[Webkit-unassigned] [Bug 234066] REGRESSION (Safari 15?): Blob videos slow to pause, affects CBS and CNN

bugzilla-daemon at webkit.org bugzilla-daemon at webkit.org
Tue Jan 18 17:02:01 PST 2022


--- Comment #10 from opendarwin at lapcatsoftware.com ---
(In reply to Peng Liu from comment #9)
> OK. Regarding the reproducing steps, I guess you meant the time between the
> following two event is a few seconds:
> - The console outputs "pause blob: ****".
> - The video pauses (after auto-playing).
> And the expected behavior is: "the video pauses immediately after
> auto-playing", right?
> Without the web inspector things (the breakpoint and action), I did not see
> any issue after clicking the play/pause button. That's why I would like to
> clarify the reproducing steps. Thanks!

Right. The timing of the pause is crucial to reproduce the bug. It might be very difficult to manually pause ASAP after the video starts to play.

I thought you meant something different by the question, and this made me do a little testing. I've now noticed that with the breakpoint and action, the video view and controls become somewhat unresponsive to clicking when the bug occurs. You can expose the <video> element directly to clicking by adding a little CSS to your Safari style sheet:

video ~ div { display:none !important; }

That should hide all of the non-native video controls.

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