RegionView* add_region_view_internal (boost::shared_ptr<ARDOUR::Region>, bool wait_for_waves, bool recording = false);
void remove_region_view (boost::weak_ptr<ARDOUR::Region> );
void remove_audio_region_view (boost::shared_ptr<ARDOUR::AudioRegion> );
RegionView* add_region_view_internal (boost::shared_ptr<ARDOUR::Region>, bool wait_for_waves, bool recording = false);
void remove_region_view (boost::weak_ptr<ARDOUR::Region> );
void remove_audio_region_view (boost::shared_ptr<ARDOUR::AudioRegion> );