- From: David Singer <singer@apple.com>
- Date: Tue, 28 Sep 2010 15:33:04 -0700
- To: tmichel@w3.org
- Cc: public-media-annotation@w3.org, Joakim Söderberg <joakim.soderberg@ericsson.com>, Daniel Park <soohong.park@samsung.com>
OK and remove the entries for 'description' for MP4. perhaps remove the suggestion/question to use MPEG-7 as well. thanks, looks good. On Sep 28, 2010, at 15:15 , Thierry MICHEL wrote: > David, > > Thanks for your input. > > I have updated the 3 tables (3GP, MP4,MOV) accordingly, with the small differences you mentioned for "ma:description" and "ma:samplingRate" > > These are now ready to be integrated into the spec. > > Please review and let me know if you are fine > (there are a few question marks which should be resolved: (RFC ????, use MPEG-7, perhaps?) > > > About your issue on the column 'relation', > Relation: the semantic relation. Possible values are: more specific, more general, related, exact, non applicable (N/A). > > see for example > http://dev.w3.org/2008/video/mediaann/mediaont-1.0/mediaont-1.0.html#metadata-mapping-table > > > 3GP table: > http://www.w3.org/2008/WebVideo/Annotations/drafts/ontology10/CR/test.php?table=containerGP > > MP4 table: > http://www.w3.org/2008/WebVideo/Annotations/drafts/ontology10/CR/test.php?table=containerMPEG4 > > MOV table: > http://www.w3.org/2008/WebVideo/Annotations/drafts/ontology10/CR/test.php?table=containerMOV > > > > Best, > > thierry > > > > > > > > > > > > > > > > Le 28/09/2010 19:19, David Singer a écrit : >> Hi guys >> >> I filled out the table for 3GPP, and for 99% of the time this also supplies information for MP4 and Movie files as well. >> >> For all these, the only XPath I know that is defined is selecting a track; in 3GP, MP4 and Movie files, tracks may be identified by track ID, using the ISO/IEC 21000-17:2006 "ffp()" syntax (#ffp(track_ID=101), for example). >> >> The one item that differs between the formats is 'description'. In 3GPP, this is the dscp user-data item. In 'classic' movies, it's probably İinf (information about the movie); but the language codes and text encodings used in classic user-data would need some ... exploring. MP4 files have no native format for expressing this, unless you consider MPEG-7 such. >> >> >> I made the table in Excel; if this is the right information, and the right level of info, Courtney and I could work on getting it into HTML. (I added a column of 'what this item is' for my own reminder, it's not in the normal tables). >> >> I'm not sure I understand all the columns, mind you. What goes in 'relation'? >> >> >> >> This body part will be downloaded on demand. David Singer Multimedia and Software Standards, Apple Inc.
Received on Tuesday, 28 September 2010 22:34:15 UTC