EQ.h

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/*
  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 "Effect.h"

class EQ:public Effect
{
    public:
        EQ(bool insertion_, float *efxoutl_, float *efxoutr_, unsigned int srate, int bufsize);
        ~EQ();
        void out(const Stereo<float *> &smp);
        void setpreset(unsigned char npreset);
        void changepar(int npar, unsigned char value);
        unsigned char getpar(int npar) const;
        void cleanup(void);
        float getfreqresponse(float freq);
 
    private:
        //Parameters
        unsigned char Pvolume;
 
        void setvolume(unsigned char _Pvolume);
 
        struct {
            //parameters
            unsigned char Ptype, Pfreq, Pgain, Pq, Pstages;
            //internal values
            class AnalogFilter * l, *r;
        } filter[MAX_EQ_BANDS];
};
 
#endif