[mythtv-users] laggy LiveTV and lag with internal player

Craig Huff huffcslists at gmail.com
Thu Sep 20 12:52:41 UTC 2007

On 9/20/07, Andres <MacManaman at hot.ee> wrote:
> Hello,
> I have great problems with watching SD liveTV (via DVB-C) or playing
> back recordings/DVDs with internal player.
> The picture is jerky and lagging. I have been trying to switch mpeg
> encoders, changed deinterlace settings, commercial flagging settings etc
> etc without success. The CPU load seems quite high ( 50-60%). However,
> doing same thing with external player ( xine , mplayer, vlc ) everything
> is smooth and fine. Do you have any ideas what would be wrong on my
> configuration ?
> my mythbox is following:
> cpu amd x2 be-2350 2.1GHz
> memory 1G
> 500G sata hdd
> Technotrend C-1500 for DVB-C
> nvidia 7050PV
> mythtv 0.20.2
> mythdora 4
> front and back on same machine

My first suspicion would be that your system might be I/O bound.

Check to see what top reports while using the two alternatives.  More advice
on I/O bound issues can be had from the archives.

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