[webkit-changes] [WebKit/WebKit] da8086: [iOS] Camera track is sometimes muted/unmuted when...

[youennf]

  Branch: refs/heads/main
  Home:   https://github.com/WebKit/WebKit
  Commit: da808677339de833db3e1d36ca34dda8464b4638
      https://github.com/WebKit/WebKit/commit/da808677339de833db3e1d36ca34dda8464b4638
  Author: Youenn Fablet <youenn at apple.com>
  Date:   2024-05-18 (Sat, 18 May 2024)

  Changed paths:
    M Source/WebCore/platform/mediastream/mac/AVVideoCaptureSource.h
    M Source/WebCore/platform/mediastream/mac/AVVideoCaptureSource.mm

  Log Message:
  -----------
  [iOS] Camera track is sometimes muted/unmuted when starting to capture
https://bugs.webkit.org/show_bug.cgi?id=274211
rdar://125475254

Reviewed by Eric Carlson.

There is a race condition below WebKit between media endowment activation and camera start-u.
This sometimes triggers spurious notification of being muted on iOS.
We add a timer that will delay mute notifications at startup time for 1 second.

Manually tested.

* Source/WebCore/platform/mediastream/mac/AVVideoCaptureSource.h:
* Source/WebCore/platform/mediastream/mac/AVVideoCaptureSource.mm:
(WebCore::AVVideoCaptureSource::AVVideoCaptureSource):
(WebCore::AVVideoCaptureSource::startupTimerFired):
(WebCore::AVVideoCaptureSource::startProducingData):
(WebCore::AVVideoCaptureSource::captureSessionIsRunningDidChange):

Canonical link: https://commits.webkit.org/278952@main



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