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plugin cutoff range

This commit is contained in:
Gordon JC Pearce 2023-06-20 14:40:11 +01:00
parent f0bc568030
commit bb5e064e1a
3 changed files with 406 additions and 393 deletions
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10
plugins/Nekobi/DistrhoPluginNekobi.cpp
View File

@ -164,13 +164,13 @@ void DistrhoPluginNekobi::initParameter(uint32_t index, Parameter& parameter)
parameter.midiCC = 75; parameter.midiCC = 75;
break; break;
case paramCutoff: case paramCutoff:
parameter.hints = kParameterIsAutomatable; // modified x2.5 parameter.hints = kParameterIsAutomatable;
parameter.name = "Cutoff"; parameter.name = "Cutoff";
parameter.symbol = "cutoff"; parameter.symbol = "cutoff";
parameter.unit = "%"; parameter.unit = "%";
parameter.ranges.def = 25.0f; parameter.ranges.def = 63.0f;
parameter.ranges.min = 0.0f; parameter.ranges.min = 0.0f;
parameter.ranges.max = 100.0f; parameter.ranges.max = 127.0f;
parameter.midiCC = 74; parameter.midiCC = 74;
break; break;
case paramResonance: case paramResonance:
@ -270,8 +270,8 @@ void DistrhoPluginNekobi::setParameterValue(uint32_t index, float value)
break; break;
case paramCutoff: case paramCutoff:
fParams.cutoff = value; fParams.cutoff = value;
fSynth.cutoff = value/2.5f; fSynth.cutoff = value;
DISTRHO_SAFE_ASSERT(fSynth.cutoff >= 0.0f && fSynth.cutoff <= 40.0f); DISTRHO_SAFE_ASSERT(fSynth.cutoff >= 0.0f && fSynth.cutoff <= 127.0f);
break; break;
case paramResonance: case paramResonance:
fParams.resonance = value; fParams.resonance = value;

6
plugins/Nekobi/DistrhoUINekobi.cpp
View File

@ -63,9 +63,9 @@ DistrhoUINekobi::DistrhoUINekobi()
fKnobCutoff = new ImageKnob(this, knobImage, ImageKnob::Vertical); fKnobCutoff = new ImageKnob(this, knobImage, ImageKnob::Vertical);
fKnobCutoff->setId(DistrhoPluginNekobi::paramCutoff); fKnobCutoff->setId(DistrhoPluginNekobi::paramCutoff);
fKnobCutoff->setAbsolutePos(185, 43); fKnobCutoff->setAbsolutePos(185, 43);
fKnobCutoff->setRange(0.0f, 100.0f); fKnobCutoff->setRange(0.0f, 127.0f);
fKnobCutoff->setDefault(25.0f); fKnobCutoff->setDefault(50.0f);
fKnobCutoff->setValue(25.0f); fKnobCutoff->setValue(50.0f);
fKnobCutoff->setRotationAngle(305); fKnobCutoff->setRotationAngle(305);
fKnobCutoff->setCallback(this); fKnobCutoff->setCallback(this);

19
plugins/Nekobi/nekobee-src/nekobee_voice_render.c
View File

@ -96,17 +96,30 @@ void vco(nekobee_synth_t *synth, uint32_t count) {
osc->delay = delay; osc->delay = delay;
} }
void vcf(nekobee_synth_t *synth, uint32_t count) {
// run a 4-pole ladder filter over a block
// this is a crude implementation that only approximates the complex
// behaviour of the "real" ladder filter
nekobee_voice_t *voice = synth->voice;
printf("cutoff set to %f\n", synth->cutoff);
(void)voice;
(void)count;
}
void nekobee_voice_render(nekobee_synth_t *synth, float *out, uint32_t count) { void nekobee_voice_render(nekobee_synth_t *synth, float *out, uint32_t count) {
// generate "count" samples into the buffer at out // generate "count" samples into the buffer at out
vco(synth, count); vco(synth, count);
vcf(synth, count);
for(uint32_t i=0; i<count; i++) { for(uint32_t i=0; i<count; i++) {
out[i] = synth->voice->osc_audio[i]; out[i] = synth->voice->osc_audio[i];
} }
return; return;
(void)synth;
(void)out;
(void)count;
} }