add: if (bvw->priv->mrl == NULL) return FALSE;
context: bacon_video_widget_is_seekable (BaconVideoWidget *bvw){	g_return_val_if_fail (bvw != NULL, 0);	g_return_val_if_fail (BACON_IS_VIDEO_WIDGET (bvw), 0);	g_return_val_if_fail (bvw->priv->xine != NULL, 0);	if (bacon_video_widget_get_stream_length (bvw) == 0)		return FALSE;	return xine_get_stream_info (bvw->priv->stream,			XINE_STREAM_INFO_SEEKABLE);}