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author | 2015-01-11 08:10:25 +0100 | |
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committer | 2015-01-11 08:10:25 +0100 | |
commit | 6a23c2f3b766cf4fc7028628f76b5ff9396383f0 (patch) | |
tree | a01e16637118ae0c80f337119898bdf18f081e24 /3rdparty/lzma/CPP/7zip/Common/CreateCoder.cpp | |
parent | 45ac9b351e0076c371de4c7453f59567b27b1cb6 (diff) |
Added full lzma sdk source (nw)
Diffstat (limited to '3rdparty/lzma/CPP/7zip/Common/CreateCoder.cpp')
-rw-r--r-- | 3rdparty/lzma/CPP/7zip/Common/CreateCoder.cpp | 293 |
1 files changed, 293 insertions, 0 deletions
diff --git a/3rdparty/lzma/CPP/7zip/Common/CreateCoder.cpp b/3rdparty/lzma/CPP/7zip/Common/CreateCoder.cpp new file mode 100644 index 00000000000..cc82a0db531 --- /dev/null +++ b/3rdparty/lzma/CPP/7zip/Common/CreateCoder.cpp @@ -0,0 +1,293 @@ +// CreateCoder.cpp + +#include "StdAfx.h" + +#include "../../Windows/Defs.h" +#include "../../Windows/PropVariant.h" + +#include "CreateCoder.h" + +#include "FilterCoder.h" +#include "RegisterCodec.h" + +static const unsigned int kNumCodecsMax = 64; +unsigned int g_NumCodecs = 0; +const CCodecInfo *g_Codecs[kNumCodecsMax]; +void RegisterCodec(const CCodecInfo *codecInfo) +{ + if (g_NumCodecs < kNumCodecsMax) + g_Codecs[g_NumCodecs++] = codecInfo; +} + +#ifdef EXTERNAL_CODECS +static HRESULT ReadNumberOfStreams(ICompressCodecsInfo *codecsInfo, UInt32 index, PROPID propID, UInt32 &res) +{ + NWindows::NCOM::CPropVariant prop; + RINOK(codecsInfo->GetProperty(index, propID, &prop)); + if (prop.vt == VT_EMPTY) + res = 1; + else if (prop.vt == VT_UI4) + res = prop.ulVal; + else + return E_INVALIDARG; + return S_OK; +} + +static HRESULT ReadIsAssignedProp(ICompressCodecsInfo *codecsInfo, UInt32 index, PROPID propID, bool &res) +{ + NWindows::NCOM::CPropVariant prop; + RINOK(codecsInfo->GetProperty(index, propID, &prop)); + if (prop.vt == VT_EMPTY) + res = true; + else if (prop.vt == VT_BOOL) + res = VARIANT_BOOLToBool(prop.boolVal); + else + return E_INVALIDARG; + return S_OK; +} + +HRESULT LoadExternalCodecs(ICompressCodecsInfo *codecsInfo, CObjectVector<CCodecInfoEx> &externalCodecs) +{ + UInt32 num; + RINOK(codecsInfo->GetNumberOfMethods(&num)); + for (UInt32 i = 0; i < num; i++) + { + CCodecInfoEx info; + NWindows::NCOM::CPropVariant prop; + RINOK(codecsInfo->GetProperty(i, NMethodPropID::kID, &prop)); + // if (prop.vt != VT_BSTR) + // info.Id.IDSize = (Byte)SysStringByteLen(prop.bstrVal); + // memmove(info.Id.ID, prop.bstrVal, info.Id.IDSize); + if (prop.vt != VT_UI8) + { + continue; // old Interface + // return E_INVALIDARG; + } + info.Id = prop.uhVal.QuadPart; + prop.Clear(); + + RINOK(codecsInfo->GetProperty(i, NMethodPropID::kName, &prop)); + if (prop.vt == VT_BSTR) + info.Name = prop.bstrVal; + else if (prop.vt != VT_EMPTY) + return E_INVALIDARG;; + + RINOK(ReadNumberOfStreams(codecsInfo, i, NMethodPropID::kInStreams, info.NumInStreams)); + RINOK(ReadNumberOfStreams(codecsInfo, i, NMethodPropID::kOutStreams, info.NumOutStreams)); + RINOK(ReadIsAssignedProp(codecsInfo, i, NMethodPropID::kEncoderIsAssigned, info.EncoderIsAssigned)); + RINOK(ReadIsAssignedProp(codecsInfo, i, NMethodPropID::kDecoderIsAssigned, info.DecoderIsAssigned)); + + externalCodecs.Add(info); + } + return S_OK; +} + +#endif + +bool FindMethod( + #ifdef EXTERNAL_CODECS + ICompressCodecsInfo * /* codecsInfo */, const CObjectVector<CCodecInfoEx> *externalCodecs, + #endif + const UString &name, + CMethodId &methodId, UInt32 &numInStreams, UInt32 &numOutStreams) +{ + UInt32 i; + for (i = 0; i < g_NumCodecs; i++) + { + const CCodecInfo &codec = *g_Codecs[i]; + if (name.CompareNoCase(codec.Name) == 0) + { + methodId = codec.Id; + numInStreams = codec.NumInStreams; + numOutStreams = 1; + return true; + } + } + #ifdef EXTERNAL_CODECS + if (externalCodecs) + for (i = 0; i < (UInt32)externalCodecs->Size(); i++) + { + const CCodecInfoEx &codec = (*externalCodecs)[i]; + if (codec.Name.CompareNoCase(name) == 0) + { + methodId = codec.Id; + numInStreams = codec.NumInStreams; + numOutStreams = codec.NumOutStreams; + return true; + } + } + #endif + return false; +} + +bool FindMethod( + #ifdef EXTERNAL_CODECS + ICompressCodecsInfo * /* codecsInfo */, const CObjectVector<CCodecInfoEx> *externalCodecs, + #endif + CMethodId methodId, UString &name) +{ + UInt32 i; + for (i = 0; i < g_NumCodecs; i++) + { + const CCodecInfo &codec = *g_Codecs[i]; + if (methodId == codec.Id) + { + name = codec.Name; + return true; + } + } + #ifdef EXTERNAL_CODECS + if (externalCodecs) + for (i = 0; i < (UInt32)externalCodecs->Size(); i++) + { + const CCodecInfoEx &codec = (*externalCodecs)[i]; + if (methodId == codec.Id) + { + name = codec.Name; + return true; + } + } + #endif + return false; +} + +HRESULT CreateCoder( + DECL_EXTERNAL_CODECS_LOC_VARS + CMethodId methodId, + CMyComPtr<ICompressFilter> &filter, + CMyComPtr<ICompressCoder> &coder, + CMyComPtr<ICompressCoder2> &coder2, + bool encode, bool onlyCoder) +{ + bool created = false; + UInt32 i; + for (i = 0; i < g_NumCodecs; i++) + { + const CCodecInfo &codec = *g_Codecs[i]; + if (codec.Id == methodId) + { + if (encode) + { + if (codec.CreateEncoder) + { + void *p = codec.CreateEncoder(); + if (codec.IsFilter) filter = (ICompressFilter *)p; + else if (codec.NumInStreams == 1) coder = (ICompressCoder *)p; + else coder2 = (ICompressCoder2 *)p; + created = (p != 0); + break; + } + } + else + if (codec.CreateDecoder) + { + void *p = codec.CreateDecoder(); + if (codec.IsFilter) filter = (ICompressFilter *)p; + else if (codec.NumInStreams == 1) coder = (ICompressCoder *)p; + else coder2 = (ICompressCoder2 *)p; + created = (p != 0); + break; + } + } + } + + #ifdef EXTERNAL_CODECS + if (!created && externalCodecs) + for (i = 0; i < (UInt32)externalCodecs->Size(); i++) + { + const CCodecInfoEx &codec = (*externalCodecs)[i]; + if (codec.Id == methodId) + { + if (encode) + { + if (codec.EncoderIsAssigned) + { + if (codec.IsSimpleCodec()) + { + HRESULT result = codecsInfo->CreateEncoder(i, &IID_ICompressCoder, (void **)&coder); + if (result != S_OK && result != E_NOINTERFACE && result != CLASS_E_CLASSNOTAVAILABLE) + return result; + if (!coder) + { + RINOK(codecsInfo->CreateEncoder(i, &IID_ICompressFilter, (void **)&filter)); + } + } + else + { + RINOK(codecsInfo->CreateEncoder(i, &IID_ICompressCoder2, (void **)&coder2)); + } + break; + } + } + else + if (codec.DecoderIsAssigned) + { + if (codec.IsSimpleCodec()) + { + HRESULT result = codecsInfo->CreateDecoder(i, &IID_ICompressCoder, (void **)&coder); + if (result != S_OK && result != E_NOINTERFACE && result != CLASS_E_CLASSNOTAVAILABLE) + return result; + if (!coder) + { + RINOK(codecsInfo->CreateDecoder(i, &IID_ICompressFilter, (void **)&filter)); + } + } + else + { + RINOK(codecsInfo->CreateDecoder(i, &IID_ICompressCoder2, (void **)&coder2)); + } + break; + } + } + } + #endif + + if (onlyCoder && filter) + { + CFilterCoder *coderSpec = new CFilterCoder; + coder = coderSpec; + coderSpec->Filter = filter; + } + return S_OK; +} + +HRESULT CreateCoder( + DECL_EXTERNAL_CODECS_LOC_VARS + CMethodId methodId, + CMyComPtr<ICompressCoder> &coder, + CMyComPtr<ICompressCoder2> &coder2, + bool encode) +{ + CMyComPtr<ICompressFilter> filter; + return CreateCoder( + EXTERNAL_CODECS_LOC_VARS + methodId, + filter, coder, coder2, encode, true); +} + +HRESULT CreateCoder( + DECL_EXTERNAL_CODECS_LOC_VARS + CMethodId methodId, + CMyComPtr<ICompressCoder> &coder, bool encode) +{ + CMyComPtr<ICompressFilter> filter; + CMyComPtr<ICompressCoder2> coder2; + return CreateCoder( + EXTERNAL_CODECS_LOC_VARS + methodId, + coder, coder2, encode); +} + +HRESULT CreateFilter( + DECL_EXTERNAL_CODECS_LOC_VARS + CMethodId methodId, + CMyComPtr<ICompressFilter> &filter, + bool encode) +{ + CMyComPtr<ICompressCoder> coder; + CMyComPtr<ICompressCoder2> coder2; + return CreateCoder( + EXTERNAL_CODECS_LOC_VARS + methodId, + filter, coder, coder2, encode, false); +} |