- void add_video_track_entry(Track *dst = 0);
- int add_video_track(int above, Track *dst);
- void add_subttl_track_entry(Track *dst = 0);
- int add_subttl_track(int above, Track *dst);
+ void add_audio_track_entry(int above, Track *dst);
+ Track *add_audio_track(int above, Track *dst);
+ void add_video_track_entry(int above, Track *dst);
+ Track *add_video_track(int above, Track *dst);
+ void add_subttl_track_entry(int above, Track *dst);
+ Track *add_subttl_track(int above, Track *dst);