[Webkit-unassigned] [Bug 229286] New: [Cocoa] Should video stop being live, time scrubber will not show

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=229286

            Bug ID: 229286
           Summary: [Cocoa] Should video stop being live, time scrubber
                    will not show
           Product: WebKit
           Version: Other
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: Media
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: jean-yves.avenard at apple.com

Sometime the time scrubber will not show:

STR:

1- Open https://jyavenard.github.io/htmltests/tests/mse_mp4/81349236.html
2- Click somewhere on the video to get around autoplay policy or allow media to play for https://jyavenard.github.io domain.
3- Look at the Touch Bar.
4- Playback will start showing up as a live stream, will stall and the seek back to the beginning.

What happens: the scrubber doesn't show.

You may have to refresh the page if the scrubber appears, 90% of the time it won't.

What this page does is start loading a MSE video, setting the duration to Infinity and then load content and start playback.

Once playback has stalled, the duration is set to the buffered range end and loop.

The scrubber should appear when the duration is know as we can now seek in the video.

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