When this function returns %TRUE, the next event will be
returned. When %FALSE is returned, gst_pad_sticky_events_foreach() will return.
When @event is set to %NULL, the item will be removed from the list of sticky events.
@event can be replaced by assigning a new reference to it.
This function is responsible for unreffing the old event when
removing or modifying.
Callback used by gst_pad_sticky_events_foreach().
When this function returns %TRUE, the next event will be returned. When %FALSE is returned, gst_pad_sticky_events_foreach() will return.
When @event is set to %NULL, the item will be removed from the list of sticky events. @event can be replaced by assigning a new reference to it. This function is responsible for unreffing the old event when removing or modifying.