Creates a GtkVideo to play back the given @filename.
This is a utility function that calls [ctor@Gtk.Video.new_for_file], See that function for details.
filename to play back
a new GtkVideo
ConstructionException GTK+ fails to create the object.
See Implementation
Creates a GtkVideo to play back the given @filename.
This is a utility function that calls [ctor@Gtk.Video.new_for_file], See that function for details.