0b, + 0x680b, + 0xa00a, + 0xa00a, + 0x860b, + 0x490b, + 0x930a, + 0x930a, + 0x390b, + 0x580b, + 0x850b, + 0x670b, + 0x290a, + 0x290a, + 0x920a, + 0x920a, + 0x570b, + 0x750b, + 0x380a, + 0x380a, + 0x830a, + 0x830a, + 0x660b, + 0x470b, + 0x740b, + 0x560b, + 0x650b, + 0x730b, + 0x1909, + 0x1909, + 0x1909, + 0x1909, + 0x9109, + 0x9109, + 0x9109, + 0x9109, + 0x090a, /* 00 10100 */ + 0x090a, + 0x900a, /* 00 10101 */ + 0x900a, + 0x480a, /* 00 10110 */ + 0x480a, + 0x840a, /* 00 10111 */ + 0x840a, + 0x720a, /* 00 11000 */ + 0x720a, + 0x460b, /* 00 11 0 */ + 0x640b, + 0x2809, + 0x2809, + 0x2809, + 0x2809, + 0x8209, + 0x8209, + 0x8209, + 0x8209, + 0x1809, + 0x1809, + 0x1809, + 0x1809, + 0xc10b, + 0xc10b, /* 000 0000 */ + 0x980c, + 0x0c0c, /* 000 00 1 */ + 0xc00b, + 0xc00b, /* 000 0 */ + 0xb40c, + 0x6a0c, /* 000 0 11 */ + 0xa60c, + 0x790c, /* 000 */ + 0x3b0b, + 0x3b0b, /* 000 0 */ + 0xb30b, + 0xb30b, /* 000 1 */ + 0x880c, + 0x5a0c, /* 000 111 */ + 0x2b0b, + 0x2b0b, /* 000 0100 */ + 0xa50c, + 0x690c, /* 000 01 1 */ + 0xa40b, + 0xa40b, /* 000 0101 */ + 0x780c, + 0x870c, + 0x940b, + 0x940b, /* 000 0110 */ + 0x770c, + 0x760c, /* 000 011011 */ + 0xb20a, + 0xb20a, /* 000 011 */ + 0xb20a, + 0xb20a, /* 000 011 */ + 0x1b0a, + 0x1b0a, /* 000 100 */ + 0x1b0a, + 0x1b0a, /* 000 100 */ + 0xb10a, + 0xb10a, + 0xb10a, /* 000 100 */ + 0xb10a, /* 000 100 */ + 0x0b0b, /* 000 10100 */ + 0x0b0b, /* 000 1010 */ + 0xb00b, + 0xb00b, /* 000 1010 */ + 0x960b, /* 000 10110 */ + 0x960b, /* 000 1011 */ + 0x4a0b, + 0x4a0b, /* 000 1011 */ + 0x3a0b, /* 000 11000 */ + 0x3a0b, /* 000 1100 */ + 0xa30b, /* 000 11 */ + 0xa30b, /* 000 1100 */ + 0x590b, + 0x590b, /* 000 1101 */ + 0x950b, /* 000 11011 */ + 0x950b, /* 000 1101 */ + 0x2a0a, + 0x2a0a, + 0x2a0a, + 0x2a0a, + 0xa20a, + 0xa20a, + 0xa20a, + 0xa20a, + 0xf00c, + 0xf00c, /* 000 */ + 0xba0d, + 0xe50d, /* 0 1 */ + 0xe40d, + 0x8c0d, /* 01 */ + 0x6d0d, + 0xe30d, /* 11 */ + 0xe20c, /* 0100 */ + 0xe20c, + 0x2e0d, /* 01010 */ + 0x0e0d, + 0x1e0c, /* 0110 */ + 0x1e0c, + 0xe10c, /* 0111 */ + 0xe10c, + 0xe00d, /* 10000 */ + 0x5d0d, + 0xd50d, /* 1 0 */ + 0x7c0d, + 0xc70d, + 0x4d0d, + 0x8b0d, + 0xb80d, + 0xd40d, + 0x9a0d, + 0xa90d, + 0x6c0d, + 0xc60c, + 0xc60c, + 0x3d0c, + 0x3d0c, /* 111 */ + 0xd30d, /* 0000 */ + 0x7b0d, + 0x2d0c, + 0x2d0c, + 0xd20c, + 0xd20c, + 0x1d0c, + 0x1d0c, + 0xb70c, + 0xb70c, /* 0000 0 */ + 0x5c0d, + 0xc50d, /* 0000 011 */ + 0x990d, + 0x7a0d, + 0xc30c, + 0xc30c, /* 0000 1 */ + 0xa70d, + 0x970d, + 0x4b0c, + 0x4b0c, + 0xd10b, + 0xd10b, + 0xd10b, /* 0000 010 */ + 0xd10b, + 0x0d0c, + 0x0d0c, + 0xd00c, + 0xd00c, + 0x8a0c, + 0x8a0c, + 0xa80c, + 0xa80c, + 0x4c0c, + 0x4c0c, + 0xc40c, + 0xc40c, + 0x6b0c, + 0x6b0c, /* 0000 1 */ + 0xb60c, /* 0000 1 1 */ + 0xb60c, /* 0000 1 */ + 0x3c0b, + 0x3c0b, + 0x3c0b, + 0x3c0b, + 0x2c0b, /* 0000 1011 */ + 0x2c0b, /* 0000 101 */ + 0x2c0b, /* 0000 101 */ + 0x2c0b, /* 0000 101 */ + 0xc20b, + 0xc20b, + 0xc20b, + 0xc20b, + 0x5b0b, /* 0000 1101 */ + 0x5b0b, + 0x5b0b, /* 0000 110 */ + 0x5b0b, /* 0000 110 */ + 0xb50c, + 0xb50c, + 0x890c, + 0x890c, /* 0000 1110 */ + 0x1c0b, + 0x1c0b, + 0x1c0b, + 0x1c0b, + 0x2f0d, + 0x2f0d, /* 000 */ + 0xf20d, /* 0 */ + 0xf20d, /* 000 */ + 0x6e0e, /* 00 */ + 0x9c0e, /* 01 */ + 0x0f0d, /* 1 */ + 0x0f0d, /* */ + 0xc90e, + 0x5e0e, /* 01 */ + 0xab0d, /* 0101 */ + 0xab0d, + 0x7d0e, /* 01100 */ + 0xd70e, + 0x4e0d, /* 0111 */ + 0x4e0d, + 0xc80e, + 0xd60e, /* 10 */ + 0x3e0d, + 0x3e0d, /* 100 */ + 0xb90d, + 0xb90d, /* 101 */ + 0x9b0e, + 0xaa0e, /* 10111 */ + 0x1f0c, + 0x1f0c, /* 11 */ + 0x1f0c, /* 11 */ + 0x1f0c, + 0xf10c, /* 111 */ + 0xf10c, /* 11 */ + 0xf10c, /* 11 */ + 0xf10c, /* 11 */ + 0xe80e, + 0xe80e, + 0x5f0e, + 0x5f0e, + 0x9d0e, + 0x9d0e, + 0xd90e, + 0xd90e, /* 0000000 */ + 0xf50e, + 0xf50e, + 0xe70e, + 0xe70e, + 0xac0e, + 0xac0e, + 0xbb0e, + 0xbb0e, + 0x4f0e, + 0x4f0e, + 0xf40e, /* 0000000 1 */ + 0xf40e, + 0xca0f, + 0xe60f, + 0xf30e, + 0xf30e, /* 0000000 101 */ + 0x3f0d, + 0x3f0d, /* 0000000 11 */ + 0x3f0d, + 0x3f0d, /* 0000000 11 */ + 0x8d0e, + 0x8d0e, + 0xd80e, /* 0000000 1111 */ + 0xd80e, + 0x8f0f, + 0x8f0f, /* 00000000 000 */ + 0xf80f, /* 00000000 0 */ + 0xf80f, + 0xcc0f, /* 00000000 0 */ + 0xcc0f, + 0xae10, + 0x9e10, /* 00000000 11 */ + 0x8e0f, + 0x8e0f, + 0x7f10, + 0x7e10, + 0xf70e, /* 00000000 011 */ + 0xf70e, + 0xf70e, + 0xf70e, /* 00000000 01 */ + 0xda0e, + 0xda0e, /* 00000000 10 */ + 0xda0e, + 0xda0e, /* 00000000 10 */ + 0xad0f, + 0xad0f, /* 00000000 101 */ + 0xbc0f, + 0xbc0f, /* 00000000 101 */ + 0xcb0f, + 0xcb0f, /* 00000000 110 */ + 0xf60f, + 0xf60f, /* 00000000 110 */ + 0x6f0e, + 0x6f0e, /* 00000000 11 */ + 0x6f0e, /* 00000000 11 */ + 0x6f0e, /* 00000000 11 */ + 0xff10, + 0xff10, + 0xef10, + 0xef10, /* 000000000000 */ + 0xdf10, /* 000000000000 1 */ + 0xdf10, /* 000000000000 */ + 0xee10, /* 00000000000 00 */ + 0xee10, /* 00000000000 0 */ + 0xcf10, /* 00000000000 01 */ + 0xcf10, + 0xde10, /* 00000000000 10 */ + 0xde10, + 0xbf10, /* 00000000000 11 */ + 0xbf10, /* 00000000000 1 */ + 0xfb10, + 0xfb10, + 0xce10, + 0xce10, /* 0000000000 00 */ + 0xdc10, /* 0000000000 010 */ + 0xdc10, + 0xaf11, + 0xe911, + 0xec0f, /* 0000000000 10 */ + 0xec0f, /* 0000000000 1 */ + 0xec0f, /* 0000000000 1 */ + 0xec0f, /* 0000000000 1 */ + 0xdd0f, /* 0000000000 11 */ + 0xdd0f, /* 0000000000 1 */ + 0xdd0f, /* 0000000000 1 */ + 0xdd0f, /* 0000000000 1 */ + 0xfa10, /* 000000000 0000 */ + 0xfa10, /* 000000000 000 */ + 0xcd10, /* 000000000 0 */ + 0xcd10, /* 000000000 000 */ + 0xbe0f, /* 000000000 */ + 0xbe0f, + 0xbe0f, + 0xbe0f, + 0xeb0f, + 0xeb0f, + 0xeb0f, + 0xeb0f, /* 000000000 01 */ + 0x9f0f, /* 000000000 011 */ + 0x9f0f, /* 000000000 01 */ + 0x9f0f, + 0x9f0f, + 0xf90f, /* 000000000 100 */ + 0xf90f, /* 000000000 10 */ + 0xf90f, /* 000000000 10 */ + 0xf90f, /* 000000000 10 */ + 0xea0f, /* 000000000 101 */ + 0xea0f, /* 000000000 10 */ + 0xea0f, /* 000000000 10 */ + 0xea0f, /* 000000000 10 */ + 0xbd0f, /* 000000000 110 */ + 0xbd0f, /* 000000000 11 */ + 0xbd0f, /* 000000000 11 */ + 0xbd0f, /* 000000000 11 */ + 0xdb0f, /* 000000000 111 */ + 0xdb0f, /* 000000000 11 */ + 0xdb0f, /* 000000000 11 */ + 0xdb0f, /* 000000000 11 */ + 0xfe13, + 0xfc13, + 0xfd12, + 0xfd12, + 0xed11, + 0xed11, + 0xed11, + 0xed11 + +}; + + + +const uint16 huffTable_15[421] = +{ + 0x1103, + 0x1103, + 0x0104, + 0x1004, + 0x0003, /* 111 */ + 0x0003, /* 11 */ + 0x3407, + 0x4307, + 0x2407, /* 0101 */ + 0x4207, /* 0101010 */ + 0x3307, + 0x4106, /* 010110 */ + 0x4106, + 0x1407, /* 0101110 */ + 0x0407, + 0x2306, /* 011000 */ + 0x2306, + 0x3206, /* 011 */ + 0x3206, + 0x4007, + 0x0307, + 0x1306, /* 011011 */ + 0x1306, /* 01101 */ + 0x3106, /* 011100 */ + 0x3106, /* 01110 */ + 0x3006, /* 011101 */ + 0x3006, /* 01110 */ + 0x2205, /* 01111 */ + 0x2205, /* 0111 */ + 0x2205, /* 0111 */ + 0x2205, /* 0111 */ + 0x1205, /* 10000 */ + 0x1205, /* 1000 */ + 0x1205, /* 1000 */ + 0x1205, /* 1000 */ + 0x2105, /* 10 */ + 0x2105, /* 1000 */ + 0x2105, /* 1000 */ + 0x2105, /* 1000 */ + 0x0205, + 0x0205, /* 1 */ + 0x0205, /* 1 */ + 0x0205, /* 1 */ + 0x2005, /* 1 1 */ + 0x2005, /* 1 */ + 0x2005, /* 1 */ + 0x2005, /* 1 */ + 0x5809, + 0x8509, + 0x2909, /* */ + 0x6709, /* 000 */ + 0x7609, /* 00 0 */ + 0x9209, /* 00 1 */ + 0x9108, /* 0 0 */ + 0x9108, /* 0 */ + 0x1909, /* 0 10 */ + 0x9009, /* 0 11 */ + 0x4809, /* 000 */ + 0x8409, /* */ + 0x5709, /* 010 */ + 0x7509, /* 011 */ + 0x3809, /* 100 */ + 0x8309, /* 101 */ + 0x6609, /* 110 */ + 0x4709, /* 111 */ + 0x2808, + 0x2808, /* 0100 */ + 0x8208, /* 01 */ + 0x8208, /* 0100 */ + 0x1808, /* 01010 */ + 0x1808, /* 0101 */ + 0x8108, /* 01011 */ + 0x8108, /* 0101 */ + 0x7409, + 0x0809, /* 011 */ + 0x8009, /* 011010 */ + 0x5609, + 0x6509, /* 011100 */ + 0x3709, + 0x7309, /* 011110 */ + 0x4609, + 0x2708, /* 10000 */ + 0x2708, /* 1000 */ + 0x7208, /* 10 */ + 0x7208, /* 1000 */ + 0x6408, /* 1 0 */ + 0x6408, /* 1 */ + 0x1708, /* 1 1 */ + 0x1708, /* 1 */ + 0x5508, /* 10100 */ + 0x5508, + 0x7108, /* 10101 */ + 0x7108, + 0x0709, /* 101100 */ + 0x7009, /* 101101 */ + 0x3608, /* 10111 */ + 0x3608, /* 1011 */ + 0x6308, /* 11000 */ + 0x6308, /* 1100 */ + 0x4508, /* 11 */ + 0x4508, /* 1100 */ + 0x5408, /* 11010 */ + 0x5408, /* 1101 */ + 0x2608, /* 11011 */ + 0x2608, /* 1101 */ + 0x6208, /* 11100 */ + 0x6208, /* 1110 */ + 0x1608, /* 11101 */ + 0x1608, /* 1110 */ + 0x0609, /* 111100 */ + 0x6009, /* 111101 */ + 0x3508, /* 11111 */ + 0x3508, /* 1111 */ + 0x6107, + 0x6107, + 0x6107, + 0x6107, + 0x5308, /* 0100 0 */ + 0x5308, /* 0100 */ + 0x4408, /* 0100 1 */ + 0x4408, /* 0100 */ + 0x2507, /* 010 0 */ + 0x2507, /* 010 */ + 0x2507, /* 010 */ + 0x2507, /* 010 */ + 0x5207, /* 010 1 */ + 0x5207, /* 010 */ + 0x5207, /* 010 */ + 0x5207, /* 010 */ + 0x1507, /* 01 00 */ + 0x1507, /* 01 0 */ + 0x1507, /* 01 0 */ + 0x1507, /* 01 0 */ + 0x5107, /* 01 01 */ + 0x5107, /* 01 0 */ + 0x5107, /* 01 0 */ + 0x5107, /* 01 0 */ + 0x0508, /* 01 100 */ + 0x0508, /* 01 10 */ + 0x5008, /* 01 101 */ + 0x5008, /* 01 10 */ + 0xc209, + 0xc209, + 0x2c0a, /* 00 11110 */ + 0x5b0a, + 0xb50a, /* 0 */ + 0x1c0a, /* 0 000 */ + 0x890a, /* 0 00 0 */ + 0x980a, + 0xc10a, /* 0 0 00 */ + 0x4b0a, /* 0 0 01 */ + 0xb40a, /* 0 0 10 */ + 0x6a0a, /* 0 0 11 */ + 0x3b0a, /* 0 000 */ + 0x790a, /* 0 */ + 0xb309, /* 0 01 */ + 0xb309, /* 0 0 */ + 0x970a, /* 0 100 */ + 0x880a, /* 0 101 */ + 0x2b0a, /* 0 110 */ + 0x5a0a, /* 0 111 */ + 0xb209, /* 0 01000 */ + 0xb209, /* 0 0100 */ + 0xa50a, /* 0 01 0 */ + 0x1b0a, /* 0 01 1 */ + 0xb109, /* 0 01010 */ + 0xb109, /* 0 0101 */ + 0xb00a, /* 0 010110 */ + 0x690a, /* 0 010111 */ + 0x960a, /* 0 011000 */ + 0x4a0a, /* 0 011 */ + 0xa40a, /* 0 011010 */ + 0x780a, /* 0 011011 */ + 0x870a, /* 0 011100 */ + 0x3a0a, /* 0 011101 */ + 0xa309, /* 0 01111 */ + 0xa309, /* 0 0111 */ + 0x5909, /* 0 10000 */ + 0x5909, /* 0 1000 */ + 0x9509, /* 0 10 */ + 0x9509, /* 0 1000 */ + 0x2a09, /* 0 1 0 */ + 0x2a09, /* 0 1 */ + 0xa209, /* 0 1 1 */ + 0xa209, /* 0 1 */ + 0x1a09, /* 0 10100 */ + 0x1a09, /* 0 1010 */ + 0xa109, /* 0 10101 */ + 0xa109, /* 0 1010 */ + 0x0a0a, /* 0 101100 */ + 0xa00a, /* 0 101101 */ + 0x6809, /* 0 10111 */ + 0x6809, /* 0 1011 */ + 0x8609, /* 0 11000 */ + 0x8609, /* 0 1100 */ + 0x4909, /* 0 11 */ + 0x4909, /* 0 1100 */ + 0x9409, /* 0 11010 */ + 0x9409, /* 0 1101 */ + 0x3909, /* 0 11011 */ + 0x3909, /* 0 1101 */ + 0x9309, /* 0 11100 */ + 0x9309, /* 0 1110 */ + 0x770a, /* 0 111010 */ + 0x090a, /* 0 111011 */ + 0x7c0b, + 0xc70b, /* 00 000 */ + 0x4d0b, /* 00 00 0 */ + 0x8b0b, /* 00 00 1 */ + 0xd40a, /* 00 0 0 */ + 0xd40a, /* 00 0 */ + 0xb80b, /* 00 0 10 */ + 0x9a0b, /* 00 0 11 */ + 0xa90b, /* 00 000 */ + 0x6c0b, /* 00 */ + 0xc60b, /* 00 010 */ + 0x3d0b, /* 00 011 */ + 0xd30a, /* 00 10 */ + 0xd30a, /* 00 1 */ + 0xd20a, /* 00 11 */ + 0xd20a, /* 00 1 */ + 0x2d0b, /* 00 010000 */ + 0x0d0b, /* 00 010 */ + 0x1d0a, /* 00 01 */ + 0x1d0a, /* 00 0100 */ + 0x7b0a, /* 00 01010 */ + 0x7b0a, /* 00 0101 */ + 0xb70a, /* 00 01011 */ + 0xb70a, /* 00 0101 */ + 0xd10a, /* 00 01100 */ + 0xd10a, /* 00 0110 */ + 0x5c0b, /* 00 011010 */ + 0xd00b, /* 00 011011 */ + 0xc50a, /* 00 01110 */ + 0xc50a, /* 00 0111 */ + 0x8a0a, /* 00 01111 */ + 0x8a0a, /* 00 0111 */ + 0xa80a, /* 00 10000 */ + 0xa80a, /* 00 1000 */ + 0x4c0a, /* 00 10 */ + 0x4c0a, /* 00 1000 */ + 0xc40a, /* 00 1 0 */ + 0xc40a, /* 00 1 */ + 0x6b0a, /* 00 1 1 */ + 0x6b0a, /* 00 1 */ + 0xb60a, /* 00 10100 */ + 0xb60a, /* 00 1010 */ + 0x990b, /* 00 101010 */ + 0x0c0b, /* 00 101011 */ + 0x3c0a, /* 00 10110 */ + 0x3c0a, /* 00 1011 */ + 0xc30a, /* 00 10111 */ + 0xc30a, /* 00 1011 */ + 0x7a0a, /* 00 11000 */ + 0x7a0a, /* 00 1100 */ + 0xa70a, /* 00 11 */ + 0xa70a, /* 00 1100 */ + 0xa60a, /* 00 11010 */ + 0xa60a, /* 00 1101 */ + 0xc00b, /* 00 110110 */ + 0x0b0b, /* 00 110111 */ + 0xcb0b, + 0xcb0b, /* 0000 000 */ + 0xf60b, /* 0000 0 */ + 0xf60b, /* 0000 000 */ + 0x8e0c, /* 0000 00 */ + 0xe80c, /* 0000 01 */ + 0x5f0c, /* 0000 10 */ + 0x9d0c, /* 0000 11 */ + 0xf50b, /* 0000 0100 */ + 0xf50b, /* 0000 010 */ + 0x7e0b, /* 0000 0101 */ + 0x7e0b, /* 0000 010 */ + 0xe70b, /* 0000 0110 */ + 0xe70b, /* 0000 011 */ + 0xac0b, /* 0000 0111 */ + 0xac0b, /* 0000 011 */ + 0xca0b, /* 0000 1000 */ + 0xca0b, /* 0000 100 */ + 0xbb0b, /* 0000 1 */ + 0xbb0b, /* 0000 100 */ + 0xd90c, /* 0000 10100 */ + 0x8d0c, /* 0000 10101 */ + 0x4f0b, /* 0000 1011 */ + 0x4f0b, /* 0000 101 */ + 0xf40b, /* 0000 1100 */ + 0xf40b, /* 0000 110 */ + 0x3f0b, /* 0000 1101 */ + 0x3f0b, /* 0000 110 */ + 0xf30b, /* 0000 1110 */ + 0xf30b, /* 0000 111 */ + 0xd80b, /* 0000 1111 */ + 0xd80b, /* 0000 111 */ + 0xe60b, /* 000 */ + 0xe60b, /* 000 0000 */ + 0x2f0b, /* 000 00 */ + 0x2f0b, /* 000 0000 */ + 0xf20b, /* 000 0 0 */ + 0xf20b, /* 000 0 */ + 0x6e0c, /* 000 0 10 */ + 0xf00c, /* 000 0 11 */ + 0x1f0b, /* 000 00 */ + 0x1f0b, /* 000 0 */ + 0xf10b, /* 000 01 */ + 0xf10b, /* 000 0 */ + 0x9c0b, /* 000 10 */ + 0x9c0b, /* 000 1 */ + 0xc90b, /* 000 11 */ + 0xc90b, /* 000 1 */ + 0x5e0b, /* 000 01000 */ + 0x5e0b, /* 000 0100 */ + 0xab0b, /* 000 01 */ + 0xab0b, /* 000 0100 */ + 0xba0b, /* 000 01010 */ + 0xba0b, /* 000 0101 */ + 0xe50b, /* 000 01011 */ + 0xe50b, /* 000 0101 */ + 0x7d0b, /* 000 01100 */ + 0x7d0b, /* 000 0110 */ + 0xd70b, /* 000 01101 */ + 0xd70b, + 0x4e0b, /* 000 01110 */ + 0x4e0b, + 0xe40b, /* 000 01111 */ + 0xe40b, /* 000 0111 */ + 0x8c0b, + 0x8c0b, /* 000 1000 */ + 0xc80b, /* 000 10 */ + 0xc80b, + 0x3e0b, /* 000 1 0 */ + 0x3e0b, /* 000 1 */ + 0x6d0b, + 0x6d0b, /* 000 1 */ + 0xd60b, /* 000 10100 */ + 0xd60b, /* 000 1010 */ + 0xe30b, + 0xe30b, /* 000 1010 */ + 0x9b0b, /* 000 10110 */ + 0x9b0b, /* 000 1011 */ + 0xb90b, + 0xb90b, /* 000 1011 */ + 0x2e0b, /* 000 11000 */ + 0x2e0b, /* 000 1100 */ + 0xaa0b, + 0xaa0b, /* 000 1100 */ + 0xe20b, + 0xe20b, /* 000 1101 */ + 0x1e0b, + 0x1e0b, /* 000 1101 */ + 0xe10b, + 0xe10b, /* 000 1110 */ + 0x0e0c, + 0xe00c, /* 000 111011 */ + 0x5d0b, + 0x5d0b, /* 000 1111 */ + 0xd50b, + 0xd50b, /* 000 1111 */ + 0xff0d, + 0xef0d, + 0xfe0d, + 0xdf0d, + 0xee0c, + 0xee0c, + 0xfd0d, + 0xcf0d, + 0xfc0d, + 0xde0d, + 0xed0d, + 0xbf0d, + 0xfb0c, + 0xfb0c, + 0xce0d, + 0xec0d, + 0xdd0c, /* 000 */ + 0xdd0c, /* 00 */ + 0xaf0c, /* */ + 0xaf0c, /* 00 */ + 0xfa0c, /* 010 */ + 0xfa0c, /* 01 */ + 0xbe0c, /* 011 */ + 0xbe0c, /* 01 */ + 0xeb0c, /* 100 */ + 0xeb0c, /* 10 */ + 0xcd0c, /* 101 */ + 0xcd0c, /* 10 */ + 0xdc0c, /* 110 */ + 0xdc0c, /* 11 */ + 0x9f0c, /* 111 */ + 0x9f0c, /* 11 */ + 0xf90c, /* 0000 */ + 0xf90c, /* 000 */ + 0xea0c, /* 0 */ + 0xea0c, /* 000 */ + 0xbd0c, /* 0 */ + 0xbd0c, /* */ + 0xdb0c, /* 1 */ + 0xdb0c, /* */ + 0x8f0c, /* 0100 */ + 0x8f0c, /* 010 */ + 0xf80c, /* 0101 */ + 0xf80c, /* 010 */ + 0xcc0c, + 0xcc0c, /* 011 */ + 0x9e0c, /* 0111 */ + 0x9e0c, /* 011 */ + 0xe90c, /* 1000 */ + 0xe90c, /* 100 */ + 0x7f0c, /* 1 */ + 0x7f0c, + 0xf70c, /* 1010 */ + 0xf70c, /* 101 */ + 0xad0c, /* 1011 */ + 0xad0c, /* 101 */ + 0xda0c, /* 1100 */ + 0xda0c, /* 110 */ + 0xbc0c, + 0xbc0c, /* 110 */ + 0x6f0c, /* 1110 */ + 0x6f0c, /* 111 */ + 0xae0d, /* 11110 */ + 0x0f0d +}; + +const uint16 huffTable_16[465] = +{ + 0x0001, + 0x1104, + 0x0104, + 0x1003, + 0x1003, + 0x2308, + 0x3208, /* 11 */ + 0x1307, /* 0100 */ + 0x1307, /* 010 */ + 0x3107, + 0x3107, + 0x0308, + 0x3008, + 0x2207, /* 0111 */ + 0x2207, /* 011 */ + 0x1206, /* 100 */ + 0x1206, /* 10 */ + 0x1206, /* 10 */ + 0x1206, /* 10 */ + 0x2106, /* 101 */ + 0x2106, /* 10 */ + 0x2106, /* 10 */ + 0x2106, /* 10 */ + 0x0206, + 0x0206, + 0x0206, + 0x0206, + 0x2006, + 0x2006, + 0x2006, + 0x2006, + 0x1709, + 0x1709, /* 0 0111 */ + 0x7109, /* 0 10000 */ + 0x7109, /* 0 1000 */ + 0x700a, /* 0 10 0 */ + 0x360a, /* 0 10 1 */ + 0x630a, /* 0 1 00 */ + 0x450a, /* 0 1 01 */ + 0x540a, /* 0 1 10 */ + 0x260a, /* 0 1 11 */ + 0x6209, /* 0 10100 */ + 0x6209, /* 0 1010 */ + 0x1609, + 0x1609, + 0x6109, /* 0 10110 */ + 0x6109, /* 0 1011 */ + 0x060a, /* 0 101110 */ + 0x600a, + 0x5309, + 0x5309, /* 0 1100 */ + 0x350a, /* 0 11 0 */ + 0x440a, /* 0 11 1 */ + 0x2509, /* 0 11010 */ + 0x2509, /* 0 1101 */ + 0x5209, /* 0 11011 */ + 0x5209, /* 0 1101 */ + 0x5108, + 0x5108, + 0x5108, + 0x5108, + 0x1509, + 0x1509, /* 0 1111 */ + 0x0509, /* 0 11111 */ + 0x0509, /* 0 1111 */ + 0x3409, /* */ + 0x3409, /* */ + 0x4309, /* 000 */ + 0x4309, /* */ + 0x5009, /* 00 0 */ + 0x5009, /* 00 */ + 0x2409, /* 00 1 */ + 0x2409, /* 00 */ + 0x4209, /* 0 00 */ + 0x4209, /* 0 0 */ + 0x3309, /* 0 01 */ + 0x3309, /* 0 0 */ + 0x1408, /* 0 1 */ + 0x1408, /* 0 */ + 0x1408, /* 0 */ + 0x1408, /* 0 */ + 0x4108, /* 00 */ + 0x4108, /* 0 */ + 0x4108, /* 0 */ + 0x4108, /* 0 */ + 0x0409, /* 010 */ + 0x0409, /* 01 */ + 0x4009, /* 011 */ + 0x4009, /* 01 */ + 0x1d0b, + 0x1d0b, /* 00 10101 */ + 0xc40c, /* 00 1011000 */ + 0x6b0c, /* 00 1011 */ + 0xc30c, /* 00 1011010 */ + 0xa70c, /* 00 1011011 */ + 0x2c0b, /* 00 101110 */ + 0x2c0b, /* 00 10111 */ + 0xc20c, /* 00 1011110 */ + 0xb50c, /* 00 1011111 */ + 0xc10c, /* 00 1100000 */ + 0x0c0c, /* 00 1100 */ + 0x4b0c, /* 00 110 0 */ + 0xb40c, /* 00 110 1 */ + 0x6a0c, /* 00 11 00 */ + 0xa60c, /* 00 11 01 */ + 0xb30b, /* 00 11 1 */ + 0xb30b, /* 00 11 */ + 0x5a0c, /* 00 1101000 */ + 0xa50c, /* 00 1101 */ + 0x2b0b, /* 00 110101 */ + 0x2b0b, /* 00 11010 */ + 0xb20b, /* 00 110110 */ + 0xb20b, /* 00 11011 */ + 0x1b0b, /* 00 110111 */ + 0x1b0b, /* 00 11011 */ + 0xb10b, /* 00 111000 */ + 0xb10b, /* 00 11100 */ + 0x0b0c, /* 00 111 0 */ + 0xb00c, /* 00 111 1 */ + 0x690c, /* 00 1110100 */ + 0x960c, /* 00 1110101 */ + 0x4a0c, /* 00 1110110 */ + 0xa40c, /* 00 1110111 */ + 0x780c, /* 00 1111000 */ + 0x870c, /* 00 1111 */ + 0xa30b, /* 00 111101 */ + 0xa30b, /* 00 11110 */ + 0x3a0c, /* 00 1111100 */ + 0x590c, /* 00 1111101 */ + 0x2a0b, /* 00 111111 */ + 0x2a0b, /* 00 11111 */ + 0x950c, /* 0 00000000 */ + 0x680c, /* 0 */ + 0xa10b, /* 0 0000 */ + 0xa10b, /* 0 */ + 0x860c, /* 0 000 00 */ + 0x770c, /* 0 000 01 */ + 0x940b, /* 0 000 1 */ + 0x940b, /* 0 000 */ + 0x490c, /* 0 00 000 */ + 0x570c, /* 0 00 */ + 0x670b, /* 0 00 01 */ + 0x670b, /* 0 00 0 */ + 0xa20a, /* 0 00 1 */ + 0xa20a, /* 0 00 */ + 0xa20a, /* 0 00 */ + 0xa20a, /* 0 00 */ + 0x1a0a, /* 0 0 00 */ + 0x1a0a, /* 0 0 0 */ + 0x1a0a, /* 0 0 0 */ + 0x1a0a, /* 0 0 0 */ + 0x0a0b, /* 0 0 010 */ + 0x0a0b, /* 0 0 01 */ + 0xa00b, /* 0 0 011 */ + 0xa00b, /* 0 0 01 */ + 0x390b, /* 0 0 100 */ + 0x390b, /* 0 0 10 */ + 0x930b, /* 0 0 101 */ + 0x930b, /* 0 0 10 */ + 0x580b, /* 0 0 110 */ + 0x580b, /* 0 0 11 */ + 0x850b, /* 0 0 111 */ + 0x850b, /* 0 0 11 */ + 0x290a, /* 0 000 */ + 0x290a, /* 0 00 */ + 0x290a, /* 0 00 */ + 0x290a, /* 0 00 */ + 0x920a, /* 0 */ + 0x920a, /* 0 00 */ + 0x920a, /* 0 00 */ + 0x920a, /* 0 00 */ + 0x760b, /* 0 0100 */ + 0x760b, /* 0 010 */ + 0x090b, /* 0 0101 */ + 0x090b, /* 0 010 */ + 0x190a, /* 0 011 */ + 0x190a, /* 0 01 */ + 0x190a, /* 0 01 */ + 0x190a, /* 0 01 */ + 0x910a, /* 0 100 */ + 0x910a, /* 0 10 */ + 0x910a, /* 0 10 */ + 0x910a, /* 0 10 */ + 0x900b, /* 0 1010 */ + 0x900b, /* 0 101 */ + 0x480b, /* 0 1011 */ + 0x480b, /* 0 101 */ + 0x840b, /* 0 1100 */ + 0x840b, /* 0 110 */ + 0x750b, /* 0 1101 */ + 0x750b, /* 0 110 */ + 0x380b, /* 0 1110 */ + 0x380b, /* 0 111 */ + 0x830b, /* 0 1111 */ + 0x830b, /* 0 111 */ + 0x660b, /* 0 0100000 */ + 0x660b, /* 0 010000 */ + 0x280b, /* 0 0100 */ + 0x280b, /* 0 010000 */ + 0x820a, /* 0 010 */ + 0x820a, /* 0 01000 */ + 0x820a, /* 0 01000 */ + 0x820a, /* 0 01000 */ + 0x470b, /* 0 01 00 */ + 0x470b, /* 0 01 0 */ + 0x740b, /* 0 01 01 */ + 0x740b, /* 0 01 0 */ + 0x180a, /* 0 01 1 */ + 0x180a, /* 0 01 */ + 0x180a, /* 0 01 */ + 0x180a, /* 0 01 */ + 0x810a, /* 0 010100 */ + 0x810a, /* 0 01010 */ + 0x810a, /* 0 01010 */ + 0x810a, /* 0 01010 */ + 0x800a, /* 0 010101 */ + 0x800a, /* 0 01010 */ + 0x800a, /* 0 01010 */ + 0x800a, /* 0 01010 */ + 0x080b, /* 0 0101100 */ + 0x080b, /* 0 010110 */ + 0x560b, /* 0 0101101 */ + 0x560b, /* 0 010110 */ + 0x370a, /* 0 010111 */ + 0x370a, /* 0 01011 */ + 0x370a, /* 0 01011 */ + 0x370a, /* 0 01011 */ + 0x730a, /* 0 011000 */ + 0x730a, /* 0 01100 */ + 0x730a, /* 0 01100 */ + 0x730a, /* 0 01100 */ + 0x650b, /* 0 011 0 */ + 0x650b, /* 0 011 */ + 0x460b, /* 0 011 1 */ + 0x460b, /* 0 011 */ + 0x270a, /* 0 011010 */ + 0x270a, /* 0 01101 */ + 0x270a, /* 0 01101 */ + 0x270a, /* 0 01101 */ + 0x720a, /* 0 011011 */ + 0x720a, /* 0 01101 */ + 0x720a, /* 0 01101 */ + 0x720a, /* 0 01101 */ + 0x640b, /* 0 0111000 */ + 0x640b, /* 0 011100 */ + 0x550b, /* 0 0111 */ + 0x550b, /* 0 011100 */ + 0x070a, /* 0 011101 */ + 0x070a, /* 0 01110 */ + 0x070a, /* 0 01110 */ + 0x070a, /* 0 01110 */ + 0x9e0d, + 0x9e0d, /* 00 0110000 */ + 0xbc0e, /* 00 01100 0 */ + 0xcb0e, /* 00 01100 1 */ + 0x8e0e, /* 00 0110 00 */ + 0xe80e, /* 00 0110 01 */ + 0x9d0e, /* 00 0110 10 */ + 0xe70e, /* 00 0110 11 */ + 0xbb0e, /* 00 011 000 */ + 0x8d0e, /* 00 011 */ + 0xd80e, /* 00 011 010 */ + 0x6e0e, /* 00 011 011 */ + 0xe60d, /* 00 011 10 */ + 0xe60d, /* 00 011 1 */ + 0x9c0d, /* 00 011 11 */ + 0x9c0d, /* 00 011 1 */ + 0xab0e, /* 00 011010000 */ + 0xba0e, /* 00 011010 */ + 0xe50e, /* 00 01101 0 */ + 0xd70e, /* 00 01101 1 */ + 0x4e0d, /* 00 01101010 */ + 0x4e0d, /* 00 0110101 */ + 0xe40e, /* 00 011010110 */ + 0x8c0e, /* 00 011010111 */ + 0xc80d, /* 00 01101100 */ + 0xc80d, /* 00 0110110 */ + 0x3e0d, /* 00 01101101 */ + 0x3e0d, /* 00 0110110 */ + 0x6d0d, /* 00 01101110 */ + 0x6d0d, /* 00 0110111 */ + 0xd60e, /* 00 011011110 */ + 0x9b0e, /* 00 011011111 */ + 0xb90e, /* 00 011100000 */ + 0xaa0e, /* 00 011100 */ + 0xe10d, /* 00 01110 */ + 0xe10d, /* 00 0111000 */ + 0xd40d, /* 00 0111 0 */ + 0xd40d, /* 00 0111 */ + 0xb80e, /* 00 0111 10 */ + 0xa90e, /* 00 0111 11 */ + 0x7b0d, /* 00 01110100 */ + 0x7b0d, /* 00 0111010 */ + 0xb70e, /* 00 011101010 */ + 0xd00e, /* 00 011101011 */ + 0xe30c, /* 00 0111011 */ + 0xe30c, /* 00 011101 */ + 0xe30c, /* 00 011101 */ + 0xe30c, /* 00 011101 */ + 0x0e0d, /* 00 01111000 */ + 0x0e0d, /* 00 0111100 */ + 0xe00d, /* 00 01111 */ + 0xe00d, /* 00 0111100 */ + 0x5d0d, /* 00 01111010 */ + 0x5d0d, /* 00 0111101 */ + 0xd50d, /* 00 01111011 */ + 0xd50d, /* 00 0111101 */ + 0x7c0d, /* 00 01111100 */ + 0x7c0d, /* 00 0111110 */ + 0xc70d, /* 00 01111101 */ + 0xc70d, /* 00 0111110 */ + 0x4d0d, /* 00 01111110 */ + 0x4d0d, /* 00 0111111 */ + 0x8b0d, /* 00 01111111 */ + 0x8b0d, /* 00 0111111 */ + 0x9a0d, + 0x6c0d, /* 00 10000 */ + 0xc60d, /* 00 1000 0 */ + 0x3d0d, /* 00 1000 1 */ + 0x5c0d, /* 00 100 00 */ + 0xc50d, /* 00 100 01 */ + 0x0d0c, /* 00 100 1 */ + 0x0d0c, /* 00 100 */ + 0x8a0d, /* 00 10 000 */ + 0xa80d, /* 00 10 */ + 0x990d, /* 00 10 010 */ + 0x4c0d, /* 00 10 011 */ + 0xb60d, /* 00 10 100 */ + 0x7a0d, /* 00 10 101 */ + 0x3c0c, /* 00 10 11 */ + 0x3c0c, /* 00 10 1 */ + 0x5b0d, /* 00 1 0000 */ + 0x890d, /* 00 1 0 */ + 0x1c0c, /* 00 1 */ + 0x1c0c, /* 00 1 00 */ + 0xc00c, /* 00 1 010 */ + 0xc00c, /* 00 1 01 */ + 0x980d, /* 00 1 0110 */ + 0x790d, /* 00 1 0111 */ + 0xe20b, /* 00 1 10 */ + 0xe20b, /* 00 1 1 */ + 0xe20b, /* 00 1 1 */ + 0xe20b, /* 00 1 1 */ + 0x2e0c, /* 00 1 110 */ + 0x2e0c, /* 00 1 11 */ + 0x1e0c, /* 00 1 111 */ + 0x1e0c, /* 00 1 11 */ + 0xd30c, /* 00 1010000 */ + 0xd30c, /* 00 101000 */ + 0x2d0c, /* 00 1010 */ + 0x2d0c, /* 00 101000 */ + 0xd20c, /* 00 101 0 */ + 0xd20c, /* 00 101 */ + 0xd10c, /* 00 101 1 */ + 0xd10c, /* 00 101 */ + 0x3b0c, /* 00 1010100 */ + 0x3b0c, /* 00 101010 */ + 0x970d, /* 00 10101010 */ + 0x880d, /* 00 10101011 */ + 0xf208, + 0xf208, /* 000 1 */ + 0x2f09, /* 00 0000 */ + 0x0f09, /* 00 0 */ + 0x1f08, /* 00 */ + 0x1f08, /* 00 00 */ + 0xf108, /* 00 010 */ + 0xf108, /* 00 01 */ + 0xce10, + 0xce10, /* 000 101100000 */ + 0xec11, /* 000 1011000 0 */ + 0xdd11, /* 000 1011000 1 */ + 0xde0f, /* 000 101100 */ + 0xde0f, /* 000 10110000 */ + 0xde0f, /* 000 10110000 */ + 0xde0f, /* 000 10110000 */ + 0xe90f, /* 000 10110 0 */ + 0xe90f, /* 000 10110 */ + 0xe90f, /* 000 10110 */ + 0xe90f, /* 000 10110 */ + 0xea10, /* 000 10110 10 */ + 0xea10, /* 000 10110 1 */ + 0xd910, /* 000 10110 11 */ + 0xd910, /* 000 10110 1 */ + 0xee0e, + 0xee0e, /* 000 1011 */ + 0xed0f, /* 000 1011 10 */ + 0xeb0f, /* 000 1011 11 */ + 0xbe0e, /* 000 10110100 */ + 0xbe0e, /* 000 1011010 */ + 0xcd0e, /* 000 10110101 */ + 0xcd0e, /* 000 1011010 */ + 0xdc0f, /* 000 101101100 */ + 0xdb0f, /* 000 101101101 */ + 0xae0e, /* 000 10110111 */ + 0xae0e, /* 000 1011011 */ + 0xcc0e, /* 000 10111000 */ + 0xcc0e, /* 000 1011100 */ + 0xad0f, /* 000 10111 0 */ + 0xda0f, /* 000 10111 1 */ + 0x7e0f, /* 000 101110100 */ + 0xac0f, /* 000 101110101 */ + 0xca0e, /* 000 10111011 */ + 0xca0e, /* 000 1011101 */ + 0xc90f, /* 000 101111000 */ + 0x7d0f, /* 000 101111 */ + 0x5e0e, /* 000 10111101 */ + 0x5e0e, /* 000 1011110 */ + 0xbd0d, /* 000 1011111 */ + 0xbd0d, /* 000 101111 */ + 0xbd0d, /* 000 101111 */ + 0xbd0d, /* 000 101111 */ + 0xef0b, + 0xfe0b, /* 00000000 */ + 0xdf0b, /* 0000000 0 */ + 0xfd0b, /* 0000000 1 */ + 0xcf0b, /* 00 */ + 0xfc0b, /* 01 */ + 0xbf0b, /* 10 */ + 0xfb0b, /* 11 */ + 0xaf0a, /* 00 */ + 0xaf0a, /* 0 */ + 0xfa0b, /* 010 */ + 0x9f0b, /* 011 */ + 0xf90b, /* 100 */ + 0xf80b, /* 101 */ + 0x8f0a, /* 11 */ + 0x8f0a, /* 1 */ + 0x7f0a, /* 0000 000 */ + 0x7f0a, /* 0000 00 */ + 0xf70a, /* 0000 */ + 0xf70a, /* 0000 00 */ + 0x6f0a, /* 0000 010 */ + 0x6f0a, /* 0000 01 */ + 0xf60a, /* 0000 011 */ + 0xf60a, /* 0000 01 */ + 0xff08, /* 0000 1 */ + 0xff08, /* 0000 */ + 0xff08, /* 0000 */ + 0xff08, /* 0000 */ + 0xff08, /* 0000 */ + 0xff08, /* 0000 */ + 0xff08, /* 0000 */ + 0xff08, /* 0000 */ + 0x5f0a, /* 000 0000 */ + 0x5f0a, /* 000 000 */ + 0xf50a, /* 000 0 */ + 0xf50a, /* 000 000 */ + 0x4f09, /* 000 */ + 0x4f09, /* 000 00 */ + 0x4f09, /* 000 00 */ + 0x4f09, /* 000 00 */ + 0xf409, /* 000 010 */ + 0xf409, /* 000 01 */ + 0xf409, /* 000 01 */ + 0xf409, /* 000 01 */ + 0xf309, /* 000 011 */ + 0xf309, /* 000 01 */ + 0xf309, /* 000 01 */ + 0xf309, /* 000 01 */ + 0xf009, /* 000 100 */ + 0xf009, /* 000 10 */ + 0xf009, /* 000 10 */ + 0xf009, /* 000 10 */ + 0x3f0a, + 0x3f0a +}; + + + +const uint16 huffTable_24[478] = +{ + + 0x2206, /* 101 */ + 0x1205, /* 10101 */ + 0x1205, /* 1010 */ + 0x2105, /* 10110 */ + 0x2105, /* 1011 */ + 0x0206, /* 101110 */ + 0x2006, /* 101111 */ + 0x1104, + 0x1104, + 0x1104, + 0x1104, + 0x0104, + 0x0104, + 0x0104, + 0x0104, + 0x1004, + 0x1004, + 0x1004, + 0x1004, + 0x0004, + 0x0004, + 0x0004, + 0x0004, + 0x7308, + 0x7308, + 0x3709, + 0x2709, + 0x7208, + 0x7208, + 0x4608, /* 01110000 */ + 0x4608, /* 0111000 */ + 0x6408, /* 01110 */ + 0x6408, /* 0111000 */ + 0x5508, /* 0111 0 */ + 0x5508, /* 0111 */ + 0x7108, /* 0111 1 */ + 0x7108, /* 0111 */ + 0x3608, /* 01110100 */ + 0x3608, /* 0111010 */ + 0x6308, /* 01110101 */ + 0x6308, /* 0111010 */ + 0x4508, /* 01110110 */ + 0x4508, /* 0111011 */ + 0x5408, /* 01110111 */ + 0x5408, /* 0111011 */ + 0x2608, /* 01111000 */ + 0x2608, /* 0111100 */ + 0x6208, /* 01111 */ + 0x6208, /* 0111100 */ + 0x1608, /* 01111010 */ + 0x1608, /* 0111101 */ + 0x6108, /* 01111011 */ + 0x6108, /* 0111101 */ + 0x0609, /* 011111000 */ + 0x6009, /* 011111 */ + 0x3508, /* 01111101 */ + 0x3508, /* 0111110 */ + 0x5308, /* 01111110 */ + 0x5308, /* 0111111 */ + 0x4408, /* 01111111 */ + 0x4408, /* 0111111 */ + 0x2508, /* 10000000 */ + 0x2508, /* 1000000 */ + 0x5208, /* 10000 */ + 0x5208, /* 1000000 */ + 0x1508, /* 1000 0 */ + 0x1508, /* 1000 */ + 0x0509, /* 1000 10 */ + 0x5009, /* 1000 11 */ + 0x5107, /* 100 0 */ + 0x5107, /* 100 */ + 0x5107, /* 100 */ + 0x5107, /* 100 */ + 0x3408, /* 100 10 */ + 0x3408, /* 100 1 */ + 0x4308, /* 100 11 */ + 0x4308, /* 100 1 */ + 0x2407, /* 10 00 */ + 0x2407, /* 10 0 */ + 0x2407, /* 10 0 */ + 0x2407, /* 10 0 */ + 0x4207, /* 10 01 */ + 0x4207, /* 10 0 */ + 0x4207, /* 10 0 */ + 0x4207, /* 10 0 */ + 0x3307, /* 10 10 */ + 0x3307, /* 10 1 */ + 0x3307, /* 10 1 */ + 0x3307, /* 10 1 */ + 0x1407, /* 10 11 */ + 0x1407, /* 10 1 */ + 0x1407, /* 10 1 */ + 0x1407, /* 10 1 */ + 0x4107, /* 1 000 */ + 0x4107, /* 1 00 */ + 0x4107, /* 1 00 */ + 0x4107, /* 1 00 */ + 0x0408, /* 1 0 */ + 0x0408, /* 1 */ + 0x4008, /* 1 1 */ + 0x4008, /* 1 */ + 0x2307, /* 1 010 */ + 0x2307, /* 1 01 */ + 0x2307, /* 1 01 */ + 0x2307, /* 1 01 */ + 0x3207, /* 1 011 */ + 0x3207, /* 1 01 */ + 0x3207, /* 1 01 */ + 0x3207, /* 1 01 */ + 0x1306, /* 1 10 */ + 0x1306, /* 1 1 */ + 0x1306, /* 1 1 */ + 0x1306, /* 1 1 */ + 0x1306, /* 1 1 */ + 0x1306, /* 1 1 */ + 0x1306, /* 1 1 */ + 0x1306, /* 1 1 */ + 0x3106, /* 1 11 */ + 0x3106, /* 1 1 */ + 0x3106, /* 1 1 */ + 0x3106, /* 1 1 */ + 0x3106, /* 1 1 */ + 0x3106, /* 1 1 */ + 0x3106, /* 1 1 */ + 0x3106, /* 1 1 */ + 0x0307, /* 1010000 */ + 0x0307, /* 101000 */ + 0x0307, /* 101000 */ + 0x0307, /* 101000 */ + 0x3007, /* 1010 */ + 0x3007, /* 101000 */ + 0x3007, /* 101000 */ + 0x3007, /* 101000 */ + 0xb309, + 0xb309, + 0x8809, /* 010101 */ + 0x8809, /* 01010100 */ + 0x2b0a, /* 0101010100 */ + 0x5a0a, /* 0101010101 */ + 0xb209, /* 010101011 */ + 0xb209, /* 01010101 */ + 0xa50a, /* 0101011000 */ + 0x1b0a, /* 0101011 */ + 0xb10a, /* 0101011010 */ + 0x690a, /* 0101011011 */ + 0x9609, /* 010101110 */ + 0x9609, /* 01010111 */ + 0xa409, /* 010101111 */ + 0xa409, /* 01010111 */ + 0x4a0a, /* 0101100000 */ + 0x780a, /* 0101100 */ + 0x8709, /* 010110 */ + 0x8709, /* 01011000 */ + 0x3a09, /* 01011 0 */ + 0x3a09, /* 01011 */ + 0xa309, /* 01011 1 */ + 0xa309, /* 01011 */ + 0x5909, /* 010110100 */ + 0x5909, /* 01011010 */ + 0x9509, /* 010110101 */ + 0x9509, /* 01011010 */ + 0x2a09, /* 010110110 */ + 0x2a09, /* 01011011 */ + 0xa209, /* 010110111 */ + 0xa209, /* 01011011 */ + 0xa109, /* 010111000 */ + 0xa109, /* 01011100 */ + 0x6809, /* 010111 */ + 0x6809, /* 01011100 */ + 0x8609, /* 010111010 */ + 0x8609, /* 01011101 */ + 0x7709, /* 010111011 */ + 0x7709, /* 01011101 */ + 0x4909, /* 010111100 */ + 0x4909, /* 01011110 */ + 0x9409, /* 010111101 */ + 0x9409, /* 01011110 */ + 0x3909, /* 010111110 */ + 0x3909, /* 01011111 */ + 0x9309, /* 010111111 */ + 0x9309, /* 01011111 */ + 0x5809, /* 011000000 */ + 0x5809, /* 01100000 */ + 0x8509, /* 011000 */ + 0x8509, /* 01100000 */ + 0x2909, /* 01100 0 */ + 0x2909, /* 01100 */ + 0x6709, /* 01100 1 */ + 0x6709, /* 01100 */ + 0x7609, /* 0110 00 */ + 0x7609, /* 0110 0 */ + 0x9209, /* 0110 01 */ + 0x9209, /* 0110 0 */ + 0x1909, /* 0110 10 */ + 0x1909, /* 0110 1 */ + 0x9109, /* 0110 11 */ + 0x9109, /* 0110 1 */ + 0x4809, /* 011 000 */ + 0x4809, /* 011 00 */ + 0x8409, /* 011 */ + 0x8409, /* 011 00 */ + 0x5709, /* 011 010 */ + 0x5709, /* 011 01 */ + 0x7509, /* 011 011 */ + 0x7509, /* 011 01 */ + 0x3809, /* 011 100 */ + 0x3809, /* 011 10 */ + 0x8309, /* 011 101 */ + 0x8309, /* 011 10 */ + 0x6609, /* 011 110 */ + 0x6609, /* 011 11 */ + 0x2809, /* 011 111 */ + 0x2809, /* 011 11 */ + 0x8209, /* 011010000 */ + 0x8209, /* 01101000 */ + 0x1809, /* 011010 */ + 0x1809, /* 01101000 */ + 0x4709, /* 01101 0 */ + 0x4709, /* 01101 */ + 0x7409, /* 01101 1 */ + 0x7409, /* 01101 */ + 0x8109, /* 011010100 */ + 0x8109, /* 01101010 */ + 0x080a, /* 0110101010 */ + 0x800a, /* 0110101011 */ + 0x5609, /* 011010110 */ + 0x5609, /* 01101011 */ + 0x6509, /* 011010111 */ + 0x6509, /* 01101011 */ + 0x1709, /* 011011000 */ + 0x1709, /* 01101100 */ + 0x070a, /* 011011 0 */ + 0x700a, /* 011011 1 */ + 0x6e0b, + 0x9c0b, + 0xc90a, /* 01000 01 */ + 0xc90a, /* 01000 0 */ + 0x5e0a, /* 01000 10 */ + 0x5e0a, /* 01000 1 */ + 0xba0a, /* 01000 11 */ + 0xba0a, /* 01000 1 */ + 0xe50a, /* 0100 000 */ + 0xe50a, /* 0100 00 */ + 0xab0b, /* 0100 0 */ + 0x7d0b, /* 0100 1 */ + 0xd70a, /* 0100 010 */ + 0xd70a, /* 0100 01 */ + 0xe40a, /* 0100 011 */ + 0xe40a, /* 0100 01 */ + 0x8c0a, /* 0100 100 */ + 0x8c0a, + 0xc80a, + 0xc80a, + 0x4e0b, /* 0100 1100 */ + 0x2e0b, /* 0100 1101 */ + 0x3e0a, /* 0100 111 */ + 0x3e0a, /* 0100 11 */ + 0x6d0a, /* 010 0000 */ + 0x6d0a, /* 010 000 */ + 0xd60a, /* 010 0 */ + 0xd60a, /* 010 000 */ + 0xe30a, /* 010 0 */ + 0xe30a, /* 010 */ + 0x9b0a, /* 010 1 */ + 0x9b0a, /* 010 */ + 0xb90a, /* 010 0100 */ + 0xb90a, /* 010 010 */ + 0xaa0a, /* 010 0101 */ + 0xaa0a, + 0xe20a, + 0xe20a, + 0x1e0a, + 0x1e0a, + 0xe10a, + 0xe10a, + 0x5d0a, + 0x5d0a, + 0xd50a, + 0xd50a, + 0x7c0a, + 0x7c0a, + 0xc70a, + 0xc70a, + 0x4d0a, + 0x4d0a, + 0x8b0a, + 0x8b0a, + 0xb80a, + 0xb80a, + 0xd40a, + 0xd40a, + 0x9a0a, + 0x9a0a, + 0xa90a, /* 01 0 0 */ + 0xa90a, /* 01 0 */ + 0x6c0a, /* 01 0 1 */ + 0x6c0a, /* 01 0 */ + 0xc60a, /* 01 00 */ + 0xc60a, /* 01 0 */ + 0x3d0a, /* 01 01 */ + 0x3d0a, /* 01 0 */ + 0xd30a, /* 01 10 */ + 0xd30a, /* 01 1 */ + 0x2d0a, /* 01 11 */ + 0x2d0a, /* 01 1 */ + 0xd20a, + 0xd20a, + 0x1d0a, /* 01 01 */ + 0x1d0a, /* 01 0100 */ + 0x7b0a, /* 01 01010 */ + 0x7b0a, /* 01 0101 */ + 0xb70a, /* 01 01011 */ + 0xb70a, + 0xd10a, + 0xd10a, /* 01 0110 */ + 0x5c0a, /* 01 01101 */ + 0x5c0a, /* 01 0110 */ + 0xc50a, /* 01 01110 */ + 0xc50a, /* 01 0111 */ + 0x8a0a, /* 01 01111 */ + 0x8a0a, /* 01 0111 */ + 0xa80a, /* 01 10000 */ + 0xa80a, /* 01 1000 */ + 0x990a, /* 01 10 */ + 0x990a, /* 01 1000 */ + 0x4c0a, /* 01 1 0 */ + 0x4c0a, /* 01 1 */ + 0xc40a, /* 01 1 1 */ + 0xc40a, /* 01 1 */ + 0x6b0a, /* 01 10100 */ + 0x6b0a, /* 01 1010 */ + 0xb60a, /* 01 10101 */ + 0xb60a, /* 01 1010 */ + 0xd00b, /* 01 101100 */ + 0x0c0b, /* 01 101101 */ + 0x3c0a, /* 01 10111 */ + 0x3c0a, /* 01 1011 */ + 0xc30a, /* 01 11000 */ + 0xc30a, /* 01 1100 */ + 0x7a0a, /* 01 11 */ + 0x7a0a, /* 01 1100 */ + 0xa70a, /* 01 11010 */ + 0xa70a, /* 01 1101 */ + 0x2c0a, /* 01 11011 */ + 0x2c0a, /* 01 1101 */ + 0xc20a, /* 01 11100 */ + 0xc20a, /* 01 1110 */ + 0x5b0a, /* 01 11101 */ + 0x5b0a, /* 01 1110 */ + 0xb50a, /* 01 11110 */ + 0xb50a, /* 01 1111 */ + 0x1c0a, + 0x1c0a, + 0x890a, + 0x890a, + 0x980a, + 0x980a, + 0xc10a, /* 010100 0 */ + 0xc10a, /* 010100 */ + 0x4b0a, /* 010100 1 */ + 0x4b0a, /* 010100 */ + 0xc00b, /* 01010 000 */ + 0x0b0b, /* 01010 */ + 0x3b0a, /* 01010 01 */ + 0x3b0a, /* 01010 0 */ + 0xb00b, /* 01010 100 */ + 0x0a0b, /* 01010 101 */ + 0x1a0a, /* 01010 11 */ + 0x1a0a, /* 01010 1 */ + 0xb409, /* 0101 00 */ + 0xb409, /* 0101 0 */ + 0xb409, /* 0101 0 */ + 0xb409, /* 0101 0 */ + 0x6a0a, /* 0101 010 */ + 0x6a0a, /* 0101 01 */ + 0xa60a, /* 0101 011 */ + 0xa60a, /* 0101 01 */ + 0x790a, /* 0101 100 */ + 0x790a, /* 0101 10 */ + 0x970a, /* 0101 101 */ + 0x970a, /* 0101 10 */ + 0xa00b, /* 0101 1100 */ + 0x090b, /* 0101 1101 */ + 0x900a, /* 0101 111 */ + 0x900a, /* 0101 11 */ + 0xca0b, + 0xca0b, + 0xbb0b, + 0xbb0b, + 0x8d0b, + 0x8d0b, /* 0100000 */ + 0xd80b, /* 0100000 1 */ + 0xd80b, /* 0100000 */ + 0x0e0c, /* 010000 000 */ + 0xe00c, /* 010000 */ + 0x0d0b, /* 010000 01 */ + 0x0d0b, /* 010000 0 */ + 0xe60a, /* 010000 1 */ + 0xe60a, /* 010000 */ + 0xe60a, /* 010000 */ + 0xe60a, /* 010000 */ + 0x0f09, /* 011000 401 */ + 0x0f09, /* 01100 */ + 0x0f09, /* 01100 */ + 0x0f09, /* 01100 */ + 0xee0b, /* 011 00 */ + 0xde0b, /* 011 01 */ + 0xed0b, /* 011 10 */ + 0xce0b, /* 011 11 */ + 0xec0b, /* 01101000 */ + 0xdd0b, /* 01101 */ + 0xbe0b, /* 01101010 */ + 0xeb0b, /* 01101011 */ + 0xcd0b, /* 01101100 */ + 0xdc0b, /* 01101101 */ + 0xae0b, /* 01101110 */ + 0xea0b, /* 01101111 */ + 0xbd0b, /* 01110000 */ + 0xdb0b, /* 01110 */ + 0xcc0b, /* 0111 0 */ + 0x9e0b, /* 0111 1 */ + 0xe90b, /* 01110100 */ + 0xad0b, /* 01110101 */ + 0xda0b, /* 01110110 */ + 0xbc0b, /* 01110111 */ + 0xcb0b, /* 01111000 */ + 0x8e0b, + 0xe80b, + 0x9d0b, + 0xd90b, + 0x7e0b, + 0xe70b, + 0xac0b, + 0xff04, + 0xef08, + 0xfe08, + 0xdf08, /* 0000 0 */ + 0xfd08, /* 0000 1 */ + 0xcf08, /* 000 00 */ + 0xfc08, /* 000 01 */ + 0xbf08, /* 000 10 */ + 0xfb08, /* 000 11 */ + 0xfa07, /* 00 00 */ + 0xfa07, /* 00 0 */ + 0xaf08, /* 00 010 */ + 0x9f08, /* 00 011 */ + 0xf907, /* 00 10 */ + 0xf907, /* 00 1 */ + 0xf807, /* 00 11 */ + 0xf807, /* 00 1 */ + 0x8f08, + 0x7f08, /* 0 0 */ + 0xf707, /* 0 */ + 0xf707, /* 0 00 */ + 0x6f07, /* 0 010 */ + 0x6f07, /* 0 01 */ + 0xf607, /* 0 011 */ + 0xf607, /* 0 01 */ + 0x5f07, + 0x5f07, /* 0 10 */ + 0xf507, /* 0 101 */ + 0xf507, /* 0 10 */ + 0x4f07, /* 0 110 */ + 0x4f07, /* 0 11 */ + 0xf407, /* 0 111 */ + 0xf407, /* 0 11 */ + 0x3f07, + 0x3f07, + 0xf307, /* 0 */ + 0xf307, + 0x2f07, /* 0 */ + 0x2f07, /* */ + 0xf207, /* 1 */ + 0xf207, /* */ + 0xf107, + 0xf107, + 0x1f08, + 0xf008 + +}; + + +const uint16 huffTable_32[33] = +{ + + 0x0b06, + 0x0f06, + 0x0d06, + 0x0e06, + 0x0706, + 0x0506, + 0x0905, + 0x0905, + 0x0605, + 0x0605, + 0x0305, + 0x0305, + 0x0a05, + 0x0a05, + 0x0c05, + 0x0c05, + 0x0204, + 0x0204, + 0x0204, + 0x0204, + 0x0104, + 0x0104, + 0x0104, + 0x0104, + 0x0404, + 0x0404, + 0x0404, + 0x0404, + 0x0804, + 0x0804, + 0x0804, + 0x0804, + 0x0001 + +}; + + +/* + * MM = 512; z = [0:(MM)]; a = z.^(1/3); + * Table is in Q27 + */ +const int32 power_one_third[513] = +{ + + 0x00000000, 0x08000000, 0x0A14517D, 0x0B89BA25, + 0x0CB2FF53, 0x0DAE07DE, 0x0E897685, 0x0F4DAEDD, + 0x10000000, 0x10A402FD, 0x113C4841, 0x11CAB613, + 0x1250BFE2, 0x12CF8890, 0x1347F8AB, 0x13BACD65, + 0x1428A2FA, 0x1491FC15, 0x14F74744, 0x1558E2F7, + 0x15B72095, 0x161246D7, 0x166A9399, 0x16C03D55, + 0x17137449, 0x17646369, 0x17B33124, 0x18000000, + 0x184AEF29, 0x18941AD8, 0x18DB9CB7, 0x19218C2E, + 0x1965FEA5, 0x19A907C2, 0x19EAB998, 0x1A2B24D0, + 0x1A6A58D5, 0x1AA863EE, 0x1AE5535D, 0x1B213377, + 0x1B5C0FBD, 0x1B95F2EC, 0x1BCEE70F, 0x1C06F590, + 0x1C3E2745, 0x1C74847A, 0x1CAA1501, 0x1CDEE035, + 0x1D12ED0B, 0x1D464212, 0x1D78E582, 0x1DAADD3A, + 0x1DDC2ECF, 0x1E0CDF8C, 0x1E3CF476, 0x1E6C7257, + 0x1E9B5DBA, 0x1EC9BAF6, 0x1EF78E2C, 0x1F24DB4E, + 0x1F51A620, 0x1F7DF23C, 0x1FA9C314, 0x1FD51BF2, + 0x20000000, 0x202A7244, 0x205475A6, 0x207E0CEE, + 0x20A73ACA, 0x20D001CC, 0x20F8646D, 0x2120650E, + 0x214805FA, 0x216F4963, 0x2196316C, 0x21BCC020, + 0x21E2F77A, 0x2208D961, 0x222E67AD, 0x2253A425, + 0x22789082, 0x229D2E6E, 0x22C17F82, 0x22E5854F, + 0x23094155, 0x232CB509, 0x234FE1D5, 0x2372C918, + 0x23956C26, 0x23B7CC47, 0x23D9EABB, 0x23FBC8B9, + 0x241D676E, 0x243EC7FF, 0x245FEB86, 0x2480D319, + 0x24A17FC3, 0x24C1F28B, 0x24E22C6C, 0x25022E5F, + 0x2521F954, 0x25418E33, 0x2560EDE2, 0x2580193E, + 0x259F111F, 0x25BDD657, 0x25DC69B4, 0x25FACBFE, + 0x2618FDF8, 0x26370060, 0x2654D3EF, 0x2672795C, + 0x268FF156, 0x26AD3C8A, 0x26CA5BA2, 0x26E74F41, + 0x27041808, 0x2720B695, 0x273D2B81, 0x27597762, + 0x27759ACB, 0x2791964B, 0x27AD6A6F, 0x27C917C0, + 0x27E49EC5, 0x28000000, 0x281B3BF3, 0x2836531B, + 0x285145F3, 0x286C14F5, 0x2886C096, 0x28A1494B, + 0x28BBAF85, 0x28D5F3B3, 0x28F01641, 0x290A179B, + 0x2923F82A, 0x293DB854, 0x2957587E, 0x2970D90A, + 0x298A3A59, 0x29A37CCA, 0x29BCA0BB, 0x29D5A687, + 0x29EE8E87, 0x2A075914, 0x2A200684, 0x2A38972C, + 0x2A510B5F, 0x2A696370, 0x2A819FAE, 0x2A99C069, + 0x2AB1C5ED, 0x2AC9B088, 0x2AE18085, 0x2AF9362C, + 0x2B10D1C6, 0x2B28539B, 0x2B3FBBEF, 0x2B570B09, + 0x2B6E412B, 0x2B855E97, 0x2B9C6390, 0x2BB35056, + 0x2BCA2527, 0x2BE0E242, 0x2BF787E4, 0x2C0E1649, + 0x2C248DAD, 0x2C3AEE4A, 0x2C513859, 0x2C676C13, + 0x2C7D89AF, 0x2C939164, 0x2CA98368, 0x2CBF5FF1, + 0x2CD52731, 0x2CEAD95E, 0x2D0076A9, 0x2D15FF45, + 0x2D2B7363, 0x2D40D332, 0x2D561EE4, 0x2D6B56A7, + 0x2D807AAA, 0x2D958B19, 0x2DAA8823, 0x2DBF71F4, + 0x2DD448B7, 0x2DE90C98, 0x2DFDBDC0, 0x2E125C5C, + 0x2E26E892, 0x2E3B628D, 0x2E4FCA75, 0x2E642070, + 0x2E7864A8, 0x2E8C9741, 0x2EA0B862, 0x2EB4C831, + 0x2EC8C6D3, 0x2EDCB46C, 0x2EF09121, 0x2F045D14, + 0x2F18186A, 0x2F2BC345, 0x2F3F5DC7, 0x2F52E812, + 0x2F666247, 0x2F79CC88, 0x2F8D26F4, 0x2FA071AC, + 0x2FB3ACD0, 0x2FC6D87F, 0x2FD9F4D7, 0x2FED01F8, + 0x30000000, 0x3012EF0C, 0x3025CF39, 0x3038A0A6, + 0x304B636D, 0x305E17AD, 0x3070BD81, 0x30835504, + 0x3095DE51, 0x30A85985, 0x30BAC6B9, 0x30CD2609, + 0x30DF778D, 0x30F1BB60, 0x3103F19C, 0x31161A59, + 0x312835B0, 0x313A43BA, 0x314C4490, 0x315E3849, + 0x31701EFD, 0x3181F8C4, 0x3193C5B4, 0x31A585E6, + 0x31B7396F, 0x31C8E066, 0x31DA7AE1, 0x31EC08F6, + 0x31FD8ABC, 0x320F0047, 0x322069AC, 0x3231C702, + 0x3243185C, 0x32545DCF, 0x32659770, 0x3276C552, + 0x3287E78A, 0x3298FE2C, 0x32AA094A, 0x32BB08F9, + 0x32CBFD4A, 0x32DCE652, 0x32EDC423, 0x32FE96D0, + 0x330F5E6A, 0x33201B04, 0x3330CCB0, 0x33417380, + 0x33520F85, 0x3362A0D0, 0x33732774, 0x3383A380, + 0x33941506, 0x33A47C17, 0x33B4D8C4, 0x33C52B1B, + 0x33D5732F, 0x33E5B10F, 0x33F5E4CA, 0x34060E71, + 0x34162E14, 0x342643C1, 0x34364F88, 0x34465178, + 0x345649A1, 0x34663810, 0x34761CD6, 0x3485F800, + 0x3495C99D, 0x34A591BB, 0x34B55069, 0x34C505B4, + 0x34D4B1AB, 0x34E4545B, 0x34F3EDD2, 0x35037E1D, + 0x3513054B, 0x35228367, 0x3531F881, 0x354164A3, + 0x3550C7DC, 0x35602239, 0x356F73C5, 0x357EBC8E, + 0x358DFCA0, 0x359D3408, 0x35AC62D1, 0x35BB8908, + 0x35CAA6B9, 0x35D9BBF0, 0x35E8C8B9, 0x35F7CD20, + 0x3606C92F, 0x3615BCF3, 0x3624A878, 0x36338BC8, + 0x364266EE, 0x365139F6, 0x366004EC, 0x366EC7D9, + 0x367D82C9, 0x368C35C6, 0x369AE0DC, 0x36A98414, + 0x36B81F7A, 0x36C6B317, 0x36D53EF7, 0x36E3C323, + 0x36F23FA5, 0x3700B488, 0x370F21D5, 0x371D8797, + 0x372BE5D7, 0x373A3CA0, 0x37488BF9, 0x3756D3EF, + 0x37651489, 0x37734DD1, 0x37817FD1, 0x378FAA92, + 0x379DCE1D, 0x37ABEA7C, 0x37B9FFB7, 0x37C80DD7, + 0x37D614E6, 0x37E414EC, 0x37F20DF1, 0x38000000, + 0x380DEB20, 0x381BCF5A, 0x3829ACB6, 0x3837833D, + 0x384552F8, 0x38531BEE, 0x3860DE28, 0x386E99AF, + 0x387C4E89, 0x3889FCC0, 0x3897A45B, 0x38A54563, + 0x38B2DFDF, 0x38C073D7, 0x38CE0152, 0x38DB885A, + 0x38E908F4, 0x38F68329, 0x3903F701, 0x39116483, + 0x391ECBB6, 0x392C2CA1, 0x3939874D, 0x3946DBC0, + 0x39542A01, 0x39617218, 0x396EB40C, 0x397BEFE4, + 0x398925A7, 0x3996555C, 0x39A37F09, 0x39B0A2B7, + 0x39BDC06A, 0x39CAD82B, 0x39D7EA01, 0x39E4F5F0, + 0x39F1FC01, 0x39FEFC3A, 0x3A0BF6A2, 0x3A18EB3E, + 0x3A25DA16, 0x3A32C32F, 0x3A3FA691, 0x3A4C8441, + 0x3A595C46, 0x3A662EA6, 0x3A72FB67, 0x3A7FC28F, + 0x3A8C8425, 0x3A99402E, 0x3AA5F6B1, 0x3AB2A7B3, + 0x3ABF533A, 0x3ACBF94D, 0x3AD899F1, 0x3AE5352C, + 0x3AF1CB03, 0x3AFE5B7D, 0x3B0AE6A0, 0x3B176C70, + 0x3B23ECF3, 0x3B306830, 0x3B3CDE2C, 0x3B494EEB, + 0x3B55BA74, 0x3B6220CC, 0x3B6E81F9, 0x3B7ADE00, + 0x3B8734E5, 0x3B9386B0, 0x3B9FD364, 0x3BAC1B07, + 0x3BB85D9E, 0x3BC49B2F, 0x3BD0D3BE, 0x3BDD0751, + 0x3BE935ED, 0x3BF55F97, 0x3C018453, 0x3C0DA427, + 0x3C19BF17, 0x3C25D52A, 0x3C31E662, 0x3C3DF2C6, + 0x3C49FA5B, 0x3C55FD24, 0x3C61FB27, 0x3C6DF468, + 0x3C79E8ED, 0x3C85D8B9, 0x3C91C3D2, 0x3C9DAA3C, + 0x3CA98BFC, 0x3CB56915, 0x3CC1418E, 0x3CCD156A, + 0x3CD8E4AE, 0x3CE4AF5E, 0x3CF0757F, 0x3CFC3714, + 0x3D07F423, 0x3D13ACB0, 0x3D1F60BF, 0x3D2B1055, + 0x3D36BB75, 0x3D426224, 0x3D4E0466, 0x3D59A23F, + 0x3D653BB4, 0x3D70D0C8, 0x3D7C6180, 0x3D87EDE0, + 0x3D9375EC, 0x3D9EF9A8, 0x3DAA7918, 0x3DB5F43F, + 0x3DC16B23, 0x3DCCDDC7, 0x3DD84C2E, 0x3DE3B65D, + 0x3DEF1C58, 0x3DFA7E22, 0x3E05DBC0, 0x3E113535, + 0x3E1C8A85, 0x3E27DBB3, 0x3E3328C4, 0x3E3E71BB, + 0x3E49B69C, 0x3E54F76B, 0x3E60342B, 0x3E6B6CE0, + 0x3E76A18D, 0x3E81D237, 0x3E8CFEE0, 0x3E98278D, + 0x3EA34C40, 0x3EAE6CFE, 0x3EB989CA, 0x3EC4A2A8, + 0x3ECFB79A, 0x3EDAC8A5, 0x3EE5D5CB, 0x3EF0DF10, + 0x3EFBE478, 0x3F06E606, 0x3F11E3BE, 0x3F1CDDA2, + 0x3F27D3B6, 0x3F32C5FD, 0x3F3DB47B, 0x3F489F32, + 0x3F538627, 0x3F5E695C, 0x3F6948D5, 0x3F742494, + 0x3F7EFC9D, 0x3F89D0F3, 0x3F94A19A, 0x3F9F6E94, + 0x3FAA37E4, 0x3FB4FD8E, 0x3FBFBF94, 0x3FCA7DFB, + 0x3FD538C4, 0x3FDFEFF3, 0x3FEAA38A, 0x3FF5538E, + 0x40000000 +}; + + diff --git a/sources/pvmp3dec/src/pvmp3_tables.h b/sources/pvmp3dec/src/pvmp3_tables.h new file mode 100644 index 00000000..b54c5bf7 --- /dev/null +++ b/sources/pvmp3dec/src/pvmp3_tables.h @@ -0,0 +1,124 @@ +/* ------------------------------------------------------------------ + * Copyright (C) 1998-2009 PacketVideo + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either + * express or implied. + * See the License for the specific language governing permissions + * and limitations under the License. + * ------------------------------------------------------------------- + */ +/* + Filename: pvmp3_tables.h + + Date: 09/21/2007 + +------------------------------------------------------------------------------ + REVISION HISTORY + + Description: +------------------------------------------------------------------------------ + INCLUDE DESCRIPTION + +------------------------------------------------------------------------------ +*/ + +#ifndef PVMP3_TABLES_H +#define PVMP3_TABLES_H + +/*---------------------------------------------------------------------------- +; INCLUDES +----------------------------------------------------------------------------*/ + +#include "pvmp3_dec_defs.h" +#include "pv_mp3_huffman.h" + +/*---------------------------------------------------------------------------- +; MACROS +; Define module specific macros here +----------------------------------------------------------------------------*/ + +/*---------------------------------------------------------------------------- +; EXTERNAL VARIABLES REFERENCES +----------------------------------------------------------------------------*/ + +/*---------------------------------------------------------------------------- +; DEFINES AND SIMPLE TYPEDEF'S +----------------------------------------------------------------------------*/ +#define Qfmt_28(a) (int32(double(0x10000000)*a)) + +/*---------------------------------------------------------------------------- +; SIMPLE TYPEDEF'S +----------------------------------------------------------------------------*/ + +/*---------------------------------------------------------------------------- +; ENUMERATED TYPEDEF'S +----------------------------------------------------------------------------*/ + +/*---------------------------------------------------------------------------- +; STRUCTURES TYPEDEF'S +----------------------------------------------------------------------------*/ + +typedef struct +{ + int16 l[23]; + int16 s[14]; +} mp3_scaleFactorBandIndex; + + + +/*---------------------------------------------------------------------------- +; GLOBAL FUNCTION DEFINITIONS +; Function Prototype declaration +----------------------------------------------------------------------------*/ + +#ifdef __cplusplus +extern "C" +{ +#endif + + extern const int32 mp3_s_freq[4][4]; + extern const int32 inv_sfreq[4]; + extern const int16 mp3_bitrate[3][15]; + extern const int32 power_one_third[513]; + + extern const mp3_scaleFactorBandIndex mp3_sfBandIndex[9]; + extern const int32 mp3_shortwindBandWidths[9][13]; + extern const int32 pqmfSynthWin[(HAN_SIZE/2) + 8]; + + + extern const uint16 huffTable_1[]; + extern const uint16 huffTable_2[]; + extern const uint16 huffTable_3[]; + extern const uint16 huffTable_5[]; + extern const uint16 huffTable_6[]; + extern const uint16 huffTable_7[]; + extern const uint16 huffTable_8[]; + extern const uint16 huffTable_9[]; + extern const uint16 huffTable_10[]; + extern const uint16 huffTable_11[]; + extern const uint16 huffTable_12[]; + extern const uint16 huffTable_13[]; + extern const uint16 huffTable_15[]; + extern const uint16 huffTable_16[]; + extern const uint16 huffTable_24[]; + extern const uint16 huffTable_32[]; + extern const uint16 huffTable_33[]; + + +#ifdef __cplusplus +} +#endif + +/*---------------------------------------------------------------------------- +; END +----------------------------------------------------------------------------*/ + +#endif diff --git a/sources/pvmp3dec/src/s_huffcodetab.h b/sources/pvmp3dec/src/s_huffcodetab.h new file mode 100644 index 00000000..874943df --- /dev/null +++ b/sources/pvmp3dec/src/s_huffcodetab.h @@ -0,0 +1,98 @@ +/* ------------------------------------------------------------------ + * Copyright (C) 1998-2009 PacketVideo + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either + * express or implied. + * See the License for the specific language governing permissions + * and limitations under the License. + * ------------------------------------------------------------------- + */ +/* +------------------------------------------------------------------------------ + + PacketVideo Corp. + MP3 Decoder Library + + Filename: s_huffcodetab.h + + Date: 09/21/2007 + +------------------------------------------------------------------------------ + REVISION HISTORY + + Description: +------------------------------------------------------------------------------ + INCLUDE DESCRIPTION + + +------------------------------------------------------------------------------ + REFERENCES + + [1] ISO MPEG Audio Subgroup Software Simulation Group (1996) + ISO 13818-3 MPEG-2 Audio Decoder - Lower Sampling Frequency Extension + +----------------------------------------------------------------------------*/ +/*---------------------------------------------------------------------------- +; CONTINUE ONLY IF NOT ALREADY DEFINED +----------------------------------------------------------------------------*/ +#ifndef S_HUFFCODETAB_H +#define S_HUFFCODETAB_H + +/*---------------------------------------------------------------------------- +; INCLUDES +----------------------------------------------------------------------------*/ +#include "pvmp3_audio_type_defs.h" + +/*---------------------------------------------------------------------------- +; MACROS +; Define module specific macros here +----------------------------------------------------------------------------*/ + +/*---------------------------------------------------------------------------- +; DEFINES +; Include all pre-processor statements here. +----------------------------------------------------------------------------*/ +#define HUFF_TBL 34 + +/*---------------------------------------------------------------------------- +; EXTERNAL VARIABLES REFERENCES +; Declare variables used in this module but defined elsewhere +----------------------------------------------------------------------------*/ + +/*---------------------------------------------------------------------------- +; SIMPLE TYPEDEF'S +----------------------------------------------------------------------------*/ + +/*---------------------------------------------------------------------------- +; ENUMERATED TYPEDEF'S +----------------------------------------------------------------------------*/ + +/*---------------------------------------------------------------------------- +; STRUCTURES TYPEDEF'S +----------------------------------------------------------------------------*/ + +struct huffcodetab +{ + uint32 linbits; /*number of linbits */ + uint16(*pdec_huff_tab)(tmp3Bits *); +}; + + +/*---------------------------------------------------------------------------- +; GLOBAL FUNCTION DEFINITIONS +; Function Prototype declaration +----------------------------------------------------------------------------*/ + +/*---------------------------------------------------------------------------- +; END +----------------------------------------------------------------------------*/ +#endif + diff --git a/sources/pvmp3dec/src/s_mp3bits.h b/sources/pvmp3dec/src/s_mp3bits.h new file mode 100644 index 00000000..b905b9a6 --- /dev/null +++ b/sources/pvmp3dec/src/s_mp3bits.h @@ -0,0 +1,107 @@ +/* ------------------------------------------------------------------ + * Copyright (C) 1998-2009 PacketVideo + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either + * express or implied. + * See the License for the specific language governing permissions + * and limitations under the License. + * ------------------------------------------------------------------- + */ +/* +------------------------------------------------------------------------------ + PacketVideo Corp. + MP3 Decoder Library + + Filename: s_mp3bits.h + + Date: 09/21/2007 + +------------------------------------------------------------------------------ + REVISION HISTORY + + Description: + +------------------------------------------------------------------------------ + INCLUDE DESCRIPTION + + This include file defines the structure, BITS + +------------------------------------------------------------------------------ +*/ + +/*---------------------------------------------------------------------------- +; CONTINUE ONLY IF NOT ALREADY DEFINED +----------------------------------------------------------------------------*/ +#ifndef S_MP3BITS_H +#define S_MP3BITS_H + +/*---------------------------------------------------------------------------- +; INCLUDES +----------------------------------------------------------------------------*/ +#include "pvmp3_audio_type_defs.h" + +/*---------------------------------------------------------------------------- +; MACROS +; Define module specific macros here +----------------------------------------------------------------------------*/ + +/*---------------------------------------------------------------------------- +; DEFINES +; Include all pre-processor statements here. +----------------------------------------------------------------------------*/ + +/*---------------------------------------------------------------------------- +; EXTERNAL VARIABLES REFERENCES +; Declare variables used in this module but defined elsewhere +----------------------------------------------------------------------------*/ + +/*---------------------------------------------------------------------------- +; SIMPLE TYPEDEF'S +----------------------------------------------------------------------------*/ + +/*---------------------------------------------------------------------------- +; ENUMERATED TYPEDEF'S +----------------------------------------------------------------------------*/ + +/*---------------------------------------------------------------------------- +; STRUCTURES TYPEDEF'S +----------------------------------------------------------------------------*/ +/* + * Name: BITS + * Description: Holds information for processing the input data buffer + * as a "stream". The data is in packed format. + * Fields: + * pBuffer - pointer to the beginning of the buffer. If the data type of + * this changes, make sure to update the constants in ibstream.h + * usedBits - number of bits read thus far from the buffer. Bit 0 is + * the LSB of pBuffer[0]. + */ + + +typedef struct +{ + uint8 *pBuffer; + uint32 usedBits; + uint32 inputBufferCurrentLength; + uint32 offset; +} tmp3Bits; + + +/*---------------------------------------------------------------------------- +; GLOBAL FUNCTION DEFINITIONS +; Function Prototype declaration +----------------------------------------------------------------------------*/ + +/*---------------------------------------------------------------------------- +; END +----------------------------------------------------------------------------*/ +#endif + diff --git a/sources/pvmp3dec/src/s_tmp3dec_chan.h b/sources/pvmp3dec/src/s_tmp3dec_chan.h new file mode 100644 index 00000000..6eb8835f --- /dev/null +++ b/sources/pvmp3dec/src/s_tmp3dec_chan.h @@ -0,0 +1,110 @@ +/* ------------------------------------------------------------------ + * Copyright (C) 1998-2009 PacketVideo + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either + * express or implied. + * See the License for the specific language governing permissions + * and limitations under the License. + * ------------------------------------------------------------------- + */ +/* +------------------------------------------------------------------------------ + PacketVideo Corp. + MP3 Decoder Library + + Filename: s_tmp3dec_chan.h + + Date: 09/21/2007 + +------------------------------------------------------------------------------ + REVISION HISTORY + + Description: + +------------------------------------------------------------------------------ + INCLUDE DESCRIPTION + + This include file defines the structure, tmp3dec_chan. + This structure contains information per channel that needs to persist + between calls + +------------------------------------------------------------------------------ +*/ + +/*---------------------------------------------------------------------------- +; CONTINUE ONLY IF NOT ALREADY DEFINED +----------------------------------------------------------------------------*/ +#ifndef S_TMP3DEC_CHAN_H +#define S_TMP3DEC_CHAN_H + +/*---------------------------------------------------------------------------- +; INCLUDES +----------------------------------------------------------------------------*/ +#include "pvmp3_audio_type_defs.h" +#include "pvmp3_dec_defs.h" + +/*---------------------------------------------------------------------------- +; MACROS +; Define module specific macros here +----------------------------------------------------------------------------*/ + +/*---------------------------------------------------------------------------- +; DEFINES +; Include all pre-processor statements here. +----------------------------------------------------------------------------*/ + +/*---------------------------------------------------------------------------- +; EXTERNAL VARIABLES REFERENCES +; Declare variables used in this module but defined elsewhere +----------------------------------------------------------------------------*/ + +/*---------------------------------------------------------------------------- +; SIMPLE TYPEDEF'S +----------------------------------------------------------------------------*/ + +/*---------------------------------------------------------------------------- +; ENUMERATED TYPEDEF'S +----------------------------------------------------------------------------*/ + +/*---------------------------------------------------------------------------- +; STRUCTURES TYPEDEF'S +----------------------------------------------------------------------------*/ +#ifdef __cplusplus +extern "C" +{ +#endif + + typedef struct + { + int32 used_freq_lines; + int32 overlap[SUBBANDS_NUMBER*FILTERBANK_BANDS]; + int32 work_buf_int32[SUBBANDS_NUMBER*FILTERBANK_BANDS]; /* working buffer */ + int32 circ_buffer[480 + 576]; + + } tmp3dec_chan; + + +#ifdef __cplusplus +} +#endif + +/*---------------------------------------------------------------------------- +; GLOBAL FUNCTION DEFINITIONS +; Function Prototype declaration +----------------------------------------------------------------------------*/ + +/*---------------------------------------------------------------------------- +; END +----------------------------------------------------------------------------*/ + +#endif + + diff --git a/sources/pvmp3dec/src/s_tmp3dec_file.h b/sources/pvmp3dec/src/s_tmp3dec_file.h new file mode 100644 index 00000000..611e08fb --- /dev/null +++ b/sources/pvmp3dec/src/s_tmp3dec_file.h @@ -0,0 +1,118 @@ +/* ------------------------------------------------------------------ + * Copyright (C) 1998-2009 PacketVideo + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either + * express or implied. + * See the License for the specific language governing permissions + * and limitations under the License. + * ------------------------------------------------------------------- + */ +/* +------------------------------------------------------------------------------ + PacketVideo Corp. + MP3 Decoder Library + + Filename: s_tmp3dec_file.h + + Date: 09/21/2007 + +------------------------------------------------------------------------------ + REVISION HISTORY + + Description: + +------------------------------------------------------------------------------ + INCLUDE DESCRIPTION + + This include file defines the structure, tmp3dec_file. + This structure contains information that needs to persist between calls + +------------------------------------------------------------------------------ +*/ + +/*---------------------------------------------------------------------------- +; CONTINUE ONLY IF NOT ALREADY DEFINED +----------------------------------------------------------------------------*/ +#ifndef S_TMP3DEC_FILE_H +#define S_TMP3DEC_FILE_H + +/*---------------------------------------------------------------------------- +; INCLUDES +----------------------------------------------------------------------------*/ +#include "s_tmp3dec_chan.h" +#include "s_mp3bits.h" +#include "s_huffcodetab.h" + +/*---------------------------------------------------------------------------- +; MACROS +; Define module specific macros here +----------------------------------------------------------------------------*/ + +/*---------------------------------------------------------------------------- +; DEFINES +; Include all pre-processor statements here. +----------------------------------------------------------------------------*/ + +/*---------------------------------------------------------------------------- +; EXTERNAL VARIABLES REFERENCES +; Declare variables used in this module but defined elsewhere +----------------------------------------------------------------------------*/ + +/*---------------------------------------------------------------------------- +; SIMPLE TYPEDEF'S +----------------------------------------------------------------------------*/ + +/*---------------------------------------------------------------------------- +; ENUMERATED TYPEDEF'S +----------------------------------------------------------------------------*/ + +/*---------------------------------------------------------------------------- +; STRUCTURES TYPEDEF'S +----------------------------------------------------------------------------*/ +#ifdef __cplusplus +extern "C" +{ +#endif + + typedef struct + { + int32 num_channels; + int32 predicted_frame_size; + int32 frame_start; + int32 Scratch_mem[198]; + tmp3dec_chan perChan[CHAN]; + mp3ScaleFactors scaleFactors[CHAN]; + mp3SideInfo sideInfo; + tmp3Bits mainDataStream; + uint8 mainDataBuffer[BUFSIZE]; + tmp3Bits inputStream; + huffcodetab ht[HUFF_TBL]; + } tmp3dec_file; + + +#ifdef __cplusplus +} +#endif + +/*---------------------------------------------------------------------------- +; GLOBAL FUNCTION DEFINITIONS +; Function Prototype declaration +----------------------------------------------------------------------------*/ + +/*---------------------------------------------------------------------------- +; END +----------------------------------------------------------------------------*/ + +#endif + + + + diff --git a/sources/tremolo/Android.mk b/sources/tremolo/Android.mk new file mode 100644 index 00000000..6fad9e78 --- /dev/null +++ b/sources/tremolo/Android.mk @@ -0,0 +1,45 @@ +LOCAL_PATH := $(call my-dir) +include $(CLEAR_VARS) + +LOCAL_SRC_FILES = \ + Tremolo/bitwise.c \ + Tremolo/codebook.c \ + Tremolo/dsp.c \ + Tremolo/floor0.c \ + Tremolo/floor1.c \ + Tremolo/floor_lookup.c \ + Tremolo/framing.c \ + Tremolo/mapping0.c \ + Tremolo/mdct.c \ + Tremolo/misc.c \ + Tremolo/res012.c \ + Tremolo/treminfo.c \ + Tremolo/vorbisfile.c + +ifeq ($(TARGET_ARCH),arm) +LOCAL_SRC_FILES += \ + Tremolo/bitwiseARM.s \ + Tremolo/dpen.s \ + Tremolo/floor1ARM.s \ + Tremolo/mdctARM.s +LOCAL_CFLAGS += \ + -D_ARM_ASSEM_ +# Assembly code in asm_arm.h does not compile with Clang. +LOCAL_CLANG_ASFLAGS_arm += \ + -no-integrated-as +else +LOCAL_CFLAGS += \ + -DONLY_C +endif +LOCAL_CFLAGS+= -O2 + +LOCAL_C_INCLUDES:= \ + $(LOCAL_PATH)/Tremolo + +LOCAL_SHARED_LIBRARIES := liblog + +LOCAL_ARM_MODE := arm + +LOCAL_MODULE := libvorbisidec + +include $(BUILD_STATIC_LIBRARY) diff --git a/sources/tremolo/CleanSpec.mk b/sources/tremolo/CleanSpec.mk new file mode 100644 index 00000000..b84e1b65 --- /dev/null +++ b/sources/tremolo/CleanSpec.mk @@ -0,0 +1,49 @@ +# Copyright (C) 2007 The Android Open Source Project +# +# Licensed under the Apache License, Version 2.0 (the "License"); +# you may not use this file except in compliance with the License. +# You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +# See the License for the specific language governing permissions and +# limitations under the License. +# + +# If you don't need to do a full clean build but would like to touch +# a file or delete some intermediate files, add a clean step to the end +# of the list. These steps will only be run once, if they haven't been +# run before. +# +# E.g.: +# $(call add-clean-step, touch -c external/sqlite/sqlite3.h) +# $(call add-clean-step, rm -rf $(PRODUCT_OUT)/obj/STATIC_LIBRARIES/libz_intermediates) +# +# Always use "touch -c" and "rm -f" or "rm -rf" to gracefully deal with +# files that are missing or have been moved. +# +# Use $(PRODUCT_OUT) to get to the "out/target/product/blah/" directory. +# Use $(OUT_DIR) to refer to the "out" directory. +# +# If you need to re-do something that's already mentioned, just copy +# the command and add it to the bottom of the list. E.g., if a change +# that you made last week required touching a file and a change you +# made today requires touching the same file, just copy the old +# touch step and add it to the end of the list. +# +# ************************************************ +# NEWER CLEAN STEPS MUST BE AT THE END OF THE LIST +# ************************************************ + +# For example: +#$(call add-clean-step, rm -rf $(OUT_DIR)/target/common/obj/APPS/AndroidTests_intermediates) +#$(call add-clean-step, rm -rf $(OUT_DIR)/target/common/obj/JAVA_LIBRARIES/core_intermediates) +#$(call add-clean-step, find $(OUT_DIR) -type f -name "IGTalkSession*" -print0 | xargs -0 rm -f) +#$(call add-clean-step, rm -rf $(PRODUCT_OUT)/data/*) + +# ************************************************ +# NEWER CLEAN STEPS MUST BE AT THE END OF THE LIST +# ************************************************ diff --git a/sources/tremolo/MODULE_LICENSE_BSD_LIKE b/sources/tremolo/MODULE_LICENSE_BSD_LIKE new file mode 100644 index 00000000..e69de29b diff --git a/sources/tremolo/NOTICE b/sources/tremolo/NOTICE new file mode 100644 index 00000000..e4fd53f2 --- /dev/null +++ b/sources/tremolo/NOTICE @@ -0,0 +1,30 @@ +Copyright (C) 2002-2009, Xiph.org Foundation +Copyright (C) 2010, Robin Watts for Pinknoise Productions Ltd +All rights reserved. + +Redistribution and use in source and binary forms, with or without +modification, are permitted provided that the following conditions +are met: + + * Redistributions of source code must retain the above copyright +notice, this list of conditions and the following disclaimer. + * Redistributions in binary form must reproduce the above +copyright notice, this list of conditions and the following disclaimer +in the documentation and/or other materials provided with the +distribution. + * Neither the names of the Xiph.org Foundation nor Pinknoise +Productions Ltd nor the names of its contributors may be used to +endorse or promote products derived from this software without +specific prior written permission. + +THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. diff --git a/sources/tremolo/README b/sources/tremolo/README new file mode 100644 index 00000000..f1a1151e --- /dev/null +++ b/sources/tremolo/README @@ -0,0 +1,8 @@ +This version of Tremolo is derived from Tremolo library version +0.07. It has been patched against publicly known vulnerabilities +with sample files available here: + + http://static.dataspill.org/releases/ogg/examples/ + +When syncing with svn, please ensure that these defects are not +reintroduced. diff --git a/sources/tremolo/README.version b/sources/tremolo/README.version new file mode 100644 index 00000000..fe58e9d0 --- /dev/null +++ b/sources/tremolo/README.version @@ -0,0 +1,3 @@ +URL: http://wss.co.uk/pinknoise/tremolo/Tremolo007.zip +Version: 0.07 +BugComponent: 99142 diff --git a/sources/tremolo/Tremolo/asm_arm.h b/sources/tremolo/Tremolo/asm_arm.h new file mode 100644 index 00000000..6303b871 --- /dev/null +++ b/sources/tremolo/Tremolo/asm_arm.h @@ -0,0 +1,265 @@ +/************************************************************************ + * Copyright (C) 2002-2009, Xiph.org Foundation + * Copyright (C) 2010, Robin Watts for Pinknoise Productions Ltd + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above + * copyright notice, this list of conditions and the following disclaimer + * in the documentation and/or other materials provided with the + * distribution. + * * Neither the names of the Xiph.org Foundation nor Pinknoise + * Productions Ltd nor the names of its contributors may be used to + * endorse or promote products derived from this software without + * specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + ************************************************************************ + + function: arm7 and later wide math functions + + ************************************************************************/ + +#ifdef _ARM_ASSEM_ + +#if !defined(_V_WIDE_MATH) && !defined(_LOW_ACCURACY_) +#define _V_WIDE_MATH + +static inline ogg_int32_t MULT32(ogg_int32_t x, ogg_int32_t y) { + int lo,hi; + asm volatile("smull\t%0, %1, %2, %3" + : "=&r"(lo),"=&r"(hi) + : "%r"(x),"r"(y) + : "cc"); + return(hi); +} + +static inline ogg_int32_t MULT31(ogg_int32_t x, ogg_int32_t y) { + return MULT32(x,y)<<1; +} + +static inline ogg_int32_t MULT31_SHIFT15(ogg_int32_t x, ogg_int32_t y) { + int lo,hi; + asm volatile("smull %0, %1, %2, %3\n\t" + "movs %0, %0, lsr #15\n\t" + "adc %1, %0, %1, lsl #17\n\t" + : "=&r"(lo),"=&r"(hi) + : "%r"(x),"r"(y) + : "cc"); + return(hi); +} + +#define MB() asm volatile ("" : : : "memory") + +static inline void XPROD32(ogg_int32_t a, ogg_int32_t b, + ogg_int32_t t, ogg_int32_t v, + ogg_int32_t *x, ogg_int32_t *y) +{ + int x1, y1, l; + asm( "smull %0, %1, %4, %6\n\t" + "smlal %0, %1, %5, %7\n\t" + "rsb %3, %4, #0\n\t" + "smull %0, %2, %5, %6\n\t" + "smlal %0, %2, %3, %7" + : "=&r" (l), "=&r" (x1), "=&r" (y1), "=r" (a) + : "3" (a), "r" (b), "r" (t), "r" (v) + : "cc" ); + *x = x1; + MB(); + *y = y1; +} + +/* x = (a*t + b*v)>>31, y = (b*t - a*v)>>31 */ +static inline void XPROD31(ogg_int32_t a, ogg_int32_t b, + ogg_int32_t t, ogg_int32_t v, + ogg_int32_t *x, ogg_int32_t *y) +{ + int x1, y1, l; + asm( "smull %0, %1, %4, %6\n\t" + "smlal %0, %1, %5, %7\n\t" + "rsb %3, %4, #0\n\t" + "smull %0, %2, %5, %6\n\t" + "smlal %0, %2, %3, %7" + : "=&r" (l), "=&r" (x1), "=&r" (y1), "=r" (a) + : "3" (a), "r" (b), "r" (t), "r" (v) + : "cc" ); + *x = x1 << 1; + MB(); + *y = y1 << 1; +} + +/* x = (a*t - b*v)>>31, y = (b*t + a*v)>>31 */ +static inline void XNPROD31(ogg_int32_t a, ogg_int32_t b, + ogg_int32_t t, ogg_int32_t v, + ogg_int32_t *x, ogg_int32_t *y) +{ + int x1, y1, l; + asm( "rsb %2, %4, #0\n\t" + "smull %0, %1, %3, %5\n\t" + "smlal %0, %1, %2, %6\n\t" + "smull %0, %2, %4, %5\n\t" + "smlal %0, %2, %3, %6" + : "=&r" (l), "=&r" (x1), "=&r" (y1) + : "r" (a), "r" (b), "r" (t), "r" (v) + : "cc" ); + *x = x1 << 1; + MB(); + *y = y1 << 1; +} + +#endif + +#ifndef _V_CLIP_MATH +#define _V_CLIP_MATH + +static inline ogg_int32_t CLIP_TO_15(ogg_int32_t x) { + int tmp; + asm volatile("subs %1, %0, #32768\n\t" + "movpl %0, #0x7f00\n\t" + "orrpl %0, %0, #0xff\n" + "adds %1, %0, #32768\n\t" + "movmi %0, #0x8000" + : "+r"(x),"=r"(tmp) + : + : "cc"); + return(x); +} + +#endif + +#ifndef _V_LSP_MATH_ASM +#define _V_LSP_MATH_ASM + +static inline void lsp_loop_asm(ogg_uint32_t *qip,ogg_uint32_t *pip, + ogg_int32_t *qexpp, + ogg_int32_t *ilsp,ogg_int32_t wi, + ogg_int32_t m){ + + ogg_uint32_t qi=*qip,pi=*pip; + ogg_int32_t qexp=*qexpp; + + asm("mov r0,%3;" + "mov r1,%5,asr#1;" + "add r0,r0,r1,lsl#3;" + "1:" + + "ldmdb r0!,{r1,r3};" + "subs r1,r1,%4;" //ilsp[j]-wi + "rsbmi r1,r1,#0;" //labs(ilsp[j]-wi) + "umull %0,r2,r1,%0;" //qi*=labs(ilsp[j]-wi) + + "subs r1,r3,%4;" //ilsp[j+1]-wi + "rsbmi r1,r1,#0;" //labs(ilsp[j+1]-wi) + "umull %1,r3,r1,%1;" //pi*=labs(ilsp[j+1]-wi) + + "cmn r2,r3;" // shift down 16? + "beq 0f;" + "add %2,%2,#16;" + "mov %0,%0,lsr #16;" + "orr %0,%0,r2,lsl #16;" + "mov %1,%1,lsr #16;" + "orr %1,%1,r3,lsl #16;" + "0:" + "cmp r0,%3;\n" + "bhi 1b;\n" + + // odd filter assymetry + "ands r0,%5,#1;\n" + "beq 2f;\n" + "add r0,%3,%5,lsl#2;\n" + + "ldr r1,[r0,#-4];\n" + "mov r0,#0x4000;\n" + + "subs r1,r1,%4;\n" //ilsp[j]-wi + "rsbmi r1,r1,#0;\n" //labs(ilsp[j]-wi) + "umull %0,r2,r1,%0;\n" //qi*=labs(ilsp[j]-wi) + "umull %1,r3,r0,%1;\n" //pi*=labs(ilsp[j+1]-wi) + + "cmn r2,r3;\n" // shift down 16? + "beq 2f;\n" + "add %2,%2,#16;\n" + "mov %0,%0,lsr #16;\n" + "orr %0,%0,r2,lsl #16;\n" + "mov %1,%1,lsr #16;\n" + "orr %1,%1,r3,lsl #16;\n" + + //qi=(pi>>shift)*labs(ilsp[j]-wi); + //pi=(qi>>shift)*labs(ilsp[j+1]-wi); + //qexp+=shift; + + //} + + /* normalize to max 16 sig figs */ + "2:" + "mov r2,#0;" + "orr r1,%0,%1;" + "tst r1,#0xff000000;" + "addne r2,r2,#8;" + "movne r1,r1,lsr #8;" + "tst r1,#0x00f00000;" + "addne r2,r2,#4;" + "movne r1,r1,lsr #4;" + "tst r1,#0x000c0000;" + "addne r2,r2,#2;" + "movne r1,r1,lsr #2;" + "tst r1,#0x00020000;" + "addne r2,r2,#1;" + "movne r1,r1,lsr #1;" + "tst r1,#0x00010000;" + "addne r2,r2,#1;" + "mov %0,%0,lsr r2;" + "mov %1,%1,lsr r2;" + "add %2,%2,r2;" + + : "+r"(qi),"+r"(pi),"+r"(qexp) + : "r"(ilsp),"r"(wi),"r"(m) + : "r0","r1","r2","r3","cc"); + + *qip=qi; + *pip=pi; + *qexpp=qexp; +} + +static inline void lsp_norm_asm(ogg_uint32_t *qip,ogg_int32_t *qexpp){ + + ogg_uint32_t qi=*qip; + ogg_int32_t qexp=*qexpp; + + asm("tst %0,#0x0000ff00;" + "moveq %0,%0,lsl #8;" + "subeq %1,%1,#8;" + "tst %0,#0x0000f000;" + "moveq %0,%0,lsl #4;" + "subeq %1,%1,#4;" + "tst %0,#0x0000c000;" + "moveq %0,%0,lsl #2;" + "subeq %1,%1,#2;" + "tst %0,#0x00008000;" + "moveq %0,%0,lsl #1;" + "subeq %1,%1,#1;" + : "+r"(qi),"+r"(qexp) + : + : "cc"); + *qip=qi; + *qexpp=qexp; +} + +#endif +#endif + diff --git a/sources/tremolo/Tremolo/bitwise.c b/sources/tremolo/Tremolo/bitwise.c new file mode 100644 index 00000000..c991ca13 --- /dev/null +++ b/sources/tremolo/Tremolo/bitwise.c @@ -0,0 +1,871 @@ +/************************************************************************ + * Copyright (C) 2002-2009, Xiph.org Foundation + * Copyright (C) 2010, Robin Watts for Pinknoise Productions Ltd + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above + * copyright notice, this list of conditions and the following disclaimer + * in the documentation and/or other materials provided with the + * distribution. + * * Neither the names of the Xiph.org Foundation nor Pinknoise + * Productions Ltd nor the names of its contributors may be used to + * endorse or promote products derived from this software without + * specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + ************************************************************************ + + function: packing variable sized words into an octet stream + + ************************************************************************/ + +/* We're 'LSb' endian; if we write a word but read individual bits, + then we'll read the lsb first */ + +#include +#include +#include "misc.h" +#include "ogg.h" + +#include + + +#if !defined(ARM_LITTLE_ENDIAN) || defined(_V_BIT_TEST) +static unsigned long mask[]= +{0x00000000,0x00000001,0x00000003,0x00000007,0x0000000f, + 0x0000001f,0x0000003f,0x0000007f,0x000000ff,0x000001ff, + 0x000003ff,0x000007ff,0x00000fff,0x00001fff,0x00003fff, + 0x00007fff,0x0000ffff,0x0001ffff,0x0003ffff,0x0007ffff, + 0x000fffff,0x001fffff,0x003fffff,0x007fffff,0x00ffffff, + 0x01ffffff,0x03ffffff,0x07ffffff,0x0fffffff,0x1fffffff, + 0x3fffffff,0x7fffffff,0xffffffff }; +#endif + +#ifdef ARM_LITTLE_ENDIAN + +#ifdef DEBUGGING_BITWISE +extern void oggpack_readinitARM(oggpack_buffer *b,ogg_reference *r); + +void oggpack_readinit(oggpack_buffer *b,ogg_reference *r){ + oggpack_readinitARM(b,r); + //fprintf(stderr, "Init: buffer=(%d,%x,%d,%d) %08x%08x\n", + // b->bitsLeftInSegment, b->ptr, b->bitsLeftInWord, b->count, + // b->ptr[1], b->ptr[0]); + //fflush(stderr); +} + +extern long oggpack_lookARM(oggpack_buffer *b,int bits); + +long oggpack_look(oggpack_buffer *b,int bits){ + long l; + + //fprintf(stderr, "PreLook: buffer=(%x,%x,%x) %08x%08x (%d bits)\n", + // b->bitsLeftInSegment, b->ptr, b->bitsLeftInWord, + // b->ptr[1], b->ptr[0], bits); + //fflush(stderr); + l = oggpack_lookARM(b,bits); + //fprintf(stderr, "Look: buffer=(%d,%x,%d,%d) %08x%08x (%d bits) (result=%x)\n", + // b->bitsLeftInSegment, b->ptr, b->bitsLeftInWord, b->count, + // b->ptr[1], b->ptr[0], bits, l); + //fflush(stderr); + + return l; +} + +extern void oggpack_advARM(oggpack_buffer *b,int bits); + +void oggpack_adv(oggpack_buffer *b,int bits){ + //fprintf(stderr, "Adv before: buffer=(%x,%x,%x) %08x%08x (%d bits)\n", + // b->bitsLeftInSegment, b->ptr, b->bitsLeftInWord, + // b->ptr[1], b->ptr[0],bits); + //fflush(stderr); + oggpack_advARM(b,bits); + //fprintf(stderr, "Adv: buffer=(%d,%x,%d,%d) %08x%08x\n", + // b->bitsLeftInSegment, b->ptr, b->bitsLeftInWord, b->count, + // b->ptr[1], b->ptr[0]); + //fflush(stderr); +} + +extern long oggpack_readARM(oggpack_buffer *b,int bits); + +/* bits <= 32 */ +long oggpack_read(oggpack_buffer *b,int bits){ + long l; + + //fprintf(stderr, "PreRead: buffer=(%d,%x,%d,%d) %08x%08x (%d bits)\n", + // b->bitsLeftInSegment, b->ptr, b->bitsLeftInWord, b->count, + // b->ptr[1], b->ptr[0], bits); + //fflush(stderr); + l = oggpack_readARM(b,bits); + //fprintf(stderr, "Read: buffer=(%d,%x,%d,%d) %08x%08x (%d bits) (result=%x)\n", + // b->bitsLeftInSegment, b->ptr, b->bitsLeftInWord, b->count, + // b->ptr[1], b->ptr[0], bits, l); + //fflush(stderr); + + return l; +} +#endif + +int oggpack_eop(oggpack_buffer *b){ + int ret; + if(b->bitsLeftInSegment<0)ret= -1; + else ret = 0; + //fprintf(stderr, "EOP %d\n", ret); + //fflush(stderr); + return ret; +} + +long oggpack_bytes(oggpack_buffer *b){ + long ret; + if(b->bitsLeftInSegment<0) ret = b->count+b->head->length; + else ret = b->count + b->head->length - (b->bitsLeftInSegment)/8; + //fprintf(stderr, "count=%d length=%d bitsLeftInSegment=%d\n", + // b->count, b->head->length, b->bitsLeftInSegment); + //fflush(stderr); + return ret; +} + +long oggpack_bits(oggpack_buffer *b){ + long ret; + if(b->bitsLeftInSegment<0) ret=(b->count+b->head->length)*8; + else ret = b->count*8 + b->head->length*8 - b->bitsLeftInSegment; + //fprintf(stderr, "count=%d length=%d bitsLeftInSegment=%d\n", + // b->count, b->head->length, b->bitsLeftInSegment); + //fflush(stderr); + return ret; +} + +#else + +/* spans forward, skipping as many bytes as headend is negative; if + headend is zero, simply finds next byte. If we're up to the end + of the buffer, leaves headend at zero. If we've read past the end, + halt the decode process. */ + +static void _span(oggpack_buffer *b){ + while(b->headend-(b->headbit>>3)<1){ + b->headend-=b->headbit>>3; + b->headbit&=0x7; + + if(b->head && b->head->next){ + b->count+=b->head->length; + b->head=b->head->next; + + if(b->headend+b->head->length>0) + b->headptr=b->head->buffer->data+b->head->begin-b->headend; + + b->headend+=b->head->length; + }else{ + /* we've either met the end of decode, or gone past it. halt + only if we're past */ + if(b->headend*8headbit) + /* read has fallen off the end */ + b->headend=-1; + break; + } + } +} + +void oggpack_readinit(oggpack_buffer *b,ogg_reference *r){ + memset(b,0,sizeof(*b)); + + b->tail=b->head=r; + b->count=0; + if (b->head && r->length) { + b->headptr=b->head->buffer->data+b->head->begin; + b->headend=b->head->length; + } else { + b->headptr=0; + b->headend=0; + } + _span(b); + + //fprintf(stderr, + // "Init: buffer=(%d,%x,%d,%d) %02x%02x%02x%02x%02x%02x%02x%02x\n", + // b->headbit, b->headptr, b->headend, b->count, + // b->headptr[7], b->headptr[6], b->headptr[5], b->headptr[4], + // b->headptr[3], b->headptr[2], b->headptr[1], b->headptr[0]); + //fflush(stderr); +} + +#define _lookspan() while(!end){\ + head=head->next;\ + if(!head) return -1;\ + ptr=head->buffer->data + head->begin;\ + end=head->length;\ + } + +/* Read in bits without advancing the bitptr; bits <= 32 */ +long oggpack_look(oggpack_buffer *b,int bits){ + unsigned long m=mask[bits]; + unsigned long ret = 0; + int BITS = bits; + + if (!b->headptr) return 0; + + bits+=b->headbit; + + if(bits >= b->headend<<3){ + int end=b->headend; + unsigned char *ptr=b->headptr; + ogg_reference *head=b->head; + + if(end<0)return 0; + if (!head || !end)return 0; + + if(bits){ + _lookspan(); + ret=*ptr++>>b->headbit; + if(bits>8){ + --end; + _lookspan(); + ret|=*ptr++<<(8-b->headbit); + if(bits>16){ + --end; + _lookspan(); + ret|=*ptr++<<(16-b->headbit); + if(bits>24){ + --end; + _lookspan(); + ret|=*ptr++<<(24-b->headbit); + if(bits>32 && b->headbit){ + --end; + _lookspan(); + ret|=*ptr<<(32-b->headbit); + } + } + } + } + } + + }else{ + + /* make this a switch jump-table */ + ret=b->headptr[0]>>b->headbit; + if(bits>8){ + ret|=b->headptr[1]<<(8-b->headbit); + if(bits>16){ + ret|=b->headptr[2]<<(16-b->headbit); + if(bits>24){ + ret|=b->headptr[3]<<(24-b->headbit); + if(bits>32 && b->headbit) + ret|=b->headptr[4]<<(32-b->headbit); + } + } + } + } + + ret&=m; + //fprintf(stderr, + // "Look: buffer=(%d,%x,%d,%d) %02x%02x%02x%02x%02x%02x%02x%02x (%d bits) return=%x\n", + // b->headbit, b->headptr, b->headend, b->count, + // b->headptr[7], b->headptr[6], b->headptr[5], b->headptr[4], + // b->headptr[3], b->headptr[2], b->headptr[1], b->headptr[0], + // BITS, ret); + //fflush(stderr); + return ret; +} + +/* limited to 32 at a time */ +void oggpack_adv(oggpack_buffer *b,int bits){ + int BITS=bits; + bits+=b->headbit; + b->headbit=bits&7; + b->headend-=(bits>>3); + b->headptr+=(bits>>3); + if(b->headend<1)_span(b); + //fprintf(stderr, "Adv: buffer=(%d,%x,%d,%d) %02x%02x%02x%02x%02x%02x%02x%02x (%d bits)\n", + // b->headbit, b->headptr, b->headend,b->count, + // b->headptr[7], b->headptr[6], b->headptr[5], b->headptr[4], + // b->headptr[3], b->headptr[2], b->headptr[1], b->headptr[0], + // BITS); + //fflush(stderr); +} + +int oggpack_eop(oggpack_buffer *b){ + int ret; + if(b->headend<0)ret= -1; + else ret = 0; + //fprintf(stderr, "EOP %d\n", ret); + //fflush(stderr); + return ret; +} + +long oggpack_bytes(oggpack_buffer *b){ + long ret; + if(b->headend<0) ret = b->count+b->head->length; + ret = b->count + b->head->length-b->headend + (b->headbit+7)/8; + //fprintf(stderr, "Bytes: buffer=(%d,%x,%d,%d) %02x%02x%02x%02x%02x%02x%02x%02x (%d bytes)\n", + // b->headbit, b->headptr, b->headend, b->count, + // b->headptr[7], b->headptr[6], b->headptr[5], b->headptr[4], + // b->headptr[3], b->headptr[2], b->headptr[1], b->headptr[0], + // ret); + //fflush(stderr); + return ret; +} + +long oggpack_bits(oggpack_buffer *b){ + long ret; + if(b->headend<0) ret = (b->count+b->head->length)*8; + else ret = (b->count + b->head->length-b->headend)*8 + b->headbit; + //fprintf(stderr, "Bits: buffer=(%x,%x,%x) %02x%02x%02x%02x%02x%02x%02x%02x (%d bits)\n", + // b->headbit, b->headptr, b->headend, + // b->headptr[7], b->headptr[6], b->headptr[5], b->headptr[4], + // b->headptr[3], b->headptr[2], b->headptr[1], b->headptr[0], + // ret); + //fflush(stderr); + return ret; +} + +/* bits <= 32 */ +long oggpack_read(oggpack_buffer *b,int bits){ + long ret=oggpack_look(b,bits); + oggpack_adv(b,bits); + return(ret); +} + +#endif + +/* Self test of the bitwise routines; everything else is based on + them, so they damned well better be solid. */ + +#ifdef _V_BIT_TEST +#include +#include +#include +#include "framing.c" + +static int ilog(unsigned long v){ + int ret=0; + while(v){ + ret++; + v>>=1; + } + return(ret); +} + +oggpack_buffer r; +oggpack_buffer o; +ogg_buffer_state *bs; +ogg_reference *or; +#define TESTWORDS 256 + +void report(char *in){ + fprintf(stderr,"%s",in); + exit(1); +} + +int getbyte(ogg_reference *or,int position){ + while(or && position>=or->length){ + position-=or->length; + or=or->next; + if(or==NULL){ + fprintf(stderr,"\n\tERROR: getbyte ran off end of buffer.\n"); + exit(1); + } + } + + if((position+or->begin)&1) + return (or->buffer->data[(position+or->begin)>>1])&0xff; + else + return (or->buffer->data[(position+or->begin)>>1]>>8)&0xff; +} + +void cliptest(unsigned long *b,int vals,int bits,int *comp,int compsize){ + long i,bitcount=0; + ogg_reference *or=ogg_buffer_alloc(bs,64); + for(i=0;ibuffer->data[i]= comp[i]; + or->length=i; + + oggpack_readinit(&r,or); + for(i=0;i7) + report("\nERROR: too many bits reported left over.\n"); + + /* does reading to exactly byte alignment *not* trip EOF? */ + if(oggpack_read(&o,leftover)==-1) + report("\nERROR: read to but not past exact end tripped EOF.\n"); + if(oggpack_bits(&o)!=count*8) + report("\nERROR: read to but not past exact end reported bad bitcount.\n"); + + /* does EOF trip properly after a single additional bit? */ + if(oggpack_read(&o,1)!=-1) + report("\nERROR: read past exact end did not trip EOF.\n"); + if(oggpack_bits(&o)!=count*8) + report("\nERROR: read past exact end reported bad bitcount.\n"); + + /* does EOF stay set over additional bit reads? */ + for(i=0;i<=32;i++){ + if(oggpack_read(&o,i)!=-1) + report("\nERROR: EOF did not stay set on stream.\n"); + if(oggpack_bits(&o)!=count*8) + report("\nERROR: read past exact end reported bad bitcount.\n"); + } +} + +void _end_verify2(int count){ + int i; + + /* are the proper number of bits left over? */ + int leftover=count*8-oggpack_bits(&o); + if(leftover>7) + report("\nERROR: too many bits reported left over.\n"); + + /* does reading to exactly byte alignment *not* trip EOF? */ + oggpack_adv(&o,leftover); +#ifdef ARM_LITTLE_ENDIAN + if(o.bitsLeftInSegment!=0) +#else + if(o.headend!=0) +#endif + report("\nERROR: read to but not past exact end tripped EOF.\n"); + if(oggpack_bits(&o)!=count*8) + report("\nERROR: read to but not past exact end reported bad bitcount.\n"); + + /* does EOF trip properly after a single additional bit? */ + oggpack_adv(&o,1); +#ifdef ARM_LITTLE_ENDIAN + if(o.bitsLeftInSegment>=0) +#else + if(o.headend>=0) +#endif + report("\nERROR: read past exact end did not trip EOF.\n"); + if(oggpack_bits(&o)!=count*8) + report("\nERROR: read past exact end reported bad bitcount.\n"); + + /* does EOF stay set over additional bit reads? */ + for(i=0;i<=32;i++){ + oggpack_adv(&o,i); +#ifdef ARM_LITTLE_ENDIAN + if(o.bitsLeftInSegment>=0) +#else + if(o.headend>=0) +#endif + report("\nERROR: EOF did not stay set on stream.\n"); + if(oggpack_bits(&o)!=count*8) + report("\nERROR: read past exact end reported bad bitcount.\n"); + } +} + +long ogg_buffer_length(ogg_reference *or){ + int count=0; + while(or){ + count+=or->length; + or=or->next; + } + return count; +} + +ogg_reference *ogg_buffer_extend(ogg_reference *or,long bytes){ + if(or){ + while(or->next){ + or=or->next; + } + or->next=ogg_buffer_alloc(or->buffer->ptr.owner,bytes); + return(or->next); + } + return 0; +} + +void ogg_buffer_posttruncate(ogg_reference *or,long pos){ + /* walk to the point where we want to begin truncate */ + while(or && pos>or->length){ + pos-=or->length; + or=or->next; + } + if(or){ + ogg_buffer_release(or->next); + or->next=0; + or->length=pos; + } +} + +int main(void){ + long i; + static unsigned long testbuffer1[]= + {18,12,103948,4325,543,76,432,52,3,65,4,56,32,42,34,21,1,23,32,546,456,7, + 567,56,8,8,55,3,52,342,341,4,265,7,67,86,2199,21,7,1,5,1,4}; + int test1size=43; + + static unsigned long testbuffer2[]= + {216531625L,1237861823,56732452,131,3212421,12325343,34547562,12313212, + 1233432,534,5,346435231,14436467,7869299,76326614,167548585, + 85525151,0,12321,1,349528352}; + int test2size=21; + + static unsigned long testbuffer3[]= + {1,0,14,0,1,0,12,0,1,0,0,0,1,1,0,1,0,1,0,1,0,1,0,1,0,1,0,0,1,1,1,1,1,0,0,1, + 0,1,30,1,1,1,0,0,1,0,0,0,12,0,11,0,1,0,0,1}; + int test3size=56; + + static unsigned long large[]= + {2136531625L,2137861823,56732452,131,3212421,12325343,34547562,12313212, + 1233432,534,5,2146435231,14436467,7869299,76326614,167548585, + 85525151,0,12321,1,2146528352}; + + int onesize=33; + static int one[33]={146,25,44,151,195,15,153,176,233,131,196,65,85,172,47,40, + 34,242,223,136,35,222,211,86,171,50,225,135,214,75,172, + 223,4}; + + int twosize=6; + static int two[6]={61,255,255,251,231,29}; + + int threesize=54; + static int three[54]={169,2,232,252,91,132,156,36,89,13,123,176,144,32,254, + 142,224,85,59,121,144,79,124,23,67,90,90,216,79,23,83, + 58,135,196,61,55,129,183,54,101,100,170,37,127,126,10, + 100,52,4,14,18,86,77,1}; + + int foursize=38; + static int four[38]={18,6,163,252,97,194,104,131,32,1,7,82,137,42,129,11,72, + 132,60,220,112,8,196,109,64,179,86,9,137,195,208,122,169, + 28,2,133,0,1}; + + int fivesize=45; + static int five[45]={169,2,126,139,144,172,30,4,80,72,240,59,130,218,73,62, + 241,24,210,44,4,20,0,248,116,49,135,100,110,130,181,169, + 84,75,159,2,1,0,132,192,8,0,0,18,22}; + + int sixsize=7; + static int six[7]={17,177,170,242,169,19,148}; + + /* Test read/write together */ + /* Later we test against pregenerated bitstreams */ + bs=ogg_buffer_create(); + + fprintf(stderr,"\nSmall preclipped packing (LSb): "); + cliptest(testbuffer1,test1size,0,one,onesize); + fprintf(stderr,"ok."); + + fprintf(stderr,"\nNull bit call (LSb): "); + cliptest(testbuffer3,test3size,0,two,twosize); + fprintf(stderr,"ok."); + + fprintf(stderr,"\nLarge preclipped packing (LSb): "); + cliptest(testbuffer2,test2size,0,three,threesize); + fprintf(stderr,"ok."); + + fprintf(stderr,"\n32 bit preclipped packing (LSb): "); + + or=ogg_buffer_alloc(bs,128); + for(i=0;ibuffer->data[i*4] = large[i]&0xff; + or->buffer->data[i*4+1] = (large[i]>>8)&0xff; + or->buffer->data[i*4+2] = (large[i]>>16)&0xff; + or->buffer->data[i*4+3] = (large[i]>>24)&0xff; + } + or->length=test2size*4; + oggpack_readinit(&r,or); + for(i=0;i>k)&0x1)<7){ + bit=0; + word++; + } + } + } + } + count2=(bitcount+7)>>3; + + /* construct random-length buffer chain from flat vector; random + byte starting offset within the length of the vector */ + { + ogg_reference *or=NULL,*orl=NULL; + long pos=0; + + /* build buffer chain */ + while(count2){ + int ilen=(rand()%32),k; + int ibegin=(rand()%32); + + + if(ilen>count2)ilen=count2; + + if(or) + orl=ogg_buffer_extend(orl,64); + else + or=orl=ogg_buffer_alloc(bs,64); + + orl->length=ilen; + orl->begin=ibegin; + + for(k=0;kbuffer->data[ibegin++]= flat[pos++]; + + count2-=ilen; + } + + if(ogg_buffer_length(or)!=(bitcount+7)/8){ + fprintf(stderr,"\nERROR: buffer length incorrect after build.\n"); + exit(1); + } + + + { + int begin=0; //=(rand()%TESTWORDS); + int ilen=(rand()%(TESTWORDS-begin)); + int bitoffset,bitcount=0; + unsigned long temp; + + for(j=0;j>(32-bitsLeftInWord) + ADDLE r12,r12,#32 @ r12= bitsLeftInWord += 32 + RSB r14,r14,#32 @ r14= 32-bitsLeftInWord + ORRLT r10,r10,r11,LSL r14 @ r10= Next 32 bits. + MOV r14,#1 + RSB r14,r14,r14,LSL r1 + AND r0,r10,r14 + LDMFD r13!,{r10,r11,PC} + +look_slow: + STMFD r13!,{r5,r6} + ADDS r10,r2,r1 @ r10= bitsLeftInSegment + bits (i.e. + @ the initial value of bitsLeftInSeg) + @ r10 = bitsLeftInSegment (initial) + @ r12 = bitsLeftInWord + RSB r14,r12,#32 @ r14= 32-bitsLeftInWord + MOV r5,r10 @ r5 = bitsLeftInSegment (initial) + BLT look_overrun + BEQ look_next_segment @ r10= r12 = 0, if we branch + CMP r12,r10 @ If bitsLeftInWord < bitsLeftInSeg + @ there must be more in the next word + LDR r10,[r3],#4 @ r10= ptr[0] + LDRLT r6,[r3] @ r6 = ptr[1] + MOV r11,#1 + MOV r10,r10,LSR r14 @ r10= first bitsLeftInWord bits + ORRLT r10,r10,r6,LSL r12 @ r10= first bitsLeftInSeg bits+crap + RSB r11,r11,r11,LSL r5 @ r11= mask + AND r10,r10,r11 @ r10= first r5 bits + @ Load the next segments data +look_next_segment: + @ At this point, r10 contains the first r5 bits of the result + LDR r11,[r0,#12] @ r11= head = b->head + @ Stall + @ Stall +look_next_segment_2: + LDR r11,[r11,#12] @ r11= head = head->next + @ Stall + @ Stall + CMP r11,#0 + BEQ look_out_of_data + LDMIA r11,{r6,r12,r14} @ r6 = buffer + @ r12= begin + @ r14= length + LDR r6,[r6] @ r6 = buffer->data + CMP r14,#0 + BEQ look_next_segment_2 + ADD r6,r6,r12 @ r6 = buffer->data+begin +look_slow_loop: + LDRB r12,[r6],#1 @ r12= *buffer + SUBS r14,r14,#1 @ r14= length + @ Stall + ORR r10,r10,r12,LSL r5 @ r10= first r5+8 bits + ADD r5,r5,#8 + BLE look_really_slow + CMP r5,r1 + BLT look_slow_loop + MOV r14,#1 + RSB r14,r14,r14,LSL r1 + AND r0,r10,r14 + LDMFD r13!,{r5,r6,r10,r11,PC} + + +look_really_slow: + CMP r5,r1 + BLT look_next_segment_2 + MOV r14,#1 + RSB r14,r14,r14,LSL r1 + AND r0,r10,r14 + LDMFD r13!,{r5,r6,r10,r11,PC} + +look_out_of_data: + @MVN r0,#0 ; return -1 + MOV r0,#0 + LDMFD r13!,{r5,r6,r10,r11,PC} + +look_overrun: + @ We had overrun when we started, so we need to skip -r10 bits. + LDR r11,[r0,#12] @ r11 = head = b->head + @ stall + @ stall +look_overrun_next_segment: + LDR r11,[r11,#12] @ r11 = head->next + @ stall + @ stall + CMP r11,#0 + BEQ look_out_of_data + LDMIA r11,{r6,r7,r14} @ r6 = buffer + @ r7 = begin + @ r14= length + LDR r6,[r6] @ r6 = buffer->data + @ stall + @ stall + ADD r6,r6,r7 @ r6 = buffer->data+begin + MOV r14,r14,LSL #3 @ r14= length in bits + ADDS r14,r14,r10 @ r14= length in bits-bits to skip + MOVLE r10,r14 + BLE look_overrun_next_segment + RSB r10,r10,#0 @ r10= bits to skip + ADD r6,r10,r10,LSR #3 @ r6 = pointer to data + MOV r10,#0 + B look_slow_loop + +oggpack_adv: + @ r0 = oggpack_buffer *b + @ r1 = bits + LDMIA r0,{r2,r3,r12} + @ r2 = bitsLeftInSegment + @ r3 = ptr + @ r12= bitsLeftInWord + SUBS r2,r2,r1 @ Does this run us out of bits in the + BLE adv_slow @ segment? If so, do it slowly + SUBS r12,r12,r1 + ADDLE r12,r12,#32 + ADDLE r3,r3,#4 + STMIA r0,{r2,r3,r12} + BX LR +adv_slow: + STMFD r13!,{r10,r14} + + LDR r14,[r0,#12] @ r14= head + @ stall +adv_slow_loop: + LDR r1,[r0,#20] @ r1 = count + LDR r10,[r14,#8] @ r10= head->length + LDR r14,[r14,#12] @ r14= head->next + @ stall + ADD r1,r1,r10 @ r1 = count += head->length + CMP r14,#0 + BEQ adv_end + STR r1,[r0,#20] @ b->count = count + STR r14,[r0,#12] @ b->head = head + LDMIA r14,{r3,r10,r12} @ r3 = buffer + @ r10= begin + @ r12= length + LDR r3,[r3] @ r3 = buffer->data + ADD r3,r3,r10 @ r3 = Pointer to start (byte) + AND r10,r3,#3 @ r10= bytes to backtrk to word align + MOV r10,r10,LSL #3 @ r10= bits to backtrk to word align + RSB r10,r10,#32 @ r10= bits left in word + ADDS r10,r10,r2 @ r10= bits left in word after skip + ADDLE r10,r10,#32 + ADDLE r3,r3,#4 + BIC r3,r3,#3 @ r3 = Pointer to start (word) + ADDS r2,r2,r12,LSL #3 @ r2 = length in bits after advance + BLE adv_slow_loop + STMIA r0,{r2,r3,r10} + + LDMFD r13!,{r10,PC} +adv_end: + MOV r2, #0 + MOV r12,#0 + STMIA r0,{r2,r3,r12} + + LDMFD r13!,{r10,PC} + +oggpack_readinit: + @ r0 = oggpack_buffer *b + @ r1 = oggreference *r + STR r1,[r0,#12] @ b->head = r1 + STR r1,[r0,#16] @ b->tail = r1 + LDMIA r1,{r2,r3,r12} @ r2 = b->head->buffer + @ r3 = b->head->begin + @ r12= b->head->length + LDR r2,[r2] @ r2 = b->head->buffer->data + MOV r1,r12,LSL #3 @ r1 = BitsInSegment + MOV r12,#0 + ADD r3,r2,r3 @ r3 = r2+b->head->begin + BIC r2,r3,#3 @ r2 = b->headptr (word) + AND r3,r3,#3 + MOV r3,r3,LSL #3 + RSB r3,r3,#32 @ r3 = BitsInWord + STMIA r0,{r1,r2,r3} + STR r12,[r0,#20] + BX LR + +oggpack_read: + @ r0 = oggpack_buffer *b + @ r1 = int bits + STMFD r13!,{r10,r11,r14} + LDMIA r0,{r2,r3,r12} + @ r2 = bitsLeftInSegment + @ r3 = ptr + @ r12= bitsLeftInWord + SUBS r2,r2,r1 @ bitsLeftinSegment -= bits + BLT read_slow @ Not enough bits in this segment for + @ this request. Do it slowly. + LDR r10,[r3] @ r10= ptr[0] + RSB r14,r12,#32 @ r14= 32-bitsLeftInWord + SUBS r12,r12,r1 @ r12= bitsLeftInWord -= bits + ADDLE r3,r3,#4 + LDRLT r11,[r3] @ r11= ptr[1] + MOV r10,r10,LSR r14 @ r10= ptr[0]>>(32-bitsLeftInWord) + ADDLE r12,r12,#32 @ r12= bitsLeftInWord += 32 + RSB r14,r14,#32 @ r14= 32-bitsLeftInWord + ORRLT r10,r10,r11,LSL r14 @ r10= Next 32 bits. + STMIA r0,{r2,r3,r12} + MOV r14,#1 + RSB r14,r14,r14,LSL r1 + AND r0,r10,r14 + LDMFD r13!,{r10,r11,PC} + +read_slow: + STMFD r13!,{r5,r6} + ADDS r10,r2,r1 @ r10= bitsLeftInSegment + bits (i.e. + @ the initial value of bitsLeftInSeg) + @ r10 = bitsLeftInSegment (initial) + @ r12 = bitsLeftInWord + RSB r14,r12,#32 @ r14= 32-bitsLeftInWord + MOV r5,r10 @ r5 = bitsLeftInSegment (initial) + BLT read_overrun + BEQ read_next_segment @ r10= r12 = 0, if we branch + CMP r12,r10 @ If bitsLeftInWord < bitsLeftInSeg + @ there must be more in the next word + LDR r10,[r3],#4 @ r10= ptr[0] + LDRLT r6,[r3] @ r6 = ptr[1] + MOV r11,#1 + MOV r10,r10,LSR r14 @ r10= first bitsLeftInWord bits + ORRLT r10,r10,r6,LSL r12 @ r10= first bitsLeftInSeg bits+crap + RSB r11,r11,r11,LSL r5 @ r11= mask + AND r10,r10,r11 @ r10= first r5 bits + @ Load the next segments data +read_next_segment: + @ At this point, r10 contains the first r5 bits of the result + LDR r11,[r0,#12] @ r11= head = b->head + @ Stall +read_next_segment_2: + @ r11 = head + LDR r6,[r0,#20] @ r6 = count + LDR r12,[r11,#8] @ r12= length + LDR r11,[r11,#12] @ r11= head = head->next + @ Stall + ADD r6,r6,r12 @ count += length + CMP r11,#0 + BEQ read_out_of_data + STR r11,[r0,#12] + STR r6,[r0,#20] @ b->count = count + LDMIA r11,{r6,r12,r14} @ r6 = buffer + @ r12= begin + @ r14= length + LDR r6,[r6] @ r6 = buffer->data + CMP r14,#0 + BEQ read_next_segment_2 + ADD r6,r6,r12 @ r6 = buffer->data+begin +read_slow_loop: + LDRB r12,[r6],#1 @ r12= *buffer + SUBS r14,r14,#1 @ r14= length + @ Stall + ORR r10,r10,r12,LSL r5 @ r10= first r5+8 bits + ADD r5,r5,#8 + BLE read_really_slow + CMP r5,r1 + BLT read_slow_loop +read_end: + MOV r12,#1 + RSB r12,r12,r12,LSL r1 + + @ Store back the new position + @ r2 = -number of bits to go from this segment + @ r6 = ptr + @ r14= bytesLeftInSegment + @ r11= New head value + LDMIA r11,{r3,r6,r14} @ r3 = buffer + @ r6 = begin + @ r14= length + LDR r3,[r3] @ r3 = buffer->data + ADD r1,r2,r14,LSL #3 @ r1 = bitsLeftInSegment + @ stall + ADD r6,r3,r6 @ r6 = pointer + AND r3,r6,#3 @ r3 = bytes used in first word + RSB r3,r2,r3,LSL #3 @ r3 = bits used in first word + BIC r2,r6,#3 @ r2 = word ptr + RSBS r3,r3,#32 @ r3 = bitsLeftInWord + ADDLE r3,r3,#32 + ADDLE r2,r2,#4 + STMIA r0,{r1,r2,r3} + + AND r0,r10,r12 + LDMFD r13!,{r5,r6,r10,r11,PC} + + +read_really_slow: + CMP r5,r1 + BGE read_end + LDR r14,[r11,#8] @ r14= length of segment just done + @ stall + @ stall + ADD r2,r2,r14,LSL #3 @ r2 = -bits to use from next seg + B read_next_segment_2 + +read_out_of_data: + @ Store back the new position + @ r2 = -number of bits to go from this segment + @ r6 = ptr + @ r14= bytesLeftInSegment + @ RJW: This may be overkill - we leave the buffer empty, with -1 + @ bits left in it. We might get away with just storing the + @ bitsLeftInSegment as -1. + LDR r11,[r0,#12] @ r11=head + + LDMIA r11,{r3,r6,r14} @ r3 = buffer + @ r6 = begin + @ r14= length + LDR r3,[r3] @ r3 = buffer->data + ADD r6,r3,r6 @ r6 = pointer + ADD r6,r6,r14 + AND r3,r6,#3 @ r3 = bytes used in first word + MOV r3,r3,LSL #3 @ r3 = bits used in first word + BIC r2,r6,#3 @ r2 = word ptr + RSBS r3,r3,#32 @ r3 = bitsLeftInWord + MVN r1,#0 @ r1 = -1 = bitsLeftInSegment + STMIA r0,{r1,r2,r3} + @MVN r0,#0 ; return -1 + MOV r0,#0 + LDMFD r13!,{r5,r6,r10,r11,PC} + +read_overrun: + @ We had overrun when we started, so we need to skip -r10 bits. + LDR r11,[r0,#12] @ r11 = head = b->head + @ stall + @ stall +read_overrun_next_segment: + LDR r11,[r11,#12] @ r11 = head->next + @ stall + @ stall + CMP r11,#0 + BEQ read_out_of_data + LDMIA r11,{r6,r7,r14} @ r6 = buffer + @ r7 = begin + @ r14= length + LDR r6,[r6] @ r6 = buffer->data + @ stall + @ stall + ADD r6,r6,r7 @ r6 = buffer->data+begin + MOV r14,r14,LSL #3 @ r14= length in bits + ADDS r14,r14,r10 @ r14= length in bits-bits to skip + MOVLE r10,r14 + BLE read_overrun_next_segment + RSB r10,r10,#0 @ r10= bits to skip + ADD r6,r10,r10,LSR #3 @ r6 = pointer to data + MOV r10,#0 + B read_slow_loop + + @ END diff --git a/sources/tremolo/Tremolo/codebook.c b/sources/tremolo/Tremolo/codebook.c new file mode 100644 index 00000000..0dbcacc2 --- /dev/null +++ b/sources/tremolo/Tremolo/codebook.c @@ -0,0 +1,920 @@ +/************************************************************************ + * Copyright (C) 2002-2009, Xiph.org Foundation + * Copyright (C) 2010, Robin Watts for Pinknoise Productions Ltd + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above + * copyright notice, this list of conditions and the following disclaimer + * in the documentation and/or other materials provided with the + * distribution. + * * Neither the names of the Xiph.org Foundation nor Pinknoise + * Productions Ltd nor the names of its contributors may be used to + * endorse or promote products derived from this software without + * specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + ************************************************************************ + + function: basic codebook pack/unpack/code/decode operations + + ************************************************************************/ + +#include +#include +#include +#include +// #include +#include "ogg.h" +#include "ivorbiscodec.h" +#include "codebook.h" +#include "misc.h" +#include "os.h" + +#define MARKER_SIZE 33 + +/**** pack/unpack helpers ******************************************/ +int _ilog(unsigned int v){ + int ret=0; + while(v){ + ret++; + v>>=1; + } + return(ret); +} + +static ogg_uint32_t decpack(long entry,long used_entry,long quantvals, + codebook *b,oggpack_buffer *opb,int maptype){ + ogg_uint32_t ret=0; + int j; + + switch(b->dec_type){ + + case 0: + return (ogg_uint32_t)entry; + + case 1: + if(maptype==1){ + /* vals are already read into temporary column vector here */ + for(j=0;jdim;j++){ + ogg_uint32_t off=entry%quantvals; + entry/=quantvals; + ret|=((ogg_uint16_t *)(b->q_val))[off]<<(b->q_bits*j); + } + }else{ + for(j=0;jdim;j++) + ret|=oggpack_read(opb,b->q_bits)<<(b->q_bits*j); + } + return ret; + + case 2: + for(j=0;jdim;j++){ + ogg_uint32_t off=entry%quantvals; + entry/=quantvals; + ret|=off<<(b->q_pack*j); + } + return ret; + + case 3: + return (ogg_uint32_t)used_entry; + + } + return 0; /* silence compiler */ +} + +/* 32 bit float (not IEEE; nonnormalized mantissa + + biased exponent) : neeeeeee eeemmmmm mmmmmmmm mmmmmmmm + Why not IEEE? It's just not that important here. */ + +static ogg_int32_t _float32_unpack(long val,int *point){ + long mant=val&0x1fffff; + int sign=val&0x80000000; + + *point=((val&0x7fe00000L)>>21)-788; + + if(mant){ + while(!(mant&0x40000000)){ + mant<<=1; + *point-=1; + } + if(sign)mant= -mant; + }else{ + *point=-9999; + } + return mant; +} + +/* choose the smallest supported node size that fits our decode table. + Legal bytewidths are 1/1 1/2 2/2 2/4 4/4 */ +static int _determine_node_bytes(long used, int leafwidth){ + + /* special case small books to size 4 to avoid multiple special + cases in repack */ + if(used<2) + return 4; + + if(leafwidth==3)leafwidth=4; + if(_ilog(3*used-6)+1 <= leafwidth*4) + return leafwidth/2?leafwidth/2:1; + return leafwidth; +} + +/* convenience/clarity; leaves are specified as multiple of node word + size (1 or 2) */ +static int _determine_leaf_words(int nodeb, int leafwidth){ + if(leafwidth>nodeb)return 2; + return 1; +} + +/* given a list of word lengths, number of used entries, and byte + width of a leaf, generate the decode table */ +static int _make_words(char *l,long n,ogg_uint32_t *r,long quantvals, + codebook *b, oggpack_buffer *opb,int maptype){ + long i,j,count=0; + long top=0; + ogg_uint32_t marker[MARKER_SIZE]; + + if (n<1) + return 1; + + if(n<2){ + r[0]=0x80000000; + }else{ + memset(marker,0,sizeof(marker)); + + for(i=0;i= MARKER_SIZE) { + //cjh ALOGE("b/23881715"); + return 1; + } + ogg_uint32_t entry=marker[length]; + long chase=0; + if(count && !entry)return -1; /* overpopulated tree! */ + + /* chase the tree as far as it's already populated, fill in past */ + for(j=0;j>(length-j-1))&1; + if(chase>=top){ + if (chase < 0 || chase >= n) return 1; + top++; + r[chase*2]=top; + r[chase*2+1]=0; + }else + if (chase < 0 || chase >= n || chase*2+bit > n*2+1) return 1; + if(!r[chase*2+bit]) + r[chase*2+bit]=top; + chase=r[chase*2+bit]; + if (chase < 0 || chase >= n) return 1; + } + { + int bit=(entry>>(length-j-1))&1; + if(chase>=top){ + top++; + r[chase*2+1]=0; + } + r[chase*2+bit]= decpack(i,count++,quantvals,b,opb,maptype) | + 0x80000000; + } + + /* Look to see if the next shorter marker points to the node + above. if so, update it and repeat. */ + for(j=length;j>0;j--){ + if(marker[j]&1){ + marker[j]=marker[j-1]<<1; + break; + } + marker[j]++; + } + + /* prune the tree; the implicit invariant says all the longer + markers were dangling from our just-taken node. Dangle them + from our *new* node. */ + for(j=length+1;j>1) == entry){ + entry=marker[j]; + marker[j]=marker[j-1]<<1; + }else + break; + } + } + } + + // following sanity check copied from libvorbis + /* sanity check the huffman tree; an underpopulated tree must be + rejected. The only exception is the one-node pseudo-nil tree, + which appears to be underpopulated because the tree doesn't + really exist; there's only one possible 'codeword' or zero bits, + but the above tree-gen code doesn't mark that. */ + if(b->used_entries != 1){ + for(i=1;i>(32-i))){ + return 1; + } + } + + + return 0; +} + +static int _make_decode_table(codebook *s,char *lengthlist,long quantvals, + oggpack_buffer *opb,int maptype){ + int i; + ogg_uint32_t *work; + + if (!lengthlist) return 1; + if(s->dec_nodeb==4){ + /* Over-allocate by using s->entries instead of used_entries. + * This means that we can use s->entries to enforce size in + * _make_words without messing up length list looping. + * This probably wastes a bit of space, but it shouldn't + * impact behavior or size too much. + */ + s->dec_table=_ogg_malloc((s->entries*2+1)*sizeof(*work)); + if (!s->dec_table) return 1; + /* +1 (rather than -2) is to accommodate 0 and 1 sized books, + which are specialcased to nodeb==4 */ + if(_make_words(lengthlist,s->entries, + s->dec_table,quantvals,s,opb,maptype))return 1; + + return 0; + } + + if (s->used_entries > INT_MAX/2 || + s->used_entries*2 > INT_MAX/((long) sizeof(*work)) - 1) return 1; + /* Overallocate as above */ + work=calloc((s->entries*2+1),sizeof(*work)); + if (!work) return 1; + if(_make_words(lengthlist,s->entries,work,quantvals,s,opb,maptype)) goto error_out; + if (s->used_entries > INT_MAX/(s->dec_leafw+1)) goto error_out; + if (s->dec_nodeb && s->used_entries * (s->dec_leafw+1) > INT_MAX/s->dec_nodeb) goto error_out; + s->dec_table=_ogg_malloc((s->used_entries*(s->dec_leafw+1)-2)* + s->dec_nodeb); + if (!s->dec_table) goto error_out; + + if(s->dec_leafw==1){ + switch(s->dec_nodeb){ + case 1: + for(i=0;iused_entries*2-2;i++) + ((unsigned char *)s->dec_table)[i]=(unsigned char) + (((work[i] & 0x80000000UL) >> 24) | work[i]); + break; + case 2: + for(i=0;iused_entries*2-2;i++) + ((ogg_uint16_t *)s->dec_table)[i]=(ogg_uint16_t) + (((work[i] & 0x80000000UL) >> 16) | work[i]); + break; + } + + }else{ + /* more complex; we have to do a two-pass repack that updates the + node indexing. */ + long top=s->used_entries*3-2; + if(s->dec_nodeb==1){ + unsigned char *out=(unsigned char *)s->dec_table; + + for(i=s->used_entries*2-4;i>=0;i-=2){ + if(work[i]&0x80000000UL){ + if(work[i+1]&0x80000000UL){ + top-=4; + out[top]=(work[i]>>8 & 0x7f)|0x80; + out[top+1]=(work[i+1]>>8 & 0x7f)|0x80; + out[top+2]=work[i] & 0xff; + out[top+3]=work[i+1] & 0xff; + }else{ + top-=3; + out[top]=(work[i]>>8 & 0x7f)|0x80; + out[top+1]=work[work[i+1]*2]; + out[top+2]=work[i] & 0xff; + } + }else{ + if(work[i+1]&0x80000000UL){ + top-=3; + out[top]=work[work[i]*2]; + out[top+1]=(work[i+1]>>8 & 0x7f)|0x80; + out[top+2]=work[i+1] & 0xff; + }else{ + top-=2; + out[top]=work[work[i]*2]; + out[top+1]=work[work[i+1]*2]; + } + } + work[i]=top; + } + }else{ + ogg_uint16_t *out=(ogg_uint16_t *)s->dec_table; + for(i=s->used_entries*2-4;i>=0;i-=2){ + if(work[i]&0x80000000UL){ + if(work[i+1]&0x80000000UL){ + top-=4; + out[top]=(work[i]>>16 & 0x7fff)|0x8000; + out[top+1]=(work[i+1]>>16 & 0x7fff)|0x8000; + out[top+2]=work[i] & 0xffff; + out[top+3]=work[i+1] & 0xffff; + }else{ + top-=3; + out[top]=(work[i]>>16 & 0x7fff)|0x8000; + out[top+1]=work[work[i+1]*2]; + out[top+2]=work[i] & 0xffff; + } + }else{ + if(work[i+1]&0x80000000UL){ + top-=3; + out[top]=work[work[i]*2]; + out[top+1]=(work[i+1]>>16 & 0x7fff)|0x8000; + out[top+2]=work[i+1] & 0xffff; + }else{ + top-=2; + out[top]=work[work[i]*2]; + out[top+1]=work[work[i+1]*2]; + } + } + work[i]=top; + } + } + } + + free(work); + return 0; +error_out: + free(work); + return 1; +} + +/* most of the time, entries%dimensions == 0, but we need to be + well defined. We define that the possible vales at each + scalar is values == entries/dim. If entries%dim != 0, we'll + have 'too few' values (values*dimentries); + int vals=b->entries>>((bits-1)*(b->dim-1)/b->dim); + + while(1){ + long acc=1; + long acc1=1; + int i; + for(i=0;idim;i++){ + acc*=vals; + acc1*=vals+1; + } + if(acc<=b->entries && acc1>b->entries){ + return(vals); + }else{ + if(acc>b->entries){ + vals--; + }else{ + vals++; + } + } + } +} + +void vorbis_book_clear(codebook *b){ + /* static book is not cleared; we're likely called on the lookup and + the static codebook belongs to the info struct */ + if(b->q_val)_ogg_free(b->q_val); + if(b->dec_table)_ogg_free(b->dec_table); + if(b->dec_buf)_ogg_free(b->dec_buf); + + memset(b,0,sizeof(*b)); +} + +int vorbis_book_unpack(oggpack_buffer *opb,codebook *s){ + char *lengthlist=NULL; + int quantvals=0; + long i,j; + int maptype; + + memset(s,0,sizeof(*s)); + + /* make sure alignment is correct */ + if(oggpack_read(opb,24)!=0x564342)goto _eofout; + + /* first the basic parameters */ + s->dim=oggpack_read(opb,16); + s->dec_buf=_ogg_malloc(sizeof(ogg_int32_t)*s->dim); + if (s->dec_buf == NULL) + goto _errout; + s->entries=oggpack_read(opb,24); + if(s->entries<=0)goto _eofout; + if(s->dim<=0)goto _eofout; + if(_ilog(s->dim)+_ilog(s->entries)>24)goto _eofout; + if (s->dim > INT_MAX/s->entries) goto _eofout; + + /* codeword ordering.... length ordered or unordered? */ + switch((int)oggpack_read(opb,1)){ + case 0: + /* unordered */ + lengthlist=(char *)calloc(s->entries, sizeof(*lengthlist)); + if(!lengthlist) goto _eofout; + + /* allocated but unused entries? */ + if(oggpack_read(opb,1)){ + /* yes, unused entries */ + + for(i=0;ientries;i++){ + if(oggpack_read(opb,1)){ + long num=oggpack_read(opb,5); + if(num==-1)goto _eofout; + lengthlist[i]=(char)(num+1); + s->used_entries++; + if(num+1>s->dec_maxlength)s->dec_maxlength=num+1; + }else + lengthlist[i]=0; + } + }else{ + /* all entries used; no tagging */ + s->used_entries=s->entries; + for(i=0;ientries;i++){ + long num=oggpack_read(opb,5); + if(num==-1)goto _eofout; + lengthlist[i]=(char)(num+1); + if(num+1>s->dec_maxlength)s->dec_maxlength=num+1; + } + } + + break; + case 1: + /* ordered */ + { + long length=oggpack_read(opb,5)+1; + + s->used_entries=s->entries; + lengthlist=(char *)calloc(s->entries, sizeof(*lengthlist)); + if (!lengthlist) goto _eofout; + + for(i=0;ientries;){ + long num=oggpack_read(opb,_ilog(s->entries-i)); + if(num<0)goto _eofout; + for(j=0;jentries;j++,i++) + lengthlist[i]=(char)length; + s->dec_maxlength=length; + length++; + } + } + break; + default: + /* EOF */ + goto _eofout; + } + + + /* Do we have a mapping to unpack? */ + + if((maptype=oggpack_read(opb,4))>0){ + s->q_min=_float32_unpack(oggpack_read(opb,32),&s->q_minp); + s->q_del=_float32_unpack(oggpack_read(opb,32),&s->q_delp); + s->q_bits=oggpack_read(opb,4)+1; + s->q_seq=oggpack_read(opb,1); + + s->q_del>>=s->q_bits; + s->q_delp+=s->q_bits; + } + + switch(maptype){ + case 0: + + /* no mapping; decode type 0 */ + + /* how many bytes for the indexing? */ + /* this is the correct boundary here; we lose one bit to + node/leaf mark */ + s->dec_nodeb=_determine_node_bytes(s->used_entries,_ilog(s->entries)/8+1); + s->dec_leafw=_determine_leaf_words(s->dec_nodeb,_ilog(s->entries)/8+1); + s->dec_type=0; + + if(_make_decode_table(s,lengthlist,quantvals,opb,maptype)) goto _errout; + break; + + case 1: + + /* mapping type 1; implicit values by lattice position */ + quantvals=_book_maptype1_quantvals(s); + + /* dec_type choices here are 1,2; 3 doesn't make sense */ + { + /* packed values */ + long total1=(s->q_bits*s->dim+8)/8; /* remember flag bit */ + if (s->dim > (INT_MAX-8)/s->q_bits) goto _eofout; + /* vector of column offsets; remember flag bit */ + long total2=(_ilog(quantvals-1)*s->dim+8)/8+(s->q_bits+7)/8; + + + if(total1<=4 && total1<=total2){ + /* use dec_type 1: vector of packed values */ + + /* need quantized values before */ + s->q_val=calloc(sizeof(ogg_uint16_t), quantvals); + if (!s->q_val) goto _eofout; + for(i=0;iq_val)[i]=(ogg_uint16_t)oggpack_read(opb,s->q_bits); + + if(oggpack_eop(opb)){ + goto _eofout; + } + + s->dec_type=1; + s->dec_nodeb=_determine_node_bytes(s->used_entries, + (s->q_bits*s->dim+8)/8); + s->dec_leafw=_determine_leaf_words(s->dec_nodeb, + (s->q_bits*s->dim+8)/8); + if(_make_decode_table(s,lengthlist,quantvals,opb,maptype)){ + goto _errout; + } + + free(s->q_val); + s->q_val=0; + + }else{ + /* use dec_type 2: packed vector of column offsets */ + + /* need quantized values before */ + if(s->q_bits<=8){ + s->q_val=_ogg_malloc(quantvals); + if (!s->q_val) goto _eofout; + for(i=0;iq_val)[i]=(unsigned char)oggpack_read(opb,s->q_bits); + }else{ + s->q_val=_ogg_malloc(quantvals*2); + if (!s->q_val) goto _eofout; + for(i=0;iq_val)[i]=(ogg_uint16_t)oggpack_read(opb,s->q_bits); + } + + if(oggpack_eop(opb))goto _eofout; + + s->q_pack=_ilog(quantvals-1); + s->dec_type=2; + s->dec_nodeb=_determine_node_bytes(s->used_entries, + (_ilog(quantvals-1)*s->dim+8)/8); + s->dec_leafw=_determine_leaf_words(s->dec_nodeb, + (_ilog(quantvals-1)*s->dim+8)/8); + if(_make_decode_table(s,lengthlist,quantvals,opb,maptype))goto _errout; + + } + } + break; + case 2: + + /* mapping type 2; explicit array of values */ + quantvals=s->entries*s->dim; + /* dec_type choices here are 1,3; 2 is not possible */ + + if( (s->q_bits*s->dim+8)/8 <=4){ /* remember flag bit */ + /* use dec_type 1: vector of packed values */ + + s->dec_type=1; + s->dec_nodeb=_determine_node_bytes(s->used_entries,(s->q_bits*s->dim+8)/8); + s->dec_leafw=_determine_leaf_words(s->dec_nodeb,(s->q_bits*s->dim+8)/8); + if(_make_decode_table(s,lengthlist,quantvals,opb,maptype))goto _errout; + + }else{ + /* use dec_type 3: scalar offset into packed value array */ + + s->dec_type=3; + s->dec_nodeb=_determine_node_bytes(s->used_entries,_ilog(s->used_entries-1)/8+1); + s->dec_leafw=_determine_leaf_words(s->dec_nodeb,_ilog(s->used_entries-1)/8+1); + if(_make_decode_table(s,lengthlist,quantvals,opb,maptype))goto _errout; + + /* get the vals & pack them */ + s->q_pack=(s->q_bits+7)/8*s->dim; + s->q_val=_ogg_malloc(s->q_pack*s->used_entries); + + if(s->q_bits<=8){ + for(i=0;iused_entries*s->dim;i++) + ((unsigned char *)(s->q_val))[i]=(unsigned char)oggpack_read(opb,s->q_bits); + }else{ + for(i=0;iused_entries*s->dim;i++) + ((ogg_uint16_t *)(s->q_val))[i]=(ogg_uint16_t)oggpack_read(opb,s->q_bits); + } + } + break; + default: + goto _errout; + } + + if (s->dec_nodeb==1) + if (s->dec_leafw == 1) + s->dec_method = 0; + else + s->dec_method = 1; + else if (s->dec_nodeb==2) + if (s->dec_leafw == 1) + s->dec_method = 2; + else + s->dec_method = 3; + else + s->dec_method = 4; + + if(oggpack_eop(opb))goto _eofout; + + free(lengthlist); + return 0; + _errout: + _eofout: + vorbis_book_clear(s); + free(lengthlist); + free(s->q_val); + return -1; +} + +#ifndef ONLY_C +ogg_uint32_t decode_packed_entry_number(codebook *book, + oggpack_buffer *b); +#else +static inline ogg_uint32_t decode_packed_entry_number(codebook *book, + oggpack_buffer *b){ + ogg_uint32_t chase=0; + int read=book->dec_maxlength; + long lok = oggpack_look(b,read),i; + + while(lok<0 && read>1) + lok = oggpack_look(b, --read); + + if(lok<0){ + oggpack_adv(b,1); /* force eop */ + return -1; + } + + /* chase the tree with the bits we got */ + switch (book->dec_method) + { + case 0: + { + /* book->dec_nodeb==1, book->dec_leafw==1 */ + /* 8/8 - Used */ + unsigned char *t=(unsigned char *)book->dec_table; + + for(i=0;i>i)&1)]; + if(chase&0x80UL)break; + } + chase&=0x7fUL; + break; + } + case 1: + { + /* book->dec_nodeb==1, book->dec_leafw!=1 */ + /* 8/16 - Used by infile2 */ + unsigned char *t=(unsigned char *)book->dec_table; + for(i=0;i>i)&1; + int next=t[chase+bit]; + if(next&0x80){ + chase= (next<<8) | t[chase+bit+1+(!bit || t[chase]&0x80)]; + break; + } + chase=next; + } + //chase&=0x7fffUL; + chase&=~0x8000UL; + break; + } + case 2: + { + /* book->dec_nodeb==2, book->dec_leafw==1 */ + /* 16/16 - Used */ + for(i=0;idec_table))[chase*2+((lok>>i)&1)]; + if(chase&0x8000UL)break; + } + //chase&=0x7fffUL; + chase&=~0x8000UL; + break; + } + case 3: + { + /* book->dec_nodeb==2, book->dec_leafw!=1 */ + /* 16/32 - Used by infile2 */ + ogg_uint16_t *t=(ogg_uint16_t *)book->dec_table; + for(i=0;i>i)&1; + int next=t[chase+bit]; + if(next&0x8000){ + chase= (next<<16) | t[chase+bit+1+(!bit || t[chase]&0x8000)]; + break; + } + chase=next; + } + //chase&=0x7fffffffUL; + chase&=~0x80000000UL; + break; + } + case 4: + { + //Output("32/32"); + for(i=0;idec_table))[chase*2+((lok>>i)&1)]; + if(chase&0x80000000UL)break; + } + //chase&=0x7fffffffUL; + chase&=~0x80000000UL; + break; + } + } + + if(idec_type)return -1; + return decode_packed_entry_number(book,b); +} + +#ifndef ONLY_C +int decode_map(codebook *s, oggpack_buffer *b, ogg_int32_t *v, int point); +#else +static int decode_map(codebook *s, oggpack_buffer *b, ogg_int32_t *v, int point){ + ogg_uint32_t entry = decode_packed_entry_number(s,b); + int i; + if(oggpack_eop(b))return(-1); + + /* 1 used by test file 0 */ + + /* according to decode type */ + switch(s->dec_type){ + case 1:{ + /* packed vector of values */ + int mask=(1<q_bits)-1; + for(i=0;idim;i++){ + v[i]=entry&mask; + entry>>=s->q_bits; + } + break; + } + case 2:{ + /* packed vector of column offsets */ + int mask=(1<q_pack)-1; + for(i=0;idim;i++){ + if(s->q_bits<=8) + v[i]=((unsigned char *)(s->q_val))[entry&mask]; + else + v[i]=((ogg_uint16_t *)(s->q_val))[entry&mask]; + entry>>=s->q_pack; + } + break; + } + case 3:{ + /* offset into array */ + void *ptr=((char *)s->q_val)+entry*s->q_pack; + + if(s->q_bits<=8){ + for(i=0;idim;i++) + v[i]=((unsigned char *)ptr)[i]; + }else{ + for(i=0;idim;i++) + v[i]=((ogg_uint16_t *)ptr)[i]; + } + break; + } + default: + return -1; + } + + /* we have the unpacked multiplicands; compute final vals */ + { + int shiftM = point-s->q_delp; + ogg_int32_t add = point-s->q_minp; + int mul = s->q_del; + + if(add>0) + add= s->q_min >> add; + else + add= s->q_min << -add; + if (shiftM<0) + { + mul <<= -shiftM; + shiftM = 0; + } + add <<= shiftM; + + for(i=0;idim;i++) + v[i]= ((add + v[i] * mul) >> shiftM); + + if(s->q_seq) + for(i=1;idim;i++) + v[i]+=v[i-1]; + } + + return 0; +} +#endif + +/* returns 0 on OK or -1 on eof *************************************/ +long vorbis_book_decodevs_add(codebook *book,ogg_int32_t *a, + oggpack_buffer *b,int n,int point){ + if(book->used_entries>0){ + int step=n/book->dim; + ogg_int32_t *v = book->dec_buf;//(ogg_int32_t *)alloca(sizeof(*v)*book->dim); + int i,j,o; + if (!v) return -1; + + for (j=0;jdim;i++,o+=step) + a[o]+=v[i]; + } + } + return 0; +} + +long vorbis_book_decodev_add(codebook *book,ogg_int32_t *a, + oggpack_buffer *b,int n,int point){ + if(book->used_entries>0){ + ogg_int32_t *v = book->dec_buf;//(ogg_int32_t *)alloca(sizeof(*v)*book->dim); + int i,j; + + if (!v) return -1; + for(i=0;idim;j++) + a[i++]+=v[j]; + } + } + return 0; +} + +long vorbis_book_decodev_set(codebook *book,ogg_int32_t *a, + oggpack_buffer *b,int n,int point){ + if(book->used_entries>0){ + ogg_int32_t *v = book->dec_buf;//(ogg_int32_t *)alloca(sizeof(*v)*book->dim); + int i,j; + + if (!v) return -1; + for(i=0;idim;j++) + a[i++]=v[j]; + } + }else{ + int i,j; + + for(i=0;idim;j++) + a[i++]=0; + } + } + + return 0; +} + +#ifndef ONLY_C +long vorbis_book_decodevv_add(codebook *book,ogg_int32_t **a, + long offset,int ch, + oggpack_buffer *b,int n,int point); +#else +long vorbis_book_decodevv_add(codebook *book,ogg_int32_t **a, + long offset,int ch, + oggpack_buffer *b,int n,int point){ + if(book->used_entries>0){ + + ogg_int32_t *v = book->dec_buf;//(ogg_int32_t *)alloca(sizeof(*v)*book->dim); + long i,j; + int chptr=0; + + if (!v) return -1; + for(i=offset;idim;j++){ + a[chptr++][i]+=v[j]; + if(chptr==ch){ + chptr=0; + i++; + } + } + } + } + + return 0; +} +#endif diff --git a/sources/tremolo/Tremolo/codebook.h b/sources/tremolo/Tremolo/codebook.h new file mode 100644 index 00000000..7aff26be --- /dev/null +++ b/sources/tremolo/Tremolo/codebook.h @@ -0,0 +1,89 @@ +/************************************************************************ + * Copyright (C) 2002-2009, Xiph.org Foundation + * Copyright (C) 2010, Robin Watts for Pinknoise Productions Ltd + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above + * copyright notice, this list of conditions and the following disclaimer + * in the documentation and/or other materials provided with the + * distribution. + * * Neither the names of the Xiph.org Foundation nor Pinknoise + * Productions Ltd nor the names of its contributors may be used to + * endorse or promote products derived from this software without + * specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + ************************************************************************ + + function: basic shared codebook operations + + ************************************************************************/ + +#ifndef _V_CODEBOOK_H_ +#define _V_CODEBOOK_H_ + +#include "ogg.h" + +typedef struct codebook{ + /* Top 15 used in ARM code */ + int dec_maxlength; + void *dec_table; + int dec_method; + int dec_type; /* 0 = entry number + 1 = packed vector of values + 2 = packed vector of column offsets, maptype 1 + 3 = scalar offset into value array, maptype 2 */ + int q_bits; + long dim; /* codebook dimensions (elements per vector) */ + int q_delp; + int q_minp; + ogg_int32_t q_del; + ogg_int32_t q_min; + int q_seq; + int q_pack; + void *q_val; + long used_entries; /* populated codebook entries */ + ogg_int32_t *dec_buf; + + /* C only */ + int dec_nodeb; + int dec_leafw; + + long entries; /* codebook entries */ + +} codebook; + +extern void vorbis_book_clear(codebook *b); +extern int vorbis_book_unpack(oggpack_buffer *b,codebook *c); + +extern long vorbis_book_decode(codebook *book, oggpack_buffer *b); +extern long vorbis_book_decodevs_add(codebook *book, ogg_int32_t *a, + oggpack_buffer *b,int n,int point); +extern long vorbis_book_decodev_set(codebook *book, ogg_int32_t *a, + oggpack_buffer *b,int n,int point); +extern long vorbis_book_decodev_add(codebook *book, ogg_int32_t *a, + oggpack_buffer *b,int n,int point); +extern long vorbis_book_decodevv_add(codebook *book, ogg_int32_t **a, + long off,int ch, + oggpack_buffer *b,int n,int point); + +extern int _ilog(unsigned int v); + + +#endif diff --git a/sources/tremolo/Tremolo/codec_internal.h b/sources/tremolo/Tremolo/codec_internal.h new file mode 100644 index 00000000..c94db5ff --- /dev/null +++ b/sources/tremolo/Tremolo/codec_internal.h @@ -0,0 +1,235 @@ +/************************************************************************ + * Copyright (C) 2002-2009, Xiph.org Foundation + * Copyright (C) 2010, Robin Watts for Pinknoise Productions Ltd + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above + * copyright notice, this list of conditions and the following disclaimer + * in the documentation and/or other materials provided with the + * distribution. + * * Neither the names of the Xiph.org Foundation nor Pinknoise + * Productions Ltd nor the names of its contributors may be used to + * endorse or promote products derived from this software without + * specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + ************************************************************************ + + function: libvorbis codec headers + + ************************************************************************/ + +#ifndef _V_CODECI_H_ +#define _V_CODECI_H_ + +#define CHUNKSIZE 1024 + +#include "codebook.h" +#include "ivorbiscodec.h" + +#define VI_TRANSFORMB 1 +#define VI_WINDOWB 1 +#define VI_TIMEB 1 +#define VI_FLOORB 2 +#define VI_RESB 3 +#define VI_MAPB 1 + +typedef void vorbis_info_floor; + +/* vorbis_dsp_state buffers the current vorbis audio + analysis/synthesis state. The DSP state belongs to a specific + logical bitstream ****************************************************/ +struct vorbis_dsp_state{ + vorbis_info *vi; + oggpack_buffer opb; + + ogg_int32_t **work; + ogg_int32_t **mdctright; + int out_begin; + int out_end; + + long lW; + long W; + + ogg_int64_t granulepos; + ogg_int64_t sequence; + ogg_int64_t sample_count; + +}; + + +/* Floor backend generic *****************************************/ + +extern vorbis_info_floor *floor0_info_unpack(vorbis_info *,oggpack_buffer *); +extern void floor0_free_info(vorbis_info_floor *); +extern int floor0_memosize(vorbis_info_floor *); +extern ogg_int32_t *floor0_inverse1(struct vorbis_dsp_state *, + vorbis_info_floor *,ogg_int32_t *); +extern int floor0_inverse2 (struct vorbis_dsp_state *,vorbis_info_floor *, + ogg_int32_t *buffer,ogg_int32_t *); + +extern vorbis_info_floor *floor1_info_unpack(vorbis_info *,oggpack_buffer *); +extern void floor1_free_info(vorbis_info_floor *); +extern int floor1_memosize(vorbis_info_floor *); +extern ogg_int32_t *floor1_inverse1(struct vorbis_dsp_state *, + vorbis_info_floor *,ogg_int32_t *); +extern int floor1_inverse2 (struct vorbis_dsp_state *,vorbis_info_floor *, + ogg_int32_t *buffer,ogg_int32_t *); + +typedef struct{ + int order; + long rate; + long barkmap; + + int ampbits; + int ampdB; + + int numbooks; /* <= 16 */ + char books[16]; + +} vorbis_info_floor0; + +typedef struct{ + char class_dim; /* 1 to 8 */ + char class_subs; /* 0,1,2,3 (bits: 1<max_length + @ r6 = book->dec_table + @ r7 = book->dec_method + MOV r5,r1 @ r5 = b + + MOV r0,r5 @ r0 = b + MOV r1,r4 @ r1 = read + BL oggpack_look +dpen_read_return: + CMP r0,#0 + BLT dpen_readfailed + + @ r0 = lok + @ r4 = read + @ r5 = b + @ r6 = dec_table + @ r7 = dec_method + + CMP r7, #3 + BGT meth4 + BEQ meth3 + CMP r7, #1 + BGT meth2 + BEQ meth1 +meth0: + RSB r1, r4, #0 @ r1 = i-read = 0-read + MOV r7, #0 @ r7 = chase +m0_loop: + MOVS r0, r0, LSR #1 @ r0 = lok>>1 C = bottom bit + ADC r2, r6, r7, LSL #1 @ r8 = &t[chase*2+C] + LDRB r7, [r2] + ADDS r1, r1, #1 @ r1 = i-read++ (i-read<0 => i= 0) === (i >= read) + MVNGT r7, #0 @ if (i >= read) value to return = -1 + ADD r1, r1, r4 @ r1 = i-read+read+1 = i +1 + MOV r0, r5 @ r0 = b + BL oggpack_adv @ oggpack_adv(b, i+1); + MOV r0, r7 @ return chase + LDMFD r13!,{r4-r8,r10,PC} + +meth1: + @ r0 = lok + @ r4 = read + @ r5 = b + @ r6 = dec_table + RSB r1, r4, #0 @ r1 = i = -read + MOV r10,#0 @ r10= next = 0 +m1_loop: + MOV r7, r10 @ r7 = chase=next + MOVS r0, r0, LSR #1 @ r0 = lok>>1 C = bottom bit + ADC r8, r6, r7 @ r8 = t+chase+bit + LDRB r10,[r8], -r6 @ r10= next=t[chase+bit] r8=chase+bit + ADDS r1, r1, #1 @ r1 = i++ + @ stall Xscale + CMPLT r10,#0x80 @ if (next & 0x80) == 0 + BLT m1_loop + + ADD r1, r1, r4 @ r1 = i+read + MOV r0, r5 @ r0 = b + BL oggpack_adv @ oggpack_adv(b, i) + + CMP r10,#0x80 + BLT duff + + CMP r8, r7 @ if bit==0 (chase+bit==chase) (sets C) + LDRNEB r14,[r6, r7] @ r14= t[chase] + MOVEQ r14,#128 + ADC r12,r8, r6 @ r12= chase+bit+1+t + LDRB r14,[r12,r14,LSR #7] @ r14= t[chase+bit+1+(!bit || t[chase]0x0x80)] + BIC r10,r10,#0x80 @ r3 = next &= ~0x80 + @ stall Xscale + ORR r0, r14,r10,LSL #8 @ r7 = chase = (next<<8) | r14 + + LDMFD r13!,{r4-r8,r10,PC} + + +meth2: + RSB r1, r4, #0 @ r1 = i-read = 0-read + MOV r7, #0 @ r7 = chase + MOV r6, r6, LSR #1 +m2_loop: + MOVS r0, r0, LSR #1 @ r0 = lok>>1 C = bottom bit + ADC r2, r6, r7, LSL #1 @ r8 = &t[chase*2+C] + LDRH r7, [r2, r2] + ADDS r1, r1, #1 @ r1 = i-read++ (i-read<0 => i= 0) === (i >= read) + MVNGT r7, #0 @ if (i >= read) value to return = -1 + ADD r1, r1, r4 @ r1 = i-read+read+1 = i +1 + MOV r0, r5 @ r0 = b + BL oggpack_adv @ oggpack_adv(b, i+1); + MOV r0, r7 @ return chase + LDMFD r13!,{r4-r8,r10,PC} + +meth3: + @ r0 = lok + @ r4 = read + @ r5 = b + @ r6 = dec_table + RSB r1, r4, #0 @ r1 = i = -read + MOV r10,#0 @ r10= next = 0 +m3_loop: + MOV r7, r10 @ r7 = chase=next + MOVS r0, r0, LSR #1 @ r0 = lok>>1 C = bottom bit + ADC r8, r7, #0 @ r8 = chase+bit + MOV r8, r8, LSL #1 @ r8 = (chase+bit)<<1 + LDRH r10,[r6, r8] @ r10= next=t[chase+bit] + ADDS r1, r1, #1 @ r1 = i++ + @ stall Xscale + CMPLT r10,#0x8000 @ if (next & 0x8000) == 0 + BLT m3_loop + + ADD r1, r1, r4 @ r1 = i+read + MOV r0, r5 @ r0 = b + BL oggpack_adv @ oggpack_adv(b, i) + + CMP r10,#0x8000 + BLT duff + + MOV r7, r7, LSL #1 + CMP r8, r7 @ if bit==0 (chase+bit==chase) sets C + LDRNEH r14,[r6, r7] @ r14= t[chase] + MOVEQ r14,#0x8000 + ADC r12,r8, r14,LSR #15 @ r12= 1+((chase+bit)<<1)+(!bit || t[chase]0x0x8000) + ADC r12,r12,r14,LSR #15 @ r12= t + (1+chase+bit+(!bit || t[chase]0x0x8000))<<1 + LDRH r14,[r6, r12] @ r14= t[chase+bit+1 + BIC r10,r10,#0x8000 @ r3 = next &= ~0x8000 + @ stall Xscale + ORR r0, r14,r10,LSL #16 @ r7 = chase = (next<<16) | r14 + + LDMFD r13!,{r4-r8,r10,PC} + +meth4: + RSB r1, r4, #0 @ r1 = i-read = 0-read + MOV r7, #0 @ r7 = chase +m4_loop: + MOVS r0, r0, LSR #1 @ r0 = lok>>1 C = bottom bit + ADC r2, r7, r7 @ r8 = chase*2+C + LDR r7, [r6, r2, LSL #2] + ADDS r1, r1, #1 @ r1 = i-read++ (i-read<0 => i= 0) === (i >= read) + MVNGT r7, #0 @ if (i >= read) value to return = -1 + ADD r1, r1, r4 @ r1 = i-read+read+1 = i +1 + MOV r0, r5 @ r0 = b + BL oggpack_adv @ oggpack_adv(b, i+1); + MOV r0, r7 @ return chase + LDMFD r13!,{r4-r8,r10,PC} + +decode_map: + @ r0 = codebook *s + @ r1 = oggpack_buffer *b + @ r2 = int v + @ r3 = int point + STMFD r13!,{r4-r11,r14} + + MOV r4, r0 @ r4 = s + MOV r5, r1 @ r5 = b + MOV r6, r2 @ r6 = v + MOV r7, r3 @ r7 = point + BL decode_packed_entry_number + MOV r8, r0 + + MOV r0, r5 + BL oggpack_eop + CMP r0, #0 + BNE dm_duff + + @ r4 = s + @ r5 = b + @ r6 = v + @ r7 = point + @ r8 = entry + + LDR r1, [r4,#12] @ r1 = s->dec_type + LDR r2, [r4,#16] @ r2 = s->q_bits + LDR r3, [r4,#20] @ r3 = s->dim + LDR r5, [r4,#24] @ r5 = s->q_delp + LDR r11,[r4,#28] @ r11= s->q_minp + LDR r12,[r4,#32] @ r12= s->q_del = mul + LDR r14,[r4,#36] @ r14= s->q_min + SUBS r11,r7, r11 @ r11= add = point - s->q_minp + + MOVGT r14,r14,ASR r11 @ r14= add = s->q_min >> add (if add >0) + RSBLT r11,r11,#0 + MOVLT r14,r14,LSL r11 @ r14= add = s->q_min << -add (if add < 0) + + SUBS r5, r7, r5 @ r5 = shiftM = point - s->q_delp + LDR r7, [r4,#40] @ r7 = s->q_seq + RSBLT r5, r5, #0 @ if (shiftM<0) r5 =-shiftM + MOVLT r12,r12,LSL r5 @ r12=mul<<-shiftM + MOVLT r5, #0 @ r5 =shiftM = 0 + MOVGT r14,r14,LSL r5 @ add <<= shiftM + + CMP r7,#0 @ seqMask = (s->q_seq?-1:0) + MVNNE r7,#0 + + CMP r1, #2 + BEQ dm2 + BGT dm3 + CMP r1,#0 @ probably never happens + BLE dm_duff +dm1: + @ r1 = s->dec_type + @ r2 = s->q_bits + @ r3 = s->dim + @ r5 = shiftM + @ r6 = v + @ r7 = seqMask + @ r8 = entry + @ r12= mul + @ r14= add + MOV r0, #1 + RSB r0, r0, r0, LSL r2 @ r0 = mask = (1<q_bits)-1 + MOV r11,#0 @ r11= prev = 0 +dm1_loop: + AND r1, r8, r0 @ r1 = v = entry & mask + MLA r1, r12, r1, r14 @ r1 = (add + mul*v) + MOV r8, r8, LSR r2 @ r8 = entry>>s->q_bits + SUBS r3, r3, #1 + ADD r1, r11,r1, ASR r5 @ r1 = v = prev+((add+mul*v)>>shiftM) + AND r11,r1, r7 @ r11= prev = seqMask & v + STR r1, [r6], #4 @ *v++ = v + BGT dm1_loop + + MOV r0, #0 + LDMFD r13!,{r4-r11,PC} +dm2: + @ r1 = s->dec_type + @ r2 = s->q_bits + @ r3 = s->dim + @ r4 = s + @ r5 = shiftM + @ r6 = v + @ r7 = seqMask + @ r8 = entry + @ r12= mul + @ r14= add + LDR r1, [r4,#44] @ r1 = s->q_pack + LDR r4, [r4,#48] @ r4 = s->q_val + MOV r11,#0 @ r11= prev + MOV r0, #1 + RSB r0, r0, r0, LSL r1 @ r8 = mask = (1<q_pack)-1 + CMP r2,#8 + BGT dm2_hword +dm2_loop: + AND r2, r8, r0 @ r2 = entry & mask + LDRB r2, [r4, r2] @ r2 = v = q->val[entry & mask] + MOV r8, r8, LSR r1 @ r8 = entry>>q_pack + MLA r2, r12,r2, r14 @ r2 = (add+mul*v) + SUBS r3, r3, #1 + ADD r2, r11,r2, ASR r5 @ r2 = v = prev+(add+mul*v)>>shiftM + AND r11,r2, r7 @ r11= prev = seqMask & v + STR r2, [r6], #4 @ *v++ = v + BGT dm2_loop + MOV r0, #0 + LDMFD r13!,{r4-r11,PC} + +dm2_hword: + AND r2, r8, r0 @ r2 = entry & mask + MOV r2, r2, LSL #1 @ r2 = 2*r2 + LDRH r2, [r4, r2] @ r2 = v = q->val[entry & mask] + MOV r8, r8, LSR r1 @ r8 = entry>>q_pack + MLA r2, r12,r2, r14 @ r2 = (add+mul*v) + SUBS r3, r3, #1 + ADD r2, r11,r2, ASR r5 @ r2 = v = prev+(add+mul*v)>>shiftM + AND r11,r2, r7 @ r11= prev = seqMask & v + STR r2, [r6], #4 @ *v++ = v + BGT dm2_hword + MOV r0, #0 + LDMFD r13!,{r4-r11,PC} + +dm3: + @ r1 = s->dec_type + @ r2 = s->q_bits + @ r3 = s->dim + @ r4 = s + @ r5 = shiftM + @ r6 = v + @ r7 = seqMask + @ r8 = entry + @ r12= mul + @ r14= add + LDR r1, [r4,#44] @ r1 = s->q_pack + LDR r4, [r4,#52] @ r4 = s->q_val + CMP r2,#8 + MOV r11,#0 @ r11= prev + MLA r4,r1,r8,r4 @ r4 = ptr = s->q_val+entry*s->q_pack + + BGT dm3_hword +dm3_loop: + LDRB r2, [r4], #1 @ r2 = v = *ptr++ + SUBS r3, r3, #1 + MLA r2, r12,r2, r14 @ r2 = (add+mul*v) + ADD r2, r11,r2, ASR r5 @ r2 = v = prev+(add+mul*v)>>shiftM + AND r11,r2, r7 @ r11= prev = seqMask & v + STR r2, [r6], #4 @ *v++ = v + BGT dm3_loop + MOV r0, #0 + LDMFD r13!,{r4-r11,PC} + +dm3_hword: + LDRH r2, [r4], #2 @ r2 = *ptr++ + SUBS r3, r3, #1 + MLA r2, r12,r2, r14 @ r2 = (add+mul*v) + ADD r2, r11,r2, ASR r5 @ r2 = v = prev+(add+mul*v)>>shiftM + AND r11,r2, r7 @ r11= prev = seqMask & v + STR r2, [r6], #4 @ *v++ = v + BGT dm3_hword + MOV r0, #0 + LDMFD r13!,{r4-r11,PC} + +dm_duff: + MVN r0,#0 + LDMFD r13!,{r4-r11,PC} + +vorbis_book_decodevv_add: + @ r0 = codebook *book + @ r1 = ogg_int32_t **a + @ r2 = long offset + @ r3 = int ch + @ <> = b + @ <> = n + @ <> = point + STMFD r13!,{r4-r11,R14} + LDR r7, [r0, #13*4] @ r7 = used_entries + MOV r9, r0 @ r9 = book + MOV r10,r1 @ r10= 0xa[chptr] chptr=0 + MOV r6, r3 @ r6 = ch + ADD r8, r10,r3, LSL #2 @ r8 = 0xa[ch] + MOV r11,r2 @ r11= offset + CMP r7, #0 @ if (used_entries <= 0) + BLE vbdvva_exit @ exit + LDR r5, [r13,#10*4] @ r5 = n +vbdvva_loop1: + @ r5 = n + @ r6 = ch + @ r8 = 0xa[ch] + @ r9 = book + @ r10= 0xa[chptr] + @ r11= offset + MOV r0, r9 @ r0 = book + LDR r1, [r13,# 9*4] @ r1 = b + LDR r2, [r9, #14*4] @ r2 = v = dec_buf + LDR r3, [r13,#11*4] @ r3 = point + BL decode_map + CMP r0, #0 + BNE vbdvva_fail + + LDR r0, [r9, # 5*4] @ r0 = book->dim + LDR r1, [r9, #14*4] @ r1 = v = dec_buf +vbdvva_loop2: + LDR r2, [r10],#4 @ r2 = a[chptr++] + LDR r12,[r1], #4 @ r1 = v[j++] + CMP r10,r8 @ if (chptr == ch) + SUBEQ r10,r10,r6, LSL #2 @ chptr = 0 + LDR r14,[r2, r11,LSL #2]! @ r2 = 0xa[chptr++][i] r14=[r12] + ADDEQ r11,r11,#1 @ i++ + SUBEQ r5, r5, #1 @ n-- + SUBS r0, r0, #1 @ r0-- + ADD r12,r12,r14 @ r12= a[chptr++][i]+ v[j] + STR r12,[r2] @ r12= a[chptr++][i]+=v[j] + BGT vbdvva_loop2 + CMP r5,#0 + BGT vbdvva_loop1 +vbdvva_exit: + MOV r0, #0 @ return 0 + LDMFD r13!,{r4-r11,PC} +vbdvva_fail: + MVN r0, #0 @ return -1 + LDMFD r13!,{r4-r11,PC} + +_checksum: + @ r0 = ogg_reference *or + @ r1 = bytes + STMFD r13!,{r5-r6,r14} + + ADR r6,.Lcrc_lookup + LDR r5,[r6] + ADD r5,r6 + MOV r14,#0 @ r14= crc_reg = 0 + MOVS r12,r0 + BEQ _cs_end +_cs_loop1: + LDMIA r12,{r0,r2,r3,r12} @ r0 = or->buffer + @ r2 = or->begin + @ r3 = or->length + @ r12= or->next + LDR r0,[r0] @ r0 = or->buffer->data + CMP r1,r3 @ r3 = post = (bytes < or->length ? + MOVLT r3,r1 @ bytes : or->length) + MOVS r6,r3 @ r6 = j = post + BEQ _cs_no_bytes + ADD r0,r0,r2 @ r0 = or->buffer->data + or->begin +_cs_loop2: + LDRB r2, [r0],#1 @ r2 = data[j] + @ stall + @ stall Xscale + EOR r2, r2, r14,LSR #24 @ r2 = (crc_reg>>24)^data[j] + LDR r2, [r5, r2, LSL #2] @ r2 = crc_lkp[(crc_reg>>24)^data[j]] + SUBS r6, r6, #1 @ j-- + @ stall Xscale + EOR r14,r2, r14,LSL #8 @ r14= crc_reg = (crc_reg<<8)^r2 + BGT _cs_loop2 +_cs_no_bytes: + SUBS r1, r1, r3 + CMPNE r12,#0 + BNE _cs_loop1 +_cs_end: + MOV r0,r14 + LDMFD r13!,{r5-r6,PC} + +.Lcrc_lookup: + .WORD crc_lookup-.Lcrc_lookup + + @ END diff --git a/sources/tremolo/Tremolo/dsp.c b/sources/tremolo/Tremolo/dsp.c new file mode 100644 index 00000000..db809de3 --- /dev/null +++ b/sources/tremolo/Tremolo/dsp.c @@ -0,0 +1,326 @@ +/************************************************************************ + * Copyright (C) 2002-2009, Xiph.org Foundation + * Copyright (C) 2010, Robin Watts for Pinknoise Productions Ltd + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above + * copyright notice, this list of conditions and the following disclaimer + * in the documentation and/or other materials provided with the + * distribution. + * * Neither the names of the Xiph.org Foundation nor Pinknoise + * Productions Ltd nor the names of its contributors may be used to + * endorse or promote products derived from this software without + * specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + ************************************************************************ + + function: PCM data vector blocking, windowing and dis/reassembly + + ************************************************************************/ + +#include +#include "ogg.h" +#include "mdct.h" +#include "ivorbiscodec.h" +#include "codec_internal.h" +#include "misc.h" +#include "window_lookup.h" + +int vorbis_dsp_restart(vorbis_dsp_state *v){ + if(!v)return -1; + { + vorbis_info *vi=v->vi; + codec_setup_info *ci; + + if(!vi)return -1; + ci=vi->codec_setup; + if(!ci)return -1; + + v->out_end=-1; + v->out_begin=-1; + + v->granulepos=-1; + v->sequence=-1; + v->sample_count=-1; + } + return 0; +} + +int vorbis_dsp_init(vorbis_dsp_state *v,vorbis_info *vi){ + int i; + + codec_setup_info *ci=(codec_setup_info *)vi->codec_setup; + + v->vi=vi; + + v->work=(ogg_int32_t **)_ogg_malloc(vi->channels*sizeof(*v->work)); + v->mdctright=(ogg_int32_t **)_ogg_malloc(vi->channels*sizeof(*v->mdctright)); + for(i=0;ichannels;i++){ + v->work[i]=(ogg_int32_t *)_ogg_calloc(1,(ci->blocksizes[1]>>1)* + sizeof(*v->work[i])); + v->mdctright[i]=(ogg_int32_t *)_ogg_calloc(1,(ci->blocksizes[1]>>2)* + sizeof(*v->mdctright[i])); + } + + v->lW=0; /* previous window size */ + v->W=0; /* current window size */ + + vorbis_dsp_restart(v); + return 0; +} + +vorbis_dsp_state *vorbis_dsp_create(vorbis_info *vi){ + vorbis_dsp_state *v=_ogg_calloc(1,sizeof(*v)); + vorbis_dsp_init(v,vi); + return v; +} + +void vorbis_dsp_clear(vorbis_dsp_state *v){ + int i; + if(v){ + vorbis_info *vi=v->vi; + + if(v->work){ + for(i=0;ichannels;i++) + if(v->work[i])_ogg_free(v->work[i]); + _ogg_free(v->work); + } + if(v->mdctright){ + for(i=0;ichannels;i++) + if(v->mdctright[i])_ogg_free(v->mdctright[i]); + _ogg_free(v->mdctright); + } + } +} + +void vorbis_dsp_destroy(vorbis_dsp_state *v){ + vorbis_dsp_clear(v); + _ogg_free(v); +} + +static LOOKUP_T *_vorbis_window(int left){ + switch(left){ + case 32: + return vwin64; + case 64: + return vwin128; + case 128: + return vwin256; + case 256: + return vwin512; + case 512: + return vwin1024; + case 1024: + return vwin2048; + case 2048: + return vwin4096; +#ifndef LIMIT_TO_64kHz + case 4096: + return vwin8192; +#endif + default: + return(0); + } +} + +/* pcm==0 indicates we just want the pending samples, no more */ +int vorbis_dsp_pcmout(vorbis_dsp_state *v,ogg_int16_t *pcm,int samples){ + vorbis_info *vi=v->vi; + codec_setup_info *ci=(codec_setup_info *)vi->codec_setup; + if(v->out_begin>-1 && v->out_beginout_end){ + int n=v->out_end-v->out_begin; + if(pcm){ + int i; + if(n>samples)n=samples; + for(i=0;ichannels;i++) + mdct_unroll_lap(ci->blocksizes[0],ci->blocksizes[1], + v->lW,v->W,v->work[i],v->mdctright[i], + _vorbis_window(ci->blocksizes[0]>>1), + _vorbis_window(ci->blocksizes[1]>>1), + pcm+i,vi->channels, + v->out_begin,v->out_begin+n); + } + return(n); + } + return(0); +} + +int vorbis_dsp_read(vorbis_dsp_state *v,int s){ + if(s && v->out_begin+s>v->out_end)return(OV_EINVAL); + v->out_begin+=s; + return(0); +} + +long vorbis_packet_blocksize(vorbis_info *vi,ogg_packet *op){ + codec_setup_info *ci=(codec_setup_info *)vi->codec_setup; + oggpack_buffer opb; + int mode; + int modebits=0; + int v=ci->modes; + + oggpack_readinit(&opb,op->packet); + + /* Check the packet type */ + if(oggpack_read(&opb,1)!=0){ + /* Oops. This is not an audio data packet */ + return(OV_ENOTAUDIO); + } + + while(v>1){ + modebits++; + v>>=1; + } + + /* read our mode and pre/post windowsize */ + mode=oggpack_read(&opb,modebits); + if(mode==-1)return(OV_EBADPACKET); + return(ci->blocksizes[ci->mode_param[mode].blockflag]); +} + + +static int ilog(ogg_uint32_t v){ + int ret=0; + if(v)--v; + while(v){ + ret++; + v>>=1; + } + return(ret); +} + +int vorbis_dsp_synthesis(vorbis_dsp_state *vd,ogg_packet *op,int decodep){ + vorbis_info *vi=vd->vi; + codec_setup_info *ci=(codec_setup_info *)vi->codec_setup; + int mode,i; + + oggpack_readinit(&vd->opb,op->packet); + + /* Check the packet type */ + if(oggpack_read(&vd->opb,1)!=0){ + /* Oops. This is not an audio data packet */ + return OV_ENOTAUDIO ; + } + + /* read our mode and pre/post windowsize */ + mode=oggpack_read(&vd->opb,ilog(ci->modes)); + if(mode==-1 || mode>=ci->modes) return OV_EBADPACKET; + + /* shift information we still need from last window */ + vd->lW=vd->W; + vd->W=ci->mode_param[mode].blockflag; + for(i=0;ichannels;i++) + mdct_shift_right(ci->blocksizes[vd->lW],vd->work[i],vd->mdctright[i]); + + if(vd->W){ + int temp; + oggpack_read(&vd->opb,1); + temp=oggpack_read(&vd->opb,1); + if(temp==-1) return OV_EBADPACKET; + } + + /* packet decode and portions of synthesis that rely on only this block */ + if(decodep){ + mapping_inverse(vd,ci->map_param+ci->mode_param[mode].mapping); + + if(vd->out_begin==-1){ + vd->out_begin=0; + vd->out_end=0; + }else{ + vd->out_begin=0; + vd->out_end=ci->blocksizes[vd->lW]/4+ci->blocksizes[vd->W]/4; + } + } + + /* track the frame number... This is for convenience, but also + making sure our last packet doesn't end with added padding. + + This is not foolproof! It will be confused if we begin + decoding at the last page after a seek or hole. In that case, + we don't have a starting point to judge where the last frame + is. For this reason, vorbisfile will always try to make sure + it reads the last two marked pages in proper sequence */ + + /* if we're out of sequence, dump granpos tracking until we sync back up */ + if(vd->sequence==-1 || vd->sequence+1 != op->packetno-3){ + /* out of sequence; lose count */ + vd->granulepos=-1; + vd->sample_count=-1; + } + + vd->sequence=op->packetno; + vd->sequence=vd->sequence-3; + + if(vd->sample_count==-1){ + vd->sample_count=0; + }else{ + vd->sample_count+= + ci->blocksizes[vd->lW]/4+ci->blocksizes[vd->W]/4; + } + + if(vd->granulepos==-1){ + if(op->granulepos!=-1){ /* only set if we have a + position to set to */ + + vd->granulepos=op->granulepos; + + /* is this a short page? */ + if(vd->sample_count>vd->granulepos){ + /* corner case; if this is both the first and last audio page, + then spec says the end is cut, not beginning */ + if(op->e_o_s){ + /* trim the end */ + /* no preceeding granulepos; assume we started at zero (we'd + have to in a short single-page stream) */ + /* granulepos could be -1 due to a seek, but that would result + in a long coun t, not short count */ + + vd->out_end-=(int)(vd->sample_count-vd->granulepos); + }else{ + /* trim the beginning */ + vd->out_begin+=(int)(vd->sample_count-vd->granulepos); + if(vd->out_begin>vd->out_end) + vd->out_begin=vd->out_end; + } + + } + + } + }else{ + vd->granulepos+= + ci->blocksizes[vd->lW]/4+ci->blocksizes[vd->W]/4; + if(op->granulepos!=-1 && vd->granulepos!=op->granulepos){ + + if(vd->granulepos>op->granulepos){ + long extra=(long)(vd->granulepos-op->granulepos); + + if(extra) + if(op->e_o_s){ + /* partial last frame. Strip the extra samples off */ + vd->out_end-=extra; + } /* else {Shouldn't happen *unless* the bitstream is out of + spec. Either way, believe the bitstream } */ + } /* else {Shouldn't happen *unless* the bitstream is out of + spec. Either way, believe the bitstream } */ + vd->granulepos=op->granulepos; + } + } + + return(0); +} diff --git a/sources/tremolo/Tremolo/floor0.c b/sources/tremolo/Tremolo/floor0.c new file mode 100644 index 00000000..581efcbd --- /dev/null +++ b/sources/tremolo/Tremolo/floor0.c @@ -0,0 +1,448 @@ +/************************************************************************ + * Copyright (C) 2002-2009, Xiph.org Foundation + * Copyright (C) 2010, Robin Watts for Pinknoise Productions Ltd + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above + * copyright notice, this list of conditions and the following disclaimer + * in the documentation and/or other materials provided with the + * distribution. + * * Neither the names of the Xiph.org Foundation nor Pinknoise + * Productions Ltd nor the names of its contributors may be used to + * endorse or promote products derived from this software without + * specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + ************************************************************************ + + function: floor backend 0 implementation + + ************************************************************************/ + +#include +#include +#include +#include "ogg.h" +#include "ivorbiscodec.h" +#include "codec_internal.h" +#include "codebook.h" +#include "misc.h" +#include "os.h" + +#define LSP_FRACBITS 14 +extern const ogg_int32_t FLOOR_fromdB_LOOKUP[]; + +/*************** LSP decode ********************/ + +#include "lsp_lookup.h" + +/* interpolated 1./sqrt(p) where .5 <= a < 1. (.100000... to .111111...) in + 16.16 format + returns in m.8 format */ + +static long ADJUST_SQRT2[2]={8192,5792}; +static inline ogg_int32_t vorbis_invsqlook_i(long a,long e){ + long i=(a&0x7fff)>>(INVSQ_LOOKUP_I_SHIFT-1); + long d=a&INVSQ_LOOKUP_I_MASK; /* 0.10 */ + long val=INVSQ_LOOKUP_I[i]- /* 1.16 */ + ((INVSQ_LOOKUP_IDel[i]*d)>>INVSQ_LOOKUP_I_SHIFT); /* result 1.16 */ + val*=ADJUST_SQRT2[e&1]; + e=(e>>1)+21; + return(val>>e); +} + +/* interpolated lookup based fromdB function, domain -140dB to 0dB only */ +/* a is in n.12 format */ +#ifdef _LOW_ACCURACY_ +static inline ogg_int32_t vorbis_fromdBlook_i(long a){ + if(a>0) return 0x7fffffff; + if(a<(int)(((unsigned)-140)<<12)) return 0; + return FLOOR_fromdB_LOOKUP[((a+140)*467)>>20]<<9; +} +#else +static inline ogg_int32_t vorbis_fromdBlook_i(long a){ + if(a>0) return 0x7fffffff; + if(a<(int)(((unsigned)-140)<<12)) return 0; + return FLOOR_fromdB_LOOKUP[((a+(140<<12))*467)>>20]; +} +#endif + +/* interpolated lookup based cos function, domain 0 to PI only */ +/* a is in 0.16 format, where 0==0, 2^^16-1==PI, return 0.14 */ +static inline ogg_int32_t vorbis_coslook_i(long a){ + int i=a>>COS_LOOKUP_I_SHIFT; + int d=a&COS_LOOKUP_I_MASK; + return COS_LOOKUP_I[i]- ((d*(COS_LOOKUP_I[i]-COS_LOOKUP_I[i+1]))>> + COS_LOOKUP_I_SHIFT); +} + +/* interpolated half-wave lookup based cos function */ +/* a is in 0.16 format, where 0==0, 2^^16==PI, return .LSP_FRACBITS */ +static inline ogg_int32_t vorbis_coslook2_i(long a){ + int i=a>>COS_LOOKUP_I_SHIFT; + int d=a&COS_LOOKUP_I_MASK; + return ((COS_LOOKUP_I[i]<> + (COS_LOOKUP_I_SHIFT-LSP_FRACBITS+14); +} + +static const ogg_uint16_t barklook[54]={ + 0,51,102,154, 206,258,311,365, + 420,477,535,594, 656,719,785,854, + 926,1002,1082,1166, 1256,1352,1454,1564, + 1683,1812,1953,2107, 2276,2463,2670,2900, + 3155,3440,3756,4106, 4493,4919,5387,5901, + 6466,7094,7798,8599, 9528,10623,11935,13524, + 15453,17775,20517,23667, 27183,31004 +}; + +/* used in init only; interpolate the long way */ +static inline ogg_int32_t toBARK(int n){ + int i; + for(i=0;i<54;i++) + if(n>=barklook[i] && n>17); + } +} + +static const unsigned char MLOOP_1[64]={ + 0,10,11,11, 12,12,12,12, 13,13,13,13, 13,13,13,13, + 14,14,14,14, 14,14,14,14, 14,14,14,14, 14,14,14,14, + 15,15,15,15, 15,15,15,15, 15,15,15,15, 15,15,15,15, + 15,15,15,15, 15,15,15,15, 15,15,15,15, 15,15,15,15, +}; + +static const unsigned char MLOOP_2[64]={ + 0,4,5,5, 6,6,6,6, 7,7,7,7, 7,7,7,7, + 8,8,8,8, 8,8,8,8, 8,8,8,8, 8,8,8,8, + 9,9,9,9, 9,9,9,9, 9,9,9,9, 9,9,9,9, + 9,9,9,9, 9,9,9,9, 9,9,9,9, 9,9,9,9, +}; + +static const unsigned char MLOOP_3[8]={0,1,2,2,3,3,3,3}; + +void vorbis_lsp_to_curve(ogg_int32_t *curve,int n,int ln, + ogg_int32_t *lsp,int m, + ogg_int32_t amp, + ogg_int32_t ampoffset, + ogg_int32_t nyq){ + + /* 0 <= m < 256 */ + + /* set up for using all int later */ + int i; + int ampoffseti=ampoffset*4096; + int ampi=amp; + ogg_int32_t *ilsp=(ogg_int32_t *)alloca(m*sizeof(*ilsp)); + + ogg_uint32_t inyq= (1UL<<31) / toBARK(nyq); + ogg_uint32_t imap= (1UL<<31) / ln; + ogg_uint32_t tBnyq1 = toBARK(nyq)<<1; + + /* Besenham for frequency scale to avoid a division */ + int f=0; + int fdx=n; + int fbase=nyq/fdx; + int ferr=0; + int fdy=nyq-fbase*fdx; + int map=0; + +#ifdef _LOW_ACCURACY_ + ogg_uint32_t nextbark=((tBnyq1<<11)/ln)>>12; +#else + ogg_uint32_t nextbark=MULT31(imap>>1,tBnyq1); +#endif + int nextf=barklook[nextbark>>14]+(((nextbark&0x3fff)* + (barklook[(nextbark>>14)+1]-barklook[nextbark>>14]))>>14); + + /* lsp is in 8.24, range 0 to PI; coslook wants it in .16 0 to 1*/ + for(i=0;i>10)*0x517d)>>14; +#endif + + /* safeguard against a malicious stream */ + if(val<0 || (val>>COS_LOOKUP_I_SHIFT)>=COS_LOOKUP_I_SZ){ + memset(curve,0,sizeof(*curve)*n); + return; + } + + ilsp[i]=vorbis_coslook_i(val); + } + + i=0; + while(i>15); + + +#ifdef _V_LSP_MATH_ASM + lsp_loop_asm(&qi,&pi,&qexp,ilsp,wi,m); + + pi=((pi*pi)>>16); + qi=((qi*qi)>>16); + + if(m&1){ + qexp= qexp*2-28*((m+1)>>1)+m; + pi*=(1<<14)-((wi*wi)>>14); + qi+=pi>>14; + }else{ + qexp= qexp*2-13*m; + + pi*=(1<<14)-wi; + qi*=(1<<14)+wi; + + qi=(qi+pi)>>14; + } + + if(qi&0xffff0000){ /* checks for 1.xxxxxxxxxxxxxxxx */ + qi>>=1; qexp++; + }else + lsp_norm_asm(&qi,&qexp); + +#else + + qi*=labs(ilsp[0]-wi); + pi*=labs(ilsp[1]-wi); + + for(j=3;j>25])) + if(!(shift=MLOOP_2[(pi|qi)>>19])) + shift=MLOOP_3[(pi|qi)>>16]; + + qi=(qi>>shift)*labs(ilsp[j-1]-wi); + pi=(pi>>shift)*labs(ilsp[j]-wi); + qexp+=shift; + } + if(!(shift=MLOOP_1[(pi|qi)>>25])) + if(!(shift=MLOOP_2[(pi|qi)>>19])) + shift=MLOOP_3[(pi|qi)>>16]; + + /* pi,qi normalized collectively, both tracked using qexp */ + + if(m&1){ + /* odd order filter; slightly assymetric */ + /* the last coefficient */ + qi=(qi>>shift)*labs(ilsp[j-1]-wi); + pi=(pi>>shift)<<14; + qexp+=shift; + + if(!(shift=MLOOP_1[(pi|qi)>>25])) + if(!(shift=MLOOP_2[(pi|qi)>>19])) + shift=MLOOP_3[(pi|qi)>>16]; + + pi>>=shift; + qi>>=shift; + qexp+=shift-14*((m+1)>>1); + + pi=((pi*pi)>>16); + qi=((qi*qi)>>16); + qexp=qexp*2+m; + + pi*=(1<<14)-((wi*wi)>>14); + qi+=pi>>14; + + }else{ + /* even order filter; still symmetric */ + + /* p*=p(1-w), q*=q(1+w), let normalization drift because it isn't + worth tracking step by step */ + + pi>>=shift; + qi>>=shift; + qexp+=shift-7*m; + + pi=((pi*pi)>>16); + qi=((qi*qi)>>16); + qexp=qexp*2+m; + + pi*=(1<<14)-wi; + qi*=(1<<14)+wi; + qi=(qi+pi)>>14; + + } + + + /* we've let the normalization drift because it wasn't important; + however, for the lookup, things must be normalized again. We + need at most one right shift or a number of left shifts */ + + if(qi&0xffff0000){ /* checks for 1.xxxxxxxxxxxxxxxx */ + qi>>=1; qexp++; + }else + while(qi && !(qi&0x8000)){ /* checks for 0.0xxxxxxxxxxxxxxx or less*/ + qi<<=1; qexp--; + } + +#endif + + amp=vorbis_fromdBlook_i(ampi* /* n.4 */ + vorbis_invsqlook_i(qi,qexp)- + /* m.8, m+n<=8 */ + ampoffseti); /* 8.12[0] */ + +#ifdef _LOW_ACCURACY_ + amp>>=9; +#endif + curve[i]= MULT31_SHIFT15(curve[i],amp); + + while(++i=fdx){ + ferr-=fdx; + f++; + } + f+=fbase; + + if(f>=nextf)break; + + curve[i]= MULT31_SHIFT15(curve[i],amp); + } + + while(1){ + map++; + + if(map+1>12; +#else + nextbark=MULT31((map+1)*(imap>>1),tBnyq1); +#endif + nextf=barklook[nextbark>>14]+ + (((nextbark&0x3fff)* + (barklook[(nextbark>>14)+1]-barklook[nextbark>>14]))>>14); + if(f<=nextf)break; + + }else{ + nextf=9999999; + break; + } + } + if(map>=ln){ + map=ln-1; /* guard against the approximation */ + nextf=9999999; + } + } +} + +/*************** vorbis decode glue ************/ + +void floor0_free_info(vorbis_info_floor *i){ + vorbis_info_floor0 *info=(vorbis_info_floor0 *)i; + if(info)_ogg_free(info); +} + +vorbis_info_floor *floor0_info_unpack (vorbis_info *vi,oggpack_buffer *opb){ + codec_setup_info *ci=(codec_setup_info *)vi->codec_setup; + int j; + + vorbis_info_floor0 *info=(vorbis_info_floor0 *)_ogg_malloc(sizeof(*info)); + info->order=oggpack_read(opb,8); + info->rate=oggpack_read(opb,16); + info->barkmap=oggpack_read(opb,16); + info->ampbits=oggpack_read(opb,6); + info->ampdB=oggpack_read(opb,8); + info->numbooks=oggpack_read(opb,4)+1; + + if(info->order<1)goto err_out; + if(info->rate<1)goto err_out; + if(info->barkmap<1)goto err_out; + + for(j=0;jnumbooks;j++){ + info->books[j]=(char)oggpack_read(opb,8); + if(info->books[j]>=ci->books)goto err_out; + } + + if(oggpack_eop(opb))goto err_out; + return(info); + + err_out: + floor0_free_info(info); + return(NULL); +} + +int floor0_memosize(vorbis_info_floor *i){ + vorbis_info_floor0 *info=(vorbis_info_floor0 *)i; + return info->order+1; +} + +ogg_int32_t *floor0_inverse1(vorbis_dsp_state *vd,vorbis_info_floor *i, + ogg_int32_t *lsp){ + vorbis_info_floor0 *info=(vorbis_info_floor0 *)i; + int j,k; + + int ampraw=oggpack_read(&vd->opb,info->ampbits); + if(ampraw>0){ /* also handles the -1 out of data case */ + long maxval=(1<ampbits)-1; + int amp=((ampraw*info->ampdB)<<4)/maxval; + int booknum=oggpack_read(&vd->opb,_ilog(info->numbooks)); + + if(booknum!=-1 && booknumnumbooks){ /* be paranoid */ + codec_setup_info *ci=(codec_setup_info *)vd->vi->codec_setup; + codebook *b=ci->book_param+info->books[booknum]; + ogg_int32_t last=0; + + for(j=0;jorder;j+=b->dim) + if(vorbis_book_decodev_set(b,lsp+j,&vd->opb,b->dim,-24)==-1)goto eop; + for(j=0;jorder;){ + for(k=0;kdim;k++,j++)lsp[j]+=last; + last=lsp[j-1]; + } + + lsp[info->order]=amp; + return(lsp); + } + } + eop: + return(NULL); +} + +int floor0_inverse2(vorbis_dsp_state *vd,vorbis_info_floor *i, + ogg_int32_t *lsp,ogg_int32_t *out){ + vorbis_info_floor0 *info=(vorbis_info_floor0 *)i; + codec_setup_info *ci=(codec_setup_info *)vd->vi->codec_setup; + + if(lsp){ + ogg_int32_t amp=lsp[info->order]; + + /* take the coefficients back to a spectral envelope curve */ + vorbis_lsp_to_curve(out,ci->blocksizes[vd->W]/2,info->barkmap, + lsp,info->order,amp,info->ampdB, + info->rate>>1); + return(1); + } + memset(out,0,sizeof(*out)*ci->blocksizes[vd->W]/2); + return(0); +} + diff --git a/sources/tremolo/Tremolo/floor1.c b/sources/tremolo/Tremolo/floor1.c new file mode 100644 index 00000000..3799f50c --- /dev/null +++ b/sources/tremolo/Tremolo/floor1.c @@ -0,0 +1,407 @@ +/************************************************************************ + * Copyright (C) 2002-2009, Xiph.org Foundation + * Copyright (C) 2010, Robin Watts for Pinknoise Productions Ltd + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above + * copyright notice, this list of conditions and the following disclaimer + * in the documentation and/or other materials provided with the + * distribution. + * * Neither the names of the Xiph.org Foundation nor Pinknoise + * Productions Ltd nor the names of its contributors may be used to + * endorse or promote products derived from this software without + * specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + ************************************************************************ + + function: floor backend 1 implementation + + ************************************************************************/ + +#include +#include +#include +#include "ogg.h" +#include "ivorbiscodec.h" +#include "codec_internal.h" +#include "codebook.h" +#include "misc.h" + +extern const ogg_int32_t FLOOR_fromdB_LOOKUP[]; +#define floor1_rangedB 140 /* floor 1 fixed at -140dB to 0dB range */ +#define VIF_POSIT 63 + +/***********************************************/ + +void floor1_free_info(vorbis_info_floor *i){ + vorbis_info_floor1 *info=(vorbis_info_floor1 *)i; + if(info){ + if(info->klass)_ogg_free(info->klass); + if(info->partitionclass)_ogg_free(info->partitionclass); + if(info->postlist)_ogg_free(info->postlist); + if(info->forward_index)_ogg_free(info->forward_index); + if(info->hineighbor)_ogg_free(info->hineighbor); + if(info->loneighbor)_ogg_free(info->loneighbor); + memset(info,0,sizeof(*info)); + _ogg_free(info); + } +} + +static int ilog(unsigned int v){ + int ret=0; + while(v){ + ret++; + v>>=1; + } + return(ret); +} + +static void floor1_mergesort(ogg_uint8_t *index,ogg_uint16_t *vals,ogg_uint16_t n){ + ogg_uint16_t i,j; + ogg_uint8_t *temp,*A=index,*B=_ogg_malloc(n*sizeof(*B)); + + for(i=1;icodec_setup; + int j,k,count=0,maxclass=-1,rangebits; + + vorbis_info_floor1 *info=(vorbis_info_floor1 *)_ogg_calloc(1,sizeof(*info)); + /* read partitions */ + info->partitions=oggpack_read(opb,5); /* only 0 to 31 legal */ + info->partitionclass= + (ogg_uint8_t *)_ogg_malloc(info->partitions*sizeof(*info->partitionclass)); + for(j=0;jpartitions;j++){ + info->partitionclass[j]=(char)oggpack_read(opb,4); /* only 0 to 15 legal */ + if(maxclasspartitionclass[j])maxclass=info->partitionclass[j]; + } + + /* read partition classes */ + info->klass= + (floor1class *)_ogg_malloc((maxclass+1)*sizeof(*info->klass)); + for(j=0;jklass[j].class_dim=(char)oggpack_read(opb,3)+1; /* 1 to 8 */ + info->klass[j].class_subs=(char)oggpack_read(opb,2); /* 0,1,2,3 bits */ + if(oggpack_eop(opb)<0) goto err_out; + if(info->klass[j].class_subs) + info->klass[j].class_book=(unsigned char)oggpack_read(opb,8); + else + info->klass[j].class_book=0; + if(info->klass[j].class_book>=ci->books)goto err_out; + for(k=0;k<(1<klass[j].class_subs);k++){ + info->klass[j].class_subbook[k]=(unsigned char)(oggpack_read(opb,8)-1); + if(info->klass[j].class_subbook[k]>=ci->books && + info->klass[j].class_subbook[k]!=0xff)goto err_out; + } + } + + /* read the post list */ + info->mult=oggpack_read(opb,2)+1; /* only 1,2,3,4 legal now */ + rangebits=oggpack_read(opb,4); + + for(j=0,k=0;jpartitions;j++) + count+=info->klass[info->partitionclass[j]].class_dim; + info->postlist= + (ogg_uint16_t *)_ogg_malloc((count+2)*sizeof(*info->postlist)); + info->forward_index= + (ogg_uint8_t *)_ogg_malloc((count+2)*sizeof(*info->forward_index)); + info->loneighbor= + (ogg_uint8_t *)_ogg_malloc(count*sizeof(*info->loneighbor)); + info->hineighbor= + (ogg_uint8_t *)_ogg_malloc(count*sizeof(*info->hineighbor)); + + count=0; + for(j=0,k=0;jpartitions;j++){ + count+=info->klass[info->partitionclass[j]].class_dim; + for(;kpostlist[k+2]=(ogg_uint16_t)oggpack_read(opb,rangebits); + if(t>=(1<postlist[0]=0; + info->postlist[1]=1<posts=count+2; + + /* also store a sorted position index */ + for(j=0;jposts;j++)info->forward_index[j]=j; + floor1_mergesort(info->forward_index,info->postlist,info->posts); + + /* discover our neighbors for decode where we don't use fit flags + (that would push the neighbors outward) */ + for(j=0;jposts-2;j++){ + int lo=0; + int hi=1; + int lx=0; + int hx=info->postlist[1]; + int currentx=info->postlist[j+2]; + for(k=0;kpostlist[k]; + if(x>lx && xcurrentx){ + hi=k; + hx=x; + } + } + info->loneighbor[j]=lo; + info->hineighbor[j]=hi; + } + + return(info); + + err_out: + floor1_free_info(info); + return(NULL); +} + +#ifdef ONLY_C +static +#endif +int render_point(int x0,int x1,int y0,int y1,int x){ + y0&=0x7fff; /* mask off flag */ + y1&=0x7fff; + + { + int dy=y1-y0; + int adx=x1-x0; + int ady=abs(dy); + int err=ady*(x-x0); + + int off=err/adx; + if(dy<0)return(y0-off); + return(y0+off); + } +} + +#ifndef ONLY_C +void render_lineARM(int n, ogg_int32_t *d,const ogg_int32_t *floor, int base, int err, int adx, int ady); +#endif + +static void render_line(int n,int x0,int x1,int y0,int y1,ogg_int32_t *d){ + int dy; + int adx; + int ady; + int base; + int err; + const ogg_int32_t *floor; + + if(n>x1)n=x1; + n -= x0; + if (n <= 0 || y0 < 0 || y0 > 255 || y1 < 0 || y1 > 255) { + return; + } + dy=y1-y0; + adx=x1-x0; + ady=abs(dy); + base=dy/adx; + err=adx-1; + floor=&FLOOR_fromdB_LOOKUP[y0]; + d += x0; + ady-=abs(base*adx); + + /* We should add base each time, and then: + * if dy >=0 we occasionally add 1 + * else occasionally subtract 1. + * As an optimisation we say that if dy <0 we make base 1 smaller. + * Then we need to add 1 occassionally, rather than subtract 1 - but we + * need to add 1 in all the cases when we wouldn't have done so before. + * Previously we'd have added 1 (100*ady/adx)% of the time. Now we want + * to do so (100*(adx-ady)/adx)% of the time. + */ + if (dy < 0){ + base--; + ady = adx-ady; + err = 0; + } + + //if(x0); +#else + render_lineARM(n,d,floor,base,err,adx,ady); +#endif +} + +int floor1_memosize(vorbis_info_floor *i){ + vorbis_info_floor1 *info=(vorbis_info_floor1 *)i; + return info->posts; +} + +static int quant_look[4]={256,128,86,64}; + +ogg_int32_t *floor1_inverse1(vorbis_dsp_state *vd,vorbis_info_floor *in, + ogg_int32_t *fit_value){ + vorbis_info_floor1 *info=(vorbis_info_floor1 *)in; + codec_setup_info *ci=(codec_setup_info *)vd->vi->codec_setup; + + int i,j,k; + codebook *books=ci->book_param; + int quant_q=quant_look[info->mult-1]; + + /* unpack wrapped/predicted values from stream */ + if(oggpack_read(&vd->opb,1)==1){ + fit_value[0]=oggpack_read(&vd->opb,ilog(quant_q-1)); + fit_value[1]=oggpack_read(&vd->opb,ilog(quant_q-1)); + + /* partition by partition */ + /* partition by partition */ + for(i=0,j=2;ipartitions;i++){ + int classv=info->partitionclass[i]; + int cdim=info->klass[classv].class_dim; + int csubbits=info->klass[classv].class_subs; + int csub=1<klass[classv].class_book,&vd->opb); + + if(cval==-1)goto eop; + } + + for(k=0;kklass[classv].class_subbook[cval&(csub-1)]; + cval>>=csubbits; + if(book!=0xff){ + if((fit_value[j+k]=vorbis_book_decode(books+book,&vd->opb))==-1) + goto eop; + }else{ + fit_value[j+k]=0; + } + } + j+=cdim; + } + + /* unwrap positive values and reconsitute via linear interpolation */ + for(i=2;iposts;i++){ + int predicted=render_point(info->postlist[info->loneighbor[i-2]], + info->postlist[info->hineighbor[i-2]], + fit_value[info->loneighbor[i-2]], + fit_value[info->hineighbor[i-2]], + info->postlist[i]); + int hiroom=quant_q-predicted; + int loroom=predicted; + int room=(hiroom=room){ + if(hiroom>loroom){ + val = val-loroom; + }else{ + val = -1-(val-hiroom); + } + }else{ + if(val&1){ + val= -((val+1)>>1); + }else{ + val>>=1; + } + } + + fit_value[i]=val+predicted; + fit_value[info->loneighbor[i-2]]&=0x7fff; + fit_value[info->hineighbor[i-2]]&=0x7fff; + + }else{ + fit_value[i]=predicted|0x8000; + } + + } + + return(fit_value); + } + eop: + return(NULL); +} + +int floor1_inverse2(vorbis_dsp_state *vd,vorbis_info_floor *in, + ogg_int32_t *fit_value,ogg_int32_t *out){ + vorbis_info_floor1 *info=(vorbis_info_floor1 *)in; + + codec_setup_info *ci=(codec_setup_info *)vd->vi->codec_setup; + int n=ci->blocksizes[vd->W]/2; + int j; + + if(fit_value){ + /* render the lines */ + int hx=0; + int lx=0; + int ly=fit_value[0]*info->mult; + for(j=1;jposts;j++){ + int current=info->forward_index[j]; + int hy=fit_value[current]&0x7fff; + if(hy==fit_value[current]){ + + hy*=info->mult; + hx=info->postlist[current]; + + render_line(n,lx,hx,ly,hy,out); + + lx=hx; + ly=hy; + } + } + for(j=hx;j = err + @ <> = adx + @ <> = ady + MOV r12,r13 + STMFD r13!,{r4-r6,r11,r14} + LDMFD r12,{r11,r12,r14} @ r11 = err + @ r12 = adx + @ r14 = ady +rl_loop: + LDR r4,[r1] @ r4 = *d + LDR r5,[r2],r3,LSL #2 @ r5 = *floor r2 = floor+base + SUBS r11,r11,r14 @ err -= ady + ADDLT r11,r11,r12 @ if (err < 0) err+=adx + SMULL r6, r5, r4, r5 @ (r6,r5) = *d * *floor + ADDLT r2, r2, #4 @ floor+=1 + MOVS r6, r6, LSR #15 + ADC r5, r6, r5, LSL #17 @ r5 = MULT31_SHIFT15 + STR r5,[r1],#4 + SUBS r0, r0, #1 + BGT rl_loop + + LDMFD r13!,{r4-r6,r11,PC} + + @ END diff --git a/sources/tremolo/Tremolo/floor1LARM.s b/sources/tremolo/Tremolo/floor1LARM.s new file mode 100644 index 00000000..48b794cd --- /dev/null +++ b/sources/tremolo/Tremolo/floor1LARM.s @@ -0,0 +1,66 @@ +@ Tremolo library +@----------------------------------------------------------------------- +@ Copyright (C) 2002-2009, Xiph.org Foundation +@ Copyright (C) 2010, Robin Watts for Pinknoise Productions Ltd +@ All rights reserved. + +@ Redistribution and use in source and binary forms, with or without +@ modification, are permitted provided that the following conditions +@ are met: + +@ * Redistributions of source code must retain the above copyright +@ notice, this list of conditions and the following disclaimer. +@ * Redistributions in binary form must reproduce the above +@ copyright notice, this list of conditions and the following disclaimer +@ in the documentation and/or other materials provided with the +@ distribution. +@ * Neither the names of the Xiph.org Foundation nor Pinknoise +@ Productions Ltd nor the names of its contributors may be used to +@ endorse or promote products derived from this software without +@ specific prior written permission. +@ +@ THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +@ "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +@ LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +@ A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +@ OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +@ SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +@ LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +@ DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +@ THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +@ (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +@ OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +@ ---------------------------------------------------------------------- + + .text + + .global render_lineARM + +render_lineARM: + @ r0 = n + @ r1 = d + @ r2 = floor + @ r3 = base + @ <> = err + @ <> = adx + @ <> = ady + MOV r12,r13 + STMFD r13!,{r4-r6,r11,r14} + LDMFD r12,{r11,r12,r14} @ r11 = err + @ r12 = adx + @ r14 = ady +rl_loop: + LDR r4, [r1] @ r4 = *d + LDR r5, [r2], r3,LSL #2 @ r5 = *floor r2 = floor+base + SUBS r11,r11,r14 @ err -= ady + MOV r4, r4, ASR #6 + MUL r5, r4, r5 @ r5 = MULT31_SHIFT15 + ADDLT r11,r11,r12 @ if (err < 0) err+=adx + ADDLT r2, r2, #4 @ floor+=1 + SUBS r0, r0, #1 + STR r5, [r1], #4 + BGT rl_loop + + LDMFD r13!,{r4-r6,r11,PC} + + @ END diff --git a/sources/tremolo/Tremolo/floor_lookup.c b/sources/tremolo/Tremolo/floor_lookup.c new file mode 100644 index 00000000..91c585c2 --- /dev/null +++ b/sources/tremolo/Tremolo/floor_lookup.c @@ -0,0 +1,112 @@ +/************************************************************************ + * Copyright (C) 2002-2009, Xiph.org Foundation + * Copyright (C) 2010, Robin Watts for Pinknoise Productions Ltd + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above + * copyright notice, this list of conditions and the following disclaimer + * in the documentation and/or other materials provided with the + * distribution. + * * Neither the names of the Xiph.org Foundation nor Pinknoise + * Productions Ltd nor the names of its contributors may be used to + * endorse or promote products derived from this software without + * specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + ************************************************************************ + + function: floor dB lookup + + ************************************************************************/ + +#include "os.h" + +#ifdef _LOW_ACCURACY_ +# define XdB(n) ((((n)>>8)+1)>>1) +#else +# define XdB(n) (n) +#endif + +const ogg_int32_t FLOOR_fromdB_LOOKUP[256]={ + XdB(0x000000e5), XdB(0x000000f4), XdB(0x00000103), XdB(0x00000114), + XdB(0x00000126), XdB(0x00000139), XdB(0x0000014e), XdB(0x00000163), + XdB(0x0000017a), XdB(0x00000193), XdB(0x000001ad), XdB(0x000001c9), + XdB(0x000001e7), XdB(0x00000206), XdB(0x00000228), XdB(0x0000024c), + XdB(0x00000272), XdB(0x0000029b), XdB(0x000002c6), XdB(0x000002f4), + XdB(0x00000326), XdB(0x0000035a), XdB(0x00000392), XdB(0x000003cd), + XdB(0x0000040c), XdB(0x00000450), XdB(0x00000497), XdB(0x000004e4), + XdB(0x00000535), XdB(0x0000058c), XdB(0x000005e8), XdB(0x0000064a), + XdB(0x000006b3), XdB(0x00000722), XdB(0x00000799), XdB(0x00000818), + XdB(0x0000089e), XdB(0x0000092e), XdB(0x000009c6), XdB(0x00000a69), + XdB(0x00000b16), XdB(0x00000bcf), XdB(0x00000c93), XdB(0x00000d64), + XdB(0x00000e43), XdB(0x00000f30), XdB(0x0000102d), XdB(0x0000113a), + XdB(0x00001258), XdB(0x0000138a), XdB(0x000014cf), XdB(0x00001629), + XdB(0x0000179a), XdB(0x00001922), XdB(0x00001ac4), XdB(0x00001c82), + XdB(0x00001e5c), XdB(0x00002055), XdB(0x0000226f), XdB(0x000024ac), + XdB(0x0000270e), XdB(0x00002997), XdB(0x00002c4b), XdB(0x00002f2c), + XdB(0x0000323d), XdB(0x00003581), XdB(0x000038fb), XdB(0x00003caf), + XdB(0x000040a0), XdB(0x000044d3), XdB(0x0000494c), XdB(0x00004e10), + XdB(0x00005323), XdB(0x0000588a), XdB(0x00005e4b), XdB(0x0000646b), + XdB(0x00006af2), XdB(0x000071e5), XdB(0x0000794c), XdB(0x0000812e), + XdB(0x00008993), XdB(0x00009283), XdB(0x00009c09), XdB(0x0000a62d), + XdB(0x0000b0f9), XdB(0x0000bc79), XdB(0x0000c8b9), XdB(0x0000d5c4), + XdB(0x0000e3a9), XdB(0x0000f274), XdB(0x00010235), XdB(0x000112fd), + XdB(0x000124dc), XdB(0x000137e4), XdB(0x00014c29), XdB(0x000161bf), + XdB(0x000178bc), XdB(0x00019137), XdB(0x0001ab4a), XdB(0x0001c70e), + XdB(0x0001e4a1), XdB(0x0002041f), XdB(0x000225aa), XdB(0x00024962), + XdB(0x00026f6d), XdB(0x000297f0), XdB(0x0002c316), XdB(0x0002f109), + XdB(0x000321f9), XdB(0x00035616), XdB(0x00038d97), XdB(0x0003c8b4), + XdB(0x000407a7), XdB(0x00044ab2), XdB(0x00049218), XdB(0x0004de23), + XdB(0x00052f1e), XdB(0x0005855c), XdB(0x0005e135), XdB(0x00064306), + XdB(0x0006ab33), XdB(0x00071a24), XdB(0x0007904b), XdB(0x00080e20), + XdB(0x00089422), XdB(0x000922da), XdB(0x0009bad8), XdB(0x000a5cb6), + XdB(0x000b091a), XdB(0x000bc0b1), XdB(0x000c8436), XdB(0x000d5471), + XdB(0x000e3233), XdB(0x000f1e5f), XdB(0x001019e4), XdB(0x001125c1), + XdB(0x00124306), XdB(0x001372d5), XdB(0x0014b663), XdB(0x00160ef7), + XdB(0x00177df0), XdB(0x001904c1), XdB(0x001aa4f9), XdB(0x001c603d), + XdB(0x001e384f), XdB(0x00202f0f), XdB(0x0022467a), XdB(0x002480b1), + XdB(0x0026dff7), XdB(0x002966b3), XdB(0x002c1776), XdB(0x002ef4fc), + XdB(0x0032022d), XdB(0x00354222), XdB(0x0038b828), XdB(0x003c67c2), + XdB(0x004054ae), XdB(0x004482e8), XdB(0x0048f6af), XdB(0x004db488), + XdB(0x0052c142), XdB(0x005821ff), XdB(0x005ddc33), XdB(0x0063f5b0), + XdB(0x006a74a7), XdB(0x00715faf), XdB(0x0078bdce), XdB(0x0080967f), + XdB(0x0088f1ba), XdB(0x0091d7f9), XdB(0x009b5247), XdB(0x00a56a41), + XdB(0x00b02a27), XdB(0x00bb9ce2), XdB(0x00c7ce12), XdB(0x00d4ca17), + XdB(0x00e29e20), XdB(0x00f15835), XdB(0x0101074b), XdB(0x0111bb4e), + XdB(0x01238531), XdB(0x01367704), XdB(0x014aa402), XdB(0x016020a7), + XdB(0x017702c3), XdB(0x018f6190), XdB(0x01a955cb), XdB(0x01c4f9cf), + XdB(0x01e269a8), XdB(0x0201c33b), XdB(0x0223265a), XdB(0x0246b4ea), + XdB(0x026c9302), XdB(0x0294e716), XdB(0x02bfda13), XdB(0x02ed9793), + XdB(0x031e4e09), XdB(0x03522ee4), XdB(0x03896ed0), XdB(0x03c445e2), + XdB(0x0402efd6), XdB(0x0445ac4b), XdB(0x048cbefc), XdB(0x04d87013), + XdB(0x05290c67), XdB(0x057ee5ca), XdB(0x05da5364), XdB(0x063bb204), + XdB(0x06a36485), XdB(0x0711d42b), XdB(0x0787710e), XdB(0x0804b299), + XdB(0x088a17ef), XdB(0x0918287e), XdB(0x09af747c), XdB(0x0a50957e), + XdB(0x0afc2f19), XdB(0x0bb2ef7f), XdB(0x0c759034), XdB(0x0d44d6ca), + XdB(0x0e2195bc), XdB(0x0f0cad0d), XdB(0x10070b62), XdB(0x1111aeea), + XdB(0x122da66c), XdB(0x135c120f), XdB(0x149e24d9), XdB(0x15f525b1), + XdB(0x176270e3), XdB(0x18e7794b), XdB(0x1a85c9ae), XdB(0x1c3f06d1), + XdB(0x1e14f07d), XdB(0x200963d7), XdB(0x221e5ccd), XdB(0x2455f870), + XdB(0x26b2770b), XdB(0x29363e2b), XdB(0x2be3db5c), XdB(0x2ebe06b6), + XdB(0x31c7a55b), XdB(0x3503ccd4), XdB(0x3875c5aa), XdB(0x3c210f44), + XdB(0x4009632b), XdB(0x4432b8cf), XdB(0x48a149bc), XdB(0x4d59959e), + XdB(0x52606733), XdB(0x57bad899), XdB(0x5d6e593a), XdB(0x6380b298), + XdB(0x69f80e9a), XdB(0x70dafda8), XdB(0x78307d76), XdB(0x7fffffff), +}; + diff --git a/sources/tremolo/Tremolo/framing.c b/sources/tremolo/Tremolo/framing.c new file mode 100644 index 00000000..4aca8ba8 --- /dev/null +++ b/sources/tremolo/Tremolo/framing.c @@ -0,0 +1,1169 @@ +/************************************************************************ + * Copyright (C) 2002-2009, Xiph.org Foundation + * Copyright (C) 2010, Robin Watts for Pinknoise Productions Ltd + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above + * copyright notice, this list of conditions and the following disclaimer + * in the documentation and/or other materials provided with the + * distribution. + * * Neither the names of the Xiph.org Foundation nor Pinknoise + * Productions Ltd nor the names of its contributors may be used to + * endorse or promote products derived from this software without + * specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + ************************************************************************ + + function: decode Ogg streams back into raw packets + + note: The CRC code is directly derived from public domain code by + Ross Williams (ross@guest.adelaide.edu.au). See docs/framing.html + for details. + + ************************************************************************/ + +#include +#include +#include "ogg.h" +#include "misc.h" + + +/* A complete description of Ogg framing exists in docs/framing.html */ + +/* basic, centralized Ogg memory management based on linked lists of + references to refcounted memory buffers. References and buffers + are both recycled. Buffers are passed around and consumed in + reference form. */ + +static ogg_buffer_state *ogg_buffer_create(void){ + ogg_buffer_state *bs=_ogg_calloc(1,sizeof(*bs)); + return bs; +} + +/* destruction is 'lazy'; there may be memory references outstanding, + and yanking the buffer state out from underneath would be + antisocial. Dealloc what is currently unused and have + _release_one watch for the stragglers to come in. When they do, + finish destruction. */ + +/* call the helper while holding lock */ +static void _ogg_buffer_destroy(ogg_buffer_state *bs){ + ogg_buffer *bt; + ogg_reference *rt; + + if(bs->shutdown){ + + bt=bs->unused_buffers; + rt=bs->unused_references; + + while(bt){ + ogg_buffer *b=bt; + bt=b->ptr.next; + if(b->data)_ogg_free(b->data); + _ogg_free(b); + } + bs->unused_buffers=0; + while(rt){ + ogg_reference *r=rt; + rt=r->next; + _ogg_free(r); + } + bs->unused_references=0; + + if(!bs->outstanding) + _ogg_free(bs); + + } +} + +static void ogg_buffer_destroy(ogg_buffer_state *bs){ + bs->shutdown=1; + _ogg_buffer_destroy(bs); +} + +static ogg_buffer *_fetch_buffer(ogg_buffer_state *bs,long bytes){ + ogg_buffer *ob; + bs->outstanding++; + + /* do we have an unused buffer sitting in the pool? */ + if(bs->unused_buffers){ + ob=bs->unused_buffers; + bs->unused_buffers=ob->ptr.next; + + /* if the unused buffer is too small, grow it */ + if(ob->sizedata=_ogg_realloc(ob->data,bytes); + ob->size=bytes; + } + }else{ + /* allocate a new buffer */ + ob=_ogg_malloc(sizeof(*ob)); + ob->data=_ogg_malloc(bytes<16?16:bytes); + ob->size=bytes; + } + + ob->refcount=1; + ob->ptr.owner=bs; + return ob; +} + +static ogg_reference *_fetch_ref(ogg_buffer_state *bs){ + ogg_reference *or; + bs->outstanding++; + + /* do we have an unused reference sitting in the pool? */ + if(bs->unused_references){ + or=bs->unused_references; + bs->unused_references=or->next; + }else{ + /* allocate a new reference */ + or=_ogg_malloc(sizeof(*or)); + } + + or->begin=0; + or->length=0; + or->next=0; + return or; +} + +/* fetch a reference pointing to a fresh, initially continguous buffer + of at least [bytes] length */ +static ogg_reference *ogg_buffer_alloc(ogg_buffer_state *bs,long bytes){ + ogg_buffer *ob=_fetch_buffer(bs,bytes); + ogg_reference *or=_fetch_ref(bs); + or->buffer=ob; + return or; +} + +/* enlarge the data buffer in the current link */ +static void ogg_buffer_realloc(ogg_reference *or,long bytes){ + ogg_buffer *ob=or->buffer; + + /* if the unused buffer is too small, grow it */ + if(ob->sizedata=_ogg_realloc(ob->data,bytes); + ob->size=bytes; + } +} + +static void _ogg_buffer_mark_one(ogg_reference *or){ + or->buffer->refcount++; +} + +/* increase the refcount of the buffers to which the reference points */ +static void ogg_buffer_mark(ogg_reference *or){ + while(or){ + _ogg_buffer_mark_one(or); + or=or->next; + } +} + +/* duplicate a reference (pointing to the same actual buffer memory) + and increment buffer refcount. If the desired segment is zero + length, a zero length ref is returned. */ +static ogg_reference *ogg_buffer_sub(ogg_reference *or,long length){ + ogg_reference *ret=0,*head=0; + + /* duplicate the reference chain; increment refcounts */ + while(or && length){ + ogg_reference *temp=_fetch_ref(or->buffer->ptr.owner); + if(head) + head->next=temp; + else + ret=temp; + head=temp; + head->buffer=or->buffer; + head->begin=or->begin; + head->length=length; + if(head->length>or->length) + head->length=or->length; + + length-=head->length; + or=or->next; + } + + ogg_buffer_mark(ret); + return ret; +} + +ogg_reference *ogg_buffer_dup(ogg_reference *or){ + ogg_reference *ret=0,*head=0; + /* duplicate the reference chain; increment refcounts */ + while(or){ + ogg_reference *temp=_fetch_ref(or->buffer->ptr.owner); + if(head) + head->next=temp; + else + ret=temp; + head=temp; + head->buffer=or->buffer; + head->begin=or->begin; + head->length=or->length; + or=or->next; + } + + ogg_buffer_mark(ret); + return ret; +} + +/* split a reference into two references; 'return' is a reference to + the buffer preceeding pos and 'head'/'tail' are the buffer past the + split. If pos is at or past the end of the passed in segment, + 'head/tail' are NULL */ +static ogg_reference *ogg_buffer_split(ogg_reference **tail, + ogg_reference **head,long pos){ + + /* walk past any preceeding fragments to one of: + a) the exact boundary that seps two fragments + b) the fragment that needs split somewhere in the middle */ + ogg_reference *ret=*tail; + ogg_reference *or=*tail; + + while(or && pos>or->length){ + pos-=or->length; + or=or->next; + } + + if(!or || pos==0){ + + return 0; + + }else{ + + if(pos>=or->length){ + /* exact split, or off the end? */ + if(or->next){ + + /* a split */ + *tail=or->next; + or->next=0; + + }else{ + + /* off or at the end */ + *tail=*head=0; + + } + }else{ + + /* split within a fragment */ + long lengthA=pos; + long beginB=or->begin+pos; + long lengthB=or->length-pos; + + /* make a new reference to tail the second piece */ + *tail=_fetch_ref(or->buffer->ptr.owner); + + (*tail)->buffer=or->buffer; + (*tail)->begin=beginB; + (*tail)->length=lengthB; + (*tail)->next=or->next; + _ogg_buffer_mark_one(*tail); + if(head && or==*head)*head=*tail; + + /* update the first piece */ + or->next=0; + or->length=lengthA; + + } + } + return ret; +} + +static void ogg_buffer_release_one(ogg_reference *or){ + ogg_buffer *ob=or->buffer; + ogg_buffer_state *bs=ob->ptr.owner; + + ob->refcount--; + if(ob->refcount==0){ + bs->outstanding--; /* for the returned buffer */ + ob->ptr.next=bs->unused_buffers; + bs->unused_buffers=ob; + } + + bs->outstanding--; /* for the returned reference */ + or->next=bs->unused_references; + bs->unused_references=or; + + _ogg_buffer_destroy(bs); /* lazy cleanup (if needed) */ + +} + +/* release the references, decrease the refcounts of buffers to which + they point, release any buffers with a refcount that drops to zero */ +static void ogg_buffer_release(ogg_reference *or){ + while(or){ + ogg_reference *next=or->next; + ogg_buffer_release_one(or); + or=next; + } +} + +static ogg_reference *ogg_buffer_pretruncate(ogg_reference *or,long pos){ + /* release preceeding fragments we don't want */ + while(or && pos>=or->length){ + ogg_reference *next=or->next; + pos-=or->length; + ogg_buffer_release_one(or); + or=next; + } + if (or) { + or->begin+=pos; + or->length-=pos; + } + return or; +} + +static ogg_reference *ogg_buffer_walk(ogg_reference *or){ + if(!or)return NULL; + while(or->next){ + or=or->next; + } + return(or); +} + +/* *head is appended to the front end (head) of *tail; both continue to + be valid pointers, with *tail at the tail and *head at the head */ +static ogg_reference *ogg_buffer_cat(ogg_reference *tail, ogg_reference *head){ + if(!tail)return head; + + while(tail->next){ + tail=tail->next; + } + tail->next=head; + return ogg_buffer_walk(head); +} + +static void _positionB(oggbyte_buffer *b,int pos){ + if(pospos){ + /* start at beginning, scan forward */ + b->ref=b->baseref; + b->pos=0; + b->end=b->pos+b->ref->length; + b->ptr=b->ref->buffer->data+b->ref->begin; + } +} + +static void _positionF(oggbyte_buffer *b,int pos){ + /* scan forward for position */ + while(pos>=b->end){ + /* just seek forward */ + b->pos+=b->ref->length; + b->ref=b->ref->next; + b->end=b->ref->length+b->pos; + b->ptr=b->ref->buffer->data+b->ref->begin; + } +} + +static int oggbyte_init(oggbyte_buffer *b,ogg_reference *or){ + memset(b,0,sizeof(*b)); + if(or){ + b->ref=b->baseref=or; + b->pos=0; + b->end=b->ref->length; + b->ptr=b->ref->buffer->data+b->ref->begin; + return 0; + }else + return -1; +} + +static void oggbyte_set4(oggbyte_buffer *b,ogg_uint32_t val,int pos){ + int i; + _positionB(b,pos); + for(i=0;i<4;i++){ + _positionF(b,pos); + b->ptr[pos-b->pos]=val; + val>>=8; + ++pos; + } +} + +static unsigned char oggbyte_read1(oggbyte_buffer *b,int pos){ + _positionB(b,pos); + _positionF(b,pos); + return b->ptr[pos-b->pos]; +} + +static ogg_uint32_t oggbyte_read4(oggbyte_buffer *b,int pos){ + ogg_uint32_t ret; + _positionB(b,pos); + _positionF(b,pos); + ret=b->ptr[pos-b->pos]; + _positionF(b,++pos); + ret|=b->ptr[pos-b->pos]<<8; + _positionF(b,++pos); + ret|=b->ptr[pos-b->pos]<<16; + _positionF(b,++pos); + ret|=b->ptr[pos-b->pos]<<24; + return ret; +} + +static ogg_int64_t oggbyte_read8(oggbyte_buffer *b,int pos){ + ogg_int64_t ret; + unsigned char t[7]; + int i; + _positionB(b,pos); + for(i=0;i<7;i++){ + _positionF(b,pos); + t[i]=b->ptr[pos++ -b->pos]; + } + + _positionF(b,pos); + ret=b->ptr[pos-b->pos]; + + for(i=6;i>=0;--i) + ret= ret<<8 | t[i]; + + return ret; +} + +/* Now we get to the actual framing code */ + +int ogg_page_version(ogg_page *og){ + oggbyte_buffer ob; + if(oggbyte_init(&ob,og->header))return -1; + return oggbyte_read1(&ob,4); +} + +int ogg_page_continued(ogg_page *og){ + oggbyte_buffer ob; + if(oggbyte_init(&ob,og->header))return -1; + return oggbyte_read1(&ob,5)&0x01; +} + +int ogg_page_bos(ogg_page *og){ + oggbyte_buffer ob; + if(oggbyte_init(&ob,og->header))return -1; + return oggbyte_read1(&ob,5)&0x02; +} + +int ogg_page_eos(ogg_page *og){ + oggbyte_buffer ob; + if(oggbyte_init(&ob,og->header))return -1; + return oggbyte_read1(&ob,5)&0x04; +} + +ogg_int64_t ogg_page_granulepos(ogg_page *og){ + oggbyte_buffer ob; + if(oggbyte_init(&ob,og->header))return -1; + return oggbyte_read8(&ob,6); +} + +ogg_uint32_t ogg_page_serialno(ogg_page *og){ + oggbyte_buffer ob; + if(oggbyte_init(&ob,og->header)) return 0xffffffffUL; + return oggbyte_read4(&ob,14); +} + +ogg_uint32_t ogg_page_pageno(ogg_page *og){ + oggbyte_buffer ob; + if(oggbyte_init(&ob,og->header))return 0xffffffffUL; + return oggbyte_read4(&ob,18); +} + +/* returns the number of packets that are completed on this page (if + the leading packet is begun on a previous page, but ends on this + page, it's counted */ + +/* NOTE: +If a page consists of a packet begun on a previous page, and a new +packet begun (but not completed) on this page, the return will be: + ogg_page_packets(page) ==1, + ogg_page_continued(page) !=0 + +If a page happens to be a single packet that was begun on a +previous page, and spans to the next page (in the case of a three or +more page packet), the return will be: + ogg_page_packets(page) ==0, + ogg_page_continued(page) !=0 +*/ + +int ogg_page_packets(ogg_page *og){ + int i; + int n; + int count=0; + oggbyte_buffer ob; + oggbyte_init(&ob,og->header); + + n=oggbyte_read1(&ob,26); + for(i=0;ibufferpool=ogg_buffer_create(); +} + +ogg_sync_state *ogg_sync_create(void){ + ogg_sync_state *oy=_ogg_calloc(1,sizeof(*oy)); + memset(oy,0,sizeof(*oy)); + oy->bufferpool=ogg_buffer_create(); + return oy; +} + +int ogg_sync_clear(ogg_sync_state *oy){ + if(oy){ + ogg_sync_reset(oy); + ogg_buffer_destroy(oy->bufferpool); + memset(oy,0,sizeof(*oy)); + } + return OGG_SUCCESS; +} + +int ogg_sync_destroy(ogg_sync_state *oy){ + if(oy){ + ogg_sync_reset(oy); + ogg_buffer_destroy(oy->bufferpool); + memset(oy,0,sizeof(*oy)); + _ogg_free(oy); + } + return OGG_SUCCESS; +} + +unsigned char *ogg_sync_bufferin(ogg_sync_state *oy, long bytes){ + + /* [allocate and] expose a buffer for data submission. + + If there is no head fragment + allocate one and expose it + else + if the current head fragment has sufficient unused space + expose it + else + if the current head fragment is unused + resize and expose it + else + allocate new fragment and expose it + */ + + /* base case; fifo uninitialized */ + if(!oy->fifo_head){ + oy->fifo_head=oy->fifo_tail=ogg_buffer_alloc(oy->bufferpool,bytes); + return oy->fifo_head->buffer->data; + } + + /* space left in current fragment case */ + if(oy->fifo_head->buffer->size- + oy->fifo_head->length- + oy->fifo_head->begin >= bytes) + return oy->fifo_head->buffer->data+ + oy->fifo_head->length+oy->fifo_head->begin; + + /* current fragment is unused, but too small */ + if(!oy->fifo_head->length){ + ogg_buffer_realloc(oy->fifo_head,bytes); + return oy->fifo_head->buffer->data+oy->fifo_head->begin; + } + + /* current fragment used/full; get new fragment */ + { + ogg_reference *new=ogg_buffer_alloc(oy->bufferpool,bytes); + oy->fifo_head->next=new; + oy->fifo_head=new; + } + return oy->fifo_head->buffer->data; +} + +int ogg_sync_wrote(ogg_sync_state *oy, long bytes){ + if(!oy->fifo_head)return OGG_EINVAL; + if(oy->fifo_head->buffer->size-oy->fifo_head->length-oy->fifo_head->begin < + bytes)return OGG_EINVAL; + oy->fifo_head->length+=bytes; + oy->fifo_fill+=bytes; + return OGG_SUCCESS; +} + +#ifndef ONLY_C +ogg_uint32_t _checksum(ogg_reference *or, int bytes); +#else +static ogg_uint32_t _checksum(ogg_reference *or, int bytes){ + ogg_uint32_t crc_reg=0; + int j,post; + + while(or){ + unsigned char *data=or->buffer->data+or->begin; + post=(byteslength?bytes:or->length); + for(j=0;j> 24)&0xff)^data[j]]; + bytes-=j; + or=or->next; + } + + return crc_reg; +} +#endif + +/* sync the stream. This is meant to be useful for finding page + boundaries. + + return values for this: + -n) skipped n bytes + 0) page not ready; more data (no bytes skipped) + n) page synced at current location; page length n bytes + +*/ + +long ogg_sync_pageseek(ogg_sync_state *oy,ogg_page *og){ + oggbyte_buffer page; + long bytes,ret=0; + + ogg_page_release(og); + + bytes=oy->fifo_fill; + oggbyte_init(&page,oy->fifo_tail); + + if(oy->headerbytes==0){ + if(bytes<27)goto sync_out; /* not enough for even a minimal header */ + + /* verify capture pattern */ + if(oggbyte_read1(&page,0)!=(int)'O' || + oggbyte_read1(&page,1)!=(int)'g' || + oggbyte_read1(&page,2)!=(int)'g' || + oggbyte_read1(&page,3)!=(int)'S' ) goto sync_fail; + + oy->headerbytes=oggbyte_read1(&page,26)+27; + } + if(bytesheaderbytes)goto sync_out; /* not enough for header + + seg table */ + if(oy->bodybytes==0){ + int i; + /* count up body length in the segment table */ + for(i=0;iheaderbytes-27;i++) + oy->bodybytes+=oggbyte_read1(&page,27+i); + } + + if(oy->bodybytes+oy->headerbytes>bytes)goto sync_out; + + /* we have what appears to be a complete page; last test: verify + checksum */ + { + ogg_uint32_t chksum=oggbyte_read4(&page,22); + oggbyte_set4(&page,0,22); + + /* Compare checksums; memory continues to be common access */ + if(chksum!=_checksum(oy->fifo_tail,oy->bodybytes+oy->headerbytes)){ + + /* D'oh. Mismatch! Corrupt page (or miscapture and not a page + at all). replace the computed checksum with the one actually + read in; remember all the memory is common access */ + + oggbyte_set4(&page,chksum,22); + goto sync_fail; + } + oggbyte_set4(&page,chksum,22); + } + + /* We have a page. Set up page return. */ + if(og){ + /* set up page output */ + og->header=ogg_buffer_split(&oy->fifo_tail,&oy->fifo_head,oy->headerbytes); + og->header_len=oy->headerbytes; + og->body=ogg_buffer_split(&oy->fifo_tail,&oy->fifo_head,oy->bodybytes); + og->body_len=oy->bodybytes; + }else{ + /* simply advance */ + oy->fifo_tail= + ogg_buffer_pretruncate(oy->fifo_tail,oy->headerbytes+oy->bodybytes); + if(!oy->fifo_tail)oy->fifo_head=0; + } + + ret=oy->headerbytes+oy->bodybytes; + oy->unsynced=0; + oy->headerbytes=0; + oy->bodybytes=0; + oy->fifo_fill-=ret; + + return ret; + + sync_fail: + + oy->headerbytes=0; + oy->bodybytes=0; + oy->fifo_tail=ogg_buffer_pretruncate(oy->fifo_tail,1); + ret--; + + /* search forward through fragments for possible capture */ + while(oy->fifo_tail){ + /* invariant: fifo_cursor points to a position in fifo_tail */ + unsigned char *now=oy->fifo_tail->buffer->data+oy->fifo_tail->begin; + unsigned char *next=memchr(now, 'O', oy->fifo_tail->length); + + if(next){ + /* possible capture in this segment */ + long bytes=next-now; + oy->fifo_tail=ogg_buffer_pretruncate(oy->fifo_tail,bytes); + ret-=bytes; + break; + }else{ + /* no capture. advance to next segment */ + long bytes=oy->fifo_tail->length; + ret-=bytes; + oy->fifo_tail=ogg_buffer_pretruncate(oy->fifo_tail,bytes); + } + } + if(!oy->fifo_tail)oy->fifo_head=0; + oy->fifo_fill+=ret; + + sync_out: + return ret; +} + +/* sync the stream and get a page. Keep trying until we find a page. + Supress 'sync errors' after reporting the first. + + return values: + OGG_HOLE) recapture (hole in data) + 0) need more data + 1) page returned + + Returns pointers into buffered data; invalidated by next call to + _stream, _clear, _init, or _buffer */ + +int ogg_sync_pageout(ogg_sync_state *oy, ogg_page *og){ + + /* all we need to do is verify a page at the head of the stream + buffer. If it doesn't verify, we look for the next potential + frame */ + + while(1){ + long ret=ogg_sync_pageseek(oy,og); + if(ret>0){ + /* have a page */ + return 1; + } + if(ret==0){ + /* need more data */ + return 0; + } + + /* head did not start a synced page... skipped some bytes */ + if(!oy->unsynced){ + oy->unsynced=1; + return OGG_HOLE; + } + + /* loop. keep looking */ + + } +} + +/* clear things to an initial state. Good to call, eg, before seeking */ +int ogg_sync_reset(ogg_sync_state *oy){ + + ogg_buffer_release(oy->fifo_tail); + oy->fifo_tail=0; + oy->fifo_head=0; + oy->fifo_fill=0; + + oy->unsynced=0; + oy->headerbytes=0; + oy->bodybytes=0; + return OGG_SUCCESS; +} + +void ogg_stream_init(ogg_stream_state *os, int serialno){ + memset(os, 0, sizeof(*os)); + os->serialno=serialno; + os->pageno=-1; +} + +ogg_stream_state *ogg_stream_create(int serialno){ + ogg_stream_state *os=_ogg_calloc(1,sizeof(*os)); + os->serialno=serialno; + os->pageno=-1; + return os; +} + +int ogg_stream_clear(ogg_stream_state *os){ + if(os){ + ogg_buffer_release(os->header_tail); + ogg_buffer_release(os->body_tail); + memset(os,0,sizeof(*os)); + } + return OGG_SUCCESS; +} + +int ogg_stream_destroy(ogg_stream_state *os){ + if(os){ + ogg_buffer_release(os->header_tail); + ogg_buffer_release(os->body_tail); + memset(os,0,sizeof(*os)); + _ogg_free(os); + } + return OGG_SUCCESS; +} + + +#define FINFLAG 0x80000000UL +#define FINMASK 0x7fffffffUL + +static void _next_lace(oggbyte_buffer *ob,ogg_stream_state *os){ + /* search ahead one lace */ + os->body_fill_next=0; + while(os->laceptrlacing_fill){ + int val=oggbyte_read1(ob,27+os->laceptr++); + os->body_fill_next+=val; + if(val<255){ + os->body_fill_next|=FINFLAG; + os->clearflag=1; + break; + } + } +} + +static void _span_queued_page(ogg_stream_state *os){ + while( !(os->body_fill&FINFLAG) ){ + + if(!os->header_tail)break; + + /* first flush out preceeding page header (if any). Body is + flushed as it's consumed, so that's not done here. */ + + if(os->lacing_fill>=0) + os->header_tail=ogg_buffer_pretruncate(os->header_tail, + os->lacing_fill+27); + os->lacing_fill=0; + os->laceptr=0; + os->clearflag=0; + + if(!os->header_tail){ + os->header_head=0; + break; + }else{ + + /* process/prepare next page, if any */ + + long pageno; + oggbyte_buffer ob; + ogg_page og; /* only for parsing header values */ + og.header=os->header_tail; /* only for parsing header values */ + pageno=ogg_page_pageno(&og); + + oggbyte_init(&ob,os->header_tail); + os->lacing_fill=oggbyte_read1(&ob,26); + + /* are we in sequence? */ + if(pageno!=os->pageno){ + if(os->pageno==-1) /* indicates seek or reset */ + os->holeflag=1; /* set for internal use */ + else + os->holeflag=2; /* set for external reporting */ + + os->body_tail=ogg_buffer_pretruncate(os->body_tail, + os->body_fill); + if(os->body_tail==0)os->body_head=0; + os->body_fill=0; + + } + + if(ogg_page_continued(&og)){ + if(os->body_fill==0){ + /* continued packet, but no preceeding data to continue */ + /* dump the first partial packet on the page */ + _next_lace(&ob,os); + os->body_tail= + ogg_buffer_pretruncate(os->body_tail,os->body_fill_next&FINMASK); + if(os->body_tail==0)os->body_head=0; + /* set span flag */ + if(!os->spanflag && !os->holeflag)os->spanflag=2; + } + }else{ + if(os->body_fill>0){ + /* preceeding data to continue, but not a continued page */ + /* dump body_fill */ + os->body_tail=ogg_buffer_pretruncate(os->body_tail, + os->body_fill); + if(os->body_tail==0)os->body_head=0; + os->body_fill=0; + + /* set espan flag */ + if(!os->spanflag && !os->holeflag)os->spanflag=2; + } + } + + if(os->laceptrlacing_fill){ + os->granulepos=ogg_page_granulepos(&og); + + /* get current packet size & flag */ + _next_lace(&ob,os); + os->body_fill+=os->body_fill_next; /* addition handles the flag fine; + unsigned on purpose */ + /* ...and next packet size & flag */ + _next_lace(&ob,os); + + } + + os->pageno=pageno+1; + os->e_o_s=ogg_page_eos(&og); + os->b_o_s=ogg_page_bos(&og); + + } + } +} + +/* add the incoming page to the stream state; we decompose the page + into packet segments here as well. */ + +int ogg_stream_pagein(ogg_stream_state *os, ogg_page *og){ + + int serialno=ogg_page_serialno(og); + int version=ogg_page_version(og); + + /* check the serial number */ + if(serialno!=os->serialno){ + //ogg_page_release(og); + return OGG_ESERIAL; + } + if(version>0){ + //ogg_page_release(og); + return OGG_EVERSION; + } + + /* add to fifos */ + if(!os->body_tail){ + os->body_tail=og->body; + os->body_head=ogg_buffer_walk(og->body); + }else{ + os->body_head=ogg_buffer_cat(os->body_head,og->body); + } + if(!os->header_tail){ + os->header_tail=og->header; + os->header_head=ogg_buffer_walk(og->header); + os->lacing_fill=-27; + }else{ + os->header_head=ogg_buffer_cat(os->header_head,og->header); + } + + memset(og,0,sizeof(*og)); + return OGG_SUCCESS; +} + +int ogg_stream_reset(ogg_stream_state *os){ + + ogg_buffer_release(os->header_tail); + ogg_buffer_release(os->body_tail); + os->header_tail=os->header_head=0; + os->body_tail=os->body_head=0; + + os->e_o_s=0; + os->b_o_s=0; + os->pageno=-1; + os->packetno=0; + os->granulepos=0; + + os->body_fill=0; + os->lacing_fill=0; + + os->holeflag=0; + os->spanflag=0; + os->clearflag=0; + os->laceptr=0; + os->body_fill_next=0; + + return OGG_SUCCESS; +} + +int ogg_stream_reset_serialno(ogg_stream_state *os,int serialno){ + ogg_stream_reset(os); + os->serialno=serialno; + return OGG_SUCCESS; +} + +static int _packetout(ogg_stream_state *os,ogg_packet *op,int adv){ + + ogg_packet_release(op); + _span_queued_page(os); + + if(os->holeflag){ + int temp=os->holeflag; + if(os->clearflag) + os->holeflag=0; + else + os->holeflag=1; + if(temp==2){ + os->packetno++; + return OGG_HOLE; + } + } + if(os->spanflag){ + int temp=os->spanflag; + if(os->clearflag) + os->spanflag=0; + else + os->spanflag=1; + if(temp==2){ + os->packetno++; + return OGG_SPAN; + } + } + + if(!(os->body_fill&FINFLAG)) return 0; + if(!op && !adv)return 1; /* just using peek as an inexpensive way + to ask if there's a whole packet + waiting */ + if(op){ + op->b_o_s=os->b_o_s; + if(os->e_o_s && os->body_fill_next==0) + op->e_o_s=os->e_o_s; + else + op->e_o_s=0; + if( (os->body_fill&FINFLAG) && !(os->body_fill_next&FINFLAG) ) + op->granulepos=os->granulepos; + else + op->granulepos=-1; + op->packetno=os->packetno; + } + + if(adv){ + oggbyte_buffer ob; + oggbyte_init(&ob,os->header_tail); + + /* split the body contents off */ + if(op){ + op->packet=ogg_buffer_split(&os->body_tail,&os->body_head, + os->body_fill&FINMASK); + op->bytes=os->body_fill&FINMASK; + }else{ + os->body_tail=ogg_buffer_pretruncate(os->body_tail, + os->body_fill&FINMASK); + if(os->body_tail==0)os->body_head=0; + } + + /* update lacing pointers */ + os->body_fill=os->body_fill_next; + _next_lace(&ob,os); + }else{ + if(op){ + op->packet=ogg_buffer_sub(os->body_tail,os->body_fill&FINMASK); + op->bytes=os->body_fill&FINMASK; + } + } + + if(adv){ + os->packetno++; + os->b_o_s=0; + } + + return 1; +} + +int ogg_stream_packetout(ogg_stream_state *os,ogg_packet *op){ + return _packetout(os,op,1); +} + +int ogg_stream_packetpeek(ogg_stream_state *os,ogg_packet *op){ + return _packetout(os,op,0); +} + +int ogg_packet_release(ogg_packet *op) { + if(op){ + ogg_buffer_release(op->packet); + memset(op, 0, sizeof(*op)); + } + return OGG_SUCCESS; +} + +int ogg_page_release(ogg_page *og) { + if(og){ + ogg_buffer_release(og->header); + ogg_buffer_release(og->body); + memset(og, 0, sizeof(*og)); + } + return OGG_SUCCESS; +} + +void ogg_page_dup(ogg_page *dup,ogg_page *orig){ + dup->header_len=orig->header_len; + dup->body_len=orig->body_len; + dup->header=ogg_buffer_dup(orig->header); + dup->body=ogg_buffer_dup(orig->body); +} + diff --git a/sources/tremolo/Tremolo/ivorbiscodec.h b/sources/tremolo/Tremolo/ivorbiscodec.h new file mode 100644 index 00000000..5d1bf950 --- /dev/null +++ b/sources/tremolo/Tremolo/ivorbiscodec.h @@ -0,0 +1,124 @@ +/************************************************************************ + * Copyright (C) 2002-2009, Xiph.org Foundation + * Copyright (C) 2010, Robin Watts for Pinknoise Productions Ltd + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above + * copyright notice, this list of conditions and the following disclaimer + * in the documentation and/or other materials provided with the + * distribution. + * * Neither the names of the Xiph.org Foundation nor Pinknoise + * Productions Ltd nor the names of its contributors may be used to + * endorse or promote products derived from this software without + * specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + ************************************************************************ + + function: libvorbis codec headers + + ************************************************************************/ + +#ifndef _vorbis_codec_h_ +#define _vorbis_codec_h_ + +#ifdef __cplusplus +extern "C" +{ +#endif /* __cplusplus */ + +#include "ogg.h" + +struct vorbis_dsp_state; +typedef struct vorbis_dsp_state vorbis_dsp_state; + +typedef struct vorbis_info{ + int version; + int channels; + long rate; + + /* The below bitrate declarations are *hints*. + Combinations of the three values carry the following implications: + + all three set to the same value: + implies a fixed rate bitstream + only nominal set: + implies a VBR stream that averages the nominal bitrate. No hard + upper/lower limit + upper and or lower set: + implies a VBR bitstream that obeys the bitrate limits. nominal + may also be set to give a nominal rate. + none set: + the coder does not care to speculate. + */ + + long bitrate_upper; + long bitrate_nominal; + long bitrate_lower; + long bitrate_window; + + void *codec_setup; +} vorbis_info; + +typedef struct vorbis_comment{ + char **user_comments; + int *comment_lengths; + int comments; + char *vendor; + +} vorbis_comment; + + +/* Vorbis PRIMITIVES: general ***************************************/ + +extern void vorbis_info_init(vorbis_info *vi); +extern void vorbis_info_clear(vorbis_info *vi); +extern int vorbis_info_blocksize(vorbis_info *vi,int zo); +extern void vorbis_comment_init(vorbis_comment *vc); +extern void vorbis_comment_add(vorbis_comment *vc, char *comment); +extern void vorbis_comment_add_tag(vorbis_comment *vc, + char *tag, char *contents); +extern char *vorbis_comment_query(vorbis_comment *vc, char *tag, int count); +extern int vorbis_comment_query_count(vorbis_comment *vc, char *tag); +extern void vorbis_comment_clear(vorbis_comment *vc); + +/* Vorbis ERRORS and return codes ***********************************/ + +#define OV_FALSE -1 +#define OV_EOF -2 +#define OV_HOLE -3 + +#define OV_EREAD -128 +#define OV_EFAULT -129 +#define OV_EIMPL -130 +#define OV_EINVAL -131 +#define OV_ENOTVORBIS -132 +#define OV_EBADHEADER -133 +#define OV_EVERSION -134 +#define OV_ENOTAUDIO -135 +#define OV_EBADPACKET -136 +#define OV_EBADLINK -137 +#define OV_ENOSEEK -138 + +#ifdef __cplusplus +} +#endif /* __cplusplus */ + +#endif + diff --git a/sources/tremolo/Tremolo/ivorbisfile.h b/sources/tremolo/Tremolo/ivorbisfile.h new file mode 100644 index 00000000..8c4fe774 --- /dev/null +++ b/sources/tremolo/Tremolo/ivorbisfile.h @@ -0,0 +1,142 @@ +/************************************************************************ + * Copyright (C) 2002-2009, Xiph.org Foundation + * Copyright (C) 2010, Robin Watts for Pinknoise Productions Ltd + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above + * copyright notice, this list of conditions and the following disclaimer + * in the documentation and/or other materials provided with the + * distribution. + * * Neither the names of the Xiph.org Foundation nor Pinknoise + * Productions Ltd nor the names of its contributors may be used to + * endorse or promote products derived from this software without + * specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + ************************************************************************ + + function: stdio-based convenience library for opening/seeking/decoding + + ************************************************************************/ + +#ifndef _OV_FILE_H_ +#define _OV_FILE_H_ + +#ifdef __cplusplus +extern "C" +{ +#endif /* __cplusplus */ + +#include +#include "ivorbiscodec.h" + +/* The function prototypes for the callbacks are basically the same as for + * the stdio functions fread, fseek, fclose, ftell. + * The one difference is that the FILE * arguments have been replaced with + * a void * - this is to be used as a pointer to whatever internal data these + * functions might need. In the stdio case, it's just a FILE * cast to a void * + * + * If you use other functions, check the docs for these functions and return + * the right values. For seek_func(), you *MUST* return -1 if the stream is + * unseekable + */ +typedef struct { + size_t (*read_func) (void *ptr, size_t size, size_t nmemb, void *datasource); + int (*seek_func) (void *datasource, ogg_int64_t offset, int whence); + int (*close_func) (void *datasource); + long (*tell_func) (void *datasource); +} ov_callbacks; + +typedef struct OggVorbis_File { + void *datasource; /* Pointer to a FILE *, etc. */ + int seekable; + ogg_int64_t offset; + ogg_int64_t end; + ogg_sync_state *oy; + + /* If the FILE handle isn't seekable (eg, a pipe), only the current + stream appears */ + int links; + ogg_int64_t *offsets; + ogg_int64_t *dataoffsets; + ogg_uint32_t *serialnos; + ogg_int64_t *pcmlengths; + vorbis_info vi; + vorbis_comment vc; + + /* Decoding working state local storage */ + ogg_int64_t pcm_offset; + int ready_state; + ogg_uint32_t current_serialno; + int current_link; + + ogg_int64_t bittrack; + ogg_int64_t samptrack; + + ogg_stream_state *os; /* take physical pages, weld into a logical + stream of packets */ + vorbis_dsp_state *vd; /* central working state for the packet->PCM decoder */ + + ov_callbacks callbacks; + +} OggVorbis_File; + +extern int ov_clear(OggVorbis_File *vf); +extern int ov_open(FILE *f,OggVorbis_File *vf,char *initial,long ibytes); +extern int ov_open_callbacks(void *datasource, OggVorbis_File *vf, + char *initial, long ibytes, ov_callbacks callbacks); + +extern int ov_test(FILE *f,OggVorbis_File *vf,char *initial,long ibytes); +extern int ov_test_callbacks(void *datasource, OggVorbis_File *vf, + char *initial, long ibytes, ov_callbacks callbacks); +extern int ov_test_open(OggVorbis_File *vf); + +extern long ov_bitrate(OggVorbis_File *vf,int i); +extern long ov_bitrate_instant(OggVorbis_File *vf); +extern long ov_streams(OggVorbis_File *vf); +extern long ov_seekable(OggVorbis_File *vf); +extern long ov_serialnumber(OggVorbis_File *vf,int i); + +extern ogg_int64_t ov_raw_total(OggVorbis_File *vf,int i); +extern ogg_int64_t ov_pcm_total(OggVorbis_File *vf,int i); +extern ogg_int64_t ov_time_total(OggVorbis_File *vf,int i); + +extern int ov_raw_seek(OggVorbis_File *vf,ogg_int64_t pos); +extern int ov_pcm_seek(OggVorbis_File *vf,ogg_int64_t pos); +extern int ov_pcm_seek_page(OggVorbis_File *vf,ogg_int64_t pos); +extern int ov_time_seek(OggVorbis_File *vf,ogg_int64_t pos); +extern int ov_time_seek_page(OggVorbis_File *vf,ogg_int64_t pos); + +extern ogg_int64_t ov_raw_tell(OggVorbis_File *vf); +extern ogg_int64_t ov_pcm_tell(OggVorbis_File *vf); +extern ogg_int64_t ov_time_tell(OggVorbis_File *vf); + +extern vorbis_info *ov_info(OggVorbis_File *vf,int link); +extern vorbis_comment *ov_comment(OggVorbis_File *vf,int link); + +extern long ov_read(OggVorbis_File *vf,void *buffer,int length, + int *bitstream); + +#ifdef __cplusplus +} +#endif /* __cplusplus */ + +#endif + + diff --git a/sources/tremolo/Tremolo/lsp_lookup.h b/sources/tremolo/Tremolo/lsp_lookup.h new file mode 100644 index 00000000..8338251a --- /dev/null +++ b/sources/tremolo/Tremolo/lsp_lookup.h @@ -0,0 +1,128 @@ +/************************************************************************ + * Copyright (C) 2002-2009, Xiph.org Foundation + * Copyright (C) 2010, Robin Watts for Pinknoise Productions Ltd + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above + * copyright notice, this list of conditions and the following disclaimer + * in the documentation and/or other materials provided with the + * distribution. + * * Neither the names of the Xiph.org Foundation nor Pinknoise + * Productions Ltd nor the names of its contributors may be used to + * endorse or promote products derived from this software without + * specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + ************************************************************************ + + function: lookup data + + ************************************************************************/ + +#ifndef _V_LOOKUP_DATA_H_ +#define _V_LOOKUP_DATA_H_ + +#include "os_types.h" + +#define INVSQ_LOOKUP_I_SHIFT 10 +#define INVSQ_LOOKUP_I_MASK 1023 +static const long INVSQ_LOOKUP_I[64+1]={ + 92682, 91966, 91267, 90583, + 89915, 89261, 88621, 87995, + 87381, 86781, 86192, 85616, + 85051, 84497, 83953, 83420, + 82897, 82384, 81880, 81385, + 80899, 80422, 79953, 79492, + 79039, 78594, 78156, 77726, + 77302, 76885, 76475, 76072, + 75674, 75283, 74898, 74519, + 74146, 73778, 73415, 73058, + 72706, 72359, 72016, 71679, + 71347, 71019, 70695, 70376, + 70061, 69750, 69444, 69141, + 68842, 68548, 68256, 67969, + 67685, 67405, 67128, 66855, + 66585, 66318, 66054, 65794, + 65536, +}; + +static const long INVSQ_LOOKUP_IDel[64]={ + 716, 699, 684, 668, + 654, 640, 626, 614, + 600, 589, 576, 565, + 554, 544, 533, 523, + 513, 504, 495, 486, + 477, 469, 461, 453, + 445, 438, 430, 424, + 417, 410, 403, 398, + 391, 385, 379, 373, + 368, 363, 357, 352, + 347, 343, 337, 332, + 328, 324, 319, 315, + 311, 306, 303, 299, + 294, 292, 287, 284, + 280, 277, 273, 270, + 267, 264, 260, 258, +}; + +#define COS_LOOKUP_I_SHIFT 9 +#define COS_LOOKUP_I_MASK 511 +#define COS_LOOKUP_I_SZ 128 +static const ogg_int32_t COS_LOOKUP_I[COS_LOOKUP_I_SZ+1]={ + 16384, 16379, 16364, 16340, + 16305, 16261, 16207, 16143, + 16069, 15986, 15893, 15791, + 15679, 15557, 15426, 15286, + 15137, 14978, 14811, 14635, + 14449, 14256, 14053, 13842, + 13623, 13395, 13160, 12916, + 12665, 12406, 12140, 11866, + 11585, 11297, 11003, 10702, + 10394, 10080, 9760, 9434, + 9102, 8765, 8423, 8076, + 7723, 7366, 7005, 6639, + 6270, 5897, 5520, 5139, + 4756, 4370, 3981, 3590, + 3196, 2801, 2404, 2006, + 1606, 1205, 804, 402, + 0, -401, -803, -1204, + -1605, -2005, -2403, -2800, + -3195, -3589, -3980, -4369, + -4755, -5138, -5519, -5896, + -6269, -6638, -7004, -7365, + -7722, -8075, -8422, -8764, + -9101, -9433, -9759, -10079, + -10393, -10701, -11002, -11296, + -11584, -11865, -12139, -12405, + -12664, -12915, -13159, -13394, + -13622, -13841, -14052, -14255, + -14448, -14634, -14810, -14977, + -15136, -15285, -15425, -15556, + -15678, -15790, -15892, -15985, + -16068, -16142, -16206, -16260, + -16304, -16339, -16363, -16378, + -16383, +}; + +#endif + + + + + diff --git a/sources/tremolo/Tremolo/mapping0.c b/sources/tremolo/Tremolo/mapping0.c new file mode 100644 index 00000000..ccc84dae --- /dev/null +++ b/sources/tremolo/Tremolo/mapping0.c @@ -0,0 +1,261 @@ +/************************************************************************ + * Copyright (C) 2002-2009, Xiph.org Foundation + * Copyright (C) 2010, Robin Watts for Pinknoise Productions Ltd + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above + * copyright notice, this list of conditions and the following disclaimer + * in the documentation and/or other materials provided with the + * distribution. + * * Neither the names of the Xiph.org Foundation nor Pinknoise + * Productions Ltd nor the names of its contributors may be used to + * endorse or promote products derived from this software without + * specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + ************************************************************************ + + function: channel mapping 0 implementation + + ************************************************************************/ + +#include +#include +#include +#include +#include "ogg.h" +#include "os.h" +#include "ivorbiscodec.h" +#include "mdct.h" +#include "codec_internal.h" +#include "codebook.h" +#include "misc.h" + +void mapping_clear_info(vorbis_info_mapping *info){ + if(info){ + if(info->chmuxlist)_ogg_free(info->chmuxlist); + if(info->submaplist)_ogg_free(info->submaplist); + if(info->coupling)_ogg_free(info->coupling); + memset(info,0,sizeof(*info)); + } +} + +static int ilog(unsigned int v){ + int ret=0; + if(v)--v; + while(v){ + ret++; + v>>=1; + } + return(ret); +} + +/* also responsible for range checking */ +int mapping_info_unpack(vorbis_info_mapping *info,vorbis_info *vi, + oggpack_buffer *opb){ + int i; + codec_setup_info *ci=(codec_setup_info *)vi->codec_setup; + memset(info,0,sizeof(*info)); + + if(oggpack_read(opb,1)) + info->submaps=oggpack_read(opb,4)+1; + else + info->submaps=1; + + if(oggpack_read(opb,1)){ + info->coupling_steps=oggpack_read(opb,8)+1; + info->coupling= + _ogg_malloc(info->coupling_steps*sizeof(*info->coupling)); + + for(i=0;icoupling_steps;i++){ + int testM=info->coupling[i].mag=(unsigned char)(oggpack_read(opb,ilog(vi->channels))); + int testA=info->coupling[i].ang=(unsigned char)(oggpack_read(opb,ilog(vi->channels))); + + if(testM<0 || + testA<0 || + testM==testA || + testM>=vi->channels || + testA>=vi->channels) goto err_out; + } + + } + + if(oggpack_read(opb,2)>0)goto err_out; /* 2,3:reserved */ + + if(info->submaps>1){ + info->chmuxlist=_ogg_malloc(sizeof(*info->chmuxlist)*vi->channels); + for(i=0;ichannels;i++){ + info->chmuxlist[i]=(unsigned char)(oggpack_read(opb,4)); + if(info->chmuxlist[i]>=info->submaps)goto err_out; + } + } + + info->submaplist=_ogg_malloc(sizeof(*info->submaplist)*info->submaps); + for(i=0;isubmaps;i++){ + int temp=oggpack_read(opb,8); + info->submaplist[i].floor=(char)oggpack_read(opb,8); + if(info->submaplist[i].floor>=ci->floors)goto err_out; + info->submaplist[i].residue=(char)oggpack_read(opb,8); + if(info->submaplist[i].residue>=ci->residues)goto err_out; + } + + return 0; + + err_out: + mapping_clear_info(info); + return -1; +} + +int mapping_inverse(vorbis_dsp_state *vd,vorbis_info_mapping *info){ + vorbis_info *vi=vd->vi; + codec_setup_info *ci=(codec_setup_info *)vi->codec_setup; + + int i,j; + long n=ci->blocksizes[vd->W]; + + ogg_int32_t **pcmbundle= + alloca(sizeof(*pcmbundle)*vi->channels); + int *zerobundle= + alloca(sizeof(*zerobundle)*vi->channels); + int *nonzero= + alloca(sizeof(*nonzero)*vi->channels); + ogg_int32_t **floormemo= + alloca(sizeof(*floormemo)*vi->channels); + + /* recover the spectral envelope; store it in the PCM vector for now */ + for(i=0;ichannels;i++){ + int submap=0; + int floorno; + + if(info->submaps>1) + submap=info->chmuxlist[i]; + floorno=info->submaplist[submap].floor; + + if(ci->floor_type[floorno]){ + /* floor 1 */ + floormemo[i]=alloca(sizeof(*floormemo[i])* + floor1_memosize(ci->floor_param[floorno])); + floormemo[i]=floor1_inverse1(vd,ci->floor_param[floorno],floormemo[i]); + }else{ + /* floor 0 */ + floormemo[i]=alloca(sizeof(*floormemo[i])* + floor0_memosize(ci->floor_param[floorno])); + floormemo[i]=floor0_inverse1(vd,ci->floor_param[floorno],floormemo[i]); + } + + if(floormemo[i]) + nonzero[i]=1; + else + nonzero[i]=0; + memset(vd->work[i],0,sizeof(*vd->work[i])*n/2); + } + + /* channel coupling can 'dirty' the nonzero listing */ + for(i=0;icoupling_steps;i++){ + if(nonzero[info->coupling[i].mag] || + nonzero[info->coupling[i].ang]){ + nonzero[info->coupling[i].mag]=1; + nonzero[info->coupling[i].ang]=1; + } + } + + /* recover the residue into our working vectors */ + for(i=0;isubmaps;i++){ + int ch_in_bundle=0; + for(j=0;jchannels;j++){ + if(!info->chmuxlist || info->chmuxlist[j]==i){ + if(nonzero[j]) + zerobundle[ch_in_bundle]=1; + else + zerobundle[ch_in_bundle]=0; + pcmbundle[ch_in_bundle++]=vd->work[j]; + } + } + + res_inverse(vd,ci->residue_param+info->submaplist[i].residue, + pcmbundle,zerobundle,ch_in_bundle); + } + + //for(j=0;jchannels;j++) + //_analysis_output("coupled",seq+j,vb->pcm[j],-8,n/2,0,0); + + /* channel coupling */ + for(i=info->coupling_steps-1;i>=0;i--){ + ogg_int32_t *pcmM=vd->work[info->coupling[i].mag]; + ogg_int32_t *pcmA=vd->work[info->coupling[i].ang]; + + for(j=0;j0) + if(ang>0){ + pcmM[j]=mag; + pcmA[j]=mag-ang; + }else{ + pcmA[j]=mag; + pcmM[j]=mag+ang; + } + else + if(ang>0){ + pcmM[j]=mag; + pcmA[j]=mag+ang; + }else{ + pcmA[j]=mag; + pcmM[j]=mag-ang; + } + } + } + + //for(j=0;jchannels;j++) + //_analysis_output("residue",seq+j,vb->pcm[j],-8,n/2,0,0); + + /* compute and apply spectral envelope */ + for(i=0;ichannels;i++){ + ogg_int32_t *pcm=vd->work[i]; + int submap=0; + int floorno; + + if(info->submaps>1) + submap=info->chmuxlist[i]; + floorno=info->submaplist[submap].floor; + + if(ci->floor_type[floorno]){ + /* floor 1 */ + floor1_inverse2(vd,ci->floor_param[floorno],floormemo[i],pcm); + }else{ + /* floor 0 */ + floor0_inverse2(vd,ci->floor_param[floorno],floormemo[i],pcm); + } + } + + //for(j=0;jchannels;j++) + //_analysis_output("mdct",seq+j,vb->pcm[j],-24,n/2,0,1); + + /* transform the PCM data; takes PCM vector, vb; modifies PCM vector */ + /* only MDCT right now.... */ + for(i=0;ichannels;i++) + mdct_backward(n,vd->work[i]); + + //for(j=0;jchannels;j++) + //_analysis_output("imdct",seq+j,vb->pcm[j],-24,n,0,0); + + /* all done! */ + return(0); +} diff --git a/sources/tremolo/Tremolo/mdct.c b/sources/tremolo/Tremolo/mdct.c new file mode 100644 index 00000000..32b3525c --- /dev/null +++ b/sources/tremolo/Tremolo/mdct.c @@ -0,0 +1,582 @@ +/************************************************************************ + * Copyright (C) 2002-2009, Xiph.org Foundation + * Copyright (C) 2010, Robin Watts for Pinknoise Productions Ltd + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above + * copyright notice, this list of conditions and the following disclaimer + * in the documentation and/or other materials provided with the + * distribution. + * * Neither the names of the Xiph.org Foundation nor Pinknoise + * Productions Ltd nor the names of its contributors may be used to + * endorse or promote products derived from this software without + * specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + ************************************************************************ + + function: normalized modified discrete cosine transform + power of two length transform only [64 <= n ] + last mod: $Id: mdct.c,v 1.9.6.5 2003/04/29 04:03:27 xiphmont Exp $ + + Original algorithm adapted long ago from _The use of multirate filter + banks for coding of high quality digital audio_, by T. Sporer, + K. Brandenburg and B. Edler, collection of the European Signal + Processing Conference (EUSIPCO), Amsterdam, June 1992, Vol.1, pp + 211-214 + + The below code implements an algorithm that no longer looks much like + that presented in the paper, but the basic structure remains if you + dig deep enough to see it. + + This module DOES NOT INCLUDE code to generate/apply the window + function. Everybody has their own weird favorite including me... I + happen to like the properties of y=sin(.5PI*sin^2(x)), but others may + vehemently disagree. + + ************************************************************************/ + +#include "ivorbiscodec.h" +#include "os.h" +#include "misc.h" +#include "mdct.h" +#include "mdct_lookup.h" + +#include + +#if defined(ONLY_C) +STIN void presymmetry(DATA_TYPE *in,int n2,int step){ + DATA_TYPE *aX; + DATA_TYPE *bX; + LOOKUP_T *T; + int n4=n2>>1; + + aX = in+n2-3; + T = sincos_lookup0; + + do{ + REG_TYPE s0= aX[0]; + REG_TYPE s2= aX[2]; + XPROD31( s0, s2, T[0], T[1], &aX[0], &aX[2] ); T+=step; + aX-=4; + }while(aX>=in+n4); + do{ + REG_TYPE s0= aX[0]; + REG_TYPE s2= aX[2]; + XPROD31( s0, s2, T[1], T[0], &aX[0], &aX[2] ); T-=step; + aX-=4; + }while(aX>=in); + + aX = in+n2-4; + bX = in; + T = sincos_lookup0; + do{ + REG_TYPE ri0= aX[0]; + REG_TYPE ri2= aX[2]; + REG_TYPE ro0= bX[0]; + REG_TYPE ro2= bX[2]; + + XNPROD31( ro2, ro0, T[1], T[0], &aX[0], &aX[2] ); T+=step; + XNPROD31( ri2, ri0, T[0], T[1], &bX[0], &bX[2] ); + + aX-=4; + bX+=4; + }while(aX>=bX); +} + +/* 8 point butterfly (in place) */ +STIN void mdct_butterfly_8(DATA_TYPE *x){ + + REG_TYPE s0 = x[0] + x[1]; + REG_TYPE s1 = x[0] - x[1]; + REG_TYPE s2 = x[2] + x[3]; + REG_TYPE s3 = x[2] - x[3]; + REG_TYPE s4 = x[4] + x[5]; + REG_TYPE s5 = x[4] - x[5]; + REG_TYPE s6 = x[6] + x[7]; + REG_TYPE s7 = x[6] - x[7]; + + x[0] = s5 + s3; + x[1] = s7 - s1; + x[2] = s5 - s3; + x[3] = s7 + s1; + x[4] = s4 - s0; + x[5] = s6 - s2; + x[6] = s4 + s0; + x[7] = s6 + s2; + MB(); +} + +/* 16 point butterfly (in place, 4 register) */ +STIN void mdct_butterfly_16(DATA_TYPE *x){ + + REG_TYPE s0, s1, s2, s3; + + s0 = x[ 8] - x[ 9]; x[ 8] += x[ 9]; + s1 = x[10] - x[11]; x[10] += x[11]; + s2 = x[ 1] - x[ 0]; x[ 9] = x[ 1] + x[0]; + s3 = x[ 3] - x[ 2]; x[11] = x[ 3] + x[2]; + x[ 0] = MULT31((s0 - s1) , cPI2_8); + x[ 1] = MULT31((s2 + s3) , cPI2_8); + x[ 2] = MULT31((s0 + s1) , cPI2_8); + x[ 3] = MULT31((s3 - s2) , cPI2_8); + MB(); + + s2 = x[12] - x[13]; x[12] += x[13]; + s3 = x[14] - x[15]; x[14] += x[15]; + s0 = x[ 4] - x[ 5]; x[13] = x[ 5] + x[ 4]; + s1 = x[ 7] - x[ 6]; x[15] = x[ 7] + x[ 6]; + x[ 4] = s2; x[ 5] = s1; + x[ 6] = s3; x[ 7] = s0; + MB(); + + mdct_butterfly_8(x); + mdct_butterfly_8(x+8); +} + +/* 32 point butterfly (in place, 4 register) */ +STIN void mdct_butterfly_32(DATA_TYPE *x){ + + REG_TYPE s0, s1, s2, s3; + + s0 = x[16] - x[17]; x[16] += x[17]; + s1 = x[18] - x[19]; x[18] += x[19]; + s2 = x[ 1] - x[ 0]; x[17] = x[ 1] + x[ 0]; + s3 = x[ 3] - x[ 2]; x[19] = x[ 3] + x[ 2]; + XNPROD31( s0, s1, cPI3_8, cPI1_8, &x[ 0], &x[ 2] ); + XPROD31 ( s2, s3, cPI1_8, cPI3_8, &x[ 1], &x[ 3] ); + MB(); + + s0 = x[20] - x[21]; x[20] += x[21]; + s1 = x[22] - x[23]; x[22] += x[23]; + s2 = x[ 5] - x[ 4]; x[21] = x[ 5] + x[ 4]; + s3 = x[ 7] - x[ 6]; x[23] = x[ 7] + x[ 6]; + x[ 4] = MULT31((s0 - s1) , cPI2_8); + x[ 5] = MULT31((s3 + s2) , cPI2_8); + x[ 6] = MULT31((s0 + s1) , cPI2_8); + x[ 7] = MULT31((s3 - s2) , cPI2_8); + MB(); + + s0 = x[24] - x[25]; x[24] += x[25]; + s1 = x[26] - x[27]; x[26] += x[27]; + s2 = x[ 9] - x[ 8]; x[25] = x[ 9] + x[ 8]; + s3 = x[11] - x[10]; x[27] = x[11] + x[10]; + XNPROD31( s0, s1, cPI1_8, cPI3_8, &x[ 8], &x[10] ); + XPROD31 ( s2, s3, cPI3_8, cPI1_8, &x[ 9], &x[11] ); + MB(); + + s0 = x[28] - x[29]; x[28] += x[29]; + s1 = x[30] - x[31]; x[30] += x[31]; + s2 = x[12] - x[13]; x[29] = x[13] + x[12]; + s3 = x[15] - x[14]; x[31] = x[15] + x[14]; + x[12] = s0; x[13] = s3; + x[14] = s1; x[15] = s2; + MB(); + + mdct_butterfly_16(x); + mdct_butterfly_16(x+16); +} + +/* N/stage point generic N stage butterfly (in place, 2 register) */ +STIN void mdct_butterfly_generic(DATA_TYPE *x,int points,int step){ + LOOKUP_T *T = sincos_lookup0; + DATA_TYPE *x1 = x + points - 4; + DATA_TYPE *x2 = x + (points>>1) - 4; + REG_TYPE s0, s1, s2, s3; + + do{ + s0 = x1[0] - x1[1]; x1[0] += x1[1]; + s1 = x1[3] - x1[2]; x1[2] += x1[3]; + s2 = x2[1] - x2[0]; x1[1] = x2[1] + x2[0]; + s3 = x2[3] - x2[2]; x1[3] = x2[3] + x2[2]; + XPROD31( s1, s0, T[0], T[1], &x2[0], &x2[2] ); + XPROD31( s2, s3, T[0], T[1], &x2[1], &x2[3] ); T+=step; + x1-=4; + x2-=4; + }while(T>1) + (points>>2) - 4; + x2 = x + (points>>2) - 4; + T = sincos_lookup0+1024; + do{ + s0 = x1[0] - x1[1]; x1[0] += x1[1]; + s1 = x1[2] - x1[3]; x1[2] += x1[3]; + s2 = x2[0] - x2[1]; x1[1] = x2[1] + x2[0]; + s3 = x2[3] - x2[2]; x1[3] = x2[3] + x2[2]; + XNPROD31( s0, s1, T[0], T[1], &x2[0], &x2[2] ); + XNPROD31( s3, s2, T[0], T[1], &x2[1], &x2[3] ); T-=step; + x1-=4; + x2-=4; + }while(T>sincos_lookup0); +} + +STIN void mdct_butterflies(DATA_TYPE *x,int points,int shift){ + + int stages=7-shift; + int i,j; + + for(i=0;--stages>=0;i++){ + for(j=0;j<(1<>i)*j,points>>i,4<<(i+shift)); + } + } + + for(j=0;j>8]|(bitrev[(x&0x0f0)>>4]<<4)|(((int)bitrev[x&0x00f])<<8); +} + +STIN void mdct_bitreverse(DATA_TYPE *x,int n,int shift){ + int bit = 0; + DATA_TYPE *w = x+(n>>1); + + do{ + DATA_TYPE b = bitrev12(bit++); + DATA_TYPE *xx = x + (b>>shift); + REG_TYPE r; + + w -= 2; + + if(w>xx){ + + r = xx[0]; + xx[0] = w[0]; + w[0] = r; + + r = xx[1]; + xx[1] = w[1]; + w[1] = r; + } + }while(w>x); +} + +STIN void mdct_step7(DATA_TYPE *x,int n,int step){ + DATA_TYPE *w0 = x; + DATA_TYPE *w1 = x+(n>>1); + LOOKUP_T *T = (step>=4)?(sincos_lookup0+(step>>1)):sincos_lookup1; + LOOKUP_T *Ttop = T+1024; + REG_TYPE s0, s1, s2, s3; + + do{ + w1 -= 2; + + s0 = w0[0] + w1[0]; + s1 = w1[1] - w0[1]; + s2 = MULT32(s0, T[1]) + MULT32(s1, T[0]); + s3 = MULT32(s1, T[1]) - MULT32(s0, T[0]); + T+=step; + + s0 = (w0[1] + w1[1])>>1; + s1 = (w0[0] - w1[0])>>1; + w0[0] = s0 + s2; + w0[1] = s1 + s3; + w1[0] = s0 - s2; + w1[1] = s3 - s1; + + w0 += 2; + }while(T>1; + s1 = (w0[0] - w1[0])>>1; + w0[0] = s0 + s2; + w0[1] = s1 + s3; + w1[0] = s0 - s2; + w1[1] = s3 - s1; + + w0 += 2; + }while(w0>1); + + switch(step) { +#if defined(ONLY_C) + default: + T=(step>=4)?(sincos_lookup0+(step>>1)):sincos_lookup1; + do{ + REG_TYPE s0 = x[0]; + REG_TYPE s1 = -x[1]; + XPROD31( s0, s1, T[0], T[1], x, x+1); T+=step; + x +=2; + }while(x>1; + t1 = (*T++)>>1; + do{ + s0 = x[0]; + s1 = -x[1]; + t0 += (v0 = (*V++)>>1); + t1 += (v1 = (*V++)>>1); + XPROD31( s0, s1, t0, t1, x, x+1 ); + + s0 = x[2]; + s1 = -x[3]; + v0 += (t0 = (*T++)>>1); + v1 += (t1 = (*T++)>>1); + XPROD31( s0, s1, v0, v1, x+2, x+3 ); + + x += 4; + }while(x>2); + t1 += (q1 = (v1-t1)>>2); + s0 = x[0]; + s1 = -x[1]; + XPROD31( s0, s1, t0, t1, x, x+1 ); + t0 = v0-q0; + t1 = v1-q1; + s0 = x[2]; + s1 = -x[3]; + XPROD31( s0, s1, t0, t1, x+2, x+3 ); + + t0 = *T++; + t1 = *T++; + v0 += (q0 = (t0-v0)>>2); + v1 += (q1 = (t1-v1)>>2); + s0 = x[4]; + s1 = -x[5]; + XPROD31( s0, s1, v0, v1, x+4, x+5 ); + v0 = t0-q0; + v1 = t1-q1; + s0 = x[6]; + s1 = -x[7]; + XPROD31( s0, s1, v0, v1, x+5, x+6 ); + + x+=8; + }while(x>1,step); + mdct_butterflies(in,n>>1,shift); + mdct_bitreverse(in,n,shift); + mdct_step7(in,n,step); + mdct_step8(in,n,step>>2); +#else + step = mdct_backwardARM(n, in); + if (step <= 1) + mdct_step8(in,n,step); +#endif +} + +#if defined(ONLY_C) +void mdct_shift_right(int n, DATA_TYPE *in, DATA_TYPE *right){ + int i; + n>>=2; + in+=1; + + for(i=0;i>1 : n0>>1); + DATA_TYPE *r=right+(lW ? n1>>2 : n0>>2); + DATA_TYPE *post; + LOOKUP_T *wR=(W && lW ? w1+(n1>>1) : w0+(n0>>1)); + LOOKUP_T *wL=(W && lW ? w1 : w0 ); + + int preLap=(lW && !W ? (n1>>2)-(n0>>2) : 0 ); + int halfLap=(lW && W ? (n1>>2) : (n0>>2) ); + int postLap=(!lW && W ? (n1>>2)-(n0>>2) : 0 ); + int n,off; + + /* preceeding direct-copy lapping from previous frame, if any */ + if(preLap){ + n = (endpost){ + *out = CLIP_TO_15((*--r)>>9); + out+=step; + } +#else + out = mdct_unroll_prelap(out,post,r,step); + n -= off; + if (n < 0) + n = 0; + r -= n; +#endif + } + + /* cross-lap; two halves due to wrap-around */ + n = (endpost){ + l-=2; + *out = CLIP_TO_15((MULT31(*--r,*--wR) + MULT31(*l,*wL++))>>9); + out+=step; + } +#else + out = mdct_unroll_part2(out, post, l, r, step, wL, wR); + n -= off; + if (n < 0) + n = 0; + l -= 2*n; + r -= n; + wR -= n; + wL += n; +#endif + + n = (end>9); + out+=step; + l+=2; + } +#else + out = mdct_unroll_part3(out, post, l, r, step, wL, wR); + n -= off; + if (n < 0) + n = 0; + l += 2*n; + r += n; + wR -= n; + wL += n; +#endif + + /* preceeding direct-copy lapping from previous frame, if any */ + if(postLap){ + n = (end>9); + out+=step; + l+=2; + } +#else + out = mdct_unroll_postlap(out,post,l,step); +#endif + } +} + diff --git a/sources/tremolo/Tremolo/mdct.h b/sources/tremolo/Tremolo/mdct.h new file mode 100644 index 00000000..08783590 --- /dev/null +++ b/sources/tremolo/Tremolo/mdct.h @@ -0,0 +1,79 @@ +/************************************************************************ + * Copyright (C) 2002-2009, Xiph.org Foundation + * Copyright (C) 2010, Robin Watts for Pinknoise Productions Ltd + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above + * copyright notice, this list of conditions and the following disclaimer + * in the documentation and/or other materials provided with the + * distribution. + * * Neither the names of the Xiph.org Foundation nor Pinknoise + * Productions Ltd nor the names of its contributors may be used to + * endorse or promote products derived from this software without + * specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + ************************************************************************ + + function: modified discrete cosine transform prototypes + + ************************************************************************/ + +#ifndef _OGG_mdct_H_ +#define _OGG_mdct_H_ + +#include "ivorbiscodec.h" +#include "misc.h" + +#define DATA_TYPE ogg_int32_t +#define REG_TYPE register ogg_int32_t + +#ifdef _LOW_ACCURACY_ +#define cPI3_8 (0x0062) +#define cPI2_8 (0x00b5) +#define cPI1_8 (0x00ed) +#else +#define cPI3_8 (0x30fbc54d) +#define cPI2_8 (0x5a82799a) +#define cPI1_8 (0x7641af3d) +#endif + +extern void mdct_backward(int n, DATA_TYPE *in); +extern void mdct_shift_right(int n, DATA_TYPE *in, DATA_TYPE *right); +extern void mdct_unroll_lap(int n0,int n1, + int lW,int W, + DATA_TYPE *in,DATA_TYPE *right, + LOOKUP_T *w0,LOOKUP_T *w1, + ogg_int16_t *out, + int step, + int start,int end /* samples, this frame */); + +#endif + + + + + + + + + + + + diff --git a/sources/tremolo/Tremolo/mdctARM.s b/sources/tremolo/Tremolo/mdctARM.s new file mode 100644 index 00000000..0fcc68e2 --- /dev/null +++ b/sources/tremolo/Tremolo/mdctARM.s @@ -0,0 +1,1234 @@ +@ Tremolo library +@----------------------------------------------------------------------- +@ Copyright (C) 2002-2009, Xiph.org Foundation +@ Copyright (C) 2010, Robin Watts for Pinknoise Productions Ltd +@ All rights reserved. + +@ Redistribution and use in source and binary forms, with or without +@ modification, are permitted provided that the following conditions +@ are met: + +@ * Redistributions of source code must retain the above copyright +@ notice, this list of conditions and the following disclaimer. +@ * Redistributions in binary form must reproduce the above +@ copyright notice, this list of conditions and the following disclaimer +@ in the documentation and/or other materials provided with the +@ distribution. +@ * Neither the names of the Xiph.org Foundation nor Pinknoise +@ Productions Ltd nor the names of its contributors may be used to +@ endorse or promote products derived from this software without +@ specific prior written permission. +@ +@ THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +@ "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +@ LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +@ A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +@ OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +@ SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +@ LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +@ DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +@ THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +@ (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +@ OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +@ ---------------------------------------------------------------------- + + .text + + @ full accuracy version + + .global mdct_backwardARM + .global mdct_shift_right + .global mdct_unroll_prelap + .global mdct_unroll_part2 + .global mdct_unroll_part3 + .global mdct_unroll_postlap + + .extern sincos_lookup0 + .extern sincos_lookup1 + .hidden sincos_lookup0 + .hidden sincos_lookup1 + +mdct_unroll_prelap: + @ r0 = out + @ r1 = post + @ r2 = r + @ r3 = step + STMFD r13!,{r4-r7,r14} + MVN r4, #0x8000 + MOV r3, r3, LSL #1 + SUB r1, r2, r1 @ r1 = r - post + SUBS r1, r1, #16 @ r1 = r - post - 16 + BLT unroll_over +unroll_loop: + LDMDB r2!,{r5,r6,r7,r12} + + MOV r5, r5, ASR #9 @ r5 = (*--r)>>9 + MOV r6, r6, ASR #9 @ r6 = (*--r)>>9 + MOV r7, r7, ASR #9 @ r7 = (*--r)>>9 + MOV r12,r12,ASR #9 @ r12= (*--r)>>9 + + MOV r14,r12,ASR #15 + TEQ r14,r14,ASR #31 @ if r14==0 || r14==-1 then in range + EORNE r12,r4, r14,ASR #31 + STRH r12,[r0], r3 + + MOV r14,r7, ASR #15 + TEQ r14,r14,ASR #31 @ if r14==0 || r14==-1 then in range + EORNE r7, r4, r14,ASR #31 + STRH r7, [r0], r3 + + MOV r14,r6, ASR #15 + TEQ r14,r14,ASR #31 @ if r14==0 || r14==-1 then in range + EORNE r6, r4, r14,ASR #31 + STRH r6, [r0], r3 + + MOV r14,r5, ASR #15 + TEQ r14,r14,ASR #31 @ if r14==0 || r14==-1 then in range + EORNE r5, r4, r14,ASR #31 + STRH r5, [r0], r3 + + SUBS r1, r1, #16 + BGE unroll_loop + +unroll_over: + ADDS r1, r1, #16 + BLE unroll_end +unroll_loop2: + LDR r5,[r2,#-4]! + @ stall + @ stall (Xscale) + MOV r5, r5, ASR #9 @ r5 = (*--r)>>9 + MOV r14,r5, ASR #15 + TEQ r14,r14,ASR #31 @ if r14==0 || r14==-1 then in range + EORNE r5, r4, r14,ASR #31 + STRH r5, [r0], r3 + SUBS r1, r1, #4 + BGT unroll_loop2 +unroll_end: + LDMFD r13!,{r4-r7,PC} + +mdct_unroll_postlap: + @ r0 = out + @ r1 = post + @ r2 = l + @ r3 = step + STMFD r13!,{r4-r7,r14} + MVN r4, #0x8000 + MOV r3, r3, LSL #1 + SUB r1, r1, r2 @ r1 = post - l + MOV r1, r1, ASR #1 @ r1 = (post - l)>>1 + SUBS r1, r1, #16 @ r1 = ((post - l)>>1) - 4 + BLT unroll_over3 +unroll_loop3: + LDR r12,[r2],#8 + LDR r7, [r2],#8 + LDR r6, [r2],#8 + LDR r5, [r2],#8 + + RSB r12,r12,#0 + RSB r5, r5, #0 + RSB r6, r6, #0 + RSB r7, r7, #0 + + MOV r12, r12,ASR #9 @ r12= (-*l)>>9 + MOV r5, r5, ASR #9 @ r5 = (-*l)>>9 + MOV r6, r6, ASR #9 @ r6 = (-*l)>>9 + MOV r7, r7, ASR #9 @ r7 = (-*l)>>9 + + MOV r14,r12,ASR #15 + TEQ r14,r14,ASR #31 @ if r14==0 || r14==-1 then in range + EORNE r12,r4, r14,ASR #31 + STRH r12,[r0], r3 + + MOV r14,r7, ASR #15 + TEQ r14,r14,ASR #31 @ if r14==0 || r14==-1 then in range + EORNE r7, r4, r14,ASR #31 + STRH r7, [r0], r3 + + MOV r14,r6, ASR #15 + TEQ r14,r14,ASR #31 @ if r14==0 || r14==-1 then in range + EORNE r6, r4, r14,ASR #31 + STRH r6, [r0], r3 + + MOV r14,r5, ASR #15 + TEQ r14,r14,ASR #31 @ if r14==0 || r14==-1 then in range + EORNE r5, r4, r14,ASR #31 + STRH r5, [r0], r3 + + SUBS r1, r1, #16 + BGE unroll_loop3 + +unroll_over3: + ADDS r1, r1, #16 + BLE unroll_over4 +unroll_loop4: + LDR r5,[r2], #8 + @ stall + @ stall (Xscale) + RSB r5, r5, #0 + MOV r5, r5, ASR #9 @ r5 = (-*l)>>9 + MOV r14,r5, ASR #15 + TEQ r14,r14,ASR #31 @ if r14==0 || r14==-1 then in range + EORNE r5, r4, r14,ASR #31 + STRH r5, [r0], r3 + SUBS r1, r1, #4 + BGT unroll_loop4 +unroll_over4: + LDMFD r13!,{r4-r7,PC} + +mdct_unroll_part2: + @ r0 = out + @ r1 = post + @ r2 = l + @ r3 = r + @ <> = step + @ <> = wL + @ <> = wR + MOV r12,r13 + STMFD r13!,{r4,r6-r11,r14} + LDMFD r12,{r8,r9,r10} @ r8 = step + @ r9 = wL + @ r10= wR + MVN r4, #0x8000 + MOV r8, r8, LSL #1 + SUBS r1, r3, r1 @ r1 = (r - post) + BLE unroll_over5 +unroll_loop5: + LDR r12,[r2, #-8]! @ r12= *l (but l -= 2 first) + LDR r11,[r9],#4 @ r11= *wL++ + LDR r7, [r3, #-4]! @ r7 = *--r + LDR r6, [r10,#-4]! @ r6 = *--wR + + @ Can save a cycle here, at the cost of 1bit errors in rounding + SMULL r14,r11,r12,r11 @ (r14,r11) = *l * *wL++ + SMULL r14,r6, r7, r6 @ (r14,r6) = *--r * *--wR + ADD r6, r6, r11 + MOV r6, r6, ASR #8 + MOV r14,r6, ASR #15 + TEQ r14,r14,ASR #31 @ if r14==0 || r14==-1 then in range + EORNE r6, r4, r14,ASR #31 + STRH r6, [r0], r8 + + SUBS r1, r1, #4 + BGT unroll_loop5 + +unroll_over5: + LDMFD r13!,{r4,r6-r11,PC} + +mdct_unroll_part3: + @ r0 = out + @ r1 = post + @ r2 = l + @ r3 = r + @ <> = step + @ <> = wL + @ <> = wR + MOV r12,r13 + STMFD r13!,{r4,r6-r11,r14} + LDMFD r12,{r8,r9,r10} @ r8 = step + @ r9 = wL + @ r10= wR + MVN r4, #0x8000 + MOV r8, r8, LSL #1 + SUBS r1, r1, r3 @ r1 = (post - r) + BLE unroll_over6 +unroll_loop6: + LDR r12,[r2],#8 @ r12= *l (but l += 2 first) + LDR r11,[r9],#4 @ r11= *wL++ + LDR r7, [r3],#4 @ r7 = *r++ + LDR r6, [r10,#-4]! @ r6 = *--wR + + @ Can save a cycle here, at the cost of 1bit errors in rounding + SMULL r14,r11,r12,r11 @ (r14,r11) = *l * *wL++ + SMULL r14,r6, r7, r6 @ (r14,r6) = *--r * *--wR + SUB r6, r6, r11 + MOV r6, r6, ASR #8 + MOV r14,r6, ASR #15 + TEQ r14,r14,ASR #31 @ if r14==0 || r14==-1 then in range + EORNE r6, r4, r14,ASR #31 + STRH r6, [r0], r8 + + SUBS r1, r1, #4 + BGT unroll_loop6 + +unroll_over6: + LDMFD r13!,{r4,r6-r11,PC} + +mdct_shift_right: + @ r0 = n + @ r1 = in + @ r2 = right + STMFD r13!,{r4-r11,r14} + + MOV r0, r0, LSR #2 @ n >>= 2 + ADD r1, r1, #4 + + SUBS r0, r0, #8 + BLT sr_less_than_8 +sr_loop: + LDR r3, [r1], #8 + LDR r4, [r1], #8 + LDR r5, [r1], #8 + LDR r6, [r1], #8 + LDR r7, [r1], #8 + LDR r8, [r1], #8 + LDR r12,[r1], #8 + LDR r14,[r1], #8 + SUBS r0, r0, #8 + STMIA r2!,{r3,r4,r5,r6,r7,r8,r12,r14} + BGE sr_loop +sr_less_than_8: + ADDS r0, r0, #8 + BEQ sr_end +sr_loop2: + LDR r3, [r1], #8 + SUBS r0, r0, #1 + STR r3, [r2], #4 + BGT sr_loop2 +sr_end: + LDMFD r13!,{r4-r11,PC} + +mdct_backwardARM: + @ r0 = n + @ r1 = in + STMFD r13!,{r4-r11,r14} + + MOV r2,#1<<4 @ r2 = 1<>1) + ADD r14,r1, r0 @ r14= in+(n>>2) + SUB r4, r4, #3*4 @ r4 = aX = in+n2-3 + ADRL r7, .Lsincos_lookup + LDR r5, [r7] @ r5 = T=sincos_lookup0 + ADD r5, r7 + +presymmetry_loop1: + LDR r7, [r4,#8] @ r6 = s2 = aX[2] + LDR r11,[r5,#4] @ r11= T[1] + LDR r6, [r4] @ r6 = s0 = aX[0] + LDR r10,[r5],r2,LSL #2 @ r10= T[0] T += step + + @ XPROD31(s0, s2, T[0], T[1], 0xaX[0], &ax[2]) + SMULL r8, r9, r7, r11 @ (r8, r9) = s2*T[1] + @ stall + @ stall ? + SMLAL r8, r9, r6, r10 @ (r8, r9) += s0*T[0] + RSB r6, r6, #0 + @ stall ? + SMULL r8, r12,r7, r10 @ (r8, r12) = s2*T[0] + MOV r9, r9, LSL #1 + @ stall ? + SMLAL r8, r12,r6, r11 @ (r8, r12) -= s0*T[1] + STR r9, [r4],#-16 @ aX[0] = r9 + CMP r4,r14 + MOV r12,r12,LSL #1 + STR r12,[r4,#8+16] @ aX[2] = r12 + + BGE presymmetry_loop1 @ while (aX >= in+n4) + +presymmetry_loop2: + LDR r6,[r4] @ r6 = s0 = aX[0] + LDR r10,[r5,#4] @ r10= T[1] + LDR r7,[r4,#8] @ r6 = s2 = aX[2] + LDR r11,[r5],-r2,LSL #2 @ r11= T[0] T -= step + + @ XPROD31(s0, s2, T[1], T[0], 0xaX[0], &ax[2]) + SMULL r8, r9, r6, r10 @ (r8, r9) = s0*T[1] + @ stall + @ stall ? + SMLAL r8, r9, r7, r11 @ (r8, r9) += s2*T[0] + RSB r6, r6, #0 + @ stall ? + SMULL r8, r12,r7, r10 @ (r8, r12) = s2*T[1] + MOV r9, r9, LSL #1 + @ stall ? + SMLAL r8, r12,r6, r11 @ (r8, r12) -= s0*T[0] + STR r9, [r4],#-16 @ aX[0] = r9 + CMP r4,r1 + MOV r12,r12,LSL #1 + STR r12,[r4,#8+16] @ aX[2] = r12 + + BGE presymmetry_loop2 @ while (aX >= in) + + @ r0 = n + @ r1 = in + @ r2 = step + @ r3 = shift + STMFD r13!,{r3} + ADRL r4, .Lsincos_lookup + LDR r5, [r4] @ r5 = T=sincos_lookup0 + ADD r5, r4 + ADD r4, r1, r0, LSL #1 @ r4 = aX = in+(n>>1) + SUB r4, r4, #4*4 @ r4 = aX = in+(n>>1)-4 + LDR r11,[r5,#4] @ r11= T[1] + LDR r10,[r5],r2, LSL #2 @ r10= T[0] T += step +presymmetry_loop3: + LDR r8,[r1],#16 @ r8 = ro0 = bX[0] + LDR r9,[r1,#8-16] @ r9 = ro2 = bX[2] + LDR r6,[r4] @ r6 = ri0 = aX[0] + + @ XNPROD31( ro2, ro0, T[1], T[0], 0xaX[0], &aX[2] ) + @ aX[0] = (ro2*T[1] - ro0*T[0])>>31 aX[2] = (ro0*T[1] + ro2*T[0])>>31 + SMULL r14,r12,r8, r11 @ (r14,r12) = ro0*T[1] + RSB r8,r8,#0 @ r8 = -ro0 + @ Stall ? + SMLAL r14,r12,r9, r10 @ (r14,r12) += ro2*T[0] + LDR r7,[r4,#8] @ r7 = ri2 = aX[2] + @ Stall ? + SMULL r14,r3, r9, r11 @ (r14,r3) = ro2*T[1] + MOV r12,r12,LSL #1 + LDR r11,[r5,#4] @ r11= T[1] + SMLAL r14,r3, r8, r10 @ (r14,r3) -= ro0*T[0] + LDR r10,[r5],r2, LSL #2 @ r10= T[0] T += step + STR r12,[r4,#8] + MOV r3, r3, LSL #1 + STR r3, [r4],#-16 + + @ XNPROD31( ri2, ri0, T[0], T[1], 0xbX[0], &bX[2] ) + @ bX[0] = (ri2*T[0] - ri0*T[1])>>31 bX[2] = (ri0*T[0] + ri2*T[1])>>31 + SMULL r14,r12,r6, r10 @ (r14,r12) = ri0*T[0] + RSB r6,r6,#0 @ r6 = -ri0 + @ stall ? + SMLAL r14,r12,r7, r11 @ (r14,r12) += ri2*T[1] + @ stall ? + @ stall ? + SMULL r14,r3, r7, r10 @ (r14,r3) = ri2*T[0] + MOV r12,r12,LSL #1 + @ stall ? + SMLAL r14,r3, r6, r11 @ (r14,r3) -= ri0*T[1] + CMP r4,r1 + STR r12,[r1,#8-16] + MOV r3, r3, LSL #1 + STR r3, [r1,#-16] + + BGE presymmetry_loop3 + + SUB r1,r1,r0 @ r1 = in -= n>>2 (i.e. restore in) + + LDR r3,[r13] + STR r2,[r13,#-4]! + + @ mdct_butterflies + @ r0 = n = (points * 2) + @ r1 = in = x + @ r2 = i + @ r3 = shift + STMFD r13!,{r0-r1} + ADRL r4, .Lsincos_lookup + LDR r5, [r4] + ADD r5, r4 + RSBS r4,r3,#6 @ r4 = stages = 7-shift then --stages + BLE no_generics + MOV r14,#4 @ r14= 4 (i=0) + MOV r6, r14,LSL r3 @ r6 = (4<>i = POINTS + MOV r2, r14,LSR #2 @ r2 = (1<>1) + ADD r7,r1,r0,LSL #1 @ r7 = x1+4 = x + POINTS + ADD r12,r5,#1024*4 @ r12= sincos_lookup0+1024 + +mdct_bufferfly_generic_loop1: + LDMDB r7!,{r2,r3,r8,r11} @ r2 = x1[0] + @ r3 = x1[1] + @ r8 = x1[2] + @ r11= x1[3] x1 -= 4 + LDMDB r1!,{r4,r9,r10,r14} @ r4 = x2[0] + @ r9 = x2[1] + @ r10= x2[2] + @ r14= x2[3] x2 -= 4 + + SUB r2, r2, r3 @ r2 = s0 = x1[0] - x1[1] + ADD r3, r2, r3, LSL #1 @ r3 = x1[0] + x1[1] (-> x1[0]) + SUB r11,r11,r8 @ r11= s1 = x1[3] - x1[2] + ADD r8, r11,r8, LSL #1 @ r8 = x1[3] + x1[2] (-> x1[2]) + SUB r9, r9, r4 @ r9 = s2 = x2[1] - x2[0] + ADD r4, r9, r4, LSL #1 @ r4 = x2[1] + x2[0] (-> x1[1]) + SUB r14,r14,r10 @ r14= s3 = x2[3] - x2[2] + ADD r10,r14,r10,LSL #1 @ r10= x2[3] + x2[2] (-> x1[3]) + STMIA r7,{r3,r4,r8,r10} + + @ r0 = points + @ r1 = x2 + @ r2 = s0 + @ r3 free + @ r4 free + @ r5 = T + @ r6 = step + @ r7 = x1 + @ r8 free + @ r9 = s2 + @ r10 free + @ r11= s1 + @ r12= limit + @ r14= s3 + + LDR r8, [r5,#4] @ r8 = T[1] + LDR r10,[r5],r6,LSL #2 @ r10= T[0] T += step + + @ XPROD31(s1, s0, T[0], T[1], &x2[0], &x2[2]) + @ x2[0] = (s1*T[0] + s0*T[1])>>31 x2[2] = (s0*T[0] - s1*T[1])>>31 + @ stall Xscale + SMULL r4, r3, r2, r8 @ (r4, r3) = s0*T[1] + SMLAL r4, r3, r11,r10 @ (r4, r3) += s1*T[0] + RSB r11,r11,#0 + SMULL r11,r4, r8, r11 @ (r11,r4) = -s1*T[1] + SMLAL r11,r4, r2, r10 @ (r11,r4) += s0*T[0] + MOV r2, r3, LSL #1 @ r2 = r3<<1 = Value for x2[0] + + @ XPROD31(s2, s3, T[0], T[1], &x2[1], &x2[3]) + @ x2[1] = (s2*T[0] + s3*T[1])>>31 x2[3] = (s3*T[0] - s2*T[1])>>31 + SMULL r11,r3, r9, r10 @ (r11,r3) = s2*T[0] + MOV r4, r4, LSL #1 @ r4 = r4<<1 = Value for x2[2] + SMLAL r11,r3, r14,r8 @ (r11,r3) += s3*T[1] + RSB r9, r9, #0 + SMULL r10,r11,r14,r10 @ (r10,r11) = s3*T[0] + MOV r3, r3, LSL #1 @ r3 = r3<<1 = Value for x2[1] + SMLAL r10,r11,r9,r8 @ (r10,r11) -= s2*T[1] + CMP r5, r12 + MOV r11,r11,LSL #1 @ r11= r11<<1 = Value for x2[3] + + STMIA r1,{r2,r3,r4,r11} + + BLT mdct_bufferfly_generic_loop1 + + SUB r12,r12,#1024*4 +mdct_bufferfly_generic_loop2: + LDMDB r7!,{r2,r3,r9,r10} @ r2 = x1[0] + @ r3 = x1[1] + @ r9 = x1[2] + @ r10= x1[3] x1 -= 4 + LDMDB r1!,{r4,r8,r11,r14} @ r4 = x2[0] + @ r8 = x2[1] + @ r11= x2[2] + @ r14= x2[3] x2 -= 4 + + SUB r2, r2, r3 @ r2 = s0 = x1[0] - x1[1] + ADD r3, r2, r3, LSL #1 @ r3 = x1[0] + x1[1] (-> x1[0]) + SUB r9, r9,r10 @ r9 = s1 = x1[2] - x1[3] + ADD r10,r9,r10, LSL #1 @ r10= x1[2] + x1[3] (-> x1[2]) + SUB r4, r4, r8 @ r4 = s2 = x2[0] - x2[1] + ADD r8, r4, r8, LSL #1 @ r8 = x2[0] + x2[1] (-> x1[1]) + SUB r14,r14,r11 @ r14= s3 = x2[3] - x2[2] + ADD r11,r14,r11,LSL #1 @ r11= x2[3] + x2[2] (-> x1[3]) + STMIA r7,{r3,r8,r10,r11} + + @ r0 = points + @ r1 = x2 + @ r2 = s0 + @ r3 free + @ r4 = s2 + @ r5 = T + @ r6 = step + @ r7 = x1 + @ r8 free + @ r9 = s1 + @ r10 free + @ r11 free + @ r12= limit + @ r14= s3 + + LDR r8, [r5,#4] @ r8 = T[1] + LDR r10,[r5],-r6,LSL #2 @ r10= T[0] T -= step + + @ XNPROD31(s0, s1, T[0], T[1], &x2[0], &x2[2]) + @ x2[0] = (s0*T[0] - s1*T[1])>>31 x2[2] = (s1*T[0] + s0*T[1])>>31 + @ stall Xscale + SMULL r3, r11,r2, r8 @ (r3, r11) = s0*T[1] + SMLAL r3, r11,r9, r10 @ (r3, r11) += s1*T[0] + RSB r9, r9, #0 + SMULL r3, r2, r10,r2 @ (r3, r2) = s0*T[0] + SMLAL r3, r2, r9, r8 @ (r3, r2) += -s1*T[1] + MOV r9, r11,LSL #1 @ r9 = r11<<1 = Value for x2[2] + + @ XNPROD31(s3, s2, T[0], T[1], &x2[1], &x2[3]) + @ x2[1] = (s3*T[0] - s2*T[1])>>31 x2[3] = (s2*T[0] + s3*T[1])>>31 + SMULL r3, r11,r4, r10 @ (r3,r11) = s2*T[0] + MOV r2, r2, LSL #1 @ r2 = r2<<1 = Value for x2[0] + SMLAL r3, r11,r14,r8 @ (r3,r11) += s3*T[1] + RSB r4, r4, #0 + SMULL r10,r3,r14,r10 @ (r10,r3) = s3*T[0] + MOV r11,r11,LSL #1 @ r11= r11<<1 = Value for x2[3] + SMLAL r10,r3, r4, r8 @ (r10,r3) -= s2*T[1] + CMP r5, r12 + MOV r3, r3, LSL #1 @ r3 = r3<<1 = Value for x2[1] + + STMIA r1,{r2,r3,r9,r11} + + BGT mdct_bufferfly_generic_loop2 + + LDR r2,[r13],#4 @ unstack r2 + ADD r1, r1, r0, LSL #2 @ r1 = x+POINTS*j + @ stall Xscale + SUBS r2, r2, #1 @ r2-- (j++) + BGT mdct_butterflies_loop2 + + LDMFD r13!,{r4,r14} + + LDR r1,[r13,#4] + + SUBS r4, r4, #1 @ stages-- + MOV r14,r14,LSL #1 @ r14= 4< x[16] + SUB r9, r9, r10 @ r9 = s1 = x[18] - x[19] + ADD r10,r9, r10,LSL #1 @ r10= x[18] + x[19] -> x[18] + SUB r8, r8, r7 @ r8 = s2 = x[ 1] - x[ 0] + ADD r7, r8, r7, LSL #1 @ r7 = x[ 1] + x[ 0] -> x[17] + SUB r12,r12,r11 @ r12= s3 = x[ 3] - x[ 2] + ADD r11,r12,r11, LSL #1 @ r11= x[ 3] + x[ 2] -> x[19] + STMIA r4!,{r6,r7,r10,r11} + + LDR r6,cPI1_8 + LDR r7,cPI3_8 + + @ XNPROD31( s0, s1, cPI3_8, cPI1_8, &x[ 0], &x[ 2] ) + @ x[0] = s0*cPI3_8 - s1*cPI1_8 x[2] = s1*cPI3_8 + s0*cPI1_8 + @ stall Xscale + SMULL r14,r11,r5, r6 @ (r14,r11) = s0*cPI1_8 + SMLAL r14,r11,r9, r7 @ (r14,r11) += s1*cPI3_8 + RSB r9, r9, #0 + SMULL r14,r5, r7, r5 @ (r14,r5) = s0*cPI3_8 + SMLAL r14,r5, r9, r6 @ (r14,r5) -= s1*cPI1_8 + MOV r11,r11,LSL #1 + MOV r5, r5, LSL #1 + + @ XPROD31 ( s2, s3, cPI1_8, cPI3_8, &x[ 1], &x[ 3] ) + @ x[1] = s2*cPI1_8 + s3*cPI3_8 x[3] = s3*cPI1_8 - s2*cPI3_8 + SMULL r14,r9, r8, r6 @ (r14,r9) = s2*cPI1_8 + SMLAL r14,r9, r12,r7 @ (r14,r9) += s3*cPI3_8 + RSB r8,r8,#0 + SMULL r14,r12,r6, r12 @ (r14,r12) = s3*cPI1_8 + SMLAL r14,r12,r8, r7 @ (r14,r12) -= s2*cPI3_8 + MOV r9, r9, LSL #1 + MOV r12,r12,LSL #1 + STMIA r1!,{r5,r9,r11,r12} + + @ block2 + LDMIA r4,{r5,r6,r9,r10} @ r5 = x[20] + @ r6 = x[21] + @ r9 = x[22] + @ r10= x[23] + LDMIA r1,{r7,r8,r11,r12} @ r7 = x[4] + @ r8 = x[5] + @ r11= x[6] + @ r12= x[7] + SUB r5, r5, r6 @ r5 = s0 = x[20] - x[21] + ADD r6, r5, r6, LSL #1 @ r6 = x[20] + x[21] -> x[20] + SUB r9, r9, r10 @ r9 = s1 = x[22] - x[23] + ADD r10,r9, r10,LSL #1 @ r10= x[22] + x[23] -> x[22] + SUB r8, r8, r7 @ r8 = s2 = x[ 5] - x[ 4] + ADD r7, r8, r7, LSL #1 @ r7 = x[ 5] + x[ 4] -> x[21] + SUB r12,r12,r11 @ r12= s3 = x[ 7] - x[ 6] + ADD r11,r12,r11, LSL #1 @ r11= x[ 7] + x[ 6] -> x[23] + LDR r14,cPI2_8 + STMIA r4!,{r6,r7,r10,r11} + + SUB r5, r5, r9 @ r5 = s0 - s1 + ADD r9, r5, r9, LSL #1 @ r9 = s0 + s1 + SMULL r6, r5, r14,r5 @ (r6,r5) = (s0-s1)*cPI2_8 + SUB r12,r12,r8 @ r12= s3 - s2 + ADD r8, r12,r8, LSL #1 @ r8 = s3 + s2 + + SMULL r6, r8, r14,r8 @ (r6,r8) = (s3+s2)*cPI2_8 + MOV r5, r5, LSL #1 + SMULL r6, r9, r14,r9 @ (r6,r9) = (s0+s1)*cPI2_8 + MOV r8, r8, LSL #1 + SMULL r6, r12,r14,r12 @ (r6,r12) = (s3-s2)*cPI2_8 + MOV r9, r9, LSL #1 + MOV r12,r12,LSL #1 + STMIA r1!,{r5,r8,r9,r12} + + @ block3 + LDMIA r4,{r5,r6,r9,r10} @ r5 = x[24] + @ r6 = x[25] + @ r9 = x[25] + @ r10= x[26] + LDMIA r1,{r7,r8,r11,r12} @ r7 = x[8] + @ r8 = x[9] + @ r11= x[10] + @ r12= x[11] + SUB r5, r5, r6 @ r5 = s0 = x[24] - x[25] + ADD r6, r5, r6, LSL #1 @ r6 = x[24] + x[25] -> x[25] + SUB r9, r9, r10 @ r9 = s1 = x[26] - x[27] + ADD r10,r9, r10,LSL #1 @ r10= x[26] + x[27] -> x[26] + SUB r8, r8, r7 @ r8 = s2 = x[ 9] - x[ 8] + ADD r7, r8, r7, LSL #1 @ r7 = x[ 9] + x[ 8] -> x[25] + SUB r12,r12,r11 @ r12= s3 = x[11] - x[10] + ADD r11,r12,r11, LSL #1 @ r11= x[11] + x[10] -> x[27] + STMIA r4!,{r6,r7,r10,r11} + + LDR r6,cPI3_8 + LDR r7,cPI1_8 + + @ XNPROD31( s0, s1, cPI1_8, cPI3_8, &x[ 8], &x[10] ) + @ x[8] = s0*cPI1_8 - s1*cPI3_8 x[10] = s1*cPI1_8 + s0*cPI3_8 + @ stall Xscale + SMULL r14,r11,r5, r6 @ (r14,r11) = s0*cPI3_8 + SMLAL r14,r11,r9, r7 @ (r14,r11) += s1*cPI1_8 + RSB r9, r9, #0 + SMULL r14,r5, r7, r5 @ (r14,r5) = s0*cPI1_8 + SMLAL r14,r5, r9, r6 @ (r14,r5) -= s1*cPI3_8 + MOV r11,r11,LSL #1 + MOV r5, r5, LSL #1 + + @ XPROD31 ( s2, s3, cPI3_8, cPI1_8, &x[ 9], &x[11] ) + @ x[9] = s2*cPI3_8 + s3*cPI1_8 x[11] = s3*cPI3_8 - s2*cPI1_8 + SMULL r14,r9, r8, r6 @ (r14,r9) = s2*cPI3_8 + SMLAL r14,r9, r12,r7 @ (r14,r9) += s3*cPI1_8 + RSB r8,r8,#0 + SMULL r14,r12,r6, r12 @ (r14,r12) = s3*cPI3_8 + SMLAL r14,r12,r8, r7 @ (r14,r12) -= s2*cPI1_8 + MOV r9, r9, LSL #1 + MOV r12,r12,LSL #1 + STMIA r1!,{r5,r9,r11,r12} + + @ block4 + LDMIA r4,{r5,r6,r10,r11} @ r5 = x[28] + @ r6 = x[29] + @ r10= x[30] + @ r11= x[31] + LDMIA r1,{r8,r9,r12,r14} @ r8 = x[12] + @ r9 = x[13] + @ r12= x[14] + @ r14= x[15] + SUB r5, r5, r6 @ r5 = s0 = x[28] - x[29] + ADD r6, r5, r6, LSL #1 @ r6 = x[28] + x[29] -> x[28] + SUB r7, r14,r12 @ r7 = s3 = x[15] - x[14] + ADD r12,r7, r12, LSL #1 @ r12= x[15] + x[14] -> x[31] + SUB r10,r10,r11 @ r10= s1 = x[30] - x[31] + ADD r11,r10,r11,LSL #1 @ r11= x[30] + x[31] -> x[30] + SUB r14, r8, r9 @ r14= s2 = x[12] - x[13] + ADD r9, r14, r9, LSL #1 @ r9 = x[12] + x[13] -> x[29] + STMIA r4!,{r6,r9,r11,r12} + STMIA r1!,{r5,r7,r10,r14} + + @ mdct_butterfly16 (1st version) + @ block 1 + SUB r1,r1,#16*4 + ADD r4,r1,#8*4 + LDMIA r4,{r5,r6,r9,r10} @ r5 = x[ 8] + @ r6 = x[ 9] + @ r9 = x[10] + @ r10= x[11] + LDMIA r1,{r7,r8,r11,r12} @ r7 = x[0] + @ r8 = x[1] + @ r11= x[2] + @ r12= x[3] + SUB r5, r5, r6 @ r5 = s0 = x[ 8] - x[ 9] + ADD r6, r5, r6, LSL #1 @ r6 = x[ 8] + x[ 9] -> x[ 8] + SUB r9, r9, r10 @ r9 = s1 = x[10] - x[11] + ADD r10,r9, r10,LSL #1 @ r10= x[10] + x[11] -> x[10] + SUB r8, r8, r7 @ r8 = s2 = x[ 1] - x[ 0] + ADD r7, r8, r7, LSL #1 @ r7 = x[ 1] + x[ 0] -> x[ 9] + SUB r12,r12,r11 @ r12= s3 = x[ 3] - x[ 2] + ADD r11,r12,r11, LSL #1 @ r11= x[ 3] + x[ 2] -> x[11] + LDR r14,cPI2_8 + STMIA r4!,{r6,r7,r10,r11} + + SUB r5, r5, r9 @ r5 = s0 - s1 + ADD r9, r5, r9, LSL #1 @ r9 = s0 + s1 + SMULL r6, r5, r14,r5 @ (r6,r5) = (s0-s1)*cPI2_8 + SUB r12,r12,r8 @ r12= s3 - s2 + ADD r8, r12,r8, LSL #1 @ r8 = s3 + s2 + + SMULL r6, r8, r14,r8 @ (r6,r8) = (s3+s2)*cPI2_8 + MOV r5, r5, LSL #1 + SMULL r6, r9, r14,r9 @ (r6,r9) = (s0+s1)*cPI2_8 + MOV r8, r8, LSL #1 + SMULL r6, r12,r14,r12 @ (r6,r12) = (s3-s2)*cPI2_8 + MOV r9, r9, LSL #1 + MOV r12,r12,LSL #1 + STMIA r1!,{r5,r8,r9,r12} + + @ block4 + LDMIA r4,{r5,r6,r9,r10} @ r5 = x[12] + @ r6 = x[13] + @ r9 = x[14] + @ r10= x[15] + LDMIA r1,{r7,r8,r11,r12} @ r7 = x[ 4] + @ r8 = x[ 5] + @ r11= x[ 6] + @ r12= x[ 7] + SUB r14,r7, r8 @ r14= s0 = x[ 4] - x[ 5] + ADD r8, r14,r8, LSL #1 @ r8 = x[ 4] + x[ 5] -> x[13] + SUB r7, r12,r11 @ r7 = s1 = x[ 7] - x[ 6] + ADD r11,r7, r11, LSL #1 @ r11= x[ 7] + x[ 6] -> x[15] + SUB r5, r5, r6 @ r5 = s2 = x[12] - x[13] + ADD r6, r5, r6, LSL #1 @ r6 = x[12] + x[13] -> x[12] + SUB r12,r9, r10 @ r12= s3 = x[14] - x[15] + ADD r10,r12,r10,LSL #1 @ r10= x[14] + x[15] -> x[14] + STMIA r4!,{r6,r8,r10,r11} + STMIA r1!,{r5,r7,r12,r14} + + @ mdct_butterfly_8 + LDMDB r1,{r6,r7,r8,r9,r10,r11,r12,r14} + @ r6 = x[0] + @ r7 = x[1] + @ r8 = x[2] + @ r9 = x[3] + @ r10= x[4] + @ r11= x[5] + @ r12= x[6] + @ r14= x[7] + ADD r6, r6, r7 @ r6 = s0 = x[0] + x[1] + SUB r7, r6, r7, LSL #1 @ r7 = s1 = x[0] - x[1] + ADD r8, r8, r9 @ r8 = s2 = x[2] + x[3] + SUB r9, r8, r9, LSL #1 @ r9 = s3 = x[2] - x[3] + ADD r10,r10,r11 @ r10= s4 = x[4] + x[5] + SUB r11,r10,r11,LSL #1 @ r11= s5 = x[4] - x[5] + ADD r12,r12,r14 @ r12= s6 = x[6] + x[7] + SUB r14,r12,r14,LSL #1 @ r14= s7 = x[6] - x[7] + + ADD r2, r11,r9 @ r2 = x[0] = s5 + s3 + SUB r4, r2, r9, LSL #1 @ r4 = x[2] = s5 - s3 + SUB r3, r14,r7 @ r3 = x[1] = s7 - s1 + ADD r5, r3, r7, LSL #1 @ r5 = x[3] = s7 + s1 + SUB r10,r10,r6 @ r10= x[4] = s4 - s0 + SUB r11,r12,r8 @ r11= x[5] = s6 - s2 + ADD r12,r10,r6, LSL #1 @ r12= x[6] = s4 + s0 + ADD r14,r11,r8, LSL #1 @ r14= x[7] = s6 + s2 + STMDB r1,{r2,r3,r4,r5,r10,r11,r12,r14} + + @ mdct_butterfly_8 + LDMIA r1,{r6,r7,r8,r9,r10,r11,r12,r14} + @ r6 = x[0] + @ r7 = x[1] + @ r8 = x[2] + @ r9 = x[3] + @ r10= x[4] + @ r11= x[5] + @ r12= x[6] + @ r14= x[7] + ADD r6, r6, r7 @ r6 = s0 = x[0] + x[1] + SUB r7, r6, r7, LSL #1 @ r7 = s1 = x[0] - x[1] + ADD r8, r8, r9 @ r8 = s2 = x[2] + x[3] + SUB r9, r8, r9, LSL #1 @ r9 = s3 = x[2] - x[3] + ADD r10,r10,r11 @ r10= s4 = x[4] + x[5] + SUB r11,r10,r11,LSL #1 @ r11= s5 = x[4] - x[5] + ADD r12,r12,r14 @ r12= s6 = x[6] + x[7] + SUB r14,r12,r14,LSL #1 @ r14= s7 = x[6] - x[7] + + ADD r2, r11,r9 @ r2 = x[0] = s5 + s3 + SUB r4, r2, r9, LSL #1 @ r4 = x[2] = s5 - s3 + SUB r3, r14,r7 @ r3 = x[1] = s7 - s1 + ADD r5, r3, r7, LSL #1 @ r5 = x[3] = s7 + s1 + SUB r10,r10,r6 @ r10= x[4] = s4 - s0 + SUB r11,r12,r8 @ r11= x[5] = s6 - s2 + ADD r12,r10,r6, LSL #1 @ r12= x[6] = s4 + s0 + ADD r14,r11,r8, LSL #1 @ r14= x[7] = s6 + s2 + STMIA r1,{r2,r3,r4,r5,r10,r11,r12,r14} + + @ block 2 + ADD r1,r1,#16*4-8*4 + ADD r4,r1,#8*4 + LDMIA r4,{r5,r6,r9,r10} @ r5 = x[ 8] + @ r6 = x[ 9] + @ r9 = x[10] + @ r10= x[11] + LDMIA r1,{r7,r8,r11,r12} @ r7 = x[0] + @ r8 = x[1] + @ r11= x[2] + @ r12= x[3] + SUB r5, r5, r6 @ r5 = s0 = x[ 8] - x[ 9] + ADD r6, r5, r6, LSL #1 @ r6 = x[ 8] + x[ 9] -> x[ 8] + SUB r9, r9, r10 @ r9 = s1 = x[10] - x[11] + ADD r10,r9, r10,LSL #1 @ r10= x[10] + x[11] -> x[10] + SUB r8, r8, r7 @ r8 = s2 = x[ 1] - x[ 0] + ADD r7, r8, r7, LSL #1 @ r7 = x[ 1] + x[ 0] -> x[ 9] + SUB r12,r12,r11 @ r12= s3 = x[ 3] - x[ 2] + ADD r11,r12,r11, LSL #1 @ r11= x[ 3] + x[ 2] -> x[11] + LDR r14,cPI2_8 + STMIA r4!,{r6,r7,r10,r11} + + SUB r5, r5, r9 @ r5 = s0 - s1 + ADD r9, r5, r9, LSL #1 @ r9 = s0 + s1 + SMULL r6, r5, r14,r5 @ (r6,r5) = (s0-s1)*cPI2_8 + SUB r12,r12,r8 @ r12= s3 - s2 + ADD r8, r12,r8, LSL #1 @ r8 = s3 + s2 + + SMULL r6, r8, r14,r8 @ (r6,r8) = (s3+s2)*cPI2_8 + MOV r5, r5, LSL #1 + SMULL r6, r9, r14,r9 @ (r6,r9) = (s0+s1)*cPI2_8 + MOV r8, r8, LSL #1 + SMULL r6, r12,r14,r12 @ (r6,r12) = (s3-s2)*cPI2_8 + MOV r9, r9, LSL #1 + MOV r12,r12,LSL #1 + STMIA r1!,{r5,r8,r9,r12} + + @ block4 + LDMIA r4,{r5,r6,r9,r10} @ r5 = x[12] + @ r6 = x[13] + @ r9 = x[14] + @ r10= x[15] + LDMIA r1,{r7,r8,r11,r12} @ r7 = x[ 4] + @ r8 = x[ 5] + @ r11= x[ 6] + @ r12= x[ 7] + SUB r5, r5, r6 @ r5 = s2 = x[12] - x[13] + ADD r6, r5, r6, LSL #1 @ r6 = x[12] + x[13] -> x[12] + SUB r9, r9, r10 @ r9 = s3 = x[14] - x[15] + ADD r10,r9, r10,LSL #1 @ r10= x[14] + x[15] -> x[14] + SUB r14,r7, r8 @ r14= s0 = x[ 4] - x[ 5] + ADD r8, r14,r8, LSL #1 @ r8 = x[ 4] + x[ 5] -> x[13] + SUB r7, r12,r11 @ r7 = s1 = x[ 7] - x[ 6] + ADD r11,r7, r11, LSL #1 @ r11= x[ 7] + x[ 6] -> x[15] + STMIA r4!,{r6,r8,r10,r11} + STMIA r1!,{r5,r7,r9,r14} + + @ mdct_butterfly_8 + LDMDB r1,{r6,r7,r8,r9,r10,r11,r12,r14} + @ r6 = x[0] + @ r7 = x[1] + @ r8 = x[2] + @ r9 = x[3] + @ r10= x[4] + @ r11= x[5] + @ r12= x[6] + @ r14= x[7] + ADD r6, r6, r7 @ r6 = s0 = x[0] + x[1] + SUB r7, r6, r7, LSL #1 @ r7 = s1 = x[0] - x[1] + ADD r8, r8, r9 @ r8 = s2 = x[2] + x[3] + SUB r9, r8, r9, LSL #1 @ r9 = s3 = x[2] - x[3] + ADD r10,r10,r11 @ r10= s4 = x[4] + x[5] + SUB r11,r10,r11,LSL #1 @ r11= s5 = x[4] - x[5] + ADD r12,r12,r14 @ r12= s6 = x[6] + x[7] + SUB r14,r12,r14,LSL #1 @ r14= s7 = x[6] - x[7] + + ADD r2, r11,r9 @ r2 = x[0] = s5 + s3 + SUB r4, r2, r9, LSL #1 @ r4 = x[2] = s5 - s3 + SUB r3, r14,r7 @ r3 = x[1] = s7 - s1 + ADD r5, r3, r7, LSL #1 @ r5 = x[3] = s7 + s1 + SUB r10,r10,r6 @ r10= x[4] = s4 - s0 + SUB r11,r12,r8 @ r11= x[5] = s6 - s2 + ADD r12,r10,r6, LSL #1 @ r12= x[6] = s4 + s0 + ADD r14,r11,r8, LSL #1 @ r14= x[7] = s6 + s2 + STMDB r1,{r2,r3,r4,r5,r10,r11,r12,r14} + + @ mdct_butterfly_8 + LDMIA r1,{r6,r7,r8,r9,r10,r11,r12,r14} + @ r6 = x[0] + @ r7 = x[1] + @ r8 = x[2] + @ r9 = x[3] + @ r10= x[4] + @ r11= x[5] + @ r12= x[6] + @ r14= x[7] + ADD r6, r6, r7 @ r6 = s0 = x[0] + x[1] + SUB r7, r6, r7, LSL #1 @ r7 = s1 = x[0] - x[1] + ADD r8, r8, r9 @ r8 = s2 = x[2] + x[3] + SUB r9, r8, r9, LSL #1 @ r9 = s3 = x[2] - x[3] + ADD r10,r10,r11 @ r10= s4 = x[4] + x[5] + SUB r11,r10,r11,LSL #1 @ r11= s5 = x[4] - x[5] + ADD r12,r12,r14 @ r12= s6 = x[6] + x[7] + SUB r14,r12,r14,LSL #1 @ r14= s7 = x[6] - x[7] + + ADD r2, r11,r9 @ r2 = x[0] = s5 + s3 + SUB r4, r2, r9, LSL #1 @ r4 = x[2] = s5 - s3 + SUB r3, r14,r7 @ r3 = x[1] = s7 - s1 + ADD r5, r3, r7, LSL #1 @ r5 = x[3] = s7 + s1 + SUB r10,r10,r6 @ r10= x[4] = s4 - s0 + SUB r11,r12,r8 @ r11= x[5] = s6 - s2 + ADD r12,r10,r6, LSL #1 @ r12= x[6] = s4 + s0 + ADD r14,r11,r8, LSL #1 @ r14= x[7] = s6 + s2 + STMIA r1,{r2,r3,r4,r5,r10,r11,r12,r14} + + ADD r1,r1,#8*4 + SUBS r0,r0,#64 + BGT mdct_bufferflies_loop3 + + LDMFD r13,{r0-r3} + +mdct_bitreverseARM: + @ r0 = points = n + @ r1 = in + @ r2 = step + @ r3 = shift + + MOV r4, #0 @ r4 = bit = 0 + ADD r5, r1, r0, LSL #1 @ r5 = w = x + (n>>1) + ADR r6, bitrev + SUB r5, r5, #8 +brev_lp: + LDRB r7, [r6, r4, LSR #6] + AND r8, r4, #0x3f + LDRB r8, [r6, r8] + ADD r4, r4, #1 @ bit++ + @ stall XScale + ORR r7, r7, r8, LSL #6 @ r7 = bitrev[bit] + MOV r7, r7, LSR r3 + ADD r9, r1, r7, LSL #2 @ r9 = xx = x + (b>>shift) + CMP r5, r9 @ if (w > xx) + LDR r10,[r5],#-8 @ r10 = w[0] w -= 2 + LDRGT r11,[r5,#12] @ r11 = w[1] + LDRGT r12,[r9] @ r12 = xx[0] + LDRGT r14,[r9,#4] @ r14 = xx[1] + STRGT r10,[r9] @ xx[0]= w[0] + STRGT r11,[r9,#4] @ xx[1]= w[1] + STRGT r12,[r5,#8] @ w[0] = xx[0] + STRGT r14,[r5,#12] @ w[1] = xx[1] + CMP r5,r1 + BGT brev_lp + + @ mdct_step7 + @ r0 = points + @ r1 = in + @ r2 = step + @ r3 = shift + + CMP r2, #4 @ r5 = T = (step>=4) ? + ADR r7, .Lsincos_lookup @ sincos_lookup0 + + ADDLT r7, #4 @ sincos_lookup1 + LDR r5, [r7] + ADD r5, r7 + ADD r7, r1, r0, LSL #1 @ r7 = w1 = x + (n>>1) + ADDGE r5, r5, r2, LSL #1 @ (step>>1) + ADD r8, r5, #1024*4 @ r8 = Ttop +step7_loop1: + LDR r6, [r1] @ r6 = w0[0] + LDR r9, [r1,#4] @ r9 = w0[1] + LDR r10,[r7,#-8]! @ r10= w1[0] w1 -= 2 + LDR r11,[r7,#4] @ r11= w1[1] + LDR r14,[r5,#4] @ r14= T[1] + LDR r12,[r5],r2,LSL #2 @ r12= T[0] T += step + + ADD r6, r6, r10 @ r6 = s0 = w0[0] + w1[0] + SUB r10,r6, r10,LSL #1 @ r10= s1b= w0[0] - w1[0] + SUB r11,r11,r9 @ r11= s1 = w1[1] - w0[1] + ADD r9, r11,r9, LSL #1 @ r9 = s0b= w1[1] + w0[1] + + @ Can save 1 cycle by using SMULL SMLAL - at the cost of being + @ 1 off. + SMULL r0, r3, r6, r14 @ (r0,r3) = s0*T[1] + SMULL r0, r4, r11,r12 @ (r0,r4) += s1*T[0] = s2 + ADD r3, r3, r4 + SMULL r0, r14,r11,r14 @ (r0,r14) = s1*T[1] + SMULL r0, r12,r6, r12 @ (r0,r12) += s0*T[0] = s3 + SUB r14,r14,r12 + + @ r9 = s0b<<1 + @ r10= s1b<<1 + ADD r9, r3, r9, ASR #1 @ r9 = s0b + s2 + SUB r3, r9, r3, LSL #1 @ r3 = s0b - s2 + + SUB r12,r14,r10,ASR #1 @ r12= s3 - s1b + ADD r10,r14,r10,ASR #1 @ r10= s3 + s1b + STR r9, [r1],#4 + STR r10,[r1],#4 @ w0 += 2 + STR r3, [r7] + STR r12,[r7,#4] + + CMP r5,r8 + BLT step7_loop1 + +step7_loop2: + LDR r6, [r1] @ r6 = w0[0] + LDR r9, [r1,#4] @ r9 = w0[1] + LDR r10,[r7,#-8]! @ r10= w1[0] w1 -= 2 + LDR r11,[r7,#4] @ r11= w1[1] + LDR r14,[r5,-r2,LSL #2]! @ r12= T[1] T -= step + LDR r12,[r5,#4] @ r14= T[0] + + ADD r6, r6, r10 @ r6 = s0 = w0[0] + w1[0] + SUB r10,r6, r10,LSL #1 @ r10= s1b= w0[0] - w1[0] + SUB r11,r11,r9 @ r11= s1 = w1[1] - w0[1] + ADD r9, r11,r9, LSL #1 @ r9 = s0b= w1[1] + w0[1] + + @ Can save 1 cycle by using SMULL SMLAL - at the cost of being + @ 1 off. + SMULL r0, r3, r6, r14 @ (r0,r3) = s0*T[0] + SMULL r0, r4, r11,r12 @ (r0,r4) += s1*T[1] = s2 + ADD r3, r3, r4 + SMULL r0, r14,r11,r14 @ (r0,r14) = s1*T[0] + SMULL r0, r12,r6, r12 @ (r0,r12) += s0*T[1] = s3 + SUB r14,r14,r12 + + @ r9 = s0b<<1 + @ r10= s1b<<1 + ADD r9, r3, r9, ASR #1 @ r9 = s0b + s2 + SUB r3, r9, r3, LSL #1 @ r3 = s0b - s2 + + SUB r12,r14,r10,ASR #1 @ r12= s3 - s1b + ADD r10,r14,r10,ASR #1 @ r10= s3 + s1b + STR r9, [r1],#4 + STR r10,[r1],#4 @ w0 += 2 + STR r3, [r7] + STR r12,[r7,#4] + + CMP r1,r7 + BLT step7_loop2 + + LDMFD r13!,{r0-r3} + + @ r0 = points + @ r1 = in + @ r2 = step + @ r3 = shift + MOV r2, r2, ASR #2 @ r2 = step >>= 2 + CMP r2, #0 + CMPNE r2, #1 + BEQ mdct_end + + @ step > 1 (default case) + CMP r2, #4 @ r5 = T = (step>=4) ? + ADR r7, .Lsincos_lookup @ sincos_lookup0 + + ADDLT r7, #4 @ sincos_lookup1 + LDR r5, [r7] + ADD r5, r7 + ADD r7, r1, r0, LSL #1 @ r7 = iX = x + (n>>1) + ADDGE r5, r5, r2, LSL #1 @ (step>>1) +mdct_step8_default: + LDR r6, [r1],#4 @ r6 = s0 = x[0] + LDR r8, [r1],#4 @ r8 = -s1 = x[1] + LDR r12,[r5,#4] @ r12= T[1] + LDR r14,[r5],r2,LSL #2 @ r14= T[0] T += step + RSB r8, r8, #0 @ r8 = s1 + + @ XPROD31(s0, s1, T[0], T[1], x, x+1) + @ x[0] = s0 * T[0] + s1 * T[1] x[1] = s1 * T[0] - s0 * T[1] + SMULL r9, r10, r8, r12 @ (r9,r10) = s1 * T[1] + CMP r1, r7 + SMLAL r9, r10, r6, r14 @ (r9,r10) += s0 * T[0] + RSB r6, r6, #0 @ r6 = -s0 + SMULL r9, r11, r8, r14 @ (r9,r11) = s1 * T[0] + MOV r10,r10,LSL #1 + SMLAL r9, r11, r6, r12 @ (r9,r11) -= s0 * T[1] + STR r10,[r1,#-8] + MOV r11,r11,LSL #1 + STR r11,[r1,#-4] + BLT mdct_step8_default + +mdct_end: + MOV r0, r2 + LDMFD r13!,{r4-r11,PC} + +cPI1_8: + .word 0x7641af3d +cPI2_8: + .word 0x5a82799a +cPI3_8: + .word 0x30fbc54d +bitrev: + .byte 0 + .byte 32 + .byte 16 + .byte 48 + .byte 8 + .byte 40 + .byte 24 + .byte 56 + .byte 4 + .byte 36 + .byte 20 + .byte 52 + .byte 12 + .byte 44 + .byte 28 + .byte 60 + .byte 2 + .byte 34 + .byte 18 + .byte 50 + .byte 10 + .byte 42 + .byte 26 + .byte 58 + .byte 6 + .byte 38 + .byte 22 + .byte 54 + .byte 14 + .byte 46 + .byte 30 + .byte 62 + .byte 1 + .byte 33 + .byte 17 + .byte 49 + .byte 9 + .byte 41 + .byte 25 + .byte 57 + .byte 5 + .byte 37 + .byte 21 + .byte 53 + .byte 13 + .byte 45 + .byte 29 + .byte 61 + .byte 3 + .byte 35 + .byte 19 + .byte 51 + .byte 11 + .byte 43 + .byte 27 + .byte 59 + .byte 7 + .byte 39 + .byte 23 + .byte 55 + .byte 15 + .byte 47 + .byte 31 + .byte 63 + +.Lsincos_lookup: + .word sincos_lookup0-.Lsincos_lookup + .word sincos_lookup1-(.Lsincos_lookup+4) + + @ END diff --git a/sources/tremolo/Tremolo/mdctLARM.s b/sources/tremolo/Tremolo/mdctLARM.s new file mode 100644 index 00000000..72a46473 --- /dev/null +++ b/sources/tremolo/Tremolo/mdctLARM.s @@ -0,0 +1,1206 @@ +@ Tremolo library +@----------------------------------------------------------------------- +@ Copyright (C) 2002-2009, Xiph.org Foundation +@ Copyright (C) 2010, Robin Watts for Pinknoise Productions Ltd +@ All rights reserved. + +@ Redistribution and use in source and binary forms, with or without +@ modification, are permitted provided that the following conditions +@ are met: + +@ * Redistributions of source code must retain the above copyright +@ notice, this list of conditions and the following disclaimer. +@ * Redistributions in binary form must reproduce the above +@ copyright notice, this list of conditions and the following disclaimer +@ in the documentation and/or other materials provided with the +@ distribution. +@ * Neither the names of the Xiph.org Foundation nor Pinknoise +@ Productions Ltd nor the names of its contributors may be used to +@ endorse or promote products derived from this software without +@ specific prior written permission. +@ +@ THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +@ "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +@ LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +@ A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +@ OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +@ SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +@ LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +@ DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +@ THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +@ (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +@ OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +@ ---------------------------------------------------------------------- + + .text + + @ low accuracy version + + .global mdct_backwardARM + .global mdct_shift_right + .global mdct_unroll_prelap + .global mdct_unroll_part2 + .global mdct_unroll_part3 + .global mdct_unroll_postlap + + .extern sincos_lookup0 + .extern sincos_lookup1 + +mdct_unroll_prelap: + @ r0 = out + @ r1 = post + @ r2 = r + @ r3 = step + STMFD r13!,{r4-r7,r14} + MVN r4, #0x8000 + MOV r3, r3, LSL #1 + SUB r1, r2, r1 @ r1 = r - post + SUBS r1, r1, #16 @ r1 = r - post - 16 + BLT unroll_over +unroll_loop: + LDMDB r2!,{r5,r6,r7,r12} + + MOV r5, r5, ASR #9 @ r5 = (*--r)>>9 + MOV r6, r6, ASR #9 @ r6 = (*--r)>>9 + MOV r7, r7, ASR #9 @ r7 = (*--r)>>9 + MOV r12,r12,ASR #9 @ r12= (*--r)>>9 + + MOV r14,r12,ASR #15 + TEQ r14,r14,ASR #31 @ if r14==0 || r14==-1 then in range + EORNE r12,r4, r14,ASR #31 + STRH r12,[r0], r3 + + MOV r14,r7, ASR #15 + TEQ r14,r14,ASR #31 @ if r14==0 || r14==-1 then in range + EORNE r7, r4, r14,ASR #31 + STRH r7, [r0], r3 + + MOV r14,r6, ASR #15 + TEQ r14,r14,ASR #31 @ if r14==0 || r14==-1 then in range + EORNE r6, r4, r14,ASR #31 + STRH r6, [r0], r3 + + MOV r14,r5, ASR #15 + TEQ r14,r14,ASR #31 @ if r14==0 || r14==-1 then in range + EORNE r5, r4, r14,ASR #31 + STRH r5, [r0], r3 + + SUBS r1, r1, #16 + BGE unroll_loop + +unroll_over: + ADDS r1, r1, #16 + BLE unroll_end +unroll_loop2: + LDR r5,[r2,#-4]! + @ stall + @ stall (Xscale) + MOV r5, r5, ASR #9 @ r5 = (*--r)>>9 + MOV r14,r5, ASR #15 + TEQ r14,r14,ASR #31 @ if r14==0 || r14==-1 then in range + EORNE r5, r4, r14,ASR #31 + STRH r5, [r0], r3 + SUBS r1, r1, #4 + BGT unroll_loop2 +unroll_end: + LDMFD r13!,{r4-r7,PC} + +mdct_unroll_postlap: + @ r0 = out + @ r1 = post + @ r2 = l + @ r3 = step + STMFD r13!,{r4-r7,r14} + MVN r4, #0x8000 + MOV r3, r3, LSL #1 + SUB r1, r1, r2 @ r1 = post - l + MOV r1, r1, ASR #1 @ r1 = (post - l)>>1 + SUBS r1, r1, #16 @ r1 = ((post - l)>>1) - 4 + BLT unroll_over3 +unroll_loop3: + LDR r12,[r2],#8 + LDR r7, [r2],#8 + LDR r6, [r2],#8 + LDR r5, [r2],#8 + + RSB r12,r12,#0 + RSB r5, r5, #0 + RSB r6, r6, #0 + RSB r7, r7, #0 + + MOV r12, r12,ASR #9 @ r12= (-*l)>>9 + MOV r5, r5, ASR #9 @ r5 = (-*l)>>9 + MOV r6, r6, ASR #9 @ r6 = (-*l)>>9 + MOV r7, r7, ASR #9 @ r7 = (-*l)>>9 + + MOV r14,r12,ASR #15 + TEQ r14,r14,ASR #31 @ if r14==0 || r14==-1 then in range + EORNE r12,r4, r14,ASR #31 + STRH r12,[r0], r3 + + MOV r14,r7, ASR #15 + TEQ r14,r14,ASR #31 @ if r14==0 || r14==-1 then in range + EORNE r7, r4, r14,ASR #31 + STRH r7, [r0], r3 + + MOV r14,r6, ASR #15 + TEQ r14,r14,ASR #31 @ if r14==0 || r14==-1 then in range + EORNE r6, r4, r14,ASR #31 + STRH r6, [r0], r3 + + MOV r14,r5, ASR #15 + TEQ r14,r14,ASR #31 @ if r14==0 || r14==-1 then in range + EORNE r5, r4, r14,ASR #31 + STRH r5, [r0], r3 + + SUBS r1, r1, #16 + BGE unroll_loop3 + +unroll_over3: + ADDS r1, r1, #16 + BLE unroll_over4 +unroll_loop4: + LDR r5,[r2], #8 + @ stall + @ stall (Xscale) + RSB r5, r5, #0 + MOV r5, r5, ASR #9 @ r5 = (-*l)>>9 + MOV r14,r5, ASR #15 + TEQ r14,r14,ASR #31 @ if r14==0 || r14==-1 then in range + EORNE r5, r4, r14,ASR #31 + STRH r5, [r0], r3 + SUBS r1, r1, #4 + BGT unroll_loop4 +unroll_over4: + LDMFD r13!,{r4-r7,PC} + +mdct_unroll_part2: + @ r0 = out + @ r1 = post + @ r2 = l + @ r3 = r + @ <> = step + @ <> = wL + @ <> = wR + MOV r12,r13 + STMFD r13!,{r4,r6-r11,r14} + LDMFD r12,{r8,r9,r10} @ r8 = step + @ r9 = wL + @ r10= wR + MVN r4, #0x8000 + MOV r8, r8, LSL #1 + SUBS r1, r3, r1 @ r1 = (r - post) + BLE unroll_over5 +unroll_loop5: + LDR r12,[r2, #-8]! @ r12= *l (but l -= 2 first) + LDR r7, [r3, #-4]! @ r7 = *--r + LDRB r6, [r10,#-1]! @ r6 = *--wR + LDRB r11,[r9],#1 @ r11= *wL++ + + MOV r12, r12, ASR #8 + @ Can save a cycle here, at the cost of 1bit errors in rounding + MUL r11,r12,r11 @ r11 = *l * *wL++ + MOV r7, r7, ASR #8 + MLA r6, r7, r6, r11 @ r6 = *--r * *--wR + MOV r6, r6, ASR #9 + MOV r14,r6, ASR #15 + TEQ r14,r14,ASR #31 @ if r14==0 || r14==-1 then in range + EORNE r6, r4, r14,ASR #31 + STRH r6, [r0], r8 + + SUBS r1, r1, #4 + BGT unroll_loop5 + +unroll_over5: + LDMFD r13!,{r4,r6-r11,PC} + +mdct_unroll_part3: + @ r0 = out + @ r1 = post + @ r2 = l + @ r3 = r + @ <> = step + @ <> = wL + @ <> = wR + MOV r12,r13 + STMFD r13!,{r4,r6-r11,r14} + LDMFD r12,{r8,r9,r10} @ r8 = step + @ r9 = wL + @ r10= wR + MVN r4, #0x8000 + MOV r8, r8, LSL #1 + SUBS r1, r1, r3 @ r1 = (post - r) + BLE unroll_over6 +unroll_loop6: + LDR r12,[r2],#8 @ r12= *l (but l += 2 first) + LDR r7, [r3],#4 @ r7 = *r++ + LDRB r11,[r9],#1 @ r11= *wL++ + LDRB r6, [r10,#-1]! @ r6 = *--wR + + @ Can save a cycle here, at the cost of 1bit errors in rounding + MOV r12,r12,ASR #8 + MUL r11,r12,r11 @ (r14,r11) = *l * *wL++ + MOV r7, r7, ASR #8 + MUL r6, r7, r6 @ (r14,r6) = *--r * *--wR + SUB r6, r6, r11 + MOV r6, r6, ASR #9 + MOV r14,r6, ASR #15 + TEQ r14,r14,ASR #31 @ if r14==0 || r14==-1 then in range + EORNE r6, r4, r14,ASR #31 + STRH r6, [r0], r8 + + SUBS r1, r1, #4 + BGT unroll_loop6 + +unroll_over6: + LDMFD r13!,{r4,r6-r11,PC} + +mdct_shift_right: + @ r0 = n + @ r1 = in + @ r2 = right + STMFD r13!,{r4-r11,r14} + + MOV r0, r0, LSR #2 @ n >>= 2 + ADD r1, r1, #4 + + SUBS r0, r0, #8 + BLT sr_less_than_8 +sr_loop: + LDR r3, [r1], #8 + LDR r4, [r1], #8 + LDR r5, [r1], #8 + LDR r6, [r1], #8 + LDR r7, [r1], #8 + LDR r8, [r1], #8 + LDR r12,[r1], #8 + LDR r14,[r1], #8 + SUBS r0, r0, #8 + STMIA r2!,{r3,r4,r5,r6,r7,r8,r12,r14} + BGE sr_loop +sr_less_than_8: + ADDS r0, r0, #8 + BEQ sr_end +sr_loop2: + LDR r3, [r1], #8 + SUBS r0, r0, #1 + STR r3, [r2], #4 + BGT sr_loop2 +sr_end: + LDMFD r13!,{r4-r11,PC} + +mdct_backwardARM: + @ r0 = n + @ r1 = in + STMFD r13!,{r4-r11,r14} + + MOV r2, #1<<4 @ r2 = 1<>1) + ADD r14,r1, r0 @ r14= in+(n>>2) + SUB r4, r4, #3*4 @ r4 = aX = in+n2-3 + LDR r5, =sincos_lookup0 @ r5 = T=sincos_lookup0 + +presymmetry_loop1: + LDR r7, [r4,#8] @ r6 = s2 = aX[2] + LDRB r11,[r5,#1] @ r11= T[1] + LDR r6, [r4],#-16 @ r6 = s0 = aX[0] + LDRB r10,[r5],r2 @ r10= T[0] T += step + MOV r6, r6, ASR #8 + MOV r7, r7, ASR #8 + + @ XPROD31(s0, s2, T[0], T[1], 0xaX[0], &ax[2]) + MUL r9, r6, r10 @ r9 = s0*T[0] + RSB r6, r6, #0 + MLA r9, r7, r11,r9 @ r9 += s2*T[1] + CMP r4, r14 + MUL r12,r7, r10 @ r12 = s2*T[0] + STR r9, [r4,#16] @ aX[0] = r9 + MLA r12,r6, r11,r12 @ r12 -= s0*T[1] + STR r12,[r4,#8+16] @ aX[2] = r12 + + BGE presymmetry_loop1 @ while (aX >= in+n4) + +presymmetry_loop2: + LDR r6, [r4],#-16 @ r6 = s0 = aX[0] + LDRB r10,[r5,#1] @ r10= T[1] + LDR r7, [r4,#16+8] @ r6 = s2 = aX[2] + LDRB r11,[r5],-r2 @ r11= T[0] T -= step + MOV r6, r6, ASR #8 + MOV r7, r7, ASR #8 + + @ XPROD31(s0, s2, T[1], T[0], 0xaX[0], &ax[2]) + MUL r9, r6, r10 @ r9 = s0*T[1] + RSB r6, r6, #0 + MLA r9, r7, r11,r9 @ r9 += s2*T[0] + CMP r4, r1 + MUL r12,r7, r10 @ r12 = s2*T[1] + STR r9, [r4,#16] @ aX[0] = r9 + MLA r12,r6, r11,r12 @ r12 -= s0*T[0] + STR r12,[r4,#8+16] @ aX[2] = r12 + + BGE presymmetry_loop2 @ while (aX >= in) + + @ r0 = n + @ r1 = in + @ r2 = step + @ r3 = shift + STMFD r13!,{r3} + LDR r5, =sincos_lookup0 @ r5 = T=sincos_lookup0 + ADD r4, r1, r0, LSL #1 @ r4 = aX = in+(n>>1) + SUB r4, r4, #4*4 @ r4 = aX = in+(n>>1)-4 + LDRB r11,[r5,#1] @ r11= T[1] + LDRB r10,[r5],r2 @ r10= T[0] T += step +presymmetry_loop3: + LDR r8, [r1],#16 @ r8 = ro0 = bX[0] + LDR r9, [r1,#8-16] @ r9 = ro2 = bX[2] + LDR r6, [r4],#-16 @ r6 = ri0 = aX[0] + LDR r7, [r4,#8+16] @ r7 = ri2 = aX[2] + MOV r8, r8, ASR #8 + MOV r9, r9, ASR #8 + MOV r6, r6, ASR #8 + + @ XNPROD31( ro2, ro0, T[1], T[0], 0xaX[0], &aX[2] ) + @ aX[0] = (ro2*T[1] - ro0*T[0])>>31 aX[2] = (ro0*T[1] + ro2*T[0])>>31 + MUL r12,r8, r11 @ r12 = ro0*T[1] + MOV r7, r7, ASR #8 + MLA r12,r9, r10,r12 @ r12 += ro2*T[0] + RSB r8, r8, #0 @ r8 = -ro0 + MUL r3, r9, r11 @ r3 = ro2*T[1] + LDRB r11,[r5,#1] @ r11= T[1] + MLA r3, r8, r10,r3 @ r3 -= ro0*T[0] + LDRB r10,[r5],r2 @ r10= T[0] T += step + STR r12,[r4,#16+8] + STR r3, [r4,#16] + + @ XNPROD31( ri2, ri0, T[0], T[1], 0xbX[0], &bX[2] ) + @ bX[0] = (ri2*T[0] - ri0*T[1])>>31 bX[2] = (ri0*T[0] + ri2*T[1])>>31 + MUL r12,r6, r10 @ r12 = ri0*T[0] + RSB r6, r6, #0 @ r6 = -ri0 + MLA r12,r7, r11,r12 @ r12 += ri2*T[1] + CMP r4, r1 + MUL r3, r7, r10 @ r3 = ri2*T[0] + STR r12,[r1,#8-16] + MLA r3, r6, r11,r3 @ r3 -= ri0*T[1] + STR r3, [r1,#-16] + + BGE presymmetry_loop3 + + SUB r1,r1,r0 @ r1 = in -= n>>2 (i.e. restore in) + + LDR r3,[r13] + STR r2,[r13,#-4]! + + @ mdct_butterflies + @ r0 = n = (points * 2) + @ r1 = in = x + @ r2 = i + @ r3 = shift + STMFD r13!,{r0-r1} + RSBS r4,r3,#6 @ r4 = stages = 7-shift then --stages + LDR r5,=sincos_lookup0 + BLE no_generics + MOV r14,#4 @ r14= 4 (i=0) + MOV r6, r14,LSL r3 @ r6 = (4<>i = POINTS + MOV r2, r14,LSR #2 @ r2 = (1<>1) + ADD r7,r1,r0,LSL #1 @ r7 = x1+4 = x + POINTS + ADD r12,r5,#1024 @ r12= sincos_lookup0+1024 + +mdct_bufferfly_generic_loop1: + LDMDB r7!,{r2,r3,r8,r11} @ r2 = x1[0] + @ r3 = x1[1] + @ r8 = x1[2] + @ r11= x1[3] x1 -= 4 + LDMDB r1!,{r4,r9,r10,r14} @ r4 = x2[0] + @ r9 = x2[1] + @ r10= x2[2] + @ r14= x2[3] x2 -= 4 + + SUB r2, r2, r3 @ r2 = s0 = x1[0] - x1[1] + ADD r3, r2, r3, LSL #1 @ r3 = x1[0] + x1[1] (-> x1[0]) + SUB r11,r11,r8 @ r11= s1 = x1[3] - x1[2] + ADD r8, r11,r8, LSL #1 @ r8 = x1[3] + x1[2] (-> x1[2]) + SUB r9, r9, r4 @ r9 = s2 = x2[1] - x2[0] + ADD r4, r9, r4, LSL #1 @ r4 = x2[1] + x2[0] (-> x1[1]) + SUB r14,r14,r10 @ r14= s3 = x2[3] - x2[2] + ADD r10,r14,r10,LSL #1 @ r10= x2[3] + x2[2] (-> x1[3]) + STMIA r7,{r3,r4,r8,r10} + + @ r0 = points + @ r1 = x2 + @ r2 = s0 + @ r3 free + @ r4 free + @ r5 = T + @ r6 = step + @ r7 = x1 + @ r8 free + @ r9 = s2 + @ r10 free + @ r11= s1 + @ r12= limit + @ r14= s3 + + LDRB r8, [r5,#1] @ r8 = T[1] + LDRB r10,[r5],r6 @ r10= T[0] T += step + MOV r2, r2, ASR #8 + MOV r11,r11,ASR #8 + MOV r9, r9, ASR #8 + MOV r14,r14,ASR #8 + + @ XPROD31(s1, s0, T[0], T[1], &x2[0], &x2[2]) + @ x2[0] = (s1*T[0] + s0*T[1])>>31 x2[2] = (s0*T[0] - s1*T[1])>>31 + @ stall Xscale + MUL r3, r2, r8 @ r3 = s0*T[1] + MLA r3, r11,r10,r3 @ r3 += s1*T[0] + RSB r11,r11,#0 + MUL r4, r8, r11 @ r4 = -s1*T[1] + MLA r4, r2, r10,r4 @ r4 += s0*T[0] = Value for x2[2] + MOV r2, r3 @ r2 = r3 = Value for x2[0] + + @ XPROD31(s2, s3, T[0], T[1], &x2[1], &x2[3]) + @ x2[1] = (s2*T[0] + s3*T[1])>>31 x2[3] = (s3*T[0] - s2*T[1])>>31 + MUL r3, r9, r10 @ r3 = s2*T[0] + MLA r3, r14,r8, r3 @ r3 += s3*T[1] = Value for x2[1] + RSB r9, r9, #0 + MUL r11,r14,r10 @ r11 = s3*T[0] + MLA r11,r9, r8, r11 @ r11 -= s2*T[1] = Value for x2[3] + CMP r5, r12 + + STMIA r1,{r2,r3,r4,r11} + + BLT mdct_bufferfly_generic_loop1 + + SUB r12,r12,#1024 +mdct_bufferfly_generic_loop2: + LDMDB r7!,{r2,r3,r9,r10} @ r2 = x1[0] + @ r3 = x1[1] + @ r9 = x1[2] + @ r10= x1[3] x1 -= 4 + LDMDB r1!,{r4,r8,r11,r14} @ r4 = x2[0] + @ r8 = x2[1] + @ r11= x2[2] + @ r14= x2[3] x2 -= 4 + + SUB r2, r2, r3 @ r2 = s0 = x1[0] - x1[1] + ADD r3, r2, r3, LSL #1 @ r3 = x1[0] + x1[1] (-> x1[0]) + SUB r9, r9,r10 @ r9 = s1 = x1[2] - x1[3] + ADD r10,r9,r10, LSL #1 @ r10= x1[2] + x1[3] (-> x1[2]) + SUB r4, r4, r8 @ r4 = s2 = x2[0] - x2[1] + ADD r8, r4, r8, LSL #1 @ r8 = x2[0] + x2[1] (-> x1[1]) + SUB r14,r14,r11 @ r14= s3 = x2[3] - x2[2] + ADD r11,r14,r11,LSL #1 @ r11= x2[3] + x2[2] (-> x1[3]) + STMIA r7,{r3,r8,r10,r11} + + @ r0 = points + @ r1 = x2 + @ r2 = s0 + @ r3 free + @ r4 = s2 + @ r5 = T + @ r6 = step + @ r7 = x1 + @ r8 free + @ r9 = s1 + @ r10 free + @ r11 free + @ r12= limit + @ r14= s3 + + LDRB r8, [r5,#1] @ r8 = T[1] + LDRB r10,[r5],-r6 @ r10= T[0] T -= step + MOV r2, r2, ASR #8 + MOV r9, r9, ASR #8 + MOV r4, r4, ASR #8 + MOV r14,r14,ASR #8 + + @ XNPROD31(s0, s1, T[0], T[1], &x2[0], &x2[2]) + @ x2[0] = (s0*T[0] - s1*T[1])>>31 x2[2] = (s1*T[0] + s0*T[1])>>31 + @ stall Xscale + MUL r11,r2, r8 @ r11 = s0*T[1] + MLA r11,r9, r10,r11 @ r11 += s1*T[0] + RSB r9, r9, #0 + MUL r2, r10,r2 @ r2 = s0*T[0] + MLA r2, r9, r8, r2 @ r2 += -s1*T[1] = Value for x2[0] + MOV r9, r11 @ r9 = r11 = Value for x2[2] + + @ XNPROD31(s3, s2, T[0], T[1], &x2[1], &x2[3]) + @ x2[1] = (s3*T[0] - s2*T[1])>>31 x2[3] = (s2*T[0] + s3*T[1])>>31 + MUL r11,r4, r10 @ r11 = s2*T[0] + MLA r11,r14,r8, r11 @ r11 += s3*T[1] = Value for x2[3] + RSB r4, r4, #0 + MUL r3, r14,r10 @ r3 = s3*T[0] + MLA r3, r4, r8, r3 @ r3 -= s2*T[1] = Value for x2[1] + CMP r5, r12 + + STMIA r1,{r2,r3,r9,r11} + + BGT mdct_bufferfly_generic_loop2 + + LDR r2,[r13],#4 @ unstack r2 + ADD r1, r1, r0, LSL #2 @ r1 = x+POINTS*j + @ stall Xscale + SUBS r2, r2, #1 @ r2-- (j++) + BGT mdct_butterflies_loop2 + + LDMFD r13!,{r4,r14} + + LDR r1,[r13,#4] + + SUBS r4, r4, #1 @ stages-- + MOV r14,r14,LSL #1 @ r14= 4< x[16] + SUB r9, r9, r10 @ r9 = s1 = x[18] - x[19] + ADD r10,r9, r10,LSL #1 @ r10= x[18] + x[19] -> x[18] + SUB r8, r8, r7 @ r8 = s2 = x[ 1] - x[ 0] + ADD r7, r8, r7, LSL #1 @ r7 = x[ 1] + x[ 0] -> x[17] + SUB r12,r12,r11 @ r12= s3 = x[ 3] - x[ 2] + ADD r11,r12,r11, LSL #1 @ r11= x[ 3] + x[ 2] -> x[19] + STMIA r4!,{r6,r7,r10,r11} + + MOV r6,#0xed @ r6 =cPI1_8 + MOV r7,#0x62 @ r7 =cPI3_8 + + MOV r5, r5, ASR #8 + MOV r9, r9, ASR #8 + MOV r8, r8, ASR #8 + MOV r12,r12,ASR #8 + + @ XNPROD31( s0, s1, cPI3_8, cPI1_8, &x[ 0], &x[ 2] ) + @ x[0] = s0*cPI3_8 - s1*cPI1_8 x[2] = s1*cPI3_8 + s0*cPI1_8 + @ stall Xscale + MUL r11,r5, r6 @ r11 = s0*cPI1_8 + MLA r11,r9, r7, r11 @ r11 += s1*cPI3_8 + RSB r9, r9, #0 + MUL r5, r7, r5 @ r5 = s0*cPI3_8 + MLA r5, r9, r6, r5 @ r5 -= s1*cPI1_8 + + @ XPROD31 ( s2, s3, cPI1_8, cPI3_8, &x[ 1], &x[ 3] ) + @ x[1] = s2*cPI1_8 + s3*cPI3_8 x[3] = s3*cPI1_8 - s2*cPI3_8 + MUL r9, r8, r6 @ r9 = s2*cPI1_8 + MLA r9, r12,r7, r9 @ r9 += s3*cPI3_8 + RSB r8,r8,#0 + MUL r12,r6, r12 @ r12 = s3*cPI1_8 + MLA r12,r8, r7, r12 @ r12 -= s2*cPI3_8 + STMIA r1!,{r5,r9,r11,r12} + + @ block2 + LDMIA r4,{r5,r6,r9,r10} @ r5 = x[20] + @ r6 = x[21] + @ r9 = x[22] + @ r10= x[23] + LDMIA r1,{r7,r8,r11,r12} @ r7 = x[4] + @ r8 = x[5] + @ r11= x[6] + @ r12= x[7] + SUB r5, r5, r6 @ r5 = s0 = x[20] - x[21] + ADD r6, r5, r6, LSL #1 @ r6 = x[20] + x[21] -> x[20] + SUB r9, r9, r10 @ r9 = s1 = x[22] - x[23] + ADD r10,r9, r10,LSL #1 @ r10= x[22] + x[23] -> x[22] + SUB r8, r8, r7 @ r8 = s2 = x[ 5] - x[ 4] + ADD r7, r8, r7, LSL #1 @ r7 = x[ 5] + x[ 4] -> x[21] + SUB r12,r12,r11 @ r12= s3 = x[ 7] - x[ 6] + ADD r11,r12,r11, LSL #1 @ r11= x[ 7] + x[ 6] -> x[23] + MOV r14,#0xb5 @ cPI2_8 + STMIA r4!,{r6,r7,r10,r11} + + SUB r5, r5, r9 @ r5 = s0 - s1 + ADD r9, r5, r9, LSL #1 @ r9 = s0 + s1 + MOV r5, r5, ASR #8 + MUL r5, r14,r5 @ r5 = (s0-s1)*cPI2_8 + SUB r12,r12,r8 @ r12= s3 - s2 + ADD r8, r12,r8, LSL #1 @ r8 = s3 + s2 + + MOV r8, r8, ASR #8 + MUL r8, r14,r8 @ r8 = (s3+s2)*cPI2_8 + MOV r9, r9, ASR #8 + MUL r9, r14,r9 @ r9 = (s0+s1)*cPI2_8 + MOV r12,r12,ASR #8 + MUL r12,r14,r12 @ r12 = (s3-s2)*cPI2_8 + STMIA r1!,{r5,r8,r9,r12} + + @ block3 + LDMIA r4,{r5,r6,r9,r10} @ r5 = x[24] + @ r6 = x[25] + @ r9 = x[25] + @ r10= x[26] + LDMIA r1,{r7,r8,r11,r12} @ r7 = x[8] + @ r8 = x[9] + @ r11= x[10] + @ r12= x[11] + SUB r5, r5, r6 @ r5 = s0 = x[24] - x[25] + ADD r6, r5, r6, LSL #1 @ r6 = x[24] + x[25] -> x[25] + SUB r9, r9, r10 @ r9 = s1 = x[26] - x[27] + ADD r10,r9, r10,LSL #1 @ r10= x[26] + x[27] -> x[26] + SUB r8, r8, r7 @ r8 = s2 = x[ 9] - x[ 8] + ADD r7, r8, r7, LSL #1 @ r7 = x[ 9] + x[ 8] -> x[25] + SUB r12,r12,r11 @ r12= s3 = x[11] - x[10] + ADD r11,r12,r11, LSL #1 @ r11= x[11] + x[10] -> x[27] + STMIA r4!,{r6,r7,r10,r11} + + MOV r6,#0x62 @ r6 = cPI3_8 + MOV r7,#0xED @ r7 = cPI1_8 + + @ XNPROD31( s0, s1, cPI1_8, cPI3_8, &x[ 8], &x[10] ) + @ x[8] = s0*cPI1_8 - s1*cPI3_8 x[10] = s1*cPI1_8 + s0*cPI3_8 + @ stall Xscale + MOV r5, r5, ASR #8 + MUL r11,r5, r6 @ r11 = s0*cPI3_8 + MOV r9, r9, ASR #8 + MLA r11,r9, r7, r11 @ r11 += s1*cPI1_8 + RSB r9, r9, #0 + MUL r5, r7, r5 @ r5 = s0*cPI1_8 + MLA r5, r9, r6, r5 @ r5 -= s1*cPI3_8 + + @ XPROD31 ( s2, s3, cPI3_8, cPI1_8, &x[ 9], &x[11] ) + @ x[9] = s2*cPI3_8 + s3*cPI1_8 x[11] = s3*cPI3_8 - s2*cPI1_8 + MOV r8, r8, ASR #8 + MUL r9, r8, r6 @ r9 = s2*cPI3_8 + MOV r12,r12,ASR #8 + MLA r9, r12,r7, r9 @ r9 += s3*cPI1_8 + RSB r8,r8,#0 + MUL r12,r6, r12 @ r12 = s3*cPI3_8 + MLA r12,r8, r7, r12 @ r12 -= s2*cPI1_8 + STMIA r1!,{r5,r9,r11,r12} + + @ block4 + LDMIA r4,{r5,r6,r10,r11} @ r5 = x[28] + @ r6 = x[29] + @ r10= x[30] + @ r11= x[31] + LDMIA r1,{r8,r9,r12,r14} @ r8 = x[12] + @ r9 = x[13] + @ r12= x[14] + @ r14= x[15] + SUB r5, r5, r6 @ r5 = s0 = x[28] - x[29] + ADD r6, r5, r6, LSL #1 @ r6 = x[28] + x[29] -> x[28] + SUB r7, r14,r12 @ r7 = s3 = x[15] - x[14] + ADD r12,r7, r12, LSL #1 @ r12= x[15] + x[14] -> x[31] + SUB r10,r10,r11 @ r10= s1 = x[30] - x[31] + ADD r11,r10,r11,LSL #1 @ r11= x[30] + x[31] -> x[30] + SUB r14, r8, r9 @ r14= s2 = x[12] - x[13] + ADD r9, r14, r9, LSL #1 @ r9 = x[12] + x[13] -> x[29] + STMIA r4!,{r6,r9,r11,r12} + STMIA r1!,{r5,r7,r10,r14} + + @ mdct_butterfly16 (1st version) + @ block 1 + SUB r1,r1,#16*4 + ADD r4,r1,#8*4 + LDMIA r4,{r5,r6,r9,r10} @ r5 = x[ 8] + @ r6 = x[ 9] + @ r9 = x[10] + @ r10= x[11] + LDMIA r1,{r7,r8,r11,r12} @ r7 = x[0] + @ r8 = x[1] + @ r11= x[2] + @ r12= x[3] + SUB r5, r5, r6 @ r5 = s0 = x[ 8] - x[ 9] + ADD r6, r5, r6, LSL #1 @ r6 = x[ 8] + x[ 9] -> x[ 8] + SUB r9, r9, r10 @ r9 = s1 = x[10] - x[11] + ADD r10,r9, r10,LSL #1 @ r10= x[10] + x[11] -> x[10] + SUB r8, r8, r7 @ r8 = s2 = x[ 1] - x[ 0] + ADD r7, r8, r7, LSL #1 @ r7 = x[ 1] + x[ 0] -> x[ 9] + SUB r12,r12,r11 @ r12= s3 = x[ 3] - x[ 2] + ADD r11,r12,r11, LSL #1 @ r11= x[ 3] + x[ 2] -> x[11] + MOV r14,#0xB5 @ r14= cPI2_8 + STMIA r4!,{r6,r7,r10,r11} + + SUB r5, r5, r9 @ r5 = s0 - s1 + ADD r9, r5, r9, LSL #1 @ r9 = s0 + s1 + MOV r5, r5, ASR #8 + MUL r5, r14,r5 @ r5 = (s0-s1)*cPI2_8 + SUB r12,r12,r8 @ r12= s3 - s2 + ADD r8, r12,r8, LSL #1 @ r8 = s3 + s2 + + MOV r8, r8, ASR #8 + MUL r8, r14,r8 @ r8 = (s3+s2)*cPI2_8 + MOV r9, r9, ASR #8 + MUL r9, r14,r9 @ r9 = (s0+s1)*cPI2_8 + MOV r12,r12,ASR #8 + MUL r12,r14,r12 @ r12 = (s3-s2)*cPI2_8 + STMIA r1!,{r5,r8,r9,r12} + + @ block2 + LDMIA r4,{r5,r6,r9,r10} @ r5 = x[12] + @ r6 = x[13] + @ r9 = x[14] + @ r10= x[15] + LDMIA r1,{r7,r8,r11,r12} @ r7 = x[ 4] + @ r8 = x[ 5] + @ r11= x[ 6] + @ r12= x[ 7] + SUB r14,r7, r8 @ r14= s0 = x[ 4] - x[ 5] + ADD r8, r14,r8, LSL #1 @ r8 = x[ 4] + x[ 5] -> x[13] + SUB r7, r12,r11 @ r7 = s1 = x[ 7] - x[ 6] + ADD r11,r7, r11, LSL #1 @ r11= x[ 7] + x[ 6] -> x[15] + SUB r5, r5, r6 @ r5 = s2 = x[12] - x[13] + ADD r6, r5, r6, LSL #1 @ r6 = x[12] + x[13] -> x[12] + SUB r12,r9, r10 @ r12= s3 = x[14] - x[15] + ADD r10,r12,r10,LSL #1 @ r10= x[14] + x[15] -> x[14] + STMIA r4!,{r6,r8,r10,r11} + STMIA r1!,{r5,r7,r12,r14} + + @ mdct_butterfly_8 + LDMDB r1,{r6,r7,r8,r9,r10,r11,r12,r14} + @ r6 = x[0] + @ r7 = x[1] + @ r8 = x[2] + @ r9 = x[3] + @ r10= x[4] + @ r11= x[5] + @ r12= x[6] + @ r14= x[7] + ADD r6, r6, r7 @ r6 = s0 = x[0] + x[1] + SUB r7, r6, r7, LSL #1 @ r7 = s1 = x[0] - x[1] + ADD r8, r8, r9 @ r8 = s2 = x[2] + x[3] + SUB r9, r8, r9, LSL #1 @ r9 = s3 = x[2] - x[3] + ADD r10,r10,r11 @ r10= s4 = x[4] + x[5] + SUB r11,r10,r11,LSL #1 @ r11= s5 = x[4] - x[5] + ADD r12,r12,r14 @ r12= s6 = x[6] + x[7] + SUB r14,r12,r14,LSL #1 @ r14= s7 = x[6] - x[7] + + ADD r2, r11,r9 @ r2 = x[0] = s5 + s3 + SUB r4, r2, r9, LSL #1 @ r4 = x[2] = s5 - s3 + SUB r3, r14,r7 @ r3 = x[1] = s7 - s1 + ADD r5, r3, r7, LSL #1 @ r5 = x[3] = s7 + s1 + SUB r10,r10,r6 @ r10= x[4] = s4 - s0 + SUB r11,r12,r8 @ r11= x[5] = s6 - s2 + ADD r12,r10,r6, LSL #1 @ r12= x[6] = s4 + s0 + ADD r14,r11,r8, LSL #1 @ r14= x[7] = s6 + s2 + STMDB r1,{r2,r3,r4,r5,r10,r11,r12,r14} + + @ mdct_butterfly_8 + LDMIA r1,{r6,r7,r8,r9,r10,r11,r12,r14} + @ r6 = x[0] + @ r7 = x[1] + @ r8 = x[2] + @ r9 = x[3] + @ r10= x[4] + @ r11= x[5] + @ r12= x[6] + @ r14= x[7] + ADD r6, r6, r7 @ r6 = s0 = x[0] + x[1] + SUB r7, r6, r7, LSL #1 @ r7 = s1 = x[0] - x[1] + ADD r8, r8, r9 @ r8 = s2 = x[2] + x[3] + SUB r9, r8, r9, LSL #1 @ r9 = s3 = x[2] - x[3] + ADD r10,r10,r11 @ r10= s4 = x[4] + x[5] + SUB r11,r10,r11,LSL #1 @ r11= s5 = x[4] - x[5] + ADD r12,r12,r14 @ r12= s6 = x[6] + x[7] + SUB r14,r12,r14,LSL #1 @ r14= s7 = x[6] - x[7] + + ADD r2, r11,r9 @ r2 = x[0] = s5 + s3 + SUB r4, r2, r9, LSL #1 @ r4 = x[2] = s5 - s3 + SUB r3, r14,r7 @ r3 = x[1] = s7 - s1 + ADD r5, r3, r7, LSL #1 @ r5 = x[3] = s7 + s1 + SUB r10,r10,r6 @ r10= x[4] = s4 - s0 + SUB r11,r12,r8 @ r11= x[5] = s6 - s2 + ADD r12,r10,r6, LSL #1 @ r12= x[6] = s4 + s0 + ADD r14,r11,r8, LSL #1 @ r14= x[7] = s6 + s2 + STMIA r1,{r2,r3,r4,r5,r10,r11,r12,r14} + + @ mdct_butterfly16 (2nd version) + @ block 1 + ADD r1,r1,#16*4-8*4 + ADD r4,r1,#8*4 + LDMIA r4,{r5,r6,r9,r10} @ r5 = x[ 8] + @ r6 = x[ 9] + @ r9 = x[10] + @ r10= x[11] + LDMIA r1,{r7,r8,r11,r12} @ r7 = x[0] + @ r8 = x[1] + @ r11= x[2] + @ r12= x[3] + SUB r5, r5, r6 @ r5 = s0 = x[ 8] - x[ 9] + ADD r6, r5, r6, LSL #1 @ r6 = x[ 8] + x[ 9] -> x[ 8] + SUB r9, r9, r10 @ r9 = s1 = x[10] - x[11] + ADD r10,r9, r10,LSL #1 @ r10= x[10] + x[11] -> x[10] + SUB r8, r8, r7 @ r8 = s2 = x[ 1] - x[ 0] + ADD r7, r8, r7, LSL #1 @ r7 = x[ 1] + x[ 0] -> x[ 9] + SUB r12,r12,r11 @ r12= s3 = x[ 3] - x[ 2] + ADD r11,r12,r11, LSL #1 @ r11= x[ 3] + x[ 2] -> x[11] + MOV r14,#0xb5 @ r14= cPI2_8 + STMIA r4!,{r6,r7,r10,r11} + + SUB r5, r5, r9 @ r5 = s0 - s1 + ADD r9, r5, r9, LSL #1 @ r9 = s0 + s1 + MOV r5, r5, ASR #8 + MUL r5, r14,r5 @ r5 = (s0-s1)*cPI2_8 + SUB r12,r12,r8 @ r12= s3 - s2 + ADD r8, r12,r8, LSL #1 @ r8 = s3 + s2 + + MOV r8, r8, ASR #8 + MUL r8, r14,r8 @ r8 = (s3+s2)*cPI2_8 + MOV r9, r9, ASR #8 + MUL r9, r14,r9 @ r9 = (s0+s1)*cPI2_8 + MOV r12,r12,ASR #8 + MUL r12,r14,r12 @ r12 = (s3-s2)*cPI2_8 + STMIA r1!,{r5,r8,r9,r12} + + @ block2 + LDMIA r4,{r5,r6,r9,r10} @ r5 = x[12] + @ r6 = x[13] + @ r9 = x[14] + @ r10= x[15] + LDMIA r1,{r7,r8,r11,r12} @ r7 = x[ 4] + @ r8 = x[ 5] + @ r11= x[ 6] + @ r12= x[ 7] + SUB r5, r5, r6 @ r5 = s2 = x[12] - x[13] + ADD r6, r5, r6, LSL #1 @ r6 = x[12] + x[13] -> x[12] + SUB r9, r9, r10 @ r9 = s3 = x[14] - x[15] + ADD r10,r9, r10,LSL #1 @ r10= x[14] + x[15] -> x[14] + SUB r14,r7, r8 @ r14= s0 = x[ 4] - x[ 5] + ADD r8, r14,r8, LSL #1 @ r8 = x[ 4] + x[ 5] -> x[13] + SUB r7, r12,r11 @ r7 = s1 = x[ 7] - x[ 6] + ADD r11,r7, r11, LSL #1 @ r11= x[ 7] + x[ 6] -> x[15] + STMIA r4!,{r6,r8,r10,r11} + STMIA r1!,{r5,r7,r9,r14} + + @ mdct_butterfly_8 + LDMDB r1,{r6,r7,r8,r9,r10,r11,r12,r14} + @ r6 = x[0] + @ r7 = x[1] + @ r8 = x[2] + @ r9 = x[3] + @ r10= x[4] + @ r11= x[5] + @ r12= x[6] + @ r14= x[7] + ADD r6, r6, r7 @ r6 = s0 = x[0] + x[1] + SUB r7, r6, r7, LSL #1 @ r7 = s1 = x[0] - x[1] + ADD r8, r8, r9 @ r8 = s2 = x[2] + x[3] + SUB r9, r8, r9, LSL #1 @ r9 = s3 = x[2] - x[3] + ADD r10,r10,r11 @ r10= s4 = x[4] + x[5] + SUB r11,r10,r11,LSL #1 @ r11= s5 = x[4] - x[5] + ADD r12,r12,r14 @ r12= s6 = x[6] + x[7] + SUB r14,r12,r14,LSL #1 @ r14= s7 = x[6] - x[7] + + ADD r2, r11,r9 @ r2 = x[0] = s5 + s3 + SUB r4, r2, r9, LSL #1 @ r4 = x[2] = s5 - s3 + SUB r3, r14,r7 @ r3 = x[1] = s7 - s1 + ADD r5, r3, r7, LSL #1 @ r5 = x[3] = s7 + s1 + SUB r10,r10,r6 @ r10= x[4] = s4 - s0 + SUB r11,r12,r8 @ r11= x[5] = s6 - s2 + ADD r12,r10,r6, LSL #1 @ r12= x[6] = s4 + s0 + ADD r14,r11,r8, LSL #1 @ r14= x[7] = s6 + s2 + STMDB r1,{r2,r3,r4,r5,r10,r11,r12,r14} + + @ mdct_butterfly_8 + LDMIA r1,{r6,r7,r8,r9,r10,r11,r12,r14} + @ r6 = x[0] + @ r7 = x[1] + @ r8 = x[2] + @ r9 = x[3] + @ r10= x[4] + @ r11= x[5] + @ r12= x[6] + @ r14= x[7] + ADD r6, r6, r7 @ r6 = s0 = x[0] + x[1] + SUB r7, r6, r7, LSL #1 @ r7 = s1 = x[0] - x[1] + ADD r8, r8, r9 @ r8 = s2 = x[2] + x[3] + SUB r9, r8, r9, LSL #1 @ r9 = s3 = x[2] - x[3] + ADD r10,r10,r11 @ r10= s4 = x[4] + x[5] + SUB r11,r10,r11,LSL #1 @ r11= s5 = x[4] - x[5] + ADD r12,r12,r14 @ r12= s6 = x[6] + x[7] + SUB r14,r12,r14,LSL #1 @ r14= s7 = x[6] - x[7] + + ADD r2, r11,r9 @ r2 = x[0] = s5 + s3 + SUB r4, r2, r9, LSL #1 @ r4 = x[2] = s5 - s3 + SUB r3, r14,r7 @ r3 = x[1] = s7 - s1 + ADD r5, r3, r7, LSL #1 @ r5 = x[3] = s7 + s1 + SUB r10,r10,r6 @ r10= x[4] = s4 - s0 + SUB r11,r12,r8 @ r11= x[5] = s6 - s2 + ADD r12,r10,r6, LSL #1 @ r12= x[6] = s4 + s0 + ADD r14,r11,r8, LSL #1 @ r14= x[7] = s6 + s2 + STMIA r1,{r2,r3,r4,r5,r10,r11,r12,r14} + + ADD r1,r1,#8*4 + SUBS r0,r0,#64 + BGT mdct_bufferflies_loop3 + + LDMFD r13,{r0-r3} + +mdct_bitreverseARM: + @ r0 = points + @ r1 = in + @ r2 = step + @ r3 = shift + + MOV r4, #0 @ r4 = bit = 0 + ADD r5, r1, r0, LSL #1 @ r5 = w = x + (n>>1) + ADR r6, bitrev + SUB r3, r3, #2 @ r3 = shift -= 2 + SUB r5, r5, #8 +brev_lp: + LDRB r7, [r6, r4, LSR #6] + AND r8, r4, #0x3f + LDRB r8, [r6, r8] + ADD r4, r4, #1 @ bit++ + @ stall XScale + ORR r7, r7, r8, LSL #6 @ r7 = bitrev[bit] + ADD r9, r1, r7, LSR r3 @ r9 = xx = x + (b>>shift) + CMP r5, r9 @ if (w > xx) + LDR r10,[r5],#-8 @ r10 = w[0] w -= 2 + LDRGT r11,[r5,#12] @ r11 = w[1] + LDRGT r12,[r9] @ r12 = xx[0] + LDRGT r14,[r9,#4] @ r14 = xx[1] + STRGT r10,[r9] @ xx[0]= w[0] + STRGT r11,[r9,#4] @ xx[1]= w[1] + STRGT r12,[r5,#8] @ w[0] = xx[0] + STRGT r14,[r5,#12] @ w[1] = xx[1] + CMP r5,r1 + BGT brev_lp + + @ mdct_step7 + @ r0 = points + @ r1 = in + @ r2 = step + @ r3 = shift-2 + + CMP r2, #4 @ r5 = T = (step>=4) ? + LDRGE r5, =sincos_lookup0 @ sincos_lookup0 + + LDRLT r5, =sincos_lookup1 @ sincos_lookup0 + + ADD r7, r1, r0, LSL #1 @ r7 = w1 = x + (n>>1) + ADDGE r5, r5, r2, LSR #1 @ (step>>1) + ADD r8, r5, #1024 @ r8 = Ttop +step7_loop1: + LDR r6, [r1] @ r6 = w0[0] + LDR r9, [r1,#4] @ r9 = w0[1] + LDR r10,[r7,#-8]! @ r10= w1[0] w1 -= 2 + LDR r11,[r7,#4] @ r11= w1[1] + LDRB r14,[r5,#1] @ r14= T[1] + LDRB r12,[r5],r2 @ r12= T[0] T += step + + ADD r6, r6, r10 @ r6 = s0 = w0[0] + w1[0] + SUB r10,r6, r10,LSL #1 @ r10= s1b= w0[0] - w1[0] + SUB r11,r11,r9 @ r11= s1 = w1[1] - w0[1] + ADD r9, r11,r9, LSL #1 @ r9 = s0b= w1[1] + w0[1] + + MOV r6, r6, ASR #9 + MUL r3, r6, r14 @ r3 = s0*T[1] + MOV r11,r11,ASR #9 + MUL r4, r11,r12 @ r4 += s1*T[0] = s2 + ADD r3, r3, r4 + MUL r14,r11,r14 @ r14 = s1*T[1] + MUL r12,r6, r12 @ r12 += s0*T[0] = s3 + SUB r14,r14,r12 + + @ r9 = s0b<<1 + @ r10= s1b<<1 + ADD r9, r3, r9, ASR #1 @ r9 = s0b + s2 + SUB r3, r9, r3, LSL #1 @ r3 = s0b - s2 + + SUB r12,r14,r10,ASR #1 @ r12= s3 - s1b + ADD r10,r14,r10,ASR #1 @ r10= s3 + s1b + STR r9, [r1],#4 + STR r10,[r1],#4 @ w0 += 2 + STR r3, [r7] + STR r12,[r7,#4] + + CMP r5,r8 + BLT step7_loop1 + +step7_loop2: + LDR r6, [r1] @ r6 = w0[0] + LDR r9, [r1,#4] @ r9 = w0[1] + LDR r10,[r7,#-8]! @ r10= w1[0] w1 -= 2 + LDR r11,[r7,#4] @ r11= w1[1] + LDRB r14,[r5,-r2]! @ r12= T[1] T -= step + LDRB r12,[r5,#1] @ r14= T[0] + + ADD r6, r6, r10 @ r6 = s0 = w0[0] + w1[0] + SUB r10,r6, r10,LSL #1 @ r10= s1b= w0[0] - w1[0] + SUB r11,r11,r9 @ r11= s1 = w1[1] - w0[1] + ADD r9, r11,r9, LSL #1 @ r9 = s0b= w1[1] + w0[1] + + MOV r6, r6, ASR #9 + MUL r3, r6, r14 @ r3 = s0*T[0] + MOV r11,r11,ASR #9 + MUL r4, r11,r12 @ r4 += s1*T[1] = s2 + ADD r3, r3, r4 + MUL r14,r11,r14 @ r14 = s1*T[0] + MUL r12,r6, r12 @ r12 += s0*T[1] = s3 + SUB r14,r14,r12 + + @ r9 = s0b<<1 + @ r10= s1b<<1 + ADD r9, r3, r9, ASR #1 @ r9 = s0b + s2 + SUB r3, r9, r3, LSL #1 @ r3 = s0b - s2 + + SUB r12,r14,r10,ASR #1 @ r12= s3 - s1b + ADD r10,r14,r10,ASR #1 @ r10= s3 + s1b + STR r9, [r1],#4 + STR r10,[r1],#4 @ w0 += 2 + STR r3, [r7] + STR r12,[r7,#4] + + CMP r1,r7 + BLT step7_loop2 + + LDMFD r13!,{r0-r3} + + @ r0 = points + @ r1 = in + @ r2 = step + @ r3 = shift + MOV r2, r2, ASR #2 @ r2 = step >>= 2 + CMP r2, #0 + CMPNE r2, #1 + BEQ mdct_end + + @ step > 1 (default case) + CMP r2, #4 @ r5 = T = (step>=4) ? + LDRGE r5, =sincos_lookup0 @ sincos_lookup0 + + LDRLT r5, =sincos_lookup1 @ sincos_lookup1 + ADD r7, r1, r0, LSL #1 @ r7 = iX = x + (n>>1) + ADDGE r5, r5, r2, LSR #1 @ (step>>1) +mdct_step8_default: + LDR r6, [r1],#4 @ r6 = s0 = x[0] + LDR r8, [r1],#4 @ r8 = -s1 = x[1] + LDRB r12,[r5,#1] @ r12= T[1] + LDRB r14,[r5],r2 @ r14= T[0] T += step + RSB r8, r8, #0 @ r8 = s1 + + @ XPROD31(s0, s1, T[0], T[1], x, x+1) + @ x[0] = s0 * T[0] + s1 * T[1] x[1] = s1 * T[0] - s0 * T[1] + MOV r6, r6, ASR #8 + MOV r8, r8, ASR #8 + MUL r10,r8, r12 @ r10 = s1 * T[1] + CMP r1, r7 + MLA r10,r6, r14,r10 @ r10 += s0 * T[0] + RSB r6, r6, #0 @ r6 = -s0 + MUL r11,r8, r14 @ r11 = s1 * T[0] + MLA r11,r6, r12,r11 @ r11 -= s0 * T[1] + STR r10,[r1,#-8] + STR r11,[r1,#-4] + BLT mdct_step8_default + +mdct_end: + MOV r0, r2 + LDMFD r13!,{r4-r11,PC} + +bitrev: + .byte 0 + .byte 32 + .byte 16 + .byte 48 + .byte 8 + .byte 40 + .byte 24 + .byte 56 + .byte 4 + .byte 36 + .byte 20 + .byte 52 + .byte 12 + .byte 44 + .byte 28 + .byte 60 + .byte 2 + .byte 34 + .byte 18 + .byte 50 + .byte 10 + .byte 42 + .byte 26 + .byte 58 + .byte 6 + .byte 38 + .byte 22 + .byte 54 + .byte 14 + .byte 46 + .byte 30 + .byte 62 + .byte 1 + .byte 33 + .byte 17 + .byte 49 + .byte 9 + .byte 41 + .byte 25 + .byte 57 + .byte 5 + .byte 37 + .byte 21 + .byte 53 + .byte 13 + .byte 45 + .byte 29 + .byte 61 + .byte 3 + .byte 35 + .byte 19 + .byte 51 + .byte 11 + .byte 43 + .byte 27 + .byte 59 + .byte 7 + .byte 39 + .byte 23 + .byte 55 + .byte 15 + .byte 47 + .byte 31 + .byte 63 + + @ END diff --git a/sources/tremolo/Tremolo/mdct_lookup.h b/sources/tremolo/Tremolo/mdct_lookup.h new file mode 100644 index 00000000..a25ea3e3 --- /dev/null +++ b/sources/tremolo/Tremolo/mdct_lookup.h @@ -0,0 +1,559 @@ +/************************************************************************ + * Copyright (C) 2002-2009, Xiph.org Foundation + * Copyright (C) 2010, Robin Watts for Pinknoise Productions Ltd + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above + * copyright notice, this list of conditions and the following disclaimer + * in the documentation and/or other materials provided with the + * distribution. + * * Neither the names of the Xiph.org Foundation nor Pinknoise + * Productions Ltd nor the names of its contributors may be used to + * endorse or promote products derived from this software without + * specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + ************************************************************************ + + function: sin,cos lookup tables + + ************************************************************************/ + +#include "os_types.h" + +/* {sin(2*i*PI/4096), cos(2*i*PI/4096)}, with i = 0 to 512 */ +LOOKUP_T sincos_lookup0[1026] = { + X(0x00000000), X(0x7fffffff), X(0x003243f5), X(0x7ffff621), + X(0x006487e3), X(0x7fffd886), X(0x0096cbc1), X(0x7fffa72c), + X(0x00c90f88), X(0x7fff6216), X(0x00fb5330), X(0x7fff0943), + X(0x012d96b1), X(0x7ffe9cb2), X(0x015fda03), X(0x7ffe1c65), + X(0x01921d20), X(0x7ffd885a), X(0x01c45ffe), X(0x7ffce093), + X(0x01f6a297), X(0x7ffc250f), X(0x0228e4e2), X(0x7ffb55ce), + X(0x025b26d7), X(0x7ffa72d1), X(0x028d6870), X(0x7ff97c18), + X(0x02bfa9a4), X(0x7ff871a2), X(0x02f1ea6c), X(0x7ff75370), + X(0x03242abf), X(0x7ff62182), X(0x03566a96), X(0x7ff4dbd9), + X(0x0388a9ea), X(0x7ff38274), X(0x03bae8b2), X(0x7ff21553), + X(0x03ed26e6), X(0x7ff09478), X(0x041f6480), X(0x7feeffe1), + X(0x0451a177), X(0x7fed5791), X(0x0483ddc3), X(0x7feb9b85), + X(0x04b6195d), X(0x7fe9cbc0), X(0x04e8543e), X(0x7fe7e841), + X(0x051a8e5c), X(0x7fe5f108), X(0x054cc7b1), X(0x7fe3e616), + X(0x057f0035), X(0x7fe1c76b), X(0x05b137df), X(0x7fdf9508), + X(0x05e36ea9), X(0x7fdd4eec), X(0x0615a48b), X(0x7fdaf519), + X(0x0647d97c), X(0x7fd8878e), X(0x067a0d76), X(0x7fd6064c), + X(0x06ac406f), X(0x7fd37153), X(0x06de7262), X(0x7fd0c8a3), + X(0x0710a345), 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X(0x66573cbb), X(0x4d092ab0), X(0x66390422), + X(0x4d31494b), X(0x661abbc5), X(0x4d595bfe), X(0x65fc63a9), + X(0x4d8162c4), X(0x65ddfbd3), X(0x4da95d96), X(0x65bf8447), + X(0x4dd14c6e), X(0x65a0fd0b), X(0x4df92f46), X(0x65826622), + X(0x4e210617), X(0x6563bf92), X(0x4e48d0dd), X(0x6545095f), + X(0x4e708f8f), X(0x6526438f), X(0x4e984229), X(0x65076e25), + X(0x4ebfe8a5), X(0x64e88926), X(0x4ee782fb), X(0x64c99498), + X(0x4f0f1126), X(0x64aa907f), X(0x4f369320), X(0x648b7ce0), + X(0x4f5e08e3), X(0x646c59bf), X(0x4f857269), X(0x644d2722), + X(0x4faccfab), X(0x642de50d), X(0x4fd420a4), X(0x640e9386), + X(0x4ffb654d), X(0x63ef3290), X(0x50229da1), X(0x63cfc231), + X(0x5049c999), X(0x63b0426d), X(0x5070e92f), X(0x6390b34a), + X(0x5097fc5e), X(0x637114cc), X(0x50bf031f), X(0x635166f9), + X(0x50e5fd6d), X(0x6331a9d4), X(0x510ceb40), X(0x6311dd64), + X(0x5133cc94), X(0x62f201ac), X(0x515aa162), X(0x62d216b3), + X(0x518169a5), X(0x62b21c7b), X(0x51a82555), X(0x6292130c), + X(0x51ced46e), X(0x6271fa69), X(0x51f576ea), X(0x6251d298), + X(0x521c0cc2), X(0x62319b9d), X(0x524295f0), X(0x6211557e), + X(0x5269126e), X(0x61f1003f), X(0x528f8238), X(0x61d09be5), + X(0x52b5e546), X(0x61b02876), X(0x52dc3b92), X(0x618fa5f7), + X(0x53028518), X(0x616f146c), X(0x5328c1d0), X(0x614e73da), + X(0x534ef1b5), X(0x612dc447), X(0x537514c2), X(0x610d05b7), + X(0x539b2af0), X(0x60ec3830), X(0x53c13439), X(0x60cb5bb7), + X(0x53e73097), X(0x60aa7050), X(0x540d2005), X(0x60897601), + X(0x5433027d), X(0x60686ccf), X(0x5458d7f9), X(0x604754bf), + X(0x547ea073), X(0x60262dd6), X(0x54a45be6), X(0x6004f819), + X(0x54ca0a4b), X(0x5fe3b38d), X(0x54efab9c), X(0x5fc26038), + X(0x55153fd4), X(0x5fa0fe1f), X(0x553ac6ee), X(0x5f7f8d46), + X(0x556040e2), X(0x5f5e0db3), X(0x5585adad), X(0x5f3c7f6b), + X(0x55ab0d46), X(0x5f1ae274), X(0x55d05faa), X(0x5ef936d1), + X(0x55f5a4d2), X(0x5ed77c8a), X(0x561adcb9), X(0x5eb5b3a2), + X(0x56400758), X(0x5e93dc1f), X(0x566524aa), X(0x5e71f606), + X(0x568a34a9), X(0x5e50015d), X(0x56af3750), X(0x5e2dfe29), + X(0x56d42c99), X(0x5e0bec6e), X(0x56f9147e), X(0x5de9cc33), + X(0x571deefa), X(0x5dc79d7c), X(0x5742bc06), X(0x5da5604f), + X(0x57677b9d), X(0x5d8314b1), X(0x578c2dba), X(0x5d60baa7), + X(0x57b0d256), X(0x5d3e5237), X(0x57d5696d), X(0x5d1bdb65), + X(0x57f9f2f8), X(0x5cf95638), X(0x581e6ef1), X(0x5cd6c2b5), + X(0x5842dd54), X(0x5cb420e0), X(0x58673e1b), X(0x5c9170bf), + X(0x588b9140), X(0x5c6eb258), X(0x58afd6bd), X(0x5c4be5b0), + X(0x58d40e8c), X(0x5c290acc), X(0x58f838a9), X(0x5c0621b2), + X(0x591c550e), X(0x5be32a67), X(0x594063b5), X(0x5bc024f0), + X(0x59646498), X(0x5b9d1154), X(0x598857b2), X(0x5b79ef96), + X(0x59ac3cfd), X(0x5b56bfbd), X(0x59d01475), X(0x5b3381ce), + X(0x59f3de12), X(0x5b1035cf), X(0x5a1799d1), X(0x5aecdbc5), + X(0x5a3b47ab), X(0x5ac973b5), X(0x5a5ee79a), X(0x5aa5fda5), + X(0x5a82799a), X(0x5a82799a) + }; + + /* {sin((2*i+1)*PI/4096), cos((2*i+1)*PI/4096)}, with i = 0 to 511 */ +LOOKUP_T sincos_lookup1[1024] = { + X(0x001921fb), X(0x7ffffd88), X(0x004b65ee), X(0x7fffe9cb), + X(0x007da9d4), X(0x7fffc251), X(0x00afeda8), X(0x7fff8719), + X(0x00e23160), X(0x7fff3824), X(0x011474f6), X(0x7ffed572), + X(0x0146b860), X(0x7ffe5f03), X(0x0178fb99), X(0x7ffdd4d7), + X(0x01ab3e97), X(0x7ffd36ee), X(0x01dd8154), X(0x7ffc8549), + X(0x020fc3c6), X(0x7ffbbfe6), X(0x024205e8), X(0x7ffae6c7), + X(0x027447b0), X(0x7ff9f9ec), X(0x02a68917), X(0x7ff8f954), + X(0x02d8ca16), X(0x7ff7e500), X(0x030b0aa4), X(0x7ff6bcf0), + X(0x033d4abb), X(0x7ff58125), X(0x036f8a51), X(0x7ff4319d), + X(0x03a1c960), X(0x7ff2ce5b), X(0x03d407df), X(0x7ff1575d), + X(0x040645c7), X(0x7fefcca4), X(0x04388310), X(0x7fee2e30), + X(0x046abfb3), X(0x7fec7c02), X(0x049cfba7), X(0x7feab61a), + X(0x04cf36e5), X(0x7fe8dc78), X(0x05017165), X(0x7fe6ef1c), + X(0x0533ab20), X(0x7fe4ee06), X(0x0565e40d), X(0x7fe2d938), + X(0x05981c26), X(0x7fe0b0b1), X(0x05ca5361), X(0x7fde7471), + X(0x05fc89b8), X(0x7fdc247a), X(0x062ebf22), X(0x7fd9c0ca), + X(0x0660f398), X(0x7fd74964), X(0x06932713), X(0x7fd4be46), + X(0x06c5598a), X(0x7fd21f72), X(0x06f78af6), X(0x7fcf6ce8), + X(0x0729bb4e), X(0x7fcca6a7), X(0x075bea8c), X(0x7fc9ccb2), + X(0x078e18a7), X(0x7fc6df08), X(0x07c04598), X(0x7fc3dda9), + X(0x07f27157), X(0x7fc0c896), X(0x08249bdd), X(0x7fbd9fd0), + X(0x0856c520), X(0x7fba6357), X(0x0888ed1b), X(0x7fb7132b), + X(0x08bb13c5), X(0x7fb3af4e), X(0x08ed3916), X(0x7fb037bf), + X(0x091f5d06), X(0x7facac7f), X(0x09517f8f), X(0x7fa90d8e), + X(0x0983a0a7), X(0x7fa55aee), X(0x09b5c048), X(0x7fa1949e), + X(0x09e7de6a), X(0x7f9dbaa0), X(0x0a19fb04), X(0x7f99ccf4), + X(0x0a4c1610), X(0x7f95cb9a), X(0x0a7e2f85), X(0x7f91b694), + X(0x0ab0475c), X(0x7f8d8de1), X(0x0ae25d8d), X(0x7f895182), + X(0x0b147211), X(0x7f850179), X(0x0b4684df), X(0x7f809dc5), + X(0x0b7895f0), X(0x7f7c2668), X(0x0baaa53b), X(0x7f779b62), + X(0x0bdcb2bb), X(0x7f72fcb4), X(0x0c0ebe66), X(0x7f6e4a5e), + X(0x0c40c835), X(0x7f698461), X(0x0c72d020), X(0x7f64aabf), + X(0x0ca4d620), X(0x7f5fbd77), X(0x0cd6da2d), X(0x7f5abc8a), + X(0x0d08dc3f), X(0x7f55a7fa), X(0x0d3adc4e), X(0x7f507fc7), + X(0x0d6cda53), X(0x7f4b43f2), X(0x0d9ed646), X(0x7f45f47b), + X(0x0dd0d01f), X(0x7f409164), X(0x0e02c7d7), X(0x7f3b1aad), + X(0x0e34bd66), X(0x7f359057), X(0x0e66b0c3), X(0x7f2ff263), + X(0x0e98a1e9), X(0x7f2a40d2), X(0x0eca90ce), X(0x7f247ba5), + X(0x0efc7d6b), X(0x7f1ea2dc), X(0x0f2e67b8), X(0x7f18b679), + X(0x0f604faf), X(0x7f12b67c), X(0x0f923546), X(0x7f0ca2e7), + X(0x0fc41876), X(0x7f067bba), X(0x0ff5f938), X(0x7f0040f6), + X(0x1027d784), X(0x7ef9f29d), X(0x1059b352), X(0x7ef390ae), + X(0x108b8c9b), X(0x7eed1b2c), X(0x10bd6356), X(0x7ee69217), + X(0x10ef377d), X(0x7edff570), X(0x11210907), X(0x7ed94538), + X(0x1152d7ed), X(0x7ed28171), X(0x1184a427), X(0x7ecbaa1a), + X(0x11b66dad), X(0x7ec4bf36), X(0x11e83478), X(0x7ebdc0c6), + X(0x1219f880), X(0x7eb6aeca), X(0x124bb9be), X(0x7eaf8943), + X(0x127d7829), X(0x7ea85033), X(0x12af33ba), X(0x7ea1039b), + X(0x12e0ec6a), X(0x7e99a37c), X(0x1312a230), X(0x7e922fd6), + X(0x13445505), X(0x7e8aa8ac), X(0x137604e2), X(0x7e830dff), + X(0x13a7b1bf), X(0x7e7b5fce), X(0x13d95b93), X(0x7e739e1d), + X(0x140b0258), X(0x7e6bc8eb), X(0x143ca605), X(0x7e63e03b), + X(0x146e4694), X(0x7e5be40c), X(0x149fe3fc), X(0x7e53d462), + X(0x14d17e36), X(0x7e4bb13c), X(0x1503153a), X(0x7e437a9c), + X(0x1534a901), X(0x7e3b3083), X(0x15663982), X(0x7e32d2f4), + X(0x1597c6b7), X(0x7e2a61ed), X(0x15c95097), X(0x7e21dd73), + X(0x15fad71b), X(0x7e194584), X(0x162c5a3b), X(0x7e109a24), + X(0x165dd9f0), X(0x7e07db52), X(0x168f5632), X(0x7dff0911), + X(0x16c0cef9), X(0x7df62362), X(0x16f2443e), X(0x7ded2a47), + X(0x1723b5f9), X(0x7de41dc0), X(0x17552422), X(0x7ddafdce), + X(0x17868eb3), X(0x7dd1ca75), X(0x17b7f5a3), X(0x7dc883b4), + X(0x17e958ea), X(0x7dbf298d), X(0x181ab881), X(0x7db5bc02), + X(0x184c1461), X(0x7dac3b15), X(0x187d6c82), X(0x7da2a6c6), + X(0x18aec0db), X(0x7d98ff17), X(0x18e01167), X(0x7d8f4409), + X(0x19115e1c), X(0x7d85759f), X(0x1942a6f3), X(0x7d7b93da), + X(0x1973ebe6), X(0x7d719eba), X(0x19a52ceb), X(0x7d679642), + X(0x19d669fc), X(0x7d5d7a74), X(0x1a07a311), X(0x7d534b50), + X(0x1a38d823), X(0x7d4908d9), X(0x1a6a0929), X(0x7d3eb30f), + X(0x1a9b361d), X(0x7d3449f5), X(0x1acc5ef6), X(0x7d29cd8c), + X(0x1afd83ad), X(0x7d1f3dd6), X(0x1b2ea43a), X(0x7d149ad5), + X(0x1b5fc097), X(0x7d09e489), X(0x1b90d8bb), X(0x7cff1af5), + X(0x1bc1ec9e), X(0x7cf43e1a), X(0x1bf2fc3a), X(0x7ce94dfb), + X(0x1c240786), X(0x7cde4a98), X(0x1c550e7c), X(0x7cd333f3), + X(0x1c861113), X(0x7cc80a0f), X(0x1cb70f43), X(0x7cbcccec), + X(0x1ce80906), X(0x7cb17c8d), X(0x1d18fe54), X(0x7ca618f3), + X(0x1d49ef26), X(0x7c9aa221), X(0x1d7adb73), X(0x7c8f1817), + X(0x1dabc334), X(0x7c837ad8), X(0x1ddca662), X(0x7c77ca65), + X(0x1e0d84f5), X(0x7c6c06c0), X(0x1e3e5ee5), X(0x7c602fec), + X(0x1e6f342c), X(0x7c5445e9), X(0x1ea004c1), X(0x7c4848ba), + X(0x1ed0d09d), X(0x7c3c3860), X(0x1f0197b8), X(0x7c3014de), + 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--git a/sources/tremolo/Tremolo/misc.c b/sources/tremolo/Tremolo/misc.c new file mode 100644 index 00000000..164250bc --- /dev/null +++ b/sources/tremolo/Tremolo/misc.c @@ -0,0 +1,229 @@ +/************************************************************************ + * Copyright (C) 2002-2009, Xiph.org Foundation + * Copyright (C) 2010, Robin Watts for Pinknoise Productions Ltd + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above + * copyright notice, this list of conditions and the following disclaimer + * in the documentation and/or other materials provided with the + * distribution. + * * Neither the names of the Xiph.org Foundation nor Pinknoise + * Productions Ltd nor the names of its contributors may be used to + * endorse or promote products derived from this software without + * specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + ************************************************************************/ + +#define HEAD_ALIGN 64 +#include +#include +#include +#define MISC_C +#include "misc.h" +//#include + +static void **pointers=NULL; +static long *insertlist=NULL; /* We can't embed this in the pointer list; + a pointer can have any value... */ + +static char **files=NULL; +static long *file_bytes=NULL; +static int filecount=0; + +static int ptop=0; +static int palloced=0; +static int pinsert=0; + +typedef struct { + char *file; + long line; + long ptr; + long bytes; +} head; + +long global_bytes=0; +long start_time=-1; + +static void *_insert(void *ptr,long bytes,char *file,long line){ + ((head *)ptr)->file=file; + ((head *)ptr)->line=line; + ((head *)ptr)->ptr=pinsert; + ((head *)ptr)->bytes=bytes-HEAD_ALIGN; + + if(pinsert>=palloced){ + palloced+=64; + if(pointers){ + pointers=(void **)realloc(pointers,sizeof(void **)*palloced); + insertlist=(long *)realloc(insertlist,sizeof(long *)*palloced); + }else{ + pointers=(void **)malloc(sizeof(void **)*palloced); + insertlist=(long *)malloc(sizeof(long *)*palloced); + } + } + + pointers[pinsert]=ptr; + + if(pinsert==ptop) + pinsert=++ptop; + else + pinsert=insertlist[pinsert]; + +#ifdef _VDBG_GRAPHFILE + { + FILE *out; + struct timeval tv; + static struct timezone tz; + int i; + char buffer[80]; + gettimeofday(&tv,&tz); + + for(i=0;ifile; + long bytes =((head *)ptr)->bytes; + int i; + + gettimeofday(&tv,&tz); + fprintf(out,"%ld, %ld\n",-start_time+(tv.tv_sec*1000)+(tv.tv_usec/1000), + global_bytes); + fprintf(out,"%ld, %ld\n",-start_time+(tv.tv_sec*1000)+(tv.tv_usec/1000), + global_bytes-((head *)ptr)->bytes); + fclose(out); + + for(i=0;ibytes; + + insert=((head *)ptr)->ptr; + insertlist[insert]=pinsert; + pinsert=insert; + + if(pointers[insert]==NULL){ + fprintf(stderr,"DEBUGGING MALLOC ERROR: freeing previously freed memory\n"); + fprintf(stderr,"\t%s %ld\n",((head *)ptr)->file,((head *)ptr)->line); + } + + if(global_bytes<0){ + fprintf(stderr,"DEBUGGING MALLOC ERROR: freeing unmalloced memory\n"); + } + + pointers[insert]=NULL; +} + +void _VDBG_dump(void){ + int i; + for(i=0;ifile,ptr->line); + } + +} + +extern void *_VDBG_malloc(void *ptr,long bytes,char *file,long line){ + bytes+=HEAD_ALIGN; + if(ptr){ + ptr=(void *)(((char *)ptr)-HEAD_ALIGN); + _ripremove(ptr); + ptr=realloc(ptr,bytes); + }else{ + ptr=malloc(bytes); + memset(ptr,0,bytes); + } + return _insert(ptr,bytes,file,line); +} + +extern void _VDBG_free(void *ptr){ + if(ptr){ + ptr=(void *)(((char *)ptr)-HEAD_ALIGN); + _ripremove(ptr); + free(ptr); + } +} + diff --git a/sources/tremolo/Tremolo/misc.h b/sources/tremolo/Tremolo/misc.h new file mode 100644 index 00000000..b75a6d82 --- /dev/null +++ b/sources/tremolo/Tremolo/misc.h @@ -0,0 +1,213 @@ +/************************************************************************ + * Copyright (C) 2002-2009, Xiph.org Foundation + * Copyright (C) 2010, Robin Watts for Pinknoise Productions Ltd + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above + * copyright notice, this list of conditions and the following disclaimer + * in the documentation and/or other materials provided with the + * distribution. + * * Neither the names of the Xiph.org Foundation nor Pinknoise + * Productions Ltd nor the names of its contributors may be used to + * endorse or promote products derived from this software without + * specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + ************************************************************************ + + function: miscellaneous math and prototypes + + ************************************************************************/ + +#ifndef _V_RANDOM_H_ +#define _V_RANDOM_H_ +#include "ivorbiscodec.h" +#include "os_types.h" + +/*#define _VDBG_GRAPHFILE "_0.m"*/ + + +#ifdef _VDBG_GRAPHFILE +extern void *_VDBG_malloc(void *ptr,long bytes,char *file,long line); +extern void _VDBG_free(void *ptr); + +#undef _ogg_malloc +#undef _ogg_calloc +#undef _ogg_realloc +#undef _ogg_free + +#define _ogg_malloc(x) _VDBG_malloc(NULL,(x),__FILE__,__LINE__) +#define _ogg_calloc(x,y) _VDBG_malloc(NULL,(x)*(y),__FILE__,__LINE__) +#define _ogg_realloc(x,y) _VDBG_malloc((x),(y),__FILE__,__LINE__) +#define _ogg_free(x) _VDBG_free((x)) +#endif + +#include "asm_arm.h" + +#ifndef _V_WIDE_MATH +#define _V_WIDE_MATH + +#ifndef _LOW_ACCURACY_ +/* 64 bit multiply */ + +#include +#include + +#if BYTE_ORDER==LITTLE_ENDIAN +union magic { + struct { + ogg_int32_t lo; + ogg_int32_t hi; + } halves; + ogg_int64_t whole; +}; +#endif + +#if BYTE_ORDER==BIG_ENDIAN +union magic { + struct { + ogg_int32_t hi; + ogg_int32_t lo; + } halves; + ogg_int64_t whole; +}; +#endif + +static inline ogg_int32_t MULT32(ogg_int32_t x, ogg_int32_t y) { + union magic magic; + magic.whole = (ogg_int64_t)x * y; + return magic.halves.hi; +} + +static inline ogg_int32_t MULT31(ogg_int32_t x, ogg_int32_t y) { + return MULT32(x,y)<<1; +} + +static inline ogg_int32_t MULT31_SHIFT15(ogg_int32_t x, ogg_int32_t y) { + union magic magic; + magic.whole = (ogg_int64_t)x * y; + return ((ogg_uint32_t)(magic.halves.lo)>>15) | ((magic.halves.hi)<<17); +} + +#else +/* 32 bit multiply, more portable but less accurate */ + +/* + * Note: Precision is biased towards the first argument therefore ordering + * is important. Shift values were chosen for the best sound quality after + * many listening tests. + */ + +/* + * For MULT32 and MULT31: The second argument is always a lookup table + * value already preshifted from 31 to 8 bits. We therefore take the + * opportunity to save on text space and use unsigned char for those + * tables in this case. + */ + +static inline ogg_int32_t MULT32(ogg_int32_t x, ogg_int32_t y) { + return (x >> 9) * y; /* y preshifted >>23 */ +} + +static inline ogg_int32_t MULT31(ogg_int32_t x, ogg_int32_t y) { + return (x >> 8) * y; /* y preshifted >>23 */ +} + +static inline ogg_int32_t MULT31_SHIFT15(ogg_int32_t x, ogg_int32_t y) { + return (x >> 6) * y; /* y preshifted >>9 */ +} + +#endif + +/* + * This should be used as a memory barrier, forcing all cached values in + * registers to wr writen back to memory. Might or might not be beneficial + * depending on the architecture and compiler. + */ +#define MB() + +/* + * The XPROD functions are meant to optimize the cross products found all + * over the place in mdct.c by forcing memory operation ordering to avoid + * unnecessary register reloads as soon as memory is being written to. + * However this is only beneficial on CPUs with a sane number of general + * purpose registers which exclude the Intel x86. On Intel, better let the + * compiler actually reload registers directly from original memory by using + * macros. + */ + +#ifdef __i386__ + +#define XPROD32(_a, _b, _t, _v, _x, _y) \ + { *(_x)=MULT32(_a,_t)+MULT32(_b,_v); \ + *(_y)=MULT32(_b,_t)-MULT32(_a,_v); } +#define XPROD31(_a, _b, _t, _v, _x, _y) \ + { *(_x)=MULT31(_a,_t)+MULT31(_b,_v); \ + *(_y)=MULT31(_b,_t)-MULT31(_a,_v); } +#define XNPROD31(_a, _b, _t, _v, _x, _y) \ + { *(_x)=MULT31(_a,_t)-MULT31(_b,_v); \ + *(_y)=MULT31(_b,_t)+MULT31(_a,_v); } + +#else + +static inline void XPROD32(ogg_int32_t a, ogg_int32_t b, + ogg_int32_t t, ogg_int32_t v, + ogg_int32_t *x, ogg_int32_t *y) +{ + *x = MULT32(a, t) + MULT32(b, v); + *y = MULT32(b, t) - MULT32(a, v); +} + +static inline void XPROD31(ogg_int32_t a, ogg_int32_t b, + ogg_int32_t t, ogg_int32_t v, + ogg_int32_t *x, ogg_int32_t *y) +{ + *x = MULT31(a, t) + MULT31(b, v); + *y = MULT31(b, t) - MULT31(a, v); +} + +static inline void XNPROD31(ogg_int32_t a, ogg_int32_t b, + ogg_int32_t t, ogg_int32_t v, + ogg_int32_t *x, ogg_int32_t *y) +{ + *x = MULT31(a, t) - MULT31(b, v); + *y = MULT31(b, t) + MULT31(a, v); +} + +#endif + +#endif + +#ifndef _V_CLIP_MATH +#define _V_CLIP_MATH + +static inline ogg_int32_t CLIP_TO_15(ogg_int32_t x) { + int ret=x; + ret-= ((x<=32767)-1)&(x-32767); + ret-= ((x>=-32768)-1)&(x+32768); + return(ret); +} + +#endif + +#endif + + + + diff --git a/sources/tremolo/Tremolo/ogg.h b/sources/tremolo/Tremolo/ogg.h new file mode 100644 index 00000000..7f35bd4f --- /dev/null +++ b/sources/tremolo/Tremolo/ogg.h @@ -0,0 +1,242 @@ +/************************************************************************ + * Copyright (C) 2002-2009, Xiph.org Foundation + * Copyright (C) 2010, Robin Watts for Pinknoise Productions Ltd + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above + * copyright notice, this list of conditions and the following disclaimer + * in the documentation and/or other materials provided with the + * distribution. + * * Neither the names of the Xiph.org Foundation nor Pinknoise + * Productions Ltd nor the names of its contributors may be used to + * endorse or promote products derived from this software without + * specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + ************************************************************************ + + function: subsumed libogg includes + + ************************************************************************/ +#ifndef _OGG_H +#define _OGG_H + +#ifdef __cplusplus +extern "C" { +#endif + +#include "os_types.h" + +#ifndef ONLY_C +#define ARM_LITTLE_ENDIAN +#endif + +typedef struct ogg_buffer_state{ + struct ogg_buffer *unused_buffers; + struct ogg_reference *unused_references; + int outstanding; + int shutdown; +} ogg_buffer_state; + +typedef struct ogg_buffer { + unsigned char *data; + long size; + int refcount; + + union { + ogg_buffer_state *owner; + struct ogg_buffer *next; + } ptr; +} ogg_buffer; + +typedef struct ogg_reference { + ogg_buffer *buffer; + long begin; + long length; + + struct ogg_reference *next; +} ogg_reference; + +typedef struct oggpack_buffer { +#ifdef ARM_LITTLE_ENDIAN + int bitsLeftInSegment; + ogg_uint32_t *ptr; + long bitsLeftInWord; +#else + int headbit; + unsigned char *headptr; + long headend; +#endif /* ARM_LITTLE_ENDIAN */ + /* memory management */ + ogg_reference *head; + ogg_reference *tail; + + /* render the byte/bit counter API constant time */ + long count; /* doesn't count the tail */ +} oggpack_buffer; + +typedef struct oggbyte_buffer { + ogg_reference *baseref; + + ogg_reference *ref; + unsigned char *ptr; + long pos; + long end; +} oggbyte_buffer; + +typedef struct ogg_sync_state { + /* decode memory management pool */ + ogg_buffer_state *bufferpool; + + /* stream buffers */ + ogg_reference *fifo_head; + ogg_reference *fifo_tail; + long fifo_fill; + + /* stream sync management */ + int unsynced; + int headerbytes; + int bodybytes; + +} ogg_sync_state; + +typedef struct ogg_stream_state { + ogg_reference *header_head; + ogg_reference *header_tail; + ogg_reference *body_head; + ogg_reference *body_tail; + + int e_o_s; /* set when we have buffered the last + packet in the logical bitstream */ + int b_o_s; /* set after we've written the initial page + of a logical bitstream */ + long serialno; + long pageno; + ogg_int64_t packetno; /* sequence number for decode; the framing + knows where there's a hole in the data, + but we need coupling so that the codec + (which is in a seperate abstraction + layer) also knows about the gap */ + ogg_int64_t granulepos; + + int lacing_fill; + ogg_uint32_t body_fill; + + /* decode-side state data */ + int holeflag; + int spanflag; + int clearflag; + int laceptr; + ogg_uint32_t body_fill_next; + +} ogg_stream_state; + +typedef struct { + ogg_reference *packet; + long bytes; + long b_o_s; + long e_o_s; + ogg_int64_t granulepos; + ogg_int64_t packetno; /* sequence number for decode; the framing + knows where there's a hole in the data, + but we need coupling so that the codec + (which is in a seperate abstraction + layer) also knows about the gap */ +} ogg_packet; + +typedef struct { + ogg_reference *header; + int header_len; + ogg_reference *body; + long body_len; +} ogg_page; + +/* Ogg BITSTREAM PRIMITIVES: bitstream ************************/ + +extern void oggpack_readinit(oggpack_buffer *b,ogg_reference *r); +extern long oggpack_look(oggpack_buffer *b,int bits); +extern void oggpack_adv(oggpack_buffer *b,int bits); +extern long oggpack_read(oggpack_buffer *b,int bits); +extern long oggpack_bytes(oggpack_buffer *b); +extern long oggpack_bits(oggpack_buffer *b); +extern int oggpack_eop(oggpack_buffer *b); + +// Quick hack +#define oggpack_bytesleft(B) (((B)->bitsLeftInSegment+7)/8) + +/* Ogg BITSTREAM PRIMITIVES: decoding **************************/ + +extern void ogg_sync_init(ogg_sync_state *oy); +extern ogg_sync_state *ogg_sync_create(void); +extern int ogg_sync_clear(ogg_sync_state *oy); +extern int ogg_sync_destroy(ogg_sync_state *oy); +extern int ogg_sync_reset(ogg_sync_state *oy); + +extern unsigned char *ogg_sync_bufferin(ogg_sync_state *oy, long size); +extern int ogg_sync_wrote(ogg_sync_state *oy, long bytes); +extern long ogg_sync_pageseek(ogg_sync_state *oy,ogg_page *og); +extern int ogg_sync_pageout(ogg_sync_state *oy, ogg_page *og); +extern int ogg_stream_pagein(ogg_stream_state *os, ogg_page *og); +extern int ogg_stream_packetout(ogg_stream_state *os,ogg_packet *op); +extern int ogg_stream_packetpeek(ogg_stream_state *os,ogg_packet *op); + +/* Ogg BITSTREAM PRIMITIVES: general ***************************/ + +extern void ogg_stream_init(ogg_stream_state *os, int serialno); +extern ogg_stream_state *ogg_stream_create(int serialno); +extern int ogg_stream_destroy(ogg_stream_state *os); +extern int ogg_stream_clear(ogg_stream_state *os); +extern int ogg_stream_reset(ogg_stream_state *os); +extern int ogg_stream_reset_serialno(ogg_stream_state *os,int serialno); +extern int ogg_stream_eos(ogg_stream_state *os); + +extern int ogg_page_checksum_set(ogg_page *og); + +extern int ogg_page_version(ogg_page *og); +extern int ogg_page_continued(ogg_page *og); +extern int ogg_page_bos(ogg_page *og); +extern int ogg_page_eos(ogg_page *og); +extern ogg_int64_t ogg_page_granulepos(ogg_page *og); +extern ogg_uint32_t ogg_page_serialno(ogg_page *og); +extern ogg_uint32_t ogg_page_pageno(ogg_page *og); +extern int ogg_page_packets(ogg_page *og); +extern int ogg_page_getbuffer(ogg_page *og, unsigned char **buffer); + +extern int ogg_packet_release(ogg_packet *op); +extern int ogg_page_release(ogg_page *og); + +extern void ogg_page_dup(ogg_page *d, ogg_page *s); + +/* Ogg BITSTREAM PRIMITIVES: return codes ***************************/ + +#define OGG_SUCCESS 0 + +#define OGG_HOLE -10 +#define OGG_SPAN -11 +#define OGG_EVERSION -12 +#define OGG_ESERIAL -13 +#define OGG_EINVAL -14 +#define OGG_EEOS -15 + + +#ifdef __cplusplus +} +#endif + +#endif /* _OGG_H */ diff --git a/sources/tremolo/Tremolo/os.h b/sources/tremolo/Tremolo/os.h new file mode 100644 index 00000000..ae9edd23 --- /dev/null +++ b/sources/tremolo/Tremolo/os.h @@ -0,0 +1,82 @@ +#ifndef _OS_H +#define _OS_H +/************************************************************************ + * Copyright (C) 2002-2009, Xiph.org Foundation + * Copyright (C) 2010, Robin Watts for Pinknoise Productions Ltd + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above + * copyright notice, this list of conditions and the following disclaimer + * in the documentation and/or other materials provided with the + * distribution. + * * Neither the names of the Xiph.org Foundation nor Pinknoise + * Productions Ltd nor the names of its contributors may be used to + * endorse or promote products derived from this software without + * specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + ************************************************************************ + + function: #ifdef jail to whip a few platforms into the UNIX ideal. + + ************************************************************************/ + +#include +#include "os_types.h" + +#ifndef _V_IFDEFJAIL_H_ +# define _V_IFDEFJAIL_H_ + +# ifdef __GNUC__ +# define STIN static __inline__ +# elif _WIN32 +# define STIN static __inline +# endif +#else +# define STIN static +#endif + +#ifndef M_PI +# define M_PI (3.1415926536f) +#endif + +#ifdef _WIN32 +# include +# define rint(x) (floor((x)+0.5f)) +# define NO_FLOAT_MATH_LIB +# define FAST_HYPOT(a, b) sqrt((a)*(a) + (b)*(b)) +#endif + +#ifdef HAVE_ALLOCA_H +# include +#endif + +#ifdef USE_MEMORY_H +# include +#endif + +#ifndef min +# define min(x,y) ((x)>(y)?(y):(x)) +#endif + +#ifndef max +# define max(x,y) ((x)<(y)?(y):(x)) +#endif + +#endif /* _OS_H */ diff --git a/sources/tremolo/Tremolo/os_types.h b/sources/tremolo/Tremolo/os_types.h new file mode 100644 index 00000000..315227cf --- /dev/null +++ b/sources/tremolo/Tremolo/os_types.h @@ -0,0 +1,124 @@ +/************************************************************************ + * Copyright (C) 2002-2009, Xiph.org Foundation + * Copyright (C) 2010, Robin Watts for Pinknoise Productions Ltd + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above + * copyright notice, this list of conditions and the following disclaimer + * in the documentation and/or other materials provided with the + * distribution. + * * Neither the names of the Xiph.org Foundation nor Pinknoise + * Productions Ltd nor the names of its contributors may be used to + * endorse or promote products derived from this software without + * specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + ************************************************************************ + + function: #ifdef jail to whip a few platforms into the UNIX ideal. + + ************************************************************************/ +#ifndef _OS_TYPES_H +#define _OS_TYPES_H + +#ifdef _LOW_ACCURACY_ +# define X(n) (((((n)>>22)+1)>>1) - ((((n)>>22)+1)>>9)) +# define LOOKUP_T const unsigned char +#else +# define X(n) (n) +# define LOOKUP_T const ogg_int32_t +#endif + +/* make it easy on the folks that want to compile the libs with a + different malloc than stdlib */ +#define _ogg_malloc malloc +#define _ogg_calloc calloc +#define _ogg_realloc realloc +#define _ogg_free free + +#if defined (_WIN32_WCE) + + typedef unsigned short ogg_uint16_t; + typedef short ogg_int16_t; + typedef int ogg_int32_t; + typedef unsigned int ogg_uint32_t; + typedef __int64 ogg_int64_t; + + #define inline + +#elif defined(_WIN32) + +# ifndef __GNUC__ + /* MSVC/Borland */ + typedef __int64 ogg_int64_t; + typedef __int32 ogg_int32_t; + typedef unsigned __int32 ogg_uint32_t; + typedef __int16 ogg_int16_t; + typedef unsigned __int16 ogg_uint16_t; +# else + /* Cygwin */ + #include <_G_config.h> + typedef _G_int64_t ogg_int64_t; + typedef _G_int32_t ogg_int32_t; + typedef _G_uint32_t ogg_uint32_t; + typedef _G_int16_t ogg_int16_t; + typedef _G_uint16_t ogg_uint16_t; +# endif + +#elif defined(__MACOS__) + +# include + typedef SInt16 ogg_int16_t; + typedef UInt16 ogg_uint16_t; + typedef SInt32 ogg_int32_t; + typedef UInt32 ogg_uint32_t; + typedef SInt64 ogg_int64_t; + +#elif defined(__MACOSX__) /* MacOS X Framework build */ + +# include + typedef int16_t ogg_int16_t; + typedef u_int16_t ogg_uint16_t; + typedef int32_t ogg_int32_t; + typedef u_int32_t ogg_uint32_t; + typedef int64_t ogg_int64_t; + +#elif defined(__BEOS__) + + /* Be */ +# include + +#elif defined (__EMX__) + + /* OS/2 GCC */ + typedef short ogg_int16_t; + typedef unsigned short ogg_uint16_t; + typedef int ogg_int32_t; + typedef unsigned int ogg_uint32_t; + typedef long long ogg_int64_t; + +#else + +# include +# include "config_types.h" +# include + +#endif + +#endif /* _OS_TYPES_H */ diff --git a/sources/tremolo/Tremolo/res012.c b/sources/tremolo/Tremolo/res012.c new file mode 100644 index 00000000..be279d03 --- /dev/null +++ b/sources/tremolo/Tremolo/res012.c @@ -0,0 +1,247 @@ +/************************************************************************ + * Copyright (C) 2002-2009, Xiph.org Foundation + * Copyright (C) 2010, Robin Watts for Pinknoise Productions Ltd + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above + * copyright notice, this list of conditions and the following disclaimer + * in the documentation and/or other materials provided with the + * distribution. + * * Neither the names of the Xiph.org Foundation nor Pinknoise + * Productions Ltd nor the names of its contributors may be used to + * endorse or promote products derived from this software without + * specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + ************************************************************************ + + function: residue backend 0, 1 and 2 implementation + + ************************************************************************/ + +#include +#include +#include +#include "ogg.h" +#include "ivorbiscodec.h" +#include "codec_internal.h" +#include "codebook.h" +#include "misc.h" +#include "os.h" + +void res_clear_info(vorbis_info_residue *info){ + if(info){ + if(info->stagemasks)_ogg_free(info->stagemasks); + if(info->stagebooks)_ogg_free(info->stagebooks); + memset(info,0,sizeof(*info)); + } +} + + +/* vorbis_info is for range checking */ +int res_unpack(vorbis_info_residue *info, + vorbis_info *vi,oggpack_buffer *opb){ + int j,k; + codec_setup_info *ci=(codec_setup_info *)vi->codec_setup; + memset(info,0,sizeof(*info)); + + info->type=oggpack_read(opb,16); + if(info->type>2 || info->type<0)goto errout; + info->begin=oggpack_read(opb,24); + info->end=oggpack_read(opb,24); + info->grouping=oggpack_read(opb,24)+1; + info->partitions=(char)(oggpack_read(opb,6)+1); + info->groupbook=(unsigned char)oggpack_read(opb,8); + if(info->groupbook>=ci->books)goto errout; + + info->stagemasks=_ogg_malloc(info->partitions*sizeof(*info->stagemasks)); + info->stagebooks=_ogg_malloc(info->partitions*8*sizeof(*info->stagebooks)); + + for(j=0;jpartitions;j++){ + int cascade=oggpack_read(opb,3); + if(oggpack_read(opb,1)) + cascade|=(oggpack_read(opb,5)<<3); + info->stagemasks[j]=cascade; + } + + for(j=0;jpartitions;j++){ + for(k=0;k<8;k++){ + if((info->stagemasks[j]>>k)&1){ + unsigned char book=(unsigned char)oggpack_read(opb,8); + if(book>=ci->books)goto errout; + info->stagebooks[j*8+k]=book; + if(k+1>info->stages)info->stages=k+1; + }else + info->stagebooks[j*8+k]=0xff; + } + } + + if(oggpack_eop(opb))goto errout; + + return 0; + errout: + res_clear_info(info); + return 1; +} + +int res_inverse(vorbis_dsp_state *vd,vorbis_info_residue *info, + ogg_int32_t **in,int *nonzero,int ch){ + + int i,j,k,s,used=0; + codec_setup_info *ci=(codec_setup_info *)vd->vi->codec_setup; + codebook *phrasebook=ci->book_param+info->groupbook; + int samples_per_partition=info->grouping; + int partitions_per_word=phrasebook->dim; + int pcmend=ci->blocksizes[vd->W]; + + if(info->type<2){ + int max=pcmend>>1; + int end=(info->endend:max); + int n=end-info->begin; + + if(n>0){ + int partvals=n/samples_per_partition; + int partwords=(partvals+partitions_per_word-1)/partitions_per_word; + + for(i=0;istages;s++){ + + for(i=0;i=0;k--) + partword[0][i+k]=partword[0][i+k+1]*info->partitions; + + for(j=1;j=0;k--) + partword[j][i+k]=partword[j-1][i+k]; + + for(j=0;jopb); + if(temp==-1)goto eopbreak; + + /* this can be done quickly in assembly due to the quotient + always being at most six bits */ + for(k=0;kbegin+i*samples_per_partition; + int idx = (int)partword[j][i]; + if(idx < info->partitions && info->stagemasks[idx]&(1<book_param+ + info->stagebooks[(partword[j][i]<<3)+s]; + if(info->type){ + if(vorbis_book_decodev_add(stagebook,in[j]+offset,&vd->opb, + samples_per_partition,-8)==-1) + goto eopbreak; + }else{ + if(vorbis_book_decodevs_add(stagebook,in[j]+offset,&vd->opb, + samples_per_partition,-8)==-1) + goto eopbreak; + } + } + } + } + } + } + } + }else{ + int max=(pcmend*ch)>>1; + int end=(info->endend:max); + int n=end-info->begin; + + if(n>0){ + int partvals=n/samples_per_partition; + int partwords=(partvals+partitions_per_word-1)/partitions_per_word; + + char *partword= + (char *)alloca(partwords*partitions_per_word*sizeof(*partword)); + int beginoff=info->begin/ch; + + for(i=0;istages;s++){ + for(i=0;i=0;k--) + partword[i+k]=partword[i+k+1]*info->partitions; + + /* fetch the partition word */ + temp=vorbis_book_decode(phrasebook,&vd->opb); + if(temp==-1)goto eopbreak; + + /* this can be done quickly in assembly due to the quotient + always being at most six bits */ + for(k=0;k= 0 && partword[i] < info->partitions && + (info->stagemasks[(int)partword[i]] & (1 << s))){ + codebook *stagebook=ci->book_param+ + info->stagebooks[(partword[i]<<3)+s]; + if(vorbis_book_decodevv_add(stagebook,in, + i*samples_per_partition+beginoff,ch, + &vd->opb, + samples_per_partition,-8)==-1) + goto eopbreak; + } + } + } + } + } + } + eopbreak: + + return 0; +} + diff --git a/sources/tremolo/Tremolo/treminfo.c b/sources/tremolo/Tremolo/treminfo.c new file mode 100644 index 00000000..4f727286 --- /dev/null +++ b/sources/tremolo/Tremolo/treminfo.c @@ -0,0 +1,395 @@ +/************************************************************************ + * Copyright (C) 2002-2009, Xiph.org Foundation + * Copyright (C) 2010, Robin Watts for Pinknoise Productions Ltd + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above + * copyright notice, this list of conditions and the following disclaimer + * in the documentation and/or other materials provided with the + * distribution. + * * Neither the names of the Xiph.org Foundation nor Pinknoise + * Productions Ltd nor the names of its contributors may be used to + * endorse or promote products derived from this software without + * specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + ************************************************************************ + + function: maintain the info structure, info <-> header packets + + ************************************************************************/ + +/* general handling of the header and the vorbis_info structure (and + substructures) */ + +#include +#include +#include +#include "ogg.h" +#include "ivorbiscodec.h" +#include "codec_internal.h" +#include "codebook.h" +#include "misc.h" +#include "os.h" + +/* helpers */ +static void _v_readstring(oggpack_buffer *o,char *buf,int bytes){ + while(bytes--){ + *buf++=(char)oggpack_read(o,8); + } +} + +void vorbis_comment_init(vorbis_comment *vc){ + memset(vc,0,sizeof(*vc)); +} + +/* This is more or less the same as strncasecmp - but that doesn't exist + * everywhere, and this is a fairly trivial function, so we include it */ +static int tagcompare(const char *s1, const char *s2, int n){ + int c=0; + while(c < n){ + if(toupper(s1[c]) != toupper(s2[c])) + return !0; + c++; + } + return 0; +} + +char *vorbis_comment_query(vorbis_comment *vc, char *tag, int count){ + long i; + int found = 0; + int taglen = strlen(tag)+1; /* +1 for the = we append */ + char *fulltag = (char *)alloca(taglen+ 1); + + strcpy(fulltag, tag); + strcat(fulltag, "="); + + for(i=0;icomments;i++){ + if(!tagcompare(vc->user_comments[i], fulltag, taglen)){ + if(count == found) + /* We return a pointer to the data, not a copy */ + return vc->user_comments[i] + taglen; + else + found++; + } + } + return NULL; /* didn't find anything */ +} + +int vorbis_comment_query_count(vorbis_comment *vc, char *tag){ + int i,count=0; + int taglen = strlen(tag)+1; /* +1 for the = we append */ + char *fulltag = (char *)alloca(taglen+1); + strcpy(fulltag,tag); + strcat(fulltag, "="); + + for(i=0;icomments;i++){ + if(!tagcompare(vc->user_comments[i], fulltag, taglen)) + count++; + } + + return count; +} + +void vorbis_comment_clear(vorbis_comment *vc){ + if(vc){ + long i; + for(i=0;icomments;i++) + if(vc->user_comments[i])_ogg_free(vc->user_comments[i]); + if(vc->user_comments)_ogg_free(vc->user_comments); + if(vc->comment_lengths)_ogg_free(vc->comment_lengths); + if(vc->vendor)_ogg_free(vc->vendor); + } + memset(vc,0,sizeof(*vc)); +} + +/* blocksize 0 is guaranteed to be short, 1 is guarantted to be long. + They may be equal, but short will never ge greater than long */ +int vorbis_info_blocksize(vorbis_info *vi,int zo){ + codec_setup_info *ci = (codec_setup_info *)vi->codec_setup; + return ci ? ci->blocksizes[zo] : -1; +} + +/* used by synthesis, which has a full, alloced vi */ +void vorbis_info_init(vorbis_info *vi){ + memset(vi,0,sizeof(*vi)); + vi->codec_setup=(codec_setup_info *)_ogg_calloc(1,sizeof(codec_setup_info)); +} + +void vorbis_info_clear(vorbis_info *vi){ + codec_setup_info *ci=(codec_setup_info *)vi->codec_setup; + int i; + + if(ci){ + + if(ci->mode_param)_ogg_free(ci->mode_param); + + if(ci->map_param){ + for(i=0;imaps;i++) /* unpack does the range checking */ + mapping_clear_info(ci->map_param+i); + _ogg_free(ci->map_param); + } + + if(ci->floor_param){ + for(i=0;ifloors;i++) /* unpack does the range checking */ + if(ci->floor_type[i]) + floor1_free_info(ci->floor_param[i]); + else + floor0_free_info(ci->floor_param[i]); + _ogg_free(ci->floor_param); + _ogg_free(ci->floor_type); + } + + if(ci->residue_param){ + for(i=0;iresidues;i++) /* unpack does the range checking */ + res_clear_info(ci->residue_param+i); + _ogg_free(ci->residue_param); + } + + if(ci->book_param){ + for(i=0;ibooks;i++) + vorbis_book_clear(ci->book_param+i); + _ogg_free(ci->book_param); + } + + _ogg_free(ci); + } + + memset(vi,0,sizeof(*vi)); +} + +/* Header packing/unpacking ********************************************/ + +int _vorbis_unpack_info(vorbis_info *vi,oggpack_buffer *opb){ + codec_setup_info *ci=(codec_setup_info *)vi->codec_setup; + if(!ci)return(OV_EFAULT); + + vi->version=oggpack_read(opb,32); + if(vi->version!=0)return(OV_EVERSION); + + vi->channels=oggpack_read(opb,8); + vi->rate=oggpack_read(opb,32); + + vi->bitrate_upper=oggpack_read(opb,32); + vi->bitrate_nominal=oggpack_read(opb,32); + vi->bitrate_lower=oggpack_read(opb,32); + + ci->blocksizes[0]=1<blocksizes[1]=1<rate>=64000 || ci->blocksizes[1]>4096)goto err_out; +#else + if(vi->rate<64000 && ci->blocksizes[1]>4096)goto err_out; +#endif + + if(vi->rate<1)goto err_out; + if(vi->channels<1)goto err_out; + if(ci->blocksizes[0]<64)goto err_out; + if(ci->blocksizes[1]blocksizes[0])goto err_out; + if(ci->blocksizes[1]>8192)goto err_out; + + if(oggpack_read(opb,1)!=1)goto err_out; /* EOP check */ + + return(0); + err_out: + vorbis_info_clear(vi); + return(OV_EBADHEADER); +} + +int _vorbis_unpack_comment(vorbis_comment *vc,oggpack_buffer *opb){ + int i; + int vendorlen=oggpack_read(opb,32); + if(vendorlen<0)goto err_out; + vc->vendor=(char *)_ogg_calloc(vendorlen+1,1); + if(!vc->vendor)goto err_out; + _v_readstring(opb,vc->vendor,vendorlen); + vc->comments=oggpack_read(opb,32); + if(vc->comments<0)goto err_out; + vc->user_comments=(char **)_ogg_calloc(vc->comments+1,sizeof(*vc->user_comments)); + if (!vc->user_comments){ + vc->comments=0; + goto err_out; + } + vc->comment_lengths=(int *)_ogg_calloc(vc->comments+1, sizeof(*vc->comment_lengths)); + if (!vc->comment_lengths)goto err_out; + + for(i=0;icomments;i++){ + int len=oggpack_read(opb,32); + if(len<0)goto err_out; + vc->comment_lengths[i]=len; + vc->user_comments[i]=(char *)_ogg_calloc(len+1,1); + if(!vc->user_comments[i])goto err_out; + _v_readstring(opb,vc->user_comments[i],len); + } + if(oggpack_read(opb,1)!=1)goto err_out; /* EOP check */ + + return(0); + err_out: + vorbis_comment_clear(vc); + return(OV_EBADHEADER); +} + +/* all of the real encoding details are here. The modes, books, + everything */ +int _vorbis_unpack_books(vorbis_info *vi,oggpack_buffer *opb){ + codec_setup_info *ci=(codec_setup_info *)vi->codec_setup; + int i; + if(!ci)return(OV_EFAULT); + + /* codebooks */ + ci->books=oggpack_read(opb,8)+1; + ci->book_param=(codebook *)_ogg_calloc(ci->books,sizeof(*ci->book_param)); + if(!ci->book_param){ + ci->books=0; + goto err_out; + } + for(i=0;ibooks;i++) + if(vorbis_book_unpack(opb,ci->book_param+i))goto err_out; + + /* time backend settings, not actually used */ + i=oggpack_read(opb,6); + for(;i>=0;i--) + if(oggpack_read(opb,16)!=0)goto err_out; + + /* floor backend settings */ + ci->floors=oggpack_read(opb,6)+1; + ci->floor_param=_ogg_calloc(ci->floors, sizeof(*ci->floor_param)); + ci->floor_type=_ogg_calloc(ci->floors, sizeof(*ci->floor_type)); + if(!ci->floor_param || !ci->floor_type){ + ci->floors=0; + goto err_out; + } + for(i=0;ifloors;i++){ + ci->floor_type[i]=(char)oggpack_read(opb,16); + if(ci->floor_type[i]<0 || ci->floor_type[i]>=VI_FLOORB)goto err_out; + if(ci->floor_type[i]) + ci->floor_param[i]=floor1_info_unpack(vi,opb); + else + ci->floor_param[i]=floor0_info_unpack(vi,opb); + if(!ci->floor_param[i])goto err_out; + } + + /* residue backend settings */ + ci->residues=oggpack_read(opb,6)+1; + ci->residue_param=_ogg_calloc(ci->residues, sizeof(*ci->residue_param)); + if (!ci->residue_param){ + ci->residues=0; + goto err_out; + } + for(i=0;iresidues;i++) + if(res_unpack(ci->residue_param+i,vi,opb))goto err_out; + + /* map backend settings */ + ci->maps=oggpack_read(opb,6)+1; + ci->map_param=_ogg_calloc(ci->maps, sizeof(*ci->map_param)); + if (!ci->map_param){ + ci->maps=0; + goto err_out; + } + for(i=0;imaps;i++){ + if(oggpack_read(opb,16)!=0)goto err_out; + if(mapping_info_unpack(ci->map_param+i,vi,opb))goto err_out; + } + + /* mode settings */ + ci->modes=oggpack_read(opb,6)+1; + ci->mode_param= + (vorbis_info_mode *)_ogg_calloc(ci->modes, sizeof(*ci->mode_param)); + if (!ci->mode_param){ + ci->modes=0; + goto err_out; + } + for(i=0;imodes;i++){ + ci->mode_param[i].blockflag=(unsigned char)oggpack_read(opb,1); + if(oggpack_read(opb,16))goto err_out; + if(oggpack_read(opb,16))goto err_out; + ci->mode_param[i].mapping=(unsigned char)oggpack_read(opb,8); + if(ci->mode_param[i].mapping>=ci->maps)goto err_out; + } + + if(oggpack_read(opb,1)!=1)goto err_out; /* top level EOP check */ + + return(0); + err_out: + vorbis_info_clear(vi); + return(OV_EBADHEADER); +} + +/* The Vorbis header is in three packets; the initial small packet in + the first page that identifies basic parameters, a second packet + with bitstream comments and a third packet that holds the + codebook. */ + +int vorbis_dsp_headerin(vorbis_info *vi,vorbis_comment *vc,ogg_packet *op){ + oggpack_buffer opb; + + if(op){ + oggpack_readinit(&opb,op->packet); + + /* Which of the three types of header is this? */ + /* Also verify header-ness, vorbis */ + { + char buffer[6]; + int packtype=oggpack_read(&opb,8); + memset(buffer,0,6); + _v_readstring(&opb,buffer,6); + if(memcmp(buffer,"vorbis",6)){ + /* not a vorbis header */ + return(OV_ENOTVORBIS); + } + switch(packtype){ + case 0x01: /* least significant *bit* is read first */ + if(!op->b_o_s){ + /* Not the initial packet */ + return(OV_EBADHEADER); + } + if(vi->rate!=0){ + /* previously initialized info header */ + return(OV_EBADHEADER); + } + + return(_vorbis_unpack_info(vi,&opb)); + + case 0x03: /* least significant *bit* is read first */ + if(vi->rate==0){ + /* um... we didn't get the initial header */ + return(OV_EBADHEADER); + } + + return(_vorbis_unpack_comment(vc,&opb)); + + case 0x05: /* least significant *bit* is read first */ + if(vi->rate==0 || vc->vendor==NULL){ + /* um... we didn;t get the initial header or comments yet */ + return(OV_EBADHEADER); + } + + return(_vorbis_unpack_books(vi,&opb)); + + default: + /* Not a valid vorbis header type */ + return(OV_EBADHEADER); + break; + } + } + } + return(OV_EBADHEADER); +} + diff --git a/sources/tremolo/Tremolo/vorbisfile.c b/sources/tremolo/Tremolo/vorbisfile.c new file mode 100644 index 00000000..f896b43f --- /dev/null +++ b/sources/tremolo/Tremolo/vorbisfile.c @@ -0,0 +1,1612 @@ +/************************************************************************ + * Copyright (C) 2002-2009, Xiph.org Foundation + * Copyright (C) 2010, Robin Watts for Pinknoise Productions Ltd + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above + * copyright notice, this list of conditions and the following disclaimer + * in the documentation and/or other materials provided with the + * distribution. + * * Neither the names of the Xiph.org Foundation nor Pinknoise + * Productions Ltd nor the names of its contributors may be used to + * endorse or promote products derived from this software without + * specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + ************************************************************************ + + function: stdio-based convenience library for opening/seeking/decoding + last mod: $Id: vorbisfile.c,v 1.6.2.5 2003/11/20 06:16:17 xiphmont Exp $ + + ************************************************************************/ + +#include +#include +//#include +#include +#include + +#include "codec_internal.h" +#include "ivorbisfile.h" + +#include "os.h" +#include "misc.h" + +int gerrno; + +#define NOTOPEN 0 +#define PARTOPEN 1 +#define OPENED 2 +#define STREAMSET 3 /* serialno and link set, but not to current link */ +#define LINKSET 4 /* serialno and link set to current link */ +#define INITSET 5 + +/* A 'chained bitstream' is a Vorbis bitstream that contains more than + one logical bitstream arranged end to end (the only form of Ogg + multiplexing allowed in a Vorbis bitstream; grouping [parallel + multiplexing] is not allowed in Vorbis) */ + +/* A Vorbis file can be played beginning to end (streamed) without + worrying ahead of time about chaining (see decoder_example.c). If + we have the whole file, however, and want random access + (seeking/scrubbing) or desire to know the total length/time of a + file, we need to account for the possibility of chaining. */ + +/* We can handle things a number of ways; we can determine the entire + bitstream structure right off the bat, or find pieces on demand. + This example determines and caches structure for the entire + bitstream, but builds a virtual decoder on the fly when moving + between links in the chain. */ + +/* There are also different ways to implement seeking. Enough + information exists in an Ogg bitstream to seek to + sample-granularity positions in the output. Or, one can seek by + picking some portion of the stream roughly in the desired area if + we only want coarse navigation through the stream. */ + +/************************************************************************* + * Many, many internal helpers. The intention is not to be confusing; + * rampant duplication and monolithic function implementation would be + * harder to understand anyway. The high level functions are last. Begin + * grokking near the end of the file */ + + +/* read a little more data from the file/pipe into the ogg_sync framer */ +static long _get_data(OggVorbis_File *vf){ + gerrno=0; + if(vf->datasource){ + unsigned char *buffer=ogg_sync_bufferin(vf->oy,CHUNKSIZE); + long bytes=(vf->callbacks.read_func)(buffer,1,CHUNKSIZE,vf->datasource); + if(bytes>0)ogg_sync_wrote(vf->oy,bytes); + if(bytes==0 && gerrno)return -1; + return bytes; + }else + return 0; +} + +/* save a tiny smidge of verbosity to make the code more readable */ +static void _seek_helper(OggVorbis_File *vf,ogg_int64_t offset){ + if(vf->datasource){ + (vf->callbacks.seek_func)(vf->datasource, offset, SEEK_SET); + vf->offset=offset; + ogg_sync_reset(vf->oy); + }else{ + /* shouldn't happen unless someone writes a broken callback */ + return; + } +} + +/* The read/seek functions track absolute position within the stream */ + +/* from the head of the stream, get the next page. boundary specifies + if the function is allowed to fetch more data from the stream (and + how much) or only use internally buffered data. + + boundary: -1) unbounded search + 0) read no additional data; use cached only + n) search for a new page beginning for n bytes + + return: <0) did not find a page (OV_FALSE, OV_EOF, OV_EREAD) + n) found a page at absolute offset n + + produces a refcounted page */ + +static ogg_int64_t _get_next_page(OggVorbis_File *vf,ogg_page *og, + ogg_int64_t boundary){ + if(boundary>0)boundary+=vf->offset; + while(1){ + long more; + + if(boundary>0 && vf->offset>=boundary)return OV_FALSE; + more=ogg_sync_pageseek(vf->oy,og); + + if(more<0){ + /* skipped n bytes */ + vf->offset-=more; + }else{ + if(more==0){ + /* send more paramedics */ + if(!boundary)return OV_FALSE; + { + long ret=_get_data(vf); + if(ret==0)return OV_EOF; + if(ret<0)return OV_EREAD; + } + }else{ + /* got a page. Return the offset at the page beginning, + advance the internal offset past the page end */ + ogg_int64_t ret=vf->offset; + vf->offset+=more; + return ret; + + } + } + } +} + +/* find the latest page beginning before the current stream cursor + position. Much dirtier than the above as Ogg doesn't have any + backward search linkage. no 'readp' as it will certainly have to + read. */ +/* returns offset or OV_EREAD, OV_FAULT and produces a refcounted page */ + +static ogg_int64_t _get_prev_page(OggVorbis_File *vf,ogg_page *og){ + ogg_int64_t begin=vf->offset; + ogg_int64_t end=begin; + ogg_int64_t ret; + ogg_int64_t offset=-1; + + while(offset==-1){ + begin-=CHUNKSIZE; + if(begin<0) + begin=0; + _seek_helper(vf,begin); + while(vf->offsetoffset); + if(ret==OV_EREAD)return OV_EREAD; + if(ret<0){ + break; + }else{ + offset=ret; + } + } + } + + /* we have the offset. Actually snork and hold the page now */ + _seek_helper(vf,offset); + ret=_get_next_page(vf,og,CHUNKSIZE); + if(ret<0) + /* this shouldn't be possible */ + return OV_EFAULT; + + return offset; +} + +/* finds each bitstream link one at a time using a bisection search + (has to begin by knowing the offset of the lb's initial page). + Recurses for each link so it can alloc the link storage after + finding them all, then unroll and fill the cache at the same time */ +static int _bisect_forward_serialno(OggVorbis_File *vf, + ogg_int64_t begin, + ogg_int64_t searched, + ogg_int64_t end, + ogg_uint32_t currentno, + long m){ + ogg_int64_t endsearched=end; + ogg_int64_t next=end; + ogg_page og={0,0,0,0}; + ogg_int64_t ret; + + /* the below guards against garbage seperating the last and + first pages of two links. */ + while(searched=0)next=ret; + }else{ + searched=ret+og.header_len+og.body_len; + } + ogg_page_release(&og); + } + + _seek_helper(vf,next); + ret=_get_next_page(vf,&og,-1); + if(ret==OV_EREAD)return OV_EREAD; + + if(searched>=end || ret<0){ + ogg_page_release(&og); + vf->links=m+1; + vf->offsets=_ogg_malloc((vf->links+1)*sizeof(*vf->offsets)); + vf->serialnos=_ogg_malloc(vf->links*sizeof(*vf->serialnos)); + vf->offsets[m+1]=searched; + }else{ + ret=_bisect_forward_serialno(vf,next,vf->offset, + end,ogg_page_serialno(&og),m+1); + ogg_page_release(&og); + if(ret==OV_EREAD)return OV_EREAD; + } + + vf->offsets[m]=begin; + vf->serialnos[m]=currentno; + return 0; +} + +static int _decode_clear(OggVorbis_File *vf){ + if(vf->ready_state==INITSET){ + vorbis_dsp_destroy(vf->vd); + vf->vd=0; + vf->ready_state=STREAMSET; + } + + if(vf->ready_state>=STREAMSET){ + vorbis_info_clear(&vf->vi); + vorbis_comment_clear(&vf->vc); + vf->ready_state=OPENED; + } + return 0; +} + +/* uses the local ogg_stream storage in vf; this is important for + non-streaming input sources */ +/* consumes the page that's passed in (if any) */ +/* state is LINKSET upon successful return */ + +static int _fetch_headers(OggVorbis_File *vf, + vorbis_info *vi, + vorbis_comment *vc, + ogg_uint32_t *serialno, + ogg_page *og_ptr){ + ogg_page og={0,0,0,0}; + ogg_packet op={0,0,0,0,0,0}; + int i,ret; + + if(vf->ready_state>OPENED)_decode_clear(vf); + + if(!og_ptr){ + ogg_int64_t llret=_get_next_page(vf,&og,CHUNKSIZE); + if(llret==OV_EREAD)return OV_EREAD; + if(llret<0)return OV_ENOTVORBIS; + og_ptr=&og; + } + + ogg_stream_reset_serialno(vf->os,ogg_page_serialno(og_ptr)); + if(serialno)*serialno=vf->os->serialno; + + /* extract the initial header from the first page and verify that the + Ogg bitstream is in fact Vorbis data */ + + vorbis_info_init(vi); + vorbis_comment_init(vc); + + i=0; + while(i<3){ + ogg_stream_pagein(vf->os,og_ptr); + while(i<3){ + int result=ogg_stream_packetout(vf->os,&op); + if(result==0)break; + if(result==-1){ + ret=OV_EBADHEADER; + goto bail_header; + } + if((ret=vorbis_dsp_headerin(vi,vc,&op))){ + goto bail_header; + } + i++; + } + if(i<3) + if(_get_next_page(vf,og_ptr,CHUNKSIZE)<0){ + ret=OV_EBADHEADER; + goto bail_header; + } + } + + ogg_packet_release(&op); + ogg_page_release(&og); + vf->ready_state=LINKSET; + return 0; + + bail_header: + ogg_packet_release(&op); + ogg_page_release(&og); + vorbis_info_clear(vi); + vorbis_comment_clear(vc); + vf->ready_state=OPENED; + + return ret; +} + +/* we no longer preload all vorbis_info (and the associated + codec_setup) structs. Call this to seek and fetch the info from + the bitstream, if needed */ +static int _set_link_number(OggVorbis_File *vf,int link){ + if(link != vf->current_link) _decode_clear(vf); + if(vf->ready_stateoffsets[link]); + ogg_stream_reset_serialno(vf->os,vf->serialnos[link]); + vf->current_serialno=vf->serialnos[link]; + vf->current_link=link; + return _fetch_headers(vf,&vf->vi,&vf->vc,&vf->current_serialno,NULL); + } + return 0; +} + +static int _set_link_number_preserve_pos(OggVorbis_File *vf,int link){ + ogg_int64_t pos=vf->offset; + int ret=_set_link_number(vf,link); + if(ret)return ret; + _seek_helper(vf,pos); + if(posoffsets[link] || pos>=vf->offsets[link+1]) + vf->ready_state=STREAMSET; + return 0; +} + +/* last step of the OggVorbis_File initialization; get all the offset + positions. Only called by the seekable initialization (local + stream storage is hacked slightly; pay attention to how that's + done) */ + +/* this is void and does not propogate errors up because we want to be + able to open and use damaged bitstreams as well as we can. Just + watch out for missing information for links in the OggVorbis_File + struct */ +static void _prefetch_all_offsets(OggVorbis_File *vf, ogg_int64_t dataoffset){ + ogg_page og={0,0,0,0}; + int i; + ogg_int64_t ret; + + vf->dataoffsets=_ogg_malloc(vf->links*sizeof(*vf->dataoffsets)); + vf->pcmlengths=_ogg_malloc(vf->links*2*sizeof(*vf->pcmlengths)); + + for(i=0;ilinks;i++){ + if(i==0){ + /* we already grabbed the initial header earlier. Just set the offset */ + vf->dataoffsets[i]=dataoffset; + _seek_helper(vf,dataoffset); + + }else{ + + /* seek to the location of the initial header */ + + _seek_helper(vf,vf->offsets[i]); + if(_fetch_headers(vf,&vf->vi,&vf->vc,NULL,NULL)<0){ + vf->dataoffsets[i]=-1; + }else{ + vf->dataoffsets[i]=vf->offset; + } + } + + /* fetch beginning PCM offset */ + + if(vf->dataoffsets[i]!=-1){ + ogg_int64_t accumulated=0,pos; + long lastblock=-1; + int result; + + ogg_stream_reset_serialno(vf->os,vf->serialnos[i]); + + while(1){ + ogg_packet op={0,0,0,0,0,0}; + + ret=_get_next_page(vf,&og,-1); + if(ret<0) + /* this should not be possible unless the file is + truncated/mangled */ + break; + + if(ogg_page_serialno(&og)!=vf->serialnos[i]) + break; + + pos=ogg_page_granulepos(&og); + + /* count blocksizes of all frames in the page */ + ogg_stream_pagein(vf->os,&og); + while((result=ogg_stream_packetout(vf->os,&op))){ + if(result>0){ /* ignore holes */ + long thisblock=vorbis_packet_blocksize(&vf->vi,&op); + if(lastblock!=-1) + accumulated+=(lastblock+thisblock)>>2; + lastblock=thisblock; + } + } + ogg_packet_release(&op); + + if(pos!=-1){ + /* pcm offset of last packet on the first audio page */ + accumulated= pos-accumulated; + break; + } + } + + /* less than zero? This is a stream with samples trimmed off + the beginning, a normal occurrence; set the offset to zero */ + if(accumulated<0)accumulated=0; + + vf->pcmlengths[i*2]=accumulated; + } + + /* get the PCM length of this link. To do this, + get the last page of the stream */ + { + ogg_int64_t end=vf->offsets[i+1]; + _seek_helper(vf,end); + + while(1){ + ret=_get_prev_page(vf,&og); + if(ret<0){ + /* this should not be possible */ + vorbis_info_clear(&vf->vi); + vorbis_comment_clear(&vf->vc); + break; + } + if(ogg_page_granulepos(&og)!=-1){ + vf->pcmlengths[i*2+1]=ogg_page_granulepos(&og)-vf->pcmlengths[i*2]; + break; + } + vf->offset=ret; + } + } + } + ogg_page_release(&og); +} + +static int _make_decode_ready(OggVorbis_File *vf){ + int i; + switch(vf->ready_state){ + case OPENED: + case STREAMSET: + for(i=0;ilinks;i++) + if(vf->offsets[i+1]>=vf->offset)break; + if(i==vf->links)return -1; + i=_set_link_number_preserve_pos(vf,i); + if(i)return i; + /* fall through */ + case LINKSET: + vf->vd=vorbis_dsp_create(&vf->vi); + vf->ready_state=INITSET; + vf->bittrack=0; + vf->samptrack=0; + case INITSET: + return 0; + default: + return -1; + } + +} + +static int _open_seekable2(OggVorbis_File *vf){ + ogg_uint32_t serialno=vf->current_serialno; + ogg_uint32_t tempserialno; + ogg_int64_t dataoffset=vf->offset, end; + ogg_page og={0,0,0,0}; + + /* we're partially open and have a first link header state in + storage in vf */ + /* we can seek, so set out learning all about this file */ + (vf->callbacks.seek_func)(vf->datasource,0,SEEK_END); + vf->offset=vf->end=(vf->callbacks.tell_func)(vf->datasource); + + /* We get the offset for the last page of the physical bitstream. + Most OggVorbis files will contain a single logical bitstream */ + end=_get_prev_page(vf,&og); + if(end<0)return (int)end; + + /* more than one logical bitstream? */ + tempserialno=ogg_page_serialno(&og); + ogg_page_release(&og); + + if(tempserialno!=serialno){ + + /* Chained bitstream. Bisect-search each logical bitstream + section. Do so based on serial number only */ + if(_bisect_forward_serialno(vf,0,0,end+1,serialno,0)<0)return OV_EREAD; + + }else{ + + /* Only one logical bitstream */ + if(_bisect_forward_serialno(vf,0,end,end+1,serialno,0))return OV_EREAD; + + } + + /* the initial header memory is referenced by vf after; don't free it */ + _prefetch_all_offsets(vf,dataoffset); + return ov_raw_seek(vf,0); +} + +/* fetch and process a packet. Handles the case where we're at a + bitstream boundary and dumps the decoding machine. If the decoding + machine is unloaded, it loads it. It also keeps pcm_offset up to + date (seek and read both use this. seek uses a special hack with + readp). + + return: <0) error, OV_HOLE (lost packet) or OV_EOF + 0) need more data (only if readp==0) + 1) got a packet +*/ + +static int _fetch_and_process_packet(OggVorbis_File *vf, + int readp, + int spanp){ + ogg_page og={0,0,0,0}; + ogg_packet op={0,0,0,0,0,0}; + int ret=0; + + /* handle one packet. Try to fetch it from current stream state */ + /* extract packets from page */ + while(1){ + + /* process a packet if we can. If the machine isn't loaded, + neither is a page */ + if(vf->ready_state==INITSET){ + while(1) { + int result=ogg_stream_packetout(vf->os,&op); + ogg_int64_t granulepos; + + if(result<0){ + ret=OV_HOLE; /* hole in the data. */ + goto cleanup; + } + if(result>0){ + /* got a packet. process it */ + granulepos=op.granulepos; + if(!vorbis_dsp_synthesis(vf->vd,&op,1)){ /* lazy check for lazy + header handling. The + header packets aren't + audio, so if/when we + submit them, + vorbis_synthesis will + reject them */ + + vf->samptrack+=vorbis_dsp_pcmout(vf->vd,NULL,0); + vf->bittrack+=op.bytes*8; + + /* update the pcm offset. */ + if(granulepos!=-1 && !op.e_o_s){ + int link=(vf->seekable?vf->current_link:0); + int i,samples; + + /* this packet has a pcm_offset on it (the last packet + completed on a page carries the offset) After processing + (above), we know the pcm position of the *last* sample + ready to be returned. Find the offset of the *first* + + As an aside, this trick is inaccurate if we begin + reading anew right at the last page; the end-of-stream + granulepos declares the last frame in the stream, and the + last packet of the last page may be a partial frame. + So, we need a previous granulepos from an in-sequence page + to have a reference point. Thus the !op.e_o_s clause + above */ + + if(vf->seekable && link>0) + granulepos-=vf->pcmlengths[link*2]; + if(granulepos<0)granulepos=0; /* actually, this + shouldn't be possible + here unless the stream + is very broken */ + + samples=vorbis_dsp_pcmout(vf->vd,NULL,0); + + granulepos-=samples; + for(i=0;ipcmlengths[i*2+1]; + vf->pcm_offset=granulepos; + } + ret=1; + goto cleanup; + } + } + else + break; + } + } + + if(vf->ready_state>=OPENED){ + int ret; + if(!readp){ + ret=0; + goto cleanup; + } + ret=(int)_get_next_page(vf,&og,-1); + if(ret<0){ + ret=OV_EOF; /* eof. leave unitialized */ + goto cleanup; + } + + /* bitrate tracking; add the header's bytes here, the body bytes + are done by packet above */ + vf->bittrack+=og.header_len*8; + + /* has our decoding just traversed a bitstream boundary? */ + if(vf->ready_state==INITSET){ + if(vf->current_serialno!=ogg_page_serialno(&og)){ + if(!spanp){ + ret=OV_EOF; + goto cleanup; + } + + _decode_clear(vf); + } + } + } + + /* Do we need to load a new machine before submitting the page? */ + /* This is different in the seekable and non-seekable cases. + + In the seekable case, we already have all the header + information loaded and cached; we just initialize the machine + with it and continue on our merry way. + + In the non-seekable (streaming) case, we'll only be at a + boundary if we just left the previous logical bitstream and + we're now nominally at the header of the next bitstream + */ + + if(vf->ready_state!=INITSET){ + int link,ret; + + if(vf->ready_stateseekable){ + vf->current_serialno=ogg_page_serialno(&og); + + /* match the serialno to bitstream section. We use this rather than + offset positions to avoid problems near logical bitstream + boundaries */ + for(link=0;linklinks;link++) + if(vf->serialnos[link]==vf->current_serialno)break; + if(link==vf->links){ + ret=OV_EBADLINK; /* sign of a bogus stream. error out, + leave machine uninitialized */ + goto cleanup; + } + + vf->current_link=link; + ret=_fetch_headers(vf,&vf->vi,&vf->vc,&vf->current_serialno,&og); + if(ret) goto cleanup; + + }else{ + /* we're streaming */ + /* fetch the three header packets, build the info struct */ + + int ret=_fetch_headers(vf,&vf->vi,&vf->vc,&vf->current_serialno,&og); + if(ret) goto cleanup; + vf->current_link++; + } + } + + if(_make_decode_ready(vf)) return OV_EBADLINK; + } + ogg_stream_pagein(vf->os,&og); + } + cleanup: + ogg_packet_release(&op); + ogg_page_release(&og); + return ret; +} + +/* if, eg, 64 bit stdio is configured by default, this will build with + fseek64 */ +static int _fseek64_wrap(FILE *f,ogg_int64_t off,int whence){ + if(f==NULL)return -1; + return fseek(f,(long)off,whence); +} + +static int _ov_open1(void *f,OggVorbis_File *vf,char *initial, + long ibytes, ov_callbacks callbacks){ + int offsettest=(f?callbacks.seek_func(f,0,SEEK_CUR):-1); + int ret; + + memset(vf,0,sizeof(*vf)); + + /* Tremor assumes in multiple places that right shift of a signed + integer is an arithmetic shift */ + if( (-1>>1) != -1) return OV_EIMPL; + + vf->datasource=f; + vf->callbacks = callbacks; + + /* init the framing state */ + vf->oy=ogg_sync_create(); + + /* perhaps some data was previously read into a buffer for testing + against other stream types. Allow initialization from this + previously read data (as we may be reading from a non-seekable + stream) */ + if(initial){ + unsigned char *buffer=ogg_sync_bufferin(vf->oy,ibytes); + memcpy(buffer,initial,ibytes); + ogg_sync_wrote(vf->oy,ibytes); + } + + /* can we seek? Stevens suggests the seek test was portable */ + if(offsettest!=-1)vf->seekable=1; + + /* No seeking yet; Set up a 'single' (current) logical bitstream + entry for partial open */ + vf->links=1; + vf->os=ogg_stream_create(-1); /* fill in the serialno later */ + + /* Try to fetch the headers, maintaining all the storage */ + if((ret=_fetch_headers(vf,&vf->vi,&vf->vc,&vf->current_serialno,NULL))<0){ + vf->datasource=NULL; + ov_clear(vf); + }else if(vf->ready_state < PARTOPEN) + vf->ready_state=PARTOPEN; + return ret; +} + +static int _ov_open2(OggVorbis_File *vf){ + if(vf->ready_state < OPENED) + vf->ready_state=OPENED; + if(vf->seekable){ + int ret=_open_seekable2(vf); + if(ret){ + vf->datasource=NULL; + ov_clear(vf); + } + return ret; + } + return 0; +} + + +/* clear out the OggVorbis_File struct */ +int ov_clear(OggVorbis_File *vf){ + if(vf){ + vorbis_dsp_destroy(vf->vd); + vf->vd=0; + ogg_stream_destroy(vf->os); + vorbis_info_clear(&vf->vi); + vorbis_comment_clear(&vf->vc); + if(vf->dataoffsets)_ogg_free(vf->dataoffsets); + if(vf->pcmlengths)_ogg_free(vf->pcmlengths); + if(vf->serialnos)_ogg_free(vf->serialnos); + if(vf->offsets)_ogg_free(vf->offsets); + ogg_sync_destroy(vf->oy); + + if(vf->datasource)(vf->callbacks.close_func)(vf->datasource); + memset(vf,0,sizeof(*vf)); + } +#ifdef DEBUG_LEAKS + _VDBG_dump(); +#endif + return 0; +} + +/* inspects the OggVorbis file and finds/documents all the logical + bitstreams contained in it. Tries to be tolerant of logical + bitstream sections that are truncated/woogie. + + return: -1) error + 0) OK +*/ + +int ov_open_callbacks(void *f,OggVorbis_File *vf,char *initial,long ibytes, + ov_callbacks callbacks){ + int ret=_ov_open1(f,vf,initial,ibytes,callbacks); + if(ret)return ret; + return _ov_open2(vf); +} + +int ov_open(FILE *f,OggVorbis_File *vf,char *initial,long ibytes){ + ov_callbacks callbacks = { + (size_t (*)(void *, size_t, size_t, void *)) fread, + (int (*)(void *, ogg_int64_t, int)) _fseek64_wrap, + (int (*)(void *)) fclose, + (long (*)(void *)) ftell + }; + + return ov_open_callbacks((void *)f, vf, initial, ibytes, callbacks); +} + +/* Only partially open the vorbis file; test for Vorbisness, and load + the headers for the first chain. Do not seek (although test for + seekability). Use ov_test_open to finish opening the file, else + ov_clear to close/free it. Same return codes as open. */ + +int ov_test_callbacks(void *f,OggVorbis_File *vf,char *initial,long ibytes, + ov_callbacks callbacks) +{ + return _ov_open1(f,vf,initial,ibytes,callbacks); +} + +int ov_test(FILE *f,OggVorbis_File *vf,char *initial,long ibytes){ + ov_callbacks callbacks = { + (size_t (*)(void *, size_t, size_t, void *)) fread, + (int (*)(void *, ogg_int64_t, int)) _fseek64_wrap, + (int (*)(void *)) fclose, + (long (*)(void *)) ftell + }; + + return ov_test_callbacks((void *)f, vf, initial, ibytes, callbacks); +} + +int ov_test_open(OggVorbis_File *vf){ + if(vf->ready_state!=PARTOPEN)return OV_EINVAL; + return _ov_open2(vf); +} + +/* How many logical bitstreams in this physical bitstream? */ +long ov_streams(OggVorbis_File *vf){ + return vf->links; +} + +/* Is the FILE * associated with vf seekable? */ +long ov_seekable(OggVorbis_File *vf){ + return vf->seekable; +} + +/* returns the bitrate for a given logical bitstream or the entire + physical bitstream. If the file is open for random access, it will + find the *actual* average bitrate. If the file is streaming, it + returns the nominal bitrate (if set) else the average of the + upper/lower bounds (if set) else -1 (unset). + + If you want the actual bitrate field settings, get them from the + vorbis_info structs */ + +long ov_bitrate(OggVorbis_File *vf,int i){ + if(vf->ready_state=vf->links)return OV_EINVAL; + if(!vf->seekable && i!=0)return ov_bitrate(vf,0); + if(i<0){ + ogg_int64_t bits=0; + int i; + for(i=0;ilinks;i++) + bits+=(vf->offsets[i+1]-vf->dataoffsets[i])*8; + /* This once read: return(rint(bits/ov_time_total(vf,-1))); + * gcc 3.x on x86 miscompiled this at optimisation level 2 and above, + * so this is slightly transformed to make it work. + */ + return (long)(bits*1000/ov_time_total(vf,-1)); + }else{ + if(vf->seekable){ + /* return the actual bitrate */ + return (long)((vf->offsets[i+1]-vf->dataoffsets[i])*8000/ov_time_total(vf,i)); + }else{ + /* return nominal if set */ + if(vf->vi.bitrate_nominal>0){ + return vf->vi.bitrate_nominal; + }else{ + if(vf->vi.bitrate_upper>0){ + if(vf->vi.bitrate_lower>0){ + return (vf->vi.bitrate_upper+vf->vi.bitrate_lower)/2; + }else{ + return vf->vi.bitrate_upper; + } + } + return OV_FALSE; + } + } + } +} + +/* returns the actual bitrate since last call. returns -1 if no + additional data to offer since last call (or at beginning of stream), + EINVAL if stream is only partially open +*/ +long ov_bitrate_instant(OggVorbis_File *vf){ + long ret; + if(vf->ready_statesamptrack==0)return OV_FALSE; + ret=(long)(vf->bittrack/vf->samptrack*vf->vi.rate); + vf->bittrack=0; + vf->samptrack=0; + return ret; +} + +/* Guess */ +long ov_serialnumber(OggVorbis_File *vf,int i){ + if(i>=vf->links)return ov_serialnumber(vf,vf->links-1); + if(!vf->seekable && i>=0)return ov_serialnumber(vf,-1); + if(i<0){ + return vf->current_serialno; + }else{ + return vf->serialnos[i]; + } +} + +/* returns: total raw (compressed) length of content if i==-1 + raw (compressed) length of that logical bitstream for i==0 to n + OV_EINVAL if the stream is not seekable (we can't know the length) + or if stream is only partially open +*/ +ogg_int64_t ov_raw_total(OggVorbis_File *vf,int i){ + if(vf->ready_stateseekable || i>=vf->links)return OV_EINVAL; + if(i<0){ + ogg_int64_t acc=0; + int i; + for(i=0;ilinks;i++) + acc+=ov_raw_total(vf,i); + return acc; + }else{ + return vf->offsets[i+1]-vf->offsets[i]; + } +} + +/* returns: total PCM length (samples) of content if i==-1 PCM length + (samples) of that logical bitstream for i==0 to n + OV_EINVAL if the stream is not seekable (we can't know the + length) or only partially open +*/ +ogg_int64_t ov_pcm_total(OggVorbis_File *vf,int i){ + if(vf->ready_stateseekable || i>=vf->links)return OV_EINVAL; + if(i<0){ + ogg_int64_t acc=0; + int i; + for(i=0;ilinks;i++) + acc+=ov_pcm_total(vf,i); + return acc; + }else{ + return vf->pcmlengths[i*2+1]; + } +} + +/* returns: total milliseconds of content if i==-1 + milliseconds in that logical bitstream for i==0 to n + OV_EINVAL if the stream is not seekable (we can't know the + length) or only partially open +*/ +ogg_int64_t ov_time_total(OggVorbis_File *vf,int i){ + if(vf->ready_stateseekable || i>=vf->links)return OV_EINVAL; + if(i<0){ + ogg_int64_t acc=0; + int i; + for(i=0;ilinks;i++) + acc+=ov_time_total(vf,i); + return acc; + }else{ + return ((ogg_int64_t)vf->pcmlengths[i*2+1])*1000/vf->vi.rate; + } +} + +/* seek to an offset relative to the *compressed* data. This also + scans packets to update the PCM cursor. It will cross a logical + bitstream boundary, but only if it can't get any packets out of the + tail of the bitstream we seek to (so no surprises). + + returns zero on success, nonzero on failure */ + +int ov_raw_seek(OggVorbis_File *vf,ogg_int64_t pos){ + ogg_stream_state *work_os=NULL; + ogg_page og={0,0,0,0}; + ogg_packet op={0,0,0,0,0,0}; + + if(vf->ready_stateseekable) + return OV_ENOSEEK; /* don't dump machine if we can't seek */ + + if(pos<0 || pos>vf->end)return OV_EINVAL; + + /* don't yet clear out decoding machine (if it's initialized), in + the case we're in the same link. Restart the decode lapping, and + let _fetch_and_process_packet deal with a potential bitstream + boundary */ + vf->pcm_offset=-1; + ogg_stream_reset_serialno(vf->os, + vf->current_serialno); /* must set serialno */ + vorbis_dsp_restart(vf->vd); + + _seek_helper(vf,pos); + + /* we need to make sure the pcm_offset is set, but we don't want to + advance the raw cursor past good packets just to get to the first + with a granulepos. That's not equivalent behavior to beginning + decoding as immediately after the seek position as possible. + + So, a hack. We use two stream states; a local scratch state and + the shared vf->os stream state. We use the local state to + scan, and the shared state as a buffer for later decode. + + Unfortuantely, on the last page we still advance to last packet + because the granulepos on the last page is not necessarily on a + packet boundary, and we need to make sure the granpos is + correct. + */ + + { + int lastblock=0; + int accblock=0; + int thisblock; + int eosflag; + + work_os=ogg_stream_create(vf->current_serialno); /* get the memory ready */ + while(1){ + if(vf->ready_state>=STREAMSET){ + /* snarf/scan a packet if we can */ + int result=ogg_stream_packetout(work_os,&op); + + if(result>0){ + + if(vf->vi.codec_setup){ + thisblock=vorbis_packet_blocksize(&vf->vi,&op); + if(thisblock<0){ + ogg_stream_packetout(vf->os,NULL); + thisblock=0; + }else{ + + if(eosflag) + ogg_stream_packetout(vf->os,NULL); + else + if(lastblock)accblock+=(lastblock+thisblock)>>2; + } + + if(op.granulepos!=-1){ + int i,link=vf->current_link; + ogg_int64_t granulepos=op.granulepos-vf->pcmlengths[link*2]; + if(granulepos<0)granulepos=0; + + for(i=0;ipcmlengths[i*2+1]; + vf->pcm_offset=granulepos-accblock; + break; + } + lastblock=thisblock; + continue; + }else + ogg_stream_packetout(vf->os,NULL); + } + } + + if(!lastblock){ + if(_get_next_page(vf,&og,-1)<0){ + vf->pcm_offset=ov_pcm_total(vf,-1); + break; + } + }else{ + /* huh? Bogus stream with packets but no granulepos */ + vf->pcm_offset=-1; + break; + } + + /* did we just grab a page from other than current link? */ + if(vf->ready_state>=STREAMSET) + if(vf->current_serialno!=ogg_page_serialno(&og)){ + _decode_clear(vf); /* clear out stream state */ + ogg_stream_destroy(work_os); + } + + if(vf->ready_statecurrent_serialno=ogg_page_serialno(&og); + for(link=0;linklinks;link++) + if(vf->serialnos[link]==vf->current_serialno)break; + if(link==vf->links) + goto seek_error; /* sign of a bogus stream. error out, + leave machine uninitialized */ + + /* need to initialize machine to this link */ + { + int ret=_set_link_number_preserve_pos(vf,link); + if(ret) goto seek_error; + } + ogg_stream_reset_serialno(vf->os,vf->current_serialno); + ogg_stream_reset_serialno(work_os,vf->current_serialno); + + + } + + { + ogg_page dup; + ogg_page_dup(&dup,&og); + eosflag=ogg_page_eos(&og); + ogg_stream_pagein(vf->os,&og); + ogg_stream_pagein(work_os,&dup); + } + } + } + + ogg_packet_release(&op); + ogg_page_release(&og); + ogg_stream_destroy(work_os); + vf->bittrack=0; + vf->samptrack=0; + return 0; + + seek_error: + ogg_packet_release(&op); + ogg_page_release(&og); + + /* dump the machine so we're in a known state */ + vf->pcm_offset=-1; + ogg_stream_destroy(work_os); + _decode_clear(vf); + return OV_EBADLINK; +} + +/* Page granularity seek (faster than sample granularity because we + don't do the last bit of decode to find a specific sample). + + Seek to the last [granule marked] page preceeding the specified pos + location, such that decoding past the returned point will quickly + arrive at the requested position. */ +int ov_pcm_seek_page(OggVorbis_File *vf,ogg_int64_t pos){ + int link=-1; + ogg_int64_t result=0; + ogg_int64_t total=ov_pcm_total(vf,-1); + ogg_page og={0,0,0,0}; + ogg_packet op={0,0,0,0,0,0}; + + if(vf->ready_stateseekable)return OV_ENOSEEK; + if(pos<0 || pos>total)return OV_EINVAL; + + /* which bitstream section does this pcm offset occur in? */ + for(link=vf->links-1;link>=0;link--){ + total-=vf->pcmlengths[link*2+1]; + if(pos>=total)break; + } + + + if(link!=vf->current_link){ + int ret=_set_link_number(vf,link); + if(ret) goto seek_error; + }else{ + vorbis_dsp_restart(vf->vd); + } + + ogg_stream_reset_serialno(vf->os,vf->serialnos[link]); + + /* search within the logical bitstream for the page with the highest + pcm_pos preceeding (or equal to) pos. There is a danger here; + missing pages or incorrect frame number information in the + bitstream could make our task impossible. Account for that (it + would be an error condition) */ + + /* new search algorithm by HB (Nicholas Vinen) */ + { + ogg_int64_t end=vf->offsets[link+1]; + ogg_int64_t begin=vf->offsets[link]; + ogg_int64_t begintime = vf->pcmlengths[link*2]; + ogg_int64_t endtime = vf->pcmlengths[link*2+1]+begintime; + ogg_int64_t target=pos-total+begintime; + ogg_int64_t best=begin; + + while(beginoffset); + if(result==OV_EREAD) goto seek_error; + if(result<0){ + if(bisect<=begin+1) + end=begin; /* found it */ + else{ + if(bisect==0) goto seek_error; + bisect-=CHUNKSIZE; + if(bisect<=begin)bisect=begin+1; + _seek_helper(vf,bisect); + } + }else{ + ogg_int64_t granulepos=ogg_page_granulepos(&og); + if(granulepos==-1)continue; + if(granuleposoffset; /* raw offset of next page */ + begintime=granulepos; + + if(target-begintime>44100)break; + bisect=begin; /* *not* begin + 1 */ + }else{ + if(bisect<=begin+1) + end=begin; /* found it */ + else{ + if(end==vf->offset){ /* we're pretty close - we'd be stuck in */ + end=result; + bisect-=CHUNKSIZE; /* an endless loop otherwise. */ + if(bisect<=begin)bisect=begin+1; + _seek_helper(vf,bisect); + }else{ + end=result; + endtime=granulepos; + break; + } + } + } + } + } + } + + /* found our page. seek to it, update pcm offset. Easier case than + raw_seek, don't keep packets preceeding granulepos. */ + { + + /* seek */ + _seek_helper(vf,best); + vf->pcm_offset=-1; + + if(_get_next_page(vf,&og,-1)<0){ + ogg_page_release(&og); + return OV_EOF; /* shouldn't happen */ + } + + ogg_stream_pagein(vf->os,&og); + + /* pull out all but last packet; the one with granulepos */ + while(1){ + result=ogg_stream_packetpeek(vf->os,&op); + if(result==0){ + /* !!! the packet finishing this page originated on a + preceeding page. Keep fetching previous pages until we + get one with a granulepos or without the 'continued' flag + set. Then just use raw_seek for simplicity. */ + + _seek_helper(vf,best); + + while(1){ + result=_get_prev_page(vf,&og); + if(result<0) goto seek_error; + if(ogg_page_granulepos(&og)>-1 || + !ogg_page_continued(&og)){ + return ov_raw_seek(vf,result); + } + vf->offset=result; + } + } + if(result<0){ + result = OV_EBADPACKET; + goto seek_error; + } + if(op.granulepos!=-1){ + vf->pcm_offset=op.granulepos-vf->pcmlengths[vf->current_link*2]; + if(vf->pcm_offset<0)vf->pcm_offset=0; + vf->pcm_offset+=total; + break; + }else + result=ogg_stream_packetout(vf->os,NULL); + } + } + } + + /* verify result */ + if(vf->pcm_offset>pos || pos>ov_pcm_total(vf,-1)){ + result=OV_EFAULT; + goto seek_error; + } + vf->bittrack=0; + vf->samptrack=0; + + ogg_page_release(&og); + ogg_packet_release(&op); + return 0; + + seek_error: + + ogg_page_release(&og); + ogg_packet_release(&op); + + /* dump machine so we're in a known state */ + vf->pcm_offset=-1; + _decode_clear(vf); + return (int)result; +} + +/* seek to a sample offset relative to the decompressed pcm stream + returns zero on success, nonzero on failure */ + +int ov_pcm_seek(OggVorbis_File *vf,ogg_int64_t pos){ + ogg_packet op={0,0,0,0,0,0}; + ogg_page og={0,0,0,0}; + int thisblock,lastblock=0; + int ret=ov_pcm_seek_page(vf,pos); + if(ret<0)return ret; + if(_make_decode_ready(vf))return OV_EBADLINK; + + /* discard leading packets we don't need for the lapping of the + position we want; don't decode them */ + + while(1){ + + int ret=ogg_stream_packetpeek(vf->os,&op); + if(ret>0){ + thisblock=vorbis_packet_blocksize(&vf->vi,&op); + if(thisblock<0){ + ogg_stream_packetout(vf->os,NULL); + continue; /* non audio packet */ + } + if(lastblock)vf->pcm_offset+=(lastblock+thisblock)>>2; + + if(vf->pcm_offset+((thisblock+ + vorbis_info_blocksize(&vf->vi,1))>>2)>=pos)break; + + /* remove the packet from packet queue and track its granulepos */ + ogg_stream_packetout(vf->os,NULL); + vorbis_dsp_synthesis(vf->vd,&op,0); /* set up a vb with + only tracking, no + pcm_decode */ + + /* end of logical stream case is hard, especially with exact + length positioning. */ + + if(op.granulepos>-1){ + int i; + /* always believe the stream markers */ + vf->pcm_offset=op.granulepos-vf->pcmlengths[vf->current_link*2]; + if(vf->pcm_offset<0)vf->pcm_offset=0; + for(i=0;icurrent_link;i++) + vf->pcm_offset+=vf->pcmlengths[i*2+1]; + } + + lastblock=thisblock; + + }else{ + if(ret<0 && ret!=OV_HOLE)break; + + /* suck in a new page */ + if(_get_next_page(vf,&og,-1)<0)break; + if(vf->current_serialno!=ogg_page_serialno(&og))_decode_clear(vf); + + if(vf->ready_statecurrent_serialno=ogg_page_serialno(&og); + for(link=0;linklinks;link++) + if(vf->serialnos[link]==vf->current_serialno)break; + if(link==vf->links){ + ogg_page_release(&og); + ogg_packet_release(&op); + return OV_EBADLINK; + } + + + vf->current_link=link; + ret=_fetch_headers(vf,&vf->vi,&vf->vc,&vf->current_serialno,&og); + if(ret) return ret; + if(_make_decode_ready(vf))return OV_EBADLINK; + lastblock=0; + } + + ogg_stream_pagein(vf->os,&og); + } + } + + vf->bittrack=0; + vf->samptrack=0; + /* discard samples until we reach the desired position. Crossing a + logical bitstream boundary with abandon is OK. */ + while(vf->pcm_offsetpcm_offset; + long samples=vorbis_dsp_pcmout(vf->vd,NULL,0); + + if(samples>target)samples=(long)target; + vorbis_dsp_read(vf->vd,samples); + vf->pcm_offset+=samples; + + if(samplespcm_offset=ov_pcm_total(vf,-1); /* eof */ + } + + ogg_page_release(&og); + ogg_packet_release(&op); + return 0; +} + +/* seek to a playback time relative to the decompressed pcm stream + returns zero on success, nonzero on failure */ +int ov_time_seek(OggVorbis_File *vf,ogg_int64_t milliseconds){ + /* translate time to PCM position and call ov_pcm_seek */ + + int link=-1; + ogg_int64_t pcm_total=ov_pcm_total(vf,-1); + ogg_int64_t time_total=ov_time_total(vf,-1); + + if(vf->ready_stateseekable)return OV_ENOSEEK; + if(milliseconds<0 || milliseconds>time_total)return OV_EINVAL; + + /* which bitstream section does this time offset occur in? */ + for(link=vf->links-1;link>=0;link--){ + pcm_total-=vf->pcmlengths[link*2+1]; + time_total-=ov_time_total(vf,link); + if(milliseconds>=time_total)break; + } + + /* enough information to convert time offset to pcm offset */ + { + int ret=_set_link_number(vf,link); + if(ret)return ret; + return + ov_pcm_seek(vf,pcm_total+(milliseconds-time_total)* + vf->vi.rate/1000); + } +} + +/* page-granularity version of ov_time_seek + returns zero on success, nonzero on failure */ +int ov_time_seek_page(OggVorbis_File *vf,ogg_int64_t milliseconds){ + /* translate time to PCM position and call ov_pcm_seek */ + + int link=-1; + ogg_int64_t pcm_total=ov_pcm_total(vf,-1); + ogg_int64_t time_total=ov_time_total(vf,-1); + + if(vf->ready_stateseekable)return OV_ENOSEEK; + if(milliseconds<0 || milliseconds>time_total)return OV_EINVAL; + + /* which bitstream section does this time offset occur in? */ + for(link=vf->links-1;link>=0;link--){ + pcm_total-=vf->pcmlengths[link*2+1]; + time_total-=ov_time_total(vf,link); + if(milliseconds>=time_total)break; + } + + /* enough information to convert time offset to pcm offset */ + { + int ret=_set_link_number(vf,link); + if(ret)return ret; + return + ov_pcm_seek_page(vf,pcm_total+(milliseconds-time_total)* + vf->vi.rate/1000); + } +} + +/* tell the current stream offset cursor. Note that seek followed by + tell will likely not give the set offset due to caching */ +ogg_int64_t ov_raw_tell(OggVorbis_File *vf){ + if(vf->ready_stateoffset; +} + +/* return PCM offset (sample) of next PCM sample to be read */ +ogg_int64_t ov_pcm_tell(OggVorbis_File *vf){ + if(vf->ready_statepcm_offset; +} + +/* return time offset (milliseconds) of next PCM sample to be read */ +ogg_int64_t ov_time_tell(OggVorbis_File *vf){ + int link=0; + ogg_int64_t pcm_total=0; + ogg_int64_t time_total=0; + + if(vf->ready_stateseekable){ + pcm_total=ov_pcm_total(vf,-1); + time_total=ov_time_total(vf,-1); + + /* which bitstream section does this time offset occur in? */ + for(link=vf->links-1;link>=0;link--){ + pcm_total-=vf->pcmlengths[link*2+1]; + time_total-=ov_time_total(vf,link); + if(vf->pcm_offset>=pcm_total)break; + } + } + + return time_total+(1000*vf->pcm_offset-pcm_total)/vf->vi.rate; +} + +/* link: -1) return the vorbis_info struct for the bitstream section + currently being decoded + 0-n) to request information for a specific bitstream section + + In the case of a non-seekable bitstream, any call returns the + current bitstream. NULL in the case that the machine is not + initialized */ + +vorbis_info *ov_info(OggVorbis_File *vf,int link){ + if(vf->seekable){ + if(link>=vf->links)return NULL; + if(link>=0){ + int ret=_set_link_number_preserve_pos(vf,link); + if(ret)return NULL; + } + } + return &vf->vi; +} + +/* grr, strong typing, grr, no templates/inheritence, grr */ +vorbis_comment *ov_comment(OggVorbis_File *vf,int link){ + if(vf->seekable){ + if(link>=vf->links)return NULL; + if(link>=0){ + int ret=_set_link_number_preserve_pos(vf,link); + if(ret)return NULL; + } + } + return &vf->vc; +} + +/* up to this point, everything could more or less hide the multiple + logical bitstream nature of chaining from the toplevel application + if the toplevel application didn't particularly care. However, at + the point that we actually read audio back, the multiple-section + nature must surface: Multiple bitstream sections do not necessarily + have to have the same number of channels or sampling rate. + + ov_read returns the sequential logical bitstream number currently + being decoded along with the PCM data in order that the toplevel + application can take action on channel/sample rate changes. This + number will be incremented even for streamed (non-seekable) streams + (for seekable streams, it represents the actual logical bitstream + index within the physical bitstream. Note that the accessor + functions above are aware of this dichotomy). + + input values: buffer) a buffer to hold packed PCM data for return + length) the byte length requested to be placed into buffer + + return values: <0) error/hole in data (OV_HOLE), partial open (OV_EINVAL) + 0) EOF + n) number of bytes of PCM actually returned. The + below works on a packet-by-packet basis, so the + return length is not related to the 'length' passed + in, just guaranteed to fit. + + *section) set to the logical bitstream number */ + +long ov_read(OggVorbis_File *vf,void *buffer,int bytes_req,int *bitstream){ + + long samples; + long channels; + + if(vf->ready_stateready_state==INITSET){ + channels=vf->vi.channels; + samples=vorbis_dsp_pcmout(vf->vd,buffer,(bytes_req>>1)/channels); + if(samples){ + if(samples>0){ + vorbis_dsp_read(vf->vd,samples); + vf->pcm_offset+=samples; + if(bitstream)*bitstream=vf->current_link; + return samples*2*channels; + } + return samples; + } + } + + /* suck in another packet */ + { + int ret=_fetch_and_process_packet(vf,1,1); + if(ret==OV_EOF) + return 0; + if(ret<=0) + return ret; + } + + } +} diff --git a/sources/tremolo/Tremolo/window_lookup.h b/sources/tremolo/Tremolo/window_lookup.h new file mode 100644 index 00000000..db3593d5 --- /dev/null +++ b/sources/tremolo/Tremolo/window_lookup.h @@ -0,0 +1,2107 @@ +/************************************************************************ + * Copyright (C) 2002-2009, Xiph.org Foundation + * Copyright (C) 2010, Robin Watts for Pinknoise Productions Ltd + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above + * copyright notice, this list of conditions and the following disclaimer + * in the documentation and/or other materials provided with the + * distribution. + * * Neither the names of the Xiph.org Foundation nor Pinknoise + * Productions Ltd nor the names of its contributors may be used to + * endorse or promote products derived from this software without + * specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + ************************************************************************ + + function: window lookup tables + + ************************************************************************/ + + +#include "os_types.h" + +static LOOKUP_T vwin64[32] = { + X(0x001f0003), X(0x01168c98), X(0x030333c8), X(0x05dfe3a4), + X(0x09a49562), X(0x0e45df18), X(0x13b47ef2), X(0x19dcf676), + X(0x20a74d83), X(0x27f7137c), X(0x2fabb05a), X(0x37a1105a), + X(0x3fb0ab28), X(0x47b2dcd1), X(0x4f807bc6), X(0x56f48e70), + X(0x5dedfc79), X(0x64511653), X(0x6a08cfff), X(0x6f079328), + X(0x734796f4), X(0x76cab7f2), X(0x7999d6e8), X(0x7bc3cf9f), + X(0x7d5c20c1), X(0x7e7961df), X(0x7f33a567), X(0x7fa2e1d0), + X(0x7fdd78a5), X(0x7ff6ec6d), X(0x7ffed0e9), X(0x7ffffc3f), +}; + +static LOOKUP_T vwin128[64] = { + X(0x0007c04d), X(0x0045bb89), X(0x00c18b87), X(0x017ae294), + X(0x02714a4e), X(0x03a4217a), X(0x05129952), X(0x06bbb24f), + X(0x089e38a1), X(0x0ab8c073), X(0x0d09a228), X(0x0f8ef6bd), + X(0x12469488), X(0x152e0c7a), X(0x1842a81c), X(0x1b81686d), + X(0x1ee705d9), X(0x226ff15d), X(0x26185705), X(0x29dc21cc), + X(0x2db700fe), X(0x31a46f08), X(0x359fb9c1), X(0x39a40c0c), + X(0x3dac78b6), X(0x41b40674), X(0x45b5bcb0), X(0x49acb109), + X(0x4d94152b), X(0x516744bd), X(0x5521d320), X(0x58bf98a5), + X(0x5c3cbef4), X(0x5f95cc5d), X(0x62c7add7), X(0x65cfbf64), + X(0x68abd2ba), X(0x6b5a3405), X(0x6dd9acab), X(0x7029840d), + X(0x72497e38), X(0x7439d8ac), X(0x75fb4532), X(0x778ee30a), + X(0x78f6367e), X(0x7a331f1a), X(0x7b47cccd), X(0x7c36b416), + X(0x7d028192), X(0x7dae0d18), X(0x7e3c4caa), X(0x7eb04763), + X(0x7f0d08a7), X(0x7f5593b7), X(0x7f8cd7d5), X(0x7fb5a513), + X(0x7fd2a1fc), X(0x7fe64212), X(0x7ff2bd4c), X(0x7ffa0890), + X(0x7ffdcf39), X(0x7fff6dac), X(0x7fffed01), X(0x7fffffc4), +}; + +static LOOKUP_T vwin256[128] = { + X(0x0001f018), X(0x00117066), X(0x00306e9e), X(0x005ee5f1), + X(0x009ccf26), X(0x00ea208b), X(0x0146cdea), X(0x01b2c87f), + X(0x022dfedf), X(0x02b85ced), X(0x0351cbbd), X(0x03fa317f), + X(0x04b17167), X(0x05776b90), X(0x064bfcdc), X(0x072efedd), + X(0x082047b4), X(0x091fa9f1), X(0x0a2cf477), X(0x0b47f25d), + X(0x0c706ad2), X(0x0da620ff), X(0x0ee8d3ef), X(0x10383e75), + X(0x11941716), X(0x12fc0ff6), X(0x146fd6c8), X(0x15ef14c2), + X(0x17796e8e), X(0x190e844f), X(0x1aadf196), X(0x1c574d6e), + X(0x1e0a2a62), X(0x1fc61688), X(0x218a9b9c), X(0x23573f12), + X(0x252b823d), X(0x2706e269), X(0x28e8d913), X(0x2ad0dc0e), + X(0x2cbe5dc1), X(0x2eb0cd60), X(0x30a79733), X(0x32a224d5), + X(0x349fdd8b), X(0x36a02690), X(0x38a2636f), X(0x3aa5f65e), + X(0x3caa409e), X(0x3eaea2df), X(0x40b27da6), X(0x42b531b8), + X(0x44b62086), X(0x46b4ac99), X(0x48b03a05), X(0x4aa82ed5), + X(0x4c9bf37d), X(0x4e8af349), X(0x50749ccb), X(0x52586246), + X(0x5435ba1c), X(0x560c1f31), X(0x57db1152), X(0x59a21591), + X(0x5b60b6a3), X(0x5d168535), X(0x5ec31839), X(0x60660d36), + X(0x61ff0886), X(0x638db595), X(0x6511c717), X(0x668af734), + X(0x67f907b0), X(0x695bc207), X(0x6ab2f787), X(0x6bfe815a), + X(0x6d3e4090), X(0x6e721e16), X(0x6f9a0ab5), X(0x70b5fef8), + X(0x71c5fb16), X(0x72ca06cd), X(0x73c2313d), X(0x74ae90b2), + X(0x758f4275), X(0x76646a85), X(0x772e335c), X(0x77eccda0), + X(0x78a06fd7), X(0x79495613), X(0x79e7c19c), X(0x7a7bf894), + X(0x7b064596), X(0x7b86f757), X(0x7bfe6044), X(0x7c6cd615), + X(0x7cd2b16e), X(0x7d304d71), X(0x7d860756), X(0x7dd43e06), + X(0x7e1b51ad), X(0x7e5ba355), X(0x7e95947e), X(0x7ec986bb), + X(0x7ef7db4a), X(0x7f20f2b9), X(0x7f452c7f), X(0x7f64e6a7), + X(0x7f807d71), X(0x7f984aff), X(0x7faca700), X(0x7fbde662), + X(0x7fcc5b04), X(0x7fd85372), X(0x7fe21a99), X(0x7fe9f791), + X(0x7ff02d58), X(0x7ff4fa9e), X(0x7ff89990), X(0x7ffb3faa), + X(0x7ffd1d8b), X(0x7ffe5ecc), X(0x7fff29e0), X(0x7fff9ff3), + X(0x7fffdcd2), X(0x7ffff6d6), X(0x7ffffed0), X(0x7ffffffc), +}; + +static LOOKUP_T vwin512[256] = { + X(0x00007c06), X(0x00045c32), X(0x000c1c62), X(0x0017bc4c), + X(0x00273b7a), X(0x003a9955), X(0x0051d51c), X(0x006cede7), + X(0x008be2a9), X(0x00aeb22a), X(0x00d55b0d), X(0x00ffdbcc), + X(0x012e32b6), X(0x01605df5), X(0x01965b85), X(0x01d02939), + X(0x020dc4ba), X(0x024f2b83), X(0x02945ae6), X(0x02dd5004), + X(0x032a07d3), X(0x037a7f19), X(0x03ceb26e), X(0x04269e37), + X(0x04823eab), X(0x04e18fcc), X(0x05448d6d), X(0x05ab3329), + X(0x06157c68), X(0x0683645e), X(0x06f4e607), X(0x0769fc25), + X(0x07e2a146), X(0x085ecfbc), X(0x08de819f), X(0x0961b0cc), + X(0x09e856e3), X(0x0a726d46), X(0x0affed1d), X(0x0b90cf4c), + X(0x0c250c79), X(0x0cbc9d0b), X(0x0d577926), X(0x0df598aa), + X(0x0e96f337), X(0x0f3b8026), X(0x0fe3368f), X(0x108e0d42), + X(0x113bfaca), X(0x11ecf56b), X(0x12a0f324), X(0x1357e9ac), + X(0x1411ce70), X(0x14ce9698), X(0x158e3702), X(0x1650a444), + X(0x1715d2aa), X(0x17ddb638), X(0x18a842aa), X(0x19756b72), + X(0x1a4523b9), X(0x1b175e62), X(0x1bec0e04), X(0x1cc324f0), + X(0x1d9c9532), X(0x1e78508a), X(0x1f564876), X(0x20366e2e), + X(0x2118b2a2), X(0x21fd0681), X(0x22e35a37), X(0x23cb9dee), + X(0x24b5c18e), X(0x25a1b4c0), X(0x268f66f1), X(0x277ec74e), + X(0x286fc4cc), X(0x29624e23), X(0x2a5651d7), X(0x2b4bbe34), + X(0x2c428150), X(0x2d3a8913), X(0x2e33c332), X(0x2f2e1d35), + X(0x30298478), X(0x3125e62d), X(0x32232f61), X(0x33214cfc), + X(0x34202bc2), X(0x351fb85a), X(0x361fdf4f), X(0x37208d10), + X(0x3821adf7), X(0x39232e49), X(0x3a24fa3c), X(0x3b26fdf6), + X(0x3c292593), X(0x3d2b5d29), X(0x3e2d90c8), X(0x3f2fac7f), + X(0x40319c5f), X(0x41334c81), X(0x4234a905), X(0x43359e16), + X(0x443617f3), X(0x453602eb), X(0x46354b65), X(0x4733dde1), + X(0x4831a6ff), X(0x492e937f), X(0x4a2a9045), X(0x4b258a5f), + X(0x4c1f6f06), X(0x4d182ba2), X(0x4e0fadce), X(0x4f05e35b), + X(0x4ffaba53), X(0x50ee20fd), X(0x51e005e1), X(0x52d057ca), + X(0x53bf05ca), X(0x54abff3b), X(0x559733c7), X(0x56809365), + X(0x57680e62), X(0x584d955d), X(0x59311952), X(0x5a128b96), + X(0x5af1dddd), X(0x5bcf023a), X(0x5ca9eb27), X(0x5d828b81), + X(0x5e58d68d), X(0x5f2cbffc), X(0x5ffe3be9), X(0x60cd3edf), + X(0x6199bdda), X(0x6263ae45), X(0x632b0602), X(0x63efbb66), + X(0x64b1c53f), X(0x65711ad0), X(0x662db3d7), X(0x66e7888d), + X(0x679e91a5), X(0x6852c84e), X(0x69042635), X(0x69b2a582), + X(0x6a5e40dd), X(0x6b06f36c), X(0x6bacb8d2), X(0x6c4f8d30), + X(0x6cef6d26), X(0x6d8c55d4), X(0x6e2644d4), X(0x6ebd3840), + X(0x6f512ead), X(0x6fe2272e), X(0x7070214f), X(0x70fb1d17), + X(0x71831b06), X(0x72081c16), X(0x728a21b5), X(0x73092dc8), + X(0x738542a6), X(0x73fe631b), X(0x74749261), X(0x74e7d421), + X(0x75582c72), X(0x75c59fd5), X(0x76303333), X(0x7697ebdd), + X(0x76fccf85), X(0x775ee443), X(0x77be308a), X(0x781abb2e), + X(0x78748b59), X(0x78cba88e), X(0x79201aa7), X(0x7971e9cd), + X(0x79c11e79), X(0x7a0dc170), X(0x7a57dbc2), X(0x7a9f76c1), + X(0x7ae49c07), X(0x7b27556b), X(0x7b67ad02), X(0x7ba5ad1b), + X(0x7be1603a), X(0x7c1ad118), X(0x7c520a9e), X(0x7c8717e1), + X(0x7cba0421), X(0x7ceadac3), X(0x7d19a74f), X(0x7d46756e), + X(0x7d7150e5), X(0x7d9a4592), X(0x7dc15f69), X(0x7de6aa71), + X(0x7e0a32c0), X(0x7e2c0479), X(0x7e4c2bc7), X(0x7e6ab4db), + X(0x7e87abe9), X(0x7ea31d24), X(0x7ebd14be), X(0x7ed59edd), + X(0x7eecc7a3), X(0x7f029b21), X(0x7f17255a), X(0x7f2a723f), + X(0x7f3c8daa), X(0x7f4d835d), X(0x7f5d5f00), X(0x7f6c2c1b), + X(0x7f79f617), X(0x7f86c83a), X(0x7f92ada2), X(0x7f9db146), + X(0x7fa7ddf3), X(0x7fb13e46), X(0x7fb9dcb0), X(0x7fc1c36c), + X(0x7fc8fc83), X(0x7fcf91c7), X(0x7fd58cd2), X(0x7fdaf702), + X(0x7fdfd979), X(0x7fe43d1c), X(0x7fe82a8b), X(0x7febaa29), + X(0x7feec412), X(0x7ff1801c), X(0x7ff3e5d6), X(0x7ff5fc86), + X(0x7ff7cb29), X(0x7ff9586f), X(0x7ffaaaba), X(0x7ffbc81e), + X(0x7ffcb660), X(0x7ffd7af3), X(0x7ffe1afa), X(0x7ffe9b42), + X(0x7fff0047), X(0x7fff4e2f), X(0x7fff88c9), X(0x7fffb390), + X(0x7fffd1a6), X(0x7fffe5d7), X(0x7ffff296), X(0x7ffff9fd), + X(0x7ffffdcd), X(0x7fffff6d), X(0x7fffffed), X(0x7fffffff), +}; + +static LOOKUP_T vwin1024[512] = { + X(0x00001f02), X(0x0001170e), X(0x00030724), X(0x0005ef40), + X(0x0009cf59), X(0x000ea767), X(0x0014775e), X(0x001b3f2e), + X(0x0022fec8), X(0x002bb618), X(0x00356508), X(0x00400b81), + X(0x004ba968), X(0x00583ea0), X(0x0065cb0a), X(0x00744e84), + X(0x0083c8ea), X(0x00943a14), X(0x00a5a1da), X(0x00b80010), + X(0x00cb5488), X(0x00df9f10), X(0x00f4df76), X(0x010b1584), + X(0x01224101), X(0x013a61b2), X(0x01537759), X(0x016d81b6), + X(0x01888087), X(0x01a47385), X(0x01c15a69), X(0x01df34e6), + X(0x01fe02b1), X(0x021dc377), X(0x023e76e7), X(0x02601ca9), + X(0x0282b466), X(0x02a63dc1), X(0x02cab85d), X(0x02f023d6), + X(0x03167fcb), X(0x033dcbd3), X(0x03660783), X(0x038f3270), + X(0x03b94c29), X(0x03e4543a), X(0x04104a2e), X(0x043d2d8b), + X(0x046afdd5), X(0x0499ba8c), X(0x04c9632d), X(0x04f9f734), + X(0x052b7615), X(0x055ddf46), X(0x05913237), X(0x05c56e53), + X(0x05fa9306), X(0x06309fb6), X(0x066793c5), X(0x069f6e93), + X(0x06d82f7c), X(0x0711d5d9), X(0x074c60fe), X(0x0787d03d), + X(0x07c422e4), X(0x0801583e), X(0x083f6f91), X(0x087e681f), + X(0x08be4129), X(0x08fef9ea), X(0x0940919a), X(0x0983076d), + X(0x09c65a92), X(0x0a0a8a38), X(0x0a4f9585), X(0x0a957b9f), + X(0x0adc3ba7), X(0x0b23d4b9), X(0x0b6c45ee), X(0x0bb58e5a), + X(0x0bffad0f), X(0x0c4aa11a), X(0x0c966982), X(0x0ce3054d), + X(0x0d30737b), X(0x0d7eb308), X(0x0dcdc2eb), X(0x0e1da21a), + X(0x0e6e4f83), X(0x0ebfca11), X(0x0f1210ad), X(0x0f652238), + X(0x0fb8fd91), X(0x100da192), X(0x10630d11), X(0x10b93ee0), + X(0x111035cb), X(0x1167f09a), X(0x11c06e13), X(0x1219acf5), + X(0x1273abfb), X(0x12ce69db), X(0x1329e54a), X(0x13861cf3), + X(0x13e30f80), X(0x1440bb97), X(0x149f1fd8), X(0x14fe3ade), + X(0x155e0b40), X(0x15be8f92), X(0x161fc662), X(0x1681ae38), + X(0x16e4459b), X(0x17478b0b), X(0x17ab7d03), X(0x181019fb), + X(0x18756067), X(0x18db4eb3), X(0x1941e34a), X(0x19a91c92), + X(0x1a10f8ea), X(0x1a7976af), X(0x1ae29439), X(0x1b4c4fda), + X(0x1bb6a7e2), X(0x1c219a9a), X(0x1c8d2649), X(0x1cf9492e), + X(0x1d660188), X(0x1dd34d8e), X(0x1e412b74), X(0x1eaf996a), + X(0x1f1e959b), X(0x1f8e1e2f), X(0x1ffe3146), X(0x206ecd01), + X(0x20dfef78), X(0x215196c2), X(0x21c3c0f0), X(0x22366c10), + X(0x22a9962a), X(0x231d3d45), X(0x23915f60), X(0x2405fa7a), + X(0x247b0c8c), X(0x24f09389), X(0x25668d65), X(0x25dcf80c), + X(0x2653d167), X(0x26cb175e), X(0x2742c7d0), X(0x27bae09e), + X(0x28335fa2), X(0x28ac42b3), X(0x292587a5), X(0x299f2c48), + X(0x2a192e69), X(0x2a938bd1), X(0x2b0e4247), X(0x2b894f8d), + X(0x2c04b164), X(0x2c806588), X(0x2cfc69b2), X(0x2d78bb9a), + X(0x2df558f4), X(0x2e723f6f), X(0x2eef6cbb), X(0x2f6cde83), + X(0x2fea9270), X(0x30688627), X(0x30e6b74e), X(0x31652385), + X(0x31e3c86b), X(0x3262a39e), X(0x32e1b2b8), X(0x3360f352), + X(0x33e06303), X(0x345fff5e), X(0x34dfc5f8), X(0x355fb462), + X(0x35dfc82a), X(0x365ffee0), X(0x36e0560f), X(0x3760cb43), + X(0x37e15c05), X(0x386205df), X(0x38e2c657), X(0x39639af5), + X(0x39e4813e), X(0x3a6576b6), X(0x3ae678e3), X(0x3b678547), + X(0x3be89965), X(0x3c69b2c1), X(0x3ceacedc), X(0x3d6beb37), + X(0x3ded0557), X(0x3e6e1abb), X(0x3eef28e6), X(0x3f702d5a), + X(0x3ff1259a), X(0x40720f29), X(0x40f2e789), X(0x4173ac3f), + X(0x41f45ad0), X(0x4274f0c2), X(0x42f56b9a), X(0x4375c8e0), + X(0x43f6061d), X(0x447620db), X(0x44f616a5), X(0x4575e509), + X(0x45f58994), X(0x467501d6), X(0x46f44b62), X(0x477363cb), + X(0x47f248a6), X(0x4870f78e), X(0x48ef6e1a), X(0x496da9e8), + X(0x49eba897), X(0x4a6967c8), X(0x4ae6e521), X(0x4b641e47), + X(0x4be110e5), X(0x4c5dbaa7), X(0x4cda193f), X(0x4d562a5f), + X(0x4dd1ebbd), X(0x4e4d5b15), X(0x4ec87623), X(0x4f433aa9), + X(0x4fbda66c), X(0x5037b734), X(0x50b16acf), X(0x512abf0e), + X(0x51a3b1c5), X(0x521c40ce), X(0x52946a06), X(0x530c2b50), + X(0x53838292), X(0x53fa6db8), X(0x5470eab3), X(0x54e6f776), + X(0x555c91fc), X(0x55d1b844), X(0x56466851), X(0x56baa02f), + X(0x572e5deb), X(0x57a19f98), X(0x58146352), X(0x5886a737), + X(0x58f8696d), X(0x5969a81c), X(0x59da6177), X(0x5a4a93b4), + X(0x5aba3d0f), X(0x5b295bcb), X(0x5b97ee30), X(0x5c05f28d), + X(0x5c736738), X(0x5ce04a8d), X(0x5d4c9aed), X(0x5db856c1), + X(0x5e237c78), X(0x5e8e0a89), X(0x5ef7ff6f), X(0x5f6159b0), + X(0x5fca17d4), X(0x6032386e), X(0x6099ba15), X(0x61009b69), + X(0x6166db11), X(0x61cc77b9), X(0x62317017), X(0x6295c2e7), + X(0x62f96eec), X(0x635c72f1), X(0x63becdc8), X(0x64207e4b), + X(0x6481835a), X(0x64e1dbde), X(0x654186c8), X(0x65a0830e), + X(0x65fecfb1), X(0x665c6bb7), X(0x66b95630), X(0x67158e30), + X(0x677112d7), X(0x67cbe34b), X(0x6825feb9), X(0x687f6456), + X(0x68d81361), X(0x69300b1e), X(0x69874ada), X(0x69ddd1ea), + X(0x6a339fab), X(0x6a88b382), X(0x6add0cdb), X(0x6b30ab2a), + X(0x6b838dec), X(0x6bd5b4a6), X(0x6c271ee2), X(0x6c77cc36), + X(0x6cc7bc3d), X(0x6d16ee9b), X(0x6d6562fb), X(0x6db31911), + X(0x6e001099), X(0x6e4c4955), X(0x6e97c311), X(0x6ee27d9f), + X(0x6f2c78d9), X(0x6f75b4a2), X(0x6fbe30e4), X(0x7005ed91), + X(0x704ceaa1), X(0x70932816), X(0x70d8a5f8), X(0x711d6457), + X(0x7161634b), X(0x71a4a2f3), X(0x71e72375), X(0x7228e500), + X(0x7269e7c8), X(0x72aa2c0a), X(0x72e9b209), X(0x73287a12), + X(0x73668476), X(0x73a3d18f), X(0x73e061bc), X(0x741c3566), + X(0x74574cfa), X(0x7491a8ee), X(0x74cb49be), X(0x75042fec), + X(0x753c5c03), X(0x7573ce92), X(0x75aa882f), X(0x75e08979), + X(0x7615d313), X(0x764a65a7), X(0x767e41e5), X(0x76b16884), + X(0x76e3da40), X(0x771597dc), X(0x7746a221), X(0x7776f9dd), + X(0x77a69fe6), X(0x77d59514), X(0x7803da49), X(0x7831706a), + X(0x785e5861), X(0x788a9320), X(0x78b6219c), X(0x78e104cf), + X(0x790b3dbb), X(0x7934cd64), X(0x795db4d5), X(0x7985f51d), + X(0x79ad8f50), X(0x79d48486), X(0x79fad5de), X(0x7a208478), + X(0x7a45917b), X(0x7a69fe12), X(0x7a8dcb6c), X(0x7ab0fabb), + X(0x7ad38d36), X(0x7af5841a), X(0x7b16e0a3), X(0x7b37a416), + X(0x7b57cfb8), X(0x7b7764d4), X(0x7b9664b6), X(0x7bb4d0b0), + X(0x7bd2aa14), X(0x7beff23b), X(0x7c0caa7f), X(0x7c28d43c), + X(0x7c4470d2), X(0x7c5f81a5), X(0x7c7a081a), X(0x7c940598), + X(0x7cad7b8b), X(0x7cc66b5e), X(0x7cded680), X(0x7cf6be64), + X(0x7d0e247b), X(0x7d250a3c), X(0x7d3b711c), X(0x7d515a95), + X(0x7d66c822), X(0x7d7bbb3c), X(0x7d903563), X(0x7da43814), + X(0x7db7c4d0), X(0x7dcadd16), X(0x7ddd826a), X(0x7defb64d), + X(0x7e017a44), X(0x7e12cfd3), X(0x7e23b87f), X(0x7e3435cc), + X(0x7e444943), X(0x7e53f467), X(0x7e6338c0), X(0x7e7217d5), + X(0x7e80932b), X(0x7e8eac49), X(0x7e9c64b7), X(0x7ea9bdf8), + X(0x7eb6b994), X(0x7ec35910), X(0x7ecf9def), X(0x7edb89b6), + X(0x7ee71de9), X(0x7ef25c09), X(0x7efd4598), X(0x7f07dc16), + X(0x7f122103), X(0x7f1c15dc), X(0x7f25bc1f), X(0x7f2f1547), + X(0x7f3822cd), X(0x7f40e62b), X(0x7f4960d6), X(0x7f519443), + X(0x7f5981e7), X(0x7f612b31), X(0x7f689191), X(0x7f6fb674), + X(0x7f769b45), X(0x7f7d416c), X(0x7f83aa51), X(0x7f89d757), + X(0x7f8fc9df), X(0x7f958348), X(0x7f9b04ef), X(0x7fa0502e), + X(0x7fa56659), X(0x7faa48c7), X(0x7faef8c7), X(0x7fb377a7), + X(0x7fb7c6b3), X(0x7fbbe732), X(0x7fbfda67), X(0x7fc3a196), + X(0x7fc73dfa), X(0x7fcab0ce), X(0x7fcdfb4a), X(0x7fd11ea0), + X(0x7fd41c00), X(0x7fd6f496), X(0x7fd9a989), X(0x7fdc3bff), + X(0x7fdead17), X(0x7fe0fdee), X(0x7fe32f9d), X(0x7fe54337), + X(0x7fe739ce), X(0x7fe9146c), X(0x7fead41b), X(0x7fec79dd), + X(0x7fee06b2), X(0x7fef7b94), X(0x7ff0d97b), X(0x7ff22158), + X(0x7ff35417), X(0x7ff472a3), X(0x7ff57de0), X(0x7ff676ac), + X(0x7ff75de3), X(0x7ff8345a), X(0x7ff8fae4), X(0x7ff9b24b), + X(0x7ffa5b58), X(0x7ffaf6cd), X(0x7ffb8568), X(0x7ffc07e2), + X(0x7ffc7eed), X(0x7ffceb38), X(0x7ffd4d6d), X(0x7ffda631), + X(0x7ffdf621), X(0x7ffe3dd8), X(0x7ffe7dea), X(0x7ffeb6e7), + X(0x7ffee959), X(0x7fff15c4), X(0x7fff3ca9), X(0x7fff5e80), + X(0x7fff7bc0), X(0x7fff94d6), X(0x7fffaa2d), X(0x7fffbc29), + X(0x7fffcb29), X(0x7fffd786), X(0x7fffe195), X(0x7fffe9a3), + X(0x7fffeffa), X(0x7ffff4dd), X(0x7ffff889), X(0x7ffffb37), + X(0x7ffffd1a), X(0x7ffffe5d), X(0x7fffff29), X(0x7fffffa0), + X(0x7fffffdd), X(0x7ffffff7), X(0x7fffffff), X(0x7fffffff), +}; + +static LOOKUP_T vwin2048[1024] = { + X(0x000007c0), X(0x000045c4), X(0x0000c1ca), X(0x00017bd3), + X(0x000273de), X(0x0003a9eb), X(0x00051df9), X(0x0006d007), + X(0x0008c014), X(0x000aee1e), X(0x000d5a25), X(0x00100428), + X(0x0012ec23), X(0x00161216), X(0x001975fe), X(0x001d17da), + X(0x0020f7a8), X(0x00251564), X(0x0029710c), X(0x002e0a9e), + X(0x0032e217), X(0x0037f773), X(0x003d4ab0), X(0x0042dbca), + X(0x0048aabe), X(0x004eb788), X(0x00550224), X(0x005b8a8f), + X(0x006250c5), X(0x006954c1), X(0x0070967e), X(0x007815f9), + X(0x007fd32c), X(0x0087ce13), X(0x009006a9), X(0x00987ce9), + X(0x00a130cc), X(0x00aa224f), X(0x00b3516b), X(0x00bcbe1a), + X(0x00c66856), X(0x00d0501a), X(0x00da755f), X(0x00e4d81f), + X(0x00ef7853), X(0x00fa55f4), X(0x010570fc), X(0x0110c963), + X(0x011c5f22), X(0x01283232), X(0x0134428c), X(0x01409027), + X(0x014d1afb), X(0x0159e302), X(0x0166e831), X(0x01742a82), + X(0x0181a9ec), X(0x018f6665), X(0x019d5fe5), X(0x01ab9663), + X(0x01ba09d6), X(0x01c8ba34), X(0x01d7a775), X(0x01e6d18d), + X(0x01f63873), X(0x0205dc1e), X(0x0215bc82), X(0x0225d997), + X(0x02363350), X(0x0246c9a3), X(0x02579c86), X(0x0268abed), + X(0x0279f7cc), X(0x028b801a), X(0x029d44c9), X(0x02af45ce), + X(0x02c1831d), X(0x02d3fcaa), X(0x02e6b269), X(0x02f9a44c), + X(0x030cd248), X(0x03203c4f), X(0x0333e255), X(0x0347c44b), + X(0x035be225), X(0x03703bd5), X(0x0384d14d), X(0x0399a280), + X(0x03aeaf5e), X(0x03c3f7d9), X(0x03d97be4), X(0x03ef3b6e), + X(0x0405366a), X(0x041b6cc8), X(0x0431de78), X(0x04488b6c), + X(0x045f7393), X(0x047696dd), X(0x048df53b), X(0x04a58e9b), + X(0x04bd62ee), X(0x04d57223), X(0x04edbc28), X(0x050640ed), + X(0x051f0060), X(0x0537fa70), X(0x05512f0a), X(0x056a9e1e), + X(0x05844798), X(0x059e2b67), X(0x05b84978), X(0x05d2a1b8), + X(0x05ed3414), X(0x06080079), X(0x062306d3), X(0x063e470f), + X(0x0659c119), X(0x067574dd), X(0x06916247), X(0x06ad8941), + X(0x06c9e9b8), X(0x06e68397), X(0x070356c8), X(0x07206336), + X(0x073da8cb), X(0x075b2772), X(0x0778df15), X(0x0796cf9c), + X(0x07b4f8f3), X(0x07d35b01), X(0x07f1f5b1), X(0x0810c8eb), + X(0x082fd497), X(0x084f189e), X(0x086e94e9), X(0x088e495e), + X(0x08ae35e6), X(0x08ce5a68), X(0x08eeb6cc), X(0x090f4af8), + X(0x093016d3), X(0x09511a44), X(0x09725530), X(0x0993c77f), + X(0x09b57115), X(0x09d751d8), X(0x09f969ae), X(0x0a1bb87c), + X(0x0a3e3e26), X(0x0a60fa91), X(0x0a83eda2), X(0x0aa7173c), + X(0x0aca7743), X(0x0aee0d9b), X(0x0b11da28), X(0x0b35dccc), + X(0x0b5a156a), X(0x0b7e83e5), X(0x0ba3281f), X(0x0bc801fa), + X(0x0bed1159), X(0x0c12561c), X(0x0c37d025), X(0x0c5d7f55), + X(0x0c83638d), X(0x0ca97cae), X(0x0ccfca97), X(0x0cf64d2a), + X(0x0d1d0444), X(0x0d43efc7), X(0x0d6b0f92), X(0x0d926383), + X(0x0db9eb79), X(0x0de1a752), X(0x0e0996ee), X(0x0e31ba29), + X(0x0e5a10e2), X(0x0e829af6), X(0x0eab5841), X(0x0ed448a2), + X(0x0efd6bf4), X(0x0f26c214), X(0x0f504ade), X(0x0f7a062e), + X(0x0fa3f3df), X(0x0fce13cd), X(0x0ff865d2), X(0x1022e9ca), + X(0x104d9f8e), X(0x107886f9), X(0x10a39fe5), X(0x10ceea2c), + X(0x10fa65a6), X(0x1126122d), X(0x1151ef9a), X(0x117dfdc5), + X(0x11aa3c87), X(0x11d6abb6), X(0x12034b2c), X(0x12301ac0), + X(0x125d1a48), X(0x128a499b), X(0x12b7a891), X(0x12e536ff), + X(0x1312f4bb), X(0x1340e19c), X(0x136efd75), X(0x139d481e), + X(0x13cbc16a), X(0x13fa692f), X(0x14293f40), X(0x14584371), + X(0x14877597), X(0x14b6d585), X(0x14e6630d), X(0x15161e04), + X(0x1546063b), X(0x15761b85), X(0x15a65db3), X(0x15d6cc99), + X(0x16076806), X(0x16382fcd), X(0x166923bf), X(0x169a43ab), + X(0x16cb8f62), X(0x16fd06b5), X(0x172ea973), X(0x1760776b), + X(0x1792706e), X(0x17c49449), X(0x17f6e2cb), X(0x18295bc3), + X(0x185bfeff), X(0x188ecc4c), X(0x18c1c379), X(0x18f4e452), + X(0x19282ea4), X(0x195ba23c), X(0x198f3ee6), X(0x19c3046e), + X(0x19f6f2a1), X(0x1a2b094a), X(0x1a5f4833), X(0x1a93af28), + X(0x1ac83df3), X(0x1afcf460), X(0x1b31d237), X(0x1b66d744), + X(0x1b9c034e), X(0x1bd15621), X(0x1c06cf84), X(0x1c3c6f40), + X(0x1c72351e), X(0x1ca820e6), X(0x1cde3260), X(0x1d146953), + X(0x1d4ac587), X(0x1d8146c3), X(0x1db7eccd), X(0x1deeb76c), + X(0x1e25a667), X(0x1e5cb982), X(0x1e93f085), X(0x1ecb4b33), + X(0x1f02c953), X(0x1f3a6aaa), X(0x1f722efb), X(0x1faa160b), + X(0x1fe21f9e), X(0x201a4b79), X(0x2052995d), X(0x208b0910), + X(0x20c39a53), X(0x20fc4cea), X(0x21352097), X(0x216e151c), + X(0x21a72a3a), X(0x21e05fb5), X(0x2219b54d), X(0x22532ac3), + X(0x228cbfd8), X(0x22c6744d), X(0x230047e2), X(0x233a3a58), + X(0x23744b6d), X(0x23ae7ae3), X(0x23e8c878), X(0x242333ec), + X(0x245dbcfd), X(0x24986369), X(0x24d326f1), X(0x250e0750), + X(0x25490446), X(0x25841d90), X(0x25bf52ec), X(0x25faa417), + X(0x263610cd), X(0x267198cc), X(0x26ad3bcf), X(0x26e8f994), + X(0x2724d1d6), X(0x2760c451), X(0x279cd0c0), X(0x27d8f6e0), + X(0x2815366a), X(0x28518f1b), X(0x288e00ac), X(0x28ca8ad8), + X(0x29072d5a), X(0x2943e7eb), X(0x2980ba45), X(0x29bda422), + X(0x29faa53c), X(0x2a37bd4a), X(0x2a74ec07), X(0x2ab2312b), + X(0x2aef8c6f), X(0x2b2cfd8b), X(0x2b6a8437), X(0x2ba8202c), + X(0x2be5d120), X(0x2c2396cc), X(0x2c6170e7), X(0x2c9f5f29), + X(0x2cdd6147), X(0x2d1b76fa), X(0x2d599ff7), X(0x2d97dbf5), + X(0x2dd62aab), X(0x2e148bcf), X(0x2e52ff16), X(0x2e918436), + X(0x2ed01ae5), X(0x2f0ec2d9), X(0x2f4d7bc6), X(0x2f8c4562), + X(0x2fcb1f62), X(0x300a097a), X(0x3049035f), X(0x30880cc6), + X(0x30c72563), X(0x31064cea), X(0x3145830f), X(0x3184c786), + X(0x31c41a03), X(0x32037a39), X(0x3242e7dc), X(0x3282629f), + X(0x32c1ea36), X(0x33017e53), X(0x33411ea9), X(0x3380caec), + X(0x33c082ce), X(0x34004602), X(0x34401439), X(0x347fed27), + X(0x34bfd07e), X(0x34ffbdf0), X(0x353fb52e), X(0x357fb5ec), + X(0x35bfbfda), X(0x35ffd2aa), X(0x363fee0f), X(0x368011b9), + X(0x36c03d5a), X(0x370070a4), X(0x3740ab48), X(0x3780ecf7), + X(0x37c13562), X(0x3801843a), X(0x3841d931), X(0x388233f7), + X(0x38c2943d), X(0x3902f9b4), X(0x3943640d), X(0x3983d2f8), + X(0x39c44626), X(0x3a04bd48), X(0x3a45380e), X(0x3a85b62a), + X(0x3ac6374a), X(0x3b06bb20), X(0x3b47415c), X(0x3b87c9ae), + X(0x3bc853c7), X(0x3c08df57), X(0x3c496c0f), X(0x3c89f99f), + X(0x3cca87b6), X(0x3d0b1605), X(0x3d4ba43d), X(0x3d8c320e), + X(0x3dccbf27), X(0x3e0d4b3a), X(0x3e4dd5f6), X(0x3e8e5f0c), + X(0x3ecee62b), X(0x3f0f6b05), X(0x3f4fed49), X(0x3f906ca8), + X(0x3fd0e8d2), X(0x40116177), X(0x4051d648), X(0x409246f6), + X(0x40d2b330), X(0x41131aa7), X(0x41537d0c), X(0x4193da10), + X(0x41d43162), X(0x421482b4), X(0x4254cdb7), X(0x4295121b), + X(0x42d54f91), X(0x431585ca), X(0x4355b477), X(0x4395db49), + X(0x43d5f9f1), X(0x44161021), X(0x44561d8a), X(0x449621dd), + X(0x44d61ccc), X(0x45160e08), X(0x4555f544), X(0x4595d230), + X(0x45d5a47f), X(0x46156be3), X(0x4655280e), X(0x4694d8b2), + X(0x46d47d82), X(0x4714162f), X(0x4753a26d), X(0x479321ef), + X(0x47d29466), X(0x4811f987), X(0x48515104), X(0x48909a91), + X(0x48cfd5e1), X(0x490f02a7), X(0x494e2098), X(0x498d2f66), + X(0x49cc2ec7), X(0x4a0b1e6f), X(0x4a49fe11), X(0x4a88cd62), + X(0x4ac78c18), X(0x4b0639e6), X(0x4b44d683), X(0x4b8361a2), + X(0x4bc1dafa), X(0x4c004241), X(0x4c3e972c), X(0x4c7cd970), + X(0x4cbb08c5), X(0x4cf924e1), X(0x4d372d7a), X(0x4d752247), + X(0x4db30300), X(0x4df0cf5a), X(0x4e2e870f), X(0x4e6c29d6), + X(0x4ea9b766), X(0x4ee72f78), X(0x4f2491c4), X(0x4f61de02), + X(0x4f9f13ec), X(0x4fdc333b), X(0x50193ba8), X(0x50562ced), + X(0x509306c3), X(0x50cfc8e5), X(0x510c730d), X(0x514904f6), + X(0x51857e5a), X(0x51c1def5), X(0x51fe2682), X(0x523a54bc), + X(0x52766961), X(0x52b2642c), X(0x52ee44d9), X(0x532a0b26), + X(0x5365b6d0), X(0x53a14793), X(0x53dcbd2f), X(0x54181760), + X(0x545355e5), X(0x548e787d), X(0x54c97ee6), X(0x550468e1), + X(0x553f362c), X(0x5579e687), X(0x55b479b3), X(0x55eeef70), + X(0x5629477f), X(0x566381a1), X(0x569d9d97), X(0x56d79b24), + X(0x57117a0a), X(0x574b3a0a), X(0x5784dae9), X(0x57be5c69), + X(0x57f7be4d), X(0x5831005a), X(0x586a2254), X(0x58a32400), + X(0x58dc0522), X(0x5914c57f), X(0x594d64de), X(0x5985e305), + X(0x59be3fba), X(0x59f67ac3), X(0x5a2e93e9), X(0x5a668af2), + X(0x5a9e5fa6), X(0x5ad611ce), X(0x5b0da133), X(0x5b450d9d), + X(0x5b7c56d7), X(0x5bb37ca9), X(0x5bea7ede), X(0x5c215d41), + X(0x5c58179d), X(0x5c8eadbe), X(0x5cc51f6f), X(0x5cfb6c7c), + X(0x5d3194b2), X(0x5d6797de), X(0x5d9d75cf), X(0x5dd32e51), + X(0x5e08c132), X(0x5e3e2e43), X(0x5e737551), X(0x5ea8962d), + X(0x5edd90a7), X(0x5f12648e), X(0x5f4711b4), X(0x5f7b97ea), + X(0x5faff702), X(0x5fe42ece), X(0x60183f20), X(0x604c27cc), + X(0x607fe8a6), X(0x60b38180), X(0x60e6f22f), X(0x611a3a89), + X(0x614d5a62), X(0x61805190), X(0x61b31fe9), X(0x61e5c545), + X(0x62184179), X(0x624a945d), X(0x627cbdca), X(0x62aebd98), + X(0x62e0939f), X(0x63123fba), X(0x6343c1c1), X(0x6375198f), + X(0x63a646ff), X(0x63d749ec), X(0x64082232), X(0x6438cfad), + X(0x64695238), X(0x6499a9b3), X(0x64c9d5f9), X(0x64f9d6ea), + X(0x6529ac63), X(0x65595643), X(0x6588d46a), X(0x65b826b8), + X(0x65e74d0e), X(0x6616474b), X(0x66451552), X(0x6673b704), + X(0x66a22c44), X(0x66d074f4), X(0x66fe90f8), X(0x672c8033), + X(0x675a428a), X(0x6787d7e1), X(0x67b5401f), X(0x67e27b27), + X(0x680f88e1), X(0x683c6934), X(0x68691c05), X(0x6895a13e), + X(0x68c1f8c7), X(0x68ee2287), X(0x691a1e68), X(0x6945ec54), + X(0x69718c35), X(0x699cfdf5), X(0x69c8417f), X(0x69f356c0), + X(0x6a1e3da3), X(0x6a48f615), X(0x6a738002), X(0x6a9ddb5a), + X(0x6ac80808), X(0x6af205fd), X(0x6b1bd526), X(0x6b457575), + X(0x6b6ee6d8), X(0x6b982940), X(0x6bc13c9f), X(0x6bea20e5), + X(0x6c12d605), X(0x6c3b5bf1), X(0x6c63b29c), X(0x6c8bd9fb), + X(0x6cb3d200), X(0x6cdb9aa0), X(0x6d0333d0), X(0x6d2a9d86), + X(0x6d51d7b7), X(0x6d78e25a), X(0x6d9fbd67), X(0x6dc668d3), + X(0x6dece498), X(0x6e1330ad), X(0x6e394d0c), X(0x6e5f39ae), + X(0x6e84f68d), X(0x6eaa83a2), X(0x6ecfe0ea), X(0x6ef50e5e), + X(0x6f1a0bfc), X(0x6f3ed9bf), X(0x6f6377a4), X(0x6f87e5a8), + X(0x6fac23c9), X(0x6fd03206), X(0x6ff4105c), X(0x7017becc), + X(0x703b3d54), X(0x705e8bf5), X(0x7081aaaf), X(0x70a49984), + X(0x70c75874), X(0x70e9e783), X(0x710c46b2), X(0x712e7605), + X(0x7150757f), X(0x71724523), X(0x7193e4f6), X(0x71b554fd), + X(0x71d6953e), X(0x71f7a5bd), X(0x72188681), X(0x72393792), + X(0x7259b8f5), X(0x727a0ab2), X(0x729a2cd2), X(0x72ba1f5d), + X(0x72d9e25c), X(0x72f975d8), X(0x7318d9db), X(0x73380e6f), + X(0x735713a0), X(0x7375e978), X(0x73949003), X(0x73b3074c), + X(0x73d14f61), X(0x73ef684f), X(0x740d5222), X(0x742b0ce9), + X(0x744898b1), X(0x7465f589), X(0x74832381), X(0x74a022a8), + X(0x74bcf30e), X(0x74d994c3), X(0x74f607d8), X(0x75124c5f), + X(0x752e6268), X(0x754a4a05), X(0x7566034b), X(0x75818e4a), + X(0x759ceb16), X(0x75b819c4), X(0x75d31a66), X(0x75eded12), + X(0x760891dc), X(0x762308da), X(0x763d5221), X(0x76576dc8), + X(0x76715be4), X(0x768b1c8c), X(0x76a4afd9), X(0x76be15e0), + X(0x76d74ebb), X(0x76f05a82), X(0x7709394d), X(0x7721eb35), + X(0x773a7054), X(0x7752c8c4), X(0x776af49f), X(0x7782f400), + X(0x779ac701), X(0x77b26dbd), X(0x77c9e851), X(0x77e136d8), + X(0x77f8596f), X(0x780f5032), X(0x78261b3f), X(0x783cbab2), + X(0x78532eaa), X(0x78697745), X(0x787f94a0), X(0x789586db), + X(0x78ab4e15), X(0x78c0ea6d), X(0x78d65c03), X(0x78eba2f7), + X(0x7900bf68), X(0x7915b179), X(0x792a7949), X(0x793f16fb), + X(0x79538aaf), X(0x7967d488), X(0x797bf4a8), X(0x798feb31), + X(0x79a3b846), X(0x79b75c0a), X(0x79cad6a1), X(0x79de282e), + X(0x79f150d5), X(0x7a0450bb), X(0x7a172803), X(0x7a29d6d3), + X(0x7a3c5d50), X(0x7a4ebb9f), X(0x7a60f1e6), X(0x7a73004a), + X(0x7a84e6f2), X(0x7a96a604), X(0x7aa83da7), X(0x7ab9ae01), + X(0x7acaf73a), X(0x7adc1979), X(0x7aed14e6), X(0x7afde9a8), + X(0x7b0e97e8), X(0x7b1f1fcd), X(0x7b2f8182), X(0x7b3fbd2d), + X(0x7b4fd2f9), X(0x7b5fc30f), X(0x7b6f8d98), X(0x7b7f32bd), + X(0x7b8eb2a9), X(0x7b9e0d85), X(0x7bad437d), X(0x7bbc54b9), + X(0x7bcb4166), X(0x7bda09ae), X(0x7be8adbc), X(0x7bf72dbc), + X(0x7c0589d8), X(0x7c13c23d), X(0x7c21d716), X(0x7c2fc88f), + X(0x7c3d96d5), X(0x7c4b4214), X(0x7c58ca78), X(0x7c66302d), + X(0x7c737362), X(0x7c809443), X(0x7c8d92fc), X(0x7c9a6fbc), + X(0x7ca72aaf), X(0x7cb3c404), X(0x7cc03be8), X(0x7ccc9288), + X(0x7cd8c814), X(0x7ce4dcb9), X(0x7cf0d0a5), X(0x7cfca406), + X(0x7d08570c), X(0x7d13e9e5), X(0x7d1f5cbf), X(0x7d2aafca), + X(0x7d35e335), X(0x7d40f72e), X(0x7d4bebe4), X(0x7d56c188), + X(0x7d617848), X(0x7d6c1054), X(0x7d7689db), X(0x7d80e50e), + X(0x7d8b221b), X(0x7d954133), X(0x7d9f4286), X(0x7da92643), + X(0x7db2ec9b), X(0x7dbc95bd), X(0x7dc621da), X(0x7dcf9123), + X(0x7dd8e3c6), X(0x7de219f6), X(0x7deb33e2), X(0x7df431ba), + X(0x7dfd13af), X(0x7e05d9f2), X(0x7e0e84b4), X(0x7e171424), + X(0x7e1f8874), X(0x7e27e1d4), X(0x7e302074), X(0x7e384487), + X(0x7e404e3c), X(0x7e483dc4), X(0x7e501350), X(0x7e57cf11), + X(0x7e5f7138), X(0x7e66f9f4), X(0x7e6e6979), X(0x7e75bff5), + X(0x7e7cfd9a), X(0x7e842298), X(0x7e8b2f22), X(0x7e922366), + X(0x7e98ff97), X(0x7e9fc3e4), X(0x7ea6707f), X(0x7ead0598), + X(0x7eb38360), X(0x7eb9ea07), X(0x7ec039bf), X(0x7ec672b7), + X(0x7ecc9521), X(0x7ed2a12c), X(0x7ed8970a), X(0x7ede76ea), + X(0x7ee440fd), X(0x7ee9f573), X(0x7eef947d), X(0x7ef51e4b), + X(0x7efa930d), X(0x7efff2f2), X(0x7f053e2b), X(0x7f0a74e8), + X(0x7f0f9758), X(0x7f14a5ac), X(0x7f19a013), X(0x7f1e86bc), + X(0x7f2359d8), X(0x7f281995), X(0x7f2cc623), X(0x7f315fb1), + X(0x7f35e66e), X(0x7f3a5a8a), X(0x7f3ebc33), X(0x7f430b98), + X(0x7f4748e7), X(0x7f4b7450), X(0x7f4f8e01), X(0x7f539629), + X(0x7f578cf5), X(0x7f5b7293), X(0x7f5f4732), X(0x7f630b00), + X(0x7f66be2b), X(0x7f6a60df), X(0x7f6df34b), X(0x7f71759b), + X(0x7f74e7fe), X(0x7f784aa0), X(0x7f7b9daf), X(0x7f7ee156), + X(0x7f8215c3), X(0x7f853b22), X(0x7f88519f), X(0x7f8b5967), + X(0x7f8e52a6), X(0x7f913d87), X(0x7f941a36), X(0x7f96e8df), + X(0x7f99a9ad), X(0x7f9c5ccb), X(0x7f9f0265), X(0x7fa19aa5), + X(0x7fa425b5), X(0x7fa6a3c1), X(0x7fa914f3), X(0x7fab7974), + X(0x7fadd16f), X(0x7fb01d0d), X(0x7fb25c78), X(0x7fb48fd9), + X(0x7fb6b75a), X(0x7fb8d323), X(0x7fbae35d), X(0x7fbce831), + X(0x7fbee1c7), X(0x7fc0d047), X(0x7fc2b3d9), X(0x7fc48ca5), + X(0x7fc65ad3), X(0x7fc81e88), X(0x7fc9d7ee), X(0x7fcb872a), + X(0x7fcd2c63), X(0x7fcec7bf), X(0x7fd05966), X(0x7fd1e17c), + X(0x7fd36027), X(0x7fd4d58d), X(0x7fd641d3), X(0x7fd7a51e), + X(0x7fd8ff94), X(0x7fda5157), X(0x7fdb9a8e), X(0x7fdcdb5b), + X(0x7fde13e2), X(0x7fdf4448), X(0x7fe06caf), X(0x7fe18d3b), + X(0x7fe2a60e), X(0x7fe3b74b), X(0x7fe4c114), X(0x7fe5c38b), + X(0x7fe6bed2), X(0x7fe7b30a), X(0x7fe8a055), X(0x7fe986d4), + X(0x7fea66a7), X(0x7feb3ff0), X(0x7fec12cd), X(0x7fecdf5f), + X(0x7feda5c5), X(0x7fee6620), X(0x7fef208d), X(0x7fefd52c), + X(0x7ff0841c), X(0x7ff12d7a), X(0x7ff1d164), X(0x7ff26ff9), + X(0x7ff30955), X(0x7ff39d96), X(0x7ff42cd9), X(0x7ff4b739), + X(0x7ff53cd4), X(0x7ff5bdc5), X(0x7ff63a28), X(0x7ff6b217), + X(0x7ff725af), X(0x7ff7950a), X(0x7ff80043), X(0x7ff86773), + X(0x7ff8cab4), X(0x7ff92a21), X(0x7ff985d1), X(0x7ff9dddf), + X(0x7ffa3262), X(0x7ffa8374), X(0x7ffad12c), X(0x7ffb1ba1), + X(0x7ffb62ec), X(0x7ffba723), X(0x7ffbe85c), X(0x7ffc26b0), + X(0x7ffc6233), X(0x7ffc9afb), X(0x7ffcd11e), X(0x7ffd04b1), + X(0x7ffd35c9), X(0x7ffd647b), X(0x7ffd90da), X(0x7ffdbafa), + X(0x7ffde2f0), X(0x7ffe08ce), X(0x7ffe2ca7), X(0x7ffe4e8e), + X(0x7ffe6e95), X(0x7ffe8cce), X(0x7ffea94a), X(0x7ffec41b), + X(0x7ffedd52), X(0x7ffef4ff), X(0x7fff0b33), X(0x7fff1ffd), + X(0x7fff336e), X(0x7fff4593), X(0x7fff567d), X(0x7fff663a), + X(0x7fff74d8), X(0x7fff8265), X(0x7fff8eee), X(0x7fff9a81), + X(0x7fffa52b), X(0x7fffaef8), X(0x7fffb7f5), X(0x7fffc02d), + X(0x7fffc7ab), X(0x7fffce7c), X(0x7fffd4a9), X(0x7fffda3e), + X(0x7fffdf44), X(0x7fffe3c6), X(0x7fffe7cc), X(0x7fffeb60), + X(0x7fffee8a), X(0x7ffff153), X(0x7ffff3c4), X(0x7ffff5e3), + X(0x7ffff7b8), X(0x7ffff94b), X(0x7ffffaa1), X(0x7ffffbc1), + X(0x7ffffcb2), X(0x7ffffd78), X(0x7ffffe19), X(0x7ffffe9a), + X(0x7ffffeff), X(0x7fffff4e), X(0x7fffff89), X(0x7fffffb3), + X(0x7fffffd2), X(0x7fffffe6), X(0x7ffffff3), X(0x7ffffffa), + X(0x7ffffffe), X(0x7fffffff), X(0x7fffffff), X(0x7fffffff), +}; + +static LOOKUP_T vwin4096[2048] = { + X(0x000001f0), X(0x00001171), X(0x00003072), X(0x00005ef5), + X(0x00009cf8), X(0x0000ea7c), X(0x00014780), X(0x0001b405), + X(0x0002300b), X(0x0002bb91), X(0x00035698), X(0x0004011e), + X(0x0004bb25), X(0x000584ac), X(0x00065db3), X(0x0007463a), + X(0x00083e41), X(0x000945c7), X(0x000a5ccc), X(0x000b8350), + X(0x000cb954), X(0x000dfed7), X(0x000f53d8), X(0x0010b857), + X(0x00122c55), X(0x0013afd1), X(0x001542ca), X(0x0016e541), + X(0x00189735), X(0x001a58a7), X(0x001c2995), X(0x001e09ff), + X(0x001ff9e6), X(0x0021f948), X(0x00240826), X(0x00262680), + X(0x00285454), X(0x002a91a3), X(0x002cde6c), X(0x002f3aaf), + X(0x0031a66b), X(0x003421a0), X(0x0036ac4f), X(0x00394675), + X(0x003bf014), X(0x003ea92a), X(0x004171b7), X(0x004449bb), + X(0x00473135), X(0x004a2824), X(0x004d2e8a), X(0x00504463), + X(0x005369b2), X(0x00569e74), X(0x0059e2aa), X(0x005d3652), + X(0x0060996d), X(0x00640bf9), X(0x00678df7), X(0x006b1f66), + X(0x006ec045), X(0x00727093), X(0x00763051), X(0x0079ff7d), + X(0x007dde16), X(0x0081cc1d), X(0x0085c991), X(0x0089d671), + X(0x008df2bc), X(0x00921e71), X(0x00965991), X(0x009aa41a), + X(0x009efe0c), X(0x00a36766), X(0x00a7e028), X(0x00ac6850), + X(0x00b0ffde), X(0x00b5a6d1), X(0x00ba5d28), X(0x00bf22e4), + X(0x00c3f802), X(0x00c8dc83), X(0x00cdd065), X(0x00d2d3a8), + X(0x00d7e64a), X(0x00dd084c), X(0x00e239ac), X(0x00e77a69), + X(0x00ecca83), X(0x00f229f9), X(0x00f798ca), X(0x00fd16f5), + X(0x0102a479), X(0x01084155), 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X(0x7bb893d9), X(0x7bc01350), + X(0x7bc789a6), X(0x7bcef6e0), X(0x7bd65b03), X(0x7bddb616), + X(0x7be5081c), X(0x7bec511c), X(0x7bf3911b), X(0x7bfac81f), + X(0x7c01f62c), X(0x7c091b49), X(0x7c10377b), X(0x7c174ac7), + X(0x7c1e5532), X(0x7c2556c4), X(0x7c2c4f80), X(0x7c333f6c), + X(0x7c3a268e), X(0x7c4104ec), X(0x7c47da8a), X(0x7c4ea76f), + X(0x7c556ba1), X(0x7c5c2724), X(0x7c62d9fe), X(0x7c698435), + X(0x7c7025cf), X(0x7c76bed0), X(0x7c7d4f40), X(0x7c83d723), + X(0x7c8a567f), X(0x7c90cd5a), X(0x7c973bb9), X(0x7c9da1a2), + X(0x7ca3ff1b), X(0x7caa542a), X(0x7cb0a0d3), X(0x7cb6e51e), + X(0x7cbd210f), X(0x7cc354ac), X(0x7cc97ffc), X(0x7ccfa304), + X(0x7cd5bdc9), X(0x7cdbd051), X(0x7ce1daa3), X(0x7ce7dcc3), + X(0x7cedd6b8), X(0x7cf3c888), X(0x7cf9b238), X(0x7cff93cf), + X(0x7d056d51), X(0x7d0b3ec5), X(0x7d110830), X(0x7d16c99a), + X(0x7d1c8306), X(0x7d22347c), X(0x7d27de00), X(0x7d2d7f9a), + X(0x7d33194f), X(0x7d38ab24), X(0x7d3e351f), X(0x7d43b748), + X(0x7d4931a2), X(0x7d4ea435), X(0x7d540f06), X(0x7d59721b), + X(0x7d5ecd7b), X(0x7d64212a), X(0x7d696d2f), X(0x7d6eb190), + X(0x7d73ee53), X(0x7d79237e), X(0x7d7e5117), X(0x7d837723), + X(0x7d8895a9), X(0x7d8dacae), X(0x7d92bc3a), X(0x7d97c451), + X(0x7d9cc4f9), X(0x7da1be39), X(0x7da6b017), X(0x7dab9a99), + X(0x7db07dc4), X(0x7db5599e), X(0x7dba2e2f), X(0x7dbefb7b), + X(0x7dc3c189), X(0x7dc8805e), X(0x7dcd3802), X(0x7dd1e879), + X(0x7dd691ca), X(0x7ddb33fb), X(0x7ddfcf12), X(0x7de46315), + X(0x7de8f00a), X(0x7ded75f8), X(0x7df1f4e3), X(0x7df66cd3), + X(0x7dfaddcd), X(0x7dff47d7), X(0x7e03aaf8), X(0x7e080735), + X(0x7e0c5c95), X(0x7e10ab1e), X(0x7e14f2d5), X(0x7e1933c1), + X(0x7e1d6de8), X(0x7e21a150), X(0x7e25cdff), X(0x7e29f3fc), + X(0x7e2e134c), X(0x7e322bf5), X(0x7e363dfd), X(0x7e3a496b), + X(0x7e3e4e45), X(0x7e424c90), X(0x7e464454), X(0x7e4a3595), + X(0x7e4e205a), X(0x7e5204aa), X(0x7e55e289), X(0x7e59b9ff), + X(0x7e5d8b12), X(0x7e6155c7), X(0x7e651a24), X(0x7e68d831), + X(0x7e6c8ff2), X(0x7e70416e), X(0x7e73ecac), X(0x7e7791b0), + X(0x7e7b3082), X(0x7e7ec927), X(0x7e825ba6), X(0x7e85e804), + X(0x7e896e48), X(0x7e8cee77), X(0x7e906899), X(0x7e93dcb2), + X(0x7e974aca), X(0x7e9ab2e5), X(0x7e9e150b), X(0x7ea17141), + X(0x7ea4c78e), X(0x7ea817f7), X(0x7eab6283), X(0x7eaea737), + X(0x7eb1e61a), X(0x7eb51f33), X(0x7eb85285), X(0x7ebb8019), + X(0x7ebea7f4), X(0x7ec1ca1d), X(0x7ec4e698), X(0x7ec7fd6d), + X(0x7ecb0ea1), X(0x7ece1a3a), X(0x7ed1203f), X(0x7ed420b6), + X(0x7ed71ba4), X(0x7eda110f), X(0x7edd00ff), X(0x7edfeb78), + X(0x7ee2d081), X(0x7ee5b01f), X(0x7ee88a5a), X(0x7eeb5f36), + X(0x7eee2eba), X(0x7ef0f8ed), X(0x7ef3bdd3), X(0x7ef67d73), + X(0x7ef937d3), X(0x7efbecf9), X(0x7efe9ceb), X(0x7f0147ae), + X(0x7f03ed4a), X(0x7f068dc4), X(0x7f092922), X(0x7f0bbf69), + X(0x7f0e50a1), X(0x7f10dcce), X(0x7f1363f7), X(0x7f15e622), + X(0x7f186355), X(0x7f1adb95), X(0x7f1d4ee9), X(0x7f1fbd57), + X(0x7f2226e4), X(0x7f248b96), X(0x7f26eb74), X(0x7f294683), + X(0x7f2b9cc9), X(0x7f2dee4d), X(0x7f303b13), X(0x7f328322), + X(0x7f34c680), X(0x7f370533), X(0x7f393f40), X(0x7f3b74ad), + X(0x7f3da581), X(0x7f3fd1c1), X(0x7f41f972), X(0x7f441c9c), + X(0x7f463b43), X(0x7f48556d), X(0x7f4a6b21), X(0x7f4c7c64), + X(0x7f4e893c), X(0x7f5091ae), X(0x7f5295c1), X(0x7f54957a), + X(0x7f5690e0), X(0x7f5887f7), X(0x7f5a7ac5), X(0x7f5c6951), + X(0x7f5e53a0), X(0x7f6039b8), X(0x7f621b9e), X(0x7f63f958), + X(0x7f65d2ed), X(0x7f67a861), X(0x7f6979ba), X(0x7f6b46ff), + X(0x7f6d1034), X(0x7f6ed560), X(0x7f709687), X(0x7f7253b1), + X(0x7f740ce1), X(0x7f75c21f), X(0x7f777370), X(0x7f7920d8), + X(0x7f7aca5f), X(0x7f7c7008), X(0x7f7e11db), X(0x7f7fafdd), + X(0x7f814a13), X(0x7f82e082), X(0x7f847331), X(0x7f860224), + X(0x7f878d62), X(0x7f8914f0), X(0x7f8a98d4), X(0x7f8c1912), + X(0x7f8d95b0), X(0x7f8f0eb5), X(0x7f908425), X(0x7f91f605), + X(0x7f93645c), X(0x7f94cf2f), X(0x7f963683), X(0x7f979a5d), + X(0x7f98fac4), X(0x7f9a57bb), X(0x7f9bb14a), X(0x7f9d0775), + X(0x7f9e5a41), X(0x7f9fa9b4), X(0x7fa0f5d3), X(0x7fa23ea4), + X(0x7fa3842b), X(0x7fa4c66f), X(0x7fa60575), X(0x7fa74141), + X(0x7fa879d9), X(0x7fa9af42), X(0x7faae182), X(0x7fac109e), + X(0x7fad3c9a), X(0x7fae657d), X(0x7faf8b4c), X(0x7fb0ae0b), + X(0x7fb1cdc0), X(0x7fb2ea70), X(0x7fb40420), X(0x7fb51ad5), + X(0x7fb62e95), X(0x7fb73f64), X(0x7fb84d48), X(0x7fb95846), + X(0x7fba6062), X(0x7fbb65a2), X(0x7fbc680c), X(0x7fbd67a3), + X(0x7fbe646d), X(0x7fbf5e70), X(0x7fc055af), X(0x7fc14a31), + X(0x7fc23bf9), X(0x7fc32b0d), X(0x7fc41773), X(0x7fc5012e), + X(0x7fc5e844), X(0x7fc6ccba), X(0x7fc7ae94), X(0x7fc88dd8), + X(0x7fc96a8a), X(0x7fca44af), X(0x7fcb1c4c), X(0x7fcbf167), + X(0x7fccc403), X(0x7fcd9425), X(0x7fce61d3), X(0x7fcf2d11), + X(0x7fcff5e3), X(0x7fd0bc4f), X(0x7fd1805a), X(0x7fd24207), + X(0x7fd3015c), X(0x7fd3be5d), X(0x7fd47910), X(0x7fd53178), + X(0x7fd5e79b), X(0x7fd69b7c), X(0x7fd74d21), X(0x7fd7fc8e), + X(0x7fd8a9c8), X(0x7fd954d4), X(0x7fd9fdb5), X(0x7fdaa471), + X(0x7fdb490b), X(0x7fdbeb89), X(0x7fdc8bef), X(0x7fdd2a42), + X(0x7fddc685), X(0x7fde60be), X(0x7fdef8f0), X(0x7fdf8f20), + X(0x7fe02353), X(0x7fe0b58d), X(0x7fe145d3), X(0x7fe1d428), + X(0x7fe26091), X(0x7fe2eb12), X(0x7fe373b0), X(0x7fe3fa6f), + X(0x7fe47f53), X(0x7fe50260), X(0x7fe5839b), X(0x7fe60308), + X(0x7fe680ab), X(0x7fe6fc88), X(0x7fe776a4), X(0x7fe7ef02), + X(0x7fe865a7), X(0x7fe8da97), X(0x7fe94dd6), X(0x7fe9bf68), + X(0x7fea2f51), X(0x7fea9d95), X(0x7feb0a39), X(0x7feb7540), + X(0x7febdeae), X(0x7fec4687), X(0x7fecaccf), X(0x7fed118b), + X(0x7fed74be), X(0x7fedd66c), X(0x7fee3698), X(0x7fee9548), + X(0x7feef27e), X(0x7fef4e3f), X(0x7fefa88e), X(0x7ff0016f), + X(0x7ff058e7), X(0x7ff0aef8), X(0x7ff103a6), X(0x7ff156f6), + X(0x7ff1a8eb), X(0x7ff1f988), X(0x7ff248d2), X(0x7ff296cc), + X(0x7ff2e37a), X(0x7ff32edf), X(0x7ff378ff), X(0x7ff3c1de), + X(0x7ff4097e), X(0x7ff44fe5), X(0x7ff49515), X(0x7ff4d911), + X(0x7ff51bde), X(0x7ff55d7f), X(0x7ff59df7), X(0x7ff5dd4a), + X(0x7ff61b7b), X(0x7ff6588d), X(0x7ff69485), X(0x7ff6cf65), + X(0x7ff70930), X(0x7ff741eb), X(0x7ff77998), X(0x7ff7b03b), + X(0x7ff7e5d7), X(0x7ff81a6f), X(0x7ff84e06), X(0x7ff880a1), + X(0x7ff8b241), X(0x7ff8e2ea), X(0x7ff912a0), X(0x7ff94165), + X(0x7ff96f3d), X(0x7ff99c2b), X(0x7ff9c831), X(0x7ff9f354), + X(0x7ffa1d95), X(0x7ffa46f9), X(0x7ffa6f81), X(0x7ffa9731), + X(0x7ffabe0d), X(0x7ffae416), X(0x7ffb0951), X(0x7ffb2dbf), + X(0x7ffb5164), X(0x7ffb7442), X(0x7ffb965d), X(0x7ffbb7b8), + X(0x7ffbd854), X(0x7ffbf836), X(0x7ffc175f), X(0x7ffc35d3), + X(0x7ffc5394), X(0x7ffc70a5), X(0x7ffc8d09), X(0x7ffca8c2), + X(0x7ffcc3d4), X(0x7ffcde3f), X(0x7ffcf809), X(0x7ffd1132), + X(0x7ffd29be), X(0x7ffd41ae), X(0x7ffd5907), X(0x7ffd6fc9), + X(0x7ffd85f9), X(0x7ffd9b97), X(0x7ffdb0a7), X(0x7ffdc52b), + X(0x7ffdd926), X(0x7ffdec99), X(0x7ffdff88), X(0x7ffe11f4), + X(0x7ffe23e0), X(0x7ffe354f), X(0x7ffe4642), X(0x7ffe56bc), + X(0x7ffe66bf), X(0x7ffe764e), X(0x7ffe856a), X(0x7ffe9416), + X(0x7ffea254), X(0x7ffeb026), X(0x7ffebd8e), X(0x7ffeca8f), + X(0x7ffed72a), X(0x7ffee362), X(0x7ffeef38), X(0x7ffefaaf), + X(0x7fff05c9), X(0x7fff1087), X(0x7fff1aec), X(0x7fff24f9), + X(0x7fff2eb1), X(0x7fff3816), X(0x7fff4128), X(0x7fff49eb), + X(0x7fff5260), X(0x7fff5a88), X(0x7fff6266), X(0x7fff69fc), + X(0x7fff714b), X(0x7fff7854), X(0x7fff7f1a), X(0x7fff859f), + X(0x7fff8be3), X(0x7fff91ea), X(0x7fff97b3), X(0x7fff9d41), + X(0x7fffa296), X(0x7fffa7b3), X(0x7fffac99), X(0x7fffb14b), + X(0x7fffb5c9), X(0x7fffba15), X(0x7fffbe31), X(0x7fffc21d), + X(0x7fffc5dc), X(0x7fffc96f), X(0x7fffccd8), X(0x7fffd016), + X(0x7fffd32d), X(0x7fffd61c), X(0x7fffd8e7), X(0x7fffdb8d), + X(0x7fffde0f), X(0x7fffe071), X(0x7fffe2b1), X(0x7fffe4d2), + X(0x7fffe6d5), X(0x7fffe8bb), X(0x7fffea85), X(0x7fffec34), + X(0x7fffedc9), X(0x7fffef45), X(0x7ffff0aa), X(0x7ffff1f7), + X(0x7ffff330), X(0x7ffff453), X(0x7ffff562), X(0x7ffff65f), + X(0x7ffff749), X(0x7ffff823), X(0x7ffff8ec), X(0x7ffff9a6), + X(0x7ffffa51), X(0x7ffffaee), X(0x7ffffb7e), X(0x7ffffc02), + X(0x7ffffc7a), X(0x7ffffce7), X(0x7ffffd4a), X(0x7ffffda3), + X(0x7ffffdf4), X(0x7ffffe3c), X(0x7ffffe7c), X(0x7ffffeb6), + X(0x7ffffee8), X(0x7fffff15), X(0x7fffff3c), X(0x7fffff5e), + X(0x7fffff7b), X(0x7fffff95), X(0x7fffffaa), X(0x7fffffbc), + X(0x7fffffcb), X(0x7fffffd7), X(0x7fffffe2), X(0x7fffffea), + X(0x7ffffff0), X(0x7ffffff5), X(0x7ffffff9), X(0x7ffffffb), + X(0x7ffffffd), X(0x7ffffffe), X(0x7fffffff), X(0x7fffffff), + X(0x7fffffff), X(0x7fffffff), X(0x7fffffff), X(0x7fffffff), +}; + +#ifndef LIMIT_TO_64kHz + +static LOOKUP_T vwin8192[4096] = { + X(0x0000007c), X(0x0000045c), X(0x00000c1d), X(0x000017bd), + X(0x0000273e), X(0x00003a9f), X(0x000051e0), X(0x00006d02), + X(0x00008c03), X(0x0000aee5), X(0x0000d5a7), X(0x00010049), + X(0x00012ecb), X(0x0001612d), X(0x00019770), X(0x0001d193), + X(0x00020f96), X(0x00025178), X(0x0002973c), X(0x0002e0df), + X(0x00032e62), X(0x00037fc5), X(0x0003d509), X(0x00042e2c), + X(0x00048b30), X(0x0004ec13), X(0x000550d7), X(0x0005b97a), + X(0x000625fe), X(0x00069661), X(0x00070aa4), X(0x000782c8), + X(0x0007fecb), X(0x00087eae), X(0x00090271), X(0x00098a14), + X(0x000a1597), X(0x000aa4f9), X(0x000b383b), X(0x000bcf5d), + X(0x000c6a5f), X(0x000d0941), X(0x000dac02), X(0x000e52a3), + X(0x000efd23), X(0x000fab84), X(0x00105dc3), X(0x001113e3), + X(0x0011cde2), X(0x00128bc0), X(0x00134d7e), X(0x0014131b), + X(0x0014dc98), X(0x0015a9f4), X(0x00167b30), X(0x0017504a), + X(0x00182945), X(0x0019061e), X(0x0019e6d7), X(0x001acb6f), + X(0x001bb3e6), X(0x001ca03c), X(0x001d9071), X(0x001e8485), + X(0x001f7c79), X(0x0020784b), X(0x002177fc), X(0x00227b8c), + X(0x002382fb), X(0x00248e49), X(0x00259d76), X(0x0026b081), + X(0x0027c76b), X(0x0028e234), X(0x002a00dc), X(0x002b2361), + X(0x002c49c6), X(0x002d7409), X(0x002ea22a), X(0x002fd42a), + X(0x00310a08), X(0x003243c5), X(0x00338160), X(0x0034c2d9), + X(0x00360830), X(0x00375165), X(0x00389e78), X(0x0039ef6a), + X(0x003b4439), X(0x003c9ce6), X(0x003df971), X(0x003f59da), + X(0x0040be20), X(0x00422645), X(0x00439247), X(0x00450226), + X(0x004675e3), X(0x0047ed7e), X(0x004968f5), X(0x004ae84b), + X(0x004c6b7d), X(0x004df28d), X(0x004f7d7a), X(0x00510c44), + X(0x00529eeb), X(0x00543570), X(0x0055cfd1), X(0x00576e0f), + X(0x00591029), X(0x005ab621), X(0x005c5ff5), X(0x005e0da6), + X(0x005fbf33), X(0x0061749d), X(0x00632de4), X(0x0064eb06), + X(0x0066ac05), X(0x006870e0), X(0x006a3998), X(0x006c062b), + X(0x006dd69b), X(0x006faae6), X(0x0071830d), X(0x00735f10), + X(0x00753eef), X(0x007722a9), X(0x00790a3f), X(0x007af5b1), + X(0x007ce4fe), X(0x007ed826), X(0x0080cf29), X(0x0082ca08), + X(0x0084c8c2), X(0x0086cb57), X(0x0088d1c7), X(0x008adc11), + X(0x008cea37), X(0x008efc37), X(0x00911212), X(0x00932bc7), + X(0x00954957), X(0x00976ac2), X(0x00999006), X(0x009bb925), + X(0x009de61e), X(0x00a016f1), X(0x00a24b9e), X(0x00a48425), + X(0x00a6c086), X(0x00a900c0), X(0x00ab44d4), X(0x00ad8cc2), + X(0x00afd889), X(0x00b22829), X(0x00b47ba2), X(0x00b6d2f5), + X(0x00b92e21), X(0x00bb8d26), X(0x00bdf004), X(0x00c056ba), + X(0x00c2c149), X(0x00c52fb1), X(0x00c7a1f1), X(0x00ca180a), + X(0x00cc91fb), X(0x00cf0fc5), X(0x00d19166), X(0x00d416df), + X(0x00d6a031), X(0x00d92d5a), X(0x00dbbe5b), X(0x00de5333), + X(0x00e0ebe3), X(0x00e3886b), X(0x00e628c9), X(0x00e8ccff), + X(0x00eb750c), X(0x00ee20f0), X(0x00f0d0ab), X(0x00f3843d), + X(0x00f63ba5), X(0x00f8f6e4), X(0x00fbb5fa), X(0x00fe78e5), + X(0x01013fa7), X(0x01040a3f), X(0x0106d8ae), X(0x0109aaf2), + X(0x010c810c), X(0x010f5afb), X(0x011238c0), X(0x01151a5b), + X(0x0117ffcb), X(0x011ae910), X(0x011dd62a), X(0x0120c719), + X(0x0123bbdd), X(0x0126b476), X(0x0129b0e4), X(0x012cb126), + X(0x012fb53c), X(0x0132bd27), X(0x0135c8e6), X(0x0138d879), + X(0x013bebdf), X(0x013f031a), X(0x01421e28), X(0x01453d0a), + X(0x01485fbf), X(0x014b8648), X(0x014eb0a4), X(0x0151ded2), + X(0x015510d4), X(0x015846a8), X(0x015b8050), X(0x015ebdc9), + X(0x0161ff15), X(0x01654434), X(0x01688d24), X(0x016bd9e6), + X(0x016f2a7b), X(0x01727ee1), X(0x0175d718), X(0x01793321), + X(0x017c92fc), X(0x017ff6a7), X(0x01835e24), X(0x0186c972), + X(0x018a3890), X(0x018dab7f), X(0x0191223f), X(0x01949ccf), + X(0x01981b2f), X(0x019b9d5f), X(0x019f235f), X(0x01a2ad2f), + X(0x01a63acf), X(0x01a9cc3e), X(0x01ad617c), X(0x01b0fa8a), + X(0x01b49767), X(0x01b83813), X(0x01bbdc8d), X(0x01bf84d6), + X(0x01c330ee), X(0x01c6e0d4), X(0x01ca9488), X(0x01ce4c0b), + X(0x01d2075b), X(0x01d5c679), X(0x01d98964), X(0x01dd501d), + X(0x01e11aa3), X(0x01e4e8f6), X(0x01e8bb17), X(0x01ec9104), + X(0x01f06abd), X(0x01f44844), X(0x01f82996), X(0x01fc0eb5), + X(0x01fff7a0), X(0x0203e456), X(0x0207d4d9), X(0x020bc926), + X(0x020fc140), X(0x0213bd24), X(0x0217bcd4), X(0x021bc04e), + X(0x021fc793), X(0x0223d2a3), X(0x0227e17d), X(0x022bf421), + X(0x02300a90), X(0x023424c8), X(0x023842ca), X(0x023c6495), + X(0x02408a2a), X(0x0244b389), X(0x0248e0b0), X(0x024d11a0), + X(0x02514659), X(0x02557eda), X(0x0259bb24), X(0x025dfb35), + X(0x02623f0f), X(0x026686b1), X(0x026ad21a), X(0x026f214b), + X(0x02737443), X(0x0277cb02), X(0x027c2588), X(0x028083d5), + X(0x0284e5e9), X(0x02894bc2), X(0x028db562), X(0x029222c8), + X(0x029693f4), X(0x029b08e6), X(0x029f819d), X(0x02a3fe19), + X(0x02a87e5b), X(0x02ad0261), X(0x02b18a2c), X(0x02b615bb), + X(0x02baa50f), X(0x02bf3827), X(0x02c3cf03), X(0x02c869a3), + X(0x02cd0807), X(0x02d1aa2d), X(0x02d65017), X(0x02daf9c4), + X(0x02dfa734), X(0x02e45866), X(0x02e90d5b), X(0x02edc612), + X(0x02f2828b), X(0x02f742c6), X(0x02fc06c3), X(0x0300ce80), + X(0x030599ff), X(0x030a6940), X(0x030f3c40), X(0x03141302), + X(0x0318ed84), X(0x031dcbc6), X(0x0322adc8), X(0x0327938a), + X(0x032c7d0c), X(0x03316a4c), X(0x03365b4d), X(0x033b500c), + X(0x03404889), X(0x034544c6), X(0x034a44c0), X(0x034f4879), + X(0x03544ff0), X(0x03595b24), X(0x035e6a16), X(0x03637cc5), + X(0x03689331), X(0x036dad5a), X(0x0372cb40), X(0x0377ece2), + X(0x037d1240), X(0x03823b5a), X(0x03876830), X(0x038c98c1), + X(0x0391cd0e), X(0x03970516), X(0x039c40d8), X(0x03a18055), + X(0x03a6c38d), X(0x03ac0a7f), X(0x03b1552b), X(0x03b6a390), + X(0x03bbf5af), X(0x03c14b88), X(0x03c6a519), X(0x03cc0263), + X(0x03d16366), X(0x03d6c821), X(0x03dc3094), X(0x03e19cc0), + X(0x03e70ca2), X(0x03ec803d), X(0x03f1f78e), X(0x03f77296), + X(0x03fcf155), X(0x040273cb), X(0x0407f9f7), X(0x040d83d9), + X(0x04131170), X(0x0418a2bd), X(0x041e37c0), X(0x0423d077), + X(0x04296ce4), X(0x042f0d04), X(0x0434b0da), X(0x043a5863), + X(0x044003a0), X(0x0445b290), X(0x044b6534), X(0x04511b8b), + X(0x0456d595), X(0x045c9352), X(0x046254c1), X(0x046819e1), + X(0x046de2b4), X(0x0473af39), X(0x04797f6e), X(0x047f5355), + X(0x04852aec), X(0x048b0635), X(0x0490e52d), X(0x0496c7d6), + X(0x049cae2e), X(0x04a29836), X(0x04a885ed), X(0x04ae7753), + X(0x04b46c68), X(0x04ba652b), X(0x04c0619d), X(0x04c661bc), + X(0x04cc658a), X(0x04d26d04), X(0x04d8782c), X(0x04de8701), + X(0x04e49983), X(0x04eaafb0), X(0x04f0c98a), X(0x04f6e710), + X(0x04fd0842), X(0x05032d1e), X(0x050955a6), X(0x050f81d8), + X(0x0515b1b5), X(0x051be53d), X(0x05221c6e), X(0x05285748), + X(0x052e95cd), X(0x0534d7fa), X(0x053b1dd0), X(0x0541674e), + X(0x0547b475), X(0x054e0544), X(0x055459bb), X(0x055ab1d9), + X(0x05610d9e), X(0x05676d0a), X(0x056dd01c), X(0x057436d5), + X(0x057aa134), X(0x05810f38), X(0x058780e2), X(0x058df631), + X(0x05946f25), X(0x059aebbe), X(0x05a16bfa), X(0x05a7efdb), + X(0x05ae775f), X(0x05b50287), X(0x05bb9152), X(0x05c223c0), + X(0x05c8b9d0), X(0x05cf5382), X(0x05d5f0d6), X(0x05dc91cc), + X(0x05e33663), X(0x05e9de9c), X(0x05f08a75), X(0x05f739ee), + X(0x05fded07), X(0x0604a3c0), X(0x060b5e19), X(0x06121c11), + X(0x0618dda8), X(0x061fa2dd), X(0x06266bb1), X(0x062d3822), + X(0x06340831), X(0x063adbde), X(0x0641b328), X(0x06488e0e), + X(0x064f6c91), X(0x06564eaf), X(0x065d346a), X(0x06641dc0), + X(0x066b0ab1), X(0x0671fb3d), X(0x0678ef64), X(0x067fe724), + X(0x0686e27f), X(0x068de173), X(0x0694e400), X(0x069bea27), + X(0x06a2f3e6), X(0x06aa013d), X(0x06b1122c), X(0x06b826b3), + X(0x06bf3ed1), X(0x06c65a86), X(0x06cd79d1), X(0x06d49cb3), + X(0x06dbc32b), X(0x06e2ed38), X(0x06ea1adb), X(0x06f14c13), + X(0x06f880df), X(0x06ffb940), X(0x0706f535), X(0x070e34bd), + X(0x071577d9), X(0x071cbe88), X(0x072408c9), X(0x072b569d), + X(0x0732a802), X(0x0739fcf9), X(0x07415582), X(0x0748b19b), + X(0x07501145), X(0x0757747f), X(0x075edb49), X(0x076645a3), + X(0x076db38c), X(0x07752503), X(0x077c9a09), X(0x0784129e), + X(0x078b8ec0), X(0x07930e70), X(0x079a91ac), X(0x07a21876), + X(0x07a9a2cc), X(0x07b130ad), X(0x07b8c21b), X(0x07c05714), + X(0x07c7ef98), X(0x07cf8ba6), X(0x07d72b3f), X(0x07dece62), + X(0x07e6750e), X(0x07ee1f43), X(0x07f5cd01), X(0x07fd7e48), + X(0x08053316), X(0x080ceb6d), X(0x0814a74a), X(0x081c66af), + X(0x0824299a), X(0x082bf00c), X(0x0833ba03), X(0x083b8780), + X(0x08435882), X(0x084b2d09), X(0x08530514), X(0x085ae0a3), + X(0x0862bfb6), X(0x086aa24c), X(0x08728865), X(0x087a7201), + X(0x08825f1e), X(0x088a4fbe), X(0x089243de), X(0x089a3b80), + X(0x08a236a2), X(0x08aa3545), X(0x08b23767), X(0x08ba3d09), + X(0x08c2462a), X(0x08ca52c9), X(0x08d262e7), X(0x08da7682), + X(0x08e28d9c), X(0x08eaa832), X(0x08f2c645), X(0x08fae7d4), + X(0x09030cdf), X(0x090b3566), X(0x09136168), X(0x091b90e5), + X(0x0923c3dc), X(0x092bfa4d), X(0x09343437), X(0x093c719b), + X(0x0944b277), X(0x094cf6cc), X(0x09553e99), X(0x095d89dd), + X(0x0965d899), X(0x096e2acb), X(0x09768073), X(0x097ed991), + X(0x09873625), X(0x098f962e), X(0x0997f9ac), X(0x09a0609e), + X(0x09a8cb04), X(0x09b138dd), X(0x09b9aa29), X(0x09c21ee8), + X(0x09ca9719), X(0x09d312bc), X(0x09db91d0), X(0x09e41456), + X(0x09ec9a4b), X(0x09f523b1), X(0x09fdb087), X(0x0a0640cc), + X(0x0a0ed47f), X(0x0a176ba2), X(0x0a200632), X(0x0a28a42f), + X(0x0a31459a), X(0x0a39ea72), X(0x0a4292b5), X(0x0a4b3e65), + X(0x0a53ed80), X(0x0a5ca006), X(0x0a6555f7), X(0x0a6e0f51), + X(0x0a76cc16), X(0x0a7f8c44), 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X(0x7fff5885), X(0x7fff5c87), + X(0x7fff6076), X(0x7fff6452), X(0x7fff681d), X(0x7fff6bd6), + X(0x7fff6f7d), X(0x7fff7313), X(0x7fff7698), X(0x7fff7a0c), + X(0x7fff7d6f), X(0x7fff80c2), X(0x7fff8404), X(0x7fff8736), + X(0x7fff8a58), X(0x7fff8d6b), X(0x7fff906e), X(0x7fff9362), + X(0x7fff9646), X(0x7fff991c), X(0x7fff9be3), X(0x7fff9e9c), + X(0x7fffa146), X(0x7fffa3e2), X(0x7fffa671), X(0x7fffa8f1), + X(0x7fffab65), X(0x7fffadca), X(0x7fffb023), X(0x7fffb26f), + X(0x7fffb4ae), X(0x7fffb6e0), X(0x7fffb906), X(0x7fffbb20), + X(0x7fffbd2e), X(0x7fffbf30), X(0x7fffc126), X(0x7fffc311), + X(0x7fffc4f1), X(0x7fffc6c5), X(0x7fffc88f), X(0x7fffca4d), + X(0x7fffcc01), X(0x7fffcdab), X(0x7fffcf4a), X(0x7fffd0e0), + X(0x7fffd26b), X(0x7fffd3ec), X(0x7fffd564), X(0x7fffd6d2), + X(0x7fffd838), X(0x7fffd993), X(0x7fffdae6), X(0x7fffdc31), + X(0x7fffdd72), X(0x7fffdeab), X(0x7fffdfdb), X(0x7fffe104), + X(0x7fffe224), X(0x7fffe33c), X(0x7fffe44d), X(0x7fffe556), + X(0x7fffe657), X(0x7fffe751), X(0x7fffe844), X(0x7fffe930), + X(0x7fffea15), X(0x7fffeaf3), X(0x7fffebca), X(0x7fffec9b), + X(0x7fffed66), X(0x7fffee2a), X(0x7fffeee8), X(0x7fffefa0), + X(0x7ffff053), X(0x7ffff0ff), X(0x7ffff1a6), X(0x7ffff247), + X(0x7ffff2e4), X(0x7ffff37a), X(0x7ffff40c), X(0x7ffff499), + X(0x7ffff520), X(0x7ffff5a3), X(0x7ffff621), X(0x7ffff69b), + X(0x7ffff710), X(0x7ffff781), X(0x7ffff7ee), X(0x7ffff857), + X(0x7ffff8bb), X(0x7ffff91c), X(0x7ffff979), X(0x7ffff9d2), + X(0x7ffffa27), X(0x7ffffa79), X(0x7ffffac8), X(0x7ffffb13), + X(0x7ffffb5b), X(0x7ffffba0), X(0x7ffffbe2), X(0x7ffffc21), + X(0x7ffffc5d), X(0x7ffffc96), X(0x7ffffccd), X(0x7ffffd01), + X(0x7ffffd32), X(0x7ffffd61), X(0x7ffffd8e), X(0x7ffffdb8), + X(0x7ffffde0), X(0x7ffffe07), X(0x7ffffe2b), X(0x7ffffe4d), + X(0x7ffffe6d), X(0x7ffffe8b), X(0x7ffffea8), X(0x7ffffec3), + X(0x7ffffedc), X(0x7ffffef4), X(0x7fffff0a), X(0x7fffff1f), + X(0x7fffff33), X(0x7fffff45), X(0x7fffff56), X(0x7fffff66), + X(0x7fffff75), X(0x7fffff82), X(0x7fffff8f), X(0x7fffff9a), + X(0x7fffffa5), X(0x7fffffaf), X(0x7fffffb8), X(0x7fffffc0), + X(0x7fffffc8), X(0x7fffffce), X(0x7fffffd5), X(0x7fffffda), + X(0x7fffffdf), X(0x7fffffe4), X(0x7fffffe8), X(0x7fffffeb), + X(0x7fffffef), X(0x7ffffff1), X(0x7ffffff4), X(0x7ffffff6), + X(0x7ffffff8), X(0x7ffffff9), X(0x7ffffffb), X(0x7ffffffc), + X(0x7ffffffd), X(0x7ffffffd), X(0x7ffffffe), X(0x7fffffff), + X(0x7fffffff), X(0x7fffffff), X(0x7fffffff), X(0x7fffffff), + X(0x7fffffff), X(0x7fffffff), X(0x7fffffff), X(0x7fffffff), + X(0x7fffffff), X(0x7fffffff), X(0x7fffffff), X(0x7fffffff), +}; + +#endif From 261f60ca73d3266110ac16ab35c97789a16cb971 Mon Sep 17 00:00:00 2001 From: pandamicro Date: Tue, 10 Jan 2017 11:42:33 +0800 Subject: [PATCH 2/4] Update rapidjson --- sources/json/document-wrapper.h | 16 ++++++++ sources/json/filestream.h | 73 +++++++++++++++++++++++++++++++++ versions.txt | 8 +++- 3 files changed, 96 insertions(+), 1 deletion(-) create mode 100644 sources/json/document-wrapper.h create mode 100644 sources/json/filestream.h diff --git a/sources/json/document-wrapper.h b/sources/json/document-wrapper.h new file mode 100644 index 00000000..a6c2d278 --- /dev/null +++ b/sources/json/document-wrapper.h @@ -0,0 +1,16 @@ +#pragma once + +// Wrapper file for document.h to fix the crash bug (https://github.com/cocos2d/cocos2d-x/issues/16492) + +// Bug in gcc 4.9.0 on ARM with ARM instruction set, -O2 causes the bug +// This gcc version cannot use #pragma GCC push_options/pop_options as well. https://gcc.gnu.org/bugzilla/show_bug.cgi?id=59884 + +#include "json/rapidjson.h" + +#if defined(__arm__) && defined(RAPIDJSON_GNUC) && RAPIDJSON_GNUC >= RAPIDJSON_VERSION_CODE(4,9,0) && RAPIDJSON_GNUC < RAPIDJSON_VERSION_CODE(5,0,0) + #pragma GCC optimize ("O1") +#endif +#include "document.h" +#if defined(__arm__) && defined(RAPIDJSON_GNUC) && RAPIDJSON_GNUC >= RAPIDJSON_VERSION_CODE(4,9,0) && RAPIDJSON_GNUC < RAPIDJSON_VERSION_CODE(5,0,0) + #pragma GCC reset_options +#endif diff --git a/sources/json/filestream.h b/sources/json/filestream.h new file mode 100644 index 00000000..a370c605 --- /dev/null +++ b/sources/json/filestream.h @@ -0,0 +1,73 @@ +// Copyright (C) 2011 Milo Yip +// +// Permission is hereby granted, free of charge, to any person obtaining a copy +// of this software and associated documentation files (the "Software"), to deal +// in the Software without restriction, including without limitation the rights +// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +// copies of the Software, and to permit persons to whom the Software is +// furnished to do so, subject to the following conditions: +// +// The above copyright notice and this permission notice shall be included in +// all copies or substantial portions of the Software. +// +// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN +// THE SOFTWARE. + +#ifndef RAPIDJSON_FILESTREAM_H_ +#define RAPIDJSON_FILESTREAM_H_ + +#include "rapidjson.h" +#include + +RAPIDJSON_NAMESPACE_BEGIN + +//! (Deprecated) Wrapper of C file stream for input or output. +/*! + This simple wrapper does not check the validity of the stream. + \note implements Stream concept + \note deprecated: This was only for basic testing in version 0.1, it is found that the performance is very low by using fgetc(). Use FileReadStream instead. +*/ +class FileStream { +public: + typedef char Ch; //!< Character type. Only support char. + + FileStream(std::FILE* fp) : fp_(fp), current_('\0'), count_(0) { Read(); } + char Peek() const { return current_; } + char Take() { char c = current_; Read(); return c; } + size_t Tell() const { return count_; } + void Put(char c) { fputc(c, fp_); } + void Flush() { fflush(fp_); } + + // Not implemented + char* PutBegin() { return 0; } + size_t PutEnd(char*) { return 0; } + +private: + // Prohibit copy constructor & assignment operator. + FileStream(const FileStream&); + FileStream& operator=(const FileStream&); + + void Read() { + RAPIDJSON_ASSERT(fp_ != 0); + int c = fgetc(fp_); + if (c != EOF) { + current_ = (char)c; + count_++; + } + else if (current_ != '\0') + current_ = '\0'; + } + + std::FILE* fp_; + char current_; + size_t count_; +}; + +RAPIDJSON_NAMESPACE_END + +#endif // RAPIDJSON_FILESTREAM_H_ diff --git a/versions.txt b/versions.txt index 8ade15be..ac555073 100644 --- a/versions.txt +++ b/versions.txt @@ -40,7 +40,7 @@ libz ios: -- android: 1.2.8 -spider monkey +spidermonkey mac: v33 win32: v33 ios: v33 @@ -51,3 +51,9 @@ anysdk win32: -- android 2.2.5 ios 2.2.5 + +rapidjson + mac: 1.1.0 + win32: 1.1.0 + ios: 1.1.0 + android: 1.1.0 From 281ff7b42c355b2a021e2110787644c1b6b101b1 Mon Sep 17 00:00:00 2001 From: pandamicro Date: Fri, 13 Jan 2017 10:25:30 +0800 Subject: [PATCH 3/4] Add tinydir 1.2.1 for FileUtils::listFiles --- sources/tinydir/COPYING | 26 ++ sources/tinydir/package.json | 17 + sources/tinydir/tinydir.h | 804 +++++++++++++++++++++++++++++++++++ versions.txt | 10 +- 4 files changed, 855 insertions(+), 2 deletions(-) create mode 100755 sources/tinydir/COPYING create mode 100755 sources/tinydir/package.json create mode 100755 sources/tinydir/tinydir.h diff --git a/sources/tinydir/COPYING b/sources/tinydir/COPYING new file mode 100755 index 00000000..0d313296 --- /dev/null +++ b/sources/tinydir/COPYING @@ -0,0 +1,26 @@ +Copyright (c) 2013-2016, tinydir authors: +- Cong Xu +- Lautis Sun +- Baudouin Feildel +- Andargor +All rights reserved. + +Redistribution and use in source and binary forms, with or without +modification, are permitted provided that the following conditions are met: + +1. Redistributions of source code must retain the above copyright notice, this + list of conditions and the following disclaimer. +2. Redistributions in binary form must reproduce the above copyright notice, + this list of conditions and the following disclaimer in the documentation + and/or other materials provided with the distribution. + +THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND +ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED +WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE +DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR +ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES +(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; +LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND +ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS +SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. diff --git a/sources/tinydir/package.json b/sources/tinydir/package.json new file mode 100755 index 00000000..a185a51c --- /dev/null +++ b/sources/tinydir/package.json @@ -0,0 +1,17 @@ +{ + "name": "tinydir", + "description": "Lightweight, portable and easy to integrate C directory and file reader", + "license": "BSD-2-Clause", + "keywords": [ + "dir", + "directory", + "file", + "reader", + "filesystem" + ], + "src": [ + "tinydir.h" + ], + "version": "1.2.1", + "repo": "cxong/tinydir" +} diff --git a/sources/tinydir/tinydir.h b/sources/tinydir/tinydir.h new file mode 100755 index 00000000..2d4418bc --- /dev/null +++ b/sources/tinydir/tinydir.h @@ -0,0 +1,804 @@ +/* +Copyright (c) 2013-2016, tinydir authors: +- Cong Xu +- Lautis Sun +- Baudouin Feildel +- Andargor +All rights reserved. + +Redistribution and use in source and binary forms, with or without +modification, are permitted provided that the following conditions are met: + +1. Redistributions of source code must retain the above copyright notice, this + list of conditions and the following disclaimer. +2. Redistributions in binary form must reproduce the above copyright notice, + this list of conditions and the following disclaimer in the documentation + and/or other materials provided with the distribution. + +THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND +ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED +WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE +DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR +ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES +(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; +LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND +ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS +SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +*/ +#ifndef TINYDIR_H +#define TINYDIR_H + +#ifdef __cplusplus +extern "C" { +#endif + +#if ((defined _UNICODE) && !(defined UNICODE)) +#define UNICODE +#endif + +#if ((defined UNICODE) && !(defined _UNICODE)) +#define _UNICODE +#endif + +#include +#include +#include +#ifdef _MSC_VER +# define WIN32_LEAN_AND_MEAN +# include +# include +# pragma warning(push) +# pragma warning (disable : 4996) +#else +# include +# include +# include +# include +#endif +#ifdef __MINGW32__ +# include +#endif + + +/* types */ + +/* Windows UNICODE wide character support */ +#if defined _MSC_VER || defined __MINGW32__ +#define _tinydir_char_t TCHAR +#define TINYDIR_STRING(s) _TEXT(s) +#define _tinydir_strlen _tcslen +#define _tinydir_strcpy _tcscpy +#define _tinydir_strcat _tcscat +#define _tinydir_strcmp _tcscmp +#define _tinydir_strrchr _tcsrchr +#define _tinydir_strncmp _tcsncmp +#else +#define _tinydir_char_t char +#define TINYDIR_STRING(s) s +#define _tinydir_strlen strlen +#define _tinydir_strcpy strcpy +#define _tinydir_strcat strcat +#define _tinydir_strcmp strcmp +#define _tinydir_strrchr strrchr +#define _tinydir_strncmp strncmp +#endif + +#if (defined _MSC_VER || defined __MINGW32__) +#include +#define _TINYDIR_PATH_MAX MAX_PATH +#elif defined __linux__ +#include +#define _TINYDIR_PATH_MAX PATH_MAX +#else +#define _TINYDIR_PATH_MAX 4096 +#endif + +#ifdef _MSC_VER +/* extra chars for the "\\*" mask */ +# define _TINYDIR_PATH_EXTRA 2 +#else +# define _TINYDIR_PATH_EXTRA 0 +#endif + +#define _TINYDIR_FILENAME_MAX 256 + +#if (defined _MSC_VER || defined __MINGW32__) +#define _TINYDIR_DRIVE_MAX 3 +#endif + +#ifdef _MSC_VER +# define _TINYDIR_FUNC static __inline +#elif !defined __STDC_VERSION__ || __STDC_VERSION__ < 199901L +# define _TINYDIR_FUNC static __inline__ +#else +# define _TINYDIR_FUNC static inline +#endif + +/* readdir_r usage; define TINYDIR_USE_READDIR_R to use it (if supported) */ +#ifdef TINYDIR_USE_READDIR_R + +/* readdir_r is a POSIX-only function, and may not be available under various + * environments/settings, e.g. MinGW. Use readdir fallback */ +#if _POSIX_C_SOURCE >= 1 || _XOPEN_SOURCE || _BSD_SOURCE || _SVID_SOURCE ||\ + _POSIX_SOURCE +# define _TINYDIR_HAS_READDIR_R +#endif +#if _POSIX_C_SOURCE >= 200112L +# define _TINYDIR_HAS_FPATHCONF +# include +#endif +#if _BSD_SOURCE || _SVID_SOURCE || \ + (_POSIX_C_SOURCE >= 200809L || _XOPEN_SOURCE >= 700) +# define _TINYDIR_HAS_DIRFD +# include +#endif +#if defined _TINYDIR_HAS_FPATHCONF && defined _TINYDIR_HAS_DIRFD &&\ + defined _PC_NAME_MAX +# define _TINYDIR_USE_FPATHCONF +#endif +#if defined __MINGW32__ || !defined _TINYDIR_HAS_READDIR_R ||\ + !(defined _TINYDIR_USE_FPATHCONF || defined NAME_MAX) +# define _TINYDIR_USE_READDIR +#endif + +/* Use readdir by default */ +#else +# define _TINYDIR_USE_READDIR +#endif + +/* MINGW32 has two versions of dirent, ASCII and UNICODE*/ +#ifndef _MSC_VER +#if (defined __MINGW32__) && (defined _UNICODE) +#define _TINYDIR_DIR _WDIR +#define _tinydir_dirent _wdirent +#define _tinydir_opendir _wopendir +#define _tinydir_readdir _wreaddir +#define _tinydir_closedir _wclosedir +#else +#define _TINYDIR_DIR DIR +#define _tinydir_dirent dirent +#define _tinydir_opendir opendir +#define _tinydir_readdir readdir +#define _tinydir_closedir closedir +#endif +#endif + +/* Allow user to use a custom allocator by defining _TINYDIR_MALLOC and _TINYDIR_FREE. */ +#if defined(_TINYDIR_MALLOC) && defined(_TINYDIR_FREE) +#elif !defined(_TINYDIR_MALLOC) && !defined(_TINYDIR_FREE) +#else +#error "Either define both alloc and free or none of them!" +#endif + +#if !defined(_TINYDIR_MALLOC) + #define _TINYDIR_MALLOC(_size) malloc(_size) + #define _TINYDIR_FREE(_ptr) free(_ptr) +#endif /* !defined(_TINYDIR_MALLOC) */ + +typedef struct tinydir_file +{ + _tinydir_char_t path[_TINYDIR_PATH_MAX]; + _tinydir_char_t name[_TINYDIR_FILENAME_MAX]; + _tinydir_char_t *extension; + int is_dir; + int is_reg; + +#ifndef _MSC_VER +#ifdef __MINGW32__ + struct _stat _s; +#else + struct stat _s; +#endif +#endif +} tinydir_file; + +typedef struct tinydir_dir +{ + _tinydir_char_t path[_TINYDIR_PATH_MAX]; + int has_next; + size_t n_files; + + tinydir_file *_files; +#ifdef _MSC_VER + HANDLE _h; + WIN32_FIND_DATA _f; +#else + _TINYDIR_DIR *_d; + struct _tinydir_dirent *_e; +#ifndef _TINYDIR_USE_READDIR + struct _tinydir_dirent *_ep; +#endif +#endif +} tinydir_dir; + + +/* declarations */ + +_TINYDIR_FUNC +int tinydir_open(tinydir_dir *dir, const _tinydir_char_t *path); +_TINYDIR_FUNC +int tinydir_open_sorted(tinydir_dir *dir, const _tinydir_char_t *path); +_TINYDIR_FUNC +void tinydir_close(tinydir_dir *dir); + +_TINYDIR_FUNC +int tinydir_next(tinydir_dir *dir); +_TINYDIR_FUNC +int tinydir_readfile(const tinydir_dir *dir, tinydir_file *file); +_TINYDIR_FUNC +int tinydir_readfile_n(const tinydir_dir *dir, tinydir_file *file, size_t i); +_TINYDIR_FUNC +int tinydir_open_subdir_n(tinydir_dir *dir, size_t i); + +_TINYDIR_FUNC +int tinydir_file_open(tinydir_file *file, const _tinydir_char_t *path); +_TINYDIR_FUNC +void _tinydir_get_ext(tinydir_file *file); +_TINYDIR_FUNC +int _tinydir_file_cmp(const void *a, const void *b); +#ifndef _MSC_VER +#ifndef _TINYDIR_USE_READDIR +_TINYDIR_FUNC +size_t _tinydir_dirent_buf_size(_TINYDIR_DIR *dirp); +#endif +#endif + + +/* definitions*/ + +_TINYDIR_FUNC +int tinydir_open(tinydir_dir *dir, const _tinydir_char_t *path) +{ +#ifndef _MSC_VER +#ifndef _TINYDIR_USE_READDIR + int error; + int size; /* using int size */ +#endif +#else + _tinydir_char_t path_buf[_TINYDIR_PATH_MAX]; +#endif + _tinydir_char_t *pathp; + + if (dir == NULL || path == NULL || _tinydir_strlen(path) == 0) + { + errno = EINVAL; + return -1; + } + if (_tinydir_strlen(path) + _TINYDIR_PATH_EXTRA >= _TINYDIR_PATH_MAX) + { + errno = ENAMETOOLONG; + return -1; + } + + /* initialise dir */ + dir->_files = NULL; +#ifdef _MSC_VER + dir->_h = INVALID_HANDLE_VALUE; +#else + dir->_d = NULL; +#ifndef _TINYDIR_USE_READDIR + dir->_ep = NULL; +#endif +#endif + tinydir_close(dir); + + _tinydir_strcpy(dir->path, path); + /* Remove trailing slashes */ + pathp = &dir->path[_tinydir_strlen(dir->path) - 1]; + while (pathp != dir->path && (*pathp == TINYDIR_STRING('\\') || *pathp == TINYDIR_STRING('/'))) + { + *pathp = TINYDIR_STRING('\0'); + pathp++; + } +#ifdef _MSC_VER + _tinydir_strcpy(path_buf, dir->path); + _tinydir_strcat(path_buf, TINYDIR_STRING("\\*")); + dir->_h = FindFirstFile(path_buf, &dir->_f); + if (dir->_h == INVALID_HANDLE_VALUE) + { + errno = ENOENT; +#else + dir->_d = _tinydir_opendir(path); + if (dir->_d == NULL) + { +#endif + goto bail; + } + + /* read first file */ + dir->has_next = 1; +#ifndef _MSC_VER +#ifdef _TINYDIR_USE_READDIR + dir->_e = _tinydir_readdir(dir->_d); +#else + /* allocate dirent buffer for readdir_r */ + size = _tinydir_dirent_buf_size(dir->_d); /* conversion to int */ + if (size == -1) return -1; + dir->_ep = (struct _tinydir_dirent*)_TINYDIR_MALLOC(size); + if (dir->_ep == NULL) return -1; + + error = readdir_r(dir->_d, dir->_ep, &dir->_e); + if (error != 0) return -1; +#endif + if (dir->_e == NULL) + { + dir->has_next = 0; + } +#endif + + return 0; + +bail: + tinydir_close(dir); + return -1; +} + +_TINYDIR_FUNC +int tinydir_open_sorted(tinydir_dir *dir, const _tinydir_char_t *path) +{ + /* Count the number of files first, to pre-allocate the files array */ + size_t n_files = 0; + if (tinydir_open(dir, path) == -1) + { + return -1; + } + while (dir->has_next) + { + n_files++; + if (tinydir_next(dir) == -1) + { + goto bail; + } + } + tinydir_close(dir); + + if (tinydir_open(dir, path) == -1) + { + return -1; + } + + dir->n_files = 0; + dir->_files = (tinydir_file *)_TINYDIR_MALLOC(sizeof *dir->_files * n_files); + if (dir->_files == NULL) + { + goto bail; + } + while (dir->has_next) + { + tinydir_file *p_file; + dir->n_files++; + + p_file = &dir->_files[dir->n_files - 1]; + if (tinydir_readfile(dir, p_file) == -1) + { + goto bail; + } + + if (tinydir_next(dir) == -1) + { + goto bail; + } + + /* Just in case the number of files has changed between the first and + second reads, terminate without writing into unallocated memory */ + if (dir->n_files == n_files) + { + break; + } + } + + qsort(dir->_files, dir->n_files, sizeof(tinydir_file), _tinydir_file_cmp); + + return 0; + +bail: + tinydir_close(dir); + return -1; +} + +_TINYDIR_FUNC +void tinydir_close(tinydir_dir *dir) +{ + if (dir == NULL) + { + return; + } + + memset(dir->path, 0, sizeof(dir->path)); + dir->has_next = 0; + dir->n_files = 0; + _TINYDIR_FREE(dir->_files); + dir->_files = NULL; +#ifdef _MSC_VER + if (dir->_h != INVALID_HANDLE_VALUE) + { + FindClose(dir->_h); + } + dir->_h = INVALID_HANDLE_VALUE; +#else + if (dir->_d) + { + _tinydir_closedir(dir->_d); + } + dir->_d = NULL; + dir->_e = NULL; +#ifndef _TINYDIR_USE_READDIR + _TINYDIR_FREE(dir->_ep); + dir->_ep = NULL; +#endif +#endif +} + +_TINYDIR_FUNC +int tinydir_next(tinydir_dir *dir) +{ + if (dir == NULL) + { + errno = EINVAL; + return -1; + } + if (!dir->has_next) + { + errno = ENOENT; + return -1; + } + +#ifdef _MSC_VER + if (FindNextFile(dir->_h, &dir->_f) == 0) +#else +#ifdef _TINYDIR_USE_READDIR + dir->_e = _tinydir_readdir(dir->_d); +#else + if (dir->_ep == NULL) + { + return -1; + } + if (readdir_r(dir->_d, dir->_ep, &dir->_e) != 0) + { + return -1; + } +#endif + if (dir->_e == NULL) +#endif + { + dir->has_next = 0; +#ifdef _MSC_VER + if (GetLastError() != ERROR_SUCCESS && + GetLastError() != ERROR_NO_MORE_FILES) + { + tinydir_close(dir); + errno = EIO; + return -1; + } +#endif + } + + return 0; +} + +_TINYDIR_FUNC +int tinydir_readfile(const tinydir_dir *dir, tinydir_file *file) +{ + if (dir == NULL || file == NULL) + { + errno = EINVAL; + return -1; + } +#ifdef _MSC_VER + if (dir->_h == INVALID_HANDLE_VALUE) +#else + if (dir->_e == NULL) +#endif + { + errno = ENOENT; + return -1; + } + if (_tinydir_strlen(dir->path) + + _tinydir_strlen( +#ifdef _MSC_VER + dir->_f.cFileName +#else + dir->_e->d_name +#endif + ) + 1 + _TINYDIR_PATH_EXTRA >= + _TINYDIR_PATH_MAX) + { + /* the path for the file will be too long */ + errno = ENAMETOOLONG; + return -1; + } + if (_tinydir_strlen( +#ifdef _MSC_VER + dir->_f.cFileName +#else + dir->_e->d_name +#endif + ) >= _TINYDIR_FILENAME_MAX) + { + errno = ENAMETOOLONG; + return -1; + } + + _tinydir_strcpy(file->path, dir->path); + _tinydir_strcat(file->path, TINYDIR_STRING("/")); + _tinydir_strcpy(file->name, +#ifdef _MSC_VER + dir->_f.cFileName +#else + dir->_e->d_name +#endif + ); + _tinydir_strcat(file->path, file->name); +#ifndef _MSC_VER +#ifdef __MINGW32__ + if (_tstat( +#else + if (stat( +#endif + file->path, &file->_s) == -1) + { + return -1; + } +#endif + _tinydir_get_ext(file); + + file->is_dir = +#ifdef _MSC_VER + !!(dir->_f.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY); +#else + S_ISDIR(file->_s.st_mode); +#endif + file->is_reg = +#ifdef _MSC_VER + !!(dir->_f.dwFileAttributes & FILE_ATTRIBUTE_NORMAL) || + ( + !(dir->_f.dwFileAttributes & FILE_ATTRIBUTE_DEVICE) && + !(dir->_f.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY) && + !(dir->_f.dwFileAttributes & FILE_ATTRIBUTE_ENCRYPTED) && +#ifdef FILE_ATTRIBUTE_INTEGRITY_STREAM + !(dir->_f.dwFileAttributes & FILE_ATTRIBUTE_INTEGRITY_STREAM) && +#endif +#ifdef FILE_ATTRIBUTE_NO_SCRUB_DATA + !(dir->_f.dwFileAttributes & FILE_ATTRIBUTE_NO_SCRUB_DATA) && +#endif + !(dir->_f.dwFileAttributes & FILE_ATTRIBUTE_OFFLINE) && + !(dir->_f.dwFileAttributes & FILE_ATTRIBUTE_TEMPORARY)); +#else + S_ISREG(file->_s.st_mode); +#endif + + return 0; +} + +_TINYDIR_FUNC +int tinydir_readfile_n(const tinydir_dir *dir, tinydir_file *file, size_t i) +{ + if (dir == NULL || file == NULL) + { + errno = EINVAL; + return -1; + } + if (i >= dir->n_files) + { + errno = ENOENT; + return -1; + } + + memcpy(file, &dir->_files[i], sizeof(tinydir_file)); + _tinydir_get_ext(file); + + return 0; +} + +_TINYDIR_FUNC +int tinydir_open_subdir_n(tinydir_dir *dir, size_t i) +{ + _tinydir_char_t path[_TINYDIR_PATH_MAX]; + if (dir == NULL) + { + errno = EINVAL; + return -1; + } + if (i >= dir->n_files || !dir->_files[i].is_dir) + { + errno = ENOENT; + return -1; + } + + _tinydir_strcpy(path, dir->_files[i].path); + tinydir_close(dir); + if (tinydir_open_sorted(dir, path) == -1) + { + return -1; + } + + return 0; +} + +/* Open a single file given its path */ +_TINYDIR_FUNC +int tinydir_file_open(tinydir_file *file, const _tinydir_char_t *path) +{ + tinydir_dir dir; + int result = 0; + int found = 0; + _tinydir_char_t dir_name_buf[_TINYDIR_PATH_MAX]; + _tinydir_char_t file_name_buf[_TINYDIR_FILENAME_MAX]; + _tinydir_char_t *dir_name; + _tinydir_char_t *base_name; +#if (defined _MSC_VER || defined __MINGW32__) + _tinydir_char_t drive_buf[_TINYDIR_DRIVE_MAX]; + _tinydir_char_t ext_buf[_TINYDIR_FILENAME_MAX]; +#endif + + if (file == NULL || path == NULL || _tinydir_strlen(path) == 0) + { + errno = EINVAL; + return -1; + } + if (_tinydir_strlen(path) + _TINYDIR_PATH_EXTRA >= _TINYDIR_PATH_MAX) + { + errno = ENAMETOOLONG; + return -1; + } + + /* Get the parent path */ +#if (defined _MSC_VER || defined __MINGW32__) +#if ((defined _MSC_VER) && (_MSC_VER >= 1400)) + _tsplitpath_s( + path, + drive_buf, _TINYDIR_DRIVE_MAX, + dir_name_buf, _TINYDIR_FILENAME_MAX, + file_name_buf, _TINYDIR_FILENAME_MAX, + ext_buf, _TINYDIR_FILENAME_MAX); +#else + _tsplitpath( + path, + drive_buf, + dir_name_buf, + file_name_buf, + ext_buf); +#endif + +/* _splitpath_s not work fine with only filename and widechar support */ +#ifdef _UNICODE + if (drive_buf[0] == L'\xFEFE') + drive_buf[0] = '\0'; + if (dir_name_buf[0] == L'\xFEFE') + dir_name_buf[0] = '\0'; +#endif + + if (errno) + { + errno = EINVAL; + return -1; + } + /* Emulate the behavior of dirname by returning "." for dir name if it's + empty */ + if (drive_buf[0] == '\0' && dir_name_buf[0] == '\0') + { + _tinydir_strcpy(dir_name_buf, TINYDIR_STRING(".")); + } + /* Concatenate the drive letter and dir name to form full dir name */ + _tinydir_strcat(drive_buf, dir_name_buf); + dir_name = drive_buf; + /* Concatenate the file name and extension to form base name */ + _tinydir_strcat(file_name_buf, ext_buf); + base_name = file_name_buf; +#else + _tinydir_strcpy(dir_name_buf, path); + dir_name = dirname(dir_name_buf); + _tinydir_strcpy(file_name_buf, path); + base_name =basename(file_name_buf); +#endif + + /* Open the parent directory */ + if (tinydir_open(&dir, dir_name) == -1) + { + return -1; + } + + /* Read through the parent directory and look for the file */ + while (dir.has_next) + { + if (tinydir_readfile(&dir, file) == -1) + { + result = -1; + goto bail; + } + if (_tinydir_strcmp(file->name, base_name) == 0) + { + /* File found */ + found = 1; + break; + } + tinydir_next(&dir); + } + if (!found) + { + result = -1; + errno = ENOENT; + } + +bail: + tinydir_close(&dir); + return result; +} + +_TINYDIR_FUNC +void _tinydir_get_ext(tinydir_file *file) +{ + _tinydir_char_t *period = _tinydir_strrchr(file->name, TINYDIR_STRING('.')); + if (period == NULL) + { + file->extension = &(file->name[_tinydir_strlen(file->name)]); + } + else + { + file->extension = period + 1; + } +} + +_TINYDIR_FUNC +int _tinydir_file_cmp(const void *a, const void *b) +{ + const tinydir_file *fa = (const tinydir_file *)a; + const tinydir_file *fb = (const tinydir_file *)b; + if (fa->is_dir != fb->is_dir) + { + return -(fa->is_dir - fb->is_dir); + } + return _tinydir_strncmp(fa->name, fb->name, _TINYDIR_FILENAME_MAX); +} + +#ifndef _MSC_VER +#ifndef _TINYDIR_USE_READDIR +/* +The following authored by Ben Hutchings +from https://womble.decadent.org.uk/readdir_r-advisory.html +*/ +/* Calculate the required buffer size (in bytes) for directory * +* entries read from the given directory handle. Return -1 if this * +* this cannot be done. * +* * +* This code does not trust values of NAME_MAX that are less than * +* 255, since some systems (including at least HP-UX) incorrectly * +* define it to be a smaller value. */ +_TINYDIR_FUNC +size_t _tinydir_dirent_buf_size(_TINYDIR_DIR *dirp) +{ + long name_max; + size_t name_end; + /* parameter may be unused */ + (void)dirp; + +#if defined _TINYDIR_USE_FPATHCONF + name_max = fpathconf(dirfd(dirp), _PC_NAME_MAX); + if (name_max == -1) +#if defined(NAME_MAX) + name_max = (NAME_MAX > 255) ? NAME_MAX : 255; +#else + return (size_t)(-1); +#endif +#elif defined(NAME_MAX) + name_max = (NAME_MAX > 255) ? NAME_MAX : 255; +#else +#error "buffer size for readdir_r cannot be determined" +#endif + name_end = (size_t)offsetof(struct _tinydir_dirent, d_name) + name_max + 1; + return (name_end > sizeof(struct _tinydir_dirent) ? + name_end : sizeof(struct _tinydir_dirent)); +} +#endif +#endif + +#ifdef __cplusplus +} +#endif + +# if defined (_MSC_VER) +# pragma warning(pop) +# endif + +#endif diff --git a/versions.txt b/versions.txt index ac555073..5f161723 100644 --- a/versions.txt +++ b/versions.txt @@ -49,11 +49,17 @@ spidermonkey anysdk mac: -- win32: -- - android 2.2.5 - ios 2.2.5 + android: 2.2.5 + ios: 2.2.5 rapidjson mac: 1.1.0 win32: 1.1.0 ios: 1.1.0 android: 1.1.0 + +tinydir + mac: 1.2.1 + win32: 1.2.1 + android: 1.2.1 + ios: 1.2.1 From 8680e9849f5e3dc1d89911016d11642142fe369f Mon Sep 17 00:00:00 2001 From: James Chen Date: Fri, 20 Jan 2017 16:28:39 +0800 Subject: [PATCH 4/4] Disable ASM for tremolo since it may crashes while decoding same specific ogg audio files. --- sources/tremolo/Android.mk | 27 ++++++++++++++------------- 1 file changed, 14 insertions(+), 13 deletions(-) diff --git a/sources/tremolo/Android.mk b/sources/tremolo/Android.mk index 6fad9e78..331f3356 100644 --- a/sources/tremolo/Android.mk +++ b/sources/tremolo/Android.mk @@ -16,21 +16,22 @@ LOCAL_SRC_FILES = \ Tremolo/treminfo.c \ Tremolo/vorbisfile.c -ifeq ($(TARGET_ARCH),arm) -LOCAL_SRC_FILES += \ - Tremolo/bitwiseARM.s \ - Tremolo/dpen.s \ - Tremolo/floor1ARM.s \ - Tremolo/mdctARM.s -LOCAL_CFLAGS += \ - -D_ARM_ASSEM_ -# Assembly code in asm_arm.h does not compile with Clang. -LOCAL_CLANG_ASFLAGS_arm += \ - -no-integrated-as -else +# Disable arm optimization which will cause the issue https://github.com/cocos2d/cocos2d-x/issues/17148 +# ifeq ($(TARGET_ARCH),arm) +# LOCAL_SRC_FILES += \ +# Tremolo/bitwiseARM.s \ +# Tremolo/dpen.s \ +# Tremolo/floor1ARM.s \ +# Tremolo/mdctARM.s +# LOCAL_CFLAGS += \ +# -D_ARM_ASSEM_ +# # Assembly code in asm_arm.h does not compile with Clang. +# LOCAL_CLANG_ASFLAGS_arm += \ +# -no-integrated-as +# else LOCAL_CFLAGS += \ -DONLY_C -endif +# endif LOCAL_CFLAGS+= -O2 LOCAL_C_INCLUDES:= \