[Ffmpeg-devel] Re: [PATCH] x264 avc encoding, movenc avcC, ctts

Måns Rullgård mru
Thu Feb 23 21:34:36 CET 2006

"bond" <b-o-n-d at gmx.net> writes:

>> > hm, seems ISO has learned that zip exists, here is a working link:
>> >
> http://standards.iso.org/ittf/PubliclyAvailableStandards/c042292_ISO_IEC_14496-12_2005_Cor_1_2005(E).zip
>> Note the "Cor_1" part of the name.  That signifies that this document
>> is a correction to the full text.
> so what? its the full mpeg-4 part 12 spec

The document linked a few lines up contains a single paragraph.  I
found the full text of part 12 too though.

>> How come this document is available for free?  Could it be because it
>> is essentially useless on its own?
> people shouldnt speculate that much, but simply read ;P

That's what I'm doing.

> the doc is definitely very useable, it explains for example the ctts atom
> the codec specific stuff is in the codec specs (14496-2, -10...)

-2 and -10 are not enough to define the file formats.  You need -14
and/or -15 as well.

BTW, why did they decide to abandon 14496-1?

M?ns Rullg?rd
mru at inprovide.com

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