////////////////////////////////////////////////////////////////////////
// This file is part of the SndObj library
//
// 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.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA 
//
// Copyright (c)Victor Lazzarini, 1997-2004
// See License.txt for a disclaimer of all warranties
// and licensing information

//////////////////////////////////////////////////////
// PVS.h: Phase Vocoder Synthesis Class
//
//        Victor Lazzarini, 2003
//
/////////////////////////////////////////////////////////

#ifndef _PVS_H
#define _PVS_H

#include "IFFT.h"

class PVS : public IFFT {
	
 protected:
	
  int m_rotcount; // rotation counter
  float m_factor;  // conversion factor
  float* m_phases;  // old phases
	
 private:
  void inline pvsynthesis(float* signal); 
  bool m_first;
	
 public:
		
  PVS();
  PVS(Table* window, SndObj* input, int fftsize=DEF_FFTSIZE,
      int hopsize=DEF_VECSIZE, float sr=DEF_SR);
  ~PVS();
	
	
  int Set(char* mess, float value);
  void SetFFTSize(int fftsize);
  void SetHopSize(int hopsize);
	
  short DoProcess();
	
	
};




#endif