mirror of
https://github.com/Mauler125/r5sdk.git
synced 2025-02-09 19:15:03 +01:00
37 lines
1.6 KiB
C
37 lines
1.6 KiB
C
|
#pragma once
|
||
|
|
|
||
|
|
#include <memory>
|
||
|
|
#include <cstdint>
|
||
|
|
|
||
|
|
namespace Compression
|
||
|
|
{
|
||
|
|
// This enumeration represents the various supported compression levels
|
||
|
|
enum class LZ4CompressionLevel : uint8_t
|
||
|
|
{
|
||
|
|
Min = 3,
|
||
|
|
Default = 9,
|
||
|
|
OptMin = 10,
|
||
|
|
Max = 12
|
||
|
|
};
|
||
|
|
|
||
|
|
// A compression codec that implements the LZ4 algo.
|
||
|
|
class LZ4Codec
|
||
|
|
{
|
||
|
|
public:
|
||
|
|
|
||
|
|
// Compress the input buffer using the LZ4 codec
|
||
|
|
static uint64_t Compress(uint8_t* Input, uint64_t InputOffset, uint64_t InputLength, uint8_t* Output, uint64_t OutputOffset, uint64_t OutputLength);
|
||
|
|
// Compress the input buffer using the LZ4 codec
|
||
|
|
static std::unique_ptr<uint8_t[]> Compress(uint8_t* Input, uint64_t InputOffset, uint64_t InputLength, uint64_t& OutputLength);
|
||
|
|
|
||
|
|
// Compress the input buffer using the LZ4 codec (High Compression)
|
||
|
|
static uint64_t CompressHC(uint8_t* Input, uint64_t InputOffset, uint64_t InputLength, uint8_t* Output, uint64_t OutputOffset, uint64_t OutputLength, LZ4CompressionLevel Level = LZ4CompressionLevel::Max);
|
||
|
|
// Compress the input buffer using the LZ4 codec (High Compression)
|
||
|
|
static std::unique_ptr<uint8_t[]> CompressHC(uint8_t* Input, uint64_t InputOffset, uint64_t InputLength, uint64_t& OutputLength, LZ4CompressionLevel Level = LZ4CompressionLevel::Max);
|
||
|
|
|
||
|
|
// Decompress the input buffer using the LZ4 codec
|
||
|
|
static uint64_t Decompress(uint8_t* Input, uint64_t InputOffset, uint64_t InputLength, uint8_t* Output, uint64_t OutputOffset, uint64_t OutputLength);
|
||
|
|
// Decompress the input buffer using the LZ4 codec (With known output length)
|
||
|
|
static std::unique_ptr<uint8_t[]> Decompress(uint8_t* Input, uint64_t InputOffset, uint64_t InputLength, uint64_t KnownOutputLength);
|
||
|
|
};
|
||
|
|
}
|