[mythtv-users] HD Woes -- SOLVED

Nate Crosno nate at crosno.net
Tue Feb 6 05:44:26 UTC 2007

Brian Wood wrote:
> Make sure "threads" is in your USE= line in your /etc/make.conf then  
> do an "emerge uDN world" which will re-compile anything that can take  
> advantage of threading, like libraries, ffmpeg, qt etc.

So that part didn't seem to make a difference, but I was looking at the 'use' 
options and saw 'mmx' in there. On a whim, I added the following for mythtv 
under (to what was already there) /etc/portage/package.use:  mmx 
-video_cards_i810 -video_cards_via

It seems to have done the trick! I'm now running at about 75% on one CPU for 
1080i content.  The picture is not perfect. For one, it seems like 
deinterlacing is not working.

I'm going to play around with it a little more and see if I can fine tune it, 
then I'll report back again with all my settings.

Here are my settings for the moment -- not for any particular reason, but where 
I stopped testing before. Right now, I'm using libmpeg2, bob, and opengl vsync 
is off.  In nvdia-settings, I have these:


However, mythfrontend log is saying it's using USLEEP for the timing.

Thanks, everyone for your help.  BTW, still running signle-channel for the RAM 
(have some on order) and never did get it over-clocked.

Myth Box Specs:
   2.6.16-gentoo-r6 #1 SMP
   i686 Athlon 64 X2 3800+ 2.0Ghz (socket 939)
   1.5GB ddr400 RAM - not matched, so running single channel
   160GB IDE Hard Drive
   Jetway MB w/ Onboard Nvidia 6100 w/ DVI out, onboard sound
   Ati HD Wonder PCI card connected to external HD antenna
   PVR-150 connected to Amino IPTV box from local company via S-video
   Serial IR receiver/transmitter
   mythtv-0.20_p12376 (latest ebuild) Combined FE/BE
   nvidia-drivers-1.0.9746 ebuild
   Connected to TV via DVI, using 1280x720_60 modepool
   TV: Sony LCD Rear Projection, 720p native. (kf-50xbr800 circa 2002)

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