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Re: [rtcweb] Rejecting MediaStreamTracks in JSEP

Magnus Westerlund <magnus.westerlund@ericsson.com> Thu, 13 February 2014 09:05 UTC

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Date: Thu, 13 Feb 2014 10:05:47 +0100
From: Magnus Westerlund <magnus.westerlund@ericsson.com>
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To: Justin Uberti <juberti@google.com>, Jonathan Lennox <jonathan@vidyo.com>
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Cc: Cullen Jennings <fluffy@cisco.com>, Harald Alvestrand <hta@google.com>, "rtcweb@ietf.org" <rtcweb@ietf.org>, mmusic <mmusic@ietf.org>
Subject: Re: [rtcweb] Rejecting MediaStreamTracks in JSEP
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On 2014-02-04 01:05, Justin Uberti wrote:

> 
> Agree that msid should map m-line to MST, but it would seem recv-msid
> could map RTP flow to m=line as well as indicate whether the receiver is
> in fact interested in receiving the MST associated with said m= line.
> Note that recv-msid doesn't specify an actual MSID; its purpose is to
> indicate that the receiver wants to receive data from the remote side's
> MST, and provide a mechanism for the sender to mark the data
> accordingly. (Which ends up seeming a lot like appid.)
> 

A question here, what are you really trying to reject?

Is it the MST, a particular RTP Stream (Id by SSRC) or the usage of this
media description (m= block)  in a particular direction (i.e. SDP internal)?

I think the solution differs quite a lot depending on what you really
try to accomplish.

cheers

Magnus Westerlund

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