biggy
3be1e42242
Introduce a CriticalSection controlLock separating control-thread state (matrix, macros, controlLfos) from audio-thread snapshots (audioMatrix, audioMacros, lfos). captureControls() copies under lock at the start of each processBlock; the audio thread never touches control state directly. Cache parameter values in an unordered_map keyed by string_view to avoid per-sample APVTS lookups. Prebuild wavetables in the constructor instead of lazy allocation. Resize mixBuffer only in prepare(), not per block. Render MIDI events at their sample positions using sub-block rendering with renderUntil(), so notes start at the correct sub-sample offset. Make RaveController non-destructive: replace APVTS mutation with a static apply() that boosts the RenderContext and FX slots for the current block only. Remove the snapshot/restore machinery. Make currentProgram atomic. Validate state I/O: check XML tag, clamp program index, sanitize LFO shape data, and use beginChangeGesture/endChangeGesture for RAVE toggle. Reset parameters to defaults before loading preset values.
71 lines
2.4 KiB
C++
71 lines
2.4 KiB
C++
#pragma once
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#include <JuceHeader.h>
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#include <atomic>
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#include "Params.h"
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#include "Engine.h"
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namespace serum
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{
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// ===========================================================================
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// SerumAlt — a wavetable synthesiser (VST3 / AU). Hosts the APVTS, the audio
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// engine, preset management and the RAVE toggle.
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// ===========================================================================
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class SerumAltAudioProcessor : public juce::AudioProcessor
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{
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public:
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SerumAltAudioProcessor();
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~SerumAltAudioProcessor() override;
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// --- AudioProcessor ---
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void prepareToPlay (double sampleRate, int samplesPerBlock) override;
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void releaseResources() override;
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void processBlock (juce::AudioBuffer<float>&, juce::MidiBuffer&) override;
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juce::AudioProcessorEditor* createEditor() override;
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bool hasEditor() const override { return true; }
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const juce::String getName() const override { return "SerumAlt"; }
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bool acceptsMidi() const override { return true; }
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bool producesMidi() const override { return false; }
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bool isMidiEffect() const override { return false; }
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double getTailLengthSeconds() const override { return 2.0; }
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int getNumPrograms() override;
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int getCurrentProgram() override;
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void setCurrentProgram (int index) override;
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const juce::String getProgramName (int index) override;
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void changeProgramName (int index, const juce::String& newName) override;
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void getStateInformation (juce::MemoryBlock& destData) override;
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void setStateInformation (const void* data, int sizeInBytes) override;
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// --- SerumAlt ---
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void setRaveEnabled (bool enabled);
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bool isRaveEnabled() const;
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int getUiScaleIndex() const;
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void setUiScaleIndex (int index);
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float getUiScale() const;
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void loadFactoryPreset (int index);
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int getNumFactoryPresets() const;
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// Public control state (hold the engine control lock for matrix/macros/LFOs).
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juce::AudioProcessorValueTreeState parameters;
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Engine engine;
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static juce::AudioProcessorValueTreeState::ParameterLayout createParameterLayout();
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private:
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std::atomic<int> currentProgram { 0 };
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void restoreLfoShapesFromState (const juce::ValueTree& state);
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void saveLfoShapesToState (juce::ValueTree& state) const;
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JUCE_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR (SerumAltAudioProcessor)
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};
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} // namespace serum
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