Atomically modifies a pointer to point to a new object. The reference count of oldobj is decreased and the reference count of newobj is increased. Either newobj and the value pointed to by oldobj may be NULL.
pointer to a place of a GstObject to replace. inout[transfer full]
a new GstObject. [transfer none]
TRUE if newobj was different from oldobj
See Implementation
Atomically modifies a pointer to point to a new object. The reference count of oldobj is decreased and the reference count of newobj is increased. Either newobj and the value pointed to by oldobj may be NULL.