[mythtv-users] Basic requirements (hardware)

Ray Olszewski ray at comarre.com
Sat May 31 08:19:12 EDT 2003


At 04:16 PM 5/30/2003 -0400, Isaac Richards wrote:
>On Friday 30 May 2003 04:01 pm, Ray Olszewski wrote:
> > As I said, this appears to be true for Myth playback, which has much higher
> > demands on systems than (say) xine. On my 1.7 GHz Cel, for example, Myth
> > uses about 30% of CPU during playback, right in the 450-500 range. But xine
> > uses <5% ... though I've only tried 320x240 TV caps, roughly 500 MB/hr,
> > with xine on this system not Divx re-encodes of DVDs.
>
>Just as another data point, on my main machine (xp 1800+), playback of
>full-sized video in mythtv takes around 3-5% cpu for mpeg4 encodes, and just
>slightly higher for the mpeg2 encodes from my pvr-250.  Both of those are
>with deinterlacing turned on.  Playback of the mpeg2 encodes with other
>programs (xine/mplayer), is similar.

Interesting. So do you think my considerably higher numbers (even allowing 
for the CPU difference, I think) indicate some sort of configuration error? 
If so ... any thoughts on the candidate? Or are Celerons really that mush 
worse than Athlons? Or is Myth optimized for Athlons in some subtle way?





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