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w3c / webrtc-extensions

A repository for experimental additions to the WebRTC API
https://w3c.github.io/webrtc-extensions/
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need API to control audio nack & audio RTX #119

Open bdrtc opened 2 years ago

bdrtc commented 2 years ago

1.webrtc support audio nack, but its disabled default, currently user can only active this via munging SDP. most webrtc platform enable audio nack via munging sdp（include google meet also:>）.

  1. audio nack does't support rtx while video do support.

is it necessary to clarify those in extension spec?

aboba commented 2 years ago

In terms of explicit API support, this was supported in the ORTC API via the RTCRtpFeedback dictionary. So it would be possible to support it, if there is implementer interest.

bdrtc commented 1 year ago

For 1, we can active audio retransmission via munging SDP, but for audio rtx feature, there is no similar way to active it in web , audio rtx is necessary when nack is used, otherwise , it will corrupt the RTCP statistics.