Bug 178410

Summary: TextTrack.removeCue() fails to remove caption displayed in Picture-in-Picture mode
Product: WebKit Reporter: adam_marcus
Component: MediaAssignee: Nobody <webkit-unassigned>
Status: NEW ---    
Severity: Normal CC: ahmad.saleem792, eric.carlson, jeremyj-wk, jer.noble, webkit-bug-importer
Priority: P2 Keywords: InRadar
Version: Safari Technology Preview   
Hardware: Mac   
OS: macOS 10.12.4   
Attachments:
Description Flags
Code demonstrating bug none

Description adam_marcus 2017-10-17 14:56:06 PDT
Created attachment 324063 [details]
Code demonstrating bug

TextTrack.removeCue() fails to remove caption displayed in Picture in Picture mode

Steps to Reproduce:
1. Open Safari
2. Open bug.html (attached)
3. Enter Picture in Picture mode

Expected Results:
Video should show blinking caption as periodically added and removed

Observed Results:
Caption does not blink when displayed in Picture in Picture mode
Comment 1 Radar WebKit Bug Importer 2017-10-18 17:12:02 PDT
<rdar://problem/35064535>
Comment 2 Ahmad Saleem 2023-09-20 09:42:26 PDT
I am able to reproduce this bug in Safari Technology Preview 178 using attached test case:

Test Case: https://jsfiddle.net/h1jpyerx/show

Caption does not blink in PiP mode, while it does in Chrome Canary 119.