juicysfplugin/Source/FluidSynthModel.h

84 lines
2.0 KiB
C++

//
// Created by Alex Birch on 10/09/2017.
//
#pragma once
#include "../JuceLibraryCode/JuceHeader.h"
#include "SharesParams.h"
#include <fluidsynth.h>
#include <memory>
#include "PresetsToBanks.h"
// https://stackoverflow.com/a/13446565/5257399
using std::shared_ptr;
class FluidSynthModel {
public:
FluidSynthModel(SharesParams& p);
~FluidSynthModel();
fluid_synth_t* getSynth();
void initialise();
BanksToPresets getBanks();
void changePreset(int bank, int preset);
int getChannel();
void onFileNameChanged(const String &absPath);
//==============================================================================
/**
Used to receive callbacks when a button is clicked.
@see Button::addListener, Button::removeListener
*/
class Listener
{
public:
/** Destructor. */
virtual ~Listener();
/** Called when the button is clicked. */
virtual void fontChanged (FluidSynthModel*, const String &absPath);
};
/** Registers a listener to receive events when this button's state changes.
If the listener is already registered, this will not register it again.
@see removeListener
*/
void addListener (Listener* newListener);
/** Removes a previously-registered button listener
@see addListener
*/
void removeListener (Listener* listener);
const String& getCurrentSoundFontAbsPath();
private:
SharesParams& sharesParams;
fluid_synth_t* synth;
fluid_settings_t* settings;
// fluid_audio_driver_t* driver;
String currentSoundFontAbsPath;
const fluid_preset_t getFirstPreset();
void selectFirstPreset();
void unloadAndLoadFont(const String &absPath);
void loadFont(const String &absPath);
bool shouldLoadFont(const String &absPath);
bool initialised;
unsigned int sfont_id;
unsigned int channel;
ListenerList<Listener> eventListeners;
JUCE_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR (FluidSynthModel)
};