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Published 20 hours ago • verified publisher icon aws

Screen sharing does not work from Safari on an Apple M1

Open MaxQuantumCake opened this issue 3 years ago • 4 comments

bug

Hello ,

Screen sharing does not work from Safari on an Apple M1: in this case remote users do not see what Safari shares.

The problem appears both on the application we are developing and on the AWS demo available here: https://github.com/aws/amazon-chime-sdk-js/tree/master/demos/browser

Test results (on the left the one who shares --> the one who watches):

  • Safari (mac Intel) --> Chrome (mac Intel)✅
  • Safari (mac Intel) --> Chrome (mac M1)✅
  • Safari (mac M1) --> Chrome (mac Intel)❌
  • Safari (mac M1) --> Chrome (mac M1)❌
  • Chrome (mac Intel) --> Safari (mac Intel)✅
  • Chrome (mac Intel) --> Safari (mac M1)✅
  • Chrome (mac M1) --> Safari (mac Intel)✅
  • Chrome (mac M1) --> Chrome (mac M1)✅

For info screen sharing works with Google Meet from Safari on mac M1. I give you this information to eliminate a bug coming from Safari side.

screenshot

webrtc-internals data for screen sharing video, received from Chrome (mac intel) when Safari (mac M1) shares: Screenshot 2021-04-20 at 11 14 52

Platform

  • OS: Mac OS 11.2.3 -- Mac mini M1
  • Browser: Safari
  • Browser Version: 14.0.3 (16610.4.3.1.7)
  • Amazon Chime SDK GitHub Commit: 7438e2ca9c36af7350260554c381087217c9e9ad

MaxQuantumCake avatar Apr 20 '21 09:04 MaxQuantumCake

I'm facing the same issue, thank for reporting it @MaxQuantumCake !

rlebosse avatar Apr 20 '21 13:04 rlebosse

I can reproduce this.

In Safari Tech Preview, setting "GPU Process: Video Capture" causes even the local preview to appear black. That points to an encoder/capture bug in Safari.

I can also reproduce this in https://janus.conf.meetecho.com/screensharingtest.html, so this is not limited to the SDK: it's a browser bug.

richnew10 avatar Apr 21 '21 17:04 richnew10

Filed a Webkit bug: https://bugs.webkit.org/show_bug.cgi?id=236870 Had not found a bug with Webkit around this. Please feel free to update if you have information on similar filed bugs.

devalevenkatesh avatar Feb 19 '22 00:02 devalevenkatesh

This issue is fixed in newer versions of Safari on MacOS Monterey M1 (Not sure if MacOS Big Sur latest version still faces this issue).

Webkit main bug: https://bugs.webkit.org/show_bug.cgi?id=233036

Please update the Safari to latest and see whether this is still an issue.

devalevenkatesh avatar Apr 04 '22 18:04 devalevenkatesh