110 lines
3.9 KiB
C++
110 lines
3.9 KiB
C++
//
|
|
// Created by Alex Birch on 07/09/2017.
|
|
//
|
|
|
|
#include "SoundfontSynthVoice.h"
|
|
#include "SoundfontSynthSound.h"
|
|
#include "Util.h"
|
|
|
|
SoundfontSynthVoice::SoundfontSynthVoice(fluid_synth_t* synth)
|
|
: tailOff (0.0),
|
|
level(0.0),
|
|
currentAngle(0.0),
|
|
angleDelta(0.0),
|
|
midiNoteNumber(0),
|
|
synth(synth)
|
|
{
|
|
}
|
|
|
|
bool SoundfontSynthVoice::canPlaySound(SynthesiserSound* sound) {
|
|
return dynamic_cast<SoundfontSynthSound*> (sound) != nullptr;
|
|
}
|
|
void SoundfontSynthVoice::startNote(
|
|
int midiNoteNumber,
|
|
float velocity,
|
|
SynthesiserSound* sound,
|
|
int /*currentPitchWheelPosition*/) {
|
|
this->midiNoteNumber = midiNoteNumber;
|
|
DEBUG_PRINT ( juce::String::formatted("JUCE noteon: %d, %d\n", midiNoteNumber, velocity) );
|
|
fluid_synth_noteon(synth, 0, midiNoteNumber, static_cast<int>(velocity * 127));
|
|
|
|
// currentAngle = 0.0;
|
|
// level = velocity * 0.15;
|
|
// tailOff = 0.0;
|
|
//
|
|
// double cyclesPerSecond = MidiMessage::getMidiNoteInHertz (midiNoteNumber);
|
|
// double cyclesPerSample = cyclesPerSecond / getSampleRate();
|
|
//
|
|
// angleDelta = cyclesPerSample * 2.0 * double_Pi;
|
|
|
|
// jassert(dynamic_cast<SoundfontSynthSound*> (sound) != nullptr);
|
|
// SoundfontSynthSound* sfsynth = dynamic_cast<SoundfontSynthSound*> (sound);
|
|
}
|
|
|
|
void SoundfontSynthVoice::stopNote (float /*velocity*/, bool allowTailOff) {
|
|
// if (allowTailOff) {
|
|
// // start a tail-off by setting this flag. The render callback will pick up on
|
|
// // this and do a fade out, calling clearCurrentNote() when it's finished.
|
|
//
|
|
// // we only need to begin a tail-off if it's not already doing so - the
|
|
// if (tailOff == 0.0) {
|
|
// // stopNote method could be called more than once.
|
|
// tailOff = 1.0;
|
|
// }
|
|
// } else {
|
|
// // we're being told to stop playing immediately, so reset everything..
|
|
//
|
|
// clearCurrentNote();
|
|
// angleDelta = 0.0;
|
|
// }
|
|
DEBUG_PRINT ( juce::String("JUCE noteoff\n") );
|
|
clearCurrentNote();
|
|
fluid_synth_noteoff(synth, 0, this->midiNoteNumber);
|
|
}
|
|
|
|
// receives input as MIDI 0 to 16383, with 8192 being center
|
|
// this is also exactly the input fluidsynth requires
|
|
void SoundfontSynthVoice::pitchWheelMoved (int newValue) {
|
|
// fluid_synth_pitch_bend(synth, 0, newValue);
|
|
// int ppitch_bend;
|
|
// fluid_synth_get_pitch_bend(synth, 0, &ppitch_bend);
|
|
// int ppitch_bend_sens;
|
|
// fluid_synth_get_pitch_wheel_sens(synth, 0, &ppitch_bend_sens);
|
|
// Logger::outputDebugString ( juce::String::formatted("Pitch wheel: %d %d %d\n", newValue, ppitch_bend, ppitch_bend_sens) );
|
|
}
|
|
|
|
void SoundfontSynthVoice::controllerMoved (int controllerNumber, int newValue) {
|
|
// this seems to be "program change" event
|
|
DEBUG_PRINT ( juce::String::formatted("Controller moved: %d, %d\n", controllerNumber, newValue) );
|
|
}
|
|
|
|
void SoundfontSynthVoice::renderNextBlock (AudioBuffer<float>& outputBuffer, int startSample, int numSamples) {
|
|
//fluid_synth_process(synth.get(), numSamples, 1, nullptr, outputBuffer.getNumChannels(), outputBuffer.getArrayOfWritePointers());
|
|
}
|
|
|
|
//void SoundfontSynthVoice::renderBlock (AudioBuffer<float>& outputBuffer, int startSample, int numSamples) {
|
|
// fluid_synth_process(synth.get(), numSamples, 1, nullptr, outputBuffer.getNumChannels(), outputBuffer.getArrayOfWritePointers());
|
|
// if (angleDelta == 0.0) {
|
|
// return;
|
|
// }
|
|
// while (--numSamples >= 0) {
|
|
// double qualifiedTailOff = tailOff > 0 ? tailOff : 1.0;
|
|
// auto currentSample = static_cast<FloatType> (std::sin (currentAngle) * level * qualifiedTailOff);
|
|
// for (int i = outputBuffer.getNumChannels(); --i >= 0;)
|
|
// outputBuffer.addSample (i, startSample, currentSample);
|
|
//
|
|
// currentAngle += angleDelta;
|
|
// ++startSample;
|
|
//
|
|
// if (tailOff > 0) {
|
|
// tailOff *= 0.99;
|
|
//
|
|
// if (tailOff <= 0.005) {
|
|
// clearCurrentNote();
|
|
// angleDelta = 0.0;
|
|
// break;
|
|
// }
|
|
// }
|
|
// }
|
|
//}
|