77 lines
2.7 KiB
C++
77 lines
2.7 KiB
C++
//
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// Created by Alex Birch on 10/09/2017.
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//
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#pragma once
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#include "../JuceLibraryCode/JuceHeader.h"
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#include <fluidsynth.h>
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#include <memory>
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using namespace std;
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class FluidSynthModel
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: public ValueTree::Listener
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, public AudioProcessorValueTreeState::Listener {
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public:
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FluidSynthModel(
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AudioProcessorValueTreeState& valueTreeState
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);
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~FluidSynthModel();
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void initialise();
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int getChannel();
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void setControllerValue(int controller, int value);
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void processBlock(AudioBuffer<float>& buffer, MidiBuffer& midiMessages);
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void setSampleRate(float sampleRate);
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//==============================================================================
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virtual void parameterChanged (const String& parameterID, float newValue) override;
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virtual void valueTreePropertyChanged (ValueTree& treeWhosePropertyHasChanged,
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const Identifier& property) override;
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inline virtual void valueTreeChildAdded (ValueTree& parentTree,
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ValueTree& childWhichHasBeenAdded) override {};
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inline virtual void valueTreeChildRemoved (ValueTree& parentTree,
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ValueTree& childWhichHasBeenRemoved,
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int indexFromWhichChildWasRemoved) override {};
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inline virtual void valueTreeChildOrderChanged (ValueTree& parentTreeWhoseChildrenHaveMoved,
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int oldIndex, int newIndex) override {};
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inline virtual void valueTreeParentChanged (ValueTree& treeWhoseParentHasChanged) override {};
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inline virtual void valueTreeRedirected (ValueTree& treeWhichHasBeenChanged) override {};
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//==============================================================================
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int getNumPrograms();
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int getCurrentProgram();
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void setCurrentProgram(int index);
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const String getProgramName(int index);
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void changeProgramName(int index, const String& newName);
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private:
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void refreshBanks();
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AudioProcessorValueTreeState& valueTreeState;
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// https://stackoverflow.com/questions/38980315/is-stdunique-ptr-deletion-order-guaranteed
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// members are destroyed in reverse of the order they're declared
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// http://www.fluidsynth.org/api/
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// in their examples, they destroy the synth before destroying the settings
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unique_ptr<fluid_settings_t, decltype(&delete_fluid_settings)> settings;
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unique_ptr<fluid_synth_t, decltype(&delete_fluid_synth)> synth;
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float currentSampleRate;
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void unloadAndLoadFont(const String &absPath);
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void loadFont(const String &absPath);
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int sfont_id;
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unsigned int channel;
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JUCE_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR (FluidSynthModel)
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};
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