Generate dsp class of EQ filter, expose the variable fBandwidth
This commit is contained in:
Jean Pierre Cimalando
parent
a7e6ae14ce
commit
1f21916c73
4 changed files with 383 additions and 2 deletions
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@ -21,6 +21,7 @@ faustgen() {
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local cutoffVar=`echo "$code" | $SED -r 's%.*\("Cutoff", &[ \t]*([a-zA-Z0-9_]+).*%\1%;t;d'`
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local resoVar=`echo "$code" | $SED -r 's%.*\("Resonance", &[ \t]*([a-zA-Z0-9_]+).*%\1%;t;d'`
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local pkshVar=`echo "$code" | $SED -r 's%.*\("Peak/shelf gain", &[ \t]*([a-zA-Z0-9_]+).*%\1%;t;d'`
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local bwVar=`echo "$code" | $SED -r 's%.*\("Bandwidth", &[ \t]*([a-zA-Z0-9_]+).*%\1%;t;d'`
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# suppress some faust-specific stuff we don't care
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echo "$code" \
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@ -47,6 +48,9 @@ faustgen() {
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if test ! -z "$pkshVar"; then
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$SED -r -i 's/\b'"$pkshVar"'\b/fPkShGain/' "$outfile"
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fi
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if test ! -z "$bwVar"; then
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$SED -r -i 's/\b'"$bwVar"'\b/fBandwidth/' "$outfile"
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fi
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}
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for f in \
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@ -57,7 +61,8 @@ for f in \
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Brf1p Brf2p \
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Lsh Hsh Peq \
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Pink \
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Lpf2pSv Hpf2pSv Bpf2pSv Brf2pSv
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Lpf2pSv Hpf2pSv Bpf2pSv Brf2pSv \
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Eq
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do
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faustgen "$f"
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faustgen "2ch$f"
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198
src/sfizz/gen/filters/sfz2chEq.cxx
Normal file
198
src/sfizz/gen/filters/sfz2chEq.cxx
Normal file
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@ -0,0 +1,198 @@
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/* ------------------------------------------------------------
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author: "Jean Pierre Cimalando"
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license: "BSD-2-Clause"
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name: "sfz_filters"
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Code generated with Faust 2.20.2 (https://faust.grame.fr)
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Compilation options: -lang cpp -inpl -double -ftz 0
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------------------------------------------------------------ */
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#ifndef __faust2chEq_H__
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#define __faust2chEq_H__
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#ifndef FAUSTFLOAT
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#define FAUSTFLOAT float
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#endif
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/* link with : "" */
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#include <algorithm>
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#include <cmath>
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#include <math.h>
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#ifndef FAUSTCLASS
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#define FAUSTCLASS faust2chEq
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#endif
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#ifdef __APPLE__
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#define exp10f __exp10f
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#define exp10 __exp10
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#endif
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class faust2chEq : public dsp {
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public:
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int fSampleRate;
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double fConst0;
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double fConst1;
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FAUSTFLOAT fCutoff;
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double fConst2;
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FAUSTFLOAT fBandwidth;
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FAUSTFLOAT fPkShGain;
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double fRec1[2];
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double fRec2[2];
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double fRec0[3];
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double fRec3[2];
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double fRec4[2];
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double fRec5[3];
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public:
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void metadata(Meta* m) {
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}
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int getNumInputs() {
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return 2;
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}
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int getNumOutputs() {
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return 2;
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}
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int getInputRate(int channel) {
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int rate;
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switch ((channel)) {
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case 0: {
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rate = 1;
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break;
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}
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case 1: {
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rate = 1;
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break;
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}
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default: {
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rate = -1;
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break;
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}
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}
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return rate;
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}
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int getOutputRate(int channel) {
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int rate;
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switch ((channel)) {
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case 0: {
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rate = 1;
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break;
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}
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case 1: {
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rate = 1;
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break;
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}
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default: {
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rate = -1;
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break;
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}
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}
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return rate;
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}
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static void classInit(int sample_rate) {
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}
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void instanceConstants(int sample_rate) {
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fSampleRate = sample_rate;
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fConst0 = std::min<double>(192000.0, std::max<double>(1.0, double(fSampleRate)));
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fConst1 = (6.2831853071795862 / fConst0);
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fConst2 = (2.1775860903036022 / fConst0);
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}
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void instanceResetUserInterface() {
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fCutoff = FAUSTFLOAT(440.0);
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fBandwidth = FAUSTFLOAT(1.0);
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fPkShGain = FAUSTFLOAT(0.0);
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}
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void instanceClear() {
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for (int l0 = 0; (l0 < 2); l0 = (l0 + 1)) {
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fRec1[l0] = 0.0;
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}
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for (int l1 = 0; (l1 < 2); l1 = (l1 + 1)) {
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fRec2[l1] = 0.0;
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}
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for (int l2 = 0; (l2 < 3); l2 = (l2 + 1)) {
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fRec0[l2] = 0.0;
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}
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for (int l3 = 0; (l3 < 2); l3 = (l3 + 1)) {
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fRec3[l3] = 0.0;
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}
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for (int l4 = 0; (l4 < 2); l4 = (l4 + 1)) {
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fRec4[l4] = 0.0;
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}
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for (int l5 = 0; (l5 < 3); l5 = (l5 + 1)) {
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fRec5[l5] = 0.0;
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}
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}
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void init(int sample_rate) {
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classInit(sample_rate);
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instanceInit(sample_rate);
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}
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void instanceInit(int sample_rate) {
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instanceConstants(sample_rate);
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instanceResetUserInterface();
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instanceClear();
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}
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faust2chEq* clone() {
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return new faust2chEq();
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}
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int getSampleRate() {
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return fSampleRate;
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}
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void buildUserInterface(UI* ui_interface) {
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}
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void compute(int count, FAUSTFLOAT** inputs, FAUSTFLOAT** outputs) {
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FAUSTFLOAT* input0 = inputs[0];
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FAUSTFLOAT* input1 = inputs[1];
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FAUSTFLOAT* output0 = outputs[0];
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FAUSTFLOAT* output1 = outputs[1];
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double fSlow0 = std::max<double>(0.0, double(fCutoff));
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double fSlow1 = (fConst1 * fSlow0);
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double fSlow2 = std::sin(fSlow1);
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double fSlow3 = std::max<double>(0.001, (0.5 / double(sinh(double((fConst2 * ((fSlow0 * double(fBandwidth)) / fSlow2)))))));
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double fSlow4 = std::pow(10.0, (0.025000000000000001 * double(fPkShGain)));
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double fSlow5 = (0.5 * (fSlow2 / (fSlow3 * fSlow4)));
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double fSlow6 = (fSlow5 + 1.0);
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double fSlow7 = (0.0010000000000000009 * ((0.0 - (2.0 * std::cos(fSlow1))) / fSlow6));
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double fSlow8 = (0.0010000000000000009 * ((1.0 - fSlow5) / fSlow6));
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double fSlow9 = (0.5 * ((fSlow2 * fSlow4) / fSlow3));
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double fSlow10 = (0.0010000000000000009 * ((fSlow9 + 1.0) / fSlow6));
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double fSlow11 = (0.0010000000000000009 * ((1.0 - fSlow9) / fSlow6));
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for (int i = 0; (i < count); i = (i + 1)) {
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double fTemp0 = double(input0[i]);
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double fTemp1 = double(input1[i]);
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fRec1[0] = (fSlow7 + (0.999 * fRec1[1]));
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double fTemp2 = (fRec1[0] * fRec0[1]);
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fRec2[0] = (fSlow8 + (0.999 * fRec2[1]));
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fRec0[0] = (fTemp0 - (fTemp2 + (fRec2[0] * fRec0[2])));
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fRec3[0] = (fSlow10 + (0.999 * fRec3[1]));
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fRec4[0] = (fSlow11 + (0.999 * fRec4[1]));
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output0[i] = FAUSTFLOAT((((fRec0[0] * fRec3[0]) + fTemp2) + (fRec4[0] * fRec0[2])));
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double fTemp3 = (fRec1[0] * fRec5[1]);
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fRec5[0] = (fTemp1 - (fTemp3 + (fRec2[0] * fRec5[2])));
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output1[i] = FAUSTFLOAT(((fTemp3 + (fRec3[0] * fRec5[0])) + (fRec4[0] * fRec5[2])));
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fRec1[1] = fRec1[0];
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fRec2[1] = fRec2[0];
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fRec0[2] = fRec0[1];
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fRec0[1] = fRec0[0];
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fRec3[1] = fRec3[0];
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fRec4[1] = fRec4[0];
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fRec5[2] = fRec5[1];
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fRec5[1] = fRec5[0];
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}
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}
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};
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#endif
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@ -175,7 +175,7 @@ class faust2chPeq : public dsp {
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output0[i] = FAUSTFLOAT((((fRec0[0] * fRec3[0]) + fTemp2) + (fRec4[0] * fRec0[2])));
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double fTemp3 = (fRec1[0] * fRec5[1]);
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fRec5[0] = (fTemp1 - (fTemp3 + (fRec2[0] * fRec5[2])));
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output1[i] = FAUSTFLOAT(((fRec3[0] * fRec5[0]) + (fTemp3 + (fRec4[0] * fRec5[2]))));
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output1[i] = FAUSTFLOAT(((fTemp3 + (fRec3[0] * fRec5[0])) + (fRec4[0] * fRec5[2])));
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fRec1[1] = fRec1[0];
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fRec2[1] = fRec2[0];
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fRec0[2] = fRec0[1];
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178
src/sfizz/gen/filters/sfzEq.cxx
Normal file
178
src/sfizz/gen/filters/sfzEq.cxx
Normal file
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@ -0,0 +1,178 @@
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/* ------------------------------------------------------------
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author: "Jean Pierre Cimalando"
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license: "BSD-2-Clause"
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name: "sfz_filters"
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Code generated with Faust 2.20.2 (https://faust.grame.fr)
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Compilation options: -lang cpp -inpl -double -ftz 0
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------------------------------------------------------------ */
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#ifndef __faustEq_H__
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#define __faustEq_H__
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#ifndef FAUSTFLOAT
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#define FAUSTFLOAT float
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#endif
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/* link with : "" */
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#include <algorithm>
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#include <cmath>
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#include <math.h>
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#ifndef FAUSTCLASS
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#define FAUSTCLASS faustEq
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#endif
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#ifdef __APPLE__
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#define exp10f __exp10f
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#define exp10 __exp10
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#endif
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class faustEq : public dsp {
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public:
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int fSampleRate;
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double fConst0;
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double fConst1;
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FAUSTFLOAT fCutoff;
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double fConst2;
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FAUSTFLOAT fBandwidth;
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FAUSTFLOAT fPkShGain;
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double fRec1[2];
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double fRec2[2];
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double fRec0[3];
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double fRec3[2];
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double fRec4[2];
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public:
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void metadata(Meta* m) {
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}
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int getNumInputs() {
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return 1;
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}
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int getNumOutputs() {
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return 1;
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}
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int getInputRate(int channel) {
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int rate;
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switch ((channel)) {
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case 0: {
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rate = 1;
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break;
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}
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default: {
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rate = -1;
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break;
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}
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}
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return rate;
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}
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int getOutputRate(int channel) {
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int rate;
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switch ((channel)) {
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case 0: {
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rate = 1;
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break;
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}
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default: {
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rate = -1;
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break;
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}
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}
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return rate;
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}
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static void classInit(int sample_rate) {
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}
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void instanceConstants(int sample_rate) {
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fSampleRate = sample_rate;
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fConst0 = std::min<double>(192000.0, std::max<double>(1.0, double(fSampleRate)));
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fConst1 = (6.2831853071795862 / fConst0);
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fConst2 = (2.1775860903036022 / fConst0);
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}
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void instanceResetUserInterface() {
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fCutoff = FAUSTFLOAT(440.0);
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fBandwidth = FAUSTFLOAT(1.0);
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fPkShGain = FAUSTFLOAT(0.0);
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}
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void instanceClear() {
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for (int l0 = 0; (l0 < 2); l0 = (l0 + 1)) {
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fRec1[l0] = 0.0;
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}
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for (int l1 = 0; (l1 < 2); l1 = (l1 + 1)) {
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fRec2[l1] = 0.0;
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}
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for (int l2 = 0; (l2 < 3); l2 = (l2 + 1)) {
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fRec0[l2] = 0.0;
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}
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for (int l3 = 0; (l3 < 2); l3 = (l3 + 1)) {
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fRec3[l3] = 0.0;
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}
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for (int l4 = 0; (l4 < 2); l4 = (l4 + 1)) {
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fRec4[l4] = 0.0;
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}
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}
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void init(int sample_rate) {
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classInit(sample_rate);
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instanceInit(sample_rate);
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}
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void instanceInit(int sample_rate) {
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instanceConstants(sample_rate);
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instanceResetUserInterface();
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instanceClear();
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}
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faustEq* clone() {
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return new faustEq();
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}
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int getSampleRate() {
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return fSampleRate;
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}
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void buildUserInterface(UI* ui_interface) {
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}
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void compute(int count, FAUSTFLOAT** inputs, FAUSTFLOAT** outputs) {
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FAUSTFLOAT* input0 = inputs[0];
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FAUSTFLOAT* output0 = outputs[0];
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double fSlow0 = std::max<double>(0.0, double(fCutoff));
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double fSlow1 = (fConst1 * fSlow0);
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double fSlow2 = std::sin(fSlow1);
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double fSlow3 = std::max<double>(0.001, (0.5 / double(sinh(double((fConst2 * ((fSlow0 * double(fBandwidth)) / fSlow2)))))));
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double fSlow4 = std::pow(10.0, (0.025000000000000001 * double(fPkShGain)));
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double fSlow5 = (0.5 * (fSlow2 / (fSlow3 * fSlow4)));
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double fSlow6 = (fSlow5 + 1.0);
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double fSlow7 = (0.0010000000000000009 * ((0.0 - (2.0 * std::cos(fSlow1))) / fSlow6));
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double fSlow8 = (0.0010000000000000009 * ((1.0 - fSlow5) / fSlow6));
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double fSlow9 = (0.5 * ((fSlow2 * fSlow4) / fSlow3));
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double fSlow10 = (0.0010000000000000009 * ((fSlow9 + 1.0) / fSlow6));
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double fSlow11 = (0.0010000000000000009 * ((1.0 - fSlow9) / fSlow6));
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for (int i = 0; (i < count); i = (i + 1)) {
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double fTemp0 = double(input0[i]);
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fRec1[0] = (fSlow7 + (0.999 * fRec1[1]));
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double fTemp1 = (fRec1[0] * fRec0[1]);
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fRec2[0] = (fSlow8 + (0.999 * fRec2[1]));
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fRec0[0] = (fTemp0 - (fTemp1 + (fRec2[0] * fRec0[2])));
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fRec3[0] = (fSlow10 + (0.999 * fRec3[1]));
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fRec4[0] = (fSlow11 + (0.999 * fRec4[1]));
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output0[i] = FAUSTFLOAT((((fRec0[0] * fRec3[0]) + fTemp1) + (fRec4[0] * fRec0[2])));
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fRec1[1] = fRec1[0];
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fRec2[1] = fRec2[0];
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fRec0[2] = fRec0[1];
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fRec0[1] = fRec0[0];
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fRec3[1] = fRec3[0];
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fRec4[1] = fRec4[0];
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}
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}
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};
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#endif
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