- From: Thierry MICHEL <tmichel@w3.org>
- Date: Wed, 09 Mar 2011 19:19:17 +0100
- To: Pierre-Antoine Champin <pierre-antoine.champin@liris.cnrs.fr>
- CC: "public-media-annotation@w3.org" <public-media-annotation@w3.org>
- Message-ID: <4D77C4A5.1010901@w3.org>
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 >
Attachments
- text/html attachment: ID3.htm
Received on Wednesday, 9 March 2011 18:19:39 UTC