[mythtv-users] comments on hardware for a combined frontend/backend

[Jonathan Rogers]

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matt lutz wrote:
 > heh.  Sorry, I suppose I should have said this right off the bat.  I
have an
> Avermedia doing analog capture, and an HD Homerun recording HD.  The
> reasoning behind the CPU was that I transcode a decent amount of HD down to
> 720x480 to play back on some SD frontends.  But it seems that just about
> everyone thinks it is still too much, so I'm currently rethinking that.
> 
> Anyone have comments on the differences between the Opteron line and the X2
> line?

Well, I don't necessarily think it's overkill if you're transcoding a
lot of HD video. You didn't mention that initially and you probably
can't have too fast a CPU for that. On my combined frontend/backend with
two ATSC receivers, generally the only non-realtime CPU-intensive jobs
are commflagging, which run faster than real time. However, transcoding
HD video to anything is going to go slower than real time on pretty much
any CPU, though you can probably do two at a time on a dual core machine.

Jonathan Rogers
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