[Webkit-unassigned] [Bug 198545] iOS not hearing other participant

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=198545

Miguel <miguel at demio.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |miguel at demio.com

--- Comment #36 from Miguel <miguel at demio.com> ---
Created attachment 418987

  --> https://bugs.webkit.org/attachment.cgi?id=418987&action=review

simctl_diagnose from simulator iOS 14.4 iPhone 11

We can reproduce this audio issue in our web application quite often in real iPhones and in the simulator too. Please find attached a diagnose. 

The issue happens randomly on the initial load of the browser and refreshing the browser. It can be reproduced consistently after switching back and forth a few times to another Safari tab, another app, or the home screen. 

In this test, the issue is reproduced but not fixed. The video element is not muted, it is created and played on a click event. We do not capture a media stream before or after the video plays. The MediaStream is enabled and has always readyState as live. The video track is remote and plays without issues. The audio track is remote, is not muted, is enabled, and has always readyState as live. 

The only workaround that fixed the issue consistently was playing the audio track through an AudioContext but a secondary issue appeared that might point us to the root cause. When the audio is lost if the MediaStream is played through an AudioContext the audio track plays on the left channel/speaker only.

I tried the following workarounds but they do not solve the issue consistently:

- pause and play and video
- reset the srcObject of the video
- disable and enable the audio track or the MediaStream  

Hope this helps, thanks to everybody!

-- 
You are receiving this mail because:
You are the assignee for the bug.
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.webkit.org/pipermail/webkit-unassigned/attachments/20210202/d599c4c5/attachment.htm>