[FFmpeg-devel] [PATCH] mp4 and ipod metadata

[Michael Niedermayer]

On Thu, Jun 12, 2008 at 10:13:49AM -0700, Baptiste Coudurier wrote:
> Hi Michael,
> 
> Michael Niedermayer wrote:
[...]
> > Additionally 3gpp says: ----------------------- The file-type brands
> > defined in this specification are used to label 3GP files belonging
> > to Release 6 and conforming to one or more profiles. 3GP files may
> > also conform to earlier Releases or even to other file formats, such
> > as MP4, which is also derived from the ISO base media file format
> > [7]. Table 5.1 contains a non-exhaustive list of examples with 3GP
> > files for various purposes. All 3GP files of Release 5 
> 
> AFAIK We are using Release 4 !

release 4 is from 2000/2001

I really think we should try to be conformant to a recent version of it!
Especially if one considers that the mp4 and iso base formats arent
that old themselfs.

Iam a little puzzled why you refuse to accept the more recent versions.
Versions that clarify that iso base compatibility and thus a valid
channel count is mandatory.
Besides id like to repeat that you ignored my objections to the change
of the channel count to a fixed 2.

So I request that this change is reverted, unless you can show that it
has to be 2 for some demuxer hardware of software.

-- 
Michael     GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB

In a rich man's house there is no place to spit but his face.
-- Diogenes of Sinope
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