Checking for a parent is not enough, it must have a toplevel one. If widget has no toplevel parent then add it in a GtkWindow, that make it usable from gst-launch-1.0. https://bugzilla.gnome.org/show_bug.cgi?id=751104
Checking for a parent is not enough, it must have a toplevel one. If widget has no toplevel parent then add it in a GtkWindow, that make it usable from gst-launch-1.0. https://bugzilla.gnome.org/show_bug.cgi?id=751104