[Webkit-unassigned] [Bug 252465] In PWA, HTML Video Element may be unable to play stream from 'getUserMedia()'

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=252465

--- Comment #14 from cube at dynamsoft.com ---
(In reply to thompsoncwt from comment #12)
> I wrestled with this bug for many months but I think I finally discovered
> what triggers it. It seems (to me) that it is triggered when you close the
> app while a portion of the video is off-screen, or after it has been sent
> off-screen. 
> 
> Two ways that seem to reliably reproduce the bug:
> 1. Have the video element/recording be bigger than the screen and part of
> the video is clipped or off-screen, then close the app.
> 2. Have no part of the video element be off screen, but send it off screen
> for example by using a text input that brings up the keyboard, then close
> the app.
> 
> After either of those 2 things happen, the app will no longer be able to
> play the stream from getUserMedia(), even after closing and reopening the
> app. #2 is especially frustrating for my situation because I prompt users to
> input a title for their recording, which can trigger the bug if users close
> the app while on that page. This only happens while the app is in PWA mode
> on iOS, never while using the Safari browser on iOS, and never on a Mac or
> other PC with either Safari or Chrome.
> 
> The only way I've found to recover functionality is to either restart the
> device like mentioned by Chris, or what has worked for me is closing the app
> while the prompt that asks the users to Allow the app to access microphone
> and camera is visible on screen.

After avoiding the two situations mentioned above, my app works fine(in iPhone mini12 IOS 16.3). However, after I upgraded my iPhone to ios 16.4 today, the bug comes back!!!

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