[mythtv-users] Video 'waves' of speed up, slow down watching recorded TV

Dan Gravell dan.gravell at talk21.com
Wed Dec 5 20:03:35 UTC 2012


Thanks for that, I'll try "the switch".

In the playback data, before switching from nouveau to proprietary, the CPU load is currently hovering between 10-30% for all four CPUs during playback.

I made sure I got the right RAM configuration when I purchased the box + memory so hopefully that's fine.

Dan



>________________________________
> From: HP-mini <blm-ubunet at slingshot.co.nz>
>To: mythtv-users at mythtv.org 
>Sent: Wednesday, 5 December 2012, 17:45
>Subject: Re: [mythtv-users] Video 'waves' of speed up, slow down watching recorded TV
> 
>On Wed, 2012-12-05 at 15:33 +0000, Dan Gravell wrote:
>> This might be a little hard to describe... I am using a Zotac ZBox
>> ID41 as a frontend only, connected to a backend via powerline
>> ethernet. It's a Mythbuntu 11.10 install.
>> 
>> 
>> I'm using nouveau I think. Should I be using the proprietary NVidia
>> drivers? Mythbuntu offered both at installation time, and with no
>> other information as to which one to choose I decided on nouveau.
>
>> I have tried VDPAU and VDPAU Slim, both seem to give the same
>> behaviour.
>> 
>
>That sounds like stuttering/frame dropping from having an under powered
>CPU performing decoding.
>The later nouveau driver has VDPAU overlay support only..No decode so
>the CPU is used.
>
>I would try the nVidia proprietary driver & VDPAU normal.
>The ION shared system RAM setup could require a particular RAM
>configuration (allocated size & number sticks), see Mythtv.org wiki..
>
>Brett.
>
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