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DynamicFilter.h

/*
  ZynAddSubFX - a software synthesizer
 
  DynamicFilter.h - "WahWah" effect and others
  Copyright (C) 2002-2005 Nasca Octavian Paul
  Author: Nasca Octavian Paul

  Modified for rakarrack by Josep Andreu

  This program is free software; you can redistribute it and/or modify
  it under the terms of version 2 of the GNU General Public License 
  as published by the Free Software Foundation.

  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 (version 2) for more details.

  You should have received a copy of the GNU General Public License (version 2)
  along with this program; if not, write to the Free Software Foundation,
  Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA

*/

#ifndef DYNAMICFILTER_H
#define DYNAMICFILTER_H
#include "global.h"
#include "EffectLFO.h"

#include "Filter.h"

class DynamicFilter
{
public:
  DynamicFilter (REALTYPE * efxoutl_, REALTYPE * efxoutr_);
  ~DynamicFilter ();
  void out (REALTYPE * smpsl, REALTYPE * smpsr);

  void setpreset (unsigned char npreset);
  void changepar (int npar, unsigned char value);
  unsigned char getpar (int npar);
  void cleanup ();

//      void setdryonly();


  unsigned char Ppreset;
  REALTYPE *efxoutl;
  REALTYPE *efxoutr;
  REALTYPE outvolume;
  REALTYPE volume;




private:
  //Parametrii DynamicFilter
    EffectLFO lfo;            //lfo-ul DynamicFilter
  unsigned char Pvolume;
  unsigned char Ppanning;
  unsigned char Pdepth;       //the depth of the lfo of the DynamicFilter
  unsigned char Pampsns;      //how the filter varies according to the input amplitude
  unsigned char Pampsnsinv;   //if the filter freq is lowered if the input amplitude rises
  unsigned char Pampsmooth;   //how smooth the input amplitude changes the filter

  //Control Parametrii
  void setvolume (unsigned char Pvolume);
  void setpanning (unsigned char Ppanning);
  void setdepth (unsigned char Pdepth);
  void setampsns (unsigned char Pampsns);

  void reinitfilter ();

  //Valorile interne

  REALTYPE panning, depth, ampsns, ampsmooth;

  class Filter *filterl, *filterr;

  REALTYPE ms1, ms2, ms3, ms4;      //mean squares

  class FilterParams *filterpars;

};

#endif

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