Re: [MMUSIC] Change Alert [Re: Modifying an approved document: MSID]

fine with me

On Fri, Jan 27, 2017 at 7:20 PM, Bernard Aboba <bernard.aboba@gmail.com> wrote:
> I am in favor of the change.
>
> On Thu, Jan 26, 2017 at 5:54 AM, Flemming Andreasen <fandreas@cisco.com>
> wrote:
>>
>> Hi Harald
>>
>> Since the document is not yet in Auth48 and the change is relatively
>> minor, it is possible to update it during Auth48.
>>
>> However, from an MMUSIC chair point of view, I would like to get positive
>> confirmation from some of the stakeholders that this change is indeed
>> desired. Similarly, if anybody has any concerns with the suggested change,
>> please send an e-mail to that effect.
>>
>> Thanks
>>
>> -- Flemming (as MMUSIC co-chair)
>>
>>
>>
>> On 1/23/17 10:18 AM, Harald Alvestrand wrote:
>>>
>>> Den 19. jan. 2017 13:31, skrev Harald Alvestrand:
>>>>
>>>> Ted pointed out to me that I sent this to the wrong group.
>>>>
>>>> Chairs and members, please advise.
>>>
>>> My proposed change is here:
>>>
>>> https://github.com/alvestrand/rtcweb-msid/pull/16
>>>
>>> The filed issue is here:
>>>
>>> https://github.com/alvestrand/rtcweb-msid/issues/15
>>>
>>> (CCing RTCWEB - please keep discussion, if any, on mmusic)
>>>
>>>>
>>>>
>>>> -------- Forwarded Message --------
>>>> Subject:        [rtcweb] Modifying an approved document: MSID
>>>> Date:   Wed, 18 Jan 2017 23:22:14 +0100
>>>> From:   Harald Alvestrand <harald@alvestrand.no>
>>>> To:     rtcweb@ietf.org <rtcweb@ietf.org>
>>>>
>>>>
>>>>
>>>> When reviewing the implications of the PeerConnection API change to
>>>> support AddTrack rather than AddStream, I found an issue.
>>>>
>>>> This issue concerns draft-ietf-rtcweb-msid, which is currently in
>>>> REF-WAIT state (I believe).
>>>>
>>>> The issue is that it is possible to add a track without specifying a
>>>> stream. Since the track's ID needs to be carried, we have to send an
>>>> "a=msid" line, but the track's ID is the *second* field on that line,
>>>> with the first being the stream's ID.
>>>>
>>>> This creates a problem.
>>>>
>>>> Suggested fix: Insert two lines in the document:
>>>>
>>>> 1) On SDP generation:
>>>>
>>>> "If there is no stream associated with the track, use the reserved ID
>>>> value '-'"
>>>>
>>>> 2) On SDP parsing
>>>>
>>>> "If the stream ID is the reserved value '-', the track is not associated
>>>> with a stream, and no stream is signalled or created."
>>>>
>>>> If this is OK with the community, I'll issue an updated draft with this
>>>> change.
>>>>
>>>>
>>>> --
>>>> Surveillance is pervasive. Go Dark.
>>>>
>>>> _______________________________________________
>>>> rtcweb mailing list
>>>> rtcweb@ietf.org
>>>> https://www.ietf.org/mailman/listinfo/rtcweb
>>>>
>>>>
>>>>
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>>>>
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>>> .
>>>
>>
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-- 
Victor Pascual Ávila