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//----------------------------------------------------------
// author: "Grame"
// copyright: "(c)GRAME 2006"
// license: "BSD"
// name: "pitch-shifter"
// version: "1.0"
//
// Code generated with Faust 2.77.2 (https://faust.grame.fr)
//----------------------------------------------------------
/* link with */
#include <math.h>
#ifndef FAUSTFLOAT
#define FAUSTFLOAT float
#endif
#ifndef FAUSTCLASS
#define FAUSTCLASS mydsp
#endif
class mydsp : public dsp {
private:
float fVec0[65536]; // Ring Delay
FAUSTFLOAT fslider0;
FAUSTFLOAT fslider1;
// Recursion delay fVeeec0 is of type kMonoDelay
// While its definition is of type kZeroDelay
float fVeeec0State; // Mono Delay
FAUSTFLOAT fslider2;
int IOTA;
int fSampleRate;
public:
virtual void metadata(Meta* m) {
m->declare("author", "Grame");
m->declare("copyright", "(c)GRAME 2006");
m->declare("filename", "pitch_shifter.dsp");
m->declare("license", "BSD");
m->declare("math.lib/author", "GRAME");
m->declare("math.lib/copyright", "GRAME");
m->declare("math.lib/deprecated", "This library is deprecated and is not maintained anymore. It will be removed in August 2017.");
m->declare("math.lib/license", "LGPL with exception");
m->declare("math.lib/name", "Math Library");
m->declare("math.lib/version", "1.0");
m->declare("music.lib/author", "GRAME");
m->declare("music.lib/copyright", "GRAME");
m->declare("music.lib/license", "LGPL with exception");
m->declare("music.lib/name", "Music Library");
m->declare("music.lib/version", "1.0");
m->declare("name", "pitch-shifter");
m->declare("version", "1.0");
}
virtual int getNumInputs() { return 1; }
virtual int getNumOutputs() { return 1; }
static void classInit(int sample_rate) {
}
virtual void instanceConstants(int sample_rate) {
fSampleRate = sample_rate;
}
virtual void instanceResetUserInterface() {
fslider0 = 1e+03f;
fslider1 = 0.0f;
fslider2 = 1e+01f;
}
virtual void instanceClear() {
for (int i = 0; i < 65536; i++) { fVec0[i] = 0; }
fVeeec0State = 0;
IOTA = 0;
}
virtual void init(int sample_rate) {
classInit(sample_rate);
instanceInit(sample_rate);
}
virtual void instanceInit(int sample_rate) {
instanceConstants(sample_rate);
instanceResetUserInterface();
instanceClear();
}
virtual mydsp* clone() {
return new mydsp();
}
virtual int getSampleRate() {
return fSampleRate;
}
virtual void buildUserInterface(UI* ui_interface) {
ui_interface->openVerticalBox("Pitch Shifter");
ui_interface->addHorizontalSlider("shift (semitones)", &fslider1, 0.0f, -12.0f, 12.0f, 0.1f);
ui_interface->addHorizontalSlider("window (samples)", &fslider0, 1e+03f, 5e+01f, 1e+04f, 1.0f);
ui_interface->addHorizontalSlider("xfade (samples)", &fslider2, 1e+01f, 1.0f, 1e+04f, 1.0f);
ui_interface->closeBox();
}
virtual void compute (int count, FAUSTFLOAT** input, FAUSTFLOAT** output) {
float fSlow0 = float(fslider0); // step: 4
float fSlow1 = powf(2.0f,(0.083333336f * float(fslider1))); // step: 9
float fVeeec0;
float fSlow2 = (1.0f / float(fslider2)); // step: 33
int fullcount = count;
for (int index = 0; index < fullcount; index += 32) {
int count = min(32, fullcount-index);
FAUSTFLOAT* input0 = &input[0][index]; // Zone 3
FAUSTFLOAT* output0 = &output[0][index]; // Zone 3
fVeeec0 = fVeeec0State;
for (int i=0; i<count; i++) {
float fTemp0 = (float)input0[i]; // step: 1
int vIota0 = IOTA&65535;
fVec0[vIota0] = fTemp0;
fVeeec0 = fmodf((fSlow0 + ((fVeeec0 + 1.0f) - fSlow1)),fSlow0);
float fTemp1 = fVeeec0; // step: 18
int iTemp2 = int(fTemp1); // step: 19
int vIota1 = (IOTA-(iTemp2 & 65535))&65535;
float fTemp3 = float(iTemp2); // step: 22
float fTemp4 = (1.0f - fTemp1); // step: 23
int vIota2 = (IOTA-((iTemp2 + 1) & 65535))&65535;
float fTemp5 = min((fSlow2 * fTemp1), 1.0f); // step: 35
int iTemp6 = int((fSlow0 + fTemp1)); // step: 38
int vIota3 = (IOTA-(iTemp6 & 65535))&65535;
float fTemp7 = float(iTemp6); // step: 41
int vIota4 = (IOTA-((iTemp6 + 1) & 65535))&65535;
output0[i] = (FAUSTFLOAT)(((((fVec0[vIota1] * (fTemp3 + fTemp4)) + ((fTemp1 - fTemp3) * fVec0[vIota2])) * fTemp5) + (((fVec0[vIota3] * ((fTemp7 + fTemp4) - fSlow0)) + ((fSlow0 + (fTemp1 - fTemp7)) * fVec0[vIota4])) * (1.0f - fTemp5)))); // Zone Exec Code
// post processing
IOTA = IOTA+1;
}
fVeeec0State = fVeeec0;
}
}
};
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