Re: updated profile registry

On Wed, Sep 23, 2015 at 3:15 PM, Michael Dolan <mdolan@newtbt.com> wrote:

> Yes, understood – saw that.  I just misremembered that it had been
> codified there.
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> Perhaps TTML2 doesn’t need the shorthand (tokens or operators) at all.
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> FYI, we are trying to decouple the registry from both TTM2’s publication
> schedule and any substantive technical provisions such that it can be
> approved for publication as a Note by TTWG consensus. This forces an
> informative suggestion in the registry since the details are not codified
> elsewhere.
>

If this syntax is to be used with some yet to be defined parameter to be
used with a MIME type specification, then it could be defined wherever that
parameter is defined. For example, if a 'codec' or 'codecs' parameter is
defined for use with application/ttml+xml, then it could be defined in that
context.


>
>
> Regards,
>
>
>
>                 Mike
>
>
>
> *From:* Glenn Adams [mailto:glenn@skynav.com]
> *Sent:* Wednesday, September 23, 2015 1:58 PM
> *To:* Michael Dolan <mdolan@newtbt.com>
> *Cc:* TTWG <public-tt@w3.org>
> *Subject:* Re: updated profile registry
>
>
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> On Wed, Sep 23, 2015 at 1:46 PM, Michael Dolan <mdolan@newtbt.com> wrote:
>
> I’ve updated the profile registry based on comments received.  Note that
> the URL has changed:
>
> https://www.w3.org/wiki/TTML/ProfileRegistry
>
> FYI, a redirect survives at the “…CodecsRegistry” URL.
>
>
>
> I addressed the comments (I think) as agreed except for one – after
> further thought I decided to delete the example rather than try to further
> explain 14496-30 informatively.
>
>
>
> I thought the combination syntax was in TTML2, but it is not (should be).
> So, I left in an informative suggestion for applications using the registry
> to enable it.
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>
> TTML2 uses a more verbose, less compact syntax for expressing conjunctive
> and disjunctive combination, about which see [1], which employs any() and
> all() functions. We abbreviated these in the proposed syntax in the
> registry to accommodate the desire for an abridged representation.
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> IMO, we do not need the abridged syntax in TTML2 itself.
>
>
>
> [1]
> https://dvcs.w3.org/hg/ttml/raw-file/tip/ttml2/spec/ttml2.html#profile-attribute-processorProfiles
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> I vaguely recall a 2nd update email on the EBU URN’s but I can’t find it.
> If my memory is in fact better than my email filing, then apologies and
> please send me the changes again.
>
>
>
> Regards,
>
>
>
>                 Mike
>
>
>
> -------------------------
>
> Michael A DOLAN
>
> TBT, Inc. PO Box 190
>
> Del Mar, CA 92014
>
> (m) +1-858-882-7497
>
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>