Re: [rtcweb] Convey "label"

Justin Uberti <juberti@google.com> Fri, 09 September 2011 12:57 UTC

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From: Justin Uberti <juberti@google.com>
Date: Fri, 9 Sep 2011 08:58:32 -0400
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To: "Olle E. Johansson" <oej@edvina.net>
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Cc: "rtcweb@ietf.org" <rtcweb@ietf.org>, Colin Perkins <csp@csperkins.org>
Subject: Re: [rtcweb] Convey "label"
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On Fri, Sep 9, 2011 at 3:55 AM, Olle E. Johansson <oej@edvina.net> wrote:

>
> 9 sep 2011 kl. 09:07 skrev Colin Perkins:
>
> > On 9 Sep 2011, at 07:53, Olle E. Johansson wrote:
> >> 9 sep 2011 kl. 08:51 skrev Stefan Håkansson LK:
> >>> there was a discussion yesterday of how to convey the Id (aka "label")
> of a MediaStream object when it is sent over a PeerConnection. Presumable
> this info would be in the SDP offer (or whatever we end up using). There was
> a discussion on if CNAME could be used or if we need something new.
> >>>
> >>> You mentioned that it would be quite easy to add a new element or
> attribute if we would need that. Could you explain a bit more?
> >>
> >> Just a kind reminder that there are application specific fields that we
> can use in RTCP too...
> >
> >
> > I was actually thinking of a new RTCP SDES item type to convey the label.
> >
> Side note: I know we're not talking SIP, but it actually touches Hadriel's
> Session ID proposal too...
>
>
It's not clear to me that we need a MediaStream to have a label, or any
identifier other than CNAME, unless it's meant to be some sort of "display
name" for that particular stream. If there are other expected usages of the
label, I'd be interested to know what they are.