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Re: [Reminder] editors of the Metadata examples to send their files

From: Thierry MICHEL <tmichel@w3.org>
Date: Mon, 16 May 2011 16:01:34 +0200
Message-ID: <4DD12E3E.5060303@w3.org>
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 GMT

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