[Mp4-tech] hint MP4 | 3GP file
sunx
sunx pollux.usc.edu
Fri Oct 24 04:38:41 EDT 2003
no hard at all. what you need is to clearly understand the MP-4 file
format. MP4 is actually a tree, where each node is named as "atom". you
can check the "mp4creator" project included in the "MPEG4IP" package. but
if you want to change the order of the atoms, you may need to do more
jobs, coz some atoms are semantically dependent. you may need to apply
multiple passes to dump out the atom tree to the mp4 file. roughly that
may the only difficulty.
On Fri, 24 Oct 2003, Simon Bergweiler wrote:
> Hi Giuliano,
>
> thanks for your help.
>
> Is it very difficult to build such a tool to add hint Tracks to a mp4-file
> or a 3gp-file?
>
> I want to stream a film to my siemens u10 mobile phone, which can play AMR
> (clockrate 8000) and H263.
>
> rgds
>
> Simon
>
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