[mythtv-users] 0.26 and Intel graphics problems

Fredrik Lingvall fredrik.lingvall at gmail.com
Tue Nov 6 12:58:28 UTC 2012


On 10/29/12 22:36, Michael T. Dean wrote:
> On 10/29/2012 04:26 AM, Fredrik Lingvall wrote:
>> * I get a clearly visible tearing, both using VAAPI and Xvideo, in 
>> the upper part of the screen when there is a lot of panning in the 
>> video.
>>
>>  http://www.mythtv.org/pipermail/mythtv-users/2012-January/326392.html
>
> MythTV relies on the video card/driver to prevent tearing--which may 
> require configuring your card/drivers to enable this feature.
>
> For the other issues, about all I can say is that VA-API support is in 
> its infancy--and may not work at all (let alone work well).
>
> Mike
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I found this information on the Intel tearing problem:

  http://www.phoronix.com/scan.php?page=news_item&px=MTIxMTM

It seems it's a Sandy/Ivy Bridge problem which is due to the powersaving 
in these chips (see post #7):

http://phoronix.com/forums/showthread.php?74598-Intel-Linux-Driver-Still-Working-To-Address-Tearing

/Fredrik


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