50 lines
1.4 KiB
C
50 lines
1.4 KiB
C
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//==========================================================================
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//
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// tsm.h --
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//
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// Class definition for the time-scale modification algorithm
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//
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//==========================================================================
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#ifndef _TSM_H_
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#define _TSM_H_
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#include <windows.h>
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#include <mmreg.h>
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class CTsm
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{
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public:
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CTsm (double timeScale, int iSampFreq = 8000, int* piFrameLen = 0, int* piFrameShift = 0);
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~CTsm();
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int SetScaleFactor (double timeScale);
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int SetSamplingFrequency (int iSampFreq);
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double GetScaleFactor () { return m_dScale; }
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int FirstFrame (double* pdBuffer);
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int AddFrame (double* pdBuffer, int* piLag, int* piNumSamp);
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int LastFrame (double* pdBuffer, int iBufLen, int* piLag, int* piNumSamp);
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int GetFrameLen() { return m_iFrameLen; }
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int GetFrameShift() { return m_iFrameShift; }
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int AdjustTimeScale(const void* pvInSamples, const int iNumInSamples,
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void** ppvOutSamples, int* piNumOutSamples, WAVEFORMATEX* pFormat);
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private:
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int Crosscor (double* pdFirst, double* pdSecond, int iNumXCor, int iNumPts);
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int m_iWinLen;
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int m_iShiftAna;
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int m_iShiftSyn;
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int m_iShiftMax;
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int m_iFrameLen;
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int m_iFrameShift;
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int m_iNumPts;
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int m_iLag;
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double m_dScale;
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double* m_pfOldTail;
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};
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#endif
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