Pierre Neidhardt <m...@ambrevar.xyz> writes:

> Leo Famulari <l...@famulari.name> writes:
>> It works for me on Debian if I install (at least) gst-plugins-base and...
>
> Hmm, weird.  Possible explanations I can see:
>
> - It's hardware related.  I have an Intel HD 620, driver i915.
> - Something is not purely functional in the dependency graph.
> - It's kernel related, I am on GuixSD.
>
> It used to work perfectly a few weeks ago.  I'll have to try out the different
> kernel/mesa/gstreamer combinations.  Pfeww, lots of work :(

I don’t think the kernel is at fault.  This is usually a problem with
gstreamer only.  Do not forget about environment variables.

I’d suggest looking for gstreamer debugging options and tracing the
discovery of plugins specifically.

I’m seeing the same behaviour in epiphany (and eolie), both webkit
browsers.  I have these gstreamer packages installed:

gst-plugins-good        1.14.3  out     
/gnu/store/ar5i930rzx6gx0fllxlj7v0di8av98dn-gst-plugins-good-1.14.3
gst-plugins-ugly        1.14.3  out     
/gnu/store/7w2bqvdnylh4y87m6r40k644pxd17g3x-gst-plugins-ugly-1.14.3
gst-plugins-bad 1.14.3  out     
/gnu/store/x8m0kdj9x6smm6ybwd3rzkcpqw809pim-gst-plugins-bad-1.14.3
gst-plugins-base        1.14.3  out     
/gnu/store/hyjjxxc2q5sfhkmm9iq3g34afm21b62v-gst-plugins-base-1.14.3

I used to also have gst-libav, which made a lot of things work better at
a time.

Relevant environment variables:

    
GST_PLUGIN_SYSTEM_PATH=/home/rekado/.guix-profile/lib/gstreamer-1.0:/run/current-system/profile/lib/gstreamer-1.0
    GST_PLUGIN_PATH=/home/rekado/.guix-profile/lib/gstreamer-1.0

--
Ricardo


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