37 lines
927 B
C++
37 lines
927 B
C++
/***
|
|
Copyright (C) 2021 J Reece Wilson (a/k/a "Reece"). All rights reserved.
|
|
|
|
File: CompressionInfo.hpp
|
|
Date: 2021-6-10
|
|
Author: Reece
|
|
***/
|
|
#pragma once
|
|
|
|
namespace Aurora::Compression
|
|
{
|
|
struct CompressionInfo
|
|
{
|
|
ECompresionType type;
|
|
|
|
/// ZSTD: -5 <= level <= 22
|
|
/// recommended: ZSTD_CLEVEL_DEFAULT
|
|
/// LZMA: 0 <= level <= 9
|
|
/// LZ4 : N/A
|
|
/// ZLIB: 0 <= x >= 9
|
|
/// recommended: 6
|
|
/// BZIP: 0 <= x >= 9
|
|
AuInt8 compressionLevel{};
|
|
|
|
/// LZMA: 5 <= fb <= 273, default = 32
|
|
AuUInt32 fbWordSize{};
|
|
|
|
/// LZMA only
|
|
/// (1 << 12) <= dictSize <= (1 << 27) for 32-bit version
|
|
/// (1 << 12) <= dictSize <= (3 << 29) for 64-bit version
|
|
/// default = (1 << 24)
|
|
AuUInt32 dictSize{};
|
|
|
|
// 64KiB is a recommended "small" block size
|
|
AuUInt16 lz4BlockSize {};
|
|
};
|
|
} |