/* -*- c-basic-offset: 4 indent-tabs-mode: nil -*-  vi:set ts=8 sts=4 sw=4: */

/*
    Rubber Band
    An audio time-stretching and pitch-shifting library.
    Copyright 2007-2011 Chris Cannam.
    
    This program is free software; you can redistribute it and/or
    modify it under the terms of the GNU General Public License as
    published by the Free Software Foundation; either version 2 of the
    License, or (at your option) any later version.  See the file
    COPYING included with this distribution for more information.
*/

#ifndef _SPECTRALDIFFERENCE_AUDIO_CURVE_H_
#define _SPECTRALDIFFERENCE_AUDIO_CURVE_H_

#include "AudioCurveCalculator.h"
#include "Window.h"

namespace RubberBand
{

class SpectralDifferenceAudioCurve : public AudioCurveCalculator
{
public:
    SpectralDifferenceAudioCurve(Parameters parameters);

    virtual ~SpectralDifferenceAudioCurve();

    virtual void setFftSize(int newSize);

    virtual float processFloat(const float *R__ mag, int increment);
    virtual double processDouble(const double *R__ mag, int increment);
    virtual void reset();
    virtual const char *getUnit() const { return "V"; }

protected:
    double *R__ m_mag;
    double *R__ m_tmpbuf;
};

}

#endif