add: bvw->priv->media_has_video = TRUE;
context: update_xid (GstPlay* play, gint xid, BaconVideoWidget *bvw){	g_return_if_fail(bvw != NULL);	g_return_if_fail(BACON_IS_VIDEO_WIDGET(bvw));	g_message ("update_xid");	if (bvw->priv->vw)		gst_video_widget_set_xembed_xid(bvw->priv->vw, xid);}