[Webkit-unassigned] [Bug 183491] New: Video stalls a few seconds during HLS

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=183491

            Bug ID: 183491
           Summary: Video stalls a few seconds during HLS
           Product: WebKit
           Version: Safari 11
          Hardware: All
                OS: All
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: Media Elements
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: jianhui.dai at gmail.com

Created attachment 335376

  --> https://bugs.webkit.org/attachment.cgi?id=335376&action=review

Video does not resume after 48s. webkitgtk-2.18.6

On server side, I used nginx and ffmpeg-3.2.4 to generate .m3u8/.ts;

On client side, a few seconds playing at first, the stream is pausing for buffering; After successfully buffering 100%, Webkit restarts the playback. But the video dose not actually resume playing in browser.
This issue is reproduced in both Safari 11.0.3 and MiniBrowser(webkitgtk-2.18.6).

Attachment is the log from MiniBrowser.
0:00:00.425373227: Start playing
0:00:45.666121021: Pause for buffering
0:00:48.307545745: Buffering Complete.Restarting playback. But video does not playing in browser.

This HLS playing is good with vlc, ffplay and gstreamer.

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