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Cardinal
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Rework plugin audio processing, use simple builtin module for it

tags/22.02
falkTX 3 years ago
parent
30134b4b22
commit
caf5ca5df6
14 changed files with 577 additions and 317 deletions
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  1. +103
    -0
      plugins/Cardinal/orig/HostAudio.svg
  2. +19
    -3
      plugins/Cardinal/plugin.json
  3. +133
    -0
      plugins/Cardinal/res/HostAudio.svg
  4. +197
    -0
      plugins/Cardinal/src/HostAudio.cpp
  5. +36
    -40
      plugins/Cardinal/src/HostCV.cpp
  6. +14
    -2
      plugins/Cardinal/src/HostParameters.cpp
  7. +3
    -1
      plugins/Cardinal/src/plugin.hpp
  8. +10
    -4
      plugins/Cardinal/src/plugincontext.hpp
  9. +1
    -0
      plugins/Makefile
  10. +3
    -1
      plugins/plugins.cpp
  11. +36
    -106
      src/CardinalPlugin.cpp
  12. +19
    -10
      src/PluginContext.hpp
  13. +1
    -140
      src/PluginDriver.hpp
  14. +2
    -10
      src/template.vcv

+ 103
- 0
plugins/Cardinal/orig/HostAudio.svg View File

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+ 19
- 3
plugins/Cardinal/plugin.json View File

@@ -13,13 +13,29 @@
"changelogUrl": "",
"modules":
[
{
"slug": "HostAudio2",
"name": "Audio 2",
"description": "Exposes host-provided audio ports in a module",
"tags": [
"External"
]
},
{
"slug": "HostAudio8",
"name": "Audio 8",
"description": "Exposes host-provided audio ports in a module",
"tags": [
"External"
]
},
{
"slug": "HostCV",
"disabled": false,
"name": "Host CV",
"description": "Exposes host-provided CV ports in a module",
"tags": [
"Utility"
"External"
]
},
{
@@ -28,7 +44,7 @@
"name": "Host Parameters",
"description": "Exposes host-controlled plugin parameters in a module",
"tags": [
"Utility"
"External"
]
},
{
@@ -37,7 +53,7 @@
"name": "Host Time",
"description": "Exposes host-provided time/transport information in a module",
"tags": [
"Utility"
"External"
]
},
{


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+ 197
- 0
plugins/Cardinal/src/HostAudio.cpp View File

@@ -0,0 +1,197 @@
/*
* DISTRHO Cardinal Plugin
* Copyright (C) 2021-2022 Filipe Coelho <falktx@falktx.com>
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 3 of
* the License, or any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* For a full copy of the GNU General Public License see the LICENSE file.
*/

#include "plugincontext.hpp"

// -----------------------------------------------------------------------------------------------------------

USE_NAMESPACE_DISTRHO;

template<int numIO>
struct HostAudio : Module {
CardinalPluginContext* const pcontext;
const int numParams;
const int numInputs;
const int numOutputs;
int dataFrame = 0;
int64_t lastBlockFrame = -1;

// for rack core audio module compatibility
dsp::RCFilter dcFilters[numIO];
bool dcFilterEnabled = (numIO == 2);

HostAudio()
: pcontext(static_cast<CardinalPluginContext*>(APP)),
numParams(numIO == 2 ? 1 : 0),
numInputs(pcontext->variant == kCardinalVariantSynth ? 0 : std::max(pcontext->variant != kCardinalVariantMain ? 2 : 8, numIO)),
numOutputs(std::max(pcontext->variant != kCardinalVariantMain ? 2 : 8, numIO))
{
if (pcontext == nullptr)
throw rack::Exception("Plugin context is null");

config(numParams, numIO, numIO, 0);

if (numParams != 0)
configParam(0, 0.f, 2.f, 1.f, "Level", " dB", -10, 40);

const float sampleTime = pcontext->engine->getSampleTime();
for (int i = 0; i < numIO; i++) {
dcFilters[i].setCutoffFreq(10.f * sampleTime);
}
}

void onReset() override
{
dcFilterEnabled = (numIO == 2);
}

void onSampleRateChange(const SampleRateChangeEvent& e) override
{
for (int i = 0; i < numIO; i++)
dcFilters[i].setCutoffFreq(10.f * e.sampleTime);
}

void process(const ProcessArgs&) override
{
const float* const* const dataIns = pcontext->dataIns;
float** const dataOuts = pcontext->dataOuts;

const int64_t blockFrame = pcontext->engine->getBlockFrame();

if (lastBlockFrame != blockFrame)
{
dataFrame = 0;
lastBlockFrame = blockFrame;
}

const int k = dataFrame++;
DISTRHO_SAFE_ASSERT_RETURN(k < pcontext->engine->getBlockFrames(),);

const float gain = numParams != 0 ? std::pow(params[0].getValue(), 2.f) : 1.0f;

// from host into cardinal, shows as output plug
for (int i=0; i<numInputs; ++i)
outputs[i].setVoltage(dataIns[i][k] * 10.0f);

// from cardinal into host, shows as input plug
for (int i=0; i<numOutputs; ++i)
{
float v = inputs[i].getVoltageSum() * 0.1f;

// Apply DC filter
if (dcFilterEnabled)
{
dcFilters[i].process(v);
v = dcFilters[i].highpass();
}

dataOuts[i][k] += clamp(v * gain, -1.0f, 1.0f);
}
}

json_t* dataToJson() override
{
json_t* const rootJ = json_object();
DISTRHO_SAFE_ASSERT_RETURN(rootJ != nullptr, nullptr);

json_object_set_new(rootJ, "dcFilter", json_boolean(dcFilterEnabled));
return rootJ;
}

void dataFromJson(json_t* const rootJ) override
{
json_t* const dcFilterJ = json_object_get(rootJ, "dcFilter");
DISTRHO_SAFE_ASSERT_RETURN(dcFilterJ != nullptr,);

dcFilterEnabled = json_boolean_value(dcFilterJ);
}
};

template<int numIO>
struct HostAudioWidget : ModuleWidget {
static constexpr const float startX_In = 14.0f;
static constexpr const float startX_Out = 96.0f;
static constexpr const float startY = 74.0f;
static constexpr const float padding = 29.0f;
static constexpr const float middleX = startX_In + (startX_Out - startX_In) * 0.5f + padding * 0.25f;

HostAudio<numIO>* const module;

HostAudioWidget(HostAudio<numIO>* const m)
: module(m)
{
setModule(m);
setPanel(APP->window->loadSvg(asset::plugin(pluginInstance, "res/HostAudio.svg")));

addChild(createWidget<ScrewBlack>(Vec(RACK_GRID_WIDTH, 0)));
addChild(createWidget<ScrewBlack>(Vec(box.size.x - 2 * RACK_GRID_WIDTH, 0)));
addChild(createWidget<ScrewBlack>(Vec(RACK_GRID_WIDTH, RACK_GRID_HEIGHT - RACK_GRID_WIDTH)));
addChild(createWidget<ScrewBlack>(Vec(box.size.x - 2 * RACK_GRID_WIDTH, RACK_GRID_HEIGHT - RACK_GRID_WIDTH)));

for (uint i=0; i<numIO; ++i)
addInput(createInput<PJ301MPort>(Vec(startX_In, startY + padding * i), m, i));

for (uint i=0; i<numIO; ++i)
addOutput(createOutput<PJ301MPort>(Vec(startX_Out, startY + padding * i), m, i));
}

void drawTextLine(NVGcontext* const vg, const uint offset, const char* const text)
{
const float y = startY + offset * padding;
nvgBeginPath(vg);
nvgFillColor(vg, color::WHITE);
nvgText(vg, middleX, y + 16, text, nullptr);
}

void draw(const DrawArgs& args) override
{
nvgBeginPath(args.vg);
nvgRect(args.vg, 0, 0, box.size.x, box.size.y);
nvgFillPaint(args.vg, nvgLinearGradient(args.vg, 0, 0, 0, box.size.y,
nvgRGB(0x18, 0x19, 0x19), nvgRGB(0x21, 0x22, 0x22)));
nvgFill(args.vg);

nvgFontFaceId(args.vg, 0);
nvgFontSize(args.vg, 11);
nvgTextAlign(args.vg, NVG_ALIGN_CENTER);

nvgBeginPath(args.vg);
nvgRoundedRect(args.vg, startX_Out - 4.0f, startY - 2.0f, padding, padding * numIO, 4);
nvgFillColor(args.vg, nvgRGB(0xd0, 0xd0, 0xd0));
nvgFill(args.vg);

for (int i=0; i<numIO; ++i)
{
char text[] = {'A','u','d','i','o',' ',static_cast<char>('0'+i+1),'\0'};
drawTextLine(args.vg, i, text);
}

ModuleWidget::draw(args);
}

void appendContextMenu(Menu* const menu) override {
menu->addChild(new MenuSeparator);
menu->addChild(createBoolPtrMenuItem("DC blocker", "", &module->dcFilterEnabled));
}
};

// --------------------------------------------------------------------------------------------------------------------

Model* modelHostAudio2 = createModel<HostAudio<2>, HostAudioWidget<2>>("HostAudio2");
Model* modelHostAudio8 = createModel<HostAudio<8>, HostAudioWidget<8>>("HostAudio8");

// --------------------------------------------------------------------------------------------------------------------

+ 36
- 40
plugins/Cardinal/src/HostCV.cpp View File

@@ -1,6 +1,6 @@
/*
* DISTRHO Cardinal Plugin
* Copyright (C) 2021 Filipe Coelho <falktx@falktx.com>
* Copyright (C) 2021-2022 Filipe Coelho <falktx@falktx.com>
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
@@ -24,6 +24,10 @@
USE_NAMESPACE_DISTRHO;

struct HostCV : Module {
CardinalPluginContext* const pcontext;
int dataFrame = 0;
int64_t lastBlockFrame = -1;

enum ParamIds {
BIPOLAR_INPUTS_1_5,
BIPOLAR_INPUTS_6_10,
@@ -42,62 +46,54 @@ struct HostCV : Module {
};

HostCV()
: pcontext(static_cast<CardinalPluginContext*>(APP))
{
if (pcontext == nullptr)
throw rack::Exception("Plugin context is null");

config(NUM_PARAMS, NUM_INPUTS, NUM_OUTPUTS, NUM_LIGHTS);
configParam<SwitchQuantity>(BIPOLAR_INPUTS_1_5, 0.f, 1.f, 0.f, "Bipolar Inputs 1-5")->randomizeEnabled = false;
configParam<SwitchQuantity>(BIPOLAR_INPUTS_6_10, 0.f, 1.f, 0.f, "Bipolar Inputs 6-10")->randomizeEnabled = false;
configParam<SwitchQuantity>(BIPOLAR_OUTPUTS_1_5, 0.f, 1.f, 0.f, "Bipolar Outputs 1-5")->randomizeEnabled = false;
configParam<SwitchQuantity>(BIPOLAR_OUTPUTS_6_10, 0.f, 1.f, 0.f, "Bipolar Outputs 6-10")->randomizeEnabled = false;

CardinalPluginContext* const pcontext = static_cast<CardinalPluginContext*>(APP);

if (pcontext == nullptr)
throw rack::Exception("Plugin context is null.");

if (pcontext->loadedHostCV)
throw rack::Exception("Another instance of a Host CV module is already loaded, only one can be used at a time.");

pcontext->loadedHostCV = true;
}

~HostCV() override
void process(const ProcessArgs&) override
{
CardinalPluginContext* const pcontext = static_cast<CardinalPluginContext*>(APP);
DISTRHO_SAFE_ASSERT_RETURN(pcontext != nullptr,);
if (pcontext->variant != kCardinalVariantMain)
return;

pcontext->loadedHostCV = false;
}
const float* const* const dataIns = pcontext->dataIns;
float** const dataOuts = pcontext->dataOuts;

void process(const ProcessArgs&) override
{
if (CardinalPluginContext* const pcontext = static_cast<CardinalPluginContext*>(APP))
{
const float** dataIns = pcontext->dataIns;
float** dataOuts = pcontext->dataOuts;
const int64_t blockFrame = pcontext->engine->getBlockFrame();

if (dataIns == nullptr || dataOuts == nullptr)
return;
if (lastBlockFrame != blockFrame)
{
dataFrame = 0;
lastBlockFrame = blockFrame;
}

const uint32_t dataFrame = pcontext->dataFrame++;
float inputOffset, outputOffset;
const int k = dataFrame++;
DISTRHO_SAFE_ASSERT_RETURN(k < pcontext->engine->getBlockFrames(),);

inputOffset = params[BIPOLAR_INPUTS_1_5].getValue() > 0.1f ? 5.0f : 0.0f;
outputOffset = params[BIPOLAR_OUTPUTS_1_5].getValue() > 0.1f ? 5.0f : 0.0f;
float inputOffset, outputOffset;
inputOffset = params[BIPOLAR_INPUTS_1_5].getValue() > 0.1f ? 5.0f : 0.0f;
outputOffset = params[BIPOLAR_OUTPUTS_1_5].getValue() > 0.1f ? 5.0f : 0.0f;

for (int i=0; i<5; ++i)
{
outputs[i].setVoltage(dataIns[i+CARDINAL_AUDIO_IO_OFFSET][dataFrame] - outputOffset);
dataOuts[i+CARDINAL_AUDIO_IO_OFFSET][dataFrame] = inputs[i].getVoltage() + inputOffset;
}
for (int i=0; i<5; ++i)
{
outputs[i].setVoltage(dataIns[i+CARDINAL_AUDIO_IO_OFFSET][k] - outputOffset);
dataOuts[i+CARDINAL_AUDIO_IO_OFFSET][k] = inputs[i].getVoltage() + inputOffset;
}

inputOffset = params[BIPOLAR_INPUTS_6_10].getValue() > 0.1f ? 5.0f : 0.0f;
outputOffset = params[BIPOLAR_OUTPUTS_6_10].getValue() > 0.1f ? 5.0f : 0.0f;
inputOffset = params[BIPOLAR_INPUTS_6_10].getValue() > 0.1f ? 5.0f : 0.0f;
outputOffset = params[BIPOLAR_OUTPUTS_6_10].getValue() > 0.1f ? 5.0f : 0.0f;

for (int i=5; i<10; ++i)
{
outputs[i].setVoltage(dataIns[i+CARDINAL_AUDIO_IO_OFFSET][dataFrame] - outputOffset);
dataOuts[i+CARDINAL_AUDIO_IO_OFFSET][dataFrame] = inputs[i].getVoltage() + inputOffset;
}
for (int i=5; i<10; ++i)
{
outputs[i].setVoltage(dataIns[i+CARDINAL_AUDIO_IO_OFFSET][k] - outputOffset);
dataOuts[i+CARDINAL_AUDIO_IO_OFFSET][k] = inputs[i].getVoltage() + inputOffset;
}
}
};


+ 14
- 2
plugins/Cardinal/src/HostParameters.cpp View File

@@ -1,6 +1,6 @@
/*
* DISTRHO Cardinal Plugin
* Copyright (C) 2021 Filipe Coelho <falktx@falktx.com>
* Copyright (C) 2021-2022 Filipe Coelho <falktx@falktx.com>
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
@@ -36,6 +36,7 @@ struct HostParameters : Module {
};

rack::dsp::SlewLimiter parameters[kModuleParameters];
bool parametersConnected[kModuleParameters] = {};
float sampleTime = 0.0f;

HostParameters()
@@ -60,7 +61,18 @@ struct HostParameters : Module {
if (const CardinalPluginContext* const pcontext = static_cast<CardinalPluginContext*>(APP))
{
for (uint32_t i=0; i<kModuleParameters; ++i)
outputs[i].setVoltage(parameters[i].process(sampleTime, pcontext->parameters[i]));
{
const bool connected = outputs[i].isConnected();

if (parametersConnected[i] != connected)
{
parametersConnected[i] = connected;
parameters[i].reset();
}

if (connected)
outputs[i].setVoltage(parameters[i].process(sampleTime, pcontext->parameters[i]));
}
}
}



+ 3
- 1
plugins/Cardinal/src/plugin.hpp View File

@@ -1,6 +1,6 @@
/*
* DISTRHO Cardinal Plugin
* Copyright (C) 2021 Filipe Coelho <falktx@falktx.com>
* Copyright (C) 2021-2022 Filipe Coelho <falktx@falktx.com>
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
@@ -31,6 +31,8 @@ extern Model* modelAudioFile;
extern Model* modelCarla;
extern Model* modelCardinalBlank;
extern Model* modelGlBars;
extern Model* modelHostAudio2;
extern Model* modelHostAudio8;
extern Model* modelHostCV;
extern Model* modelHostParameters;
extern Model* modelHostTime;


+ 10
- 4
plugins/Cardinal/src/plugincontext.hpp View File

@@ -1,6 +1,6 @@
/*
* DISTRHO Cardinal Plugin
* Copyright (C) 2021 Filipe Coelho <falktx@falktx.com>
* Copyright (C) 2021-2022 Filipe Coelho <falktx@falktx.com>
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
@@ -33,6 +33,12 @@ START_NAMESPACE_DISTRHO

static constexpr const uint32_t kModuleParameters = 24;

enum CardinalVariant {
kCardinalVariantMain,
kCardinalVariantFX,
kCardinalVariantSynth,
};

class Plugin;
class UI;

@@ -40,14 +46,14 @@ struct CardinalPluginContext : rack::Context {
uint32_t bufferSize;
double sampleRate;
float parameters[kModuleParameters];
bool playing, reset, bbtValid, loadedHostCV;
CardinalVariant variant;
bool playing, reset, bbtValid;
int32_t bar, beat, beatsPerBar, beatType;
uint64_t frame;
double barStartTick, beatsPerMinute;
double tick, tickClock, ticksPerBeat, ticksPerClock, ticksPerFrame;
uintptr_t nativeWindowId;
uint32_t dataFrame;
const float** dataIns;
const float* const* dataIns;
float** dataOuts;
Plugin* const plugin;
#ifndef HEADLESS


+ 1
- 0
plugins/Makefile View File

@@ -188,6 +188,7 @@ PLUGIN_FILES = plugins.cpp

PLUGIN_FILES += Cardinal/src/Blank.cpp
PLUGIN_FILES += Cardinal/src/glBars.cpp
PLUGIN_FILES += Cardinal/src/HostAudio.cpp
PLUGIN_FILES += Cardinal/src/HostCV.cpp
PLUGIN_FILES += Cardinal/src/HostParameters.cpp
PLUGIN_FILES += Cardinal/src/HostTime.cpp


+ 3
- 1
plugins/plugins.cpp View File

@@ -1,6 +1,6 @@
/*
* DISTRHO Cardinal Plugin
* Copyright (C) 2021 Filipe Coelho <falktx@falktx.com>
* Copyright (C) 2021-2022 Filipe Coelho <falktx@falktx.com>
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
@@ -679,6 +679,8 @@ static void initStatic__Cardinal()
{
p->addModel(modelCardinalBlank);
p->addModel(modelGlBars);
p->addModel(modelHostAudio2);
p->addModel(modelHostAudio8);
p->addModel(modelHostCV);
p->addModel(modelHostParameters);
p->addModel(modelHostTime);


+ 36
- 106
src/CardinalPlugin.cpp View File

@@ -1,6 +1,6 @@
/*
* DISTRHO Cardinal Plugin
* Copyright (C) 2021 Filipe Coelho <falktx@falktx.com>
* Copyright (C) 2021-2022 Filipe Coelho <falktx@falktx.com>
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
@@ -182,9 +182,6 @@ struct Initializer
"Make sure Cardinal was downloaded and installed correctly.", asset::systemDir.c_str());
}
INFO("Initializing audio driver");
audio::addDriver(0, new CardinalAudioDriver);
INFO("Initializing midi driver");
midi::addDriver(0, new CardinalMidiDriver);
@@ -336,14 +333,11 @@ class CardinalPlugin : public CardinalBasePlugin
{
SharedResourcePointer<Initializer> fInitializer;
float* fAudioBufferIn;
float* fAudioBufferOut;
float** fAudioBufferCopy;
std::string fAutosavePath;
String fWindowSize;
// for base/context handling
bool fIsActive;
CardinalAudioDevice* fCurrentAudioDevice;
CardinalMidiInputDevice** fCurrentMidiInputs;
CardinalMidiOutputDevice** fCurrentMidiOutputs;
uint64_t fPreviousFrame;
@@ -358,10 +352,7 @@ public:
CardinalPlugin()
: CardinalBasePlugin(kModuleParameters + kWindowParameterCount, 0, kCardinalStateCount),
fInitializer(this),
fAudioBufferIn(nullptr),
fAudioBufferOut(nullptr),
fIsActive(false),
fCurrentAudioDevice(nullptr),
fAudioBufferCopy(nullptr),
fCurrentMidiInputs(nullptr),
fCurrentMidiOutputs(nullptr),
fPreviousFrame(0)
@@ -443,7 +434,6 @@ public:
{
const MutexLocker cml(fDeviceMutex);
fCurrentAudioDevice = nullptr;
delete[] fCurrentMidiInputs;
fCurrentMidiInputs = nullptr;
delete[] fCurrentMidiOutputs;
@@ -463,36 +453,6 @@ protected:
/* --------------------------------------------------------------------------------------------------------
* Cardinal Base things */
bool isActive() const noexcept override
{
return fIsActive;
}
bool canAssignAudioDevice() const noexcept override
{
const MutexLocker cml(fDeviceMutex);
return fCurrentAudioDevice == nullptr;
}
void assignAudioDevice(CardinalAudioDevice* const dev) noexcept override
{
DISTRHO_SAFE_ASSERT_RETURN(fCurrentAudioDevice == nullptr,);
const MutexLocker cml(fDeviceMutex);
fCurrentAudioDevice = dev;
}
bool clearAudioDevice(CardinalAudioDevice* const dev) noexcept override
{
const MutexLocker cml(fDeviceMutex);
if (fCurrentAudioDevice != dev)
return false;
fCurrentAudioDevice = nullptr;
return true;
}
void assignMidiInputDevice(CardinalMidiInputDevice* const dev) noexcept override
{
CardinalMidiInputDevice** const oldDevs = fCurrentMidiInputs;
@@ -625,13 +585,15 @@ protected:
int64_t getUniqueId() const override
{
#if CARDINAL_VARIANT_SYNTH
return d_cconst('d', 'C', 'n', 'S');
#elif CARDINAL_VARIANT_FX
return d_cconst('d', 'C', 'n', 'F');
#else
#if CARDINAL_VARIANT_MAIN
return d_cconst('d', 'C', 'd', 'n');
#endif
#elif CARDINAL_VARIANT_FX
return d_cconst('d', 'C', 'n', 'F');
#elif CARDINAL_VARIANT_SYNTH
return d_cconst('d', 'C', 'n', 'S');
#else
#error cardinal variant not set
#endif
}
/* --------------------------------------------------------------------------------------------------------
@@ -892,42 +854,25 @@ protected:
void activate() override
{
#if DISTRHO_PLUGIN_NUM_INPUTS != 0
const uint32_t bufferSize = getBufferSize();
fAudioBufferOut = new float[bufferSize * DISTRHO_PLUGIN_NUM_OUTPUTS];
const uint32_t numInputs = std::max(1, DISTRHO_PLUGIN_NUM_INPUTS);
fAudioBufferIn = new float[bufferSize * numInputs];
std::memset(fAudioBufferIn, 0, sizeof(float)*bufferSize * numInputs);
fAudioBufferCopy = new float*[DISTRHO_PLUGIN_NUM_INPUTS];
for (int i=0; i<DISTRHO_PLUGIN_NUM_OUTPUTS; ++i)
fAudioBufferCopy[i] = new float[newBufferSize];
#endif
fPreviousFrame = 0;
{
const MutexLocker cml(fDeviceMutex);
if (fCurrentAudioDevice != nullptr)
{
rack::contextSet(context);
fCurrentAudioDevice->onStartStream();
}
}
}
void deactivate() override
{
if (fAudioBufferCopy != nullptr)
{
const MutexLocker cml(fDeviceMutex);
if (fCurrentAudioDevice != nullptr)
{
rack::contextSet(context);
fCurrentAudioDevice->onStopStream();
}
for (int i=0; i<DISTRHO_PLUGIN_NUM_OUTPUTS; ++i)
delete[] fAudioBufferCopy[i];
delete[] fAudioBufferCopy;
fAudioBufferCopy = nullptr;
}
delete[] fAudioBufferOut;
fAudioBufferOut = nullptr;
delete[] fAudioBufferIn;
fAudioBufferIn = nullptr;
}
inline void sendSingleSimpleMidiMessage(const MidiEvent& midiEvent)
@@ -1006,41 +951,26 @@ protected:
(*inputs)->handleMessagesFromHost(midiEvents, midiEventCount);
}
if (fCurrentAudioDevice != nullptr)
// separate buffers, use them
if (inputs != outputs && (inputs == nullptr || inputs[0] != outputs[0]))
{
#if CARDINAL_NUM_AUDIO_INPUTS != 0
for (uint32_t i=0, j=0; i<frames; ++i)
for (uint32_t k=0; k<CARDINAL_NUM_AUDIO_INPUTS; ++k)
fAudioBufferIn[j++] = inputs[k][i];
fCurrentAudioDevice->processInput(fAudioBufferIn, CARDINAL_NUM_AUDIO_INPUTS, frames);
#else
std::memset(fAudioBufferIn, 0, sizeof(float)*frames);
fCurrentAudioDevice->processInput(fAudioBufferIn, 1, frames);
#endif
}
#if CARDINAL_VARIANT_MAIN
context->dataFrame = 0;
context->dataIns = inputs;
context->dataOuts = outputs;
#endif
context->engine->stepBlock(frames);
if (fCurrentAudioDevice != nullptr)
{
std::memset(fAudioBufferOut, 0, sizeof(float)*frames*CARDINAL_NUM_AUDIO_OUTPUTS);
fCurrentAudioDevice->processOutput(fAudioBufferOut, CARDINAL_NUM_AUDIO_OUTPUTS, frames);
for (uint32_t i=0, j=0; i<frames; ++i)
for (uint32_t k=0; k<CARDINAL_NUM_AUDIO_OUTPUTS; ++k)
outputs[k][i] = fAudioBufferOut[j++];
context->dataIns = inputs;
context->dataOuts = outputs;
}
// inline processing, use a safe copy
else
{
for (uint32_t k=0; k<CARDINAL_NUM_AUDIO_OUTPUTS; ++k)
std::memset(outputs[k], 0, sizeof(float)*frames);
for (int i=0; i<DISTRHO_PLUGIN_NUM_OUTPUTS; ++i)
std::memcpy(fAudioBufferCopy[i], inputs[i], sizeof(float)*frames);
context->dataIns = fAudioBufferCopy;
context->dataOuts = outputs;
}
for (int i=0; i<DISTRHO_PLUGIN_NUM_OUTPUTS; ++i)
std::memset(outputs[i], 0, sizeof(float)*frames);
context->engine->stepBlock(frames);
}
void bufferSizeChanged(const uint32_t newBufferSize) override


+ 19
- 10
src/PluginContext.hpp View File

@@ -1,6 +1,6 @@
/*
* DISTRHO Cardinal Plugin
* Copyright (C) 2021 Filipe Coelho <falktx@falktx.com>
* Copyright (C) 2021-2022 Filipe Coelho <falktx@falktx.com>
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
@@ -39,20 +39,26 @@ START_NAMESPACE_DISTRHO

static constexpr const uint kModuleParameters = 24;

enum CardinalVariant {
kCardinalVariantMain,
kCardinalVariantFX,
kCardinalVariantSynth,
};

// -----------------------------------------------------------------------------------------------------------

struct CardinalPluginContext : rack::Context {
uint32_t bufferSize;
double sampleRate;
float parameters[kModuleParameters];
bool playing, reset, bbtValid, loadedHostCV;
CardinalVariant variant;
bool playing, reset, bbtValid;
int32_t bar, beat, beatsPerBar, beatType;
uint64_t frame;
double barStartTick, beatsPerMinute;
double tick, tickClock, ticksPerBeat, ticksPerClock, ticksPerFrame;
uintptr_t nativeWindowId;
uint32_t dataFrame;
const float** dataIns;
const float* const* dataIns;
float** dataOuts;
Plugin* const plugin;
#ifndef HEADLESS
@@ -62,10 +68,18 @@ struct CardinalPluginContext : rack::Context {
CardinalPluginContext(Plugin* const p)
: bufferSize(p->getBufferSize()),
sampleRate(p->getSampleRate()),
#if CARDINAL_VARIANT_MAIN
variant(kCardinalVariantMain),
#elif CARDINAL_VARIANT_FX
variant(kCardinalVariantFX),
#elif CARDINAL_VARIANT_SYNTH
variant(kCardinalVariantSynth),
#else
#error cardinal variant not set
#endif
playing(false),
reset(false),
bbtValid(false),
loadedHostCV(false),
bar(1),
beat(1),
beatsPerBar(4),
@@ -79,7 +93,6 @@ struct CardinalPluginContext : rack::Context {
ticksPerClock(0.0),
ticksPerFrame(0.0),
nativeWindowId(0),
dataFrame(0),
dataIns(nullptr),
dataOuts(nullptr),
plugin(p)
@@ -116,10 +129,6 @@ public:
: Plugin(parameterCount, programCount, stateCount),
context(new CardinalPluginContext(this)) {}
~CardinalBasePlugin() override {}
virtual bool isActive() const noexcept = 0;
virtual bool canAssignAudioDevice() const noexcept = 0;
virtual bool clearAudioDevice(CardinalAudioDevice* dev) noexcept = 0;
virtual void assignAudioDevice(CardinalAudioDevice* dev) noexcept = 0;
virtual void assignMidiInputDevice(CardinalMidiInputDevice* dev) noexcept = 0;
virtual void assignMidiOutputDevice(CardinalMidiOutputDevice* dev) noexcept = 0;
virtual void clearMidiInputDevice(CardinalMidiInputDevice* dev) noexcept = 0;


+ 1
- 140
src/PluginDriver.hpp View File

@@ -1,6 +1,6 @@
/*
* DISTRHO Cardinal Plugin
* Copyright (C) 2021 Filipe Coelho <falktx@falktx.com>
* Copyright (C) 2021-2022 Filipe Coelho <falktx@falktx.com>
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
@@ -23,145 +23,6 @@ START_NAMESPACE_DISTRHO

// -----------------------------------------------------------------------------------------------------------

struct CardinalAudioDevice : rack::audio::Device
{
CardinalBasePlugin* const fPlugin;

CardinalAudioDevice(CardinalBasePlugin* const plugin)
: fPlugin(plugin) {}

std::string getName() override
{
return "Cardinal";
}

int getNumInputs() override
{
return CARDINAL_NUM_AUDIO_INPUTS;
}

int getNumOutputs() override
{
return CARDINAL_NUM_AUDIO_OUTPUTS;
}

int getBlockSize() override
{
return fPlugin->getBufferSize();
}

float getSampleRate() override
{
return fPlugin->getSampleRate();
}

std::set<int> getBlockSizes() override
{
return std::set<int>({ getBlockSize() });
}

std::set<float> getSampleRates() override
{
return std::set<float>({ getSampleRate() });
}

void setBlockSize(int) override {}
void setSampleRate(float) override {}

void processInput(const float* const input, const int inputStride, const int frames)
{
for (rack::audio::Port* port : subscribed)
port->processInput(input + port->inputOffset, inputStride, frames);
}

void processOutput(float* const output, const int outputStride, const int frames)
{
for (rack::audio::Port* port : subscribed)
port->processOutput(output + port->outputOffset, outputStride, frames);
}
};

// -----------------------------------------------------------------------------------------------------------

struct CardinalAudioDriver : rack::audio::Driver
{
CardinalAudioDriver() {}

std::string getName() override
{
return "Plugin Driver";
}

std::vector<int> getDeviceIds() override
{
return std::vector<int>({ 0 });
}

int getDefaultDeviceId() override
{
return 0;
}

std::string getDeviceName(int) override
{
return "Plugin Device";
}

int getDeviceNumInputs(int) override
{
return CARDINAL_NUM_AUDIO_INPUTS;
}

int getDeviceNumOutputs(int) override
{
return CARDINAL_NUM_AUDIO_OUTPUTS;
}

rack::audio::Device* subscribe(int, rack::audio::Port* const port) override
{
CardinalPluginContext* const pluginContext = reinterpret_cast<CardinalPluginContext*>(port->context);
DISTRHO_SAFE_ASSERT_RETURN(pluginContext != nullptr, nullptr);

CardinalBasePlugin* const plugin = reinterpret_cast<CardinalBasePlugin*>(pluginContext->plugin);
DISTRHO_SAFE_ASSERT_RETURN(plugin != nullptr, nullptr);

if (! plugin->canAssignAudioDevice())
throw rack::Exception("Plugin driver only allows one audio device to be used simultaneously");

CardinalAudioDevice* const device = new CardinalAudioDevice(plugin);
device->subscribe(port);

if (plugin->isActive())
device->onStartStream();

plugin->assignAudioDevice(device);
return device;
}

void unsubscribe(int, rack::audio::Port* const port) override
{
CardinalAudioDevice* const device = reinterpret_cast<CardinalAudioDevice*>(port->device);
DISTRHO_SAFE_ASSERT_RETURN(device != nullptr,);

CardinalPluginContext* const pluginContext = reinterpret_cast<CardinalPluginContext*>(port->context);
DISTRHO_SAFE_ASSERT_RETURN(pluginContext != nullptr,);

CardinalBasePlugin* const plugin = reinterpret_cast<CardinalBasePlugin*>(pluginContext->plugin);
DISTRHO_SAFE_ASSERT_RETURN(plugin != nullptr,);

if (plugin->clearAudioDevice(device))
{
if (plugin->isActive())
device->onStopStream();

device->unsubscribe(port);
delete device;
}
}
};

// -----------------------------------------------------------------------------------------------------------

struct CardinalMidiInputDevice : rack::midi::InputDevice
{
CardinalBasePlugin* const fPlugin;


+ 2
- 10
src/template.vcv View File

@@ -4,8 +4,8 @@
"modules": [
{
"id": 1,
"plugin": "Core",
"model": "AudioInterface2",
"plugin": "Cardinal",
"model": "HostAudio2",
"version": "2.0",
"params": [
{
@@ -15,14 +15,6 @@
],
"rightModuleId": 2,
"data": {
"audio": {
"driver": 0,
"deviceName": "Cardinal",
"sampleRate": 48000.0,
"blockSize": 512,
"inputOffset": 0,
"outputOffset": 0
},
"dcFilter": true
},
"pos": [


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