Re: [rtcweb] draft-ietf-rtcweb-rtp-usage: CSRC in the API?

Harald Alvestrand <harald@alvestrand.no> Fri, 22 February 2013 11:08 UTC

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Date: Fri, 22 Feb 2013 12:08:15 +0100
From: Harald Alvestrand <harald@alvestrand.no>
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To: Magnus Westerlund <magnus.westerlund@ericsson.com>
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Cc: "rtcweb@ietf.org" <rtcweb@ietf.org>, "public-webrtc@w3.org" <public-webrtc@w3.org>
Subject: Re: [rtcweb] draft-ietf-rtcweb-rtp-usage: CSRC in the API?
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On 02/22/2013 11:22 AM, Magnus Westerlund wrote:
> On 2013-02-22 10:43, Adam Bergkvist wrote:
>> Reading CSRC info:
>> Right now, the SSRC(s) of a track is only exposed via the Stats API. I
>> think that's the right level if we were to support reading CSRC info as
>> well.
> I don't see how the Stats API comes in here. The information bit I see
> the CRSC list provides is: These MST(s) was used to produce what you
> get. It is a information about original identity of the media sources.
> Thus I would guess that in the API it might be appropriate to map the
> CSRC list to the MST IDs.

Can you expand MST, please?

My googling for "CSRC" and "MST" together only came up with 
"Multi-Session Transmission" (from the COP draft), and that doesn't seem 
to fit.

>
> Please remember that the CSRC list is dynamic and can change frequently.
>
> Cheers
>
> Magnus Westerlund
>
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