Set up region BBT time when frame position changes, if the region is glued to BBT...

[ardour.git] / libs / ardour / midi_state_tracker.cc

diff --git a/libs/ardour/midi_state_tracker.cc b/libs/ardour/midi_state_tracker.cc
index 0ddafc3fedb5ad489fbe3333c2696c9161e90393..f5020e08a744acd5da0ff6eccd3efd00f310417b 100644 (file)
--- a/libs/ardour/midi_state_tracker.cc
+++ b/libs/ardour/midi_state_tracker.cc
@@ -20,6 +20,7 @@
 #include <iostream>
 #include "ardour/event_type_map.h"
 #include "ardour/midi_ring_buffer.h"
+#include "ardour/midi_source.h"
 #include "ardour/midi_state_tracker.h"
 
 using namespace std;
@@ -35,17 +36,16 @@ void
 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());
        }
 }
 
@@ -53,13 +53,23 @@ void
 MidiStateTracker::add (uint8_t note, uint8_t chn)
 {
        ++_active_notes[note + 128 * chn];
+       ++_on;
 }
 
 void
 MidiStateTracker::remove (uint8_t note, uint8_t chn)
 {
-       if (_active_notes[note + 128 * chn]) {
-               --_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;
+
        }
 }
 
@@ -80,37 +90,74 @@ MidiStateTracker::track (const MidiBuffer::iterator &from, const MidiBuffer::ite
 }
 
 void
-MidiStateTracker::resolve_notes (MidiBuffer &dst, nframes64_t time)
+MidiStateTracker::resolve_notes (MidiBuffer &dst, framepos_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);
+                                       (MIDI_CMD_NOTE_OFF, time, 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<framepos_t> &dst, framepos_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
+MidiStateTracker::resolve_notes (MidiSource& src, Evoral::MusicalTime time)
+{
+       if (!_on) {
+               return;
+       }
+
+       /* NOTE: the src must be locked */
+
+       for (int channel = 0; channel < 16; ++channel) {
+               for (int note = 0; note < 128; ++note) {
+                       while (_active_notes[note + 128 * channel]) {
+                               Evoral::MIDIEvent<Evoral::MusicalTime> ev ((MIDI_CMD_NOTE_OFF|channel), time, 3, 0, true);
+                               ev.set_type (MIDI_CMD_NOTE_OFF);
+                               ev.set_channel (channel);
+                               ev.set_note (note);
+                               ev.set_velocity (0);
+                               src.append_event_unlocked_beats (ev);
+                               _active_notes[note + 128 * channel]--;
+                               /* don't stack events up at the same time */
+                               time += 1.0/128.0;
                        }
                }
        }
+       _on = 0;
 }
 
 void