- From: Pierre-Antoine Champin <pierre-antoine.champin@liris.cnrs.fr>
- Date: Wed, 09 Mar 2011 20:22:56 +0100
- To: "tmichel@w3.org" <tmichel@w3.org>
- CC: "public-media-annotation@w3.org" <public-media-annotation@w3.org>
I'll do that by tomorrow pa On 03/09/2011 07:19 PM, Thierry MICHEL wrote: > Pierre-Antoine, > > Could you do these updates in the ID3-mapping table at > http://dev.w3.org/2008/video/mediaann/mediaont-1.0/mappings/ID3.htm > > > If you don't have access; I have attached this ID3-mapping table > Update it and send it back to me. I will then upload it if necessary. > > > Thanks. > > Thierry > > Le 09/03/2011 18:10, Pierre-Antoine Champin a écrit : >> Hi all, >> >> this is very embarassing just after the 2nd LC, but when implementing >> the ID3-mapping, I noticed some inconsistencies in the ID3 mapping table... >> >> I consider those changes as mostly editorial, though (conceptual typos, >> if you like). There is no real change in the "spirit" of the spec. >> >> pa >> >> >> >> * the referenced version of ID3 is 2.4, but the mapping table makes >> explicit (href's) and implicit references to the 2.3 specification. >> I vote for defining the mapping w.r.t. 2.4, and leave backward >> compatibility problems to ID3 implementations (for example, Mutagen, the >> python library I used, automatically converts 2.3 ID3 to 2.4). >> >> * title: >> ** remove TALB (it also appears under 'collection' - TALB is the title >> of the album of which the file is a track). >> ** change TIT2 to be an *exact* match >> ** remove TOAL (see 'relation' below - TOAL is the title of the original >> track, in the case of a cover). >> ** remove TIT1 (it also appears under 'description') >> >> * language >> ** the link to ISO_639-2 should be >> http://en.wikipedia.org/wiki/List_of_ISO_639-2_codes >> (currently a link to the french version ;) >> >> * creator: >> ** not clear what 'see composer' means; remove it >> ** add TPE1 as an exact match (NB: this is how it is declared in the >> WebM mapping table) >> >> * contributor: >> ** remove the part about "/"-separated values (deprecated in v2.4, which >> supports "real" multiple-values) >> ** remove TPE1 (see 'creator' above) >> ** remove TOPE ("original performer", in case of a cover; does not seem >> to be a proper contributor) >> ** add TCOM, TPE3, TPE4, TEXT, TMCL, TIPL, TENC (NB: the WebM mapping >> table states that TCOM is contributor) >> ** change all 'contributor' match to 'more specific' >> >> * date >> ** remove TDAT, TYER and TRDA (deprecated in v2.4) >> ** add TDEN, TDRC, TDRL, TDTG as 'more specific' matches >> >> * location >> ** not clear how TCOP is related; remove it (or make it clearer) >> >> * description >> ** remove TIT2 as it is now a match for 'title' >> >> * rating >> ** change POPM to 'exact' match (with a specific rating system) >> >> * relation >> ** remove LINK, as it is a link related to another frame (i.e. URL for a >> contributor), *not* to another media resource >> ** we can keep APIC, but I really would not know how to use it as it >> *embeds* the related resource rather than link to it (make a 'data:' URI??) >> >> * collection >> ** change TALB to 'more specific' match >> >> * frameSize >> ** remove TSIZ: it seems to have been deprecated in 2.4 >> >> * numTracks >> ** remove TRCK: it is the track number, not the number of track >> >> * policy >> ** remove TOWN: it is the owner/licensee, not the license >>
Received on Wednesday, 9 March 2011 19:23:26 UTC