Branch: refs/heads/main
  Home:   https://github.com/WebKit/WebKit
  Commit: f651a6b237e78a2c1fc9493214a3caac5f0852f5
      
https://github.com/WebKit/WebKit/commit/f651a6b237e78a2c1fc9493214a3caac5f0852f5
  Author: Jer Noble <jer.no...@apple.com>
  Date:   2022-11-17 (Thu, 17 Nov 2022)

  Changed paths:
    A 
LayoutTests/http/tests/media/fairplay/fps-mse-play-while-not-in-dom-expected.txt
    A LayoutTests/http/tests/media/fairplay/fps-mse-play-while-not-in-dom.html
    M 
Source/WebCore/platform/graphics/avfoundation/objc/MediaPlayerPrivateMediaSourceAVFObjC.h
    M 
Source/WebCore/platform/graphics/avfoundation/objc/MediaPlayerPrivateMediaSourceAVFObjC.mm
    M 
Source/WebCore/platform/graphics/avfoundation/objc/SourceBufferPrivateAVFObjC.h
    M 
Source/WebCore/platform/graphics/avfoundation/objc/SourceBufferPrivateAVFObjC.mm

  Log Message:
  -----------
  [Cocoa] Encrypted video does not play when not in the DOM
https://bugs.webkit.org/show_bug.cgi?id=248008
rdar://102446042

Reviewed by Eric Carlson.

WebCoreDecompressionSession isn't capable (by design) of decoding encrypted 
content. When
a video element is not in the DOM, a decompression session is created to allow 
the element
to be painted into a canvas. But since decoding encrypted samples will always 
fail, always
create an AVSampleBufferDisplayLayer if any SourceBuffer has an enabled, 
protected video track.

* 
LayoutTests/http/tests/media/fairplay/fps-mse-play-while-not-in-dom-expected.txt:
 Added.
* LayoutTests/http/tests/media/fairplay/fps-mse-play-while-not-in-dom.html: 
Added.
* 
Source/WebCore/platform/graphics/avfoundation/objc/MediaPlayerPrivateMediaSourceAVFObjC.h:
* 
Source/WebCore/platform/graphics/avfoundation/objc/MediaPlayerPrivateMediaSourceAVFObjC.mm:
(WebCore::MediaPlayerPrivateMediaSourceAVFObjC::shouldEnsureLayer const):
(WebCore::MediaPlayerPrivateMediaSourceAVFObjC::needsVideoLayerChanged):
* 
Source/WebCore/platform/graphics/avfoundation/objc/SourceBufferPrivateAVFObjC.h:
* 
Source/WebCore/platform/graphics/avfoundation/objc/SourceBufferPrivateAVFObjC.mm:
(WebCore::SourceBufferPrivateAVFObjC::didProvideContentKeyRequestInitializationDataForTrackID):
(WebCore::SourceBufferPrivateAVFObjC::needsVideoLayer const):
(WebCore::SourceBufferPrivateAVFObjC::trackDidChangeSelected):
(WebCore::SourceBufferPrivateAVFObjC::canEnqueueSample):

Canonical link: https://commits.webkit.org/256805@main


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