- From: Thierry MICHEL <tmichel@w3.org>
- Date: Mon, 16 May 2011 16:01:34 +0200
- To: Silvia Pfeiffer <silviapfeiffer1@gmail.com>
- CC: Joakim Söderberg <joakim.soderberg@ericsson.com>, "public-media-annotation@w3.org" <public-media-annotation@w3.org>
Le 16/05/2011 15:34, Silvia Pfeiffer a écrit : > Hi Thierry, > > On Mon, May 16, 2011 at 7:50 PM, Thierry MICHEL<tmichel@w3.org> wrote: >> Hi Sylvia >> >> Providing an RDF file was decided back at the MAWG F2F in Lyon. >> And it is mentioned in our exit Criteria for CR. >> >> Therefore if providing an RDF file is not possible for OGG we should etheir >> change our exit criterie, else formats not providing an RDF would be removed >> from the spec. > > It is possible. I can throw an RDF together to list all the fields > available. I just don't think it makes much sense for metadata that is > encapsulated in a binary file. And this includes other formats such as > QuickTime, too. > > >> Please Sylvia could you join the MAWG telecon tomorrow to discuss this >> issue. > > Sorry, am busy and likely in the wrong timezone. I would appreciate > feedback on this though. > >> Joakim could you add it to the agenda ? >> >> Now about your OGG example, you should provide *all* the properties mapping >> to the properties core set (see ogg mapping table) >> >> >> >> >> like : >> identifier, title, language, locator, contributor, location, description , >> etc. > > You want an example file that has all the fields filled that have been > defined and are possible to be filled? That is easily said for a text > file format, but not so easy for a binary format. I'd have to write > some code for some of the fields, because not all software uses all > fields. Hum, I am not sure how to deal with this, but this does not fit with our current exit criteria. Joakim, could you discuss this tomorrow ? > > Regards, > Silvia. > > >> Best, >> >> thierry >> >> >> >> >> Le 15/05/2011 11:06, Silvia Pfeiffer a écrit : >>> >>> Hi Thierry, >>> >>> I am actually struggling with the requirement of writing an RDF. The >>> formats that we are looking at here are binary formats with fields in >>> a bitstream providing the information that we are after. Even if I >>> come up with an RDF, there will never be a file that you can can parse >>> or create with an RDF file. Do you really need to see a RDF file? Or >>> what is the intention of providing the RDF file? >>> >>> >>> The information that you can use in Ogg is available from the following >>> links: >>> >>> https://wiki.xiph.org/Ogg_Skeleton >>> -> says that the following fields are compulsory >>> Content-type: mime type as per >>> http://wiki.xiph.org/MIME_Types_and_File_Extensions#Codec_MIME_types >>> Role: track role as per http://wiki.xiph.org/SkeletonHeaders#Role >>> Name: a unique free text string >>> >>> https://wiki.xiph.org/SkeletonHeaders >>> -> list other useful message headers for skeleton >>> >>> http://xiph.org/vorbis/doc/v-comment.html >>> https://wiki.xiph.org/Vorbiscomment >>> -> list the meta data available in vorbiscomment headers >>> >>> >>> Now for the attached Ogg file. It has been created with ffmpeg2theora >>> and the following metadata: >>> >>> skeleton of video track: >>> Content-Type: video/theora >>> Role: video/main >>> Name: video_1 >>> >>> skeleton of audio track: >>> Content-Type: audio/vorbis >>> Role: audio/main >>> Name: audio_1 >>> >>> vorbiscomment of both, video and audio track: >>> TITLE=W3C and Twitte >>> DATE=2009-10-08 >>> LOCATION=Sydney >>> ORGANIZATION=Web Directions South >>> COPYRIGHT=CC-BY-SA >>> CONTACT=silviapfeiffer1@gmail.com >>> >>> If this kind of information is sufficient, I will try to get you the >>> same for WebM. >>> >>> Cheers, >>> Silvia. >>> >>> >>> On Wed, May 4, 2011 at 11:07 PM, Thierry MICHEL<tmichel@w3.org> wrote: >>>> >>>> Silvia, >>>> >>>> You may want to check the files already provided. >>>> >>>> http://www.w3.org/2008/WebVideo/Annotations/wiki/Format_mapping_review >>>> >>>> Thierry. >>>> >>>> Le 04/05/2011 12:09, Silvia Pfeiffer a écrit : >>>>> >>>>> Are there example files to do these? >>>>> Silvia. >>>> >>>>> >>>>> Sent from my iPhone >>>>> >>>>> On 04/05/2011, at 7:05 PM, Thierry MICHEL<tmichel@w3.org> wrote: >>>>> >>>>>> All, >>>>>> >>>>>> This is a reminder for the editors of the Metadata examples to send >>>>>> their >>>>>> files (XML and RDF). >>>>>> >>>>>> We are now close to move the Media Ontology document to Candidate Rec >>>>>> (CR) >>>>>> In order to exit CR, we must deliver a set of testcases for each >>>>>> format. >>>>>> So far we have a fair amount of files. >>>>>> >>>>>> But we are still missing the following: >>>>>> >>>>>> QuickTime Courtney >>>>>> 3GP Courtney >>>>>> MP4 Courtney >>>>>> >>>>>> XMP Felix >>>>>> >>>>>> EBUCore Jean-Pierre >>>>>> >>>>>> MediaRDF Vocabulary Tobias >>>>>> LOM v1484-12-1 Tobias >>>>>> METS v1.7 Tobias >>>>>> >>>>>> OGG Sylvia >>>>>> WEBM Silvia >>>>>> >>>>>> Dublin Core Thierry >>>>>> Flash Thierry >>>>>> >>>>>> SMPTE RP210-11 Werner >>>>>> TTML Werner >>>>>> >>>>>> Media RSS v1.1.2 Wonsuk >>>>>> TXFeed v0.9 Wonsuk >>>>>> >>>>>> >>>>>> Deadline for sending these file was set to end of May 2011. >>>>>> >>>>>> Per W3C process, all format missing these files will have to be removed >>>>>> from the Media Ontology specification in order to allow moving forward >>>>>> to >>>>>> PR. >>>>>> Therefore please send your files ASAP. >>>>>> >>>>>> Thierry >>>> >>
Received on Monday, 16 May 2011 14:01:53 UTC