[Webkit-unassigned] [Bug 184094] New: Video does not leave seeking state after seeking to duration

bugzilla-daemon at webkit.org bugzilla-daemon at webkit.org
Wed Mar 28 10:12:18 PDT 2018


            Bug ID: 184094
           Summary: Video does not leave seeking state after seeking to
           Product: WebKit
           Version: Safari Technology Preview
          Hardware: Macintosh
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: Media Elements
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: theodab at google.com

When playing some assets, loaded via the MediaSource API (but not via src=), if you seek to the video's duration the video never leaves the seeking state.
If you tab away from Safari and come back, sometimes it will begin playing over again.

I have created a minimal reproduction page for this bug:
Just open the web console and press the "begin test" button.

After seeking (and waiting for a few seconds to give it reasonable time to complete the process of seeking), the video's "seeking" property is true, "ended" is true, and "paused" is false.
I've tried this a few times and it seems quite consistent. I've tried it with Safari 11.0.3 and with Safari Technology Preview (11.2), and it happens with both. Sometimes if I tab away for a while and come back to Safari, the video has restarted.

There do not seem to be similar issues on Chrome or Firefox. This also doesn't apply to every asset; I've only seen it thus far with the asset in the test page (and another asset that I've left commented out in the source, if you care to make comparisons).

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