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

[Michael Niedermayer]

On Wed, Jun 11, 2008 at 07:20:56PM +0100, M?ns Rullg?rd wrote:
> Michael Niedermayer <michaelni at gmx.at> writes:
> 
> > On Wed, Jun 11, 2008 at 01:05:12PM +0100, M?ns Rullg?rd wrote:
> >> 
> >> 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.
> >
> > But you arent mov/mp4 maintainer, while i am and i object to the proposed
> > change unless the existing functionality is provided by some other means.
> >
> > [existing functionality] being having the ipod tags (which do no harm) in
> > other mp4 variants so they can be played on more players.
> 
> How about a command line switch to select metadata format(s)?

Iam fine with that as long as the default is to write all.

[...]

-- 
Michael     GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB

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