79 lines
1.7 KiB
C++
79 lines
1.7 KiB
C++
// PpmdDecoder.h
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// 2009-03-11 : Igor Pavlov : Public domain
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#ifndef __COMPRESS_PPMD_DECODER_H
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#define __COMPRESS_PPMD_DECODER_H
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#include "../../../C/Ppmd7.h"
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#include "../../Common/MyCom.h"
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#include "../Common/CWrappers.h"
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#include "../ICoder.h"
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namespace NCompress {
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namespace NPpmd {
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class CDecoder :
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public ICompressCoder,
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public ICompressSetDecoderProperties2,
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#ifndef NO_READ_FROM_CODER
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public ICompressSetInStream,
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public ICompressSetOutStreamSize,
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public ISequentialInStream,
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#endif
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public CMyUnknownImp
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{
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Byte *_outBuf;
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CPpmd7z_RangeDec _rangeDec;
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CByteInBufWrap _inStream;
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CPpmd7 _ppmd;
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Byte _order;
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bool _outSizeDefined;
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int _status;
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UInt64 _outSize;
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UInt64 _processedSize;
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HRESULT CodeSpec(Byte *memStream, UInt32 size);
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public:
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#ifndef NO_READ_FROM_CODER
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CMyComPtr<ISequentialInStream> InSeqStream;
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MY_UNKNOWN_IMP4(
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ICompressSetDecoderProperties2,
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ICompressSetInStream,
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ICompressSetOutStreamSize,
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ISequentialInStream)
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#else
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MY_UNKNOWN_IMP1(
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ICompressSetDecoderProperties2)
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#endif
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STDMETHOD(Code)(ISequentialInStream *inStream, ISequentialOutStream *outStream,
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const UInt64 *inSize, const UInt64 *outSize, ICompressProgressInfo *progress);
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STDMETHOD(SetDecoderProperties2)(const Byte *data, UInt32 size);
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STDMETHOD(SetOutStreamSize)(const UInt64 *outSize);
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#ifndef NO_READ_FROM_CODER
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STDMETHOD(SetInStream)(ISequentialInStream *inStream);
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STDMETHOD(ReleaseInStream)();
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STDMETHOD(Read)(void *data, UInt32 size, UInt32 *processedSize);
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#endif
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CDecoder(): _outBuf(NULL), _outSizeDefined(false)
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{
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Ppmd7z_RangeDec_CreateVTable(&_rangeDec);
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_rangeDec.Stream = &_inStream.p;
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Ppmd7_Construct(&_ppmd);
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}
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~CDecoder();
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};
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}}
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#endif
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