mirror of
https://github.com/holub/mame
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128 lines
2.8 KiB
C++
128 lines
2.8 KiB
C++
// Bcj2Coder.h
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#ifndef ZIP7_INC_COMPRESS_BCJ2_CODER_H
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#define ZIP7_INC_COMPRESS_BCJ2_CODER_H
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#include "../../../C/Bcj2.h"
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#include "../../Common/MyCom.h"
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#include "../ICoder.h"
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namespace NCompress {
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namespace NBcj2 {
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class CBaseCoder
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{
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protected:
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Byte *_bufs[BCJ2_NUM_STREAMS + 1];
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UInt32 _bufsSizes[BCJ2_NUM_STREAMS + 1];
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UInt32 _bufsSizes_New[BCJ2_NUM_STREAMS + 1];
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HRESULT Alloc(bool allocForOrig = true);
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public:
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CBaseCoder();
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~CBaseCoder();
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};
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#ifndef Z7_EXTRACT_ONLY
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class CEncoder Z7_final:
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public ICompressCoder2,
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public ICompressSetCoderProperties,
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public ICompressSetBufSize,
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public CMyUnknownImp,
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public CBaseCoder
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{
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Z7_IFACES_IMP_UNK_3(
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ICompressCoder2,
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ICompressSetCoderProperties,
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ICompressSetBufSize)
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UInt32 _relatLim;
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// UInt32 _excludeRangeBits;
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HRESULT CodeReal(
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ISequentialInStream * const *inStreams, const UInt64 * const *inSizes, UInt32 numInStreams,
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ISequentialOutStream * const *outStreams, const UInt64 * const *outSizes, UInt32 numOutStreams,
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ICompressProgressInfo *progress);
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public:
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CEncoder();
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~CEncoder();
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};
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#endif
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class CBaseDecoder: public CBaseCoder
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{
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protected:
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HRESULT _readRes[BCJ2_NUM_STREAMS];
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unsigned _extraSizes[BCJ2_NUM_STREAMS];
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UInt64 _readSizes[BCJ2_NUM_STREAMS];
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CBcj2Dec dec;
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UInt64 GetProcessedSize_ForInStream(unsigned i) const
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{
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return _readSizes[i] - ((size_t)(dec.lims[i] - dec.bufs[i]) + _extraSizes[i]);
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}
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void InitCommon();
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void ReadInStream(ISequentialInStream *inStream);
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};
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class CDecoder Z7_final:
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public ICompressCoder2,
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public ICompressSetFinishMode,
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public ICompressGetInStreamProcessedSize2,
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public ICompressSetBufSize,
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#ifndef Z7_NO_READ_FROM_CODER
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public ICompressSetInStream2,
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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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public CBaseDecoder
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{
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Z7_COM_QI_BEGIN2(ICompressCoder2)
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Z7_COM_QI_ENTRY(ICompressSetFinishMode)
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Z7_COM_QI_ENTRY(ICompressGetInStreamProcessedSize2)
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Z7_COM_QI_ENTRY(ICompressSetBufSize)
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#ifndef Z7_NO_READ_FROM_CODER
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Z7_COM_QI_ENTRY(ICompressSetInStream2)
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Z7_COM_QI_ENTRY(ICompressSetOutStreamSize)
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Z7_COM_QI_ENTRY(ISequentialInStream)
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#endif
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Z7_COM_QI_END
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Z7_COM_ADDREF_RELEASE
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Z7_IFACE_COM7_IMP(ICompressCoder2)
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Z7_IFACE_COM7_IMP(ICompressSetFinishMode)
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Z7_IFACE_COM7_IMP(ICompressGetInStreamProcessedSize2)
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Z7_IFACE_COM7_IMP(ICompressSetBufSize)
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#ifndef Z7_NO_READ_FROM_CODER
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Z7_IFACE_COM7_IMP(ICompressSetInStream2)
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Z7_IFACE_COM7_IMP(ICompressSetOutStreamSize)
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Z7_IFACE_COM7_IMP(ISequentialInStream)
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#endif
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bool _finishMode;
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#ifndef Z7_NO_READ_FROM_CODER
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bool _outSizeDefined;
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UInt64 _outSize;
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UInt64 _outSize_Processed;
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CMyComPtr<ISequentialInStream> _inStreams[BCJ2_NUM_STREAMS];
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#endif
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public:
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CDecoder();
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};
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}}
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#endif
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