[mythtv-users] Playback problem

Michael T. Dean mtdean at thirdcontact.com
Mon Apr 2 16:45:02 UTC 2012


On 03/30/2012 03:30 PM, Stefan D wrote:
> On Fri, Mar 30, 2012 at 9:23 PM, Stefan D wrote:
>
>> The last few weeks i have had a problem with playback. I have used VDPAU
>> since about 1½ year without any problems. But recently when watching
>> recordings i get a lot of pixelation(or what it is called) when there is a
>> scene change or fast moving scenes when there is a lot of movement on the
>> screen. If i switch to OpenGL instead of VDPAU the problems go away.
>>
>> But then i get another problem. With OpenGL i cant watch LiveTV, i get a
>> lot of:
>>
>> 2012-03-30 21:07:38.022078 N [8320/8320] CoreContext mythplayer.cpp:2079
>> (PrebufferEnoughFrames) - Player(4): Waited 102ms for video buffers
>> AUUUUUUUUuUuLAAAAAAAAAAAAAAAAAAP
>>
>> And i get a little paus every 2-3 second, impossible to watch LiveTV. But
>> to get it even more strange, VDPAU seems to work fine with LiveTV.
>>
>> LiveTV: VDPAU = Good, OpenGL= Bad
>> Recordings: VDPAU = Bad , OpenGL= Good
>>
>> I have a Intel(R) Core(TM)2 Duo CPU E8200  @ 2.66GHz, and about 15-22% cpu
>> utilization when running OpenGL, so i should have enough power, and since
>> it works fine with recordings...
>>
>> If someone is interested to help me i would be happy to supply better log
>> files, but i dont know what options to enable that would be helpful.
> Maybe i was a little fast in my conclusions, it seems that pixelation is
> still present with VDPAU and LiveTV. But if i record the program, switch to
> OpenGL and watch the recording it works.
> But i would like to use VDPAU all the time like before, the quality of the
> picture is better with VDPAU.
>

In Live TV, hit pause for a couple seconds or LEFT (to skip back a few 
seconds) and it will likely work fine with VDPAU.

Mike


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