RESOLVED FIXED287560
[GTK][WPE][GStreamer] support the 'eotf' additional MIME type parameter by isSupportedType 
https://bugs.webkit.org/show_bug.cgi?id=287560
Summary [GTK][WPE][GStreamer] support the 'eotf' additional MIME type parameter by is...
Przemyslaw Gorszkowski
Reported 2025-02-12 05:56:30 PST
MediaSource.isSupportedType method must support the 'eotf' additional MIME type parameter and support the following values: * 'bt709', indicating ITU-R BT.1886 support * 'smpte2084', to indicate SMPTE 2084 EOTF support * 'arib-std-b67', to indicate ARIB STD-B67 support to be compliant with "YouTube TV HTML5 Technical Requirements" (defined in https://developers.google.com/youtube/devices/living-room/files/pdf-guides/YouTube_TV_HTML5_Technical_Requirements_2018.pdf). Cobalt implementation is here: https://github.com/youtube/cobalt/blob/main/starboard/shared/starboard/media/parsed_mime_info.cc#L37
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Przemyslaw Gorszkowski
Comment 1 2025-02-12 22:31:20 PST
The tests from YTTV which validate these values: https://ytlr-cert.appspot.com/latest/main.html?&test_type=formatsupport-test#1739356400792 : 10. isTypeSupported EOTF Support 11. VP9.2 SMPTE2084 Support 12. VP9.2 ARIB STD-B67 Support
Przemyslaw Gorszkowski
Comment 2 2025-02-12 22:43:19 PST
Pull request: https://github.com/WebKit/WebKit/pull/40539
EWS
Comment 3 2025-02-14 02:07:10 PST
Committed 290396@main (b59017527469): <https://commits.webkit.org/290396@main> Reviewed commits have been landed. Closing PR #40539 and removing active labels.
Radar WebKit Bug Importer
Comment 4 2025-02-14 02:08:18 PST
<rdar://problem/144853039>
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