287560 2025-02-12 05:56:30 -0800 [GTK][WPE][GStreamer] support the 'eotf' additional MIME type parameter by isSupportedType 2025-02-14 02:08:18 -0800 1 1 1 Unclassified WebKit New Bugs WebKit Nightly Build Other Linux RESOLVED FIXED InRadar P2 Normal --- 1 pgorszkowski pgorszkowski calvaris webkit-bug-importer oldest_to_newest 2094128 0 pgorszkowski 2025-02-12 05:56:30 -0800 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 2094378 1 pgorszkowski 2025-02-12 22:31:20 -0800 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 2094380 2 pgorszkowski 2025-02-12 22:43:19 -0800 Pull request: https://github.com/WebKit/WebKit/pull/40539 2094734 3 ews-feeder 2025-02-14 02:07:10 -0800 Committed 290396@main (b59017527469): <https://commits.webkit.org/290396@main> Reviewed commits have been landed. Closing PR #40539 and removing active labels. 2094735 4 webkit-bug-importer 2025-02-14 02:08:18 -0800 <rdar://problem/144853039>