[ CCode ( cname = "GstCollectPadsQueryFunction" , instance_pos = 3.9 ) ]
public delegate bool CollectPadsQueryFunction (CollectPads pads, CollectData pad, Query query)
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 event_default ).
| pads |
the CollectPads that triggered the callback |
| pad |
the Pad that received an event |
| query |
the Event received |
| user_data |
user data passed to set_query_function |
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