References
Libraries
QueryTypeFlags indicate the aspects of the different QueryType values. You can get the type flags of a QueryType with the gst_query_type_get_flags() function.
QueryTypeFlags
QueryType
Set if the query can travel downstream.
Set if the query should be serialized with data flow.
Set if the query can travel upstream.
QueryTypeFlags.DOWNSTREAM
QueryTypeFlags.SERIALIZED
QueryTypeFlags.UPSTREAM