Re: proposed updated response to MPEG on codecs

Le 17/10/2014 00:16, Michael Dolan a écrit :
> Take 2 on the communication to MPEG - attached.  Over to Dave (really this
> time).
Thanks Mike. I'm happy with it.

Cyril
>
> -----Original Message-----
> From: Michael Dolan [mailto:mdolan@newtbt.com]
> Sent: Thursday, October 16, 2014 1:35 PM
> To: 'Timed Text Working Group'
> Subject: RE: proposed updated response to MPEG on codecs
>
> That would be the proper thing to do.
>
> -----Original Message-----
> From: David Singer [mailto:singer@apple.com]
> Sent: Thursday, October 16, 2014 1:07 PM
> To: Glenn Adams
> Cc: Michael Dolan; Timed Text Working Group
> Subject: Re: proposed updated response to MPEG on codecs
>
> Seems that way
>
> On Oct 16, 2014, at 12:57 , Glenn Adams <glenn@skynav.com> wrote:
>
>> we could always define this new MIME media type parameter in TTML2,
>> but
> wouldn't we need to update the current registration?
>> On Thu, Oct 16, 2014 at 1:01 PM, David (Standards) Singer
> <singer@apple.com> wrote:
>> On Oct 16, 2014, at 10:22 , Michael Dolan <mdolan@newtbt.com> wrote:
>>
>>> I cannot support defining a formal media type string (including any
>>> of
> its parameters) on an informal wiki.  This is highly irregular.
>> agreed.  I think that MPEG should say "the mime type the contents
>> would
> have if in a separate file goes here, with any optional parameters" and stop
> at that.
>> So, MPEG doesn't care how irregular we are, but we should not be
> irregular, of course.
>>>   I believe its general syntax and semantics must be normatively
>>> defined
> in TTML2 as part of the media type (and preferably in my view) then
> registered with IANA (not the other way around either).
>> yup
>>
>>>                  Mike
>>>
>>> From: Nigel Megitt [mailto:nigel.megitt@bbc.co.uk]
>>> Sent: Thursday, October 16, 2014 9:23 AM
>>> To: Michael Dolan
>>> Cc: Timed Text Working Group
>>> Subject: Re: proposed updated response to MPEG on codecs
>>>
>>>
>>>
>>>
>>> On 16 Oct 2014, at 16:52, Michael Dolan <mdolan@newtbt.com> wrote:
>>>
>>> Thanks for fixes.   I assume Dave will update before posting.
>>>
>>> As for the your second point, I am not sure that I follow.  We must
> define the new media type parameter formally in TTML2 or our decisions and
> this communication are meaningless.  Is your point that we did not agree as
> a group to register the update with IANA?  I agree, but I also did not say
> that to MPEG (although I personally think we should).
>>>
>>> I was expecting the MIME type parameter to be external to TTML2 and
> defined on the registry page. I'm not against updating the IANA registration
> if that's useful but we haven't decided to do that. If we do, then clearly
> the relevant part of the TTML 2 spec would need updating to match. If we
> don't, then there may be no changes resulting, in TTML2.
>>> Since there may therefore be no change in TTML 2 I don't want to
>>> give
> the wrong impression.
>>> Nigel
>>>
>>>
>>>
>>>                  Mike
>>>
>>> From: Nigel Megitt [mailto:nigel.megitt@bbc.co.uk]
>>> Sent: Thursday, October 16, 2014 8:39 AM
>>> To: Michael Dolan; 'Timed Text Working Group'
>>> Subject: Re: proposed updated response to MPEG on codecs
>>>
>>> Thanks for the quick turnaround Mike. 3 things:
>>>
>>> typo: s/medaType/mediaType
>>> correction: s/procProfile/processorProfiles
>>>
>>> Query: do we want the sentence "Its parameters will be extended in
>>> TTML2
> to include the proposed syntax above." ? Unless we're changing the IANA
> registration then I do not think we have agreed to do this.
>>> Kind regards,
>>>
>>> Nigel
>>>
>>>
>>> From: Michael Dolan <mdolan@newtbt.com>
>>> Date: Thursday, 16 October 2014 16:29
>>> To: 'Timed Text Working Group' <public-tt@w3.org>
>>> Subject: proposed updated response to MPEG on codecs
>>> Resent-From: <public-tt@w3.org>
>>> Resent-Date: Thursday, 16 October 2014 16:30
>>>
>>> Per my action item from today, please see the attached.
>>>
>>> Over to Dave and Nigel for review to see if I captured where we
>>> ended up
> in today's call; then over to Dave to upload to MPEG (or I can if needed).
>>> Time is very short and should be posted Sunday morning CEDT.
>>>
>>> Regards,
>>>
>>>                  Mike
>>>
>>> Michael A DOLAN
>>> TBT, Inc.  PO Box 190
>>> Del Mar, CA 92014
>>> (m) +1-858-882-7497
>>> mdolan@newtbt.com
>> David Singer
>> Manager, Software Standards, Apple Inc.
>>
>>
>>
> David Singer
> Manager, Software Standards, Apple Inc.
>
>


-- 
Cyril Concolato
Multimedia Group / Telecom ParisTech
http://concolato.wp.mines-telecom.fr/
@cconcolato

Received on Friday, 17 October 2014 07:29:17 UTC