[Webkit-unassigned] [Bug 208209] New: No microphone input captured from getUserMedia after phone call.

bugzilla-daemon at webkit.org bugzilla-daemon at webkit.org
Tue Feb 25 10:15:54 PST 2020


            Bug ID: 208209
           Summary: No microphone input captured from getUserMedia after
                    phone call.
           Product: WebKit
           Version: Safari 13
          Hardware: iPhone / iPad
                OS: iOS 13
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: Web Audio
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: jeremy.dagorn at gmail.com

We are seeing this issue on Mobile Safari on iOS 13.3.1.

Steps to reproduce are:

- Microphone access is allowed in tab
- Start recording
- Get phone call and answer, then hang up
- Microphone is muted while the call is going on.
- Refresh the page
- Try recording again
- We don't get any input from the microphone

Closing the tab and re-opening fixes the issue.

getUserMedia doesn't throw any error, and the stream we are getting looks perfectly normal, except that we don't get any data.
The only way to get microphone data again is to close the tab and re-open, which seems a bit too brutal.

Happy to provider more information if needed.

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