A function that will be called while processing an event. It takes
ownership of the event and is responsible for chaining up (to
gstbase.collect_pads.CollectPads.eventDefault) or dropping events (such typical cases
being handled by the default handler).
A function that will be called while processing an event. It takes ownership of the event and is responsible for chaining up (to gstbase.collect_pads.CollectPads.eventDefault) or dropping events (such typical cases being handled by the default handler).