123 lines
4.8 KiB
C++
123 lines
4.8 KiB
C++
#pragma once
|
|
|
|
////////////////////////////////////////////////////////////////////////////////
|
|
// The MIT License (MIT)
|
|
//
|
|
// Copyright (c) 2019 Nicholas Frechette & Animation Compression Library contributors
|
|
//
|
|
// 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.
|
|
////////////////////////////////////////////////////////////////////////////////
|
|
|
|
#include "acl/core/impl/compiler_utils.h"
|
|
|
|
#include <cstdint>
|
|
#include <cstring>
|
|
|
|
ACL_IMPL_FILE_PRAGMA_PUSH
|
|
|
|
namespace acl
|
|
{
|
|
////////////////////////////////////////////////////////////////////////////////
|
|
// compression_level8 represents how aggressively we attempt to reduce the memory
|
|
// footprint. Higher levels will try more permutations and bit rates. The higher
|
|
// the level, the slower the compression but the smaller the memory footprint.
|
|
enum class compression_level8 : uint8_t
|
|
{
|
|
lowest = 0, // Same as medium for now
|
|
low = 1, // Same as medium for now
|
|
medium = 2,
|
|
high = 3,
|
|
highest = 4,
|
|
|
|
//lossless = 255, // Not implemented, reserved
|
|
};
|
|
|
|
//////////////////////////////////////////////////////////////////////////
|
|
|
|
////////////////////////////////////////////////////////////////////////////////
|
|
// Returns a string representing the compression level.
|
|
// TODO: constexpr
|
|
inline const char* get_compression_level_name(compression_level8 level)
|
|
{
|
|
switch (level)
|
|
{
|
|
case compression_level8::lowest: return "lowest";
|
|
case compression_level8::low: return "low";
|
|
case compression_level8::medium: return "medium";
|
|
case compression_level8::high: return "high";
|
|
case compression_level8::highest: return "highest";
|
|
default: return "<Invalid>";
|
|
}
|
|
}
|
|
|
|
//////////////////////////////////////////////////////////////////////////
|
|
// Returns the compression level from its string representation.
|
|
inline bool get_compression_level(const char* level_name, compression_level8& out_level)
|
|
{
|
|
const char* level_lowest = "Lowest"; // ACL_DEPRECATED Legacy name, keep for backwards compatibility, remove in 3.0
|
|
const char* level_lowest_new = "lowest";
|
|
if (std::strncmp(level_name, level_lowest, std::strlen(level_lowest)) == 0
|
|
|| std::strncmp(level_name, level_lowest_new, std::strlen(level_lowest_new)) == 0)
|
|
{
|
|
out_level = compression_level8::lowest;
|
|
return true;
|
|
}
|
|
|
|
const char* level_low = "Low"; // ACL_DEPRECATED Legacy name, keep for backwards compatibility, remove in 3.0
|
|
const char* level_low_new = "low";
|
|
if (std::strncmp(level_name, level_low, std::strlen(level_low)) == 0
|
|
|| std::strncmp(level_name, level_low_new, std::strlen(level_low_new)) == 0)
|
|
{
|
|
out_level = compression_level8::low;
|
|
return true;
|
|
}
|
|
|
|
const char* level_medium = "Medium"; // ACL_DEPRECATED Legacy name, keep for backwards compatibility, remove in 3.0
|
|
const char* level_medium_new = "medium";
|
|
if (std::strncmp(level_name, level_medium, std::strlen(level_medium)) == 0
|
|
|| std::strncmp(level_name, level_medium_new, std::strlen(level_medium_new)) == 0)
|
|
{
|
|
out_level = compression_level8::medium;
|
|
return true;
|
|
}
|
|
|
|
const char* level_highest = "Highest"; // ACL_DEPRECATED Legacy name, keep for backwards compatibility, remove in 3.0
|
|
const char* level_highest_new = "highest";
|
|
if (std::strncmp(level_name, level_highest, std::strlen(level_highest)) == 0
|
|
|| std::strncmp(level_name, level_highest_new, std::strlen(level_highest_new)) == 0)
|
|
{
|
|
out_level = compression_level8::highest;
|
|
return true;
|
|
}
|
|
|
|
const char* level_high = "High"; // ACL_DEPRECATED Legacy name, keep for backwards compatibility, remove in 3.0
|
|
const char* level_high_new = "high";
|
|
if (std::strncmp(level_name, level_high, std::strlen(level_high)) == 0
|
|
|| std::strncmp(level_name, level_high_new, std::strlen(level_high_new)) == 0)
|
|
{
|
|
out_level = compression_level8::high;
|
|
return true;
|
|
}
|
|
|
|
return false;
|
|
}
|
|
}
|
|
|
|
ACL_IMPL_FILE_PRAGMA_POP
|