Branch: refs/heads/main
  Home:   https://github.com/WebKit/WebKit
  Commit: 781b0d137b97d8f5abaabfa191b9e97eeaf1d399
      
https://github.com/WebKit/WebKit/commit/781b0d137b97d8f5abaabfa191b9e97eeaf1d399
  Author: Jer Noble <[email protected]>
  Date:   2023-03-03 (Fri, 03 Mar 2023)

  Changed paths:
    A 
LayoutTests/http/tests/media/fairplay/fps-mse-unmuxed-audio-only-expected.txt
    A LayoutTests/http/tests/media/fairplay/fps-mse-unmuxed-audio-only.html
    M 
Source/WebCore/platform/graphics/avfoundation/objc/SourceBufferPrivateAVFObjC.mm

  Log Message:
  -----------
  [Cocoa|MSE] Playback of protected audio tracks stalls
https://bugs.webkit.org/show_bug.cgi?id=253281
rdar://104882715

Reviewed by Eric Carlson.

In 256805@main, a check was added to ensure we did not try to enqueue protected 
samples
if a decompression session existed. However, that did not account for a 
SampleBuffer with
only a protected audio track. Modify the check to test for the existence of a 
displayLayer
only if the track in question is the enabled video track.

* 
LayoutTests/http/tests/media/fairplay/fps-mse-unmuxed-audio-only-expected.txt: 
Added.
* LayoutTests/http/tests/media/fairplay/fps-mse-unmuxed-audio-only.html: Added.
* 
Source/WebCore/platform/graphics/avfoundation/objc/SourceBufferPrivateAVFObjC.mm:
(WebCore::SourceBufferPrivateAVFObjC::canEnqueueSample):

Canonical link: https://commits.webkit.org/261144@main


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