[Webkit-unassigned] [Bug 175576] [GStreamer] The glvideoflip GStreamer element isn't available. Video mirroring and rotation functionalities are thus disabled.

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=175576

Carlos Alberto Lopez Perez <clopez at igalia.com> changed:

           What    |Removed                     |Added
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                 CC|                            |calvaris at igalia.com,
                   |                            |clopez at igalia.com

--- Comment #1 from Carlos Alberto Lopez Perez <clopez at igalia.com> ---
(In reply to Michael Catanzaro from comment #0)
> I see this error in stderr for a bunch of tests on the GTK release bot:
> 
> The glvideoflip GStreamer element isn't available. Video mirroring and
> rotation functionalities are thus disabled.
> 
> That's a WebKit bug since the glvideoflip GStreamer element needs to be
> either built in our JHBuild environment or installed by
> install-dependencies. What's supposed to be pulling it in?

You need to have graphene installed when building gstreamer*, so the glvideoflip automatically gets built.

graphene is still not available on debian stretch, its on testing.

I have been told this warning is harmless and you are safe to ignore it (unless you care about video mirroring/rotation functionalities of course)

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