Branch: refs/heads/main
  Home:   https://github.com/WebKit/WebKit
  Commit: 711b192dda30206e0f684a8dbf881f6319519f1a
      
https://github.com/WebKit/WebKit/commit/711b192dda30206e0f684a8dbf881f6319519f1a
  Author: Jean-Yves Avenard <[email protected]>
  Date:   2023-11-13 (Mon, 13 Nov 2023)

  Changed paths:
    M Source/WebCore/Modules/mediasource/SourceBuffer.cpp
    M Source/WebCore/Modules/mediasource/SourceBuffer.h
    M Source/WebCore/platform/graphics/SourceBufferPrivate.cpp
    M Source/WebCore/platform/graphics/SourceBufferPrivateClient.h
    M Source/WebKit/GPUProcess/media/RemoteSourceBufferProxy.cpp
    M Source/WebKit/GPUProcess/media/RemoteSourceBufferProxy.h
    M Source/WebKit/WebProcess/GPU/media/SourceBufferPrivateRemote.cpp
    M Source/WebKit/WebProcess/GPU/media/SourceBufferPrivateRemote.h
    M Source/WebKit/WebProcess/GPU/media/SourceBufferPrivateRemote.messages.in

  Log Message:
  -----------
  [MSE] SourceBuffer incorrectly emits error when timestamps are negative
https://bugs.webkit.org/show_bug.cgi?id=264721
rdar://118315768

Reviewed by Youenn Fablet.

This wasn't in the spec.
The bug linked to in the comment referred to 
https://dvcs.w3.org/hg/html-media/rev/cb96bc1c87c3 in 2014 which drops the 
requirement.

It was dead code, as the steps prior are about dropping frames that are outside 
the WindowAppend range, so "If the decode timestamp is less than the 
presentation start time" will always be false.

Covered by existing tests.

* Source/WebCore/Modules/mediasource/SourceBuffer.cpp:
(WebCore::SourceBuffer::sourceBufferPrivateStreamEndedWithDecodeError): Deleted.
* Source/WebCore/Modules/mediasource/SourceBuffer.h:
* Source/WebCore/platform/graphics/SourceBufferPrivate.cpp:
(WebCore::SourceBufferPrivate::processMediaSample):
* Source/WebCore/platform/graphics/SourceBufferPrivateClient.h:
* Source/WebKit/GPUProcess/media/RemoteSourceBufferProxy.cpp:
(WebKit::RemoteSourceBufferProxy::sourceBufferPrivateStreamEndedWithDecodeError):
 Deleted.
* Source/WebKit/GPUProcess/media/RemoteSourceBufferProxy.h:
* Source/WebKit/WebProcess/GPU/media/SourceBufferPrivateRemote.cpp:
(WebKit::SourceBufferPrivateRemote::sourceBufferPrivateStreamEndedWithDecodeError):
 Deleted.
* Source/WebKit/WebProcess/GPU/media/SourceBufferPrivateRemote.h:
* Source/WebKit/WebProcess/GPU/media/SourceBufferPrivateRemote.messages.in:

Canonical link: https://commits.webkit.org/270631@main


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