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authorRobert Jonsson <spamatica@gmail.com>2011-03-07 19:01:11 +0000
committerRobert Jonsson <spamatica@gmail.com>2011-03-07 19:01:11 +0000
commite40fc849149dd97c248866a4a1d026dda5e57b62 (patch)
treeb12b358f3b3a0608001d30403358f8443118ec5f /muse_qt4_evolution/synti/zynaddsubfx/Effects/Echo.C
parent1bd4f2e8d9745cabb667b043171cad22c8577768 (diff)
clean3
Diffstat (limited to 'muse_qt4_evolution/synti/zynaddsubfx/Effects/Echo.C')
-rw-r--r--muse_qt4_evolution/synti/zynaddsubfx/Effects/Echo.C240
1 files changed, 0 insertions, 240 deletions
diff --git a/muse_qt4_evolution/synti/zynaddsubfx/Effects/Echo.C b/muse_qt4_evolution/synti/zynaddsubfx/Effects/Echo.C
deleted file mode 100644
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--- a/muse_qt4_evolution/synti/zynaddsubfx/Effects/Echo.C
+++ /dev/null
@@ -1,240 +0,0 @@
-/*
- ZynAddSubFX - a software synthesizer
-
- Echo.C - Echo 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
-
-*/
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <math.h>
-#include "Echo.h"
-
-Echo::Echo(int insertion_,REALTYPE *efxoutl_,REALTYPE *efxoutr_){
- efxoutl=efxoutl_;
- efxoutr=efxoutr_;
- filterpars=NULL;
-
- insertion=insertion_;
- //default values
- Ppreset=0;
- Pvolume=50;
- Ppanning=64;
- Pdelay=60;
- Plrdelay=100;
- Plrcross=100;
- Pfb=40;
- Phidamp=60;
-
- ldelay=NULL;
- rdelay=NULL;
- lrdelay=0;
-
- setpreset(Ppreset);
- cleanup();
-};
-
-Echo::~Echo(){
- delete[] ldelay;
- delete[] rdelay;
-};
-
-/*
- * Cleanup the effect
- */
-void Echo::cleanup(){
- int i;
- for (i=0;i<dl;i++) ldelay[i]=0.0;
- for (i=0;i<dr;i++) rdelay[i]=0.0;
- oldl=0.0;
- oldr=0.0;
-};
-
-
-/*
- * Initialize the delays
- */
-void Echo::initdelays(){
- kl=0;kr=0;
- dl=delay-lrdelay;if (dl<1) dl=1;
- dr=delay+lrdelay;if (dr<1) dr=1;
-
- if (ldelay!=NULL) delete [] ldelay;
- if (rdelay!=NULL) delete [] rdelay;
- ldelay=new REALTYPE[dl];
- rdelay=new REALTYPE[dr];
-
- cleanup();
-};
-
-/*
- * Effect output
- */
-void Echo::out(REALTYPE *smpsl,REALTYPE *smpsr){
- int i;
- REALTYPE l,r,ldl,rdl;
-
- for (i=0;i<SOUND_BUFFER_SIZE;i++){
- ldl=ldelay[kl];
- rdl=rdelay[kr];
- l=ldl*(1.0-lrcross)+rdl*lrcross;
- r=rdl*(1.0-lrcross)+ldl*lrcross;
- ldl=l;rdl=r;
-
- efxoutl[i]=ldl*2.0;
- efxoutr[i]=rdl*2.0;
- ldl=smpsl[i]*panning-ldl*fb;
- rdl=smpsr[i]*(1.0-panning)-rdl*fb;
-
- //LowPass Filter
- ldelay[kl]=ldl=ldl*hidamp+oldl*(1.0-hidamp);
- rdelay[kr]=rdl=rdl*hidamp+oldr*(1.0-hidamp);
- oldl=ldl;
- oldr=rdl;
-
- if (++kl>=dl) kl=0;
- if (++kr>=dr) kr=0;
- };
-
-};
-
-
-/*
- * Parameter control
- */
-void Echo::setvolume(unsigned char Pvolume){
- this->Pvolume=Pvolume;
-
- if (insertion==0) {
- outvolume=pow(0.01,(1.0-Pvolume/127.0))*4.0;
- volume=1.0;
- } else {
- volume=outvolume=Pvolume/127.0;
- };
- if (Pvolume==0) cleanup();
-
-};
-
-void Echo::setpanning(unsigned char Ppanning){
- this->Ppanning=Ppanning;
- panning=(Ppanning+0.5)/127.0;
-};
-
-void Echo::setdelay(unsigned char Pdelay){
- this->Pdelay=Pdelay;
- delay=1+(int)(Pdelay/127.0*SAMPLE_RATE*1.5);//0 .. 1.5 sec
- initdelays();
-};
-
-void Echo::setlrdelay(unsigned char Plrdelay){
- REALTYPE tmp;
- this->Plrdelay=Plrdelay;
- tmp=(pow(2,fabs(Plrdelay-64.0)/64.0*9)-1.0)/1000.0*SAMPLE_RATE;
- if (Plrdelay<64.0) tmp=-tmp;
- lrdelay=(int) tmp;
- initdelays();
-};
-
-void Echo::setlrcross(unsigned char Plrcross){
- this->Plrcross=Plrcross;
- lrcross=Plrcross/127.0*1.0;
-};
-
-void Echo::setfb(unsigned char Pfb){
- this->Pfb=Pfb;
- fb=Pfb/128.0;
-};
-
-void Echo::sethidamp(unsigned char Phidamp){
- this->Phidamp=Phidamp;
- hidamp=1.0-Phidamp/127.0;
-};
-
-void Echo::setpreset(unsigned char npreset){
- const int PRESET_SIZE=7;
- const int NUM_PRESETS=9;
- unsigned char presets[NUM_PRESETS][PRESET_SIZE]={
- //Echo 1
- {67,64,35,64,30,59,0},
- //Echo 2
- {67,64,21,64,30,59,0},
- //Echo 3
- {67,75,60,64,30,59,10},
- //Simple Echo
- {67,60,44,64,30,0,0},
- //Canyon
- {67,60,102,50,30,82,48},
- //Panning Echo 1
- {67,64,44,17,0,82,24},
- //Panning Echo 2
- {81,60,46,118,100,68,18},
- //Panning Echo 3
- {81,60,26,100,127,67,36},
- //Feedback Echo
- {62,64,28,64,100,90,55}};
-
-
- if (npreset>=NUM_PRESETS) npreset=NUM_PRESETS-1;
- for (int n=0;n<PRESET_SIZE;n++) changepar(n,presets[npreset][n]);
- if (insertion!=0) changepar(0,presets[npreset][0]/2);//lower the volume if this is insertion effect
- Ppreset=npreset;
-};
-
-
-void Echo::changepar(int npar,unsigned char value){
- switch (npar){
- case 0: setvolume(value);
- break;
- case 1: setpanning(value);
- break;
- case 2: setdelay(value);
- break;
- case 3: setlrdelay(value);
- break;
- case 4: setlrcross(value);
- break;
- case 5: setfb(value);
- break;
- case 6: sethidamp(value);
- break;
- };
-};
-
-unsigned char Echo::getpar(int npar){
- switch (npar){
- case 0: return(Pvolume);
- break;
- case 1: return(Ppanning);
- break;
- case 2: return(Pdelay);
- break;
- case 3: return(Plrdelay);
- break;
- case 4: return(Plrcross);
- break;
- case 5: return(Pfb);
- break;
- case 6: return(Phidamp);
- break;
- };
- return(0);//in case of bogus parameter number
-};
-
-
-
-