func (b *Bus) TimedPopFiltered(timeout uint64, types MessageType) *Message { return (*Message)(C.gst_bus_timed_pop_filtered(b.g(), C.GstClockTime(timeout), C.GstMessageType(types))) }
func (b *Bus) Poll(events MessageType, timeout int64) *Message { return (*Message)(C.gst_bus_poll(b.g(), C.GstMessageType(events), C.GstClockTime(timeout))) }
func (b *Bus) PopFiltered(types MessageType) *Message { return (*Message)(C.gst_bus_pop_filtered(b.g(), C.GstMessageType(types))) }