A function that will be called while processing a query. It takes ownership of the query and is responsible for chaining up (to events downstream (with gst_pad_event_default()).
the #GstCollectPads that triggered the callback
the #GstPad that received an event
the #GstEvent received
A function that will be called while processing a query. It takes ownership of the query and is responsible for chaining up (to events downstream (with gst_pad_event_default()).