[Webkit-unassigned] [Bug 219588] New: WebRTC using H.264 on M1 Macs with a built-in camera crashes
bugzilla-daemon at webkit.org
bugzilla-daemon at webkit.org
Sun Dec 6 20:52:23 PST 2020
https://bugs.webkit.org/show_bug.cgi?id=219588
Bug ID: 219588
Summary: WebRTC using H.264 on M1 Macs with a built-in camera
crashes
Product: WebKit
Version: Safari 14
Hardware: Macintosh
OS: macOS 10.15
Status: NEW
Severity: Normal
Priority: P2
Component: WebRTC
Assignee: webkit-unassigned at lists.webkit.org
Reporter: kev at bibo.com.ph
CC: youennf at gmail.com
Created attachment 415536
--> https://bugs.webkit.org/attachment.cgi?id=415536&action=review
Safari WebRTC h.264 crash
WebRTC in Safari and Safari Technology Preview on M1 MacBooks crashes when the codec used is H.264.
Reproduction example:
https://codepen.io/brainshave/pen/qBBWEpM
This codepen allows you to select which codecs will be used to mirror you camera back you. On M1 Macs with a built-in camera,
selecting H.264 and running the example will crash the page. You can uncheck "H.264" and run the example to see that VP8 and VP9 do not exhibit this behavior. This is 100% reproducable for me on a MacBook Air with an M1 chip. This happens in both Safari 14.0.1 (16610.2.11.51.8) and Release 116 (Safari 14.1, WebKit 16611.1.5.3) of Safari Technology Preview.
This crash doesn't occur in Chrome's Apple silicon build, even with H.264 selected.
A crash report from Safari is attached.
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