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- /*
- ZynAddSubFX - a software synthesizer
-
- Reverb.h - Reverberation effect
- Copyright (C) 2002-2004 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
-
-