Comment 2 for bug 481732

The problem is due to a gtk change. Now its needed to put a Gdk lock in the handling GdkWindow
XIDs

The problem was also described here https://bugzilla.gnome.org/show_bug.cgi?id=599885.

See also the explanation mail from gstreamer devel list : http://sourceforge.net/mailarchive/forum.php?thread_name=1258400785.3124.106.camel%40fancy&forum_name=gstreamer-devel