[Webkit-unassigned] [Bug 224689] [GStreamer] Kaltura video playback is choppy (also affects cnn.com, reddit.com, various other websites)

bugzilla-daemon at webkit.org bugzilla-daemon at webkit.org
Thu Jan 5 10:47:12 PST 2023


https://bugs.webkit.org/show_bug.cgi?id=224689

--- Comment #20 from Philippe Normand <philn at igalia.com> ---
(In reply to Michael Catanzaro from comment #18)
> I'm not sure Tech Preview would be a good place to experiment because it's
> not supposed to have any encumbered codecs available. Certainly there should
> not be any va decoders capable of handling H.264 there; if so, that would be
> a bug.

flatpak run --command=bash  --user org.gnome.Epiphany.Devel
[�� org.gnome.Epiphany.Devel ~]$ gst-inspect-1.0 va
Plugin Details:
  Name                     va
  Description              VA-API codecs plugin
  Filename                 /usr/lib/x86_64-linux-gnu/gstreamer-1.0/libgstva.so
  Version                  1.20.4
  License                  LGPL
  Source module            gst-plugins-bad
  Source release date      2022-10-12
  Binary package           GStreamer Bad Plug-ins source release
  Origin URL               freedesktop-sdk

  vadeinterlace: VA-API Deinterlacer
  vah264dec: VA-API H.264 Decoder
  vah265dec: VA-API H.265 Decoder
  vampeg2dec: VA-API Mpeg2 Decoder
  vapostproc: VA-API Video Postprocessor

  5 features:
  +-- 5 elements

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