/*
  ZynAddSubFX - a software synthesizer
 
  EQ.h - EQ Effect
  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 or later) 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 EQ_H
#define EQ_H

#include "../globals.h"
#include "../DSP/AnalogFilter.h"
#include "Effect.h"

/**EQ Effect*/
class EQ:public Effect{
    public:
	EQ(const int &insertion_,REALTYPE *efxoutl_,REALTYPE *efxoutr_);
	~EQ();
	void out(REALTYPE *smpsl,REALTYPE *smpr);
	void setpreset(unsigned char npreset);
	void changepar(const int &npar,const unsigned char &value);
	unsigned char getpar(const int &npar)const;
	void cleanup();
	REALTYPE getfreqresponse(REALTYPE freq);
    private:
	//Parameters
	unsigned char Pvolume;/**<Volume*/
	
	void setvolume(const unsigned char &Pvolume);
	
	struct {
	    //parameters
	    unsigned char Ptype,Pfreq,Pgain,Pq,Pstages;
	    //internal values
	    AnalogFilter *l,*r;
	}filter[MAX_EQ_BANDS];
		
};


#endif


