Fix line endings and some cleanup
This commit is contained in:
Roboboffin
49
Source/AudioBufferQueue.h
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49
Source/AudioBufferQueue.h
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#pragma once
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//==============================================================================
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template <typename SampleType>
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class AudioBufferQueue
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{
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public:
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//==============================================================================
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static constexpr size_t order = 9;
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static constexpr size_t bufferSize = 1U << order;
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static constexpr size_t numBuffers = 5;
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//==============================================================================
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void push(const SampleType* dataToPush, size_t numSamples)
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{
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jassert(numSamples <= bufferSize);
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int start1, size1, start2, size2;
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abstractFifo.prepareToWrite(1, start1, size1, start2, size2);
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jassert(size1 <= 1);
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jassert(size2 == 0);
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if (size1 > 0)
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juce::FloatVectorOperations::copy(buffers[(size_t)start1].data(), dataToPush, (int)juce::jmin(bufferSize, numSamples));
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abstractFifo.finishedWrite(size1);
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}
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//==============================================================================
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void pop(SampleType* outputBuffer)
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{
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int start1, size1, start2, size2;
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abstractFifo.prepareToRead(1, start1, size1, start2, size2);
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jassert(size1 <= 1);
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jassert(size2 == 0);
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if (size1 > 0)
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juce::FloatVectorOperations::copy(outputBuffer, buffers[(size_t)start1].data(), (int)bufferSize);
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abstractFifo.finishedRead(size1);
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}
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private:
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//==============================================================================
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juce::AbstractFifo abstractFifo{ numBuffers };
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std::array<std::array<SampleType, bufferSize>, numBuffers> buffers;
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};
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47
Source/AudioEngine.h
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47
Source/AudioEngine.h
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@@ -0,0 +1,47 @@
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#pragma once
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#include "SynthVoice.h"
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#include <JuceHeader.h>
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class NeuralAudioEngine : public juce::MPESynthesiser
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{
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public:
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static constexpr int maxNumVoices = 8;
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explicit NeuralAudioEngine(NeuralSharedParams& sp)
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{
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// Create MPE voices
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for (int i = 0; i < maxNumVoices; ++i)
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addVoice(new NeuralSynthVoice(sp)); // <-- takes MPESynthesiserVoice*
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// MPE synths do not use addSound(); note events are routed via MPE zones.
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setVoiceStealingEnabled(true);
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}
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void prepare(const juce::dsp::ProcessSpec& spec) noexcept
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{
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setCurrentPlaybackSampleRate(spec.sampleRate);
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for (auto* v : voices)
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if (auto* nv = dynamic_cast<NeuralSynthVoice*>(v))
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nv->prepare(spec);
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}
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template <typename VoiceFunc>
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void applyToVoices(VoiceFunc&& fn) noexcept
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{
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for (auto* v : voices)
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fn(dynamic_cast<NeuralSynthVoice*>(v));
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}
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private:
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// keep base render
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using juce::MPESynthesiser::renderNextSubBlock;
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void renderNextSubBlock(juce::AudioBuffer<float>& outputAudio,
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int startSample,
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int numSamples) override
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{
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juce::MPESynthesiser::renderNextSubBlock(outputAudio, startSample, numSamples);
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}
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};
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80
Source/BlepOsc.h
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80
Source/BlepOsc.h
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@@ -0,0 +1,80 @@
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#pragma once
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#include <JuceHeader.h>
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enum class BlepWave : int { Sine = 0, Saw, Square, Triangle };
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class BlepOsc
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{
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public:
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void prepare (double sampleRate) { sr = sampleRate; resetPhase(); }
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void setWave (BlepWave w) { wave = w; }
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void setFrequency (float f) { freq = juce::jmax (0.0f, f); inc = freq / (float) sr; }
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void resetPhase (float p = 0.0f) { phase = juce::jlimit (0.0f, 1.0f, p); }
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inline float process()
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{
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// phase in [0..1)
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float out = 0.0f;
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float t = phase;
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phase += inc;
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if (phase >= 1.0f) phase -= 1.0f;
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switch (wave)
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{
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case BlepWave::Sine: out = std::sin (2.0f * juce::MathConstants<float>::pi * t); break;
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case BlepWave::Saw:
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{
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// naive saw in [-1..1]
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float s = 2.0f * t - 1.0f;
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// apply BLEP at the discontinuity crossing t=0
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s -= polyBlep (t, inc);
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out = s;
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} break;
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case BlepWave::Square:
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{
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float s = (t < 0.5f ? 1.0f : -1.0f);
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// rising edge at 0.0, falling at 0.5
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s += polyBlep (t, inc) - polyBlep (std::fmod (t + 0.5f, 1.0f), inc);
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out = s;
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} break;
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case BlepWave::Triangle:
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{
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// integrate the BLEP square for band-limited tri
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float sq = (t < 0.5f ? 1.0f : -1.0f);
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sq += polyBlep (t, inc) - polyBlep (std::fmod (t + 0.5f, 1.0f), inc);
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// leaky integrator to keep DC under control
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z1 = z1 + (sq - z1) * inc;
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out = 2.0f * z1; // scale
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} break;
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}
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return out;
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}
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private:
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// PolyBLEP as in Valimäki/Huovilainen
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static inline float polyBlep (float t, float dt)
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{
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// t in [0..1)
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if (t < dt)
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{
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t /= dt;
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return t + t - t * t - 1.0f;
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}
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else if (t > 1.0f - dt)
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{
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t = (t - 1.0f) / dt;
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return t * t + t + t + 1.0f;
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}
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return 0.0f;
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}
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double sr = 44100.0;
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float freq = 440.0f, inc = 440.0f / 44100.0f;
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float phase = 0.0f;
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float z1 = 0.0f;
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BlepWave wave = BlepWave::Sine;
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};
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99
Source/GraphComponent.h
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99
Source/GraphComponent.h
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@@ -0,0 +1,99 @@
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/*
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==============================================================================
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GraphComponent.h
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Created: 4 Jul 2025 11:43:57pm
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Author: timot
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==============================================================================
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*/
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#pragma once
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#include <algorithm> // for std::minmax_element
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#include "AudioBufferQueue.h"
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//==============================================================================
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template <typename SampleType>
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class GraphComponent : public juce::Component,
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private juce::Timer
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{
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public:
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//==============================================================================
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GraphComponent(SampleType minIn, SampleType maxIn, int numPointsIn)
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: min(minIn), max(maxIn), numPoints(numPointsIn)
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{
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x.resize(numPoints);
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y.resize(numPoints);
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setFramesPerSecond(30);
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// func will be set via setFunction before paint; provide a safe default
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func = [](SampleType) noexcept { return SampleType(); };
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}
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//==============================================================================
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void setFramesPerSecond(int framesPerSecond)
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{
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jassert(framesPerSecond > 0 && framesPerSecond < 1000);
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startTimerHz(framesPerSecond);
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}
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//==============================================================================
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void setFunction(const std::function<SampleType(SampleType)>& f) { func = f; }
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//==============================================================================
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void paint(juce::Graphics& g) override
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{
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g.fillAll(juce::Colours::black);
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g.setColour(juce::Colours::white);
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auto area = getLocalBounds();
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if (hasData && area.isFinite())
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{
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auto h = (SampleType)area.getHeight();
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auto w = (SampleType)area.getWidth();
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for (size_t i = 1; i < (size_t)numPoints; ++i)
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{
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auto px_prev = ((x[i - 1] - min) / (max - min)) * w;
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auto py_prev = h - ((y[i - 1] - minY) / (maxY - minY)) * h;
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auto px_next = ((x[i] - min) / (max - min)) * w;
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auto py_next = h - ((y[i] - minY) / (maxY - minY)) * h;
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g.drawLine({ px_prev, py_prev, px_next, py_next });
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}
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}
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}
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//==============================================================================
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void resized() override {}
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private:
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//==============================================================================
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std::vector<SampleType> x, y;
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SampleType minY{ SampleType() }, maxY{ SampleType(1) };
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SampleType min{}, max{};
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int numPoints{};
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std::function<SampleType(SampleType)> func;
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bool hasData = false;
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//==============================================================================
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void timerCallback() override
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{
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const SampleType step = (max - min) / (SampleType)(numPoints - 1);
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for (int i = 0; i < numPoints; i++)
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{
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x[(size_t)i] = min + step * (SampleType)i;
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y[(size_t)i] = func(x[(size_t)i]);
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}
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auto p = std::minmax_element(y.begin(), y.end());
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minY = *p.first;
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maxY = *p.second;
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hasData = true;
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repaint();
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}
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};
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145
Source/NeuralSharedParams.h
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145
Source/NeuralSharedParams.h
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@@ -0,0 +1,145 @@
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#pragma once
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#include <atomic>
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#include <unordered_map>
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#include <string>
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struct SliderDetail {
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std::string label;
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float min, max, interval, defValue;
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};
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using ParamMap = std::unordered_map<std::string, SliderDetail>;
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// Each SliderDetail: { label, min, max, step, defaultValue }
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const std::unordered_map<std::string, ParamMap> PARAM_SETTINGS = {
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{ "chorus", {
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{ "rate", { "Rate", 0.0f, 1.0f, 0.1f, 0.1f } },
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{ "depth", { "Depth", 0.0f, 1.0f, 0.1f, 0.1f } },
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{ "centre", { "Centre", 0.0f, 1.0f, 0.1f, 0.1f } },
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{ "feedback", { "Feedback", 0.0f, 1.0f, 0.1f, 0.1f } },
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{ "mix", { "Mix", 0.0f, 1.0f, 0.1f, 0.1f } }
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}},
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{ "delay", {
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{ "delay", { "Delay", 0.0f, 1.0f, 0.1f, 0.1f } }
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}},
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{ "reverb", {
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{ "roomSize", { "Room Size", 0.0f, 1.0f, 0.1f, 0.1f } },
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{ "damping", { "Damping", 0.0f, 1.0f, 0.1f, 0.1f } },
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{ "wetLevel", { "Wet Level", 0.0f, 1.0f, 0.1f, 0.1f } },
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{ "dryLevel", { "Dry Level", 0.0f, 1.0f, 0.1f, 0.1f } },
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{ "width", { "Width", 0.0f, 1.0f, 0.1f, 0.1f } },
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{ "freezeMode", { "Freeze Mode", 0.0f, 1.0f, 0.1f, 0.1f } }
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}},
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{ "adsr", {
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{ "attack", { "Attack", 0.0f, 1.0f, 0.1f, 0.1f } },
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{ "decay", { "Decay", 0.0f, 1.0f, 0.1f, 0.1f } },
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{ "sustain", { "Sustain", 0.0f, 1.0f, 0.1f, 0.1f } },
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{ "release", { "Release", 0.0f, 1.0f, 0.1f, 0.1f } }
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}},
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// Filter envelope group (short key: "fenv")
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{ "fenv", {
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{ "attack", { "Attack", 0.0f, 2.0f, 0.001f, 0.01f } },
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{ "decay", { "Decay", 0.0f, 2.0f, 0.001f, 0.10f } },
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{ "sustain", { "Sustain", 0.0f, 1.0f, 0.001f, 0.80f } },
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{ "release", { "Release", 0.0f, 4.0f, 0.001f, 0.40f } },
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{ "amount", { "Amount", -1.0f, 1.0f, 0.001f, 0.50f } }
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}},
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{ "flanger", {
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{ "rate", { "Rate", 0.1f, 5.0f, 0.1f, 0.1f } },
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{ "depth", { "Depth", 0.1f, 10.0f, 0.1f, 0.1f } }, // ms
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{ "feedback", { "Feedback", 0.0f, 0.95f, 0.01f, 0.1f } },
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{ "dryMix", { "Dry/Wet", 0.0f, 1.0f, 0.01f, 0.0f } },
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{ "phase", { "Phase", 0.0f, 1.0f, 0.1f, 0.0f } },
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{ "delay", { "Delay", 0.0f, 3.0f, 0.1f, 0.25f } } // ms base
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}},
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{ "filter", {
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{ "cutoff", { "Cutoff", 20.0f, 20000.0f, 1.0f, 1000.0f } },
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{ "resonance", { "Resonance", 0.1f, 10.0f, 0.1f, 0.7f } },
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{ "type", { "L/H/B", 0.0f, 2.0f, 1.0f, 0.0f } },
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{ "drive", { "Drive", 0.0f, 1.0f, 0.01f, 0.0f } },
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{ "mod", { "Mod", -1.0f, 1.0f, 0.1f, 0.0f } },
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{ "key", { "Key", 0.0f, 1.0f, 0.1f, 0.0f } }
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}},
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{ "distortion", {
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{ "drive", { "Drive", 0.0f, 30.0f, 0.1f, 10.0f } },
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{ "mix", { "Mix", 0.0f, 1.0f, 0.01f, 0.0f } },
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{ "bias", { "Bias", -1.0f, 1.0f, 0.01f, 0.0f } },
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{ "tone", { "Tone", 100.0f, 8000.0f, 10.0f, 3000.0f } },
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{ "shape", { "Shape", 0.0f, 2.0f, 1.0f, 0.0f } }
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}}
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};
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struct NeuralSharedParams
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{
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std::atomic<int> waveform{ -1 };
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// Amp ADSR
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std::atomic<float>* adsrAttack{};
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std::atomic<float>* adsrDecay{};
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std::atomic<float>* adsrSustain{};
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std::atomic<float>* adsrRelease{};
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// Delay
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std::atomic<float>* delayTime{};
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// Chorus
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std::atomic<float>* chorusRate{};
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std::atomic<float>* chorusDepth{};
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std::atomic<float>* chorusCentre{};
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std::atomic<float>* chorusFeedback{};
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std::atomic<float>* chorusMix{};
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// Reverb
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std::atomic<float>* reverbRoomSize{};
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std::atomic<float>* reverbDamping{};
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std::atomic<float>* reverbWetLevel{};
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std::atomic<float>* reverbDryLevel{};
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std::atomic<float>* reverbWidth{};
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std::atomic<float>* reverbFreezeMode{};
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// Flanger
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std::atomic<float>* flangerRate{};
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std::atomic<float>* flangerDepth{};
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std::atomic<float>* flangerFeedback{};
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std::atomic<float>* flangerDryMix{};
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std::atomic<float>* flangerPhase{};
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std::atomic<float>* flangerDelay{};
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// Filter (base)
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std::atomic<float>* filterCutoff{};
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std::atomic<float>* filterResonance{};
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std::atomic<float>* filterType{};
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std::atomic<float>* filterDrive{};
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std::atomic<float>* filterMod{};
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std::atomic<float>* filterKey{};
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// Filter Env (polyphonic)
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std::atomic<float>* fenvAttack{};
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std::atomic<float>* fenvDecay{};
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std::atomic<float>* fenvSustain{};
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std::atomic<float>* fenvRelease{};
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std::atomic<float>* fenvAmount{}; // +/- octaves
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// Distortion
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std::atomic<float>* distortionDrive{};
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std::atomic<float>* distortionMix{};
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std::atomic<float>* distortionBias{};
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std::atomic<float>* distortionTone{};
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std::atomic<float>* distortionShape{};
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// Per-panel bypass (AudioParameterBool, exposed as float 0/1 via getRawParameterValue)
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std::atomic<float>* chorusOn{};
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std::atomic<float>* delayOn{};
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std::atomic<float>* reverbOn{};
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std::atomic<float>* flangerOn{};
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std::atomic<float>* distortionOn{};
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std::atomic<float>* filterOn{};
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std::atomic<float>* eqOn{};
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// EQ + Master
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std::atomic<float>* lowGainDbls{};
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std::atomic<float>* midGainDbls{};
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std::atomic<float>* highGainDbls{};
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std::atomic<float>* masterDbls{};
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};
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170
Source/PluginEditor.cpp
Normal file
170
Source/PluginEditor.cpp
Normal file
@@ -0,0 +1,170 @@
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#include "PluginProcessor.h"
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||||
#include "PluginEditor.h"
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||||
#include "ScopeComponent.h"
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||||
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||||
//==============================================================================
|
||||
NeuralSynthAudioProcessorEditor::NeuralSynthAudioProcessorEditor (NeuralSynthAudioProcessor& p)
|
||||
: AudioProcessorEditor (&p),
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||||
audioProcessor (p),
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||||
mainScopeComponent(audioProcessor.getAudioBufferQueue())
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||||
{
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||||
auto& tree = audioProcessor.parameters;
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||||
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||||
addAndMakeVisible(mainScopeComponent);
|
||||
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||||
waveformSelector.setModel(&waveformContents);
|
||||
waveformContents.onSelect = [this](int row)
|
||||
{
|
||||
// write to the parameter so voices update safely
|
||||
audioProcessor.parameters.getParameterAsValue("waveform") = (float)juce::jlimit(0, 3, row);
|
||||
};
|
||||
addAndMakeVisible(waveformSelector);
|
||||
|
||||
// --- Panels ---
|
||||
adsrComponent.emplace(tree, "adsr", "Amp Env");
|
||||
adsrComponent->enableGraphScope([this](float x) {
|
||||
auto& tree = this->audioProcessor.parameters;
|
||||
|
||||
float A = tree.getParameter("adsr_attack")->getValue();
|
||||
float D = tree.getParameter("adsr_decay")->getValue();
|
||||
float S = tree.getParameter("adsr_sustain")->getValue();
|
||||
float R = tree.getParameter("adsr_release")->getValue();
|
||||
|
||||
const float sustainLen = 1.0f;
|
||||
const float total = A + D + sustainLen + R;
|
||||
A /= total; D /= total; R /= total;
|
||||
|
||||
float m = 0.0f, c = 0.0f;
|
||||
if (x < A) { m = 1.0f / A; c = 0.0f; }
|
||||
else if (x < A + D) { m = (S - 1.0f) / D; c = 1.0f - m * A; }
|
||||
else if (x < A + D + (sustainLen / total)) { m = 0.0f; c = S; }
|
||||
else { m = (S / -R); c = -m; }
|
||||
return m * x + c;
|
||||
});
|
||||
addAndMakeVisible(*adsrComponent);
|
||||
|
||||
chorusComponent.emplace(tree, "chorus", "Chorus");
|
||||
chorusComponent->enableSampleScope(audioProcessor.getChorusAudioBufferQueue());
|
||||
addAndMakeVisible(*chorusComponent);
|
||||
|
||||
delayComponent.emplace(tree, "delay", "Delay");
|
||||
delayComponent->enableSampleScope(audioProcessor.getDelayAudioBufferQueue());
|
||||
addAndMakeVisible(*delayComponent);
|
||||
|
||||
reverbComponent.emplace(tree, "reverb", "Reverb");
|
||||
reverbComponent->enableSampleScope(audioProcessor.getReverbAudioBufferQueue());
|
||||
addAndMakeVisible(*reverbComponent);
|
||||
|
||||
eqComponent.emplace(tree, "EQ");
|
||||
addAndMakeVisible(*eqComponent);
|
||||
|
||||
flangerComponent.emplace(tree, "flanger", "Flanger");
|
||||
flangerComponent->enableSampleScope(audioProcessor.getFlangerAudioBufferQueue());
|
||||
addAndMakeVisible(*flangerComponent);
|
||||
|
||||
distortionComponent.emplace(tree, "distortion", "Distortion");
|
||||
distortionComponent->enableSampleScope(audioProcessor.getDistortionAudioBufferQueue());
|
||||
addAndMakeVisible(*distortionComponent);
|
||||
|
||||
filterComponent.emplace(tree, "filter", "Filter");
|
||||
filterComponent->enableSampleScope(audioProcessor.getFilterAudioBufferQueue());
|
||||
addAndMakeVisible(*filterComponent);
|
||||
|
||||
filterEnvComponent.emplace(tree, "fenv", "Filter Env");
|
||||
filterEnvComponent->enableGraphScope([this](float x) {
|
||||
auto& tree = this->audioProcessor.parameters;
|
||||
|
||||
float A = tree.getParameter("fenv_attack")->getValue();
|
||||
float D = tree.getParameter("fenv_decay")->getValue();
|
||||
float S = tree.getParameter("fenv_sustain")->getValue();
|
||||
float R = tree.getParameter("fenv_release")->getValue();
|
||||
|
||||
const float sustainLen = 1.0f;
|
||||
const float total = A + D + sustainLen + R;
|
||||
A /= total; D /= total; R /= total;
|
||||
|
||||
float m = 0.0f, c = 0.0f;
|
||||
if (x < A) { m = 1.0f / A; c = 0.0f; }
|
||||
else if (x < A + D) { m = (S - 1.0f) / D; c = 1.0f - m * A; }
|
||||
else if (x < A + D + (sustainLen / total)) { m = 0.0f; c = S; }
|
||||
else { m = (S / -R); c = -m; }
|
||||
return m * x + c;
|
||||
});
|
||||
addAndMakeVisible(*filterEnvComponent);
|
||||
|
||||
// Master fader + label
|
||||
addAndMakeVisible(masterLevelSlider);
|
||||
masterLevelLabel.setText("Master", juce::dontSendNotification);
|
||||
{
|
||||
juce::Font f; f.setHeight(12.0f); f.setBold(true);
|
||||
masterLevelLabel.setFont(f);
|
||||
}
|
||||
masterLevelLabel.setJustificationType(juce::Justification::centred);
|
||||
addAndMakeVisible(masterLevelLabel);
|
||||
|
||||
// Blank placeholder
|
||||
addAndMakeVisible(blankPanel);
|
||||
|
||||
// Attach master parameter
|
||||
gainAttachment = std::make_unique<juce::AudioProcessorValueTreeState::SliderAttachment>(
|
||||
audioProcessor.parameters, "master", masterLevelSlider.slider);
|
||||
|
||||
setSize(1400, 720);
|
||||
}
|
||||
|
||||
//==============================================================================
|
||||
NeuralSynthAudioProcessorEditor::~NeuralSynthAudioProcessorEditor() = default;
|
||||
|
||||
//==============================================================================
|
||||
void NeuralSynthAudioProcessorEditor::paint (juce::Graphics& g)
|
||||
{
|
||||
g.fillAll(getLookAndFeel().findColour (juce::ResizableWindow::backgroundColourId));
|
||||
}
|
||||
|
||||
//==============================================================================
|
||||
void NeuralSynthAudioProcessorEditor::resized()
|
||||
{
|
||||
auto bounds = getLocalBounds().reduced(16);
|
||||
|
||||
juce::Grid grid;
|
||||
|
||||
grid.templateRows = {
|
||||
juce::Grid::TrackInfo(juce::Grid::Fr(20)), // scope row
|
||||
juce::Grid::TrackInfo(juce::Grid::Fr(40)), // row 1
|
||||
juce::Grid::TrackInfo(juce::Grid::Fr(40)) // row 2
|
||||
};
|
||||
|
||||
// 6 columns: 5 content + 1 sidebar (waveform+master)
|
||||
grid.templateColumns = {
|
||||
juce::Grid::TrackInfo(juce::Grid::Fr(18)),
|
||||
juce::Grid::TrackInfo(juce::Grid::Fr(18)),
|
||||
juce::Grid::TrackInfo(juce::Grid::Fr(18)),
|
||||
juce::Grid::TrackInfo(juce::Grid::Fr(18)),
|
||||
juce::Grid::TrackInfo(juce::Grid::Fr(18)),
|
||||
juce::Grid::TrackInfo(juce::Grid::Fr(10))
|
||||
};
|
||||
|
||||
// Row 0
|
||||
grid.items.add(juce::GridItem(mainScopeComponent)
|
||||
.withArea(juce::GridItem::Span(1), juce::GridItem::Span(5)));
|
||||
grid.items.add(juce::GridItem(waveformSelector)
|
||||
.withArea(juce::GridItem::Span(1), juce::GridItem::Span(1)));
|
||||
|
||||
// Row 1
|
||||
grid.items.add(juce::GridItem(*adsrComponent));
|
||||
grid.items.add(juce::GridItem(*chorusComponent));
|
||||
grid.items.add(juce::GridItem(*delayComponent));
|
||||
grid.items.add(juce::GridItem(*reverbComponent));
|
||||
grid.items.add(juce::GridItem(*eqComponent));
|
||||
grid.items.add(juce::GridItem(masterLevelLabel));
|
||||
|
||||
// Row 2
|
||||
grid.items.add(juce::GridItem(*flangerComponent));
|
||||
grid.items.add(juce::GridItem(*distortionComponent));
|
||||
grid.items.add(juce::GridItem(*filterComponent));
|
||||
grid.items.add(juce::GridItem(*filterEnvComponent));
|
||||
grid.items.add(juce::GridItem(blankPanel));
|
||||
grid.items.add(juce::GridItem(masterLevelSlider));
|
||||
|
||||
grid.performLayout(bounds);
|
||||
}
|
||||
341
Source/PluginEditor.h
Normal file
341
Source/PluginEditor.h
Normal file
@@ -0,0 +1,341 @@
|
||||
#pragma once
|
||||
|
||||
#include <JuceHeader.h>
|
||||
#include "PluginProcessor.h"
|
||||
#include "GraphComponent.h"
|
||||
#include "ScopeComponent.h"
|
||||
|
||||
//============================== ScopeSliderComponent ==========================
|
||||
// A generic panel: optional scope/graph + rotary sliders + labels.
|
||||
// Adds a per-panel "On" toggle (bound to "<group>_on").
|
||||
class ScopeSliderComponent : public juce::Component {
|
||||
static const int fontSize = 11;
|
||||
|
||||
public:
|
||||
ScopeSliderComponent(juce::AudioProcessorValueTreeState& tree,
|
||||
const std::string paramGroup,
|
||||
const juce::String& titleText = {})
|
||||
: paramGroupId(paramGroup), treeRef(tree)
|
||||
{
|
||||
const auto& sliderDetails = PARAM_SETTINGS.at(paramGroup);
|
||||
|
||||
for (const auto& [name, sliderDetail] : sliderDetails) {
|
||||
sliders.push_back(std::make_unique<juce::Slider>());
|
||||
labels.push_back(std::make_unique<juce::Label>());
|
||||
attachments.push_back(std::make_unique<juce::AudioProcessorValueTreeState::SliderAttachment>(
|
||||
tree, paramGroup + "_" + name, *sliders.back()));
|
||||
|
||||
labels.back()->setText(sliderDetail.label, juce::dontSendNotification);
|
||||
sliders.back()->setRange(sliderDetail.min, sliderDetail.max);
|
||||
}
|
||||
|
||||
for (auto& slider : sliders)
|
||||
{
|
||||
slider->setSliderStyle(juce::Slider::Rotary);
|
||||
slider->setTextBoxStyle(juce::Slider::TextBoxBelow, false, 50, 20);
|
||||
addAndMakeVisible(*slider);
|
||||
}
|
||||
|
||||
for (auto& label : labels)
|
||||
{
|
||||
juce::Font f; f.setHeight((float)fontSize); f.setBold(true);
|
||||
label->setFont(f);
|
||||
label->setColour(juce::Label::textColourId, juce::Colours::lightgreen);
|
||||
label->setJustificationType(juce::Justification::centred);
|
||||
addAndMakeVisible(*label);
|
||||
}
|
||||
|
||||
if (titleText.isNotEmpty())
|
||||
{
|
||||
titleLabel.setText(titleText, juce::dontSendNotification);
|
||||
juce::Font tf; tf.setHeight(12.0f); tf.setBold(true);
|
||||
titleLabel.setFont(tf);
|
||||
titleLabel.setJustificationType(juce::Justification::centredLeft);
|
||||
titleLabel.setColour(juce::Label::textColourId, juce::Colours::white);
|
||||
addAndMakeVisible(titleLabel);
|
||||
}
|
||||
|
||||
// Bypass toggle (per panel), id "<group>_on"
|
||||
bypassButton.setButtonText("On");
|
||||
bypassButton.setClickingTogglesState(true);
|
||||
addAndMakeVisible(bypassButton);
|
||||
bypassAttachment = std::make_unique<juce::AudioProcessorValueTreeState::ButtonAttachment>(
|
||||
treeRef, paramGroupId + "_on", bypassButton);
|
||||
}
|
||||
|
||||
void enableSampleScope(AudioBufferQueue<float>& audioBufferQueue) {
|
||||
scope.emplace(audioBufferQueue);
|
||||
useGraphScope = false;
|
||||
addAndMakeVisible(*scope);
|
||||
}
|
||||
|
||||
void enableGraphScope(const std::function<float(float)>& func) {
|
||||
graphScope.emplace(0.0f, 1.0f, 100);
|
||||
graphScope->setFunction(func);
|
||||
useGraphScope = true;
|
||||
addAndMakeVisible(*graphScope);
|
||||
}
|
||||
|
||||
private:
|
||||
void paint(juce::Graphics& g) override
|
||||
{
|
||||
g.fillAll(juce::Colours::darkgrey);
|
||||
g.setColour(juce::Colours::white);
|
||||
g.drawRect(getLocalBounds());
|
||||
}
|
||||
|
||||
void resized() override
|
||||
{
|
||||
// --- Top bar (manual) ----------------------------------------------
|
||||
auto area = getLocalBounds().reduced(10);
|
||||
auto top = area.removeFromTop(22);
|
||||
auto btnW = 46;
|
||||
bypassButton.setBounds(top.removeFromRight(btnW).reduced(2, 1));
|
||||
titleLabel.setBounds(top);
|
||||
|
||||
// --- Rest (grid) ----------------------------------------------------
|
||||
juce::Grid grid;
|
||||
grid.templateRows = {
|
||||
juce::Grid::TrackInfo(juce::Grid::Fr(55)), // scope/graph
|
||||
juce::Grid::TrackInfo(juce::Grid::Fr(30)), // sliders
|
||||
juce::Grid::TrackInfo(juce::Grid::Fr(15)) // labels
|
||||
};
|
||||
|
||||
const int n = (int)sliders.size();
|
||||
grid.templateColumns.resize(n);
|
||||
for (int i = 0; i < n; ++i)
|
||||
grid.templateColumns.getReference(i) = juce::Grid::TrackInfo(juce::Grid::Fr(1));
|
||||
|
||||
grid.items.clear();
|
||||
|
||||
// Row 1: scope/graph – only add if constructed
|
||||
if (useGraphScope)
|
||||
{
|
||||
if (graphScope)
|
||||
grid.items.add(juce::GridItem(*graphScope)
|
||||
.withArea(juce::GridItem::Span(1), juce::GridItem::Span(n)));
|
||||
else
|
||||
grid.items.add(juce::GridItem()
|
||||
.withArea(juce::GridItem::Span(1), juce::GridItem::Span(n)));
|
||||
}
|
||||
else
|
||||
{
|
||||
if (scope)
|
||||
grid.items.add(juce::GridItem(*scope)
|
||||
.withArea(juce::GridItem::Span(1), juce::GridItem::Span(n)));
|
||||
else
|
||||
grid.items.add(juce::GridItem()
|
||||
.withArea(juce::GridItem::Span(1), juce::GridItem::Span(n)));
|
||||
}
|
||||
|
||||
// Row 2: sliders
|
||||
for (int i = 0; i < n; ++i)
|
||||
grid.items.add(juce::GridItem(*sliders[(size_t)i]));
|
||||
|
||||
// Row 3: labels
|
||||
for (int i = 0; i < n; ++i)
|
||||
grid.items.add(juce::GridItem(*labels[(size_t)i]));
|
||||
|
||||
grid.performLayout(area);
|
||||
}
|
||||
|
||||
bool useGraphScope{ false };
|
||||
std::optional<ScopeComponent<float>> scope;
|
||||
std::optional<GraphComponent<float>> graphScope;
|
||||
|
||||
std::vector<std::unique_ptr<juce::Slider>> sliders;
|
||||
std::vector<std::unique_ptr<juce::Label>> labels;
|
||||
std::vector<std::unique_ptr<juce::AudioProcessorValueTreeState::SliderAttachment>> attachments;
|
||||
|
||||
juce::ToggleButton bypassButton;
|
||||
std::unique_ptr<juce::AudioProcessorValueTreeState::ButtonAttachment> bypassAttachment;
|
||||
|
||||
juce::Label titleLabel;
|
||||
|
||||
std::string paramGroupId;
|
||||
juce::AudioProcessorValueTreeState& treeRef;
|
||||
};
|
||||
|
||||
//============================== EqualizerComponent ============================
|
||||
// Adds an On/Off toggle bound to "eq_on".
|
||||
class EqualizerComponent : public juce::Component {
|
||||
static const int fontSize = 11;
|
||||
|
||||
public:
|
||||
explicit EqualizerComponent(juce::AudioProcessorValueTreeState& tree,
|
||||
const juce::String& titleText = {})
|
||||
{
|
||||
setupSlider(lowGainSlider);
|
||||
setupSlider(midGainSlider);
|
||||
setupSlider(highGainSlider);
|
||||
|
||||
setupLabel(lowGainLabel, "L");
|
||||
setupLabel(midGainLabel, "M");
|
||||
setupLabel(highGainLabel, "H");
|
||||
|
||||
if (titleText.isNotEmpty())
|
||||
{
|
||||
titleLabel.setText(titleText, juce::dontSendNotification);
|
||||
juce::Font tf; tf.setHeight(13.0f); tf.setBold(true);
|
||||
titleLabel.setFont(tf);
|
||||
titleLabel.setJustificationType(juce::Justification::centredLeft);
|
||||
titleLabel.setColour(juce::Label::textColourId, juce::Colours::white);
|
||||
addAndMakeVisible(titleLabel);
|
||||
}
|
||||
|
||||
// Attachments
|
||||
lowGainAttachment = std::make_unique<juce::AudioProcessorValueTreeState::SliderAttachment>(tree, "lowEQ", lowGainSlider);
|
||||
midGainAttachment = std::make_unique<juce::AudioProcessorValueTreeState::SliderAttachment>(tree, "midEQ", midGainSlider);
|
||||
highGainAttachment = std::make_unique<juce::AudioProcessorValueTreeState::SliderAttachment>(tree, "highEQ", highGainSlider);
|
||||
|
||||
// EQ bypass toggle
|
||||
bypassButton.setButtonText("On");
|
||||
bypassButton.setClickingTogglesState(true);
|
||||
addAndMakeVisible(bypassButton);
|
||||
bypassAttachment = std::make_unique<juce::AudioProcessorValueTreeState::ButtonAttachment>(tree, "eq_on", bypassButton);
|
||||
}
|
||||
|
||||
private:
|
||||
void setupSlider(juce::Slider& slider) {
|
||||
slider.setRange(-24.0f, 24.0f, 0.1f);
|
||||
slider.setSliderStyle(juce::Slider::LinearBarVertical);
|
||||
slider.setTextBoxStyle(juce::Slider::TextBoxBelow, false, 50, 20);
|
||||
addAndMakeVisible(slider);
|
||||
}
|
||||
|
||||
void setupLabel(juce::Label& lbl, juce::String txt) {
|
||||
juce::Font f; f.setHeight((float)fontSize); f.setBold(true);
|
||||
lbl.setFont(f);
|
||||
lbl.setColour(juce::Label::textColourId, juce::Colours::lightgreen);
|
||||
lbl.setJustificationType(juce::Justification::centred);
|
||||
lbl.setText(txt, juce::dontSendNotification);
|
||||
addAndMakeVisible(lbl);
|
||||
}
|
||||
|
||||
void paint(juce::Graphics& g) override {
|
||||
g.fillAll(juce::Colours::darkgrey);
|
||||
g.setColour(juce::Colours::white);
|
||||
g.drawRect(getLocalBounds());
|
||||
}
|
||||
|
||||
void resized() override {
|
||||
auto area = getLocalBounds().reduced(10);
|
||||
auto top = area.removeFromTop(22);
|
||||
auto btnW = 46;
|
||||
bypassButton.setBounds(top.removeFromRight(btnW).reduced(2, 1));
|
||||
titleLabel.setBounds(top);
|
||||
|
||||
juce::Grid grid;
|
||||
grid.templateRows = {
|
||||
juce::Grid::TrackInfo(juce::Grid::Fr(1)),
|
||||
juce::Grid::TrackInfo(juce::Grid::Fr(1))
|
||||
};
|
||||
grid.templateColumns = {
|
||||
juce::Grid::TrackInfo(juce::Grid::Fr(1)),
|
||||
juce::Grid::TrackInfo(juce::Grid::Fr(1)),
|
||||
juce::Grid::TrackInfo(juce::Grid::Fr(1))
|
||||
};
|
||||
|
||||
grid.items = {
|
||||
lowGainSlider, midGainSlider, highGainSlider,
|
||||
lowGainLabel, midGainLabel, highGainLabel
|
||||
};
|
||||
|
||||
grid.performLayout(area);
|
||||
}
|
||||
|
||||
juce::Slider lowGainSlider, midGainSlider, highGainSlider;
|
||||
juce::Label lowGainLabel, midGainLabel, highGainLabel;
|
||||
std::unique_ptr<juce::AudioProcessorValueTreeState::SliderAttachment> lowGainAttachment, midGainAttachment, highGainAttachment;
|
||||
|
||||
juce::ToggleButton bypassButton;
|
||||
std::unique_ptr<juce::AudioProcessorValueTreeState::ButtonAttachment> bypassAttachment;
|
||||
|
||||
juce::Label titleLabel;
|
||||
};
|
||||
|
||||
//============================== Waveform List Model ===========================
|
||||
struct WaveformSelectorContents final : public juce::ListBoxModel
|
||||
{
|
||||
int getNumRows() override { return 4; }
|
||||
|
||||
void paintListBoxItem(int rowNumber, juce::Graphics& g,
|
||||
int width, int height, bool rowIsSelected) override
|
||||
{
|
||||
if (rowIsSelected) g.fillAll(juce::Colours::lightblue);
|
||||
g.setColour(juce::LookAndFeel::getDefaultLookAndFeel()
|
||||
.findColour(juce::Label::textColourId));
|
||||
|
||||
juce::Font f; f.setHeight((float)height * 0.7f);
|
||||
g.setFont(f);
|
||||
g.drawText(waves[(size_t)rowNumber], 5, 0, width, height,
|
||||
juce::Justification::centredLeft, true);
|
||||
}
|
||||
|
||||
void selectedRowsChanged (int lastRowSelected) override
|
||||
{
|
||||
if (onSelect) onSelect(lastRowSelected);
|
||||
}
|
||||
|
||||
std::function<void (int)> onSelect;
|
||||
|
||||
std::vector<juce::String> waves { "Sine", "Saw", "Square", "Triangle" };
|
||||
};
|
||||
|
||||
//============================== MasterVolumeComponent =========================
|
||||
class MasterVolumeComponent : public juce::Component
|
||||
{
|
||||
public:
|
||||
MasterVolumeComponent()
|
||||
{
|
||||
slider.setSliderStyle(juce::Slider::LinearBarVertical);
|
||||
slider.setTextBoxStyle(juce::Slider::NoTextBox, false, 20, 20);
|
||||
addAndMakeVisible(slider);
|
||||
}
|
||||
|
||||
void resized() override
|
||||
{
|
||||
slider.setBounds(getLocalBounds().reduced(30));
|
||||
}
|
||||
|
||||
juce::Slider slider;
|
||||
};
|
||||
|
||||
//============================== Editor =======================================
|
||||
class NeuralSynthAudioProcessorEditor : public juce::AudioProcessorEditor
|
||||
{
|
||||
public:
|
||||
NeuralSynthAudioProcessorEditor (NeuralSynthAudioProcessor&);
|
||||
~NeuralSynthAudioProcessorEditor() override;
|
||||
|
||||
void paint (juce::Graphics&) override;
|
||||
void resized() override;
|
||||
|
||||
private:
|
||||
NeuralSynthAudioProcessor& audioProcessor;
|
||||
JUCE_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR (NeuralSynthAudioProcessorEditor)
|
||||
|
||||
juce::ListBox waveformSelector;
|
||||
WaveformSelectorContents waveformContents;
|
||||
|
||||
std::optional<ScopeSliderComponent> adsrComponent; // Amp Env
|
||||
std::optional<ScopeSliderComponent> chorusComponent;
|
||||
std::optional<ScopeSliderComponent> delayComponent;
|
||||
std::optional<ScopeSliderComponent> reverbComponent;
|
||||
|
||||
std::optional<ScopeSliderComponent> flangerComponent;
|
||||
std::optional<ScopeSliderComponent> distortionComponent;
|
||||
std::optional<ScopeSliderComponent> filterComponent;
|
||||
std::optional<ScopeSliderComponent> filterEnvComponent; // Filter Env panel
|
||||
|
||||
MasterVolumeComponent masterLevelSlider;
|
||||
juce::Label masterLevelLabel;
|
||||
|
||||
std::optional<EqualizerComponent> eqComponent;
|
||||
|
||||
std::unique_ptr<juce::AudioProcessorValueTreeState::SliderAttachment> gainAttachment;
|
||||
|
||||
ScopeComponent<float> mainScopeComponent;
|
||||
|
||||
juce::Component blankPanel;
|
||||
};
|
||||
270
Source/PluginProcessor.cpp
Normal file
270
Source/PluginProcessor.cpp
Normal file
@@ -0,0 +1,270 @@
|
||||
#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);
|
||||
|
||||
// === 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 });
|
||||
midiMessageCollector.reset(sampleRate);
|
||||
}
|
||||
|
||||
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();
|
||||
|
||||
midiMessageCollector.removeNextBlockOfMessages(midiMessages, buffer.getNumSamples());
|
||||
|
||||
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));
|
||||
|
||||
// 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() };
|
||||
}
|
||||
90
Source/PluginProcessor.h
Normal file
90
Source/PluginProcessor.h
Normal file
@@ -0,0 +1,90 @@
|
||||
#pragma once
|
||||
|
||||
#include <JuceHeader.h>
|
||||
#include "AudioBufferQueue.h"
|
||||
#include "AudioEngine.h"
|
||||
#include "ScopeDataCollector.h"
|
||||
#include "NeuralSharedParams.h"
|
||||
|
||||
//==============================================================================
|
||||
// Processor
|
||||
class NeuralSynthAudioProcessor : public juce::AudioProcessor,
|
||||
private juce::AudioProcessorValueTreeState::Listener
|
||||
{
|
||||
public:
|
||||
NeuralSynthAudioProcessor();
|
||||
~NeuralSynthAudioProcessor() override;
|
||||
|
||||
// AudioProcessor overrides
|
||||
void prepareToPlay(double sampleRate, int samplesPerBlock) override;
|
||||
void releaseResources() override;
|
||||
|
||||
#ifndef JucePlugin_PreferredChannelConfigurations
|
||||
bool isBusesLayoutSupported(const BusesLayout& layouts) const override;
|
||||
#endif
|
||||
|
||||
void processBlock(juce::AudioBuffer<float>&, juce::MidiBuffer&) override;
|
||||
|
||||
// Editor
|
||||
juce::AudioProcessorEditor* createEditor() override;
|
||||
bool hasEditor() const override;
|
||||
|
||||
// Info
|
||||
const juce::String getName() const override;
|
||||
bool acceptsMidi() const override;
|
||||
bool producesMidi() const override;
|
||||
bool isMidiEffect() const override;
|
||||
double getTailLengthSeconds() const override;
|
||||
|
||||
// Programs
|
||||
int getNumPrograms() override;
|
||||
int getCurrentProgram() override;
|
||||
void setCurrentProgram(int index) override;
|
||||
const juce::String getProgramName(int index) override;
|
||||
void changeProgramName(int index, const juce::String& newName) override;
|
||||
|
||||
// State
|
||||
void getStateInformation(juce::MemoryBlock& destData) override;
|
||||
void setStateInformation(const void* data, int sizeInBytes) override;
|
||||
|
||||
// Parameters
|
||||
void parameterChanged(const juce::String& id, float newValue) override;
|
||||
void buildParams(std::vector<std::unique_ptr<juce::RangedAudioParameter>>& params,
|
||||
const std::string& paramGroup);
|
||||
juce::AudioProcessorValueTreeState::ParameterLayout createParameterLayout();
|
||||
|
||||
// Utilities
|
||||
juce::MidiMessageCollector& getMidiMessageCollector() noexcept { return midiMessageCollector; }
|
||||
AudioBufferQueue<float>& getAudioBufferQueue() noexcept { return audioBufferQueue; }
|
||||
|
||||
AudioBufferQueue<float>& getChorusAudioBufferQueue() noexcept { return chorusBufferQueue; }
|
||||
AudioBufferQueue<float>& getDelayAudioBufferQueue() noexcept { return delayBufferQueue; }
|
||||
AudioBufferQueue<float>& getReverbAudioBufferQueue() noexcept { return reverbBufferQueue; }
|
||||
AudioBufferQueue<float>& getFlangerAudioBufferQueue() noexcept { return flangerBufferQueue; }
|
||||
AudioBufferQueue<float>& getDistortionAudioBufferQueue() noexcept { return distortionBufferQueue; }
|
||||
AudioBufferQueue<float>& getFilterAudioBufferQueue() noexcept { return filterBufferQueue; }
|
||||
|
||||
// Public members (by JUCE convention)
|
||||
juce::MidiMessageCollector midiMessageCollector;
|
||||
juce::AudioProcessorValueTreeState parameters;
|
||||
|
||||
private:
|
||||
JUCE_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR (NeuralSynthAudioProcessor)
|
||||
|
||||
// ---- IMPORTANT ORDER FIX ----
|
||||
// Objects are constructed in THIS order. 'sp' must come BEFORE audioEngine.
|
||||
NeuralSharedParams sp; // <— construct first
|
||||
NeuralAudioEngine audioEngine; // needs a valid reference to 'sp'
|
||||
|
||||
// Meter/scope queues
|
||||
AudioBufferQueue<float> audioBufferQueue;
|
||||
AudioBufferQueue<float> chorusBufferQueue;
|
||||
AudioBufferQueue<float> delayBufferQueue;
|
||||
AudioBufferQueue<float> reverbBufferQueue;
|
||||
AudioBufferQueue<float> flangerBufferQueue;
|
||||
AudioBufferQueue<float> distortionBufferQueue;
|
||||
AudioBufferQueue<float> filterBufferQueue;
|
||||
|
||||
// Scope collector (uses audioBufferQueue, so declare after it)
|
||||
ScopeDataCollector<float> scopeDataCollector { audioBufferQueue };
|
||||
};
|
||||
102
Source/ScopeComponent.h
Normal file
102
Source/ScopeComponent.h
Normal file
@@ -0,0 +1,102 @@
|
||||
#pragma once
|
||||
|
||||
#include "AudioBufferQueue.h"
|
||||
|
||||
//==============================================================================
|
||||
template <typename SampleType>
|
||||
class ScopeComponent : public juce::Component,
|
||||
private juce::Timer
|
||||
{
|
||||
public:
|
||||
using Queue = AudioBufferQueue<SampleType>;
|
||||
|
||||
//==============================================================================
|
||||
ScopeComponent(Queue& queueToUse)
|
||||
: audioBufferQueue(queueToUse)
|
||||
{
|
||||
sampleData.fill(SampleType(0));
|
||||
setFramesPerSecond(30);
|
||||
}
|
||||
|
||||
//==============================================================================
|
||||
void setFramesPerSecond(int framesPerSecond)
|
||||
{
|
||||
jassert(framesPerSecond > 0 && framesPerSecond < 1000);
|
||||
startTimerHz(framesPerSecond);
|
||||
}
|
||||
|
||||
//==============================================================================
|
||||
void paint(juce::Graphics& g) override
|
||||
{
|
||||
g.fillAll(juce::Colours::black);
|
||||
g.setColour(juce::Colours::white);
|
||||
|
||||
auto area = getLocalBounds();
|
||||
auto h = (SampleType)area.getHeight();
|
||||
auto w = (SampleType)area.getWidth();
|
||||
|
||||
// Oscilloscope
|
||||
auto scopeRect = juce::Rectangle<SampleType>{ SampleType(0), SampleType(0), w, h / 2 };
|
||||
plot(sampleData.data(), sampleData.size(), g, scopeRect, SampleType(1), h / 4);
|
||||
|
||||
// Spectrum
|
||||
auto spectrumRect = juce::Rectangle<SampleType>{ SampleType(0), h / 2, w, h / 2 };
|
||||
plot(spectrumData.data(), spectrumData.size() / 4, g, spectrumRect);
|
||||
}
|
||||
|
||||
//==============================================================================
|
||||
void resized() override {}
|
||||
|
||||
private:
|
||||
//==============================================================================
|
||||
Queue& audioBufferQueue;
|
||||
std::array<SampleType, Queue::bufferSize> sampleData;
|
||||
|
||||
juce::dsp::FFT fft{ Queue::order };
|
||||
using WindowFun = juce::dsp::WindowingFunction<SampleType>;
|
||||
WindowFun windowFun{ (size_t)fft.getSize(), WindowFun::hann };
|
||||
std::array<SampleType, 2 * Queue::bufferSize> spectrumData;
|
||||
|
||||
//==============================================================================
|
||||
void timerCallback() override
|
||||
{
|
||||
audioBufferQueue.pop(sampleData.data());
|
||||
juce::FloatVectorOperations::copy(spectrumData.data(), sampleData.data(), (int)sampleData.size());
|
||||
|
||||
auto fftSize = (size_t)fft.getSize();
|
||||
|
||||
jassert(spectrumData.size() == 2 * fftSize);
|
||||
windowFun.multiplyWithWindowingTable(spectrumData.data(), fftSize);
|
||||
fft.performFrequencyOnlyForwardTransform(spectrumData.data());
|
||||
|
||||
static constexpr auto mindB = SampleType(-160);
|
||||
static constexpr auto maxdB = SampleType(0);
|
||||
|
||||
for (auto& s : spectrumData)
|
||||
s = juce::jmap(juce::jlimit(mindB, maxdB, juce::Decibels::gainToDecibels(s) - juce::Decibels::gainToDecibels(SampleType(fftSize))), mindB, maxdB, SampleType(0), SampleType(1));
|
||||
|
||||
repaint();
|
||||
}
|
||||
|
||||
//==============================================================================
|
||||
static void plot(const SampleType* data,
|
||||
size_t numSamples,
|
||||
juce::Graphics& g,
|
||||
juce::Rectangle<SampleType> rect,
|
||||
SampleType scaler = SampleType(1),
|
||||
SampleType offset = SampleType(0))
|
||||
{
|
||||
auto w = rect.getWidth();
|
||||
auto h = rect.getHeight();
|
||||
auto right = rect.getRight();
|
||||
|
||||
auto center = rect.getBottom() - offset;
|
||||
auto gain = h * scaler;
|
||||
|
||||
for (size_t i = 1; i < numSamples; ++i)
|
||||
g.drawLine({ juce::jmap(SampleType(i - 1), SampleType(0), SampleType(numSamples - 1), SampleType(right - w), SampleType(right)),
|
||||
center - gain * data[i - 1],
|
||||
juce::jmap(SampleType(i), SampleType(0), SampleType(numSamples - 1), SampleType(right - w), SampleType(right)),
|
||||
center - gain * data[i] });
|
||||
}
|
||||
};
|
||||
62
Source/ScopeDataCollector.h
Normal file
62
Source/ScopeDataCollector.h
Normal file
@@ -0,0 +1,62 @@
|
||||
#pragma once
|
||||
|
||||
template <typename SampleType>
|
||||
class ScopeDataCollector
|
||||
{
|
||||
public:
|
||||
//==============================================================================
|
||||
ScopeDataCollector(AudioBufferQueue<SampleType>& queueToUse)
|
||||
: audioBufferQueue(queueToUse)
|
||||
{
|
||||
}
|
||||
|
||||
//==============================================================================
|
||||
void process(const SampleType* data, size_t numSamples)
|
||||
{
|
||||
size_t index = 0;
|
||||
|
||||
if (state == State::waitingForTrigger)
|
||||
{
|
||||
while (index++ < numSamples)
|
||||
{
|
||||
auto currentSample = *data++;
|
||||
|
||||
if (currentSample >= triggerLevel && prevSample < triggerLevel)
|
||||
{
|
||||
numCollected = 0;
|
||||
state = State::collecting;
|
||||
break;
|
||||
}
|
||||
|
||||
prevSample = currentSample;
|
||||
}
|
||||
}
|
||||
|
||||
if (state == State::collecting)
|
||||
{
|
||||
while (index++ < numSamples)
|
||||
{
|
||||
buffer[numCollected++] = *data++;
|
||||
|
||||
if (numCollected == buffer.size())
|
||||
{
|
||||
audioBufferQueue.push(buffer.data(), buffer.size());
|
||||
state = State::waitingForTrigger;
|
||||
prevSample = SampleType(100);
|
||||
break;
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
private:
|
||||
//==============================================================================
|
||||
AudioBufferQueue<SampleType>& audioBufferQueue;
|
||||
std::array<SampleType, AudioBufferQueue<SampleType>::bufferSize> buffer;
|
||||
size_t numCollected;
|
||||
SampleType prevSample = SampleType(100);
|
||||
|
||||
static constexpr auto triggerLevel = SampleType(0.05);
|
||||
|
||||
enum class State { waitingForTrigger, collecting } state{ State::waitingForTrigger };
|
||||
};
|
||||
398
Source/SynthVoice.cpp
Normal file
398
Source/SynthVoice.cpp
Normal file
@@ -0,0 +1,398 @@
|
||||
#include "SynthVoice.h"
|
||||
#include <cmath>
|
||||
|
||||
//==============================================================================
|
||||
|
||||
NeuralSynthVoice::NeuralSynthVoice (NeuralSharedParams& sp)
|
||||
: shared (sp) {}
|
||||
|
||||
//==============================================================================
|
||||
|
||||
void NeuralSynthVoice::prepare (const juce::dsp::ProcessSpec& newSpec)
|
||||
{
|
||||
spec = newSpec;
|
||||
|
||||
// --- Oscillator
|
||||
osc.prepare (spec.sampleRate);
|
||||
setWaveform (0); // default to sine
|
||||
|
||||
// --- Scratch buffer (IMPORTANT: allocate real memory)
|
||||
tempBuffer.setSize ((int) spec.numChannels, (int) spec.maximumBlockSize,
|
||||
false, false, true);
|
||||
tempBlock = juce::dsp::AudioBlock<float> (tempBuffer);
|
||||
|
||||
// --- Prepare chain elements
|
||||
chain.prepare (spec);
|
||||
|
||||
// Set maximum delay sizes BEFORE runtime changes
|
||||
{
|
||||
// Flanger: up to 20 ms
|
||||
auto& flanger = chain.get<flangerIndex>();
|
||||
const size_t maxFlangerDelay = (size_t) juce::jmax<size_t>(
|
||||
1, (size_t) std::ceil (0.020 * spec.sampleRate));
|
||||
flanger.setMaximumDelayInSamples (maxFlangerDelay);
|
||||
flanger.reset();
|
||||
}
|
||||
{
|
||||
// Simple delay: up to 2 s
|
||||
auto& delay = chain.get<delayIndex>();
|
||||
const size_t maxDelay = (size_t) juce::jmax<size_t>(
|
||||
1, (size_t) std::ceil (2.0 * spec.sampleRate));
|
||||
delay.setMaximumDelayInSamples (maxDelay);
|
||||
delay.reset();
|
||||
}
|
||||
|
||||
// Envelopes
|
||||
adsr.setSampleRate (spec.sampleRate);
|
||||
filterAdsr.setSampleRate (spec.sampleRate);
|
||||
|
||||
// Filter
|
||||
svf.reset();
|
||||
svf.prepare (spec);
|
||||
|
||||
// Initial filter type
|
||||
const int type = (int) std::lround (juce::jlimit (0.0f, 2.0f,
|
||||
shared.filterType ? shared.filterType->load() : 0.0f));
|
||||
switch (type)
|
||||
{
|
||||
case 0: svf.setType (juce::dsp::StateVariableTPTFilterType::lowpass); break;
|
||||
case 1: svf.setType (juce::dsp::StateVariableTPTFilterType::highpass); break;
|
||||
case 2: svf.setType (juce::dsp::StateVariableTPTFilterType::bandpass); break;
|
||||
default: break;
|
||||
}
|
||||
}
|
||||
|
||||
//==============================================================================
|
||||
|
||||
void NeuralSynthVoice::renderNextBlock (juce::AudioBuffer<float>& outputBuffer,
|
||||
int startSample, int numSamples)
|
||||
{
|
||||
if (numSamples <= 0)
|
||||
return;
|
||||
|
||||
if (! adsr.isActive())
|
||||
clearCurrentNote();
|
||||
|
||||
// Apply pending waveform change (from GUI / processor thread)
|
||||
const int wf = pendingWaveform.exchange (-1, std::memory_order_acq_rel);
|
||||
if (wf != -1)
|
||||
setWaveform (wf);
|
||||
|
||||
// --- Generate oscillator into temp buffer
|
||||
tempBuffer.clear();
|
||||
const int numCh = juce::jmin ((int) spec.numChannels, tempBuffer.getNumChannels());
|
||||
|
||||
for (int i = 0; i < numSamples; ++i)
|
||||
{
|
||||
const float s = osc.process();
|
||||
for (int ch = 0; ch < numCh; ++ch)
|
||||
tempBuffer.getWritePointer (ch)[i] = s;
|
||||
}
|
||||
|
||||
auto block = tempBlock.getSubBlock (0, (size_t) numSamples);
|
||||
|
||||
// ================================================================
|
||||
// Flanger (pre-filter) – manual per-sample to set varying delay
|
||||
// ================================================================
|
||||
{
|
||||
auto& flanger = chain.get<flangerIndex>();
|
||||
|
||||
const bool enabled = shared.flangerOn && shared.flangerOn->load() > 0.5f;
|
||||
if (enabled)
|
||||
{
|
||||
const float rate = shared.flangerRate ? shared.flangerRate->load() : 0.0f;
|
||||
float lfoPhase = shared.flangerPhase ? shared.flangerPhase->load() : 0.0f;
|
||||
const float flangerDepth = shared.flangerDepth ? shared.flangerDepth->load() : 0.0f; // ms
|
||||
const float mix = shared.flangerDryMix ? shared.flangerDryMix->load() : 0.0f;
|
||||
const float feedback = shared.flangerFeedback ? shared.flangerFeedback->load() : 0.0f;
|
||||
const float baseDelayMs = shared.flangerDelay ? shared.flangerDelay->load() : 0.25f;
|
||||
|
||||
for (int i = 0; i < numSamples; ++i)
|
||||
{
|
||||
const float in = tempBuffer.getReadPointer (0)[i];
|
||||
|
||||
const float lfo = std::sin (lfoPhase);
|
||||
const float delayMs = baseDelayMs + 0.5f * (1.0f + lfo) * flangerDepth;
|
||||
const float delaySamples = juce::jmax (0.0f, delayMs * 0.001f * (float) spec.sampleRate);
|
||||
|
||||
flanger.setDelay (delaySamples);
|
||||
|
||||
const float delayed = flanger.popSample (0);
|
||||
flanger.pushSample (0, in + delayed * feedback);
|
||||
|
||||
const float out = in * (1.0f - mix) + delayed * mix;
|
||||
for (int ch = 0; ch < numCh; ++ch)
|
||||
tempBuffer.getWritePointer (ch)[i] = out;
|
||||
|
||||
lfoPhase += juce::MathConstants<float>::twoPi * rate / (float) spec.sampleRate;
|
||||
if (lfoPhase > juce::MathConstants<float>::twoPi)
|
||||
lfoPhase -= juce::MathConstants<float>::twoPi;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
// ================================================================
|
||||
// Filter with per-sample ADSR modulation (poly)
|
||||
// ================================================================
|
||||
{
|
||||
const bool enabled = shared.filterOn && shared.filterOn->load() > 0.5f;
|
||||
|
||||
// Update filter type every block (cheap)
|
||||
const int ftype = (int) std::lround (juce::jlimit (0.0f, 2.0f,
|
||||
shared.filterType ? shared.filterType->load() : 0.0f));
|
||||
switch (ftype)
|
||||
{
|
||||
case 0: svf.setType (juce::dsp::StateVariableTPTFilterType::lowpass); break;
|
||||
case 1: svf.setType (juce::dsp::StateVariableTPTFilterType::highpass); break;
|
||||
case 2: svf.setType (juce::dsp::StateVariableTPTFilterType::bandpass); break;
|
||||
default: break;
|
||||
}
|
||||
|
||||
const float qOrRes = juce::jlimit (0.1f, 10.0f,
|
||||
shared.filterResonance ? shared.filterResonance->load() : 0.7f);
|
||||
svf.setResonance (qOrRes);
|
||||
|
||||
const float baseCutoff = juce::jlimit (20.0f, 20000.0f,
|
||||
shared.filterCutoff ? shared.filterCutoff->load() : 1000.0f);
|
||||
const float envAmt = shared.fenvAmount ? shared.fenvAmount->load() : 0.0f;
|
||||
|
||||
for (int i = 0; i < numSamples; ++i)
|
||||
{
|
||||
const float envVal = filterAdsr.getNextSample();
|
||||
const float cutoff = juce::jlimit (20.0f, 20000.0f,
|
||||
baseCutoff * std::pow (2.0f, envAmt * envVal));
|
||||
svf.setCutoffFrequency (cutoff);
|
||||
|
||||
if (enabled)
|
||||
{
|
||||
for (int ch = 0; ch < numCh; ++ch)
|
||||
{
|
||||
float x = tempBuffer.getSample (ch, i);
|
||||
x = svf.processSample (ch, x);
|
||||
tempBuffer.setSample (ch, i, x);
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
// ================================================================
|
||||
// Chorus
|
||||
// ================================================================
|
||||
if (shared.chorusOn && shared.chorusOn->load() > 0.5f)
|
||||
{
|
||||
auto& chorus = chain.get<chorusIndex>();
|
||||
if (shared.chorusCentre) chorus.setCentreDelay (shared.chorusCentre->load());
|
||||
if (shared.chorusDepth) chorus.setDepth (shared.chorusDepth->load());
|
||||
if (shared.chorusFeedback) chorus.setFeedback (shared.chorusFeedback->load());
|
||||
if (shared.chorusMix) chorus.setMix (shared.chorusMix->load());
|
||||
if (shared.chorusRate) chorus.setRate (shared.chorusRate->load());
|
||||
|
||||
chain.get<chorusIndex>().process (juce::dsp::ProcessContextReplacing<float> (block));
|
||||
}
|
||||
|
||||
// ================================================================
|
||||
// Simple Delay (per-voice)
|
||||
// ================================================================
|
||||
if (shared.delayOn && shared.delayOn->load() > 0.5f)
|
||||
{
|
||||
auto& delay = chain.get<delayIndex>();
|
||||
const float time = shared.delayTime ? shared.delayTime->load() : 0.1f;
|
||||
delay.setDelay (juce::jmax (0.0f, time * (float) spec.sampleRate));
|
||||
delay.process (juce::dsp::ProcessContextReplacing<float> (block));
|
||||
}
|
||||
|
||||
// ================================================================
|
||||
// Reverb
|
||||
// ================================================================
|
||||
if (shared.reverbOn && shared.reverbOn->load() > 0.5f)
|
||||
{
|
||||
juce::Reverb::Parameters rp;
|
||||
rp.damping = shared.reverbDamping ? shared.reverbDamping->load() : 0.0f;
|
||||
rp.dryLevel = shared.reverbDryLevel ? shared.reverbDryLevel->load() : 0.0f;
|
||||
rp.freezeMode = shared.reverbFreezeMode ? shared.reverbFreezeMode->load() : 0.0f;
|
||||
rp.roomSize = shared.reverbRoomSize ? shared.reverbRoomSize->load() : 0.0f;
|
||||
rp.wetLevel = shared.reverbWetLevel ? shared.reverbWetLevel->load() : 0.0f;
|
||||
rp.width = shared.reverbWidth ? shared.reverbWidth->load() : 0.0f;
|
||||
|
||||
chain.get<reverbIndex>().setParameters (rp);
|
||||
chain.get<reverbIndex>().process (juce::dsp::ProcessContextReplacing<float> (block));
|
||||
}
|
||||
|
||||
// ================================================================
|
||||
// Distortion + tone (post LPF/Peak)
|
||||
// ================================================================
|
||||
{
|
||||
const float driveDb = shared.distortionDrive ? shared.distortionDrive->load() : 0.0f;
|
||||
const float bias = juce::jlimit (-1.0f, 1.0f, shared.distortionBias ? shared.distortionBias->load() : 0.0f);
|
||||
const float toneHz = juce::jlimit (100.0f, 8000.0f, shared.distortionTone ? shared.distortionTone->load() : 3000.0f);
|
||||
const int shape = (int) std::lround (juce::jlimit (0.0f, 2.0f,
|
||||
shared.distortionShape ? shared.distortionShape->load() : 0.0f));
|
||||
const float mix = shared.distortionMix ? shared.distortionMix->load() : 0.0f;
|
||||
|
||||
auto& pre = chain.get<distortionPreGain>();
|
||||
auto& sh = chain.get<distortionIndex>();
|
||||
auto& tone = chain.get<distortionPostLPF>();
|
||||
|
||||
pre.setGainDecibels (driveDb);
|
||||
|
||||
// Explicit std::function target (works on MSVC)
|
||||
if (shape == 0) sh.functionToUse = std::function<float(float)>{ [bias](float x) noexcept { return std::tanh (x + bias); } };
|
||||
else if (shape == 1) sh.functionToUse = std::function<float(float)>{ [bias](float x) noexcept { return juce::jlimit (-1.0f, 1.0f, x + bias); } };
|
||||
else sh.functionToUse = std::function<float(float)>{ [bias](float x) noexcept { return std::atan (x + bias) * (2.0f / juce::MathConstants<float>::pi); } };
|
||||
|
||||
tone.coefficients = juce::dsp::IIR::Coefficients<float>::makePeakFilter (
|
||||
spec.sampleRate, toneHz, 0.707f,
|
||||
juce::Decibels::decibelsToGain (shared.highGainDbls ? shared.highGainDbls->load() : 0.0f));
|
||||
|
||||
if (shared.distortionOn && shared.distortionOn->load() > 0.5f)
|
||||
{
|
||||
// Wet/dry blend around the shaper
|
||||
juce::AudioBuffer<float> dryCopy (tempBuffer.getNumChannels(), numSamples);
|
||||
for (int ch = 0; ch < numCh; ++ch)
|
||||
dryCopy.copyFrom (ch, 0, tempBuffer, ch, 0, numSamples);
|
||||
|
||||
// pre -> shaper -> tone
|
||||
pre.process (juce::dsp::ProcessContextReplacing<float> (block));
|
||||
sh.process (juce::dsp::ProcessContextReplacing<float> (block));
|
||||
tone.process (juce::dsp::ProcessContextReplacing<float> (block));
|
||||
|
||||
const float wet = mix, dry = 1.0f - mix;
|
||||
for (int ch = 0; ch < numCh; ++ch)
|
||||
{
|
||||
auto* d = dryCopy.getReadPointer (ch);
|
||||
auto* w = tempBuffer.getWritePointer (ch);
|
||||
for (int i = 0; i < numSamples; ++i)
|
||||
w[i] = dry * d[i] + wet * w[i];
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
// ================================================================
|
||||
// EQ + Master + Limiter (EQ guarded by eqOn)
|
||||
// ================================================================
|
||||
{
|
||||
const bool eqEnabled = shared.eqOn && shared.eqOn->load() > 0.5f;
|
||||
|
||||
auto& eqL = chain.get<eqLowIndex>();
|
||||
auto& eqM = chain.get<eqMidIndex>();
|
||||
auto& eqH = chain.get<eqHighIndex>();
|
||||
|
||||
if (eqEnabled)
|
||||
{
|
||||
eqL.coefficients = juce::dsp::IIR::Coefficients<float>::makeLowShelf (
|
||||
spec.sampleRate, 100.0f, 0.707f,
|
||||
juce::Decibels::decibelsToGain (shared.lowGainDbls ? shared.lowGainDbls->load() : 0.0f));
|
||||
|
||||
eqM.coefficients = juce::dsp::IIR::Coefficients<float>::makePeakFilter (
|
||||
spec.sampleRate, 1000.0f, 1.0f,
|
||||
juce::Decibels::decibelsToGain (shared.midGainDbls ? shared.midGainDbls->load() : 0.0f));
|
||||
|
||||
eqH.coefficients = juce::dsp::IIR::Coefficients<float>::makePeakFilter (
|
||||
spec.sampleRate, 10000.0f, 0.707f,
|
||||
juce::Decibels::decibelsToGain (shared.highGainDbls ? shared.highGainDbls->load() : 0.0f));
|
||||
|
||||
eqL.process (juce::dsp::ProcessContextReplacing<float> (block));
|
||||
eqM.process (juce::dsp::ProcessContextReplacing<float> (block));
|
||||
eqH.process (juce::dsp::ProcessContextReplacing<float> (block));
|
||||
}
|
||||
|
||||
chain.get<masterIndex>().setGainDecibels (shared.masterDbls ? shared.masterDbls->load() : 0.0f);
|
||||
chain.get<masterIndex>().process (juce::dsp::ProcessContextReplacing<float> (block));
|
||||
|
||||
chain.get<limiterIndex>().process (juce::dsp::ProcessContextReplacing<float> (block));
|
||||
}
|
||||
|
||||
// ================================================================
|
||||
// Apply AMP ADSR envelope
|
||||
// ================================================================
|
||||
{
|
||||
juce::AudioBuffer<float> buf (tempBuffer.getArrayOfWritePointers(), numCh, numSamples);
|
||||
adsr.applyEnvelopeToBuffer (buf, 0, numSamples);
|
||||
}
|
||||
|
||||
// Mix into output
|
||||
juce::dsp::AudioBlock<float> (outputBuffer)
|
||||
.getSubBlock ((size_t) startSample, (size_t) numSamples)
|
||||
.add (block);
|
||||
}
|
||||
|
||||
//==============================================================================
|
||||
|
||||
void NeuralSynthVoice::noteStarted()
|
||||
{
|
||||
const float freqHz = (float) getCurrentlyPlayingNote().getFrequencyInHertz();
|
||||
|
||||
// Oscillator frequency and phase retrigger
|
||||
osc.setFrequency (freqHz);
|
||||
osc.resetPhase (0.0f);
|
||||
|
||||
// Chorus snapshot
|
||||
if (shared.chorusCentre) chain.get<chorusIndex>().setCentreDelay (shared.chorusCentre->load());
|
||||
if (shared.chorusDepth) chain.get<chorusIndex>().setDepth (shared.chorusDepth->load());
|
||||
if (shared.chorusFeedback) chain.get<chorusIndex>().setFeedback (shared.chorusFeedback->load());
|
||||
if (shared.chorusMix) chain.get<chorusIndex>().setMix (shared.chorusMix->load());
|
||||
if (shared.chorusRate) chain.get<chorusIndex>().setRate (shared.chorusRate->load());
|
||||
|
||||
// Delay time (in samples)
|
||||
if (shared.delayTime)
|
||||
chain.get<delayIndex>().setDelay (juce::jmax (0.0f, shared.delayTime->load() * (float) spec.sampleRate));
|
||||
|
||||
// Reverb snapshot
|
||||
juce::Reverb::Parameters rp;
|
||||
rp.damping = shared.reverbDamping ? shared.reverbDamping->load() : 0.0f;
|
||||
rp.dryLevel = shared.reverbDryLevel ? shared.reverbDryLevel->load() : 0.0f;
|
||||
rp.freezeMode = shared.reverbFreezeMode ? shared.reverbFreezeMode->load() : 0.0f;
|
||||
rp.roomSize = shared.reverbRoomSize ? shared.reverbRoomSize->load() : 0.0f;
|
||||
rp.wetLevel = shared.reverbWetLevel ? shared.reverbWetLevel->load() : 0.0f;
|
||||
rp.width = shared.reverbWidth ? shared.reverbWidth->load() : 0.0f;
|
||||
chain.get<reverbIndex>().setParameters (rp);
|
||||
|
||||
// Amp ADSR
|
||||
juce::ADSR::Parameters ap;
|
||||
ap.attack = shared.adsrAttack ? shared.adsrAttack->load() : 0.01f;
|
||||
ap.decay = shared.adsrDecay ? shared.adsrDecay->load() : 0.10f;
|
||||
ap.sustain = shared.adsrSustain ? shared.adsrSustain->load() : 0.80f;
|
||||
ap.release = shared.adsrRelease ? shared.adsrRelease->load() : 0.40f;
|
||||
adsr.setParameters (ap);
|
||||
adsr.noteOn();
|
||||
|
||||
// Filter ADSR
|
||||
juce::ADSR::Parameters fp;
|
||||
fp.attack = shared.fenvAttack ? shared.fenvAttack->load() : 0.01f;
|
||||
fp.decay = shared.fenvDecay ? shared.fenvDecay->load() : 0.10f;
|
||||
fp.sustain = shared.fenvSustain ? shared.fenvSustain->load() : 0.80f;
|
||||
fp.release = shared.fenvRelease ? shared.fenvRelease->load() : 0.40f;
|
||||
filterAdsr.setParameters (fp);
|
||||
filterAdsr.noteOn();
|
||||
}
|
||||
|
||||
//==============================================================================
|
||||
|
||||
void NeuralSynthVoice::notePitchbendChanged()
|
||||
{
|
||||
const float freqHz = (float) getCurrentlyPlayingNote().getFrequencyInHertz();
|
||||
osc.setFrequency (freqHz);
|
||||
}
|
||||
|
||||
//==============================================================================
|
||||
|
||||
void NeuralSynthVoice::noteStopped (bool allowTailOff)
|
||||
{
|
||||
juce::ignoreUnused (allowTailOff);
|
||||
adsr.noteOff();
|
||||
filterAdsr.noteOff();
|
||||
}
|
||||
|
||||
//==============================================================================
|
||||
|
||||
void NeuralSynthVoice::setWaveform (int waveformType)
|
||||
{
|
||||
switch (juce::jlimit (0, 3, waveformType))
|
||||
{
|
||||
case 0: osc.setWave (BlepWave::Sine); break;
|
||||
case 1: osc.setWave (BlepWave::Saw); break;
|
||||
case 2: osc.setWave (BlepWave::Square); break;
|
||||
case 3: osc.setWave (BlepWave::Triangle); break;
|
||||
default: osc.setWave (BlepWave::Sine); break;
|
||||
}
|
||||
}
|
||||
97
Source/SynthVoice.h
Normal file
97
Source/SynthVoice.h
Normal file
@@ -0,0 +1,97 @@
|
||||
#pragma once
|
||||
#include <JuceHeader.h>
|
||||
#include <functional> // <-- for std::function used by WaveShaper
|
||||
#include "NeuralSharedParams.h"
|
||||
#include "BlepOsc.h"
|
||||
|
||||
//==============================================================================
|
||||
// A single polyBLEP oscillator voice with per-voice ADSR, filter ADSR,
|
||||
// flanger (delayline), simple delay, chorus, reverb, distortion, EQ, master.
|
||||
class NeuralSynthVoice : public juce::MPESynthesiserVoice
|
||||
{
|
||||
public:
|
||||
explicit NeuralSynthVoice (NeuralSharedParams& sharedParams);
|
||||
|
||||
// JUCE voice API
|
||||
void prepare (const juce::dsp::ProcessSpec& spec);
|
||||
void renderNextBlock (juce::AudioBuffer<float>& outputBuffer,
|
||||
int startSample, int numSamples) override;
|
||||
|
||||
void noteStarted() override;
|
||||
void noteStopped (bool allowTailOff) override;
|
||||
void notePitchbendChanged() override;
|
||||
|
||||
void notePressureChanged() override {}
|
||||
void noteTimbreChanged() override {}
|
||||
void noteKeyStateChanged() override {}
|
||||
|
||||
// Called from the processor when the GUI waveform param changes
|
||||
void changeWaveform (int wf) { setWaveform (wf); }
|
||||
|
||||
private:
|
||||
void setWaveform (int waveformType);
|
||||
|
||||
//=== Processing chain (without oscillator) ===============================
|
||||
using DelayLine = juce::dsp::DelayLine<float,
|
||||
juce::dsp::DelayLineInterpolationTypes::Linear>;
|
||||
using IIR = juce::dsp::IIR::Filter<float>;
|
||||
using Gain = juce::dsp::Gain<float>;
|
||||
using WaveShaper = juce::dsp::WaveShaper<float, std::function<float(float)>>; // <-- fix
|
||||
using Chorus = juce::dsp::Chorus<float>;
|
||||
using Reverb = juce::dsp::Reverb;
|
||||
using Limiter = juce::dsp::Limiter<float>;
|
||||
|
||||
enum ChainIndex
|
||||
{
|
||||
flangerIndex = 0,
|
||||
delayIndex,
|
||||
chorusIndex,
|
||||
reverbIndex,
|
||||
distortionPreGain,
|
||||
distortionIndex,
|
||||
distortionPostLPF,
|
||||
eqLowIndex,
|
||||
eqMidIndex,
|
||||
eqHighIndex,
|
||||
masterIndex,
|
||||
limiterIndex
|
||||
};
|
||||
|
||||
using Chain = juce::dsp::ProcessorChain<
|
||||
DelayLine, // flanger
|
||||
DelayLine, // simple delay
|
||||
Chorus, // chorus
|
||||
Reverb, // reverb
|
||||
Gain, // distortion pre-gain (drive)
|
||||
WaveShaper, // distortion waveshaper
|
||||
IIR, // tone / post-EQ for distortion
|
||||
IIR, // EQ low
|
||||
IIR, // EQ mid
|
||||
IIR, // EQ high
|
||||
Gain, // master gain
|
||||
Limiter // safety limiter
|
||||
>;
|
||||
|
||||
private:
|
||||
NeuralSharedParams& shared;
|
||||
|
||||
juce::dsp::ProcessSpec spec {};
|
||||
|
||||
// ==== Oscillator (polyBLEP) ============================================
|
||||
BlepOsc osc;
|
||||
std::atomic<int> pendingWaveform {-1}; // set by changeWaveform()
|
||||
|
||||
// ==== Envelopes & Filter ===============================================
|
||||
juce::ADSR adsr;
|
||||
juce::ADSR filterAdsr;
|
||||
juce::dsp::StateVariableTPTFilter<float> svf;
|
||||
|
||||
// ==== Chain (FX, EQ, master, limiter) ==================================
|
||||
Chain chain;
|
||||
|
||||
// ==== Scratch buffer (properly allocated) ===============================
|
||||
juce::AudioBuffer<float> tempBuffer;
|
||||
juce::dsp::AudioBlock<float> tempBlock;
|
||||
|
||||
JUCE_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR (NeuralSynthVoice)
|
||||
};
|
||||
261
Source/WavetableOsc.h
Normal file
261
Source/WavetableOsc.h
Normal file
@@ -0,0 +1,261 @@
|
||||
#pragma once
|
||||
#include <JuceHeader.h>
|
||||
#include <vector>
|
||||
#include <cmath>
|
||||
|
||||
// ============================== Design =======================================
|
||||
// - Bank with F frames, each frame is a single-cycle table of N samples.
|
||||
// - For each frame, we create L mip-levels: level 0 = full bandwidth,
|
||||
// level l halves the permitted harmonics (spectral truncation).
|
||||
// - Runtime chooses level from note frequency and sampleRate, then morphs
|
||||
// between adjacent frames and crossfades between the two nearest levels.
|
||||
// - Table read uses linear interpolation (cheap and good enough with N>=2048).
|
||||
|
||||
namespace WT
|
||||
{
|
||||
// Utility: complex array wrapper for JUCE FFT (interleaved real/imag floats)
|
||||
struct ComplexBuf
|
||||
{
|
||||
std::vector<float> data; // size = 2 * N
|
||||
explicit ComplexBuf(size_t N = 0) { resize(N); }
|
||||
void resize(size_t N) { data.assign(2 * N, 0.0f); }
|
||||
juce::dsp::Complex<float>* asComplex() { return reinterpret_cast<juce::dsp::Complex<float>*>(data.data()); }
|
||||
};
|
||||
|
||||
// =======================================================================
|
||||
// WavetableBank: holds raw frames + mipmapped versions
|
||||
// =======================================================================
|
||||
class Bank
|
||||
{
|
||||
public:
|
||||
// N = table length (must be power-of-two for FFT), frames = number of morph frames
|
||||
// mipLevels = how many spectral levels (>=1). 5 ~ 6 is plenty for synth use.
|
||||
Bank(size_t N = 2048, int frames = 16, int mipLevels = 6)
|
||||
: tableSize(N), numFrames(frames), numLevels(mipLevels),
|
||||
fft((int)std::log2((double)N))
|
||||
{
|
||||
jassert(juce::isPowerOfTwo((int)N));
|
||||
tables.resize((size_t)numLevels);
|
||||
for (int l = 0; l < numLevels; ++l)
|
||||
tables[(size_t)l].resize((size_t)numFrames, std::vector<float>(tableSize, 0.0f));
|
||||
}
|
||||
|
||||
size_t getSize() const { return tableSize; }
|
||||
int getFrames() const { return numFrames; }
|
||||
int getLevels() const { return numLevels; }
|
||||
|
||||
// Provide raw “design” frames (time-domain single-cycle) then call buildMipmaps().
|
||||
// framesRaw.size() must equal numFrames, each frame length must equal tableSize.
|
||||
void setRawFrames(const std::vector<std::vector<float>>& framesRaw)
|
||||
{
|
||||
jassert((int)framesRaw.size() == numFrames);
|
||||
for (const auto& f : framesRaw) jassert(f.size() == tableSize);
|
||||
raw = framesRaw;
|
||||
}
|
||||
|
||||
// Convenience: generate 16-frame bank morphing Sine -> Saw -> Square -> Triangle
|
||||
void generateDefaultMorph()
|
||||
{
|
||||
std::vector<std::vector<float>> frames;
|
||||
frames.resize((size_t)numFrames, std::vector<float>(tableSize, 0.0f));
|
||||
|
||||
auto fill = [&](int idx, auto func)
|
||||
{
|
||||
auto& t = frames[(size_t)idx];
|
||||
for (size_t n = 0; n < tableSize; ++n)
|
||||
{
|
||||
const float ph = (float) (juce::MathConstants<double>::twoPi * (double)n / (double)tableSize);
|
||||
t[n] = func(ph);
|
||||
}
|
||||
normalise(t);
|
||||
};
|
||||
|
||||
// helper waves
|
||||
auto sine = [](float ph) { return std::sin(ph); };
|
||||
auto saw = [](float ph) { return (float)(2.0 * (ph / juce::MathConstants<float>::twoPi) - 1.0); };
|
||||
auto sq = [](float ph) { return ph < juce::MathConstants<float>::pi ? 1.0f : -1.0f; };
|
||||
auto tri = [](float ph) {
|
||||
float v = (float)(2.0 * std::abs(2.0 * (ph / juce::MathConstants<float>::twoPi) - 1.0) - 1.0);
|
||||
return v;
|
||||
};
|
||||
|
||||
// 0..5: sine->saw, 6..10: saw->square, 11..15: square->triangle
|
||||
const int F = numFrames;
|
||||
for (int i = 0; i < F; ++i)
|
||||
{
|
||||
const float t = (float) i / (float) juce::jmax(1, F - 1);
|
||||
std::function<float(float)> a, b;
|
||||
float mix = 0.0f;
|
||||
|
||||
if (i <= 5) { a = sine; b = saw; mix = (float)i / 5.0f; }
|
||||
else if (i <=10) { a = saw; b = sq; mix = (float)(i - 6) / 4.0f; }
|
||||
else { a = sq; b = tri; mix = (float)(i - 11) / 4.0f; }
|
||||
|
||||
fill(i, [=](float ph){ return (1.0f - mix) * a(ph) + mix * b(ph); });
|
||||
}
|
||||
|
||||
setRawFrames(frames);
|
||||
}
|
||||
|
||||
// Build mip-levels by FFT → spectral truncation → IFFT
|
||||
void buildMipmaps()
|
||||
{
|
||||
jassert(!raw.empty());
|
||||
ComplexBuf freq(tableSize);
|
||||
ComplexBuf time(tableSize);
|
||||
|
||||
for (int f = 0; f < numFrames; ++f)
|
||||
{
|
||||
// Forward FFT of raw frame
|
||||
std::fill(freq.data.begin(), freq.data.end(), 0.0f);
|
||||
for (size_t n = 0; n < tableSize; ++n)
|
||||
{
|
||||
time.data[2 * n + 0] = raw[(size_t)f][n];
|
||||
time.data[2 * n + 1] = 0.0f;
|
||||
}
|
||||
fft.performRealOnlyForwardTransform(time.data.data());
|
||||
// After JUCE real FFT, bins are laid out as: Re[0], Re[N/2], Re[1], Im[1], Re[2], Im[2], ...
|
||||
// We'll reconstruct complex bins for easy masking.
|
||||
|
||||
// Helper to zero all harmonics above kMax (inclusive index in [0..N/2])
|
||||
auto maskAndIFFT = [&](int level, int kMax)
|
||||
{
|
||||
// Copy time.data into working complex bins
|
||||
auto* bins = freq.asComplex();
|
||||
// DC & Nyquist are purely real in real-FFT
|
||||
bins[0].real (time.data[0]);
|
||||
bins[0].imag (0.0f);
|
||||
bins[tableSize/2].real (time.data[1]);
|
||||
bins[tableSize/2].imag (0.0f);
|
||||
|
||||
// Rebuild the rest (Re[k], Im[k]) packed starting at index 2
|
||||
for (size_t k = 1; k < tableSize/2; ++k)
|
||||
{
|
||||
bins[k].real (time.data[2 * k + 0]);
|
||||
bins[k].imag (time.data[2 * k + 1]);
|
||||
}
|
||||
|
||||
// Mask
|
||||
for (size_t k = (size_t)kMax + 1; k < tableSize/2; ++k)
|
||||
bins[k] = { 0.0f, 0.0f };
|
||||
|
||||
// Pack back into real-FFT layout for inverse
|
||||
time.data[0] = bins[0].real(); // DC
|
||||
time.data[1] = bins[tableSize/2].real(); // Nyquist
|
||||
for (size_t k = 1; k < tableSize/2; ++k)
|
||||
{
|
||||
time.data[2 * k + 0] = bins[k].real();
|
||||
time.data[2 * k + 1] = bins[k].imag();
|
||||
}
|
||||
|
||||
// IFFT
|
||||
fft.performRealOnlyInverseTransform(time.data.data());
|
||||
|
||||
// Copy, normalise a little (scale JUCE inverse divides by N already)
|
||||
auto& dst = tables[(size_t)level][(size_t)f];
|
||||
for (size_t n = 0; n < tableSize; ++n)
|
||||
dst[n] = time.data[2 * n + 0];
|
||||
|
||||
normalise(dst);
|
||||
};
|
||||
|
||||
// Level 0 → all harmonics available up to N/2 - 1
|
||||
for (int l = 0; l < numLevels; ++l)
|
||||
{
|
||||
const int maxH = (int)((tableSize / 2) >> l); // halve per level
|
||||
const int kMax = juce::jmax(1, juce::jmin(maxH, (int)tableSize/2 - 1));
|
||||
maskAndIFFT(l, kMax);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
// sample at (frame, level, phase in [0,1))
|
||||
inline float lookup (float frameIdx, int level, float phase) const noexcept
|
||||
{
|
||||
const int f0 = juce::jlimit(0, numFrames - 1, (int)std::floor(frameIdx));
|
||||
const int f1 = juce::jlimit(0, numFrames - 1, f0 + 1);
|
||||
const float t = juce::jlimit(0.0f, 1.0f, frameIdx - (float)f0);
|
||||
|
||||
const auto& T0 = tables[(size_t)level][(size_t)f0];
|
||||
const auto& T1 = tables[(size_t)level][(size_t)f1];
|
||||
|
||||
const float pos = phase * (float)tableSize;
|
||||
const int i0 = (int) std::floor(pos) & (int)(tableSize - 1);
|
||||
const int i1 = (i0 + 1) & (int)(tableSize - 1);
|
||||
const float a = pos - (float) std::floor(pos);
|
||||
|
||||
const float s0 = juce::jmap(a, T0[(size_t)i0], T0[(size_t)i1]);
|
||||
const float s1 = juce::jmap(a, T1[(size_t)i0], T1[(size_t)i1]);
|
||||
return juce::jmap(t, s0, s1);
|
||||
}
|
||||
|
||||
// choose mip-level for given frequency (Hz) & sampleRate
|
||||
inline int chooseLevel (float freq, double sampleRate) const noexcept
|
||||
{
|
||||
// permitted harmonics at this pitch:
|
||||
const float maxH = (float) (0.5 * sampleRate / juce::jmax(1.0f, freq));
|
||||
// level so that harmonic budget of level >= maxH, i.e. l = ceil(log2((N/2)/maxH))
|
||||
const float base = (float)(tableSize * 0.5);
|
||||
const float ratio = base / juce::jmax(1.0f, maxH);
|
||||
int l = (int) std::ceil (std::log2 (ratio));
|
||||
return juce::jlimit (0, numLevels - 1, l);
|
||||
}
|
||||
|
||||
static void normalise (std::vector<float>& t)
|
||||
{
|
||||
float mx = 0.0f;
|
||||
for (float v : t) mx = juce::jmax(mx, std::abs(v));
|
||||
if (mx < 1.0e-6f) return;
|
||||
for (float& v : t) v /= mx;
|
||||
}
|
||||
|
||||
private:
|
||||
size_t tableSize;
|
||||
int numFrames;
|
||||
int numLevels;
|
||||
|
||||
juce::dsp::FFT fft;
|
||||
std::vector<std::vector<float>> raw;
|
||||
// [level][frame][sample]
|
||||
std::vector<std::vector<std::vector<float>>> tables;
|
||||
};
|
||||
|
||||
// =======================================================================
|
||||
// Wavetable Oscillator
|
||||
// =======================================================================
|
||||
class Osc
|
||||
{
|
||||
public:
|
||||
void prepare (double sr) { sampleRate = sr; }
|
||||
void setBank (std::shared_ptr<Bank> b) { bank = std::move(b); }
|
||||
void setFrequency (float f) { freq = juce::jmax(0.0f, f); phaseInc = freq / (float)sampleRate; }
|
||||
void setMorph (float m) { morph = m; } // 0..frames-1 (continuous)
|
||||
void resetPhase (float p = 0.0f) { phase = juce::jlimit(0.0f, 1.0f, p); }
|
||||
|
||||
float process()
|
||||
{
|
||||
if (!bank) return 0.0f;
|
||||
|
||||
const int l0 = bank->chooseLevel(freq, sampleRate);
|
||||
const int l1 = juce::jmin(l0 + 1, bank->getLevels() - 1);
|
||||
const float preferL0 = 1.0f - juce::jlimit(0.0f, 1.0f,
|
||||
(float)l0 - (float)bank->chooseLevel(freq * 0.99f, sampleRate));
|
||||
|
||||
const float s0 = bank->lookup(morph, l0, phase);
|
||||
const float s1 = bank->lookup(morph, l1, phase);
|
||||
const float out = juce::jmap(preferL0, s1, s0); // simple crossfade
|
||||
|
||||
phase += phaseInc;
|
||||
while (phase >= 1.0f) phase -= 1.0f;
|
||||
return out;
|
||||
}
|
||||
|
||||
private:
|
||||
std::shared_ptr<Bank> bank;
|
||||
double sampleRate { 44100.0 };
|
||||
float freq { 0.0f };
|
||||
float morph { 0.0f }; // 0..frames-1
|
||||
float phase { 0.0f };
|
||||
float phaseInc { 0.0f };
|
||||
};
|
||||
} // namespace WT
|
||||
Reference in New Issue
Block a user