[mythtv-users] Mythfrontend idle cpu consumption help

Paul Gardiner lists at glidos.net
Wed Nov 11 15:33:43 UTC 2009

Johnny wrote:
>> Just food for thought, but if you are only doing SD to an SD screen
>> (~640-720x480), why bother with scaling up to 800x600 only to have the
>> resulting output shown at (~640-720x480)?  Why not just use 640x480
>> natively all the way through from source to destination and avoid the
>> unnecessary scaling up and down.
> Because too many of the GUI elements outside of myth are completely
> unusable at 640x480. I know I don't go out there much, but it is worth
> it for when I do. Also the quality difference is not perceptible, it
> is SD after all. Third there is significant overscan so if I set it to
> 640x480 I actually get much less then that after I have adjusted the
> screen.

I'm surprised the quality difference is not perceptible... unless
you are using bob or linear for deinterlacing that is, or if your
TV is an old CRT and not well focussed.


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