[FFmpeg-devel] [PATCH][RFC] add a list of generic tag names

Anton Khirnov wyskas
Thu Dec 17 08:02:13 CET 2009

On Wed, Dec 16, 2009 at 12:52:46PM -0800, Baptiste Coudurier wrote:
> Hi,
> However I have a problem with changing author from artist and vice-versa.
> mov has:
>     case MKTAG(0xa9,'a','u','t'):
>     case MKTAG(0xa9,'A','R','T'): key = "author";    break;
> Clearly "ART" should be artist, however "aut" seems very much like
> author to me, and only changing "ART" to artist makes sense.

Sorry, I don't understand what is the problem here. 'author' and
'artist' are semantically equal, they both mean 'main creator of the
work'. If mov makes some distinction between 'aut' and 'art', then mov
demuxer should export the tags exactly as they are and there should be a
AVMetadataConv table mapping one of them to 'artist' and the other one
to 'performer' or 'writer' or something.

Anton Khirnov
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