diff options
Diffstat (limited to '3rdparty/lzma/CPP/7zip/Compress/BranchMisc.cpp')
-rw-r--r-- | 3rdparty/lzma/CPP/7zip/Compress/BranchMisc.cpp | 97 |
1 files changed, 92 insertions, 5 deletions
diff --git a/3rdparty/lzma/CPP/7zip/Compress/BranchMisc.cpp b/3rdparty/lzma/CPP/7zip/Compress/BranchMisc.cpp index d0e75e83bf1..d9fec8c51a0 100644 --- a/3rdparty/lzma/CPP/7zip/Compress/BranchMisc.cpp +++ b/3rdparty/lzma/CPP/7zip/Compress/BranchMisc.cpp @@ -2,22 +2,109 @@ #include "StdAfx.h" +#include "../../../C/CpuArch.h" + +#include "../Common/StreamUtils.h" + #include "BranchMisc.h" namespace NCompress { namespace NBranch { -STDMETHODIMP CCoder::Init() +Z7_COM7F_IMF(CCoder::Init()) +{ + _pc = 0; + return S_OK; +} + + +Z7_COM7F_IMF2(UInt32, CCoder::Filter(Byte *data, UInt32 size)) +{ + const UInt32 processed = (UInt32)(size_t)(BraFunc(data, size, _pc) - data); + _pc += processed; + return processed; +} + + +namespace NArm64 { + +#ifndef Z7_EXTRACT_ONLY + +Z7_COM7F_IMF(CEncoder::Init()) +{ + _pc = _pc_Init; + return S_OK; +} + +Z7_COM7F_IMF2(UInt32, CEncoder::Filter(Byte *data, UInt32 size)) +{ + const UInt32 processed = (UInt32)(size_t)(Z7_BRANCH_CONV_ENC(ARM64)(data, size, _pc) - data); + _pc += processed; + return processed; +} + +Z7_COM7F_IMF(CEncoder::SetCoderProperties(const PROPID *propIDs, const PROPVARIANT *props, UInt32 numProps)) { - _bufferPos = 0; + UInt32 pc = 0; + for (UInt32 i = 0; i < numProps; i++) + { + const PROPID propID = propIDs[i]; + if (propID == NCoderPropID::kDefaultProp || + propID == NCoderPropID::kBranchOffset) + { + const PROPVARIANT &prop = props[i]; + if (prop.vt != VT_UI4) + return E_INVALIDARG; + pc = prop.ulVal; + if ((pc & 3) != 0) + return E_INVALIDARG; + } + } + _pc_Init = pc; return S_OK; } -STDMETHODIMP_(UInt32) CCoder::Filter(Byte *data, UInt32 size) + +Z7_COM7F_IMF(CEncoder::WriteCoderProperties(ISequentialOutStream *outStream)) +{ + if (_pc_Init == 0) + return S_OK; + Byte buf[4]; + SetUi32(buf, _pc_Init) + return WriteStream(outStream, buf, 4); +} + +#endif + + +Z7_COM7F_IMF(CDecoder::Init()) { - UInt32 processed = (UInt32)BraFunc(data, size, _bufferPos, _encode); - _bufferPos += processed; + _pc = _pc_Init; + return S_OK; +} + +Z7_COM7F_IMF2(UInt32, CDecoder::Filter(Byte *data, UInt32 size)) +{ + const UInt32 processed = (UInt32)(size_t)(Z7_BRANCH_CONV_DEC(ARM64)(data, size, _pc) - data); + _pc += processed; return processed; } +Z7_COM7F_IMF(CDecoder::SetDecoderProperties2(const Byte *props, UInt32 size)) +{ + UInt32 val = 0; + if (size != 0) + { + if (size != 4) + return E_NOTIMPL; + val = GetUi32(props); + if ((val & 3) != 0) + return E_NOTIMPL; + } + _pc_Init = val; + return S_OK; +} + +} + }} |