Cardinal/jucewrapper/CardinalWrapper.cpp
2022-03-09 19:06:10 +00:00

360 lines
10 KiB
C++

/*
* 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 <juce_audio_processors/juce_audio_processors.h>
#define createPlugin createStaticPlugin
#include "src/DistrhoPluginInternal.hpp"
#include "src/DistrhoUIInternal.hpp"
START_NAMESPACE_DISTRHO
#if 0
// -----------------------------------------------------------------------------------------------------------
class ParameterForDPF : public juce::AudioProcessorParameter
{
PluginExporter& plugin;
const uint index;
public:
ParameterForDPF(PluginExporter& plugin_, const uint index_)
: plugin(plugin_),
index(index_) {}
protected:
float getValue() const override
{
return plugin.getParameterRanges(index).getNormalizedValue(plugin.getParameterValue(index));
}
void setValue(const float newValue) override
{
plugin.setParameterValue(index, plugin.getParameterRanges(index).getUnnormalizedValue(newValue));
}
float getDefaultValue() const override
{
return plugin.getParameterDefault(index);
}
juce::String getName(int) const override
{
return plugin.getParameterName(index).buffer();
}
juce::String getLabel() const override
{
return plugin.getParameterUnit(index).buffer();
}
float getValueForText(const juce::String& text) const override
{
return 0.0f;
}
};
#endif
// -----------------------------------------------------------------------------------------------------------
class CardinalWrapperProcessor : public juce::AudioProcessor
{
friend class CardinalWrapperEditor;
PluginExporter plugin;
TimePosition timePosition;
static bool writeMidi(void* ptr, const MidiEvent& midiEvent)
{
return false;
}
static bool requestParameterValueChange(void* ptr, uint32_t index, float value)
{
return false;
}
static bool updateStateValue(void* ptr, const char* key, const char* value)
{
return false;
}
public:
CardinalWrapperProcessor()
: plugin(this, writeMidi, requestParameterValueChange, updateStateValue)
{
if (const double sampleRate = getSampleRate())
plugin.setSampleRate(sampleRate);
if (const int blockSize = getBlockSize())
plugin.setBufferSize(blockSize);
// for (uint i=0; i<plugin.getParameterCount(); ++i)
// addParameter(new ParameterForDPF(plugin, i));
}
~CardinalWrapperProcessor() override
{
}
const juce::String getName() const override
{
return plugin.getName();
}
juce::StringArray getAlternateDisplayNames() const override
{
return juce::StringArray(plugin.getLabel());
}
void prepareToPlay(double sampleRate, int samplesPerBlock) override
{
plugin.deactivateIfNeeded();
plugin.setSampleRate(sampleRate);
plugin.setBufferSize(samplesPerBlock);
plugin.activate();
}
void releaseResources() override
{
plugin.deactivateIfNeeded();
}
void processBlock(juce::AudioBuffer<float>& buffer, juce::MidiBuffer& midiMessages) override
{
midiMessages.clear();
juce::AudioPlayHead* const playhead = getPlayHead();
juce::AudioPlayHead::CurrentPositionInfo posInfo;
if (playhead != nullptr && playhead->getCurrentPosition(posInfo))
{
timePosition.playing = posInfo.isPlaying;
timePosition.bbt.valid = true;
// ticksPerBeat is not possible with JUCE
timePosition.bbt.ticksPerBeat = 1920.0;
if (posInfo.timeInSamples >= 0)
timePosition.frame = posInfo.timeInSamples;
else
timePosition.frame = 0;
timePosition.bbt.beatsPerMinute = posInfo.bpm;
const double ppqPos = std::abs(posInfo.ppqPosition);
const int ppqPerBar = posInfo.timeSigNumerator * 4 / posInfo.timeSigDenominator;
const double barBeats = (std::fmod(ppqPos, ppqPerBar) / ppqPerBar) * posInfo.timeSigNumerator;
const double rest = std::fmod(barBeats, 1.0);
timePosition.bbt.bar = static_cast<int32_t>(ppqPos) / ppqPerBar + 1;
timePosition.bbt.beat = static_cast<int32_t>(barBeats - rest + 0.5) + 1;
timePosition.bbt.tick = rest * timePosition.bbt.ticksPerBeat;
timePosition.bbt.beatsPerBar = posInfo.timeSigNumerator;
timePosition.bbt.beatType = posInfo.timeSigDenominator;
if (posInfo.ppqPosition < 0.0)
{
--timePosition.bbt.bar;
timePosition.bbt.beat = posInfo.timeSigNumerator - timePosition.bbt.beat + 1;
timePosition.bbt.tick = timePosition.bbt.ticksPerBeat - timePosition.bbt.tick - 1;
}
timePosition.bbt.barStartTick = timePosition.bbt.ticksPerBeat*
timePosition.bbt.beatsPerBar*
(timePosition.bbt.bar-1);
}
else
{
timePosition.frame = 0;
timePosition.playing = false;
timePosition.bbt.valid = false;
}
plugin.setTimePosition(timePosition);
const int numSamples = buffer.getNumSamples();
DISTRHO_SAFE_ASSERT_INT_RETURN(numSamples > 0, numSamples,);
DISTRHO_SAFE_ASSERT_RETURN(buffer.getNumChannels() == 2,);
const float* audioBufferIn[2];
float* audioBufferOut[2];
audioBufferIn[0] = buffer.getReadPointer(0);
audioBufferIn[1] = buffer.getReadPointer(1);
audioBufferOut[0] = buffer.getWritePointer(0);
audioBufferOut[1] = buffer.getWritePointer(1);
plugin.run(audioBufferIn, audioBufferOut, numSamples, nullptr, 0);
}
double getTailLengthSeconds() const override
{
return 0.0;
}
bool acceptsMidi() const override
{
return true;
}
bool producesMidi() const override
{
return true;
}
juce::AudioProcessorEditor* createEditor() override;
bool hasEditor() const override
{
return true;
}
int getNumPrograms() override
{
return 0;
}
int getCurrentProgram() override
{
return 0;
}
void setCurrentProgram(int) override
{
}
const juce::String getProgramName(int) override
{
return {};
}
void changeProgramName(int, const juce::String&) override
{
}
void getStateInformation(juce::MemoryBlock& destData) override
{
}
void setStateInformation(const void* data, int sizeInBytes) override
{
}
};
// -----------------------------------------------------------------------------------------------------------
class CardinalWrapperEditor : public juce::AudioProcessorEditor
{
UIExporter* ui;
void* const dspPtr;
static void editParamFunc(void* ptr, uint32_t rindex, bool started) {}
static void setParamFunc(void* ptr, uint32_t rindex, float value) {}
static void setStateFunc(void* ptr, const char* key, const char* value) {}
static void sendNoteFunc(void* ptr, uint8_t channel, uint8_t note, uint8_t velo) {}
static void setSizeFunc(void* ptr, uint width, uint height)
{
CardinalWrapperEditor* const editor = static_cast<CardinalWrapperEditor*>(ptr);
DISTRHO_SAFE_ASSERT_RETURN(editor != nullptr,);
#ifdef DISTRHO_OS_MAC
UIExporter* const ui = editor->ui;
DISTRHO_SAFE_ASSERT_RETURN(ui != nullptr,);
const double scaleFactor = ui->getScaleFactor();
width /= scaleFactor;
height /= scaleFactor;
#endif
editor->setSize(width, height);
}
static bool fileRequestFunc(void* ptr, const char* key) { return false; }
public:
CardinalWrapperEditor(CardinalWrapperProcessor& cardinalProcessor)
: juce::AudioProcessorEditor(cardinalProcessor),
ui(nullptr),
dspPtr(cardinalProcessor.plugin.getInstancePointer())
{
setOpaque(true);
setResizable(true, false);
// setResizeLimits(648, 538, -1, -1);
setSize(1228, 666);
}
~CardinalWrapperEditor() override
{
delete ui;
}
void paint(juce::Graphics&)
{
if (ui == nullptr)
{
auto peer = getPeer();
d_stdout("peer is %p", peer);
auto handle = peer->getNativeHandle();
d_stdout("handle is %p", handle);
auto proc = getAudioProcessor();
d_stdout("proc is %p", proc);
ui = new UIExporter(this,
(uintptr_t)handle,
proc->getSampleRate(),
editParamFunc,
setParamFunc,
setStateFunc,
sendNoteFunc,
setSizeFunc,
fileRequestFunc,
nullptr, // bundlePath
dspPtr,
0.0 // scaleFactor
);
}
ui->plugin_idle();
repaint();
}
};
juce::AudioProcessorEditor* CardinalWrapperProcessor::createEditor()
{
return new CardinalWrapperEditor(*this);
}
// -----------------------------------------------------------------------------------------------------------
END_NAMESPACE_DISTRHO
// -----------------------------------------------------------------------------------------------------------
juce::AudioProcessor* createPluginFilter()
{
// set valid but dummy values
d_nextBufferSize = 512;
d_nextSampleRate = 48000.0;
return new DISTRHO_NAMESPACE::CardinalWrapperProcessor;
}
// -----------------------------------------------------------------------------------------------------------