[mythtv-users] HD performance problems
Tom Lichti
tom at redpepperracing.com
Mon Nov 27 15:44:03 UTC 2006
Shawn Rutledge wrote:
> On 11/26/06, Tom Lichti <tom at redpepperracing.com> wrote:
>> Now that you have the correct driver selected (should have thought of
>> that myself!) try playing it in Myth without XvMC (i.e. 'Standard'
>> playback mode) and see what the CPU usage is like.
>
> Live TV:
>
> PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND
> 20152 root 15 0 323m 195m 123m S 73.7 38.8 0:47.03 mythfrontend
> 20145 root 14 -1 122m 110m 99m S 19.9 22.0 0:11.97 X
> 20105 mythtv 22 0 287m 38m 14m S 4.0 7.6 0:07.57 mythbackend
>
> Watching a recording:
>
> PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND
> 20152 root 15 0 326m 200m 124m S 74.6 39.9 1:53.39 mythfrontend
> 20145 root 14 -1 127m 104m 96m S 24.3 20.6 0:29.84 X
>
> Anyway this system is not fast enough to scale down 1080 video and
> display it at 640x480, without XvMC. So I need to get XvMC working
> with Myth. I was impressed with how nicely it displays with xine, so
> I would like to get similar performance with Myth.
Hrm. I was playing with this on my desktop, and I can't play HD with
XvMC, but I can without XvMC. Strange. I don't think it's actually
working on my main TV frontend either, now that I think about it...
Tom
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