235619 2022-01-25 16:20:17 -0800 "outbound-rtp" and "inbound-rtp" WebRTC stats appear prematurely 2022-02-01 16:21:27 -0800 1 1 1 Unclassified WebKit WebRTC Safari 15 Unspecified Unspecified NEW InRadar P2 Normal --- 1 jib webkit-unassigned webkit-bug-importer youennf oldest_to_newest 1833919 0 jib 2022-01-25 16:20:17 -0800 Other browsers tested: Chrome: FAIL (https://crbug.com/1291019) Firefox: OK Edge: FAIL What steps will reproduce the problem? (1) Open https://jsfiddle.net/jib1/h4swg3xb/8/ What is the expected result? 0 outbound-rtp What happens instead? 1 outbound-rtp The spec [1] says: "The lifetime of all RTP monitored objects starts when the RTP stream is first used: When the first RTP packet is sent or received on the SSRC it represents, or when the first RTCP packet is sent or received that refers to the SSRC of the RTP stream." The fiddle doesn't even establish a peer connection. [1] https://w3c.github.io/webrtc-stats/#the-rtp-statistics-hierarchy 1833921 1 jib 2022-01-25 16:21:30 -0800 For inbound-rtp see https://jsfiddle.net/jib1/b32myw94/9/ (here Firefox fails as well, which is https://bugzil.la/1751532) For WPT see https://github.com/w3c/webrtc-stats/issues/619. 1836213 2 webkit-bug-importer 2022-02-01 16:21:27 -0800 <rdar://problem/88354363>