[FFmpeg-devel] [PATCH] AAC: Ignore cc_domain for independent (time domain) coupling

Robert Swain robert.swain
Fri Mar 20 22:50:42 CET 2009

On 20/3/09 20:08, Alex Converse wrote:
> On Mon, Mar 16, 2009 at 12:50 PM, Alex Converse<alex.converse at gmail.com>  wrote:
>> On Mon, Mar 9, 2009 at 6:26 PM, Alex Converse<alex.converse at gmail.com>  wrote:
>>> Apparently what to do with the cc_domain flag in the case of
>>> independent (time domain) coupling was discussed during round six of
>>> the AAC integration review and it was decided if cc_domain was 0
>>> (BEFORE_TNS) to error out. However, conformance vector al15_44 sets it
>>> to 0 and the reference decoder decodes it without error or warning in
>>> the same manner as if it were set it to 1. This has been addressed on
>>> mp4-tech and was determined to be legal syntax.
>>> Refs:
>>> * https://lists.mplayerhq.hu/pipermail/ffmpeg-devel/2008-August/051092.html
>>> * http://lists.mpegif.org/pipermail/mp4-tech/2007-May/007389.html
>>> * Conformance Vector al15_44.mp4 /
>>> http://wiki.multimedia.cx/index.php?title=AAC_Conformance_Vectors
>>> Regards,
>>> Alex Converse
>> Apparently I forgot to attach the patch.
> Ping?
> If you already approved this on IRC and I forgot it, sorry.

Oh, yes, we talked about this a while back. I apologise if I didn't 
respond. Looks fine, go ahead and commit.


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