W3C home > Mailing lists > Public > public-webrtc@w3.org > August 2015

Re: Need API to read the CSRC on received tracks (#4)

From: Bernard Aboba <Bernard.Aboba@microsoft.com>
Date: Fri, 14 Aug 2015 17:51:12 +0000
To: Cullen Jennings <fluffy@cisco.com>
CC: "public-webrtc@w3.org" <public-webrtc@w3.org>
Message-ID: <00975921-2FF8-4B6B-AF10-9157B5A0DFBC@microsoft.com> 
On Aug 14, 2015, at 08:06, Cullen Jennings <fluffy@cisco.com> wrote:
> 
> There are two things here - the first (which you point out above) is UI to show active speaker in real time. I think this would be very good to have. 
> 
> The second is the audio levels attribute send in the RTP extension from the browser to switch. I think that is critical to have. Without that there is no way to start to enable conferences without keys and I think the WG should prioritize things that helps with privacy - this is one of them. 

[BA] The client-mixer extension (RFC 6464) is indeed very useful, which is why support is mandated in RTP-Usage Section 5.2.2. However the Mixer-Client extension (RFC 6465) is optional in RTP-Usage Section 5.2.3, and the API depends on that to provide audio levels for CSRCs.
Received on Friday, 14 August 2015 17:51:41 UTC

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