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//----------------------------------------------------------
// author: "Grame"
// copyright: "(c)GRAME 2006"
// license: "BSD"
// name: "lowcut"
// 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:
FAUSTFLOAT fslider0;
float fConst0; // step: 9
FAUSTFLOAT fslider1;
// Recursion delay fVeeec0 is of type kCopyDelay
// While its definition is of type kZeroDelay
float fVeeec0State[2]; // Copy Delay
int fSampleRate;
public:
virtual void metadata(Meta* m) {
m->declare("author", "Grame");
m->declare("copyright", "(c)GRAME 2006");
m->declare("filename", "lowcut.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", "lowcut");
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;
fConst0 = (3.1415927f / min(1.92e+05f, max(1.0f, float(fSampleRate)))); // step: 9
}
virtual void instanceResetUserInterface() {
fslider0 = 1e+02f;
fslider1 = 0.0f;
}
virtual void instanceClear() {
for (int j = 0; j < 2; j++) { fVeeec0State[j] = 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("low-freq shelving cut");
ui_interface->declare(&fslider1, "style", "knob");
ui_interface->declare(&fslider1, "unit", "dB");
ui_interface->addHorizontalSlider("attenuation", &fslider1, 0.0f, -96.0f, 1e+01f, 0.1f);
ui_interface->declare(&fslider0, "style", "knob");
ui_interface->declare(&fslider0, "unit", "Hz");
ui_interface->addHorizontalSlider("freq", &fslider0, 1e+02f, 2e+01f, 5e+03f, 1.0f);
ui_interface->closeBox();
}
virtual void compute (int count, FAUSTFLOAT** input, FAUSTFLOAT** output) {
float fSlow0 = tanf((fConst0 * float(fslider0))); // step: 11
float fSlow1 = powf(1e+01f,-(0.05f * float(fslider1))); // step: 19
float fSlow2 = sqrtf((2.0f * fSlow1)); // step: 21
float fSlow3 = (fSlow0 * fSlow1); // step: 22
float fSlow4 = (1.0f / ((fSlow0 * (fSlow2 + fSlow3)) + 1.0f)); // step: 26
float fSlow5 = ((fSlow0 * (fSlow0 + -1.4142135f)) + 1.0f); // step: 32
float fSlow6 = (1.0f - (fSlow0 * (fSlow2 - fSlow3))); // step: 38
float fSlow7 = powf(fSlow0,2.0f); // step: 42
float fSlow8 = (2.0f * ((fSlow7 * fSlow1) + -1.0f)); // step: 45
float fVeeec0[3];
float fSlow9 = ((fSlow0 * (fSlow0 + 1.4142135f)) + 1.0f); // step: 55
float fSlow10 = (2.0f * (fSlow7 + -1.0f)); // step: 58
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[1] = fVeeec0State[0];
fVeeec0[2] = fVeeec0State[1];
for (int i=0; i<count; i++) {
float fTemp0 = fVeeec0[2]; // step: 28
float fTemp1 = fVeeec0[1]; // step: 41
fVeeec0[0] = ((float)input0[i] - (fSlow4 * ((fSlow6 * fTemp0) + (fSlow8 * fTemp1))));
output0[i] = (FAUSTFLOAT)((fSlow4 * (((fSlow9 * fVeeec0[0]) + (fSlow10 * fTemp1)) + (fSlow5 * fTemp0)))); // Zone Exec Code
// post processing
fVeeec0[2] = fVeeec0[1];
fVeeec0[1] = fVeeec0[0];
}
fVeeec0State[0] = fVeeec0[1];
fVeeec0State[1] = fVeeec0[2];
}
}
};
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