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83 lines
2.0 KiB
C++
83 lines
2.0 KiB
C++
// Bcj2Coder.h
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#ifndef __COMPRESS_BCJ2_CODER_H
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#define __COMPRESS_BCJ2_CODER_H
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#include "../../Common/MyCom.h"
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#include "../ICoder.h"
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#include "RangeCoderBit.h"
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namespace NCompress {
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namespace NBcj2 {
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const unsigned kNumMoveBits = 5;
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#ifndef EXTRACT_ONLY
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class CEncoder:
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public ICompressCoder2,
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public CMyUnknownImp
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{
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Byte *_buf;
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COutBuffer _mainStream;
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COutBuffer _callStream;
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COutBuffer _jumpStream;
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NRangeCoder::CEncoder _rc;
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NRangeCoder::CBitEncoder<kNumMoveBits> _statusEncoder[256 + 2];
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HRESULT Flush();
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public:
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MY_UNKNOWN_IMP
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HRESULT CodeReal(ISequentialInStream **inStreams, const UInt64 **inSizes, UInt32 numInStreams,
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ISequentialOutStream **outStreams, const UInt64 **outSizes, UInt32 numOutStreams,
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ICompressProgressInfo *progress);
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STDMETHOD(Code)(ISequentialInStream **inStreams, const UInt64 **inSizes, UInt32 numInStreams,
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ISequentialOutStream **outStreams, const UInt64 **outSizes, UInt32 numOutStreams,
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ICompressProgressInfo *progress);
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CEncoder(): _buf(0) {};
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~CEncoder();
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};
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#endif
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class CDecoder:
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public ICompressCoder2,
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public ICompressSetBufSize,
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public CMyUnknownImp
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{
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CInBuffer _mainStream;
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CInBuffer _callStream;
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CInBuffer _jumpStream;
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NRangeCoder::CDecoder _rc;
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NRangeCoder::CBitDecoder<kNumMoveBits> _statusDecoder[256 + 2];
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COutBuffer _outStream;
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UInt32 _inBufSizes[4];
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UInt32 _outBufSize;
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public:
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MY_UNKNOWN_IMP1(ICompressSetBufSize);
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HRESULT CodeReal(ISequentialInStream **inStreams, const UInt64 **inSizes, UInt32 numInStreams,
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ISequentialOutStream **outStreams, const UInt64 **outSizes, UInt32 numOutStreams,
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ICompressProgressInfo *progress);
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STDMETHOD(Code)(ISequentialInStream **inStreams, const UInt64 **inSizes, UInt32 numInStreams,
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ISequentialOutStream **outStreams, const UInt64 **outSizes, UInt32 numOutStreams,
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ICompressProgressInfo *progress);
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STDMETHOD(SetInBufSize)(UInt32 streamIndex, UInt32 size);
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STDMETHOD(SetOutBufSize)(UInt32 streamIndex, UInt32 size);
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CDecoder();
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};
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}}
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#endif
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