Lime3DS/src/common/zstd_compression.h
2020-01-15 19:58:34 -07:00

44 lines
1.4 KiB
C++

// Copyright 2019 yuzu Emulator Project
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#pragma once
#include <vector>
#include "common/common_types.h"
namespace Common::Compression {
/**
* Compresses a source memory region with Zstandard and returns the compressed data in a vector.
*
* @param source the uncompressed source memory region.
* @param source_size the size in bytes of the uncompressed source memory region.
* @param compression_level the used compression level. Should be between 1 and 22.
*
* @return the compressed data.
*/
std::vector<u8> CompressDataZSTD(const u8* source, std::size_t source_size, s32 compression_level);
/**
* Compresses a source memory region with Zstandard with the default compression level and returns
* the compressed data in a vector.
*
* @param source the uncompressed source memory region.
* @param source_size the size in bytes of the uncompressed source memory region.
*
* @return the compressed data.
*/
std::vector<u8> CompressDataZSTDDefault(const u8* source, std::size_t source_size);
/**
* Decompresses a source memory region with Zstandard and returns the uncompressed data in a vector.
*
* @param compressed the compressed source memory region.
*
* @return the decompressed data.
*/
std::vector<u8> DecompressDataZSTD(const std::vector<u8>& compressed);
} // namespace Common::Compression