[mythtv-users] Jitters during playback
Brent Bolin
brent.bolin at gmail.com
Sun Jan 29 11:29:41 UTC 2012
On Sat, Jan 28, 2012 at 9:47 PM, Mark Lord <mythtv at rtr.ca> wrote:
> On 12-01-28 11:15 AM, Michael T. Dean wrote:
> ..
>> FWIW, I had been getting a lot of OTA recordings that showed
>> "jitters/pixelation" during playback. When I switched my profile from
>> VDPAU decode + VDPAU render to ffmpeg decode + VDPAU render, all the
>> issues went away. I don't think it's a problem with MythTV code, but a
>> problem with VDPAU's ability to cope with small errors in the stream due
>> to small signal issues.
>
> That used to be the case here too.
> But at some point, an NVIDIA driver update cured it,
> and made their decoding pretty much equivalent to myth software decode,
> at least for the situation here.
>
> Cheers
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I would add to my earlier post that I've also updated the Nvidia
driver to current -
NVIDIA-Linux-x86-290.10.run
Release: 11.10
Codename: oneiric
mythtv-frontend 2:0.24.2+fixes.20120124
cat /etc/X11/xorg.conf
Section "Screen"
Identifier "Default Screen"
DefaultDepth 24
EndSection
Section "Extensions"
Option "Composite" "Disable"
EndSection
Section "Device"
Identifier "Default Device"
Driver "nvidia"
Option "DPI" "100x100"
Option "TripleBuffer" "True"
Option "NoLogo" "True"
EndSection
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