+ return NotePtr();
+}
+
+MidiModel::PatchChangePtr
+MidiModel::find_patch_change (Evoral::event_id_t id)
+{
+ for (PatchChanges::iterator i = patch_changes().begin(); i != patch_changes().end(); ++i) {
+ if ((*i)->id() == id) {
+ return *i;
+ }
+ }
+
+ return PatchChangePtr ();
+}
+
+boost::shared_ptr<Evoral::Event<MidiModel::TimeType> >
+MidiModel::find_sysex (gint sysex_id)
+{
+ /* used only for looking up notes when reloading history from disk,
+ so we don't care about performance *too* much.
+ */
+
+ for (SysExes::iterator l = sysexes().begin(); l != sysexes().end(); ++l) {
+ if ((*l)->id() == sysex_id) {
+ return *l;
+ }
+ }
+
+ return boost::shared_ptr<Evoral::Event<TimeType> > ();
+}
+
+/** Lock and invalidate the source.
+ * This should be used by commands and editing things
+ */
+MidiModel::WriteLock
+MidiModel::edit_lock()
+{
+ boost::shared_ptr<MidiSource> ms = _midi_source.lock ();
+ assert (ms);
+
+ Glib::Mutex::Lock* source_lock = new Glib::Mutex::Lock (ms->mutex());
+ ms->invalidate(); // Release cached iterator's read lock on model
+ return WriteLock(new WriteLockImpl(source_lock, _lock, _control_lock));
+}
+
+/** Lock just the model, the source lock must already be held.
+ * This should only be called from libardour/evoral places
+ */
+MidiModel::WriteLock
+MidiModel::write_lock()
+{
+ boost::shared_ptr<MidiSource> ms = _midi_source.lock ();
+ assert (ms);
+
+ assert (!ms->mutex().trylock ());
+ return WriteLock(new WriteLockImpl(NULL, _lock, _control_lock));
+}
+
+int
+MidiModel::resolve_overlaps_unlocked (const NotePtr note, void* arg)
+{
+ using namespace Evoral;
+
+ if (_writing || insert_merge_policy() == InsertMergeRelax) {
+ return 0;
+ }
+
+ NoteDiffCommand* cmd = static_cast<NoteDiffCommand*>(arg);
+
+ TimeType sa = note->time();
+ TimeType ea = note->end_time();
+
+ const Pitches& p (pitches (note->channel()));
+ NotePtr search_note(new Note<TimeType>(0, 0, 0, note->note()));
+ set<NotePtr> to_be_deleted;
+ bool set_note_length = false;
+ bool set_note_time = false;
+ TimeType note_time = note->time();
+ TimeType note_length = note->length();
+
+ DEBUG_TRACE (DEBUG::Sequence, string_compose ("%1 checking overlaps for note %2 @ %3\n", this, (int)note->note(), note->time()));
+
+ for (Pitches::const_iterator i = p.lower_bound (search_note);
+ i != p.end() && (*i)->note() == note->note(); ++i) {
+
+ TimeType sb = (*i)->time();
+ TimeType eb = (*i)->end_time();
+ OverlapType overlap = OverlapNone;
+
+ if ((sb > sa) && (eb <= ea)) {
+ overlap = OverlapInternal;
+ } else if ((eb >= sa) && (eb <= ea)) {
+ overlap = OverlapStart;
+ } else if ((sb > sa) && (sb <= ea)) {
+ overlap = OverlapEnd;
+ } else if ((sa >= sb) && (sa <= eb) && (ea <= eb)) {
+ overlap = OverlapExternal;
+ } else {
+ /* no overlap */
+ continue;
+ }
+
+ DEBUG_TRACE (DEBUG::Sequence, string_compose ("\toverlap is %1 for (%2,%3) vs (%4,%5)\n", enum_2_string(overlap),
+ sa, ea, sb, eb));
+
+ if (insert_merge_policy() == InsertMergeReject) {
+ DEBUG_TRACE (DEBUG::Sequence, string_compose ("%1 just reject\n", this));
+ return -1;
+ }
+
+ switch (overlap) {
+ case OverlapStart:
+ cerr << "OverlapStart\n";
+ /* existing note covers start of new note */
+ switch (insert_merge_policy()) {
+ case InsertMergeReplace:
+ to_be_deleted.insert (*i);
+ break;
+ case InsertMergeTruncateExisting:
+ if (cmd) {
+ cmd->change (*i, NoteDiffCommand::Length, (note->time() - (*i)->time()));
+ }
+ (*i)->set_length (note->time() - (*i)->time());
+ break;
+ case InsertMergeTruncateAddition:
+ set_note_time = true;
+ set_note_length = true;
+ note_time = (*i)->time() + (*i)->length();
+ note_length = min (note_length, (*i)->length() - ((*i)->end_time() - note->time()));
+ break;
+ case InsertMergeExtend:
+ if (cmd) {
+ cmd->change ((*i), NoteDiffCommand::Length, note->end_time() - (*i)->time());
+ }
+ (*i)->set_length (note->end_time() - (*i)->time());
+ return -1; /* do not add the new note */
+ break;
+ default:
+ /*NOTREACHED*/
+ /* stupid gcc */
+ break;
+ }
+ break;
+
+ case OverlapEnd:
+ cerr << "OverlapEnd\n";
+ /* existing note covers end of new note */
+ switch (insert_merge_policy()) {
+ case InsertMergeReplace:
+ to_be_deleted.insert (*i);
+ break;
+
+ case InsertMergeTruncateExisting:
+ /* resetting the start time of the existing note
+ is a problem because of time ordering.
+ */
+ break;
+
+ case InsertMergeTruncateAddition:
+ set_note_length = true;
+ note_length = min (note_length, ((*i)->time() - note->time()));
+ break;
+
+ case InsertMergeExtend:
+ /* we can't reset the time of the existing note because
+ that will corrupt time ordering. So remove the
+ existing note and change the position/length
+ of the new note (which has not been added yet)
+ */
+ to_be_deleted.insert (*i);
+ set_note_length = true;
+ note_length = min (note_length, (*i)->end_time() - note->time());
+ break;
+ default:
+ /*NOTREACHED*/
+ /* stupid gcc */
+ break;
+ }
+ break;
+
+ case OverlapExternal:
+ cerr << "OverlapExt\n";
+ /* existing note overlaps all the new note */
+ switch (insert_merge_policy()) {
+ case InsertMergeReplace:
+ to_be_deleted.insert (*i);
+ break;
+ case InsertMergeTruncateExisting:
+ case InsertMergeTruncateAddition:
+ case InsertMergeExtend:
+ /* cannot add in this case */
+ return -1;
+ default:
+ /*NOTREACHED*/
+ /* stupid gcc */
+ break;
+ }
+ break;
+
+ case OverlapInternal:
+ cerr << "OverlapInt\n";
+ /* new note fully overlaps an existing note */
+ switch (insert_merge_policy()) {
+ case InsertMergeReplace:
+ case InsertMergeTruncateExisting:
+ case InsertMergeTruncateAddition:
+ case InsertMergeExtend:
+ /* delete the existing note, the new one will cover it */
+ to_be_deleted.insert (*i);
+ break;
+ default:
+ /*NOTREACHED*/
+ /* stupid gcc */
+ break;
+ }
+ break;
+
+ default:
+ /*NOTREACHED*/
+ /* stupid gcc */
+ break;
+ }
+ }
+
+ for (set<NotePtr>::iterator i = to_be_deleted.begin(); i != to_be_deleted.end(); ++i) {
+ remove_note_unlocked (*i);
+
+ if (cmd) {
+ cmd->side_effect_remove (*i);
+ }
+ }
+
+ if (set_note_time) {
+ if (cmd) {
+ cmd->change (note, NoteDiffCommand::StartTime, note_time);
+ }
+ note->set_time (note_time);
+ }
+
+ if (set_note_length) {
+ if (cmd) {
+ cmd->change (note, NoteDiffCommand::Length, note_length);
+ }
+ note->set_length (note_length);
+ }
+
+ return 0;
+}
+
+InsertMergePolicy
+MidiModel::insert_merge_policy () const
+{
+ /* XXX ultimately this should be a per-track or even per-model policy */
+ boost::shared_ptr<MidiSource> ms = _midi_source.lock ();
+ assert (ms);
+
+ return ms->session().config.get_insert_merge_policy ();
+}
+
+void
+MidiModel::set_midi_source (boost::shared_ptr<MidiSource> s)
+{
+ boost::shared_ptr<MidiSource> old = _midi_source.lock ();
+
+ if (old) {
+ old->invalidate ();
+ }
+
+ _midi_source_connections.drop_connections ();
+
+ _midi_source = s;
+
+ s->InterpolationChanged.connect_same_thread (
+ _midi_source_connections, boost::bind (&MidiModel::source_interpolation_changed, this, _1, _2)
+ );
+
+ s->AutomationStateChanged.connect_same_thread (
+ _midi_source_connections, boost::bind (&MidiModel::source_automation_state_changed, this, _1, _2)
+ );
+}
+
+/** The source has signalled that the interpolation style for a parameter has changed. In order to
+ * keep MidiSource and ControlList interpolation state the same, we pass this change onto the
+ * appropriate ControlList.
+ *
+ * The idea is that MidiSource and the MidiModel's ControlList states are kept in sync, and one
+ * or the other is listened to by the GUI.
+ */
+void
+MidiModel::source_interpolation_changed (Evoral::Parameter p, Evoral::ControlList::InterpolationStyle s)
+{
+ Glib::Mutex::Lock lm (_control_lock);
+ control(p)->list()->set_interpolation (s);
+}
+
+/** A ControlList has signalled that its interpolation style has changed. Again, in order to keep
+ * MidiSource and ControlList interpolation state in sync, we pass this change onto our MidiSource.
+ */
+void
+MidiModel::control_list_interpolation_changed (Evoral::Parameter p, Evoral::ControlList::InterpolationStyle s)
+{
+ boost::shared_ptr<MidiSource> ms = _midi_source.lock ();
+ assert (ms);
+
+ ms->set_interpolation_of (p, s);
+}
+
+void
+MidiModel::source_automation_state_changed (Evoral::Parameter p, AutoState s)
+{
+ Glib::Mutex::Lock lm (_control_lock);
+ boost::shared_ptr<AutomationList> al = boost::dynamic_pointer_cast<AutomationList> (control(p)->list ());
+ al->set_automation_state (s);
+}
+
+void
+MidiModel::automation_list_automation_state_changed (Evoral::Parameter p, AutoState s)
+{
+ boost::shared_ptr<MidiSource> ms = _midi_source.lock ();
+ assert (ms);
+ ms->set_automation_state_of (p, s);
+}
+
+boost::shared_ptr<Evoral::Control>
+MidiModel::control_factory (Evoral::Parameter const & p)
+{
+ boost::shared_ptr<Evoral::Control> c = Automatable::control_factory (p);
+
+ /* Set up newly created control's lists to the appropriate interpolation and
+ automation state from our source.
+ */
+
+ boost::shared_ptr<MidiSource> ms = _midi_source.lock ();
+ assert (ms);
+
+ c->list()->set_interpolation (ms->interpolation_of (p));
+
+ boost::shared_ptr<AutomationList> al = boost::dynamic_pointer_cast<AutomationList> (c->list ());
+ assert (al);
+
+ al->set_automation_state (ms->automation_state_of (p));
+
+ return c;
+}
+
+boost::shared_ptr<const MidiSource>
+MidiModel::midi_source ()
+{
+ return _midi_source.lock ();
+}
+
+/** Moves notes, controllers and sys-ex to insert silence at the start of the model.
+ * Adds commands to the session's current undo stack to reflect the movements.
+ */
+void
+MidiModel::insert_silence_at_start (TimeType t)
+{
+ boost::shared_ptr<MidiSource> s = _midi_source.lock ();
+ assert (s);
+
+ /* Notes */
+
+ if (!notes().empty ()) {
+ NoteDiffCommand* c = new_note_diff_command ("insert silence");
+
+ for (Notes::const_iterator i = notes().begin(); i != notes().end(); ++i) {
+ c->change (*i, NoteDiffCommand::StartTime, (*i)->time() + t);
+ }
+
+ apply_command_as_subcommand (s->session(), c);
+ }
+
+ /* Controllers */
+
+ for (Controls::iterator i = controls().begin(); i != controls().end(); ++i) {
+ boost::shared_ptr<AutomationControl> ac = boost::dynamic_pointer_cast<AutomationControl> (i->second);
+ XMLNode& before = ac->alist()->get_state ();
+ i->second->list()->shift (0, t);
+ XMLNode& after = ac->alist()->get_state ();
+ s->session().add_command (new MementoCommand<AutomationList> (new MidiAutomationListBinder (s, i->first), &before, &after));
+ }
+
+ /* Sys-ex */
+
+ if (!sysexes().empty()) {
+ SysExDiffCommand* c = new_sysex_diff_command ("insert silence");
+
+ for (SysExes::iterator i = sysexes().begin(); i != sysexes().end(); ++i) {
+ c->change (*i, (*i)->time() + t);
+ }
+
+ apply_command_as_subcommand (s->session(), c);
+ }