suyu/src/common/zstd_compression.h

43 lines
1.2 KiB
C++
Raw Normal View History

// Copyright 2019 yuzu Emulator Project
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#pragma once
#include <span>
#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 compression_level the used compression level. Should be between 1 and 22.
*
* @return the compressed data.
*/
std::vector<u8> CompressDataZSTD(std::span<const u8> source, 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.
*
* @return the compressed data.
*/
std::vector<u8> CompressDataZSTDDefault(std::span<const u8> source);
/**
* 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