commit 0d24f03ee4834de6c04365e44a5f61abeaea89a3
parent 276f6774b700ffe97c0a6257535a823266312947
Author: Matt Demanett <matt@demanett.net>
Date: Sat, 28 Mar 2020 22:47:37 -0400
EQS: stereo EQ.
Diffstat:
6 files changed, 284 insertions(+), 0 deletions(-)
diff --git a/plugin.json b/plugin.json
@@ -140,6 +140,15 @@
]
},
{
+ "slug": "Bogaudio-EQS",
+ "name": "EQS",
+ "description": "Stereo 3-channel equalizer",
+ "tags": [
+ "Equalizer",
+ "Polyphonic"
+ ]
+ },
+ {
"slug": "Bogaudio-DADSRH",
"name": "DADSR(H)",
"description": "Advanced envelope generator",
diff --git a/res-src/EQS-src.svg b/res-src/EQS-src.svg
@@ -0,0 +1,113 @@
+<svg
+ version="1.1"
+ xmlns="http://www.w3.org/2000/svg"
+ xmlns:xlink="http://www.w3.org/1999/xlink"
+ width="90"
+ height="380"
+ viewBox="0 0 90 380"
+>
+ <style>
+ text {
+ fill: #333;
+ font-family: 'Roboto', sans-serif;
+ font-weight: bold;
+ }
+ text.title {
+ font-family: 'Comfortaa', sans-serif;
+ font-weight: normal;
+ }
+ text.brand {
+ font-family: 'Audiowide', sans-serif;
+ font-weight: bold;
+ }
+ </style>
+
+ <defs>
+ <symbol id="knob38" viewBox="0 0 38px 38px">
+ <g transform="translate(19 19)">
+ <polyline points="-5,0 5,0" stroke-width="1" stroke="#00f" />
+ <polyline points="0,-5 0,5" stroke-width="1" stroke="#00f" />
+ <circle cx="0" cy="0" r="18.5" stroke-width="1" stroke="#00f" fill="none" />
+ </g>
+ </symbol>
+
+ <symbol id="knobguide-eq-38" viewBox="0 0 70px 70px">
+ <g transform="translate(35 35)">
+ <text font-size="6.0pt" transform="rotate(-240) translate(25 0) rotate(240) translate(-10 2.5)">-36</text>
+ <polyline points="0,0 3,0" stroke-width="0.3" stroke="#333" transform="rotate(-215) translate(21 0)" />
+ <text font-size="6.0pt" transform="rotate(-190) translate(25 0) rotate(190) translate(-10 2.5)">-24</text>
+ <polyline points="0,0 3,0" stroke-width="0.3" stroke="#333" transform="rotate(-165) translate(21 0)" />
+ <text font-size="6.0pt" transform="rotate(-140) translate(25 0) rotate(140) translate(-10 2.5)">-12</text>
+ <polyline points="0,0 3,0" stroke-width="0.3" stroke="#333" transform="rotate(-115) translate(21 0)" />
+ <text font-size="6.0pt" transform="rotate(-90) translate(25 0) rotate(90) translate(-2.3 2.5)">0</text>
+ <polyline points="0,0 3,0" stroke-width="0.3" stroke="#333" transform="rotate(-52.5) translate(21 0)" />
+ <text font-size="6.0pt" transform="rotate(-15) translate(25 0) rotate(15) translate(-3 2.5)">6</text>
+ <polyline points="0,0 3,0" stroke-width="0.3" stroke="#333" transform="rotate(22.5) translate(21 0)" />
+ <text font-size="6.0pt" transform="rotate(60) translate(25 0) rotate(-60) translate(-2.3 2.5)">12</text>
+ <text font-size="6.0pt" transform="rotate(90) translate(29 0) rotate(-90) translate(-4.7 2.2)">dB</text>
+ </g>
+ </symbol>
+
+ <symbol id="input" viewBox="0 0 24px 24px">
+ <g transform="translate(12 12)">
+ <circle cx="0" cy="0" r="5" stroke-width="1" stroke="#0f0" fill="#0f0" />
+ <circle cx="0" cy="0" r="10.5" stroke-width="3" stroke="#0f0" fill="none" />
+ </g>
+ </symbol>
+
+ <symbol id="output" viewBox="0 0 24px 24px">
+ <g transform="translate(12 12)">
+ <circle cx="0" cy="0" r="5" stroke-width="1" stroke="#f00" fill="#f00" />
+ <circle cx="0" cy="0" r="10.5" stroke-width="3" stroke="#f00" fill="none" />
+ </g>
+ </symbol>
+ </defs>
+
+ <rect width="100%" height="100%" fill="#ddd" />
+ <polyline points="1,1 89,1 89,379 1,379 1,1" stroke="#e4e4e4" stroke-width="0.5" fill="none" />
+ <polyline points="0.5,0.5 89.5,0.5 89.5,379.5 0.5,379.5 0.5,0.5" stroke="#ebebeb" stroke-width="0.8" fill="none" />
+ <polyline points="0,0 90,0 90,380 0,380 0,0" stroke="#f2f2f2" stroke-width="1" fill="none" />
+
+ <text class="title" x="50" y="17" font-size="9pt" letter-spacing="3px">EQS</text>
+ <g transform="translate(5.5 374)">
+ <text class="brand" font-size="6.5pt" letter-spacing="2px">BOGAUDIO</text>
+ <rect width="1.5" height="2" fill="#ddd" transform="translate(21 -4)" />
+ </g>
+
+ <g transform="translate(0 40)">
+ <text font-size="8pt" letter-spacing="2px" transform="translate(32 0)">LOW</text>
+ <use id="LOW_PARAM" xlink:href="#knob38" transform="translate(26 13)" />
+ <use xlink:href="#knobguide-eq-38" transform="translate(10 -3)" />
+ </g>
+
+ <g transform="translate(0 122)">
+ <text font-size="8pt" letter-spacing="2px" transform="translate(33 0)">MID</text>
+ <use id="MID_PARAM" xlink:href="#knob38" transform="translate(26 13)" />
+ <use xlink:href="#knobguide-eq-38" transform="translate(10 -3)" />
+ </g>
+
+ <g transform="translate(0 204)">
+ <text font-size="8pt" letter-spacing="2px" transform="translate(29 0)">HIGH</text>
+ <use id="HIGH_PARAM" xlink:href="#knob38" transform="translate(26 13)" />
+ <use xlink:href="#knobguide-eq-38" transform="translate(10 -3)" />
+ </g>
+
+ <g transform="translate(11 275)">
+ <g transform="translate(0 0)">
+ <rect width="68" height="10" fill="#fafafa" transform="translate(0 31)" />
+ <rect width="68" height="38" rx="5" fill="#fafafa" />
+ <use id="LEFT_INPUT" xlink:href="#input" transform="translate(5 4)" />
+ <text font-size="5pt" letter-spacing="2px" transform="translate(15.5 36)">L</text>
+ <use id="RIGHT_INPUT" xlink:href="#input" transform="translate(39 4)" />
+ <text font-size="5pt" letter-spacing="2px" transform="translate(49 36)">R</text>
+ </g>
+ <g transform="translate(0 44)">
+ <rect width="68" height="10" fill="#bbb" transform="translate(0 -3)" />
+ <rect width="68" height="37" rx="5" fill="#bbb" />
+ <use id="LEFT_OUTPUT" xlink:href="#output" transform="translate(5 1)" />
+ <text font-size="5pt" letter-spacing="2px" transform="translate(15.5 33)">L</text>
+ <use id="RIGHT_OUTPUT" xlink:href="#output" transform="translate(39 1)" />
+ <text font-size="5pt" letter-spacing="2px" transform="translate(49 33)">R</text>
+ </g>
+ </g>
+</svg>
diff --git a/res/EQS.svg b/res/EQS.svg
Binary files differ.
diff --git a/src/EQS.cpp b/src/EQS.cpp
@@ -0,0 +1,102 @@
+
+#include "EQS.hpp"
+
+bool EQS::active() {
+ return outputs[LEFT_OUTPUT].isConnected() || outputs[RIGHT_OUTPUT].isConnected();
+}
+
+int EQS::channels() {
+ return inputs[LEFT_INPUT].getChannels();
+}
+
+void EQS::addChannel(int c) {
+ _engines[c] = new Engine();
+}
+
+void EQS::removeChannel(int c) {
+ delete _engines[c];
+ _engines[c] = NULL;
+}
+
+float EQS::knobToDb(Param& p) {
+ float v = clamp(p.getValue(), -1.0f, 1.0f);
+ if (v < 0.0f) {
+ return -v * bogaudio::dsp::Equalizer::cutDb;
+ }
+ return v * bogaudio::dsp::Equalizer::gainDb;
+}
+
+void EQS::modulate() {
+ _lowDb = knobToDb(params[LOW_PARAM]);
+ _midDb = knobToDb(params[MID_PARAM]);
+ _highDb = knobToDb(params[HIGH_PARAM]);
+}
+
+void EQS::modulateChannel(int c) {
+ float sr = APP->engine->getSampleRate();
+ _engines[c]->_left.setParams(
+ sr,
+ _lowDb,
+ _midDb,
+ _highDb
+ );
+ _engines[c]->_right.setParams(
+ sr,
+ _lowDb,
+ _midDb,
+ _highDb
+ );
+}
+
+void EQS::processAll(const ProcessArgs& args) {
+ outputs[LEFT_OUTPUT].setChannels(_channels);
+ outputs[RIGHT_OUTPUT].setChannels(_channels);
+}
+
+void EQS::processChannel(const ProcessArgs& args, int c) {
+ outputs[LEFT_OUTPUT].setVoltage(_engines[c]->_left.next(inputs[LEFT_INPUT].getVoltage(c)), c);
+ outputs[RIGHT_OUTPUT].setVoltage(_engines[c]->_right.next(inputs[RIGHT_INPUT].getVoltage(c)), c);
+}
+
+struct EQSWidget : ModuleWidget {
+ static constexpr int hp = 6;
+
+ EQSWidget(EQS* module) {
+ setModule(module);
+ box.size = Vec(RACK_GRID_WIDTH * hp, RACK_GRID_HEIGHT);
+
+ {
+ SvgPanel *panel = new SvgPanel();
+ panel->box.size = box.size;
+ panel->setBackground(APP->window->loadSvg(asset::plugin(pluginInstance, "res/EQS.svg")));
+ addChild(panel);
+ }
+
+ addChild(createWidget<ScrewSilver>(Vec(0, 0)));
+ addChild(createWidget<ScrewSilver>(Vec(box.size.x - 15, 365)));
+
+ // generated by svg_widgets.rb
+ auto lowParamPosition = Vec(26.0, 53.0);
+ auto midParamPosition = Vec(26.0, 135.0);
+ auto highParamPosition = Vec(26.0, 217.0);
+
+ auto leftInputPosition = Vec(16.0, 279.0);
+ auto rightInputPosition = Vec(50.0, 279.0);
+
+ auto leftOutputPosition = Vec(16.0, 320.0);
+ auto rightOutputPosition = Vec(50.0, 320.0);
+ // end generated by svg_widgets.rb
+
+ addParam(createParam<Knob38>(lowParamPosition, module, EQS::LOW_PARAM));
+ addParam(createParam<Knob38>(midParamPosition, module, EQS::MID_PARAM));
+ addParam(createParam<Knob38>(highParamPosition, module, EQS::HIGH_PARAM));
+
+ addInput(createInput<Port24>(leftInputPosition, module, EQS::LEFT_INPUT));
+ addInput(createInput<Port24>(rightInputPosition, module, EQS::RIGHT_INPUT));
+
+ addOutput(createOutput<Port24>(leftOutputPosition, module, EQS::LEFT_OUTPUT));
+ addOutput(createOutput<Port24>(rightOutputPosition, module, EQS::RIGHT_OUTPUT));
+ }
+};
+
+Model* modelEQS = createModel<EQS, EQSWidget>("Bogaudio-EQS", "EQS", "Stereo 3-channel equalizer", "Equalizer", "Polyphonic");
diff --git a/src/EQS.hpp b/src/EQS.hpp
@@ -0,0 +1,58 @@
+#pragma once
+
+#include "bogaudio.hpp"
+#include "filter.hpp"
+
+extern Model* modelEQS;
+
+namespace bogaudio {
+
+struct EQS : BGModule {
+ enum ParamsIds {
+ LOW_PARAM,
+ MID_PARAM,
+ HIGH_PARAM,
+ NUM_PARAMS
+ };
+
+ enum InputsIds {
+ LEFT_INPUT,
+ RIGHT_INPUT,
+ NUM_INPUTS
+ };
+
+ enum OutputsIds {
+ LEFT_OUTPUT,
+ RIGHT_OUTPUT,
+ NUM_OUTPUTS
+ };
+
+ struct Engine {
+ bogaudio::dsp::Equalizer _left;
+ bogaudio::dsp::Equalizer _right;
+ };
+
+ float _lowDb = 0.0f;
+ float _midDb = 0.0f;
+ float _highDb = 0.0f;
+ Engine* _engines[maxChannels] {};
+
+ EQS() {
+ config(NUM_PARAMS, NUM_INPUTS, NUM_OUTPUTS);
+ configParam<EQParamQuantity>(LOW_PARAM, -1.0f, 1.0f, 0.0f, "Low", " dB");
+ configParam<EQParamQuantity>(MID_PARAM, -1.0f, 1.0f, 0.0f, "Mid", " dB");
+ configParam<EQParamQuantity>(HIGH_PARAM, -1.0f, 1.0f, 0.0f, "High", " dB");
+ }
+
+ bool active() override;
+ int channels() override;
+ void addChannel(int c) override;
+ void removeChannel(int c) override;
+ float knobToDb(Param& p);
+ void modulate() override;
+ void modulateChannel(int c) override;
+ void processAll(const ProcessArgs& args) override;
+ void processChannel(const ProcessArgs& args, int c) override;
+};
+
+} // namespace bogaudio
diff --git a/src/bogaudio.cpp b/src/bogaudio.cpp
@@ -25,6 +25,7 @@
#include "EightFO.hpp"
#include "EightOne.hpp"
#include "EQ.hpp"
+#include "EQS.hpp"
#include "FFB.hpp"
#include "FMOp.hpp"
#include "FlipFlop.hpp"
@@ -108,6 +109,7 @@ void init(rack::Plugin *p) {
p->addModel(modelLVCF);
p->addModel(modelFFB);
p->addModel(modelEQ);
+ p->addModel(modelEQS);
p->addModel(modelDADSRH);
p->addModel(modelDADSRHPlus);
