[mythtv-users] Vaapi use on Sandy Bridge

William Otten williammotten at gmail.com
Thu Jan 26 20:33:25 UTC 2012


On 1/26/2012 1:35 PM, William Otten wrote:
> On 1/26/2012 1:09 PM, William Otten wrote:
>> On 1/26/2012 11:30 AM, William Otten wrote:
>>> On 1/26/2012 11:26 AM, Mark Kendall wrote:
>>>> On 26 January 2012 17:23, Mark Kendall<mark.kendall at gmail.com>  wrote:
>>>>> On 26 January 2012 17:07, william otten<williammotten at gmail.com>  
>>>>> wrote:
>>>>>> So my questions:
>>>>>> My attempt at get VAAPI working has failed...what is the problem 
>>>>>> / error in
>>>>>> Mythtv?
>>>>>> Does Ubuntu 11.10 come with all the needed software to support 
>>>>>> VAAPI?
>>>>>> Is there a way other than the VAAPI selection in Mythtv to know 
>>>>>> if VAAPI is
>>>>>> being used?
>>>>>> Any advice would be appreciated.
>>>>> Is it just mythfrontend that crashes? or the X server? If the former,
>>>>> can you try and capture some sort of backtrace
>>>>> (http://www.mythtv.org/docs/mythtv-HOWTO-22.html#ss22.2). If the
>>>>> latter, it's almost impossible to tell you whether it's a driver bug
>>>>> or mythtv using the driver 'inappropriately'. (In fact - can you
>>>>> capture a backtrace for either situation).
>>>>>
>>>>> The 0.25 vaapi code is tested using the ubuntu-x-swat repository
>>>>> enabled to get the latest libva and related fixes - it may be worth
>>>>> trying that to see if it helps.
>>>> Oh - and you may want to try and update myth to the very latest code -
>>>> I commited an opengl fix today that might be relevant.
>>>>
>>>> Mark
>>>> _______________________________________________
>>>> mythtv-users mailing list
>>>> mythtv-users at mythtv.org
>>>> http://www.mythtv.org/mailman/listinfo/mythtv-users
>>> It's the frontend that crashes not the x server. Also this system is 
>>> just a frontend.
>>> I will take a look at the backtrace option.
>>> Also I will setup the ubuntu-x-swat repo and look for the latest 
>>> update you submitted today.
>> Tried the ubuntu-x-swat repo and no change. Still waiting for the 
>> mythtv update.
> I reviewed the Mythtv how to site for troubleshooting and the webpage 
> is confusing for someone that isn't use to compiling. If I understand 
> it correctly, I need to re-compile mythtv with debugging.
I wanted to find out if there were any compatibility problems with my 
hardware so I tried out Openelec. This seemed to work fine. The CPU 
usage was 6 - 12% and the recordings and videos played with a very good 
quality and no tearing.


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