260344 2023-08-17 05:54:08 -0700 REGRESSION (iOS 17 Beta): The incoming video remains frozen after using Siri 2024-01-11 05:15:20 -0800 1 1 1 Unclassified WebKit WebRTC Safari 17 Unspecified Other RESOLVED CONFIGURATION CHANGED InRadar P2 Normal --- 1 madara.freimane webkit-unassigned eric.carlson webkit-bug-importer youennf oldest_to_newest 1971801 0 madara.freimane 2023-08-17 05:54:08 -0700 Summary: The incoming video remains frozen after using Siri Tested devices: The bug is reproducible on: - iPhone 11 Pro Max (iOS 17 Public Beta 4, build: 21A5312c) and Safari - iPhone 13 (iOS 17 Public Beta 4, build: 21A5312c) and Safari The bug is not reproducible on: - iPhone 14 Pro (iOS 17 Public Beta 4, build: 21A5312c) and Safari - iPhone 13 (iOS 16.6) and Safari Use case: Precondition: Browser opened on iOS 17 device The User is in an active WebRTC call with audio and video ON Steps: 1. iOS 17 User enables Siri in the middle of the call 2. iOS 17 User stops the Siri and enables it again 3. iOS 17 User observes the incoming video from remote User Actual result: The incoming video remains frozen after using Siri Expected result: The incoming video is still available/recovers after using Siri Reproducibility: 100% Additional information: -Bug is not reproducible on iPhone 14 models, probably, because the call is not interrupted (see bug for Siri + iPhone 14 models: https://bugs.webkit.org/show_bug.cgi?id=246333). -The fix for the bug https://bugs.webkit.org/show_bug.cgi?id=259368 is available with iOS 17 Public Beta 4, and the described problem in this ticket is a remaining problem that is observed using the Siri. -A sysdiagnostics file added: https://drive.google.com/file/d/11ctihhbN4Hw_YLhCpx35eb8vVLluD74A/view?usp=sharing (bug reproduced at 15:39, EET, 17.08.2023.) 1971877 1 webkit-bug-importer 2023-08-17 11:27:27 -0700 <rdar://problem/114037824> 1973528 2 youennf 2023-08-25 08:18:47 -0700 Looking at the sysdiagnose, I can see the following odd MediaSessionManageriOS::endInterruption call: 2023-08-17 15:39:23.589043+0300 0x1344 Default 0x0 358 0 com.apple.WebKit.Networking: (WebKit) [com.apple.WebKit:Media] WebContent[377]: MediaSessionManageriOS::endInterruption(0) I do not really understand how this is possible. @Madara, which webrtc website are you using here? 1975834 3 youennf 2023-09-06 10:07:48 -0700 I am not able to reproduce on my testing device (iPhone 12 Pro) incoming video freezing, either on https://webrtc.github.io/samples/src/content/peerconnection/pc1/ or Web FaceTime. 2004409 4 youennf 2024-01-11 05:15:20 -0800 Marking as configuration changed, please reopen if it still reproduces on your end.