[Webkit-unassigned] [Bug 162133] New: [gstreamer] Problems with videos on Twitter

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=162133

            Bug ID: 162133
           Summary: [gstreamer] Problems with videos on Twitter
    Classification: Unclassified
           Product: WebKit
           Version: Other
          Hardware: PC
                OS: Linux
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: Media Elements
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: tsdh at gnu.org
                CC: bugs-noreply at webkitgtk.org

This bug has originally been reported for the Epiphany web browser, see https://bugzilla.gnome.org/show_bug.cgi?id=771590.  Its maintainers requested this to be reported as WebKit bug.

I'm running WebKitGTK 2.4.11, and the WebKit version is reported as 2.12.5.  GStreamer version is 1.8.3 with the base, the good, and the bad plugins all installed (not the ugly plugins, though).  The system is Arch Linux.

The problem is that videos aren't displayed in the Twitter timeline (though video playback, e.g., at youtube, works fine in general).

Here's an example tweet which I cannot view:

- https://twitter.com/_youhadonejob1/status/777048759305986048

With this video, first I see the first frame of the video with the blue play button in the middle for a fraction of a second, and then it turns black saying "Dieser Browser unterstützt keine Wiedergabe von Videos" ("This browser doesn't support video playback").

And the video from this tweet

- https://twitter.com/FunnySportsGIFs/status/710617946502991873

does play in the sense that I do see the controls in the lower corner of the frame and the progress bar progresses but still all I see is blackness.

And the video from this tweet

- https://twitter.com/austinmackie1/status/720648225045266432

shows a button "Missing plugin".  It would be kind if it at least told which kind of plugin.

Well, it seems just scrolling the timeline of this Twitter account

- https://twitter.com/FunnySportsGIFs

shows all different kinds of "cannot play videos" listed above.

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