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// Bcj2Coder.h
#ifndef __COMPRESS_BCJ2_CODER_H
#define __COMPRESS_BCJ2_CODER_H
#include "../../Common/MyCom.h"
#include "../ICoder.h"
#include "RangeCoderBit.h"
namespace NCompress {
namespace NBcj2 {
const int kNumMoveBits = 5;
#ifndef EXTRACT_ONLY
class CEncoder:
public ICompressCoder2,
public CMyUnknownImp
{
Byte *_buffer;
bool Create();
COutBuffer _mainStream;
COutBuffer _callStream;
COutBuffer _jumpStream;
NCompress::NRangeCoder::CEncoder _rangeEncoder;
NCompress::NRangeCoder::CBitEncoder<kNumMoveBits> _statusEncoder[256 + 2];
HRESULT Flush();
public:
void ReleaseStreams()
{
_mainStream.ReleaseStream();
_callStream.ReleaseStream();
_jumpStream.ReleaseStream();
_rangeEncoder.ReleaseStream();
}
class CCoderReleaser
{
CEncoder *_coder;
public:
CCoderReleaser(CEncoder *coder): _coder(coder) {}
~CCoderReleaser() { _coder->ReleaseStreams(); }
};
public:
MY_UNKNOWN_IMP
HRESULT CodeReal(ISequentialInStream **inStreams, const UInt64 **inSizes, UInt32 numInStreams,
ISequentialOutStream **outStreams, const UInt64 **outSizes, UInt32 numOutStreams,
ICompressProgressInfo *progress);
STDMETHOD(Code)(ISequentialInStream **inStreams, const UInt64 **inSizes, UInt32 numInStreams,
ISequentialOutStream **outStreams, const UInt64 **outSizes, UInt32 numOutStreams,
ICompressProgressInfo *progress);
CEncoder(): _buffer(0) {};
~CEncoder();
};
#endif
class CDecoder:
public ICompressCoder2,
public ICompressSetBufSize,
public CMyUnknownImp
{
CInBuffer _mainInStream;
CInBuffer _callStream;
CInBuffer _jumpStream;
NCompress::NRangeCoder::CDecoder _rangeDecoder;
NCompress::NRangeCoder::CBitDecoder<kNumMoveBits> _statusDecoder[256 + 2];
COutBuffer _outStream;
UInt32 _inBufSizes[4];
UInt32 _outBufSize;
public:
void ReleaseStreams()
{
_mainInStream.ReleaseStream();
_callStream.ReleaseStream();
_jumpStream.ReleaseStream();
_rangeDecoder.ReleaseStream();
_outStream.ReleaseStream();
}
HRESULT Flush() { return _outStream.Flush(); }
class CCoderReleaser
{
CDecoder *_coder;
public:
CCoderReleaser(CDecoder *coder): _coder(coder) {}
~CCoderReleaser() { _coder->ReleaseStreams(); }
};
public:
MY_UNKNOWN_IMP1(ICompressSetBufSize);
HRESULT CodeReal(ISequentialInStream **inStreams, const UInt64 **inSizes, UInt32 numInStreams,
ISequentialOutStream **outStreams, const UInt64 **outSizes, UInt32 numOutStreams,
ICompressProgressInfo *progress);
STDMETHOD(Code)(ISequentialInStream **inStreams, const UInt64 **inSizes, UInt32 numInStreams,
ISequentialOutStream **outStreams, const UInt64 **outSizes, UInt32 numOutStreams,
ICompressProgressInfo *progress);
STDMETHOD(SetInBufSize)(UInt32 streamIndex, UInt32 size);
STDMETHOD(SetOutBufSize)(UInt32 streamIndex, UInt32 size);
CDecoder();
};
}}
#endif
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