[mythtv-users] picking a new CPU

[Henrik Beckman]

HDTV is H264 and 720p/50 here and with NeroShow it uses 80+ of my x2 3800+.
It´s a slideshow on my mythbox.

/Henrik


On Wed, Mar 19, 2008 at 7:24 PM, Andreas <linuxdreas at launchnet.com> wrote:

> Am Mittwoch, 19. März 2008 02:32:13 schrieb Henrik Beckman:
> > Hi,
> > I´m become CPU limited on my combined back/frontend, with 0.21 I´ve
> > switched from linear to yadif deinterlacing.
> > Yadif 2x is to much
> >
> > This is what I have,
> > 2,6Ghz P4 with HT.
> > 2GB RAM
> > HDD0 250GB for system and mythvideo
> > HDD1 500GB for mythtv
> > Nova-t 500
> > PVR-150
> > 6200 graphics
> >
> > I have a 3,2+ AMD and a Nforce motherboard, 6600GT, but I´m unsure if it
> > has enough CPU to handle what I want.
> > I want to be able to run Yadif 2x for SD TV and _preferably_ also for
> HD,
> > HD is 720p but bandwith is similiar to 1080p.
> > Also I want CPU left to handle comskipping and recording two shows while
> > watching, with a bit of overhead so I can
> > take advantage of faster disks in the future.
> >
> > So should I,
> > 1)Keep running my P4 and wait for things to settle down and prices to
> > drop. 2)Switch (back) to my AMD 64 system.
> > 3)Buy a 8400, memory and motherboard.
> > 4)Buy a Q9300, memory and motherboard.
> >
> > My case is an antec fusion but I don´t think that I will be satisfied
> > with 2 disks forever.
> >
> >
> > /Henrik
>
> Henrik,
> I have a P4 3.0 GHz as a frontend only, and while it can display
> 720p/1080i
> just fine (did not test 1080p), any deinterlacing of the 1080i content
> pushes it over the edge and playback gets jumpy.
>
> Another frontend with a 3.2 GHz Pentium 4 does deinterlacing with kernel
> and
> linear blend, but not with yadif or greedyh.
>
> Then I have a backend AMD BE-2300 CPU. Just for testing I installed the
> frontend and connected a monitor. It plays smoothly even with yadif and
> also with greedyh, but can't handle yadif2x or greedyh2x.
>
> The testing was all done with source material broadcast in the US, meaning
> all HD is actually in MPEG2, not H264.
>
> --
> Gruß
> Andreas
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