[webrtc-extensions] Enabling RTCP XR(RRTR/DLRR) support for non-senders (#165)

bdrtc has just created a new issue for https://github.com/w3c/webrtc-extensions:

== Enabling RTCP XR(RRTR/DLRR) support for non-senders  ==
**Background**
There is one use case: use webrtc in receive only mode/non-sender(such as online gaming), in this case, client will not send SR, there is no way to calculate round-trip time by default,  webrtc support rfc3611(RTCP xr) which allow non-senders to calculate round-trip time, but not active by default,   the [remote-outbound-rtp stats](https://w3c.github.io/webrtc-stats/#dom-rtcremoteoutboundrtpstreamstats-roundtriptime) of webrtc-stats spec also describe `roundTripTime` stats need DLRR , calculate rtt is necessary for non-senders use case, nack moudle relay on rtt for nack interval check.

**Suggestion**
as #143 described, we need a control API for active rtcp xr feedback.


Please view or discuss this issue at https://github.com/w3c/webrtc-extensions/issues/165 using your GitHub account


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Received on Saturday, 6 May 2023 03:55:19 UTC