HRESULT CDecoder::Code(const CHeader &header, ISequentialOutStream *outStream, ICompressProgressInfo *progress) { if (header.FilterID > 1) return E_NOTIMPL; { CMyComPtr<ICompressSetDecoderProperties2> setDecoderProperties; _lzmaDecoder.QueryInterface(IID_ICompressSetDecoderProperties2, &setDecoderProperties); if (!setDecoderProperties) return E_NOTIMPL; RINOK(setDecoderProperties->SetDecoderProperties2(header.LzmaProps, 5)); } CMyComPtr<ICompressSetOutStream> setOutStream; bool filteredMode = (header.FilterID == 1); if (filteredMode) { _bcjStream.QueryInterface(IID_ICompressSetOutStream, &setOutStream); if (!setOutStream) return E_NOTIMPL; RINOK(setOutStream->SetOutStream(outStream)); outStream = _bcjStream; } const UInt64 *Size = header.HasSize() ? &header.Size : NULL; HRESULT res = _lzmaDecoderSpec->CodeResume(outStream, Size, progress); if (filteredMode) { CMyComPtr<IOutStreamFlush> flush; _bcjStream.QueryInterface(IID_IOutStreamFlush, &flush); if (flush) { HRESULT res2 = flush->Flush(); if (res == S_OK) res = res2; } HRESULT res2 = setOutStream->ReleaseOutStream(); if (res == S_OK) res = res2; } RINOK(res); if (header.HasSize()) if (_lzmaDecoderSpec->GetOutputProcessedSize() != header.Size) return S_FALSE; return S_OK; }
STDMETHODIMP CFilterCoder::Flush() { if (_bufferPos != 0) { UInt32 endPos = Filter->Filter(_buffer, _bufferPos); if (endPos > _bufferPos) { for (; _bufferPos < endPos; _bufferPos++) _buffer[_bufferPos] = 0; if (Filter->Filter(_buffer, endPos) != endPos) return E_FAIL; } RINOK(WriteStream(_outStream, _buffer, _bufferPos)); _bufferPos = 0; } CMyComPtr<IOutStreamFlush> flush; _outStream.QueryInterface(IID_IOutStreamFlush, &flush); if (flush) return flush->Flush(); return S_OK; }
STDMETHODIMP CFilterCoder::Flush() { if (_bufferPos != 0) { // _buffer contains only data refused by previous Filter->Filter call. UInt32 endPos = Filter->Filter(_buffer, _bufferPos); if (endPos > _bufferPos) { for (; _bufferPos < endPos; _bufferPos++) _buffer[_bufferPos] = 0; if (Filter->Filter(_buffer, endPos) != endPos) return E_FAIL; } RINOK(WriteWithLimit(_outStream, _bufferPos)); _bufferPos = 0; } CMyComPtr<IOutStreamFlush> flush; _outStream.QueryInterface(IID_IOutStreamFlush, &flush); if (flush) return flush->Flush(); return S_OK; }
STDMETHODIMP CCoderMixer2ST::Code(ISequentialInStream **inStreams, const UInt64 **inSizes, UInt32 numInStreams, ISequentialOutStream **outStreams, const UInt64 **outSizes, UInt32 numOutStreams, ICompressProgressInfo *progress) { if (numInStreams != (UInt32)_bindInfo.InStreams.Size() || numOutStreams != (UInt32)_bindInfo.OutStreams.Size()) return E_INVALIDARG; // Find main coder int _mainCoderIndex = -1; int i; for (i = 0; i < _coders.Size(); i++) if (_coders[i].IsMain) { _mainCoderIndex = i; break; } if (_mainCoderIndex < 0) for (i = 0; i < _coders.Size(); i++) if (_coders[i].NumInStreams > 1) { if (_mainCoderIndex >= 0) return E_NOTIMPL; _mainCoderIndex = i; } if (_mainCoderIndex < 0) _mainCoderIndex = 0; // _mainCoderIndex = 0; // _mainCoderIndex = _coders.Size() - 1; CCoderInfo &mainCoder = _coders[_mainCoderIndex]; CObjectVector< CMyComPtr<ISequentialInStream> > seqInStreams; CObjectVector< CMyComPtr<ISequentialOutStream> > seqOutStreams; UInt32 startInIndex = _bindInfo.GetCoderInStreamIndex(_mainCoderIndex); UInt32 startOutIndex = _bindInfo.GetCoderOutStreamIndex(_mainCoderIndex); for (i = 0; i < (int)mainCoder.NumInStreams; i++) { CMyComPtr<ISequentialInStream> seqInStream; RINOK(GetInStream(inStreams, inSizes, startInIndex + i, &seqInStream)); seqInStreams.Add(seqInStream); } for (i = 0; i < (int)mainCoder.NumOutStreams; i++) { CMyComPtr<ISequentialOutStream> seqOutStream; RINOK(GetOutStream(outStreams, outSizes, startOutIndex + i, &seqOutStream)); seqOutStreams.Add(seqOutStream); } CRecordVector< ISequentialInStream * > seqInStreamsSpec; CRecordVector< ISequentialOutStream * > seqOutStreamsSpec; for (i = 0; i < (int)mainCoder.NumInStreams; i++) seqInStreamsSpec.Add(seqInStreams[i]); for (i = 0; i < (int)mainCoder.NumOutStreams; i++) seqOutStreamsSpec.Add(seqOutStreams[i]); for (i = 0; i < _coders.Size(); i++) { if (i == _mainCoderIndex) continue; CCoderInfo &coder = _coders[i]; CMyComPtr<ICompressSetOutStreamSize> setOutStreamSize; coder.Coder.QueryInterface(IID_ICompressSetOutStreamSize, &setOutStreamSize); if (setOutStreamSize) { RINOK(setOutStreamSize->SetOutStreamSize(coder.OutSizePointers[0])); } } if (mainCoder.Coder) { RINOK(mainCoder.Coder->Code( seqInStreamsSpec[0], seqOutStreamsSpec[0], mainCoder.InSizePointers[0], mainCoder.OutSizePointers[0], progress)); } else { RINOK(mainCoder.Coder2->Code( &seqInStreamsSpec.Front(), &mainCoder.InSizePointers.Front(), mainCoder.NumInStreams, &seqOutStreamsSpec.Front(), &mainCoder.OutSizePointers.Front(), mainCoder.NumOutStreams, progress)); } CMyComPtr<IOutStreamFlush> flush; seqOutStreams.Front().QueryInterface(IID_IOutStreamFlush, &flush); if (flush) return flush->Flush(); return S_OK; }