[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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