Branch: refs/heads/main
  Home:   https://github.com/WebKit/WebKit
  Commit: 79003b865f9f903646dca04845d072f0a91766fa
      
https://github.com/WebKit/WebKit/commit/79003b865f9f903646dca04845d072f0a91766fa
  Author: Eric Carlson <[email protected]>
  Date:   2026-05-15 (Fri, 15 May 2026)

  Changed paths:
    M Source/WTF/wtf/PlatformHave.h
    M Source/WebCore/PAL/pal/cocoa/AVFoundationSoftLink.h
    M Source/WebCore/PAL/pal/cocoa/AVFoundationSoftLink.mm
    M Source/WebCore/platform/mediastream/cocoa/AVVideoCaptureSource.h
    M Source/WebCore/platform/mediastream/cocoa/AVVideoCaptureSource.mm

  Log Message:
  -----------
  [Cocoa] Use AVCapturePhotoOutputReadinessCoordinator when taking photo
https://bugs.webkit.org/show_bug.cgi?id=313854
rdar://176054992

Reviewed by Youenn Fablet.

When the AVCapturePhotoOutput pipeline is not yet ready, store the pending 
photo settings
and wait for a readiness change callback before dispatching the capture, 
instead of
dispatching immediately and risking failure. Use a 60-second watchdog timer to 
reject
the pending request if readiness is never signaled.

Tested manually.

* Source/WTF/wtf/PlatformHave.h:
* Source/WebCore/PAL/pal/cocoa/AVFoundationSoftLink.h:
* Source/WebCore/PAL/pal/cocoa/AVFoundationSoftLink.mm:
* Source/WebCore/platform/mediastream/cocoa/AVVideoCaptureSource.h:
* Source/WebCore/platform/mediastream/cocoa/AVVideoCaptureSource.mm:
(WebCore::AVVideoCaptureSource::clearSession):
(WebCore::AVVideoCaptureSource::photoOutput):
(WebCore::AVVideoCaptureSource::takePhotoInternal):
(WebCore::AVVideoCaptureSource::dispatchCaptureOnPhotoQueue):
(WebCore::AVVideoCaptureSource::captureReadinessDidChange):
(-[WebCoreAVVideoCaptureSourceObserver addNotificationObservers]):
(-[WebCoreAVVideoCaptureSourceObserver 
captureOutput:didOutputSampleBuffer:fromConnection:]):
(-[WebCoreAVVideoCaptureSourceObserver 
captureOutput:didFinishProcessingPhoto:error:]):
(-[WebCoreAVVideoCaptureSourceObserver 
readinessCoordinator:captureReadinessDidChange:]):
(-[WebCoreAVVideoCaptureSourceObserver deviceConnectedDidChange:]):
(-[WebCoreAVVideoCaptureSourceObserver sessionRuntimeError:]):
(-[WebCoreAVVideoCaptureSourceObserver beginSessionInterrupted:]):
(-[WebCoreAVVideoCaptureSourceObserver endSessionInterrupted:]):

Canonical link: https://commits.webkit.org/313310@main



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