[webkit-changes] [WebKit/WebKit] 6ff556: Under memory pressure, non active SourceBuffers sh...

[Jean-Yves Avenard]

  Branch: refs/heads/main
  Home:   https://github.com/WebKit/WebKit
  Commit: 6ff5566a514b479065e34a377acd3f6a00173417
      https://github.com/WebKit/WebKit/commit/6ff5566a514b479065e34a377acd3f6a00173417
  Author: Jean-Yves Avenard <jya at apple.com>
  Date:   2023-02-27 (Mon, 27 Feb 2023)

  Changed paths:
    A LayoutTests/media/media-source/media-managedmse-memorypressure-inactive-expected.txt
    A LayoutTests/media/media-source/media-managedmse-memorypressure-inactive.html
    M LayoutTests/platform/glib/TestExpectations
    M Source/WebCore/platform/graphics/SourceBufferPrivate.cpp
    M Source/WebCore/platform/graphics/SourceBufferPrivate.h
    M Source/WebCore/platform/graphics/TrackBuffer.cpp
    M Source/WebKit/WebProcess/GPU/media/SourceBufferPrivateRemote.cpp
    M Source/WebKit/WebProcess/GPU/media/SourceBufferPrivateRemote.h

  Log Message:
  -----------
  Under memory pressure, non active SourceBuffers should be completely emptied
https://bugs.webkit.org/show_bug.cgi?id=252957
rdar://105940463

Reviewed by Youenn Fablet.

Fully clear all track buffers of a non active source buffer as it's not
currently playing.

* LayoutTests/media/media-source/media-managedmse-memorypressure-inactive-expected.txt: Added.
* LayoutTests/media/media-source/media-managedmse-memorypressure-inactive.html: Added.
* LayoutTests/platform/glib/TestExpectations: Memory Pressure handler isn't set on these platforms.
* Source/WebCore/platform/graphics/SourceBufferPrivate.cpp:
(WebCore::SourceBufferPrivate::clearTrackBuffers):
(WebCore::SourceBufferPrivate::memoryPressure):
(WebCore::SourceBufferPrivate::removeCodedFrames): Fly by fix, ensure m_client is set.
* Source/WebCore/platform/graphics/SourceBufferPrivate.h:
* Source/WebKit/WebProcess/GPU/media/SourceBufferPrivateRemote.cpp:
(WebKit::SourceBufferPrivateRemote::clearTrackBuffers):
* Source/WebKit/WebProcess/GPU/media/SourceBufferPrivateRemote.h:

Canonical link: https://commits.webkit.org/260870@main