add: const char *short_title, *artist;  artist = xine_get_meta_info (gtx->priv->stream, XINE_META_INFO_ARTIST); short_title = xine_get_meta_info (gtx->priv->stream, XINE_META_INFO_TITLE);  if (artist == NULL && short_title == NULL) return NULL;  if (artist == NULL && short_title != NULL) return g_strdup (short_title);  if (artist != NULL && short_title != NULL) return g_strdup_printf ("%s - %s", artist, short_title);
context: *gtk_xine_properties_get_title (GtkXine *gtx){	return NULL;}