259987 2023-08-09 12:00:30 -0700 H.264 baseline profile is selected but iPhone sends H.264 high profile in the video stream. 2023-08-17 07:25:20 -0700 1 1 1 Unclassified WebKit WebRTC Safari 15 iPhone / iPad iOS 15 NEW https://bugs.webkit.org/show_bug.cgi?id=195124 InRadar P2 Normal --- 1 jbookshar webkit-unassigned webkit-bug-importer youennf oldest_to_newest 1970338 0 jbookshar 2023-08-09 12:00:30 -0700 In our SDP logs we see the following. SDP Offer from iPhone a=fmtp:96 level-asymmetry-allowed=1;packetization-mode=1;profile-level-id=640c1f a=fmtp:98 level-asymmetry-allowed=1;packetization-mode=1;profile-level-id=42e01f a=fmtp:100 level-asymmetry-allowed=1;packetization-mode=0;profile-level-id=640c1f a=fmtp:102 level-asymmetry-allowed=1;packetization-mode=0;profile-level-id=42e01f SDP Answer to iPhone a=fmtp:102 profile-level-id=42e028;packetization-mode=1 Then our decoder reports that even though baseline profile is selected, we are receiving high profile in the video stream. WARN 2023-08-09T17:15:20.067Z From: 0x01020101 0x00000031 DEFAULT 1000463: H264Decoder_Cl::parseSPSProfileIdc: profile High profile (100) not supported I believe we have reported this in the past and a patch to iOS 14 resolved it. 1970627 1 ap 2023-08-10 17:09:45 -0700 Sounds like bug 195124, which is still open. 1971549 2 webkit-bug-importer 2023-08-16 12:01:15 -0700 <rdar://problem/113980881> 1971819 3 jbookshar 2023-08-17 07:25:20 -0700 (In reply to Alexey Proskuryakov from comment #1) > Sounds like bug 195124, which is still open. Yes Long Cheng my co-worker previously entered this bug but I thought it was fixed. Perhaps this is a duplicate then.