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

Måns Rullgård mans
Wed Jun 11 14:05:12 CEST 2008

Baptiste Coudurier wrote:
> Michael Niedermayer wrote:
>> On Mon, Jun 09, 2008 at 02:30:34PM -0700, Baptiste Coudurier wrote:
>>> Hi all,
>>> Atm current mp4 muxer writes non standard and itunes specific metadata.
>>> I intend to change this behaviour and to writes these metadata only for
>>> -f ipod output format.
>> Iam against this change unless there is an actual application for which
>> the tags cause problems (which really shouldnt be, applications should
>> ignore tags unknown to them, especially if they are within "user data").
> First, correct and standards tags exists for 3gp, so itunes tags should
> not be written for 3gp, nor for mov since equivalent exist.
> Then, as a general attitude, Im against writing non standard features in
> perfectly defined standards.
> If the user wants them he can use -f ipod format, we are not removing
> support for metadata. We created a specific format for this, please
> let's use it and stop spreading that mp4 is ipod/itunes format.

I'm with Baptiste on this one.

M?ns Rullg?rd
mans at mansr.com

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