[mpeg-OTspec] RE: Proposed Script tag additions

[Peter Constable]

I second this. Several ISO standards allow for registries that allow for data elements to be added to collections without requiring the formal process of an amendment or new addition to the standard. There is no reason why the addition of OT layout tags should require an amendment to ISO/IEC 14496-22.

(Re a specific point in John's question: a registry can formally be part of an ISO standard without requiring a new or amended standard to add to the registry.)

I would suggest that, if there is to be an amendment, that one of the revisions should be to clarify that the OT Layout tag registry is exactly that, a registry, and to identify Microsoft as the ISO-sanctioned Registration Authority for this registry, bringing the standard into alignment with industry practice as it has been since the format was first created.



Peter Constable

From: mpeg-OTspec at yahoogroups.com [mailto:mpeg-OTspec at yahoogroups.com] On Behalf Of John Hudson
Sent: Wednesday, November 10, 2010 12:30 AM
To: Levantovsky, Vladimir
Cc: Michelle Perham; mpeg-OTspec at yahoogroups.com
Subject: Re: [mpeg-OTspec] RE: Proposed Script tag additions



Vladimir wrote:

> Also, if we decide to recommend a new amendment for 14496-22, are there
> any other proposed changes or new items that we should discuss and/or
> consider for inclusion in this future amendment? I would like to ask all
> AHG members to please bring your ideas and proposals for the AHG
> discussion as part of this new work item.

This seems a good opportunity to enquire, again, whether the OTL feature
tag registry is considered a formal part of the specification, and what
the process for proposing and registering new OTL features should be.

JH

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