[webkit-changes] [WebKit/WebKit] 21cf92: [Cocoa] Support ST-2094-40 HDR metadata in WebM

[Jer Noble]

  Branch: refs/heads/main
  Home:   https://github.com/WebKit/WebKit
  Commit: 21cf922c1e0eb63750d31d1ee867adde01b7a687
      https://github.com/WebKit/WebKit/commit/21cf922c1e0eb63750d31d1ee867adde01b7a687
  Author: Jer Noble <jer.noble at apple.com>
  Date:   2025-02-10 (Mon, 10 Feb 2025)

  Changed paths:
    M Source/WebCore/PAL/pal/cf/CoreMediaSoftLink.cpp
    M Source/WebCore/PAL/pal/cf/CoreMediaSoftLink.h
    M Source/WebCore/platform/MediaSample.h
    M Source/WebCore/platform/graphics/cocoa/CMUtilities.mm
    M Source/WebCore/platform/graphics/cocoa/SourceBufferParserWebM.cpp
    M Source/WebCore/platform/graphics/cocoa/SourceBufferParserWebM.h
    M Source/WebKit/Shared/WebCoreArgumentCoders.serialization.in

  Log Message:
  -----------
  [Cocoa] Support ST-2094-40 HDR metadata in WebM
https://bugs.webkit.org/show_bug.cgi?id=286632
rdar://143771446

Reviewed by Jean-Yves Avenard.

Add support for parsing HDR10+ (aka SMPTE ST 2094-40) per-frame metadata
from WebM's BlockAdditional element, and passing that metadata through
the resulting CMSampleBuffer.

* Source/WebCore/PAL/pal/cf/CoreMediaSoftLink.cpp:
* Source/WebCore/PAL/pal/cf/CoreMediaSoftLink.h:
* Source/WebCore/platform/MediaSample.h:
* Source/WebCore/platform/graphics/cocoa/CMUtilities.mm:
(WebCore::toCMSampleBuffer):
* Source/WebCore/platform/graphics/cocoa/SourceBufferParserWebM.cpp:
(WebCore::WebMParser::OnBlockGroupBegin):
(WebCore::WebMParser::OnBlockGroupEnd):
(WebCore::WebMParser::VideoTrackData::consumeAdditionalBlockData):
* Source/WebCore/platform/graphics/cocoa/SourceBufferParserWebM.h:
(WebCore::WebMParser::TrackData::consumeAdditionalBlockData):
* Source/WebKit/Shared/WebCoreArgumentCoders.serialization.in:

Canonical link: https://commits.webkit.org/290180@main



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