[Webkit-unassigned] [Bug 239067] New: Multiple activeCues observed on cueChange event for id3 type

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=239067

            Bug ID: 239067
           Summary: Multiple activeCues observed on cueChange event for
                    id3 type
           Product: WebKit
           Version: Safari 15
          Hardware: Mac (Intel)
                OS: macOS 11
            Status: NEW
          Severity: Blocker
          Priority: P2
         Component: Media
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: ashukm4 at gmail.com

This issue is Observed only after the latest update of the safari to Version 15.4 (16613.1.17.1.13, 16613)

I am observing multiple active cues on cueChange event on the latest safari version only for the id3 subtitle type.
Previously i.e, safari version less than 15.4 i used to see only one active cue for a particular time range.

EG Safari < 15.4:

Let's assume we have id3 subtitle displaying text "Hello" from 
startTime -  1 sec 
endTime-  5 sec

We used to get one active cue for this time range.


Now Safari 15.4:

We are always getting multiple active cue for this time range.

Can you please let us know this issue is due to any latest update in the safari?

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