[Webkit-unassigned] [Bug 251679] [GStreamer] Playing video causes very high CPU usage
bugzilla-daemon at webkit.org
bugzilla-daemon at webkit.org
Sat Feb 4 01:23:26 PST 2023
https://bugs.webkit.org/show_bug.cgi?id=251679
Philippe Normand <philn at igalia.com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |RESOLVED
CC| |philn at igalia.com
Resolution|--- |INVALID
--- Comment #2 from Philippe Normand <philn at igalia.com> ---
That's a packaging issue. The GStreamer backend is capable of handling HW decoders but in the flatpak runtime the only GStreamer HW decoder shipped there is disabled.
If your GPU is AMD or Intel you can try to set this env var in the flatpak runtime: GST_PLUGIN_FEATURE_RANK=vah264dec:MAX,vah265dec:MAX,vavp8dec:MAX,vavp9dec:MAX
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