Branch: refs/heads/main
Home: https://github.com/WebKit/WebKit
Commit: fb9b6139ada37294400d2a7d4edcff97bb15c1c8
https://github.com/WebKit/WebKit/commit/fb9b6139ada37294400d2a7d4edcff97bb15c1c8
Author: Enrique Ocaña González <[email protected]>
Date: 2024-09-06 (Fri, 06 Sep 2024)
Changed paths:
M Source/WebCore/html/HTMLMediaElement.cpp
Log Message:
-----------
[HTMLMediaElement] Reschedule timeupdate event if fired too early
https://bugs.webkit.org/show_bug.cgi?id=279055
Reviewed by Xabier Rodriguez-Calvar.
HTMLMediaElement fires 'timeupdate' every 250ms in repeating timer. If the
timer is fired before 250ms from the last occurrence, it is silently skipped
and needs to wait for another 250ms. As a result, the gap between two
following timeupdate events may vary 250-500ms.
This may happen in two cases:
1) Non-periodic timeupdate event is scheduled for any reason.
2) When the difference between two timer calls is lower than 250ms. This may
happen when there are multiple timers to handle at the same time in
ThreadTimers (maxDurationOfFiringTimers).
Original author: Andrzej Surdej <[email protected]>
See: https://github.com/WebPlatformForEmbedded/WPEWebKit/pull/1392
* Source/WebCore/html/HTMLMediaElement.cpp:
(WebCore::HTMLMediaElement::scheduleTimeupdateEvent): Schedule next event on
the remaining time difference so that maxTimeupdateEventFrequency is honored,
instead of waiting a full cycle.
Canonical link: https://commits.webkit.org/283264@main
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