[mythtv-users] Live HD TV jumpy

[Håkon Alstadheim]

William Munson wrote:
> Option "UseEvents" "True"
> This should lower your Xorg usage by 40-50%
>
>   
Just for the record: That is specific for Nvidia cards (like the OP 
has). For other cards, there are other options. See the man-pages for 
the driver that you are using. To find out which driver gets loaded, 
check the log-file, most likely /var/log/Xorg.0.log. Also experiment 
with different combinations of rendering settings in Myth and modules 
loaded in X. On general principle one should at least test with the 
proprietary drivers, the open drivers and framebuffer drivers. Maximum 
bells and whistles enabled does not always get the best raw 2D rendering 
performance.

> Also the deinterlace setting you choose and the decoding method chosen 
> will have a large effect on  frontend cpu usage. I find that the linear 
> blend deinterlace setting is the most efficient and for me libmpeg is 
> the best decoder choice. Although xvmc gives a lower cpu usage, the lack 
> of color in the pop-up windows makes it a undesirable choice for me.
>
> Bad HD video playback is a common complaint so do a bit of searching for 
> other ideas to check. With your processor you should be able to watch HD 
> with less than 70% processor usage once everything gets fine tuned a bit.
>
>
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