existing_track = at.front();
} else if (mr) {
- list<boost::shared_ptr<MidiTrack> > mt (_session->new_midi_track (boost::shared_ptr<PluginInfo>(), Normal, 0, 1));
+ list<boost::shared_ptr<MidiTrack> > mt (_session->new_midi_track (ChanCount (DataType::MIDI, 1),
+ ChanCount (DataType::MIDI, 1),
+ boost::shared_ptr<PluginInfo>(),
+ Normal, 0, 1));
if (mt.empty()) {
return -1;