[FFmpeg-devel] [PATCH] add uuid box to MP4 to make h.264 play on iPod

Mark Himsley mark
Sun Feb 24 21:15:04 CET 2008

Reimar D?ffinger wrote:
>>> Remove the h264 check please, unless it breaks other files on the ipod OR
>>> apples own tools omit it as well.
>> Apple's own tools omit the uuid tag unless they are outputting H.264. i.e.
>> * Apple QuickTime Pro does NOT output the uuid tag with MPEG 4 part 2 video 
>> in an MP4 container.
> Which does not say much since if I understood things right, the ipod can
> not play this anyway.

iPods CAN play MPEG 4 part 2 in an MP4 container and it does NOT require 
the uuid atom.

>> * Apple QuickTime Pro DOES output the uuid tab with MPEG4 part 10 video in 
>> an MP4 container.
> My very personal guess is that this id has the meaning "yes, you can
> play that, ipod!", in which case -f ipod should set it always...

Apple ONLY require uuid atom on H.264 material.


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