[Webkit-unassigned] [Bug 230057] [GStreamer] Green screen instead of playing video

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=230057

--- Comment #3 from Christian Stadelmann <wk at genodeftest.de> ---
(In reply to Michael Catanzaro from comment #2)
> By coincidence, somebody else ran into the exact same problem today, and
> fixed it by uninstalling gstreamer1-vaapi.

I've heard that before and probably have even done that as a workaround before. Thanks for the reminder. And yes, playing the video after uninstalling gstreamer1-vaapi works (same command line as before):

```
$ LC_ALL=C epiphany https://winfuture.de/videos/Hardware/Fairphone-3-im-Hands-On-Transparentes-fair-gebautes-Smartphone-20630.html

** (epiphany:263650): WARNING **: 06:47:12.362: GDK is not able to create a GL context, falling back to glReadPixels (slow!): Unable to create a GL context
```

> If that fixes your problem -- it probably will -- then I'm afraid we'll need
> to yet again ping-pong you to their bug tracker:
> https://gitlab.freedesktop.org/gstreamer/gstreamer-vaapi/issues/.

Done: https://gitlab.freedesktop.org/gstreamer/gstreamer-vaapi/-/issues/312

Shall I mark this bug report here as "resolved | moved"?

> > DConf org.gnome.Epiphany.web hardware-acceleration-policy is 'on-demand'
> 
> Note this setting controls web rendering only. It's unrelated to
> hardware-accelerated video decoding.

Thanks for explaination!

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