/*
- 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 "ardour/event_type_map.h"
+
+#include "pbd/compose.h"
+#include "pbd/stacktrace.h"
+
+#include "evoral/EventSink.hpp"
+
+#include "ardour/debug.h"
+#include "ardour/midi_source.h"
#include "ardour/midi_state_tracker.h"
+#include "ardour/parameter_types.h"
using namespace std;
using namespace ARDOUR;
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)
+MidiStateTracker::add (uint8_t note, uint8_t chn)
{
- if (event.is_note_on()) {
- _active_notes [event.note() + 128 * event.channel()]++;
- } else if (event.is_note_off()){
- if (_active_notes[event.note() + 128 * event.channel()]) {
- _active_notes [event.note() + 128 * event.channel()]--;
- }
+ if (_active_notes[note+128 * chn] == 0) {
+ ++_on;
}
+ ++_active_notes[note + 128 * chn];
+
+ if (_active_notes[note+128 * chn] > 1) {
+ cerr << this << " note " << (int) note << '/' << (int) chn << " was already on, now at " << (int) _active_notes[note+128*chn] << endl;
+ }
+
+ DEBUG_TRACE (PBD::DEBUG::MidiTrackers, string_compose ("%1 ON %2/%3 voices %5 total on %4\n",
+ this, (int) note, (int) chn, _on,
+ (int) _active_notes[note+128 * chn]));
}
void
-MidiStateTracker::track (const MidiBuffer::iterator &from, const MidiBuffer::iterator &to, bool& looped)
+MidiStateTracker::remove (uint8_t note, uint8_t chn)
{
- looped = false;
+ 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;
- for (MidiBuffer::iterator i = from; i != to; ++i) {
- const Evoral::MIDIEvent<MidiBuffer::TimeType> ev(*i, false);
- if (ev.event_type() == LoopEventType) {
- looped = true;
- continue;
- }
+ }
+ DEBUG_TRACE (PBD::DEBUG::MidiTrackers, string_compose ("%1 OFF %2/%3 current voices = %5 total on %4\n",
+ this, (int) note, (int) chn, _on,
+ (int) _active_notes[note+128 * chn]));
+}
- track_note_onoffs (ev);
+void
+MidiStateTracker::track (const MidiBuffer::const_iterator &from, const MidiBuffer::const_iterator &to)
+{
+ for (MidiBuffer::const_iterator i = from; i != to; ++i) {
+ track(*i);
+ }
+}
+
+void
+MidiStateTracker::track (const uint8_t* evbuf)
+{
+ const uint8_t type = evbuf[0] & 0xF0;
+ const uint8_t chan = evbuf[0] & 0x0F;
+ switch (type) {
+ case MIDI_CTL_ALL_NOTES_OFF:
+ reset();
+ break;
+ case MIDI_CMD_NOTE_ON:
+ add(evbuf[1], chan);
+ break;
+ case MIDI_CMD_NOTE_OFF:
+ remove(evbuf[1], chan);
+ break;
}
}
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]) {
- uint8_t buffer[3] = { MIDI_CMD_NOTE_OFF | channel, note, 0 };
+ while (_active_notes[note + 128 * channel]) {
+ uint8_t buffer[3] = { ((uint8_t) (MIDI_CMD_NOTE_OFF | channel)), uint8_t (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);
+ /* note that we do not care about failure from
+ push_back() ... should we warn someone ?
+ */
+ 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;
+ /* note that we do not care about failure from
+ write() ... should we warn someone ?
+ */
+ dst.write (time, midi_parameter_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, const MidiSource::Lock& lock, Evoral::Beats 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::Beats> 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_beats (lock, 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 += Evoral::Beats::tick();
}
}
}
+ _on = 0;
}
void
projects / ardour.git / blobdiff