[webkit-changes] [WebKit/WebKit] 7e678d: [Cocoa] WPT Tests referencing "white.webm" render ...

[Jer Noble]

  Branch: refs/heads/main
  Home:   https://github.com/WebKit/WebKit
  Commit: 7e678d8d2dc8c74b2727beba6e8dc9e843edbcb5
      https://github.com/WebKit/WebKit/commit/7e678d8d2dc8c74b2727beba6e8dc9e843edbcb5
  Author: Jer Noble <jer.noble at apple.com>
  Date:   2024-08-19 (Mon, 19 Aug 2024)

  Changed paths:
    M LayoutTests/platform/mac-wk1/TestExpectations
    M LayoutTests/platform/mac/TestExpectations
    M Source/WebCore/platform/graphics/cocoa/VP9UtilitiesCocoa.mm

  Log Message:
  -----------
  [Cocoa] WPT Tests referencing "white.webm" render video as non-white
https://bugs.webkit.org/show_bug.cgi?id=278246
rdar://134075823

Reviewed by Eric Carlson.

In the absence of explicit color range information (from the WebM "Colour" element),
default the VP8 decoder to "limited range" (16-235) color values. This matches the
behavior of Firefox and Chrome.

* LayoutTests/platform/mac/TestExpectations:
* Source/WebCore/platform/graphics/cocoa/VP9UtilitiesCocoa.mm:
(WebCore::createVideoInfoFromVP8Header):

Canonical link: https://commits.webkit.org/282441@main



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