Bug 242239

Summary:	REGRESSION(251359@main) Subtitles in PiP and Fullscreen are blank
Product:	WebKit	Reporter:	Kimmo Kinnunen <kkinnunen>
Component:	Media	Assignee:	Kimmo Kinnunen <kkinnunen>
Status:	RESOLVED FIXED
Severity:	Normal	CC:	webkit-bug-importer
Priority:	P2	Keywords:	InRadar
Version:	WebKit Nightly Build
Hardware:	Unspecified
OS:	Unspecified
Bug Depends on:	241127
Bug Blocks:

Description Kimmo Kinnunen 2022-07-01 03:52:22 PDT

REGRESSION(251359@main) Subtitles in PiP and Fullscreen are blank

Taking a <video> with subtitles into fullscreen or picture-in-picture mode on iOS (or PiP on macOS) results in a blank subtitle representation.

Steps To Reproduce:
1. https://jernoble.github.io/samples/bin/WebVTT/file-styling.html
2. Enter fullscreen
3. Note a lack of subtitles

Regression:
Regressed by https://trac.webkit.org/changeset/295343/webkit

bug 241127

Comment 1 Kimmo Kinnunen 2022-07-01 03:52:47 PDT

<rdar://96254698>

Comment 2 Kimmo Kinnunen 2022-07-01 04:49:04 PDT

https://github.com/WebKit/WebKit/pull/1988

Comment 3 EWS 2022-07-06 15:37:42 PDT

Committed 252193@main (bf1f57bf41dd): <https://commits.webkit.org/252193@main>

Reviewed commits have been landed. Closing PR #1988 and removing active labels.