Use the mp4 track identifier.
@ -2830,6 +2830,8 @@ static int TrackCreateES( demux_t *p_demux, mp4_track_t *p_track,
p_sample->i_type = p_frma->data.p_frma->i_type;
}
p_track->fmt.i_id = p_track->i_track_ID;
/* */
switch( p_track->fmt.i_cat )
{