summaryrefslogblamecommitdiffstats
path: root/src/common/zstd_compression.h
blob: e0a64b03550a21c20ff26abe9e35c6e66665aa71 (plain) (tree)



































                                                                                                    


                                 
                                                                      

                                 
// Copyright 2019 yuzu Emulator Project
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.

#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