Files
easy7zip/CPP/7zip/Compress/PPMD/PPMDEncoder.h
Igor Pavlov 173c07e166 4.59 beta
2016-05-28 00:15:56 +01:00

82 lines
1.6 KiB
C++
Executable File

// Compress/PPMD/Encoder.h
#ifndef __COMPRESS_PPMD_ENCODER_H
#define __COMPRESS_PPMD_ENCODER_H
#include "../../../Common/MyCom.h"
#include "../../ICoder.h"
#include "../../Common/InBuffer.h"
#include "../RangeCoder/RangeCoder.h"
#include "PPMDEncode.h"
namespace NCompress {
namespace NPPMD {
class CEncoder :
public ICompressCoder,
public ICompressSetCoderProperties,
public ICompressWriteCoderProperties,
public CMyUnknownImp
{
public:
CInBuffer _inStream;
NRangeCoder::CEncoder _rangeEncoder;
CEncodeInfo _info;
UInt32 _usedMemorySize;
Byte _order;
HRESULT Flush()
{
_rangeEncoder.FlushData();
return _rangeEncoder.FlushStream();
}
void ReleaseStreams()
{
_inStream.ReleaseStream();
_rangeEncoder.ReleaseStream();
}
HRESULT CodeReal(ISequentialInStream *inStream,
ISequentialOutStream *outStream, const UInt64 *inSize, const UInt64 *outSize,
ICompressProgressInfo *progress);
class CEncoderFlusher
{
CEncoder *_encoder;
public:
CEncoderFlusher(CEncoder *encoder): _encoder(encoder) {}
~CEncoderFlusher()
{
_encoder->Flush();
_encoder->ReleaseStreams();
}
};
public:
MY_UNKNOWN_IMP2(
ICompressSetCoderProperties,
ICompressWriteCoderProperties)
STDMETHOD(Code)(ISequentialInStream *inStream,
ISequentialOutStream *outStream, const UInt64 *inSize, const UInt64 *outSize,
ICompressProgressInfo *progress);
STDMETHOD(SetCoderProperties)(const PROPID *propIDs,
const PROPVARIANT *properties, UInt32 numProperties);
STDMETHOD(WriteCoderProperties)(ISequentialOutStream *outStream);
CEncoder();
};
}}
#endif