public List<SessionMedia> filter (SessionFilterFunc? func)
func for each media in this.
The result value of
func determines what happens to the media.
func will be called with
this locked so no further actions on this can be performed from
func returns REMOVE, the
media will be removed from this.
func returns KEEP, the media
will remain in this.
func returns REF, the media
will remain in this but will also be added with an additional ref to the result
List of this function..
func is null,
REF will be assumed for all media.
user data passed to
a GList with all media for which