[Webkit-unassigned] [Bug 198281] [WinCairo][MediaFoundation] video/audio elements don't work in WebKit2

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=198281

--- Comment #2 from Fujii Hironori <Hironori.Fujii at sony.com> ---
Created attachment 370919

  --> https://bugs.webkit.org/attachment.cgi?id=370919&action=review

WIP patch

(In reply to Fujii Hironori from comment #1)
> After applying this patch, MFGetService returns 0x80004002 (E_NOINTERFACE)
> in MediaPlayerPrivateMediaFoundation::updateReadyState in Web process.

Before that, MediaPlayerPrivateMediaFoundation::createVideoWindow in CreateWindowEx is failing.
Applying this patch, LayoutTests/media/video-resize.html can play back the video.
I need to click invisible play button because the default media control doesn't show. (I guess this will be solve by enable AC.)
But, WK2 can't still play YouTube while WK1 can.

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