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// PpmdEncoder.h
// 2009-05-30 : Igor Pavlov : Public domain
#ifndef __COMPRESS_PPMD_ENCODER_H
#define __COMPRESS_PPMD_ENCODER_H
#include "../../Common/MyCom.h"
#include "../ICoder.h"
#include "../Common/InBuffer.h"
#include "PpmdEncode.h"
#include "RangeCoder.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 *props, UInt32 numProps);
STDMETHOD(WriteCoderProperties)(ISequentialOutStream *outStream);
CEncoder();
};
}}
#endif
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