[mythtv-users] VAAPI vs. normal vs. OpenGL?

[Jim Abernathy]

On 11/20/2017 08:17 AM, Peter Bennett wrote:
>
>
> On 11/20/2017 07:18 AM, Jim Abernathy wrote:
>>
>> On 11/20/2017 07:11 AM, Stuart Auchterlonie wrote:
>>> On 20/11/17 12:05, Jim Abernathy wrote:
>>>> On 11/20/2017 06:40 AM, Stuart Auchterlonie wrote:
>>>>> On 20/11/17 11:15, Jim Abernathy wrote:
>>>>>> Every time I install mythtv 0.28 on any Intel CPU with built in 
>>>>>> GFX I
>>>>>> check the setup wizard and it always has the Video Profile set to
>>>>>> normal. When I Test the HD on that page it usually works fine.
>>>>>>
>>>>>> However, I remember that you use to have to change it to VAAPI or 
>>>>>> OpenGL
>>>>>> High Quality to get the best performance and lowest CPU utilization.
>>>>>> vainfo says I have VA-API version 0.39 (libva 1.7.0)
>>>>>>
>>>>>> What I notice lately is that if I change it to anything except 
>>>>>> normal,
>>>>>> the FE crashes out of mythtv completely.
>>>>>>
>>>>>> Before I submit any logs, etc.  Should I just leave it on Normal for
>>>>>> Intel GFX?
>>>>>>
>>>>> Shouldn't crash. logs please.
>>>>> gdb backtrace even better.....
>>>> So here is a link to the log for a session that I only started to run
>>>> the setup wizard. I don't know how to give you a gdb backtrace. You'll
>>>> need to guide me thru that.
>>>>
>>>> https://pastebin.com/raw/ZN97XjSd
>>> I see an issue here
>>> mythfrontend[17542]: E CoreContext vaapicontext.cpp:348 (CreateDisplay)
>>> VAAPI: Invalid display
>>> mythfrontend[17542]: E CoreContext videoout_openglvaapi.cpp:167
>>> (CreateVAAPIContext) VidOutGLVAAPI: Failed to create VAAPI context.
>>> mythfrontend[17542]: I CoreContext mythpainter_ogl.cpp:62 (ClearCache)
>>> Clearing OpenGL painter cache.
>>> mythfrontend[17542]: I CoreContext mythrender_opengl2.cpp:896
>>> (DeleteOpenGLResources) OpenGL2: Deleting OpenGL Resources
>>> mythfrontend[17542]: I CoreContext mythrender_opengl.cpp:1211
>>> (DeleteOpenGLResources) OpenGL: Deleting OpenGL Resources
>>> mythfrontend[17542]: E CoreContext videooutbase.cpp:318 (Create)
>>> VideoOutput: Not compiled with any useable video output method.
>>> mythfrontend[17542]: E CoreContext mythplayer.cpp:493 (InitVideo)
>>> Player(1): Couldn't create VideoOutput instance. Exiting..
>>>
>>> So it's failing to create a connection to the x display for some
>>> reason, and then bombing out. On the bright side it's not actually
>>> crashing so we don't need a gdb backtrace.
>>>
>>> What is your DISPLAY variable set to?
>>>
>>> Can you re-run that test with `--verbose playback` please?
>>>
>>>
>>> Regards
>>> Stuart
>>>
>> here is the link to the verbose console output:
>> https://pastebin.com/raw/mdFq98Dt
>>
>> Jim A
>>
>>
>>
>
> I think you may be using the QT theme painter with an OpenGL or VAAPI 
> Playback profile. That does not work. Try changing the Theme Painter 
> to OpenGL.
>
> Peter
> ______

I changed the Theme painter from QT to OpenGL 2 and then I set VAAPI 
Normal and it works as expected.

Thanks,

Jim A

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