query: add gst_clear_query()

Basically, you can use this instead of using gst_query_unref (which
needs to be preceded by a NULL-check).

Also fixes #275
This commit is contained in:
Niels De Graef 2018-11-04 18:55:16 +01:00 committed by Sebastian Dröge
parent 24f1fb252a
commit bb07550c2d

View file

@ -254,6 +254,25 @@ gst_query_unref (GstQuery * q)
gst_mini_object_unref (GST_MINI_OBJECT_CAST (q));
}
/**
* gst_clear_query: (skip)
* @query_ptr: a pointer to a #GstQuery reference
*
* Clears a reference to a #GstQuery.
*
* @query_ptr must not be %NULL.
*
* If the reference is %NULL then this function does nothing. Otherwise, the
* reference count of the query is decreased and the pointer is set to %NULL.
*
* Since: 1.16
*/
static inline void
gst_clear_query (GstQuery ** query_ptr)
{
gst_clear_mini_object (query_ptr);
}
/* copy query */
/**
* gst_query_copy: