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88 lines
1.9 KiB
C++
Executable File
88 lines
1.9 KiB
C++
Executable File
// PpmdDecoder.h
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// 2009-05-30 : 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 "../../Common/MyCom.h"
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#include "../ICoder.h"
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#include "../Common/OutBuffer.h"
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#include "PpmdDecode.h"
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#include "RangeCoder.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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CRangeDecoder _rangeDecoder;
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COutBuffer _outStream;
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CDecodeInfo _info;
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Byte _order;
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UInt32 _usedMemorySize;
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int _remainLen;
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UInt64 _outSize;
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bool _outSizeDefined;
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UInt64 _processedSize;
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HRESULT CodeSpec(UInt32 num, Byte *memStream);
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public:
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#ifndef NO_READ_FROM_CODER
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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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void ReleaseStreams()
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{
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ReleaseInStream();
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_outStream.ReleaseStream();
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}
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HRESULT Flush() { return _outStream.Flush(); }
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STDMETHOD(CodeReal)(ISequentialInStream *inStream, ISequentialOutStream *outStream,
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const UInt64 *inSize, const UInt64 *outSize, ICompressProgressInfo *progress);
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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(SetInStream)(ISequentialInStream *inStream);
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STDMETHOD(ReleaseInStream)();
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STDMETHOD(SetOutStreamSize)(const UInt64 *outSize);
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#ifndef NO_READ_FROM_CODER
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STDMETHOD(Read)(void *data, UInt32 size, UInt32 *processedSize);
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#endif
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CDecoder(): _outSizeDefined(false) {}
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};
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}}
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#endif
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