rem: signal->signal_data.found_tag.tag_list = tag_list;
add: signal->signal_data.found_tag.tag_list = gst_tag_list_copy (tag_list);
context: got_found_tag (GstPlay *play, GstElement *source,               GstTagList *tag_list, BaconVideoWidget * bvw){  BVWSignal *signal;    g_return_if_fail (bvw != NULL);  g_return_if_fail (BACON_IS_VIDEO_WIDGET (bvw));    signal = g_new0 (BVWSignal, 1);  signal->signal_id = FOUND_TAG;  signal->signal_data.found_tag.source = source;  signal->signal_data.found_tag.tag_list = tag_list;  g_async_queue_push (bvw->priv->queue, signal);  g_idle_add ((GSourceFunc) bacon_video_widget_signal_idler, bvw);}