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

  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 "../globals.h"
#include "Effect.h"
#include "EffectLFO.h"

#include "../DSP/Filter.h"

class DynamicFilter:public Effect {
    public:
	DynamicFilter(int insetion_,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();
    
    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
	int insertion;
	REALTYPE panning,depth,ampsns,ampsmooth;
	
	Filter *filterl,*filterr;
	
	REALTYPE ms1,ms2,ms3,ms4;//mean squares
};

#endif