[Mp4-tech] H264: is access unit delimiter required?

[Dave Singer]

At 10:30  -0400 23/10/07, Victor lyamtsev wrote:
>Hello,
>Regarding parsing of H264 stream...
>Do I have to start from searching for Access Unit delimiter to read 
>NAL unit? More to the point: is the Access Unit delimiter required 
>by standard and is it common practice to use it?
>Thanks,
>-vl

It's not required, I believe, and while they are permitted in MP4 
files, I don't think I have ever seen an MP4 file containing one.
You don't say what encapsulation environment you are working in, so 
I'm not sure if this answers your question.
-- 
David Singer
Apple/QuickTime