/*
- Copyright (C) 2006-2008 Paul Davis
+ Copyright (C) 2006-2008 Paul Davis
Author: Torben Hohn
-
+
This program is free software; you can redistribute it and/or modify it
under the terms of the GNU General Public License as published by the Free
Software Foundation; either version 2 of the License, or (at your option)
any later version.
-
+
This program is distributed in the hope that it will be useful, but WITHOUT
ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
for more details.
-
+
You should have received a copy of the GNU General Public License along
with this program; if not, write to the Free Software Foundation, Inc.,
675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include <iostream>
+
+#include "pbd/compose.h"
+
+#include "ardour/debug.h"
#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;
void
MidiStateTracker::reset ()
{
+ DEBUG_TRACE (PBD::DEBUG::MidiTrackers, string_compose ("%1: reset\n", this));
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)
+{
+ ++_active_notes[note + 128 * chn];
+ ++_on;
+ DEBUG_TRACE (PBD::DEBUG::MidiTrackers, string_compose ("MST @ %1 ON %2/%3 total on %4\n",
+ this, (int) note, (int) chn, _on));
+}
+
+void
+MidiStateTracker::remove (uint8_t note, uint8_t 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;
+
}
+ DEBUG_TRACE (PBD::DEBUG::MidiTrackers, string_compose ("MST @ %1 OFF %2/%3 total on %4\n",
+ this, (int) note, (int) chn, _on));
}
void
{
looped = false;
+ DEBUG_TRACE (PBD::DEBUG::MidiTrackers, string_compose ("%1 track notes, looped = %2\n", this, looped));
+
for (MidiBuffer::iterator i = from; i != to; ++i) {
const Evoral::MIDIEvent<MidiBuffer::TimeType> ev(*i, false);
if (ev.event_type() == LoopEventType) {
continue;
}
+ /* catch AllNotesOff message and turn off all notes
+ */
+
+ if (ev.type() == MIDI_CTL_ALL_NOTES_OFF) {
+ cerr << "State tracker sees ALL_NOTES_OFF, silenceing " << sizeof (_active_notes) << endl;
+ memset (_active_notes, 0, sizeof (_active_notes));
+ }
+
track_note_onoffs (ev);
}
}
void
-MidiStateTracker::resolve_notes (MidiBuffer &dst, nframes_t time)
+MidiStateTracker::resolve_notes (MidiBuffer &dst, framepos_t time)
{
+ DEBUG_TRACE (PBD::DEBUG::MidiTrackers, string_compose ("%1 MB-resolve notes @ %2 on = %3\n", this, time, _on));
+
+ 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]--;
+ (MIDI_CMD_NOTE_OFF, time, 3, buffer, false);
+ dst.push_back (noteoff);
+ _active_notes[note + 128 * channel]--;
+ DEBUG_TRACE (PBD::DEBUG::MidiTrackers, string_compose ("%1: MB-resolved note %2/%3 at %4\n",
+ this, (int) note, (int) channel, time));
+ }
+ }
+ }
+ _on = 0;
+}
+
+void
+MidiStateTracker::resolve_notes (Evoral::EventSink<framepos_t> &dst, framepos_t time)
+{
+ uint8_t buf[3];
+
+ DEBUG_TRACE (PBD::DEBUG::MidiTrackers, string_compose ("%1 EVS-resolve notes @ %2 on = %3\n", this, time, _on));
+
+ if (!_on) {
+ return;
+ }
+
+ for (int channel = 0; channel < 16; ++channel) {
+ for (int note = 0; note < 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[note + 128 * channel]--;
+ DEBUG_TRACE (PBD::DEBUG::MidiTrackers, string_compose ("%1: EVS-resolved note %2/%3 at %4\n",
+ this, (int) note, (int) channel, time));
+ }
+ }
+ }
+ _on = 0;
+}
+
+void
+MidiStateTracker::resolve_notes (MidiSource& src, Evoral::MusicalTime time)
+{
+ DEBUG_TRACE (PBD::DEBUG::MidiTrackers, string_compose ("%1 MS-resolve notes @ %2 on = %3\n", this, time, _on));
+
+ 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);
+ DEBUG_TRACE (PBD::DEBUG::MidiTrackers, string_compose ("%1: MS-resolved note %2/%3 at %4\n",
+ this, (int) note, (int) channel, time));
+ _active_notes[note + 128 * channel]--;
+ /* don't stack events up at the same time */
+ time += 1.0/128.0;
}
}
}
+ _on = 0;
}
void
projects / ardour.git / blobdiff