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

Måns Rullgård mans
Sat Feb 23 16:53:38 CET 2008

Mark Himsley <mark at mdsh.com> writes:

> M?ns Rullg?rd wrote:
>> I don't like inventing new, fake formats for each and every
>> variation.  Things like this should be passed as flags/parameters to
>> the mp4 muxer instead.  If there is no way of doing that currently,
>> lavf should be extended to support it.
> I agree with your logic, but I was following the way -f psp is implemented.
> Are you suggesting a completely new parameter such as -mp4opts that will 
> take values of, for instance, 'psp' or 'ipod' to manipulate the way the 
> mp4 is headers are created?

No, I'm suggesting a format-independent way of passing extra
parameters to the (de)muxer.  No, I don't have a detailed proposal.  I
don't buy Apple stuff, so I have no need for such hacks.

> Or would you suggest adding more values to, lets say, the -fflags 
> parameter?

We'd probably run out of space there pretty soon...

M?ns Rullg?rd
mans at mansr.com

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