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chudov
2008-10-13 19:25:11 +00:00
parent 2e379c72e2
commit 36757fca7a
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111
MAC_SDK/Source/MACLib/NewPredictor.h Normal file
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#ifndef APE_NEWPREDICTOR_H
#define APE_NEWPREDICTOR_H
#include "Predictor.h"
#include "RollBuffer.h"
#include "NNFilter.h"
#include "ScaledFirstOrderFilter.h"
/*************************************************************************************************
Functions to create the interfaces
*************************************************************************************************/
IPredictorCompress * __stdcall CreateIPredictorCompress();
IPredictorDecompress * __stdcall CreateIPredictorDecompress();
#define WINDOW_BLOCKS 512
#define BUFFER_COUNT 1
#define HISTORY_ELEMENTS 8
#define M_COUNT 8
class CPredictorCompressNormal : public IPredictorCompress
{
public:
CPredictorCompressNormal(int nCompressionLevel);
virtual ~CPredictorCompressNormal();
int CompressValue(int nA, int nB = 0);
int Flush();
protected:
// buffer information
CRollBufferFast<int, WINDOW_BLOCKS, 10> m_rbPrediction;
CRollBufferFast<int, WINDOW_BLOCKS, 9> m_rbAdapt;
CScaledFirstOrderFilter<31, 5> m_Stage1FilterA;
CScaledFirstOrderFilter<31, 5> m_Stage1FilterB;
// adaption
int m_aryM[9];
// other
int m_nCurrentIndex;
CNNFilter * m_pNNFilter;
CNNFilter * m_pNNFilter1;
CNNFilter * m_pNNFilter2;
};
class CPredictorDecompressNormal3930to3950 : public IPredictorDecompress
{
public:
CPredictorDecompressNormal3930to3950(int nCompressionLevel, int nVersion);
virtual ~CPredictorDecompressNormal3930to3950();
int DecompressValue(int nInput, int);
int Flush();
protected:
// buffer information
int * m_pBuffer[BUFFER_COUNT];
// adaption
int m_aryM[M_COUNT];
// buffer pointers
int * m_pInputBuffer;
// other
int m_nCurrentIndex;
int m_nLastValue;
CNNFilter * m_pNNFilter;
CNNFilter * m_pNNFilter1;
};
class CPredictorDecompress3950toCurrent : public IPredictorDecompress
{
public:
CPredictorDecompress3950toCurrent(int nCompressionLevel, int nVersion);
virtual ~CPredictorDecompress3950toCurrent();
int DecompressValue(int nA, int nB = 0);
int Flush();
protected:
// adaption
int m_aryMA[M_COUNT];
int m_aryMB[M_COUNT];
// buffer pointers
CRollBufferFast<int, WINDOW_BLOCKS, 8> m_rbPredictionA;
CRollBufferFast<int, WINDOW_BLOCKS, 8> m_rbPredictionB;
CRollBufferFast<int, WINDOW_BLOCKS, 8> m_rbAdaptA;
CRollBufferFast<int, WINDOW_BLOCKS, 8> m_rbAdaptB;
CScaledFirstOrderFilter<31, 5> m_Stage1FilterA;
CScaledFirstOrderFilter<31, 5> m_Stage1FilterB;
// other
int m_nCurrentIndex;
int m_nLastValueA;
int m_nVersion;
CNNFilter * m_pNNFilter;
CNNFilter * m_pNNFilter1;
CNNFilter * m_pNNFilter2;
};
#endif // #ifndef APE_NEWPREDICTOR_H