[mythtv-users] nuvexport: Ok here Bad over there?

Jarod Wilson jarod at wilsonet.com
Fri Dec 30 19:34:05 EST 2005

On Friday 30 December 2005 14:21, Chris Petersen wrote:
> > Using the same .nuv file the on exported on
> > the celeron is smooth,  The one exported on the
> > p4 has occasional jerkeyness.  (obvious
> > in the CNBC scroller across the bottom of
> > the screen).  For something I want to time shift this is
> > not a major annoyance, but for something I want
> > to archive it is.
> There appears to be some sort of problem when encoding files over
> network shares.  I have *no* idea what it is, and it happens with both
> ffmpeg and transcode for me (with or without --force_mythtranscode)
> > In all other respects the SMP has caused me no
> > problems.
> >
> > Is this a known issue?  Would turning off hyperthreading
> > fix this?
> hmm, now that's curious..  My networked box (my workstation) is also
> SMP.  Never occurred to me that would be an issue.  Why not try it and
> see if it makes a difference?  If that's the case, I can tweak the code
> to disable the number-of-cpu's detection to see if using only one CPU
> makes a difference, too.

Another possibly-relevant data point... I recently transcoded a bunch of shows 
off a network mount using ffmpeg (via myth2ipod) on an smp machine, each 
using only one cpu, and the resulting transcodes are flawless.

Jarod Wilson
jarod at wilsonet.com
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