[gstreamer-bugs] [Bug 607798] x264enc needs updating to support new features

GStreamer (bugzilla.gnome.org) bugzilla at gnome.org
Thu Jul 8 16:11:57 PDT 2010


https://bugzilla.gnome.org/show_bug.cgi?id=607798
  GStreamer | gst-plugins-ugly | git

Andrzej K. Haczewski <ahaczewski> changed:

           What    |Removed                     |Added
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                 CC|                            |ahaczewski at gmail.com

--- Comment #52 from Andrzej K. Haczewski <ahaczewski at gmail.com> 2010-07-08 23:11:52 UTC ---
But the speed- prefix gives false impression that it affects speed only. I've
seen a TV that wasn't able to decode properly encodes that were done with
slower preset with forced profile and level, and it was able to do all right
with faster preset. The issue was not the level/profile, but the number of
bframes and/or b-pyramid (I don't know switching which helped). And the TV was
able to decode each of these encodes, but the slower preset caused something we
called "strobo", as it seamed like decoder wasn't performant enough to deal
with decoding more complex bitstream (looked like it was dropping frames).

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