GStreamer fails with coglsink

OpenSubmitted by Leo Prikler.
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  • Leo Prikler
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Leo Prikler wrote on 14 Jan 2020 01:23
(address . bug-guix@gnu.org)
4e20d77ee3e0c2e4f74acbe6633b850962c3835e.camel@student.tugraz.at
Hi Guix,

I've noticed recently, that GStreamer (specifically, but not limited
gst-play-1.0) would fail from the command line, whereas GStreamer-based
applications (such as Totem) work fine. After some debugging, I found
out that the offending element was coglsink, which is pulled in through
some propagation chain by GNOME, and automatically included in
GST_PLUGIN_SYSTEM_PATH as a result. Clearing this variable or
specifying any other video sink (except autovideosink, which just loads
coglsink), acts as an effective workaround.
I believe, this might be related to the recent upgrade to 1.16.2, but I
am unsure whether this is really GStreamer's fault or mine for having
weird hardware. Is anyone else experiencing similar issues?

Regards,
Leo
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