[mythtv-users] Jitters during playback

Michael T. Dean mtdean at thirdcontact.com
Sun Jan 29 13:21:59 UTC 2012


On 01/29/2012 06:29 AM, Brent Bolin wrote:
> On Sat, Jan 28, 2012 at 9:47 PM, Mark Lord 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.
> I would add to my earlier post that I've also updated the Nvidia
> driver to current -
>
> NVIDIA-Linux-x86-290.10.run

I'm using 290.10 (which is the current version on nvidia's site - 
http://www.nvidia.com/object/unix.html ), also.

Mike


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