Files
UnrealEngine/Engine/Source/Programs/Unsync/Private/UnsyncDiff.h
2025-05-18 13:04:45 +08:00

56 lines
1.8 KiB
C++

// Copyright Epic Games, Inc. All Rights Reserved.
#pragma once
#include "UnsyncCommon.h"
#include "UnsyncCore.h"
namespace unsync {
FNeedList DiffBlocks(const uint8* BaseData,
uint64 BaseDataSize,
uint32 BlockSize,
EWeakHashAlgorithmID WeakHasher,
EStrongHashAlgorithmID StrongHasher,
const FGenericBlockArray& SourceBlocks);
FNeedList DiffBlocksParallel(const uint8* BaseData,
uint64 BaseDataSize,
uint32 BlockSize,
EWeakHashAlgorithmID WeakHasher,
EStrongHashAlgorithmID StrongHasher,
const FGenericBlockArray& SourceBlocks,
uint64 BytesPerTask);
FNeedList DiffBlocks(FIOReader& BaseDataReader,
uint32 BlockSize,
EWeakHashAlgorithmID WeakHasher,
EStrongHashAlgorithmID StrongHasher,
const FGenericBlockArray& SourceBlocks);
FNeedList DiffBlocksParallel(FIOReader& BaseDataReader,
uint32 BlockSize,
EWeakHashAlgorithmID WeakHasher,
EStrongHashAlgorithmID StrongHasher,
const FGenericBlockArray& SourceBlocks,
uint64 BytesPerTask);
FNeedList DiffBlocksVariable(FIOReader& BaseDataReader,
uint32 BlockSize,
EWeakHashAlgorithmID WeakHasher,
EStrongHashAlgorithmID StrongHasher,
const FGenericBlockArray& SourceBlocks);
FNeedList DiffManifestBlocks(const FGenericBlockArray& SourceBlocks, const FGenericBlockArray& BaseBlocks);
FBuffer GeneratePatch(const uint8* BaseData,
uint64 BaseDataSize,
const uint8* SourceData,
uint64 SourceDataSize,
uint32 BlockSize,
EWeakHashAlgorithmID WeakHasher,
EStrongHashAlgorithmID StrongHasher,
int32 CompressionLevel = 3);
} // namespace unsync