Branch: refs/heads/webkitglib/2.38
Home: https://github.com/WebKit/WebKit
Commit: 4bb4bb03fe64f9cc0f7675103d4eed136aa5acaa
https://github.com/WebKit/WebKit/commit/4bb4bb03fe64f9cc0f7675103d4eed136aa5acaa
Author: Alicia Boya Garcia <[email protected]>
Date: 2022-10-12 (Wed, 12 Oct 2022)
Changed paths:
M Source/WebCore/platform/GStreamer.cmake
A Source/WebCore/platform/graphics/gstreamer/AppSinkWorkaround.cpp
A Source/WebCore/platform/graphics/gstreamer/AppSinkWorkaround.h
M Source/WebCore/platform/graphics/gstreamer/GStreamerCommon.cpp
M Tools/Scripts/webkitpy/style/checker.py
Log Message:
-----------
Merge 255431@main - [GStreamer] Introduce workaround for race condition in
appsink
Reviewed by Philippe Normand.
This patch introduces a WebKit-side workaround for this GStreamer bug:
https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/2413
appsink: Fix race condition on caps handling
That race condition causes occasional crashes on MSE flushes following
quality changes.
The workaround consists in registering an element that is a subclass of
appsink with a probe that pushes a redundant caps event if a buffer is
received after a flush. This ensures appsink processes the caps so that
the GstSample later pulled from appsink contains the right caps.
The workaround is only installed if the version of gst-plugins-base is
known to have this bug.
Canonical link: https://commits.webkit.org/255431@main
(cherry picked from commit 840480537fe23ae2745ce76212b60c6c20a37a82)
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