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Befaco
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Added Kickall prototype (lots to fix!)

tags/v1.1.0^2
hemmer 4 years ago
parent
ecb4165abb
commit
def1172533
8 changed files with 2028 additions and 3 deletions
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  1. +6
    -0
      plugin.json
  2. +85
    -0
      res/BefacoTinyKnobGrey.svg
  3. +105
    -0
      res/Davies1900hLargeGrey.svg
  4. +1623
    -0
      res/Kickall.svg
  5. +20
    -3
      src/Common.hpp
  6. +187
    -0
      src/Kickall.cpp
  7. +1
    -0
      src/plugin.cpp
  8. +1
    -0
      src/plugin.hpp

+ 6
- 0
plugin.json View File

@@ -116,6 +116,12 @@
"name": "ChoppingKinky",
"description": "",
"tags": []
},
{
"slug": "Kickall",
"name": "Kickall",
"description": "",
"tags": []
}
]
}

+ 85
- 0
res/BefacoTinyKnobGrey.svg View File

@@ -0,0 +1,85 @@
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</svg>

+ 105
- 0
res/Davies1900hLargeGrey.svg View File

@@ -0,0 +1,105 @@
<?xml version="1.0" encoding="UTF-8" standalone="no"?>
<svg
xmlns:dc="http://purl.org/dc/elements/1.1/"
xmlns:cc="http://creativecommons.org/ns#"
xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
xmlns:svg="http://www.w3.org/2000/svg"
xmlns="http://www.w3.org/2000/svg"
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id="clipPath6367">
<path
d="M 0,3193 H 2089 V 0 H 0 Z"
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<dc:title />
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+ 1623
- 0
res/Kickall.svg
File diff suppressed because it is too large
View File


+ 20
- 3
src/Common.hpp View File

@@ -19,14 +19,28 @@ struct BefacoTinyKnobWhite : app::SvgKnob {
}
};

struct BefacoTinyKnobGrey : app::SvgKnob {
BefacoTinyKnobGrey() {
minAngle = -0.8 * M_PI;
maxAngle = 0.8 * M_PI;
setSvg(APP->window->loadSvg(asset::plugin(pluginInstance, "res/BefacoTinyKnobGrey.svg")));
}
};

struct Davies1900hLargeGreyKnob : Davies1900hKnob {
Davies1900hLargeGreyKnob() {
setSvg(APP->window->loadSvg(asset::plugin(pluginInstance, "res/Davies1900hLargeGrey.svg")));
}
};

struct BefacoOutputPort : app::SvgPort {
BefacoOutputPort() {
BefacoOutputPort() {
setSvg(APP->window->loadSvg(asset::plugin(pluginInstance, "res/BefacoOutputPort.svg")));
}
};

struct BefacoInputPort : app::SvgPort {
BefacoInputPort() {
BefacoInputPort() {
setSvg(APP->window->loadSvg(asset::plugin(pluginInstance, "res/BefacoInputPort.svg")));
}
};
@@ -36,7 +50,7 @@ struct BefacoInputPort : app::SvgPort {
The template parameter N should be 1/2 the desired filter order.

Currently uses an 2*N-th order Butterworth filter.
@TODO: implement Chebyshev, Elliptic filter options.
source: https://github.com/jatinchowdhury18/ChowDSP-VCV/blob/master/src/shared/AAFilter.hpp
*/
template<int N>
class AAFilter {
@@ -86,6 +100,7 @@ private:

/**
* Base class for oversampling of any order
* source: https://github.com/jatinchowdhury18/ChowDSP-VCV/blob/master/src/shared/oversampling.hpp
*/
class BaseOversampling {
public:
@@ -170,6 +185,8 @@ private:
osBuffer[k] = processSample(osBuffer[k]);
float y = oversample.downsample();
@endcode

source (modified): https://github.com/jatinchowdhury18/ChowDSP-VCV/blob/master/src/shared/VariableOversampling.hpp
*/
template<int filtN = 4>
class VariableOversampling {


+ 187
- 0
src/Kickall.cpp View File

@@ -0,0 +1,187 @@
#include "plugin.hpp"
#include "Common.hpp"
struct ADEnvelope {
enum Stage {
STAGE_OFF,
STAGE_ATTACK,
STAGE_DECAY
};
Stage stage = STAGE_OFF;
float env = 0.f;
float attackTime = 0.1, decayTime = 0.1;
ADEnvelope() { };
void process(const float& sampleTime) {
if (stage == STAGE_OFF) {
env = 0.0f;
}
else if (stage == STAGE_ATTACK) {
env += sampleTime / attackTime;
}
else if (stage == STAGE_DECAY) {
env -= sampleTime / decayTime;
}
if (env >= 1.0f) {
stage = STAGE_DECAY;
env = 1.0f;
}
else if (env <= 0.0f) {
stage = STAGE_OFF;
env = 0.0f;
}
}
};
struct Kickall : Module {
enum ParamIds {
TUNE_PARAM,
TRIGG_BUTTON_PARAM,
SHAPE_PARAM,
DECAY_PARAM,
TIME_PARAM,
BEND_PARAM,
NUM_PARAMS
};
enum InputIds {
TRIGG_INPUT,
VOLUME_INPUT,
TUNE_INPUT,
SHAPE_INPUT,
DECAY_INPUT,
NUM_INPUTS
};
enum OutputIds {
OUT_OUTPUT,
NUM_OUTPUTS
};
enum LightIds {
ENV_LIGHT,
NUM_LIGHTS
};
Kickall() {
config(NUM_PARAMS, NUM_INPUTS, NUM_OUTPUTS, NUM_LIGHTS);
// TODO: review this mapping, using displayBase multiplier seems more normal
configParam(TUNE_PARAM, FREQ_A0, FREQ_B2, 0.5 * (FREQ_A0 + FREQ_B2), "Tune", "Hz");
configParam(TRIGG_BUTTON_PARAM, 0.f, 1.f, 0.f, "Manual trigger");
configParam(SHAPE_PARAM, 0.f, 1.f, 0.f, "");
configParam(DECAY_PARAM, 0.01f, 1.f, 0.01f, "VCA Envelope decay time");
configParam(TIME_PARAM, 0.0079f, 0.076f, 0.0079f, "Pitch envelope decay time", "ms", 0.0f, 1000.f);
configParam(BEND_PARAM, 0.f, 1.f, 0.f, "Pitch envelope attenuator");
volume.attackTime = 0.00165;
pitch.attackTime = 0.00165;
// calculate up/downsampling rates
onSampleRateChange();
}
void onSampleRateChange() override {
// SampleRateConverter needs integer value
int sampleRate = APP->engine->getSampleRate();
oversampler.reset(sampleRate);
}
float bendRange = 600;
float phase = 0.f;
ADEnvelope volume;
ADEnvelope pitch;
dsp::SchmittTrigger trigger;
static constexpr float FREQ_A0 = 27.5f;
static constexpr float FREQ_B2 = 123.471f;
static const int UPSAMPLE = 4;
Oversampling<UPSAMPLE> oversampler;
float shaperBuf[UPSAMPLE];
void process(const ProcessArgs& args) override {
// TODO: check values
if (trigger.process(inputs[TRIGG_INPUT].getVoltage() / 2.0f + params[TRIGG_BUTTON_PARAM].getValue() * 10.0)) {
volume.stage = ADEnvelope::STAGE_ATTACK;
pitch.stage = ADEnvelope::STAGE_ATTACK;
}
float vcaGain = clamp(inputs[VOLUME_INPUT].getNormalVoltage(10.f) / 10.f, 0.f, 1.0f);
// pitch envelope
float bend = params[BEND_PARAM].getValue();
pitch.decayTime = params[TIME_PARAM].getValue();
pitch.process(args.sampleTime);
// volume envelope TODO: wire in decay CV
volume.decayTime = params[DECAY_PARAM].getValue();
volume.process(args.sampleTime);
float freq = params[TUNE_PARAM].getValue();
freq *= std::pow(2, inputs[TUNE_INPUT].getVoltage());
//float kickFrequency = std::max(50.0f, params[TUNE_PARAM].getValue() + bendRange * bend * pitch.env);
float kickFrequency = std::max(50.0f, freq + bendRange * bend * pitch.env);
phase += args.sampleTime * kickFrequency;
if (phase > 1.0f) {
phase -= 1.0f;
}
// TODO: faster approximation
float wave = std::sin(2.0 * M_PI * phase);
oversampler.upsample(wave);
float* inputBuf = oversampler.getOSBuffer();
float shape = clamp(inputs[SHAPE_INPUT].getVoltage() / 2.f + params[SHAPE_PARAM].getValue() * 5.0f, 0.0f, 10.0f);
shape = clamp(shape, 0.f, 5.0f) * 0.2f;
shape *= 0.99f;
const float shapeB = (1.0f - shape) / (1.0f + shape);
const float shapeA = (4.0f * shape) / ((1.0f - shape) * (1.0f + shape));
for (int i = 0; i < UPSAMPLE; ++i) {
inputBuf[i] = inputBuf[i] * (shapeA + shapeB) / ((std::abs(inputBuf[i]) * shapeA) + shapeB);
}
float out = volume.env * oversampler.downsample() * 5.0f * vcaGain;
outputs[OUT_OUTPUT].setVoltage(out);
lights[ENV_LIGHT].setBrightness(volume.stage);
}
};
struct KickallWidget : ModuleWidget {
KickallWidget(Kickall* module) {
setModule(module);
setPanel(APP->window->loadSvg(asset::plugin(pluginInstance, "res/Kickall.svg")));
addChild(createWidget<Knurlie>(Vec(RACK_GRID_WIDTH, 0)));
addChild(createWidget<Knurlie>(Vec(RACK_GRID_WIDTH, RACK_GRID_HEIGHT - RACK_GRID_WIDTH)));
addParam(createParamCentered<BefacoTinyKnobGrey>(mm2px(Vec(8.76, 29.068)), module, Kickall::TUNE_PARAM));
addParam(createParamCentered<BefacoPush>(mm2px(Vec(22.651, 29.068)), module, Kickall::TRIGG_BUTTON_PARAM));
addParam(createParamCentered<Davies1900hLargeGreyKnob>(mm2px(Vec(15.781, 49.278)), module, Kickall::SHAPE_PARAM));
addParam(createParam<BefacoSlidePot>(mm2px(Vec(19.913, 64.004)), module, Kickall::DECAY_PARAM));
addParam(createParamCentered<BefacoTinyKnobWhite>(mm2px(Vec(8.977, 71.626)), module, Kickall::TIME_PARAM));
addParam(createParamCentered<BefacoTinyKnobWhite>(mm2px(Vec(8.977, 93.549)), module, Kickall::BEND_PARAM));
addInput(createInputCentered<BefacoInputPort>(mm2px(Vec(5.715, 14.651)), module, Kickall::TRIGG_INPUT));
addInput(createInputCentered<BefacoInputPort>(mm2px(Vec(15.748, 14.651)), module, Kickall::VOLUME_INPUT));
addInput(createInputCentered<BefacoInputPort>(mm2px(Vec(5.697, 113.286)), module, Kickall::TUNE_INPUT));
addInput(createInputCentered<BefacoInputPort>(mm2px(Vec(15.794, 113.286)), module, Kickall::SHAPE_INPUT));
addInput(createInputCentered<BefacoInputPort>(mm2px(Vec(25.891, 113.286)), module, Kickall::DECAY_INPUT));
addOutput(createOutputCentered<BefacoOutputPort>(mm2px(Vec(25.781, 14.651)), module, Kickall::OUT_OUTPUT));
addChild(createLightCentered<SmallLight<RedLight>>(mm2px(Vec(15.723, 34.971)), module, Kickall::ENV_LIGHT));
}
};
Model* modelKickall = createModel<Kickall, KickallWidget>("Kickall");

+ 1
- 0
src/plugin.cpp View File

@@ -16,4 +16,5 @@ void init(rack::Plugin *p) {
p->addModel(modelPercall);
p->addModel(modelHexmixVCA);
p->addModel(modelChoppingKinky);
p->addModel(modelKickall);
}

+ 1
- 0
src/plugin.hpp View File

@@ -16,6 +16,7 @@ extern Model *modelDualAtenuverter;
extern Model *modelPercall;
extern Model *modelHexmixVCA;
extern Model *modelChoppingKinky;
extern Model *modelKickall;

struct Knurlie : SvgScrew {
Knurlie() {


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