- GtkBuilder *builder, const gchar *name, gint user_data, gboolean all);
-gint ghb_find_audio_track(gint titleindex, const gchar *lang, gint index);
+ signal_user_data_t *ud, const gchar *name, gint user_data, gboolean all);
+gchar* ghb_get_source_audio_lang(gint titleindex, gint track);
+gint ghb_find_audio_track(
+ gint titleindex, const gchar *lang, gint acodec,
+ gint fallback_acodec, GHashTable *track_indices);
+void ghb_add_all_subtitles(signal_user_data_t *ud, gint titleindex);
+gint ghb_find_pref_subtitle_track(const gchar *lang);
+gint ghb_find_subtitle_track(
+ gint titleindex, const gchar *lang, gboolean burn,
+ gboolean force, gint source, GHashTable *track_indices);
+gint ghb_pick_subtitle_track(signal_user_data_t *ud);
+gint ghb_find_cc_track(gint titleindex);