65 lines
2.5 KiB
C++
65 lines
2.5 KiB
C++
#pragma once
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////////////////////////////////////////////////////////////////////////////////
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// The MIT License (MIT)
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//
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// Copyright (c) 2020 Nicholas Frechette & Animation Compression Library contributors
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files (the "Software"), to deal
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// in the Software without restriction, including without limitation the rights
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// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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// copies of the Software, and to permit persons to whom the Software is
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// furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in all
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// copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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// SOFTWARE.
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////////////////////////////////////////////////////////////////////////////////
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#include "acl/core/error.h"
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#include "acl/core/impl/compiler_utils.h"
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#include <cstdint>
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ACL_IMPL_FILE_PRAGMA_PUSH
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namespace acl
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{
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// Bit rate 0 is reserved for tracks that are constant in a segment
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constexpr uint8_t k_bit_rate_num_bits[] = { 0, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 32 };
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constexpr uint8_t k_invalid_bit_rate = 0xFF;
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constexpr uint8_t k_lowest_bit_rate = 1;
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constexpr uint8_t k_highest_bit_rate = sizeof(k_bit_rate_num_bits) - 1;
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constexpr uint32_t k_num_bit_rates = sizeof(k_bit_rate_num_bits);
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static_assert(k_num_bit_rates == 19, "Expecting 19 bit rates");
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inline uint32_t get_num_bits_at_bit_rate(uint32_t bit_rate)
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{
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ACL_ASSERT(bit_rate <= k_highest_bit_rate, "Invalid bit rate: %u", bit_rate);
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return k_bit_rate_num_bits[bit_rate];
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}
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// Track is constant, our constant sample is stored in the range information
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constexpr bool is_constant_bit_rate(uint32_t bit_rate) { return bit_rate == 0; }
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constexpr bool is_raw_bit_rate(uint32_t bit_rate) { return bit_rate == k_highest_bit_rate; }
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struct BoneBitRate
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{
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uint8_t rotation;
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uint8_t translation;
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uint8_t scale;
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};
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}
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ACL_IMPL_FILE_PRAGMA_POP
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