[webkit-changes] [WebKit/WebKit] fb1ba7: [GStreamer] Add support for I420A VideoFrames

[Philippe Normand]

  Branch: refs/heads/main
  Home:   https://github.com/WebKit/WebKit
  Commit: fb1ba7de16f21af493d0962d48ea510b1dd11bb6
      https://github.com/WebKit/WebKit/commit/fb1ba7de16f21af493d0962d48ea510b1dd11bb6
  Author: Philippe Normand <philn at igalia.com>
  Date:   2023-06-16 (Fri, 16 Jun 2023)

  Changed paths:
    M LayoutTests/platform/glib/TestExpectations
    M LayoutTests/platform/glib/imported/w3c/web-platform-tests/webcodecs/videoFrame-construction.any-expected.txt
    M Source/WebCore/platform/graphics/gstreamer/VideoFrameGStreamer.cpp

  Log Message:
  -----------
  [GStreamer] Add support for I420A VideoFrames
https://bugs.webkit.org/show_bug.cgi?id=258138

Reviewed by Xabier Rodriguez-Calvar.

I420A is 4:2:0 Y, U, V, A layout, so like I420, but with an additional plane for alpha, which maps
to GStreamer's A420 format.

* LayoutTests/platform/glib/TestExpectations:
* LayoutTests/platform/glib/imported/w3c/web-platform-tests/webcodecs/videoFrame-construction.any-expected.txt:
* Source/WebCore/platform/graphics/gstreamer/VideoFrameGStreamer.cpp:
(WebCore::VideoFrame::createI420A):
(WebCore::VideoFrame::copyTo):

Canonical link: https://commits.webkit.org/265243@main