138 lines
3.5 KiB
C++
138 lines
3.5 KiB
C++
//
|
|
// Created by Alex Birch on 10/09/2017.
|
|
//
|
|
|
|
#include <iostream>
|
|
#include "FluidSynthModel.h"
|
|
|
|
using namespace std;
|
|
|
|
FluidSynthModel::FluidSynthModel() {}
|
|
|
|
FluidSynthModel::~FluidSynthModel() {
|
|
if (initialised) {
|
|
// delete_fluid_audio_driver(driver);
|
|
delete_fluid_synth(synth);
|
|
delete_fluid_settings(settings);
|
|
// delete driver;
|
|
// delete settings;
|
|
}
|
|
}
|
|
|
|
void FluidSynthModel::initialise() {
|
|
settings = new_fluid_settings();
|
|
// https://sourceforge.net/p/fluidsynth/wiki/FluidSettings/
|
|
fluid_settings_setstr(settings, "synth.verbose", "yes");
|
|
|
|
synth = new_fluid_synth(settings);
|
|
|
|
sfont_id = 0;
|
|
loadFont("/Users/birch/Documents/soundfont/EarthBound.sf2");
|
|
|
|
|
|
fluid_synth_set_gain(synth, 2.0);
|
|
|
|
// fluid_synth_bank_select(synth, 0, 3);
|
|
|
|
// fluid_handle_inst
|
|
|
|
// driver = new_fluid_audio_driver(settings, synth);
|
|
|
|
// changePreset(128, 13);
|
|
|
|
initialised = true;
|
|
}
|
|
|
|
int FluidSynthModel::getChannel() {
|
|
return channel;
|
|
}
|
|
|
|
void FluidSynthModel::changePreset(int bank, int preset) {
|
|
fluid_synth_program_select(synth, channel, sfont_id, static_cast<unsigned int>(bank), static_cast<unsigned int>(preset));
|
|
}
|
|
|
|
const fluid_preset_t FluidSynthModel::getFirstPreset() {
|
|
fluid_sfont_t* sfont = fluid_synth_get_sfont_by_id(synth, sfont_id);
|
|
|
|
jassert(sfont != nullptr);
|
|
sfont->iteration_start(sfont);
|
|
|
|
fluid_preset_t preset;
|
|
|
|
sfont->iteration_next(sfont, &preset);
|
|
|
|
return preset;
|
|
}
|
|
|
|
void FluidSynthModel::selectFirstPreset() {
|
|
fluid_preset_t preset = getFirstPreset();
|
|
|
|
int offset = fluid_synth_get_bank_offset(synth, sfont_id);
|
|
|
|
changePreset(preset.get_banknum(&preset) + offset, preset.get_num(&preset));
|
|
}
|
|
|
|
BanksToPresets FluidSynthModel::getBanks() {
|
|
BanksToPresets banksToPresets;
|
|
|
|
fluid_sfont_t* sfont = fluid_synth_get_sfont_by_id(synth, sfont_id);
|
|
|
|
int offset = fluid_synth_get_bank_offset(synth, sfont_id);
|
|
|
|
jassert(sfont != nullptr);
|
|
sfont->iteration_start(sfont);
|
|
|
|
fluid_preset_t preset;
|
|
|
|
while(sfont->iteration_next(sfont, &preset)) {
|
|
banksToPresets.insert(BanksToPresets::value_type(
|
|
preset.get_banknum(&preset) + offset,
|
|
*new Preset(
|
|
preset.get_num(&preset),
|
|
preset.get_name(&preset)
|
|
)
|
|
));
|
|
}
|
|
|
|
return banksToPresets;
|
|
}
|
|
|
|
fluid_synth_t* FluidSynthModel::getSynth() {
|
|
// https://msdn.microsoft.com/en-us/library/hh279669.aspx
|
|
// You can pass a shared_ptr to another function in the following ways:
|
|
// Pass the shared_ptr by value. This invokes the copy constructor, increments the reference count, and makes the callee an owner.
|
|
return synth;
|
|
}
|
|
|
|
void FluidSynthModel::onFileNameChanged(const string &absPath) {
|
|
unloadAndLoadFont(absPath);
|
|
eventListeners.call(&FluidSynthModel::Listener::fontChanged, this);
|
|
}
|
|
|
|
void FluidSynthModel::unloadAndLoadFont(const string &absPath) {
|
|
fluid_synth_sfunload(synth, sfont_id, 1);
|
|
loadFont(absPath);
|
|
}
|
|
|
|
void FluidSynthModel::loadFont(const string &absPath) {
|
|
sfont_id++;
|
|
fluid_synth_sfload(synth, absPath.c_str(), 1);
|
|
selectFirstPreset();
|
|
}
|
|
|
|
FluidSynthModel::Listener::~Listener() {
|
|
}
|
|
|
|
void FluidSynthModel::Listener::fontChanged(FluidSynthModel *) {
|
|
}
|
|
|
|
//==============================================================================
|
|
void FluidSynthModel::addListener (FluidSynthModel::Listener* const newListener)
|
|
{
|
|
eventListeners.add(newListener);
|
|
}
|
|
|
|
void FluidSynthModel::removeListener (FluidSynthModel::Listener* const listener)
|
|
{
|
|
eventListeners.remove(listener);
|
|
} |