[mythtv-users] High CPU utilization for first 5 minutes of Live TV

list at onnow.net list at onnow.net
Tue Aug 15 13:33:56 UTC 2006


Maybe a silly question.
What is a Bob 2x deinterlacer?

Some info on this would be interesting.

Mark
Quoting "Rett D. Walters" <rettw at rtwnetwork.com>:

> Hi -
>
> I am relatively new to Mythtv, but so far I have gotten a multiple
> frontend and backend (3 tuners in 3 machines)
> system going so far, and it works very well.  The only strange thing I
> am seeing is on one frontend, I see very
> high X process CPU utilization during live tv playback - but only for
> the first 5 minutes. After 5 minutes, the
> cpu drops to about 10% total, with Mythfrontend using about 7 % and X
> using about 3%.
>
> I am using the Bob 2x deinterlacer, and an Nvidia 6600GT PCI-E graphics
> card in an AMD 64 3800+ system.
>
> The system is compiled for 64 bits.  If I use the Kernel Deinterlacer,
> it doesn't exhibit the behavior, but the
> picture quality isn't as good.
>
> This issue also occurs during recorded TV playback, not just live TV.
> Its not really a big issue, since the
> High CPU goes away, I am just curious if anyone has noticed this...
>
> Anyone have any Ideas on this one?
>
> Here is my system details:
>
> AMD 64 3800+
> MSI Neo4 Platinum (Nforce 4)
> E-VGA 6600GT PCI-E
> SB Live 5.1
> Gentoo Linux
> Kernel 2.6.15
> Nvidia 8178 drivers
>
> Myth is set not to use OpenGL Vsync.
>
>
> Rett Walters
>
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