+ list<boost::shared_ptr<AudioTrack> > audio_tracks;
+ audio_tracks = session()->new_audio_track (region->n_channels(), output_chan, 0, 1, region->name(), PresentationInfo::max_order);
+ rtav = dynamic_cast<RouteTimeAxisView*> (axis_view_from_stripable (audio_tracks.front()));
+ } else if (boost::dynamic_pointer_cast<MidiRegion> (region)) {
+ ChanCount one_midi_port (DataType::MIDI, 1);
+ list<boost::shared_ptr<MidiTrack> > midi_tracks;
+ midi_tracks = session()->new_midi_track (one_midi_port, one_midi_port, boost::shared_ptr<ARDOUR::PluginInfo>(),
+ (ARDOUR::Plugin::PresetRecord*) 0,
+ (ARDOUR::RouteGroup*) 0, 1, region->name(), PresentationInfo::max_order);
+ rtav = dynamic_cast<RouteTimeAxisView*> (axis_view_from_stripable (midi_tracks.front()));
+ } else {
+ return;