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sonnenlicht
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filter changes, add rest of parameters

This commit is contained in:
Gordon JC Pearce 2025-08-18 22:38:04 +01:00
parent 81b17f1a0a
commit d054c99eb1
5 changed files with 73 additions and 26 deletions
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32
plugin/generator.cpp
View File

@ -24,17 +24,9 @@
#include "DistrhoPluginInfo.h"
Generator::Generator(uint32_t bufferSize) {
Generator::Generator(uint32_t bufferSize, float sampleRate) {
output = new float[bufferSize];
}
Generator::~Generator() {
delete output;
}
void Generator::setupGenerator(double sampleRate) {
// create the phase increments for each semitone
// create the phase increments for each semitone
for (uint8_t i = 0; i < 12; i++) {
phase[i] = 0;
uint32_t f;
@ -43,6 +35,10 @@ void Generator::setupGenerator(double sampleRate) {
}
}
Generator::~Generator() {
delete output;
}
void Generator::runBlock(uint8_t *noteTable, uint32_t frames) {
Voice *v;
uint32_t i;
@ -69,23 +65,20 @@ void Generator::runBlock(uint8_t *noteTable, uint32_t frames) {
v->vc78 = ((n - v->vc78) * v->c78) + v->vc78;
v->vc107 = ((v->vc78 - v->vc107) * v->c107) + v->vc107;
d = (phase[n1] & (0x80000000 >> n2)) != 0;
n = d ? 0.25 : -0.25;
v->vc33 = ((n - v->vc33) * v->c33) + v->vc33;
n -= v->vc33;
n *= d ? 1 : 0;
v->vc22 = ((n - v->vc22) * v->c22) + v->vc22;
v->vc31 = ((v->vc31 - v->vc31) * v->c31) + v->vc31;
v->vc31 = ((v->vc22 - v->vc31) * v->c31) + v->vc31;
v->vca = ((v->gate - v->vca) * v->vcatc) + v->vca;
float v4 = (v->vc78 - v->vc107);
float v8 = (v->vc22 - v->vc31);
output[i] += (v4 + v8) * v->vca; //((noteTable[k]&0x80)?0:1);
output[i] += 0.25* (v4 + v8) * v->vca; //((noteTable[k]&0x80)?0:1);
}
}
}
@ -95,18 +88,17 @@ void Voice::startNote(uint8_t key, double sampleRate) {
// violin and viola filter params
float fc = 88.4 * powf(2, 0.083334 * (key - 24));
c34 = 1 - exp(-6.283 * fc / sampleRate);
c33 = 1 - exp(-6.283 * fc /2 / sampleRate);
c33 = 1 - exp(-6.283 * fc / 2 / sampleRate);
// violin register
fc = 4000 * powf(2, 0.06 * (key - 24));
fc = 4000 + 65.8 * powf(2, 0.08 * (key - 24));
c78 = 1 - exp(-6.283 * fc / sampleRate);
c107 = 1 - exp(-6.283 * 154.0 / sampleRate);
// viola register
fc = 6000 * powf(2, 0.07 * (key - 24));
fc = 3000 + 65.8 * powf(2, 0.07 * (key - 24));
c22 = 1 - exp(-6.283 * fc / sampleRate);
c31 = 1 - exp(-6.283 * 54.0 / sampleRate);
c31 = 1 - exp(-6.283 * 150.0 / sampleRate);
gate = 1;
vcatc = 0.0001;

3
plugin/generator.hpp
View File

@ -45,9 +45,8 @@ class Voice {
class Generator {
public:
Generator(uint32_t bufferSize);
Generator(uint32_t bufferSize, float sampleRate);
~Generator();
void setupGenerator(double sampleRate);
void runBlock(uint8_t *noteTable, uint32_t frames);
Voice voices[NUM_VOICES];
float *output;

50
plugin/parameters.cpp
View File

@ -21,6 +21,20 @@
void Sonnenlicht::initParameter(uint32_t index, Parameter& parameter) {
// define all the different control input parameters
switch (index) {
case pContraBass:
parameter.hints = kParameterIsAutomatable | kParameterIsBoolean;
parameter.name = "Contrabass";
parameter.symbol = "s_contra";
parameter.ranges.def = 1;
break;
case pCello:
parameter.hints = kParameterIsAutomatable | kParameterIsBoolean;
parameter.name = "Cello";
parameter.symbol = "s_cello";
parameter.ranges.def = 0;
break;
case pViola:
parameter.hints = kParameterIsAutomatable | kParameterIsBoolean;
parameter.name = "Viola";
@ -35,6 +49,26 @@ void Sonnenlicht::initParameter(uint32_t index, Parameter& parameter) {
parameter.ranges.def = 1;
break;
case pTrumpet:
parameter.hints = kParameterIsAutomatable | kParameterIsBoolean;
parameter.name = "Trumpet";
parameter.symbol = "s_trumpet";
parameter.ranges.def = 0;
break;
case pHorn:
parameter.hints = kParameterIsAutomatable | kParameterIsBoolean;
parameter.name = "Horn";
parameter.symbol = "s_horn";
parameter.ranges.def = 0;
break;
case pChorale:
parameter.hints = kParameterIsAutomatable | kParameterIsBoolean;
parameter.name = "Chorale";
parameter.symbol = "s_chorale";
parameter.ranges.def = 1;
break;
case pBassVolume:
parameter.hints = kParameterIsAutomatable;
parameter.name = "Bass Volume";
@ -43,6 +77,22 @@ void Sonnenlicht::initParameter(uint32_t index, Parameter& parameter) {
parameter.ranges.max = 1.0f;
parameter.ranges.def = 0.7f;
break;
case pAttack:
parameter.hints = kParameterIsAutomatable;
parameter.name = "Attack";
parameter.symbol = "s_attack";
parameter.ranges.min = 0.0f;
parameter.ranges.max = 1.0f;
parameter.ranges.def = 0.7f;
break;
case pSustain:
parameter.hints = kParameterIsAutomatable;
parameter.name = "Sustain";
parameter.symbol = "s_sustain";
parameter.ranges.min = 0.0f;
parameter.ranges.max = 1.0f;
parameter.ranges.def = 0.7f;
break;
}
}

5
plugin/sonnenlicht.cpp
View File

@ -21,9 +21,8 @@
START_NAMESPACE_DISTRHO
Sonnenlicht::Sonnenlicht() : Plugin(kParameterCount, 0, 0), fSampleRate(getSampleRate()) {
genny = new Generator(getBufferSize());
genny->setupGenerator(fSampleRate);
genny = new Generator(getBufferSize(), fSampleRate);
assigner = new Assigner(genny->voices);
chorus = new Chorus(getBufferSize(), fSampleRate);

9
plugin/sonnenlicht.hpp
View File

@ -29,9 +29,16 @@ START_NAMESPACE_DISTRHO
class Sonnenlicht : public Plugin {
public:
enum Parameters {
pContraBass,
pCello,
pBassVolume,
pAttack,
pSustain,
pViola,
pViolin,
pBassVolume,
pTrumpet,
pHorn,
pChorale,
kParameterCount
};