/**********************************************************************

  Audacity: A Digital Audio Editor

  SoundTouchEffect.h

  Dominic Mazzoni, Vaughan Johnson

  This abstract class contains all of the common code for an
  effect that uses SoundTouch to do its processing (ChangeTempo
  and ChangePitch).

**********************************************************************/

#if USE_SOUNDTOUCH

#ifndef __AUDACITY_EFFECT_SOUNDTOUCH__
#define __AUDACITY_EFFECT_SOUNDTOUCH__

#include "Effect.h"

// Soundtouch defines these as well, so get rid of them before including 
#undef PACKAGE_NAME
#undef PACKAGE_STRING
#undef PACKAGE_TARNAME
#undef PACKAGE_VERSION
#undef PACKAGE_BUGREPORT
#include "SoundTouch.h"

using namespace soundtouch;


class WaveTrack;

class EffectSoundTouch:public Effect {

 public:
   virtual bool Process();

 protected:
   SoundTouch *mSoundTouch;

 private:
   bool ProcessOne(WaveTrack * t,
                   longSampleCount start, longSampleCount end);
   bool ProcessStereo(WaveTrack* leftTrack, WaveTrack* rightTrack, 
                        longSampleCount start, longSampleCount end);
   bool ProcessStereoResults(const unsigned int outputCount, 
                              WaveTrack* outputLeftTrack, 
                              WaveTrack* outputRightTrack);

   int    mCurTrackNum;
   double mCurT0;
   double mCurT1;

	double m_maxNewLength;
};

#endif

#endif

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// version control system. Please do not modify past this point.
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// Local Variables:
// c-basic-offset: 3
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