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-rw-r--r--gtk2_ardour/note_player.cc60
1 files changed, 60 insertions, 0 deletions
diff --git a/gtk2_ardour/note_player.cc b/gtk2_ardour/note_player.cc
new file mode 100644
index 0000000000..3c577633b1
--- /dev/null
+++ b/gtk2_ardour/note_player.cc
@@ -0,0 +1,60 @@
+#include <sigc++/bind.h>
+#include <glibmm/main.h>
+
+#include "ardour/midi_track.h"
+#include "ardour/session.h"
+
+#include "note_player.h"
+
+using namespace ARDOUR;
+using namespace std;
+
+NotePlayer::NotePlayer (boost::shared_ptr<MidiTrack> mt)
+ : track (mt)
+{
+}
+
+void
+NotePlayer::add (boost::shared_ptr<NoteType> note)
+{
+ notes.push_back (note);
+}
+
+void
+NotePlayer::play ()
+{
+ Evoral::MusicalTime longest_duration_beats = 0;
+
+ /* note: if there is more than 1 note, we will silence them all at the same time
+ */
+
+ for (NoteList::iterator n = notes.begin(); n != notes.end(); ++n) {
+ track->write_immediate_event ((*n)->on_event().size(), (*n)->on_event().buffer());
+ if ((*n)->length() > longest_duration_beats) {
+ longest_duration_beats = (*n)->length();
+ }
+ }
+
+ uint32_t note_length_ms = 350;
+ /* beats_to_frames (longest_duration_beats)
+ * (1000 / (double)track->session().nominal_frame_rate()); */
+
+ Glib::signal_timeout().connect(sigc::bind (sigc::ptr_fun (&NotePlayer::_off), this),
+ note_length_ms, G_PRIORITY_DEFAULT);
+}
+
+bool
+NotePlayer::_off (NotePlayer* np)
+{
+ np->off ();
+ delete np;
+ return false;
+}
+
+void
+NotePlayer::off ()
+{
+ for (NoteList::iterator n = notes.begin(); n != notes.end(); ++n) {
+ track->write_immediate_event((*n)->off_event().size(), (*n)->off_event().buffer());
+ }
+}