MidiStateTracker::reset ()
{
memset (_active_notes, 0, sizeof (_active_notes));
+ _on = 0;
}
void
MidiStateTracker::track_note_onoffs (const Evoral::MIDIEvent<MidiBuffer::TimeType>& event)
{
if (event.is_note_on()) {
- _active_notes [event.note() + 128 * event.channel()]++;
+ add (event.note(), event.channel());
} else if (event.is_note_off()){
- if (_active_notes[event.note() + 128 * event.channel()]) {
- _active_notes [event.note() + 128 * event.channel()]--;
- }
+ remove (event.note(), event.channel());
}
}
+
void
MidiStateTracker::add (uint8_t note, uint8_t chn)
{
- cerr << "Added note " << note << " chan " << chn << endl;
- _active_notes[note + 128 * chn]++;
+ ++_active_notes[note + 128 * chn];
+ ++_on;
}
void
MidiStateTracker::remove (uint8_t note, uint8_t chn)
{
- if (_active_notes[note + 128 * chn]) {
- cerr << "Removed note " << note << " chan " << chn << endl;
- _active_notes[note + 128 * chn]--;
+ switch (_active_notes[note + 128 * chn]) {
+ case 0:
+ break;
+ case 1:
+ --_on;
+ _active_notes [note + 128 * chn] = 0;
+ break;
+ default:
+ --_active_notes [note + 128 * chn];
+ break;
+
}
}
void
MidiStateTracker::resolve_notes (MidiBuffer &dst, nframes64_t time)
{
+ if (!_on) {
+ return;
+ }
+
for (int channel = 0; channel < 16; ++channel) {
for (int note = 0; note < 128; ++note) {
- while (_active_notes[channel * 128 + note]) {
+ while (_active_notes[note + 128 * channel]) {
uint8_t buffer[3] = { MIDI_CMD_NOTE_OFF | channel, note, 0 };
Evoral::MIDIEvent<MidiBuffer::TimeType> noteoff
(time, MIDI_CMD_NOTE_OFF, 3, buffer, false);
dst.push_back (noteoff);
-
- _active_notes[channel * 128 + note]--;
+ _active_notes[note + 128 * channel]--;
}
}
}
+ _on = 0;
}
void
-MidiStateTracker::resolve_notes (MidiRingBuffer<nframes_t> &dst, nframes64_t time)
+MidiStateTracker::resolve_notes (Evoral::EventSink<nframes_t> &dst, nframes64_t time)
{
uint8_t buf[3];
+
+ if (!_on) {
+ return;
+ }
+
for (int channel = 0; channel < 16; ++channel) {
for (int note = 0; note < 128; ++note) {
- while (_active_notes[channel * 128 + note]) {
+ while (_active_notes[note + 128 * channel]) {
buf[0] = MIDI_CMD_NOTE_OFF|channel;
buf[1] = note;
buf[2] = 0;
dst.write (time, EventTypeMap::instance().midi_event_type (buf[0]), 3, buf);
- _active_notes[channel * 128 + note]--;
+ _active_notes[note + 128 * channel]--;
}
}
}
+ _on = 0;
}
void