Re: [rtcweb] Plan A, respun

Martin Thomson <martin.thomson@gmail.com> Fri, 17 May 2013 16:10 UTC

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Date: Fri, 17 May 2013 09:10:04 -0700
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From: Martin Thomson <martin.thomson@gmail.com>
To: Harald Alvestrand <harald@alvestrand.no>
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Subject: Re: [rtcweb] Plan A, respun
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On 16 May 2013 23:31, Harald Alvestrand <harald@alvestrand.no> wrote:
> The demuxing is trivial. In fact, I don't think it's even necessary to
> describe it as "demux on PT"; you can't allow SSRC collision between two
> tracks with different PT anyway.

Let's be very, very precise about this.

Demultiplexing is *always* performed based on SSRC.  It's just that
correlation with signaling components (the m-line in this case) might
use of PT in the absence of prior knowledge of SSRC.

We didn't get this quite right in Plan A.