[FFmpeg-devel] [PATCH 4/8] metadata: add callbacks to conversion system.

Michael Niedermayer michaelni
Sun Oct 3 21:44:43 CEST 2010

On Sun, Oct 03, 2010 at 09:28:34PM +0200, Anton Khirnov wrote:
> On Tue, Aug 24, 2010 at 02:00:02PM +0200, Michael Niedermayer wrote:
> > 
> > > 
> > > luckily we don't have to, as all the formats i know of have a set of
> > > standard tags that everybody uses => the problem you're proposing
> > > doesn't exist. or do you have an example of a real existing issue
> > > related to this?
> > 
> > id3v2 has
> > composer,performer,lyricist,involved people list,original artist/performer
> > original lyricist, lead pereformer, publisher
> > 
> > which of these would be mapped to author depends on what of them is set
> > also if its converted to a format that supports generic tags all information
> > should be preserved and at the same time standard fields maybe should be
> > filled like author. After that you have a file that can have author and artist
> > set
> Err no, only TPE1 ever gets mapped to artist, since this is what
> everybody agrees on. I'm yet to see a file which has another artist-like
> tag set, but not artist/TPE1. So the problem you're proposing still
> looks purely imaginary to me, and I don't really feel like designing a
> new complicated conversion system because of the issues that don't
> exist.
> And in any case, I don't why is this delaying my patch, this system
> you're proposing is mostly orthogonal to callbacks.

you need no callbacks, a flag that disables convertion is enough

Michael     GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB

Democracy is the form of government in which you can choose your dictator
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