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ISSUE-305 (Profile short names): Register of TTML profiles and short names

From: Timed Text Working Group Issue Tracker <sysbot+tracker@w3.org>
Date: Thu, 01 May 2014 15:49:56 +0000
Message-Id: <E1WftFE-0000SI-T8@shauna.w3.org>
To: public-tt@w3.org
ISSUE-305 (Profile short names): Register of TTML profiles and short names


Raised by: Nigel Megitt
On product: 

In response to the liaison from MPEG File Format group at [1] on Codecs we decided to create a registry of short names against profiles of TTML, recorded as ACTION-284 [2] and to respond to the liaison with this proposal, which we did at [3].

[1] http://lists.w3.org/Archives/Public/public-tt/2014Apr/0005.html
[2] https://www.w3.org/AudioVideo/TT/tracker/actions/284
[3] http://lists.w3.org/Archives/Public/public-tt/2014Apr/0025.html

This was further discussed in the meeting of 1st May 2014, minutes at [4].

[4] http://www.w3.org/2014/05/01-tt-minutes.html

The group did not consider that namespace and schemaLocation would provide useful information for the intended purpose. Rather, it was proposed to create a table including the columns:

   Short name, [required]
   Profile URI, [required]
   Profile document URL, [optional]
   Specification URL,  [optional]
   Electronic representation (e.g. a schema) URL [optional]

This should be coincident with the design already proposed for content and profile designators.

We also noted that the TTML namespace is mutable and that not all profiles or variants have schemas at a known location. Merely referencing a profile defined by another organisation would not constitute any form of endorsement by W3C.

This issue should be used to track further debate on this topic.
Received on Thursday, 1 May 2014 15:49:57 UTC

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