* \param newsrc MidiSource to which data will be written. Should be a
* new, empty source. If it already has contents, the results are
* undefined. Source must be writable.
- *
* \param begin time of earliest event that can be written.
* \param end time of latest event that can be written.
- *
- * Returns zero on success, non-zero if the write failed for any
- * reason.
- *
+ * \return zero on success, non-zero if the write failed for any reason.
*/
int write_to (boost::shared_ptr<MidiSource> newsrc,
- Evoral::MusicalTime begin = Evoral::MinMusicalTime,
- Evoral::MusicalTime end = Evoral::MaxMusicalTime);
+ Evoral::MusicalTime begin = Evoral::MinMusicalTime,
+ Evoral::MusicalTime end = Evoral::MaxMusicalTime);
/** Read the data in a given time range from the MIDI source.
* All time stamps in parameters are in audio frames (even if the source has tempo time).
- * \param dst Ring buffer where read events are written
- * \param source_start Start position of the SOURCE in this read context
- * \param start Start of range to be read
- * \param cnt Length of range to be read (in audio frames)
- * \param tracker an optional pointer to MidiStateTracker object, for note on/off tracking
+ * \param dst Ring buffer where read events are written.
+ * \param source_start Start position of the SOURCE in this read context.
+ * \param start Start of range to be read.
+ * \param cnt Length of range to be read (in audio frames).
+ * \param tracker an optional pointer to MidiStateTracker object, for note on/off tracking.
+ * \param filtered Parameters whose MIDI messages will not be returned.
*/
- virtual framecnt_t midi_read (Evoral::EventSink<framepos_t>& dst,
- framepos_t source_start,
- framepos_t start,
- framecnt_t cnt,
- MidiStateTracker* tracker,
- std::set<Evoral::Parameter> const &) const;
+ virtual framecnt_t midi_read (Evoral::EventSink<framepos_t>& dst,
+ framepos_t source_start,
+ framepos_t start,
+ framecnt_t cnt,
+ MidiStateTracker* tracker,
+ const std::set<Evoral::Parameter>& filtered) const;
/** Write data from a MidiRingBuffer to this source.
* @param source Source to read from.
}
}
-
MidiSource::~MidiSource ()
{
}
MidiSource::set_state (const XMLNode& node, int /*version*/)
{
const XMLProperty* prop;
-
if ((prop = node.property ("captured-for")) != 0) {
_captured_for = prop->value();
}
XMLNodeList children = node.children ();
for (XMLNodeConstIterator i = children.begin(); i != children.end(); ++i) {
if ((*i)->name() == X_("InterpolationStyle")) {
- XMLProperty* prop;
-
if ((prop = (*i)->property (X_("parameter"))) == 0) {
error << _("Missing parameter property on InterpolationStyle") << endmsg;
return -1;
}
-
Evoral::Parameter p = EventTypeMap::instance().new_parameter (prop->value());
if ((prop = (*i)->property (X_("style"))) == 0) {
error << _("Missing style property on InterpolationStyle") << endmsg;
return -1;
}
-
- Evoral::ControlList::InterpolationStyle s = static_cast<Evoral::ControlList::InterpolationStyle> (string_2_enum (prop->value(), s));
+ Evoral::ControlList::InterpolationStyle s = static_cast<Evoral::ControlList::InterpolationStyle>(
+ string_2_enum (prop->value(), s));
set_interpolation_of (p, s);
} else if ((*i)->name() == X_("AutomationState")) {
-
- XMLProperty* prop;
-
if ((prop = (*i)->property (X_("parameter"))) == 0) {
error << _("Missing parameter property on AutomationState") << endmsg;
return -1;
}
-
Evoral::Parameter p = EventTypeMap::instance().new_parameter (prop->value());
if ((prop = (*i)->property (X_("state"))) == 0) {
error << _("Missing state property on AutomationState") << endmsg;
return -1;
}
-
AutoState s = static_cast<AutoState> (string_2_enum (prop->value(), s));
set_automation_state_of (p, s);
}
// You're not the boss of me!
}
-/** @param filtered A set of parameters whose MIDI messages will not be returned */
framecnt_t
-MidiSource::midi_read (Evoral::EventSink<framepos_t>& dst, framepos_t source_start,
- framepos_t start, framecnt_t cnt,
- MidiStateTracker* tracker,
- std::set<Evoral::Parameter> const & filtered) const
+MidiSource::midi_read (Evoral::EventSink<framepos_t>& dst,
+ framepos_t source_start,
+ framepos_t start,
+ framecnt_t cnt,
+ MidiStateTracker* tracker,
+ const std::set<Evoral::Parameter>& filtered) const
{
Glib::Threads::Mutex::Lock lm (_lock);
BeatsFramesConverter converter(_session.tempo_map(), source_start);
- DEBUG_TRACE (DEBUG::MidiSourceIO, string_compose ("MidiSource::midi-read() %5 sstart %1 start %2 cnt %3 tracker %4\n",
- source_start, start, cnt, tracker, name()));
+ DEBUG_TRACE (DEBUG::MidiSourceIO,
+ string_compose ("MidiSource::midi_read() %5 sstart %1 start %2 cnt %3 tracker %4\n",
+ source_start, start, cnt, tracker, name()));
if (_model) {
// Read events up to end
++i) {
const framecnt_t time_frames = converter.to(i->time());
if (time_frames < start + cnt) {
- /* convert event times to session frames by adding on the source start position in session frames */
+ // Offset by source start to convert event time to session time
dst.write (time_frames + source_start, i->event_type(), i->size(), i->buffer());
- DEBUG_TRACE (DEBUG::MidiSourceIO, string_compose ("%1: add event @ %2 type %3 size = %4\n",
- _name, time_frames + source_start, i->event_type(), i->size()));
+ DEBUG_TRACE (DEBUG::MidiSourceIO,
+ string_compose ("%1: add event @ %2 type %3 size %4\n",
+ _name, time_frames + source_start, i->event_type(), i->size()));
if (tracker) {
- Evoral::MIDIEvent<Evoral::MusicalTime>& ev (*(reinterpret_cast<Evoral::MIDIEvent<Evoral::MusicalTime>*>
- (const_cast<Evoral::Event<Evoral::MusicalTime>*> (&(*i)))));
- if (ev.is_note_on()) {
- DEBUG_TRACE (DEBUG::MidiSourceIO, string_compose ("\t%1 track note on %2 @ %3 velocity %4\n", _name, (int) ev.note(), time_frames, (int) ev.velocity()));
- tracker->add (ev.note(), ev.channel());
- } else if (ev.is_note_off()) {
- DEBUG_TRACE (DEBUG::MidiSourceIO, string_compose ("\t%1 track note off %2 @ %3\n", _name, (int) ev.note(), time_frames));
- tracker->remove (ev.note(), ev.channel());
- }
+ tracker->track (*i);
}
} else {
- DEBUG_TRACE (DEBUG::MidiSourceIO, string_compose ("%1: reached end with event @ %2 vs. %3\n",
- _name, time_frames, start+cnt));
+ DEBUG_TRACE (DEBUG::MidiSourceIO,
+ string_compose ("%1: reached end with event @ %2 vs. %3\n",
+ _name, time_frames, start+cnt));
break;
}
}
}
void
-MidiSource::mark_midi_streaming_write_completed (Evoral::Sequence<Evoral::MusicalTime>::StuckNoteOption option, Evoral::MusicalTime end)
+MidiSource::mark_midi_streaming_write_completed (Evoral::Sequence<Evoral::MusicalTime>::StuckNoteOption option,
+ Evoral::MusicalTime end)
{
if (_model) {
_model->end_write (option, end);
int
MidiSource::write_to (boost::shared_ptr<MidiSource> newsrc, Evoral::MusicalTime begin, Evoral::MusicalTime end)
{
- newsrc->set_timeline_position(_timeline_position);
+ newsrc->set_timeline_position (_timeline_position);
newsrc->copy_interpolation_from (this);
newsrc->copy_automation_state_from (this);
} else {
newsrc->set_model (_model);
}
-
+
/* this file is not removable (but since it is MIDI, it is mutable) */
boost::dynamic_pointer_cast<FileSource> (newsrc)->prevent_deletion ();
*/
if (_model && _model->edited()) {
-
- // if the model is edited, write its contents into
- // the current source file (overwiting previous contents.
-
- /* temporarily drop our reference to the model so that
- as the model pushes its current state to us, we don't
- try to update it.
- */
+ /* The model is edited, write its contents into the current source
+ file (overwiting previous contents). */
+ /* Temporarily drop our reference to the model so that as the model
+ pushes its current state to us, we don't try to update it. */
boost::shared_ptr<MidiModel> mm = _model;
_model.reset ();
- /* flush model contents to disk
- */
-
+ /* Flush model contents to disk. */
mm->sync_to_source ();
- /* reacquire model */
-
+ /* Reacquire model. */
_model = mm;
} else {
ModelChanged (); /* EMIT SIGNAL */
}
-/** @return Interpolation style that should be used for control parameter \a p */
Evoral::ControlList::InterpolationStyle
MidiSource::interpolation_of (Evoral::Parameter p) const
{
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