The VideoLAN Forums

tks for your replay

I just expect someone who understand the code happened to come here.
whatever...

I'm studying MP4 demux code, and find that there are so many special cases handled in mp4.c. after looking through ISOIEC14496 specs and APPLE's qtfileformat , I still cannot figure out some cases. for example: ..... if( !p_enda ) p_enda = MP4_BoxGet( p_sample, "enda" ); if( p_track->fmt.i...