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/*
ZynAddSubFX - a software synthesizer
Reverb.h - Reverberation 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) 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 REVERB_H
#define REVERB_H
#include "../globals.h"
#include "../DSP/AnalogFilter.h"
#include "Effect.h"
#define REV_COMBS 8
#define REV_APS 4
class Reverb:public Effect {
public:
Reverb(int insertion,REALTYPE *efxoutl_,REALTYPE *efxoutr_);
~Reverb();
void out(REALTYPE *smps_l,REALTYPE *smps_r);
void cleanup();
void setpreset(unsigned char npreset);
void changepar(int npar,unsigned char value);
unsigned char getpar(int npar);
private:
//Parametrii
//Amount of the reverb,
unsigned char Pvolume;
//LefT/Right Panning
unsigned char Ppan;
//duration of reverb
unsigned char Ptime;
//Initial delay
unsigned char Pidelay;
//Initial delay feedback
unsigned char Pidelayfb;
//delay between ER/Reverbs
unsigned char Prdelay;
//EarlyReflections/Reverb Balance
unsigned char Perbalance;
//HighPassFilter
unsigned char Plpf;
//LowPassFilter
unsigned char Phpf;
//Low/HighFrequency Damping
unsigned char Plohidamp;// 0..63 lpf,64=off,65..127=hpf(TODO)
//Reverb type
unsigned char Ptype;
//Room Size
unsigned char Proomsize;
//parameter control
void setvolume(unsigned char Pvolume);
void setpan(unsigned char Ppan);
void settime(unsigned char Ptime);
void setlohidamp(unsigned char Plohidamp);
void setidelay(unsigned char Pidelay);
void setidelayfb(unsigned char Pidelayfb);
void sethpf(unsigned char Phpf);
void setlpf(unsigned char Plpf);
void settype(unsigned char Ptype);
void setroomsize(unsigned char Proomsize);
REALTYPE pan,erbalance;
//Parametrii 2
int lohidamptype;//0=disable,1=highdamp(lowpass),2=lowdamp(highpass)
int idelaylen,rdelaylen;
int idelayk;
REALTYPE lohifb,idelayfb,roomsize,rs;//rs is used to "normalise" the volume according to the roomsize
int comblen[REV_COMBS*2];
int aplen[REV_APS*2];
//Valorile interne
REALTYPE *comb[REV_COMBS*2];
int combk[REV_COMBS*2];
REALTYPE combfb[REV_COMBS*2];//feedback-ul fiecarui filtru "comb"
REALTYPE lpcomb[REV_COMBS*2];//pentru Filtrul LowPass
REALTYPE *ap[REV_APS*2];
int apk[REV_APS*2];
REALTYPE *idelay;
AnalogFilter *lpf,*hpf;//filters
REALTYPE *inputbuf;
void processmono(int ch,REALTYPE *output);
};
#endif
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