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-rw-r--r--muse/synti/zynaddsubfx/Synth/OscilGen.C1182
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diff --git a/muse/synti/zynaddsubfx/Synth/OscilGen.C b/muse/synti/zynaddsubfx/Synth/OscilGen.C
new file mode 100644
index 00000000..4e6a4dd3
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+++ b/muse/synti/zynaddsubfx/Synth/OscilGen.C
@@ -0,0 +1,1182 @@
+/*
+ ZynAddSubFX - a software synthesizer
+
+ OscilGen.C - Waveform generator for ADnote
+ 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 <stdlib.h>
+#include <math.h>
+#include <stdio.h>
+
+#include "OscilGen.h"
+#include "../Effects/Distorsion.h"
+
+REALTYPE *OscilGen::tmpsmps;//this array stores some termporary data and it has SOUND_BUFFER_SIZE elements
+FFTFREQS OscilGen::outoscilFFTfreqs;
+
+
+OscilGen::OscilGen(FFTwrapper *fft_,Resonance *res_):Presets(){
+ setpresettype("Poscilgen");
+ fft=fft_;
+ res=res_;
+ newFFTFREQS(&oscilFFTfreqs,OSCIL_SIZE/2);
+ newFFTFREQS(&basefuncFFTfreqs,OSCIL_SIZE/2);
+
+ randseed=1;
+ ADvsPAD=false;
+
+ defaults();
+};
+
+OscilGen::~OscilGen(){
+ deleteFFTFREQS(&basefuncFFTfreqs);
+ deleteFFTFREQS(&oscilFFTfreqs);
+};
+
+
+void OscilGen::defaults(){
+
+ oldbasefunc=0;oldbasepar=64;oldhmagtype=0;oldwaveshapingfunction=0;oldwaveshaping=64;
+ oldbasefuncmodulation=0;oldharmonicshift=0;oldbasefuncmodulationpar1=0;oldbasefuncmodulationpar2=0;oldbasefuncmodulationpar3=0;
+ oldmodulation=0;oldmodulationpar1=0;oldmodulationpar2=0;oldmodulationpar3=0;
+
+ for (int i=0;i<MAX_AD_HARMONICS;i++){
+ hmag[i]=0.0;
+ hphase[i]=0.0;
+ Phmag[i]=64;
+ Phphase[i]=64;
+ };
+ Phmag[0]=127;
+ Phmagtype=0;
+ if (ADvsPAD) Prand=127;//max phase randomness (usefull if the oscil will be imported to a ADsynth from a PADsynth
+ else Prand=64;//no randomness
+
+ Pcurrentbasefunc=0;
+ Pbasefuncpar=64;
+
+ Pbasefuncmodulation=0;
+ Pbasefuncmodulationpar1=64;
+ Pbasefuncmodulationpar2=64;
+ Pbasefuncmodulationpar3=32;
+
+ Pmodulation=0;
+ Pmodulationpar1=64;
+ Pmodulationpar2=64;
+ Pmodulationpar3=32;
+
+ Pwaveshapingfunction=0;
+ Pwaveshaping=64;
+ Pfiltertype=0;
+ Pfilterpar1=64;
+ Pfilterpar2=64;
+ Pfilterbeforews=0;
+ Psatype=0;
+ Psapar=64;
+
+ Pamprandpower=64;
+ Pamprandtype=0;
+
+ Pharmonicshift=0;
+ Pharmonicshiftfirst=0;
+
+ Padaptiveharmonics=0;
+ Padaptiveharmonicspower=100;
+ Padaptiveharmonicsbasefreq=128;
+ Padaptiveharmonicspar=50;
+
+ for (int i=0;i<OSCIL_SIZE/2;i++) {
+ oscilFFTfreqs.s[i]=0.0;
+ oscilFFTfreqs.c[i]=0.0;
+ basefuncFFTfreqs.s[i]=0.0;
+ basefuncFFTfreqs.c[i]=0.0;
+ };
+ oscilprepared=0;
+ oldfilterpars=0;oldsapars=0;
+ prepare();
+};
+
+void OscilGen::convert2sine(int magtype){
+ REALTYPE mag[MAX_AD_HARMONICS],phase[MAX_AD_HARMONICS];
+ REALTYPE oscil[OSCIL_SIZE];
+ FFTFREQS freqs;
+ newFFTFREQS(&freqs,OSCIL_SIZE/2);
+
+ get(oscil,-1.0);
+ FFTwrapper *fft=new FFTwrapper(OSCIL_SIZE);
+ fft->smps2freqs(oscil,freqs);
+ delete(fft);
+
+ REALTYPE max=0.0;
+
+ mag[0]=0;
+ phase[0]=0;
+ for (int i=0;i<MAX_AD_HARMONICS;i++){
+ mag[i]=sqrt(pow(freqs.s[i+1],2)+pow(freqs.c[i+1],2.0));
+ phase[i]=atan2(freqs.c[i+1],freqs.s[i+1]);
+ if (max<mag[i]) max=mag[i];
+ };
+ if (max<0.00001) max=1.0;
+
+ defaults();
+
+ for (int i=0;i<MAX_AD_HARMONICS-1;i++){
+ REALTYPE newmag=mag[i]/max;
+ REALTYPE newphase=phase[i];
+
+ Phmag[i]=(int) ((newmag)*64.0)+64;
+
+ Phphase[i]=64-(int) (64.0*newphase/PI);
+ if (Phphase[i]>127) Phphase[i]=127;
+
+ if (Phmag[i]==64) Phphase[i]=64;
+ };
+ deleteFFTFREQS(&freqs);
+ prepare();
+};
+
+/*
+ * Base Functions - START
+ */
+REALTYPE OscilGen::basefunc_pulse(REALTYPE x,REALTYPE a){
+ return((fmod(x,1.0)<a)?-1.0:1.0);
+};
+
+REALTYPE OscilGen::basefunc_saw(REALTYPE x,REALTYPE a){
+ if (a<0.00001) a=0.00001;
+ else if (a>0.99999) a=0.99999;
+ x=fmod(x,1);
+ if (x<a) return(x/a*2.0-1.0);
+ else return((1.0-x)/(1.0-a)*2.0-1.0);
+};
+
+REALTYPE OscilGen::basefunc_triangle(REALTYPE x,REALTYPE a){
+ x=fmod(x+0.25,1);
+ a=1-a;
+ if (a<0.00001) a=0.00001;
+ if (x<0.5) x=x*4-1.0;
+ else x=(1.0-x)*4-1.0;
+ x/=-a;
+ if (x<-1.0) x=-1.0;
+ if (x>1.0) x=1.0;
+ return(x);
+};
+
+REALTYPE OscilGen::basefunc_power(REALTYPE x,REALTYPE a){
+ x=fmod(x,1);
+ if (a<0.00001) a=0.00001;
+ else if (a>0.99999) a=0.99999;
+ return(pow(x,exp((a-0.5)*10.0))*2.0-1.0);
+};
+
+REALTYPE OscilGen::basefunc_gauss(REALTYPE x,REALTYPE a){
+ x=fmod(x,1)*2.0-1.0;
+ if (a<0.00001) a=0.00001;
+ return(exp(-x*x*(exp(a*8)+5.0))*2.0-1.0);
+};
+
+REALTYPE OscilGen::basefunc_diode(REALTYPE x,REALTYPE a){
+ if (a<0.00001) a=0.00001;
+ else if (a>0.99999) a=0.99999;
+ a=a*2.0-1.0;
+ x=cos((x+0.5)*2.0*PI)-a;
+ if (x<0.0) x=0.0;
+ return(x/(1.0-a)*2-1.0);
+};
+
+REALTYPE OscilGen::basefunc_abssine(REALTYPE x,REALTYPE a){
+ x=fmod(x,1);
+ if (a<0.00001) a=0.00001;
+ else if (a>0.99999) a=0.99999;
+ return(sin(pow(x,exp((a-0.5)*5.0))*PI)*2.0-1.0);
+};
+
+REALTYPE OscilGen::basefunc_pulsesine(REALTYPE x,REALTYPE a){
+ if (a<0.00001) a=0.00001;
+ x=(fmod(x,1)-0.5)*exp((a-0.5)*log(128));
+ if (x<-0.5) x=-0.5;
+ else if (x>0.5) x=0.5;
+ x=sin(x*PI*2.0);
+ return(x);
+};
+
+REALTYPE OscilGen::basefunc_stretchsine(REALTYPE x,REALTYPE a){
+ x=fmod(x+0.5,1)*2.0-1.0;
+ a=(a-0.5)*4;if (a>0.0) a*=2;
+ a=pow(3.0,a);
+ REALTYPE b=pow(fabs(x),a);
+ if (x<0) b=-b;
+ return(-sin(b*PI));
+};
+
+REALTYPE OscilGen::basefunc_chirp(REALTYPE x,REALTYPE a){
+ x=fmod(x,1.0)*2.0*PI;
+ a=(a-0.5)*4;if (a<0.0) a*=2.0;
+ a=pow(3.0,a);
+ return(sin(x/2.0)*sin(a*x*x));
+};
+
+REALTYPE OscilGen::basefunc_absstretchsine(REALTYPE x,REALTYPE a){
+ x=fmod(x+0.5,1)*2.0-1.0;
+ a=(a-0.5)*9;
+ a=pow(3.0,a);
+ REALTYPE b=pow(fabs(x),a);
+ if (x<0) b=-b;
+ return(-pow(sin(b*PI),2));
+};
+
+REALTYPE OscilGen::basefunc_chebyshev(REALTYPE x,REALTYPE a){
+ a=a*a*a*30.0+1.0;
+ return(cos(acos(x*2.0-1.0)*a));
+};
+
+REALTYPE OscilGen::basefunc_sqr(REALTYPE x,REALTYPE a){
+ a=a*a*a*a*160.0+0.001;
+ return(-atan(sin(x*2.0*PI)*a));
+};
+/*
+ * Base Functions - END
+ */
+
+
+/*
+ * Get the base function
+ */
+void OscilGen::getbasefunction(REALTYPE *smps){
+ int i;
+ REALTYPE par=(Pbasefuncpar+0.5)/128.0;
+ if (Pbasefuncpar==64) par=0.5;
+
+ REALTYPE basefuncmodulationpar1=Pbasefuncmodulationpar1/127.0,
+ basefuncmodulationpar2=Pbasefuncmodulationpar2/127.0,
+ basefuncmodulationpar3=Pbasefuncmodulationpar3/127.0;
+
+ switch(Pbasefuncmodulation){
+ case 1:basefuncmodulationpar1=(pow(2,basefuncmodulationpar1*5.0)-1.0)/10.0;
+ basefuncmodulationpar3=floor((pow(2,basefuncmodulationpar3*5.0)-1.0));
+ if (basefuncmodulationpar3<0.9999) basefuncmodulationpar3=-1.0;
+ break;
+ case 2:basefuncmodulationpar1=(pow(2,basefuncmodulationpar1*5.0)-1.0)/10.0;
+ basefuncmodulationpar3=1.0+floor((pow(2,basefuncmodulationpar3*5.0)-1.0));
+ break;
+ case 3:basefuncmodulationpar1=(pow(2,basefuncmodulationpar1*7.0)-1.0)/10.0;
+ basefuncmodulationpar3=0.01+(pow(2,basefuncmodulationpar3*16.0)-1.0)/10.0;
+ break;
+ };
+
+// printf("%.5f %.5f\n",basefuncmodulationpar1,basefuncmodulationpar3);
+
+ for (i=0;i<OSCIL_SIZE;i++) {
+ REALTYPE t=i*1.0/OSCIL_SIZE;
+
+ switch(Pbasefuncmodulation){
+ case 1:t=t*basefuncmodulationpar3+sin((t+basefuncmodulationpar2)*2.0*PI)*basefuncmodulationpar1;//rev
+ break;
+ case 2:t=t+sin((t*basefuncmodulationpar3+basefuncmodulationpar2)*2.0*PI)*basefuncmodulationpar1;//sine
+ break;
+ case 3:t=t+pow((1.0-cos((t+basefuncmodulationpar2)*2.0*PI))*0.5,basefuncmodulationpar3)*basefuncmodulationpar1;//power
+ break;
+ };
+
+ t=t-floor(t);
+
+ switch (Pcurrentbasefunc){
+ case 1:smps[i]=basefunc_triangle(t,par);
+ break;
+ case 2:smps[i]=basefunc_pulse(t,par);
+ break;
+ case 3:smps[i]=basefunc_saw(t,par);
+ break;
+ case 4:smps[i]=basefunc_power(t,par);
+ break;
+ case 5:smps[i]=basefunc_gauss(t,par);
+ break;
+ case 6:smps[i]=basefunc_diode(t,par);
+ break;
+ case 7:smps[i]=basefunc_abssine(t,par);
+ break;
+ case 8:smps[i]=basefunc_pulsesine(t,par);
+ break;
+ case 9:smps[i]=basefunc_stretchsine(t,par);
+ break;
+ case 10:smps[i]=basefunc_chirp(t,par);
+ break;
+ case 11:smps[i]=basefunc_absstretchsine(t,par);
+ break;
+ case 12:smps[i]=basefunc_chebyshev(t,par);
+ break;
+ case 13:smps[i]=basefunc_sqr(t,par);
+ break;
+ default:smps[i]=-sin(2.0*PI*i/OSCIL_SIZE);
+ };
+ };
+};
+
+/*
+ * Filter the oscillator
+ */
+void OscilGen::oscilfilter(){
+ if (Pfiltertype==0) return;
+ REALTYPE par=1.0-Pfilterpar1/128.0;
+ REALTYPE par2=Pfilterpar2/127.0;
+ REALTYPE max=0.0,tmp=0.0,p2,x;
+ for (int i=1;i<OSCIL_SIZE/2;i++){
+ REALTYPE gain=1.0;
+ switch(Pfiltertype){
+ case 1: gain=pow(1.0-par*par*par*0.99,i);//lp
+ tmp=par2*par2*par2*par2*0.5+0.0001;
+ if (gain<tmp) gain=pow(gain,10.0)/pow(tmp,9.0);
+ break;
+ case 2: gain=1.0-pow(1.0-par*par,i+1);//hp1
+ gain=pow(gain,par2*2.0+0.1);
+ break;
+ case 3: if (par<0.2) par=par*0.25+0.15;
+ gain=1.0-pow(1.0-par*par*0.999+0.001,i*0.05*i+1.0);//hp1b
+ tmp=pow(5.0,par2*2.0);
+ gain=pow(gain,tmp);
+ break;
+ case 4: gain=i+1-pow(2,(1.0-par)*7.5);//bp1
+ gain=1.0/(1.0+gain*gain/(i+1.0));
+ tmp=pow(5.0,par2*2.0);
+ gain=pow(gain,tmp);
+ if (gain<1e-5) gain=1e-5;
+ break;
+ case 5: gain=i+1-pow(2,(1.0-par)*7.5);//bs1
+ gain=pow(atan(gain/(i/10.0+1))/1.57,6);
+ gain=pow(gain,par2*par2*3.9+0.1);
+ break;
+ case 6: tmp=pow(par2,0.33);
+ gain=(i+1>pow(2,(1.0-par)*10)?0.0:1.0)*par2+(1.0-par2);//lp2
+ break;
+ case 7: tmp=pow(par2,0.33);
+ //tmp=1.0-(1.0-par2)*(1.0-par2);
+ gain=(i+1>pow(2,(1.0-par)*7)?1.0:0.0)*par2+(1.0-par2);//hp2
+ if (Pfilterpar1==0) gain=1.0;
+ break;
+ case 8: tmp=pow(par2,0.33);
+ //tmp=1.0-(1.0-par2)*(1.0-par2);
+ gain=(fabs(pow(2,(1.0-par)*7)-i)>i/2+1?0.0:1.0)*par2+(1.0-par2);//bp2
+ break;
+ case 9: tmp=pow(par2,0.33);
+ gain=(fabs(pow(2,(1.0-par)*7)-i)<i/2+1?0.0:1.0)*par2+(1.0-par2);//bs2
+ break;
+ case 10:tmp=pow(5.0,par2*2.0-1.0);
+ tmp=pow(i/32.0,tmp)*32.0;
+ if (Pfilterpar2==64) tmp=i;
+ gain=cos(par*par*PI/2.0*tmp);//cos
+ gain*=gain;
+ break;
+ case 11:tmp=pow(5.0,par2*2.0-1.0);
+ tmp=pow(i/32.0,tmp)*32.0;
+ if (Pfilterpar2==64) tmp=i;
+ gain=sin(par*par*PI/2.0*tmp);//sin
+ gain*=gain;
+ break;
+ case 12:p2=1.0-par+0.2;
+ x=i/(64.0*p2*p2);
+ if (x<0.0) x=0.0;
+ else if (x>1.0) x=1.0;
+ tmp=pow(1.0-par2,2.0);
+ gain=cos(x*PI)*(1.0-tmp)+1.01+tmp;//low shelf
+ break;
+ case 13:tmp=(int) (pow(2.0,(1.0-par)*7.2));
+ gain=1.0;
+ if (i==(int) (tmp)) gain=pow(2.0,par2*par2*8.0);
+ break;
+ };
+
+
+ oscilFFTfreqs.s[i]*=gain;
+ oscilFFTfreqs.c[i]*=gain;
+ REALTYPE tmp=oscilFFTfreqs.s[i]*oscilFFTfreqs.s[i]+
+ oscilFFTfreqs.c[i]*oscilFFTfreqs.c[i];
+ if (max<tmp) max=tmp;
+ };
+
+ max=sqrt(max);
+ if (max<1e-10) max=1.0;
+ REALTYPE imax=1.0/max;
+ for (int i=1;i<OSCIL_SIZE/2;i++) {
+ oscilFFTfreqs.s[i]*=imax;
+ oscilFFTfreqs.c[i]*=imax;
+ };
+};
+
+/*
+ * Change the base function
+ */
+void OscilGen::changebasefunction(){
+ if (Pcurrentbasefunc!=0) {
+ getbasefunction(tmpsmps);
+ fft->smps2freqs(tmpsmps,basefuncFFTfreqs);
+ basefuncFFTfreqs.c[0]=0.0;
+ } else {
+ for (int i=0;i<OSCIL_SIZE/2;i++){
+ basefuncFFTfreqs.s[i]=0.0;
+ basefuncFFTfreqs.c[i]=0.0;
+ };
+ //in this case basefuncFFTfreqs_ are not used
+ }
+ oscilprepared=0;
+ oldbasefunc=Pcurrentbasefunc;
+ oldbasepar=Pbasefuncpar;
+ oldbasefuncmodulation=Pbasefuncmodulation;
+ oldbasefuncmodulationpar1=Pbasefuncmodulationpar1;
+ oldbasefuncmodulationpar2=Pbasefuncmodulationpar2;
+ oldbasefuncmodulationpar3=Pbasefuncmodulationpar3;
+};
+
+/*
+ * Waveshape
+ */
+void OscilGen::waveshape(){
+ int i;
+
+ oldwaveshapingfunction=Pwaveshapingfunction;
+ oldwaveshaping=Pwaveshaping;
+ if (Pwaveshapingfunction==0) return;
+
+ oscilFFTfreqs.c[0]=0.0;//remove the DC
+ //reduce the amplitude of the freqs near the nyquist
+ for (i=1;i<OSCIL_SIZE/8;i++) {
+ REALTYPE tmp=i/(OSCIL_SIZE/8.0);
+ oscilFFTfreqs.s[OSCIL_SIZE/2-i]*=tmp;
+ oscilFFTfreqs.c[OSCIL_SIZE/2-i]*=tmp;
+ };
+ fft->freqs2smps(oscilFFTfreqs,tmpsmps);
+
+ //Normalize
+ REALTYPE max=0.0;
+ for (i=0;i<OSCIL_SIZE;i++)
+ if (max<fabs(tmpsmps[i])) max=fabs(tmpsmps[i]);
+ if (max<0.00001) max=1.0;
+ max=1.0/max;for (i=0;i<OSCIL_SIZE;i++) tmpsmps[i]*=max;
+
+ //Do the waveshaping
+ waveshapesmps(OSCIL_SIZE,tmpsmps,Pwaveshapingfunction,Pwaveshaping);
+
+ fft->smps2freqs(tmpsmps,oscilFFTfreqs);//perform FFT
+};
+
+
+/*
+ * Do the Frequency Modulation of the Oscil
+ */
+void OscilGen::modulation(){
+ int i;
+
+ oldmodulation=Pmodulation;
+ oldmodulationpar1=Pmodulationpar1;
+ oldmodulationpar2=Pmodulationpar2;
+ oldmodulationpar3=Pmodulationpar3;
+ if (Pmodulation==0) return;
+
+
+ REALTYPE modulationpar1=Pmodulationpar1/127.0,
+ modulationpar2=0.5-Pmodulationpar2/127.0,
+ modulationpar3=Pmodulationpar3/127.0;
+
+ switch(Pmodulation){
+ case 1:modulationpar1=(pow(2,modulationpar1*7.0)-1.0)/100.0;
+ modulationpar3=floor((pow(2,modulationpar3*5.0)-1.0));
+ if (modulationpar3<0.9999) modulationpar3=-1.0;
+ break;
+ case 2:modulationpar1=(pow(2,modulationpar1*7.0)-1.0)/100.0;
+ modulationpar3=1.0+floor((pow(2,modulationpar3*5.0)-1.0));
+ break;
+ case 3:modulationpar1=(pow(2,modulationpar1*9.0)-1.0)/100.0;
+ modulationpar3=0.01+(pow(2,modulationpar3*16.0)-1.0)/10.0;
+ break;
+ };
+
+ oscilFFTfreqs.c[0]=0.0;//remove the DC
+ //reduce the amplitude of the freqs near the nyquist
+ for (i=1;i<OSCIL_SIZE/8;i++) {
+ REALTYPE tmp=i/(OSCIL_SIZE/8.0);
+ oscilFFTfreqs.s[OSCIL_SIZE/2-i]*=tmp;
+ oscilFFTfreqs.c[OSCIL_SIZE/2-i]*=tmp;
+ };
+ fft->freqs2smps(oscilFFTfreqs,tmpsmps);
+ int extra_points=2;
+ REALTYPE *in=new REALTYPE[OSCIL_SIZE+extra_points];
+
+ //Normalize
+ REALTYPE max=0.0;
+ for (i=0;i<OSCIL_SIZE;i++) if (max<fabs(tmpsmps[i])) max=fabs(tmpsmps[i]);
+ if (max<0.00001) max=1.0;
+ max=1.0/max;for (i=0;i<OSCIL_SIZE;i++) in[i]=tmpsmps[i]*max;
+ for (i=0;i<extra_points;i++) in[i+OSCIL_SIZE]=tmpsmps[i]*max;
+
+ //Do the modulation
+ for (i=0;i<OSCIL_SIZE;i++) {
+ REALTYPE t=i*1.0/OSCIL_SIZE;
+
+ switch(Pmodulation){
+ case 1:t=t*modulationpar3+sin((t+modulationpar2)*2.0*PI)*modulationpar1;//rev
+ break;
+ case 2:t=t+sin((t*modulationpar3+modulationpar2)*2.0*PI)*modulationpar1;//sine
+ break;
+ case 3:t=t+pow((1.0-cos((t+modulationpar2)*2.0*PI))*0.5,modulationpar3)*modulationpar1;//power
+ break;
+ };
+
+ t=(t-floor(t))*OSCIL_SIZE;
+
+ int poshi=(int) t;
+ REALTYPE poslo=t-floor(t);
+
+ tmpsmps[i]=in[poshi]*(1.0-poslo)+in[poshi+1]*poslo;
+ };
+
+ delete(in);
+ fft->smps2freqs(tmpsmps,oscilFFTfreqs);//perform FFT
+};
+
+
+
+/*
+ * Adjust the spectrum
+ */
+void OscilGen::spectrumadjust(){
+ if (Psatype==0) return;
+ REALTYPE par=Psapar/127.0;
+ switch(Psatype){
+ case 1: par=1.0-par*2.0;
+ if (par>=0.0) par=pow(5.0,par);
+ else par=pow(8.0,par);
+ break;
+ case 2: par=pow(10.0,(1.0-par)*3.0)*0.25;
+ break;
+ case 3: par=pow(10.0,(1.0-par)*3.0)*0.25;
+ break;
+ };
+
+
+ REALTYPE max=0.0;
+ for (int i=0;i<OSCIL_SIZE/2;i++){
+ REALTYPE tmp=pow(oscilFFTfreqs.c[i],2)+pow(oscilFFTfreqs.s[i],2.0);
+ if (max<tmp) max=tmp;
+ };
+ max=sqrt(max)/OSCIL_SIZE*2.0;
+ if (max<1e-8) max=1.0;
+
+
+ for (int i=0;i<OSCIL_SIZE/2;i++){
+ REALTYPE mag=sqrt(pow(oscilFFTfreqs.s[i],2)+pow(oscilFFTfreqs.c[i],2.0))/max;
+ REALTYPE phase=atan2(oscilFFTfreqs.s[i],oscilFFTfreqs.c[i]);
+
+ switch (Psatype){
+ case 1: mag=pow(mag,par);
+ break;
+ case 2: if (mag<par) mag=0.0;
+ break;
+ case 3: mag/=par;
+ if (mag>1.0) mag=1.0;
+ break;
+ };
+ oscilFFTfreqs.c[i]=mag*cos(phase);
+ oscilFFTfreqs.s[i]=mag*sin(phase);
+ };
+
+};
+
+void OscilGen::shiftharmonics(){
+ if (Pharmonicshift==0) return;
+
+ REALTYPE hc,hs;
+ int harmonicshift=-Pharmonicshift;
+
+ if (harmonicshift>0){
+ for (int i=OSCIL_SIZE/2-2;i>=0;i--){
+ int oldh=i-harmonicshift;
+ if (oldh<0){
+ hc=0.0;
+ hs=0.0;
+ } else {
+ hc=oscilFFTfreqs.c[oldh+1];
+ hs=oscilFFTfreqs.s[oldh+1];
+ };
+ oscilFFTfreqs.c[i+1]=hc;
+ oscilFFTfreqs.s[i+1]=hs;
+ };
+ } else {
+ for (int i=0;i<OSCIL_SIZE/2-1;i++){
+ int oldh=i+abs(harmonicshift);
+ if (oldh>=(OSCIL_SIZE/2-1)){
+ hc=0.0;
+ hs=0.0;
+ } else {
+ hc=oscilFFTfreqs.c[oldh+1];
+ hs=oscilFFTfreqs.s[oldh+1];
+ if (fabs(hc)<0.000001) hc=0.0;
+ if (fabs(hs)<0.000001) hs=0.0;
+ };
+
+ oscilFFTfreqs.c[i+1]=hc;
+ oscilFFTfreqs.s[i+1]=hs;
+ };
+ };
+
+ oscilFFTfreqs.c[0]=0.0;
+};
+
+/*
+ * Prepare the Oscillator
+ */
+void OscilGen::prepare(){
+ int i,j,k;
+ REALTYPE a,b,c,d,hmagnew;
+
+ if ((oldbasepar!=Pbasefuncpar)||(oldbasefunc!=Pcurrentbasefunc)||
+ (oldbasefuncmodulation!=Pbasefuncmodulation)||
+ (oldbasefuncmodulationpar1!=Pbasefuncmodulationpar1)||
+ (oldbasefuncmodulationpar2!=Pbasefuncmodulationpar2)||
+ (oldbasefuncmodulationpar3!=Pbasefuncmodulationpar3))
+ changebasefunction();
+
+ for (i=0;i<MAX_AD_HARMONICS;i++) hphase[i]=(Phphase[i]-64.0)/64.0*PI/(i+1);
+
+ for (i=0;i<MAX_AD_HARMONICS;i++){
+ hmagnew=1.0-fabs(Phmag[i]/64.0-1.0);
+ switch(Phmagtype){
+ case 1:hmag[i]=exp(hmagnew*log(0.01)); break;
+ case 2:hmag[i]=exp(hmagnew*log(0.001));break;
+ case 3:hmag[i]=exp(hmagnew*log(0.0001));break;
+ case 4:hmag[i]=exp(hmagnew*log(0.00001));break;
+ default:hmag[i]=1.0-hmagnew;
+ break;
+ };
+
+ if (Phmag[i]<64) hmag[i]=-hmag[i];
+ };
+
+ //remove the harmonics where Phmag[i]==64
+ for (i=0;i<MAX_AD_HARMONICS;i++) if (Phmag[i]==64) hmag[i]=0.0;
+
+
+ for (i=0;i<OSCIL_SIZE/2;i++) {
+ oscilFFTfreqs.c[i]=0.0;
+ oscilFFTfreqs.s[i]=0.0;
+ };
+ if (Pcurrentbasefunc==0) {//the sine case
+ for (i=0;i<MAX_AD_HARMONICS;i++){
+ oscilFFTfreqs.c[i+1]=-hmag[i]*sin(hphase[i]*(i+1))/2.0;
+ oscilFFTfreqs.s[i+1]=hmag[i]*cos(hphase[i]*(i+1))/2.0;
+ };
+ } else {
+ for (j=0;j<MAX_AD_HARMONICS;j++){
+ if (Phmag[j]==64) continue;
+ for (i=1;i<OSCIL_SIZE/2;i++){
+ k=i*(j+1);if (k>=OSCIL_SIZE/2) break;
+ a=basefuncFFTfreqs.c[i];
+ b=basefuncFFTfreqs.s[i];
+ c=hmag[j]*cos(hphase[j]*k);
+ d=hmag[j]*sin(hphase[j]*k);
+ oscilFFTfreqs.c[k]+=a*c-b*d;
+ oscilFFTfreqs.s[k]+=a*d+b*c;
+ };
+ };
+
+ };
+
+ if (Pharmonicshiftfirst!=0) shiftharmonics();
+
+
+
+ if (Pfilterbeforews==0){
+ waveshape();
+ oscilfilter();
+ } else {
+ oscilfilter();
+ waveshape();
+ };
+
+ modulation();
+ spectrumadjust();
+ if (Pharmonicshiftfirst==0) shiftharmonics();
+
+ oscilFFTfreqs.c[0]=0.0;
+
+ oldhmagtype=Phmagtype;
+ oldharmonicshift=Pharmonicshift+Pharmonicshiftfirst*256;
+
+ oscilprepared=1;
+};
+
+void OscilGen::adaptiveharmonic(FFTFREQS f,REALTYPE freq){
+ if ((Padaptiveharmonics==0)/*||(freq<1.0)*/) return;
+ if (freq<1.0) freq=440.0;
+
+ FFTFREQS inf;
+ newFFTFREQS(&inf,OSCIL_SIZE/2);
+ for (int i=0;i<OSCIL_SIZE/2;i++) {
+ inf.s[i]=f.s[i];
+ inf.c[i]=f.c[i];
+ f.s[i]=0.0;
+ f.c[i]=0.0;
+ };
+ inf.c[0]=0.0;inf.s[0]=0.0;
+
+ REALTYPE hc=0.0,hs=0.0;
+ REALTYPE basefreq=30.0*pow(10.0,Padaptiveharmonicsbasefreq/128.0);
+ REALTYPE power=(Padaptiveharmonicspower+1.0)/101.0;
+
+ REALTYPE rap=freq/basefreq;
+
+ rap=pow(rap,power);
+
+ bool down=false;
+ if (rap>1.0) {
+ rap=1.0/rap;
+ down=true;
+ };
+
+ for (int i=0;i<OSCIL_SIZE/2-2;i++){
+ REALTYPE h=i*rap;
+ int high=(int)(i*rap);
+ REALTYPE low=fmod(h,1.0);
+
+ if (high>=(OSCIL_SIZE/2-2)){
+ break;
+ } else {
+ if (down){
+ f.c[high]+=inf.c[i]*(1.0-low);
+ f.s[high]+=inf.s[i]*(1.0-low);
+ f.c[high+1]+=inf.c[i]*low;
+ f.s[high+1]+=inf.s[i]*low;
+ } else {
+ hc=inf.c[high]*(1.0-low)+inf.c[high+1]*low;
+ hs=inf.s[high]*(1.0-low)+inf.s[high+1]*low;
+ };
+ if (fabs(hc)<0.000001) hc=0.0;
+ if (fabs(hs)<0.000001) hs=0.0;
+ };
+
+ if (!down){
+ if (i==0) {//corect the aplitude of the first harmonic
+ hc*=rap;
+ hs*=rap;
+ };
+ f.c[i]=hc;
+ f.s[i]=hs;
+ };
+ };
+
+ f.c[1]+=f.c[0];f.s[1]+=f.s[0];
+ f.c[0]=0.0;f.s[0]=0.0;
+ deleteFFTFREQS(&inf);
+};
+
+void OscilGen::adaptiveharmonicpostprocess(REALTYPE *f,int size){
+ if (Padaptiveharmonics<=1) return;
+ REALTYPE *inf=new REALTYPE[size];
+ REALTYPE par=Padaptiveharmonicspar*0.01;
+ par=1.0-pow((1.0-par),1.5);
+
+ for (int i=0;i<size;i++) {
+ inf[i]=f[i]*par;
+ f[i]=f[i]*(1.0-par);
+ };
+
+
+ if (Padaptiveharmonics==2){//2n+1
+ for (int i=0;i<size;i++) if ((i%2)==0) f[i]+=inf[i];//i=0 pt prima armonica,etc.
+ } else{//celelalte moduri
+ int nh=(Padaptiveharmonics-3)/2+2;
+ int sub_vs_add=(Padaptiveharmonics-3)%2;
+ if (sub_vs_add==0){
+ for (int i=0;i<size;i++) {
+ if (((i+1)%nh)==0){
+ f[i]+=inf[i];
+ };
+ };
+ } else {
+ for (int i=0;i<size/nh-1;i++) {
+ f[(i+1)*nh-1]+=inf[i];
+ };
+ };
+ };
+
+ delete(inf);
+};
+
+
+
+/*
+ * Get the oscillator function
+ */
+short int OscilGen::get(REALTYPE *smps,REALTYPE freqHz){
+ return(this->get(smps,freqHz,0));
+};
+
+void OscilGen::newrandseed(unsigned int randseed){
+ this->randseed=randseed;
+};
+
+/*
+ * Get the oscillator function
+ */
+short int OscilGen::get(REALTYPE *smps,REALTYPE freqHz,int resonance){
+ int i;
+ int nyquist,outpos;
+
+ if ((oldbasepar!=Pbasefuncpar)||(oldbasefunc!=Pcurrentbasefunc)||(oldhmagtype!=Phmagtype)
+ ||(oldwaveshaping!=Pwaveshaping)||(oldwaveshapingfunction!=Pwaveshapingfunction)) oscilprepared=0;
+ if (oldfilterpars!=Pfiltertype*256+Pfilterpar1+Pfilterpar2*65536+Pfilterbeforews*16777216){
+ oscilprepared=0;
+ oldfilterpars=Pfiltertype*256+Pfilterpar1+Pfilterpar2*65536+Pfilterbeforews*16777216;
+ };
+ if (oldsapars!=Psatype*256+Psapar){
+ oscilprepared=0;
+ oldsapars=Psatype*256+Psapar;
+ };
+
+ if ((oldbasefuncmodulation!=Pbasefuncmodulation)||
+ (oldbasefuncmodulationpar1!=Pbasefuncmodulationpar1)||
+ (oldbasefuncmodulationpar2!=Pbasefuncmodulationpar2)||
+ (oldbasefuncmodulationpar3!=Pbasefuncmodulationpar3))
+ oscilprepared=0;
+
+ if ((oldmodulation!=Pmodulation)||
+ (oldmodulationpar1!=Pmodulationpar1)||
+ (oldmodulationpar2!=Pmodulationpar2)||
+ (oldmodulationpar3!=Pmodulationpar3))
+ oscilprepared=0;
+
+ if (oldharmonicshift!=Pharmonicshift+Pharmonicshiftfirst*256) oscilprepared=0;
+
+ if (oscilprepared!=1) prepare();
+
+ outpos=(int)((RND*2.0-1.0)*(REALTYPE) OSCIL_SIZE*(Prand-64.0)/64.0);
+ outpos=(outpos+2*OSCIL_SIZE) % OSCIL_SIZE;
+
+
+ for (i=0;i<OSCIL_SIZE/2;i++){
+ outoscilFFTfreqs.c[i]=0.0;
+ outoscilFFTfreqs.s[i]=0.0;
+ };
+
+ nyquist=(int)(0.5*SAMPLE_RATE/fabs(freqHz))+2;
+ if (ADvsPAD) nyquist=(int)(OSCIL_SIZE/2);
+ if (nyquist>OSCIL_SIZE/2) nyquist=OSCIL_SIZE/2;
+
+
+ int realnyquist=nyquist;
+
+ if (Padaptiveharmonics!=0) nyquist=OSCIL_SIZE/2;
+ for (i=1;i<nyquist-1;i++) {
+ outoscilFFTfreqs.c[i]=oscilFFTfreqs.c[i];
+ outoscilFFTfreqs.s[i]=oscilFFTfreqs.s[i];
+ };
+
+ adaptiveharmonic(outoscilFFTfreqs,freqHz);
+ adaptiveharmonicpostprocess(&outoscilFFTfreqs.c[1],OSCIL_SIZE/2-1);
+ adaptiveharmonicpostprocess(&outoscilFFTfreqs.s[1],OSCIL_SIZE/2-1);
+
+ nyquist=realnyquist;
+ if (Padaptiveharmonics){//do the antialiasing in the case of adaptive harmonics
+ for (i=nyquist;i<OSCIL_SIZE/2;i++) {
+ outoscilFFTfreqs.s[i]=0;
+ outoscilFFTfreqs.c[i]=0;
+ };
+ };
+
+ // Randomness (each harmonic), the block type is computed
+ // in ADnote by setting start position according to this setting
+ if ((Prand>64)&&(freqHz>=0.0)&&(!ADvsPAD)){
+ REALTYPE rnd,angle,a,b,c,d;
+ rnd=PI*pow((Prand-64.0)/64.0,2.0);
+ for (i=1;i<nyquist-1;i++){//to Nyquist only for AntiAliasing
+ angle=rnd*i*RND;
+ a=outoscilFFTfreqs.c[i];
+ b=outoscilFFTfreqs.s[i];
+ c=cos(angle);
+ d=sin(angle);
+ outoscilFFTfreqs.c[i]=a*c-b*d;
+ outoscilFFTfreqs.s[i]=a*d+b*c;
+ };
+ };
+
+ //Harmonic Amplitude Randomness
+ if ((freqHz>0.1)&&(!ADvsPAD)) {
+ unsigned int realrnd=rand();
+ srand(randseed);
+ REALTYPE power=Pamprandpower/127.0;
+ REALTYPE normalize=1.0/(1.2-power);
+ switch (Pamprandtype){
+ case 1: power=power*2.0-0.5;
+ power=pow(15.0,power);
+ for (i=1;i<nyquist-1;i++){
+ REALTYPE amp=pow(RND,power)*normalize;
+ outoscilFFTfreqs.c[i]*=amp;
+ outoscilFFTfreqs.s[i]*=amp;
+ };
+ break;
+ case 2: power=power*2.0-0.5;
+ power=pow(15.0,power)*2.0;
+ REALTYPE rndfreq=2*PI*RND;
+ for (i=1;i<nyquist-1;i++){
+ REALTYPE amp=pow(fabs(sin(i*rndfreq)),power)*normalize;
+ outoscilFFTfreqs.c[i]*=amp;
+ outoscilFFTfreqs.s[i]*=amp;
+ };
+ break;
+ };
+ srand(realrnd+1);
+ };
+
+ if ((freqHz>0.1)&&(resonance!=0)) res->applyres(nyquist-1,outoscilFFTfreqs,freqHz);
+
+ //Full RMS normalize
+ REALTYPE sum=0;
+ for (int j=1;j<OSCIL_SIZE/2;j++) {
+ REALTYPE term=outoscilFFTfreqs.c[j]*outoscilFFTfreqs.c[j]
+ +outoscilFFTfreqs.s[j]*outoscilFFTfreqs.s[j];
+ sum+=term;
+ };
+ if (sum<0.000001) sum=1.0;
+ sum=1.0/sqrt(sum);
+ for (int j=1;j<OSCIL_SIZE/2;j++) {
+ outoscilFFTfreqs.c[j]*=sum;
+ outoscilFFTfreqs.s[j]*=sum;
+ };
+
+
+ if ((ADvsPAD)&&(freqHz>0.1)){//in this case the smps will contain the freqs
+ for (i=1;i<OSCIL_SIZE/2;i++) smps[i-1]=sqrt(outoscilFFTfreqs.c[i]*outoscilFFTfreqs.c[i]
+ +outoscilFFTfreqs.s[i]*outoscilFFTfreqs.s[i]);
+ } else {
+ fft->freqs2smps(outoscilFFTfreqs,smps);
+ for (i=0;i<OSCIL_SIZE;i++) smps[i]*=0.25;//correct the amplitude
+ };
+
+ if (Prand<64) return(outpos);
+ else return(0);
+};
+
+
+/*
+ * Get the spectrum of the oscillator for the UI
+ */
+void OscilGen::getspectrum(int n, REALTYPE *spc,int what){
+ if (n>OSCIL_SIZE/2) n=OSCIL_SIZE/2;
+
+ for (int i=1;i<n;i++){
+ if (what==0){
+ spc[i-1]=sqrt(oscilFFTfreqs.c[i]*oscilFFTfreqs.c[i]
+ +oscilFFTfreqs.s[i]*oscilFFTfreqs.s[i]);
+ } else {
+ if (Pcurrentbasefunc==0) spc[i-1]=((i==1)?(1.0):(0.0));
+ else spc[i-1]=sqrt(basefuncFFTfreqs.c[i]*basefuncFFTfreqs.c[i]+
+ basefuncFFTfreqs.s[i]*basefuncFFTfreqs.s[i]);
+ };
+ };
+
+ if (what==0) {
+ for (int i=0;i<n;i++) outoscilFFTfreqs.s[i]=outoscilFFTfreqs.c[i]=spc[i+1];
+ for (int i=n;i<OSCIL_SIZE/2;i++) outoscilFFTfreqs.s[i]=outoscilFFTfreqs.c[i]=0.0;
+ adaptiveharmonic(outoscilFFTfreqs,0.0);
+ for (int i=1;i<n;i++) spc[i-1]=outoscilFFTfreqs.s[i];
+ adaptiveharmonicpostprocess(spc,n-1);
+ };
+};
+
+
+/*
+ * Convert the oscillator as base function
+ */
+void OscilGen::useasbase(){
+ int i;
+
+ for (i=0;i<OSCIL_SIZE/2;i++) {
+ basefuncFFTfreqs.c[i]=oscilFFTfreqs.c[i];
+ basefuncFFTfreqs.s[i]=oscilFFTfreqs.s[i];
+ };
+
+ oldbasefunc=Pcurrentbasefunc=127;
+
+ prepare();
+};
+
+
+/*
+ * Get the base function for UI
+ */
+void OscilGen::getcurrentbasefunction(REALTYPE *smps){
+ if (Pcurrentbasefunc!=0) {
+ fft->freqs2smps(basefuncFFTfreqs,smps);
+ } else getbasefunction(smps);//the sine case
+};
+
+
+void OscilGen::add2XML(XMLwrapper *xml){
+ xml->addpar("harmonic_mag_type",Phmagtype);
+
+ xml->addpar("base_function",Pcurrentbasefunc);
+ xml->addpar("base_function_par",Pbasefuncpar);
+ xml->addpar("base_function_modulation",Pbasefuncmodulation);
+ xml->addpar("base_function_modulation_par1",Pbasefuncmodulationpar1);
+ xml->addpar("base_function_modulation_par2",Pbasefuncmodulationpar2);
+ xml->addpar("base_function_modulation_par3",Pbasefuncmodulationpar3);
+
+ xml->addpar("modulation",Pmodulation);
+ xml->addpar("modulation_par1",Pmodulationpar1);
+ xml->addpar("modulation_par2",Pmodulationpar2);
+ xml->addpar("modulation_par3",Pmodulationpar3);
+
+ xml->addpar("wave_shaping",Pwaveshaping);
+ xml->addpar("wave_shaping_function",Pwaveshapingfunction);
+
+ xml->addpar("filter_type",Pfiltertype);
+ xml->addpar("filter_par1",Pfilterpar1);
+ xml->addpar("filter_par2",Pfilterpar2);
+ xml->addpar("filter_before_wave_shaping",Pfilterbeforews);
+
+ xml->addpar("spectrum_adjust_type",Psatype);
+ xml->addpar("spectrum_adjust_par",Psapar);
+
+ xml->addpar("rand",Prand);
+ xml->addpar("amp_rand_type",Pamprandtype);
+ xml->addpar("amp_rand_power",Pamprandpower);
+
+ xml->addpar("harmonic_shift",Pharmonicshift);
+ xml->addparbool("harmonic_shift_first",Pharmonicshiftfirst);
+
+ xml->addpar("adaptive_harmonics",Padaptiveharmonics);
+ xml->addpar("adaptive_harmonics_base_frequency",Padaptiveharmonicsbasefreq);
+ xml->addpar("adaptive_harmonics_power",Padaptiveharmonicspower);
+
+ xml->beginbranch("HARMONICS");
+ for (int n=0;n<MAX_AD_HARMONICS;n++){
+ if ((Phmag[n]==64)&&(Phphase[n]==64)) continue;
+ xml->beginbranch("HARMONIC",n+1);
+ xml->addpar("mag",Phmag[n]);
+ xml->addpar("phase",Phphase[n]);
+ xml->endbranch();
+ };
+ xml->endbranch();
+
+ if (Pcurrentbasefunc==127){
+ REALTYPE max=0.0;
+
+ for (int i=0;i<OSCIL_SIZE/2;i++){
+ if (max<fabs(basefuncFFTfreqs.c[i])) max=fabs(basefuncFFTfreqs.c[i]);
+ if (max<fabs(basefuncFFTfreqs.s[i])) max=fabs(basefuncFFTfreqs.s[i]);
+ };
+ if (max<0.00000001) max=1.0;
+
+ xml->beginbranch("BASE_FUNCTION");
+ for (int i=1;i<OSCIL_SIZE/2;i++){
+ REALTYPE xc=basefuncFFTfreqs.c[i]/max;
+ REALTYPE xs=basefuncFFTfreqs.s[i]/max;
+ if ((fabs(xs)>0.00001)&&(fabs(xs)>0.00001)){
+ xml->beginbranch("BF_HARMONIC",i);
+ xml->addparreal("cos",xc);
+ xml->addparreal("sin",xs);
+ xml->endbranch();
+ };
+ };
+ xml->endbranch();
+ };
+};
+
+
+void OscilGen::getfromXML(XMLwrapper *xml){
+
+ Phmagtype=xml->getpar127("harmonic_mag_type",Phmagtype);
+
+ Pcurrentbasefunc=xml->getpar127("base_function",Pcurrentbasefunc);
+ Pbasefuncpar=xml->getpar127("base_function_par",Pbasefuncpar);
+
+ Pbasefuncmodulation=xml->getpar127("base_function_modulation",Pbasefuncmodulation);
+ Pbasefuncmodulationpar1=xml->getpar127("base_function_modulation_par1",Pbasefuncmodulationpar1);
+ Pbasefuncmodulationpar2=xml->getpar127("base_function_modulation_par2",Pbasefuncmodulationpar2);
+ Pbasefuncmodulationpar3=xml->getpar127("base_function_modulation_par3",Pbasefuncmodulationpar3);
+
+ Pmodulation=xml->getpar127("modulation",Pmodulation);
+ Pmodulationpar1=xml->getpar127("modulation_par1",Pmodulationpar1);
+ Pmodulationpar2=xml->getpar127("modulation_par2",Pmodulationpar2);
+ Pmodulationpar3=xml->getpar127("modulation_par3",Pmodulationpar3);
+
+ Pwaveshaping=xml->getpar127("wave_shaping",Pwaveshaping);
+ Pwaveshapingfunction=xml->getpar127("wave_shaping_function",Pwaveshapingfunction);
+
+ Pfiltertype=xml->getpar127("filter_type",Pfiltertype);
+ Pfilterpar1=xml->getpar127("filter_par1",Pfilterpar1);
+ Pfilterpar2=xml->getpar127("filter_par2",Pfilterpar2);
+ Pfilterbeforews=xml->getpar127("filter_before_wave_shaping",Pfilterbeforews);
+
+ Psatype=xml->getpar127("spectrum_adjust_type",Psatype);
+ Psapar=xml->getpar127("spectrum_adjust_par",Psapar);
+
+ Prand=xml->getpar127("rand",Prand);
+ Pamprandtype=xml->getpar127("amp_rand_type",Pamprandtype);
+ Pamprandpower=xml->getpar127("amp_rand_power",Pamprandpower);
+
+ Pharmonicshift=xml->getpar("harmonic_shift",Pharmonicshift,-64,64);
+ Pharmonicshiftfirst=xml->getparbool("harmonic_shift_first",Pharmonicshiftfirst);
+
+ Padaptiveharmonics=xml->getpar("adaptive_harmonics",Padaptiveharmonics,0,127);
+ Padaptiveharmonicsbasefreq=xml->getpar("adaptive_harmonics_base_frequency",Padaptiveharmonicsbasefreq,0,255);
+ Padaptiveharmonicspower=xml->getpar("adaptive_harmonics_power",Padaptiveharmonicspower,0,200);
+
+
+ if (xml->enterbranch("HARMONICS")){
+ Phmag[0]=64;Phphase[0]=64;
+ for (int n=0;n<MAX_AD_HARMONICS;n++){
+ if (xml->enterbranch("HARMONIC",n+1)==0) continue;
+ Phmag[n]=xml->getpar127("mag",64);
+ Phphase[n]=xml->getpar127("phase",64);
+ xml->exitbranch();
+ };
+ xml->exitbranch();
+ };
+
+ if (Pcurrentbasefunc!=0) changebasefunction();
+
+
+ if (xml->enterbranch("BASE_FUNCTION")){
+ for (int i=1;i<OSCIL_SIZE/2;i++){
+ if (xml->enterbranch("BF_HARMONIC",i)){
+ basefuncFFTfreqs.c[i]=xml->getparreal("cos",0.0);
+ basefuncFFTfreqs.s[i]=xml->getparreal("sin",0.0);
+ xml->exitbranch();
+ };
+
+
+ };
+ xml->exitbranch();
+
+ REALTYPE max=0.0;
+
+ basefuncFFTfreqs.c[0]=0.0;
+ for (int i=0;i<OSCIL_SIZE/2;i++) {
+ if (max<fabs(basefuncFFTfreqs.c[i])) max=fabs(basefuncFFTfreqs.c[i]);
+ if (max<fabs(basefuncFFTfreqs.s[i])) max=fabs(basefuncFFTfreqs.s[i]);
+ };
+ if (max<0.00000001) max=1.0;
+
+ for (int i=0;i<OSCIL_SIZE/2;i++) {
+ if (basefuncFFTfreqs.c[i]) basefuncFFTfreqs.c[i]/=max;
+ if (basefuncFFTfreqs.s[i]) basefuncFFTfreqs.s[i]/=max;
+ };
+ };
+};
+
+
+
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-28 14:09:41 +0000