move message-routing, midi-rendering concerns into FluidSynthModel

This commit is contained in:
Alex Birch
2019-07-28 22:22:25 +01:00
parent e772b4bcf0
commit d4a060b769
3 changed files with 140 additions and 140 deletions

View File

@ -610,3 +610,133 @@ void FluidSynthModel::setSampleRate(float sampleRate) {
}
fluid_synth_set_sample_rate(synth.get(), sampleRate);
}
void FluidSynthModel::processBlock(AudioBuffer<float>& buffer, MidiBuffer& midiMessages) {
MidiBuffer processedMidi;
int time;
MidiMessage m;
for (MidiBuffer::Iterator i{midiMessages}; i.getNextEvent(m, time);) {
DEBUG_PRINT(m.getDescription());
if (m.isNoteOn()) {
fluid_synth_noteon(
synth.get(),
channel,
m.getNoteNumber(),
m.getVelocity());
} else if (m.isNoteOff()) {
fluid_synth_noteoff(
synth.get(),
channel,
m.getNoteNumber());
} else if (m.isController()) {
fluid_synth_cc(
synth.get(),
channel,
m.getControllerNumber(),
m.getControllerValue());
switch(static_cast<fluid_midi_control_change>(m.getControllerNumber())) {
case SOUND_CTRL2: { // MIDI CC 71 Timbre/Harmonic Intensity (filter resonance)
// valueTreeState.state.setProperty({"filterResonance"}, m.getControllerValue(), nullptr);
RangedAudioParameter *param{valueTreeState.getParameter("filterResonance")};
jassert(dynamic_cast<AudioParameterInt*>(param) != nullptr);
AudioParameterInt* castParam {dynamic_cast<AudioParameterInt*>(param)};
*castParam = m.getControllerValue();
break;
}
case SOUND_CTRL3: { // MIDI CC 72 Release time
RangedAudioParameter *param{valueTreeState.getParameter("release")};
jassert(dynamic_cast<AudioParameterInt*>(param) != nullptr);
AudioParameterInt* castParam {dynamic_cast<AudioParameterInt*>(param)};
*castParam = m.getControllerValue();
break;
}
case SOUND_CTRL4: { // MIDI CC 73 Attack time
RangedAudioParameter *param{valueTreeState.getParameter("release")};
jassert(dynamic_cast<AudioParameterInt*>(param) != nullptr);
AudioParameterInt* castParam {dynamic_cast<AudioParameterInt*>(param)};
*castParam = m.getControllerValue();
break;
}
case SOUND_CTRL5: { // MIDI CC 74 Brightness (cutoff frequency, FILTERFC)
RangedAudioParameter *param{valueTreeState.getParameter("filterCutOff")};
jassert(dynamic_cast<AudioParameterInt*>(param) != nullptr);
AudioParameterInt* castParam {dynamic_cast<AudioParameterInt*>(param)};
*castParam = m.getControllerValue();
break;
}
case SOUND_CTRL6: { // MIDI CC 75 Decay Time
RangedAudioParameter *param{valueTreeState.getParameter("decay")};
jassert(dynamic_cast<AudioParameterInt*>(param) != nullptr);
AudioParameterInt* castParam {dynamic_cast<AudioParameterInt*>(param)};
*castParam = m.getControllerValue();
break;
}
case SOUND_CTRL10: { // MIDI CC 79 undefined
RangedAudioParameter *param {valueTreeState.getParameter("sustain")};
jassert(dynamic_cast<AudioParameterInt*>(param) != nullptr);
AudioParameterInt* castParam {dynamic_cast<AudioParameterInt*> (param)};
*castParam = m.getControllerValue();
break;
}
default: {
break;
}
}
} else if (m.isProgramChange()) {
int result{fluid_synth_program_change(
synth.get(),
channel,
m.getProgramChangeNumber())};
if (result == FLUID_OK) {
RangedAudioParameter *param{valueTreeState.getParameter("preset")};
jassert(dynamic_cast<AudioParameterInt*> (param) != nullptr);
AudioParameterInt* castParam {dynamic_cast<AudioParameterInt*> (param)};
*castParam = m.getProgramChangeNumber();
}
} else if (m.isPitchWheel()) {
fluid_synth_pitch_bend(
synth.get(),
channel,
m.getPitchWheelValue());
} else if (m.isChannelPressure()) {
fluid_synth_channel_pressure(
synth.get(),
channel,
m.getChannelPressureValue());
} else if (m.isAftertouch()) {
fluid_synth_key_pressure(
synth.get(),
channel,
m.getNoteNumber(),
m.getAfterTouchValue());
// } else if (m.isMetaEvent()) {
// fluid_midi_event_t *midi_event{new_fluid_midi_event()};
// fluid_midi_event_set_type(midi_event, static_cast<int>(MIDI_SYSTEM_RESET));
// fluid_synth_handle_midi_event(synth.get(), midi_event);
// delete_fluid_midi_event(midi_event);
} else if (m.isSysEx()) {
fluid_synth_sysex(
synth.get(),
reinterpret_cast<const char*>(m.getSysExData()),
m.getSysExDataSize(),
nullptr, // no response pointer because we have no interest in handling response currently
nullptr, // no response_len pointer because we have no interest in handling response currently
nullptr, // no handled pointer because we have no interest in handling response currently
static_cast<int>(false));
}
}
// fluid_synth_get_cc(fluidSynth, 0, 73, &pval);
// Logger::outputDebugString ( juce::String::formatted("hey: %d\n", pval) );
fluid_synth_process(
synth.get(),
buffer.getNumSamples(),
0,
nullptr,
buffer.getNumChannels(),
buffer.getArrayOfWritePointers());
}