Branch: refs/heads/main
  Home:   https://github.com/WebKit/WebKit
  Commit: c76e79654cc0ce12d8995b92b5378bbecd669702
      
https://github.com/WebKit/WebKit/commit/c76e79654cc0ce12d8995b92b5378bbecd669702
  Author: Jean-Yves Avenard <[email protected]>
  Date:   2026-06-29 (Mon, 29 Jun 2026)

  Changed paths:
    M LayoutTests/ipc/media-containment-bypass-create-player.html
    M LayoutTests/media/media-source/media-managedmse-aac-shared-format.html
    M LayoutTests/media/media-source/media-managedmse-adts-aac-remove.html
    M LayoutTests/media/media-source/media-managedmse-adts-aac.html
    M Source/WTF/Scripts/Preferences/UnifiedWebPreferences.yaml
    M Source/WebCore/Modules/mediasource/MediaSource.cpp
    M Source/WebCore/platform/encryptedmedia/CDMPrivate.cpp
    M Source/WebCore/platform/graphics/MediaPlayer.cpp
    M Source/WebCore/platform/graphics/MediaPlayer.h
    M Source/WebCore/platform/graphics/MediaPlayerEnums.h
    M Source/WebCore/platform/graphics/MediaSourceConfiguration.h
    M 
Source/WebCore/platform/graphics/avfoundation/objc/MediaPlayerPrivateMediaSourceAVFObjC.mm
    M 
Source/WebCore/platform/graphics/avfoundation/objc/SourceBufferParserAVFObjC.mm
    M Source/WebCore/platform/graphics/cocoa/MediaPlayerPrivateWebM.mm
    M Source/WebKit/GPUProcess/GPUConnectionToWebProcess.cpp
    M Source/WebKit/GPUProcess/media/RemoteMediaPlayerManagerProxy.cpp
    M Source/WebKit/Shared/WebCoreArgumentCodersMedia.serialization.in

  Log Message:
  -----------
  MediaContainmentEnabled preference is now dead code.
https://bugs.webkit.org/show_bug.cgi?id=318005
rdar://180803445

Reviewed by Youenn Fablet.

Following 315910@main and 315963@main MediaContainment is now always active,
regardless of the value of the preference and demuxing always occurs in
the content process. We can remove the preference and its use.

Fly-by: clean-up a bit the handling of engine scope selection.

* LayoutTests/ipc/media-containment-bypass-create-player.html:
* LayoutTests/media/media-source/media-managedmse-aac-shared-format.html:
* LayoutTests/media/media-source/media-managedmse-adts-aac-remove.html:
* LayoutTests/media/media-source/media-managedmse-adts-aac.html:
* Source/WTF/Scripts/Preferences/UnifiedWebPreferences.yaml:
* Source/WebCore/Modules/mediasource/MediaSource.cpp:
(WebCore::MediaSource::createSourceBufferPrivate):
* Source/WebCore/platform/graphics/MediaPlayer.cpp:
(WebCore::MediaPlayer::mediaEngine):
* Source/WebCore/platform/graphics/MediaPlayer.h:
(WebCore::MediaPlayerFactory::supportedScope const):
* Source/WebCore/platform/graphics/MediaPlayerEnums.h:
* Source/WebCore/platform/graphics/MediaSourceConfiguration.h:
* 
Source/WebCore/platform/graphics/avfoundation/objc/MediaPlayerPrivateMediaSourceAVFObjC.mm:
* 
Source/WebCore/platform/graphics/avfoundation/objc/SourceBufferParserAVFObjC.mm:
(WebCore::SourceBufferParserAVFObjC::SourceBufferParserAVFObjC):
* Source/WebCore/platform/graphics/cocoa/MediaPlayerPrivateWebM.mm:
* Source/WebKit/GPUProcess/GPUConnectionToWebProcess.cpp:
(WebKit::GPUConnectionToWebProcess::canDecodeExtendedType const):
* Source/WebKit/GPUProcess/media/RemoteMediaPlayerManagerProxy.cpp:
(WebKit::RemoteMediaPlayerManagerProxy::playbackEngineForConnection const):
* Source/WebKit/Shared/WebCoreArgumentCodersMedia.serialization.in:

Canonical link: https://commits.webkit.org/316020@main



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