[wellylug] Slow video decoding in VLC after Debian upgrade

jumbophut jumbophut at gmail.com
Mon Oct 12 21:36:22 NZDT 2009


Hi all

I finally upgraded my machine to Debian Lenny, after deciding that
iceweasel with no security updates was too dangerous.  Now I am
noticing a dramatic slowdown of video decoding in VLC, and I can't
work out exactly what is causing it.

As well as the switch from Etch to Lenny, I switched from KDE to
Gnome, but nothing else has changed.

Has anyone else struck this?  Is there some obvious setting to tweak?
A known problem with Gnome or the newer version of the ffmpeg
libraries?

Looking at 'top' shows idle activity over 90% until I start the decoding.

I have also tried Totem, which is faster but still nowhere close to as
fast as VLC on Etch -- can barely manage 15fps with 640x480 MJPEGs.

-- 
Tony (echo 'spend!,pocket awide' | sed 'y/acdeikospntw!, /l at omcgtjuba.phi/')



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