I do know for xvmc to work, I needed to install the proprietory nvidia drivers 
(not the open source ones). and I thin kthey need to be newer than 170ish.

I'm playing OTA 1080i vids fine (from my HDHR).


 


----- Original Message ----
From: mrtisoy <daveh...@gmail.com>
To: atv-bootloader <atv-bootloader@googlegroups.com>
Sent: Wed, May 19, 2010 1:04:53 PM
Subject: [atv-bootloader] Re: Ubuntu 10.04 "Lucid Lynx"

Phil,
Thanks for the reply. I'll check on the version of the nvidia graphics
driver, but it was the default that came with Mythbuntu 10.04. I am
playing US OTA recordings, 1080i and 720p mpeg2. Before I made the
fresh install of 10.04 I had no problems with Mythbutnu 7.10 playing
these same recordings.

Thanks,
Dave

On May 19, 8:38 am, Phil Chadwick <phil_so...@yahoo.com> wrote:
> I'm able to play all mpeg2 HD I can throw at the thing, with only ~20-30% cpu 
> usage.
>
> what version of nvidia graphics driver are you using?
>
> what type of video are you playing? h.264?
>
> ----- Original Message ----
> From: mrtisoy <daveh...@gmail.com>
> To: atv-bootloader <atv-bootloader@googlegroups.com>
> Sent: Wed, May 19, 2010 12:37:57 AM
> Subject: [atv-bootloader] Re: Ubuntu 10.04 "Lucid Lynx"
>
> So after a reboot (previously done countless times) XvMC appears to be
> working and there is no mention of VDPAU. But the video playback is
> worse than ever. There is a constant stream of "NVP prebuffering
> error"s and the CPU is still maxed out.
>
> I doubt that it is related but the underclocking won't stick. I can
> even run the script manually, or even manually enter the nvidia-
> settings commands from the command line. There are no errors but also
> no results. Only after going into the nvidia-settings GUI and making
> the change does the clock actually change.
>
> Any thoughts? Paul, did you have any problems playing back HD? Has
> anyone gotten this set up to work?
>
> Thanks.
>
> On May 19, 12:22 am, mrtisoy <daveh...@gmail.com> wrote:
> > Sorry for the slow reply, I haven't had much time to spend on this but
> > I wanted to get as far as I could on my own.
>
> > I've followed every mythTV/appleTV/XvMC guide that I could find but it
> > appears that I am not getting XvMC to work. My log says
>
> > 2010-05-18 23:46:30.042 VDPAU Error: Error at mythrender_vdpau.cpp:
> > 1448 (#1, Unknown)
> > 2010-05-18 23:46:30.042 VDPAU Error: Failed to create VDPAU device.
> > 2010-05-18 23:46:30.042 VDPAU Error: No VDPAU device
> > 2010-05-18 23:46:30.042 Failed to create VDPAU render device.
> > 2010-05-18 23:46:30.043 VidOutVDPAU Error: Failed to initialise VDPAU
> > 2010-05-18 23:46:30.089 VideoOutputXv: Desired video renderer 'xvmc-
> > blit' not available.
> >                         codec 'MPEG2' makes 'xv-blit,xshm,xlib,' available, 
> > using 'xv-blit'
> > instead.
>
> > I had another error complaining about not finding the XvMCConfig file
> > since it was in /etc/X11 instead of /etc but I fixed that. Everything
> > else seems to be configured correctly, but it just won't work. Why is
> > it trying to use VDPAU? Is there anyway to disable this? Could this be
> > what is thwarting XvMC?
>
> > Thanks in advance!
>
> > On May 4, 10:33 pm, Phil Chadwick <phil_so...@yahoo.com> wrote:
>
> > > Do you know if you are usingxvmcto decode the HD?
>
> > > ----- Original Message ----
> > > From: mrtisoy <daveh...@gmail.com>
> > > To: atv-bootloader <atv-bootloader@googlegroups.com>
> > > Sent: Tue, May 4, 2010 9:23:21 PM
> > > Subject: [atv-bootloader] Re: Ubuntu 10.04 "Lucid Lynx"
>
> > > I need to correct my earlier post. I was testing an SD program that
> > > was recorded on an HD channel. When testing true SD, mythfrontend is
> > > only taking ~30% of the CPU. When decoding HD the CPU is pinned.
>
> > > I'd love any advice that I can get.
>
> > > On May 4, 10:03 pm, mrtisoy <daveh...@gmail.com> wrote:
> > > > I was running Mythbuntu 8.04 on my appleTV for a couple years and had
> > > > to upgrade when I upgraded my server to 10.04. I just assumed that
> > > > installing a fresh copy of Mythbuntu 10.04 would be the smart thing to
> > > > do. Maybe I should have researched a little more.
>
> > > > The install went fairly smoothly, it is up and running and
> > > > communicating with the server. Both HD and SD content plays well
> > > > except a blip every 5 seconds or so. I figured it had to do with the
> > > > gpu clocking. I can't seem to set the speed through the command line
> > > > or in a script, but it does work using the nvidia-settings GUI, but
> > > > even then the blips continue.
>
> > > > I have seen a lot of swapping, but I was hoping that was because I was
> > > > running other programs as well (terminal, nvidia-settings) and
> > > > normally I would only be running the front end.
>
> > > > Does anyone have suggestions on how to "slim" it down? Or should I
> > > > just jump to 9.04 or 9.10?
>
> > > > Thanks!
>
> > > > --
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