Files
NeuralSynth/Source/PluginProcessor.cpp
2025-10-22 16:58:14 +00:00

277 lines
12 KiB
C++

#include "PluginProcessor.h"
#include "PluginEditor.h"
//==============================================================================
NeuralSynthAudioProcessor::NeuralSynthAudioProcessor()
: parameters(*this, nullptr, "PARAMETERS", createParameterLayout())
, AudioProcessor(BusesProperties().withOutput("Output", juce::AudioChannelSet::stereo(), true))
, audioEngine(sp)
{
parameters.addParameterListener("waveform", this);
// Wavetable params
sp.wtOn = parameters.getRawParameterValue("wt_on");
sp.wtMorph = parameters.getRawParameterValue("wt_morph");
// === Per-panel bypass (default OFF) ===
sp.chorusOn = parameters.getRawParameterValue("chorus_on");
sp.delayOn = parameters.getRawParameterValue("delay_on");
sp.reverbOn = parameters.getRawParameterValue("reverb_on");
sp.flangerOn = parameters.getRawParameterValue("flanger_on");
sp.distortionOn = parameters.getRawParameterValue("distortion_on");
sp.filterOn = parameters.getRawParameterValue("filter_on");
sp.eqOn = parameters.getRawParameterValue("eq_on");
// === Chorus ===
parameters.addParameterListener("chorus_rate", this);
parameters.addParameterListener("chorus_depth", this);
parameters.addParameterListener("chorus_centre", this);
parameters.addParameterListener("chorus_feedback", this);
parameters.addParameterListener("chorus_mix", this);
sp.chorusRate = parameters.getRawParameterValue("chorus_rate");
sp.chorusDepth = parameters.getRawParameterValue("chorus_depth");
sp.chorusCentre = parameters.getRawParameterValue("chorus_centre");
sp.chorusFeedback = parameters.getRawParameterValue("chorus_feedback");
sp.chorusMix = parameters.getRawParameterValue("chorus_mix");
// === Delay ===
parameters.addParameterListener("delay_delay", this);
sp.delayTime = parameters.getRawParameterValue("delay_delay");
// === Reverb ===
parameters.addParameterListener("reverb_roomSize", this);
parameters.addParameterListener("reverb_damping", this);
parameters.addParameterListener("reverb_wetLevel", this);
parameters.addParameterListener("reverb_dryLevel", this);
parameters.addParameterListener("reverb_width", this);
parameters.addParameterListener("reverb_freezeMode", this);
sp.reverbRoomSize = parameters.getRawParameterValue("reverb_roomSize");
sp.reverbDamping = parameters.getRawParameterValue("reverb_damping");
sp.reverbWetLevel = parameters.getRawParameterValue("reverb_wetLevel");
sp.reverbDryLevel = parameters.getRawParameterValue("reverb_dryLevel");
sp.reverbWidth = parameters.getRawParameterValue("reverb_width");
sp.reverbFreezeMode= parameters.getRawParameterValue("reverb_freezeMode");
// === Amp ADSR ===
parameters.addParameterListener("adsr_attack", this);
parameters.addParameterListener("adsr_decay", this);
parameters.addParameterListener("adsr_sustain", this);
parameters.addParameterListener("adsr_release", this);
sp.adsrAttack = parameters.getRawParameterValue("adsr_attack");
sp.adsrDecay = parameters.getRawParameterValue("adsr_decay");
sp.adsrSustain = parameters.getRawParameterValue("adsr_sustain");
sp.adsrRelease = parameters.getRawParameterValue("adsr_release");
// === Filter Env ===
parameters.addParameterListener("fenv_attack", this);
parameters.addParameterListener("fenv_decay", this);
parameters.addParameterListener("fenv_sustain", this);
parameters.addParameterListener("fenv_release", this);
parameters.addParameterListener("fenv_amount", this);
sp.fenvAttack = parameters.getRawParameterValue("fenv_attack");
sp.fenvDecay = parameters.getRawParameterValue("fenv_decay");
sp.fenvSustain = parameters.getRawParameterValue("fenv_sustain");
sp.fenvRelease = parameters.getRawParameterValue("fenv_release");
sp.fenvAmount = parameters.getRawParameterValue("fenv_amount");
// === Filter base ===
parameters.addParameterListener("filter_cutoff", this);
parameters.addParameterListener("filter_resonance", this);
parameters.addParameterListener("filter_type", this);
parameters.addParameterListener("filter_drive", this);
parameters.addParameterListener("filter_mod", this);
parameters.addParameterListener("filter_key", this);
sp.filterCutoff = parameters.getRawParameterValue("filter_cutoff");
sp.filterResonance = parameters.getRawParameterValue("filter_resonance");
sp.filterType = parameters.getRawParameterValue("filter_type");
sp.filterDrive = parameters.getRawParameterValue("filter_drive");
sp.filterMod = parameters.getRawParameterValue("filter_mod");
sp.filterKey = parameters.getRawParameterValue("filter_key");
// === Distortion ===
parameters.addParameterListener("distortion_drive", this);
parameters.addParameterListener("distortion_mix", this);
parameters.addParameterListener("distortion_bias", this);
parameters.addParameterListener("distortion_tone", this);
parameters.addParameterListener("distortion_shape", this);
sp.distortionDrive = parameters.getRawParameterValue("distortion_drive");
sp.distortionMix = parameters.getRawParameterValue("distortion_mix");
sp.distortionBias = parameters.getRawParameterValue("distortion_bias");
sp.distortionTone = parameters.getRawParameterValue("distortion_tone");
sp.distortionShape = parameters.getRawParameterValue("distortion_shape");
// === Master / EQ ===
parameters.addParameterListener("master", this);
parameters.addParameterListener("lowEQ", this);
parameters.addParameterListener("midEQ", this);
parameters.addParameterListener("highEQ", this);
sp.masterDbls = parameters.getRawParameterValue("master");
sp.lowGainDbls = parameters.getRawParameterValue("lowEQ");
sp.midGainDbls = parameters.getRawParameterValue("midEQ");
sp.highGainDbls = parameters.getRawParameterValue("highEQ");
}
NeuralSynthAudioProcessor::~NeuralSynthAudioProcessor() = default;
//==============================================================================
const juce::String NeuralSynthAudioProcessor::getName() const { return JucePlugin_Name; }
bool NeuralSynthAudioProcessor::acceptsMidi() const
{
#if JucePlugin_WantsMidiInput
return true;
#else
return false;
#endif
}
bool NeuralSynthAudioProcessor::producesMidi() const
{
#if JucePlugin_ProducesMidiOutput
return true;
#else
return false;
#endif
}
bool NeuralSynthAudioProcessor::isMidiEffect() const
{
#if JucePlugin_IsMidiEffect
return true;
#else
return false;
#endif
}
double NeuralSynthAudioProcessor::getTailLengthSeconds() const { return 0.0; }
int NeuralSynthAudioProcessor::getNumPrograms() { return 1; }
int NeuralSynthAudioProcessor::getCurrentProgram() { return 0; }
void NeuralSynthAudioProcessor::setCurrentProgram (int) {}
const juce::String NeuralSynthAudioProcessor::getProgramName (int) { return {}; }
void NeuralSynthAudioProcessor::changeProgramName (int, const juce::String&) {}
//==============================================================================
void NeuralSynthAudioProcessor::prepareToPlay (double sampleRate, int samplesPerBlock)
{
audioEngine.prepare({ sampleRate, (juce::uint32)samplesPerBlock, 2 });
}
void NeuralSynthAudioProcessor::releaseResources() {}
bool NeuralSynthAudioProcessor::isBusesLayoutSupported (const BusesLayout& layouts) const
{
if (layouts.getMainOutputChannelSet() != juce::AudioChannelSet::mono()
&& layouts.getMainOutputChannelSet() != juce::AudioChannelSet::stereo())
return false;
return true;
}
void NeuralSynthAudioProcessor::processBlock(juce::AudioSampleBuffer& buffer, juce::MidiBuffer& midiMessages)
{
const int newWaveform = sp.waveform.exchange(-1);
if (newWaveform != -1) {
audioEngine.applyToVoices([newWaveform](NeuralSynthVoice* v)
{
v->changeWaveform(newWaveform);
});
}
juce::ScopedNoDenormals noDenormals;
auto totalNumInputChannels = getTotalNumInputChannels();
auto totalNumOutputChannels = getTotalNumOutputChannels();
for (int i = totalNumInputChannels; i < totalNumOutputChannels; ++i)
buffer.clear(i, 0, buffer.getNumSamples());
audioEngine.renderNextBlock(buffer, midiMessages, 0, buffer.getNumSamples());
scopeDataCollector.process(buffer.getReadPointer(0), (size_t)buffer.getNumSamples());
}
//==============================================================================
bool NeuralSynthAudioProcessor::hasEditor() const { return true; }
juce::AudioProcessorEditor* NeuralSynthAudioProcessor::createEditor()
{
return new NeuralSynthAudioProcessorEditor (*this);
}
//==============================================================================
void NeuralSynthAudioProcessor::getStateInformation (juce::MemoryBlock& destData) { juce::ignoreUnused(destData); }
void NeuralSynthAudioProcessor::setStateInformation (const void* data, int sizeInBytes) { juce::ignoreUnused(data, sizeInBytes); }
void NeuralSynthAudioProcessor::parameterChanged(const juce::String& id, float newValue)
{
juce::ignoreUnused(newValue);
if (id == "waveform")
sp.waveform.store((int)newValue, std::memory_order_release);
}
//==============================================================================
// This creates new instances of the plugin..
juce::AudioProcessor* JUCE_CALLTYPE createPluginFilter() { return new NeuralSynthAudioProcessor(); }
void NeuralSynthAudioProcessor::buildParams(std::vector<std::unique_ptr<juce::RangedAudioParameter>>& params, const std::string& paramGroup) {
const auto& paramGroupSettings = PARAM_SETTINGS.at(paramGroup);
for (const auto& [name, s] : paramGroupSettings) {
params.push_back(std::make_unique<juce::AudioParameterFloat>(
paramGroup + "_" + name, s.label,
juce::NormalisableRange<float>(s.min, s.max, s.interval),
s.defValue));
}
}
juce::AudioProcessorValueTreeState::ParameterLayout NeuralSynthAudioProcessor::createParameterLayout()
{
std::vector<std::unique_ptr<juce::RangedAudioParameter>> params;
params.push_back(std::make_unique<juce::AudioParameterChoice>(
"waveform", "Waveform",
juce::StringArray{ "Sine", "Saw", "Square", "Triangle" }, 0));
// --- Wavetable on/off + morph position (0..15) ---
params.push_back(std::make_unique<juce::AudioParameterBool>("wt_on", "Wavetable On", true));
params.push_back(std::make_unique<juce::AudioParameterFloat>(
"wt_morph", "WT Morph",
juce::NormalisableRange<float>(0.0f, 15.0f, 0.001f), 0.0f));
// Per-panel bypass toggles (default OFF)
params.push_back(std::make_unique<juce::AudioParameterBool>("chorus_on", "Chorus On", false));
params.push_back(std::make_unique<juce::AudioParameterBool>("delay_on", "Delay On", false));
params.push_back(std::make_unique<juce::AudioParameterBool>("reverb_on", "Reverb On", false));
params.push_back(std::make_unique<juce::AudioParameterBool>("flanger_on", "Flanger On", false));
params.push_back(std::make_unique<juce::AudioParameterBool>("distortion_on", "Distortion On", false));
params.push_back(std::make_unique<juce::AudioParameterBool>("filter_on", "Filter On", false));
params.push_back(std::make_unique<juce::AudioParameterBool>("eq_on", "EQ On", false));
buildParams(params, "adsr");
buildParams(params, "fenv");
buildParams(params, "chorus");
buildParams(params, "delay");
buildParams(params, "reverb");
buildParams(params, "flanger");
buildParams(params, "distortion");
buildParams(params, "filter");
params.push_back(std::make_unique<juce::AudioParameterFloat>("master", "Master",
juce::NormalisableRange<float>(-24.0f, 24.0f, 0.1f), 0.1f));
params.push_back(std::make_unique<juce::AudioParameterFloat>("lowEQ", "Low Gain",
juce::NormalisableRange<float>(-24.0f, 24.0f, 0.1f), 0.5f));
params.push_back(std::make_unique<juce::AudioParameterFloat>("midEQ", "Mid EQ",
juce::NormalisableRange<float>(-24.0f, 24.0f, 0.1f), 0.8f));
params.push_back(std::make_unique<juce::AudioParameterFloat>("highEQ", "High EQ",
juce::NormalisableRange<float>(-24.0f, 24.0f, 0.1f), 1.0f));
return { params.begin(), params.end() };
}