Re: [AVTCORE] Query: Reporting SSRC when you send no streams?

Simon Perreault <sperreault@jive.com> Mon, 08 June 2015 13:59 UTC

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Date: Mon, 08 Jun 2015 07:58:57 -0600
From: Simon Perreault <sperreault@jive.com>
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To: Magnus Westerlund <magnus.westerlund@ericsson.com>, Harald Alvestrand <harald@alvestrand.no>, avt@ietf.org, pbos@google.com
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Subject: Re: [AVTCORE] Query: Reporting SSRC when you send no streams?
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Le 2015-06-08 03:26, Magnus Westerlund a écrit :
> Simon Perreault skrev den 2015-06-04 20:09:
>> Le 2015-06-03 10:33, Harald Alvestrand a écrit :
>>> One thing I think I overlooked: If I (for other reasons) want to send an
>>> RTCP BYE on an SSRC, is that also a promise that I won't be using this
>>> SSRC for sending RR reports?
>>
>> You would use the same SSRC for sending BYEs and RRs.
>>
> 
> If one sends RTCP BYE, then the indicated SSRC is going away for any
> usage, RTP or RTCP to my understanding.

Yup. Straight from the RFC:

"BYE SHOULD be the last packet sent with a given SSRC/CSRC."

So if you need to send a BYE for whatever reason but still want to
listen and send RRs, you need to generate a new SSRC.

Simon