[FFmpeg-devel] [PATCH] Canopus Lossless decoder

Derek Buitenhuis derek.buitenhuis at gmail.com
Sat Jul 28 19:17:23 CEST 2012

On 28/07/2012 1:13 PM, Nicolas George wrote:
> Le primidi 11 thermidor, an CCXX, Derek Buitenhuis a écrit :
>> I can pretty much guarantee they wouldn't approve of such a thing, as they
>> have no IDs of the, and as such, wouldn't the I have it now actually be the
>> 'most compatible' ?
> I think you misunderstood the problem. Here are the details:
> If your patch goes like that into ffmpeg, and then immediately in libav,
> there is no problem, everything is fine.
> If your patch goes like that into ffmpeg, but not in libav (or just not
> immediately), and libav adds another codec id, then their new id will have
> the same value as ffmpeg's CLLC, and this is a catastrophe from ffmpeg's
> point of view (although I guess some people in libav would be very glad to
> break the compatibility).
> If your patch goes with a fourcc into ffmpeg, and later in libav, then
> another codec id can be added to ffmpeg to ensure compatibility. Having two
> codec ids for the same codec is slightly annoying but no more.



Sure is convoluted. Oh well.

- Derek

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