juicysfplugin/Source/FluidSynthModel.h
2019-07-28 23:17:19 +01:00

77 lines
2.7 KiB
C++

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