diff options
Diffstat (limited to '')
| -rw-r--r-- | src/common/lz4_compression.cpp | 21 | ||||
| -rw-r--r-- | src/common/lz4_compression.h | 10 |
2 files changed, 14 insertions, 17 deletions
diff --git a/src/common/lz4_compression.cpp b/src/common/lz4_compression.cpp index ade6759bb..8e2e4094b 100644 --- a/src/common/lz4_compression.cpp +++ b/src/common/lz4_compression.cpp @@ -10,14 +10,14 @@ namespace Common::Compression { -std::vector<u8> CompressDataLZ4(const u8* source, std::size_t source_size) { - ASSERT_MSG(source_size <= LZ4_MAX_INPUT_SIZE, "Source size exceeds LZ4 maximum input size"); +std::vector<u8> CompressDataLZ4(std::span<const u8> source) { + ASSERT_MSG(source.size() <= LZ4_MAX_INPUT_SIZE, "Source size exceeds LZ4 maximum input size"); - const auto source_size_int = static_cast<int>(source_size); + const auto source_size_int = static_cast<int>(source.size()); const int max_compressed_size = LZ4_compressBound(source_size_int); std::vector<u8> compressed(max_compressed_size); - const int compressed_size = LZ4_compress_default(reinterpret_cast<const char*>(source), + const int compressed_size = LZ4_compress_default(reinterpret_cast<const char*>(source.data()), reinterpret_cast<char*>(compressed.data()), source_size_int, max_compressed_size); @@ -31,18 +31,17 @@ std::vector<u8> CompressDataLZ4(const u8* source, std::size_t source_size) { return compressed; } -std::vector<u8> CompressDataLZ4HC(const u8* source, std::size_t source_size, - s32 compression_level) { - ASSERT_MSG(source_size <= LZ4_MAX_INPUT_SIZE, "Source size exceeds LZ4 maximum input size"); +std::vector<u8> CompressDataLZ4HC(std::span<const u8> source, s32 compression_level) { + ASSERT_MSG(source.size() <= LZ4_MAX_INPUT_SIZE, "Source size exceeds LZ4 maximum input size"); compression_level = std::clamp(compression_level, LZ4HC_CLEVEL_MIN, LZ4HC_CLEVEL_MAX); - const auto source_size_int = static_cast<int>(source_size); + const auto source_size_int = static_cast<int>(source.size()); const int max_compressed_size = LZ4_compressBound(source_size_int); std::vector<u8> compressed(max_compressed_size); const int compressed_size = LZ4_compress_HC( - reinterpret_cast<const char*>(source), reinterpret_cast<char*>(compressed.data()), + reinterpret_cast<const char*>(source.data()), reinterpret_cast<char*>(compressed.data()), source_size_int, max_compressed_size, compression_level); if (compressed_size <= 0) { @@ -55,8 +54,8 @@ std::vector<u8> CompressDataLZ4HC(const u8* source, std::size_t source_size, return compressed; } -std::vector<u8> CompressDataLZ4HCMax(const u8* source, std::size_t source_size) { - return CompressDataLZ4HC(source, source_size, LZ4HC_CLEVEL_MAX); +std::vector<u8> CompressDataLZ4HCMax(std::span<const u8> source) { + return CompressDataLZ4HC(source, LZ4HC_CLEVEL_MAX); } std::vector<u8> DecompressDataLZ4(const std::vector<u8>& compressed, diff --git a/src/common/lz4_compression.h b/src/common/lz4_compression.h index 4c16f6e03..173f9b9ad 100644 --- a/src/common/lz4_compression.h +++ b/src/common/lz4_compression.h @@ -4,6 +4,7 @@ #pragma once +#include <span> #include <vector> #include "common/common_types.h" @@ -14,11 +15,10 @@ namespace Common::Compression { * Compresses a source memory region with LZ4 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> CompressDataLZ4(const u8* source, std::size_t source_size); +std::vector<u8> CompressDataLZ4(std::span<const u8> source); /** * Utilizes the LZ4 subalgorithm LZ4HC with the specified compression level. Higher compression @@ -27,22 +27,20 @@ std::vector<u8> CompressDataLZ4(const u8* source, std::size_t source_size); * also be decompressed with the default LZ4 decompression. * * @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 3 and 12. * * @return the compressed data. */ -std::vector<u8> CompressDataLZ4HC(const u8* source, std::size_t source_size, s32 compression_level); +std::vector<u8> CompressDataLZ4HC(std::span<const u8> source, s32 compression_level); /** * Utilizes the LZ4 subalgorithm LZ4HC with the highest possible compression level. * * @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> CompressDataLZ4HCMax(const u8* source, std::size_t source_size); +std::vector<u8> CompressDataLZ4HCMax(std::span<const u8> source); /** * Decompresses a source memory region with LZ4 and returns the uncompressed data in a vector. |