Re: [webrtc-stats] What does a "transport" consider as "payload"? (#507)

This becomes complex due to the way RTCP is structured.
RTP is simple: If you have an SSRC in the header, that's the SSRC that the packet belongs to.
But with destination-to-source RTCP, the SSRC in the header is the somewhat-arbitrarily assigned "SSRC used for report source", and the really relevant SSRCs (more than one!) are deeply buried in the payload.

Suggestion: Make it clear that outbound-rtp only counts RTP packets for this SSRC. If we want to know how much goes to RTCP, we may add more counters - but I'd think that this should not be a counter indexed on SSRC.

(Really happy to see transport + candidate-pair add up exactly in this case, though!)

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Received on Saturday, 15 March 2025 20:16:06 UTC