[mythtv-users] Diagonal video tearing on frontend
Damian
myth at surr.co.uk
Sat Jan 5 18:41:19 UTC 2019
On 05/01/2019 16:20, Damian wrote:
> Hi All,
>
> My main frontend, connected to my projector, is an old Liva box.
>
> It generally works great, but I've had video tearing issues for the
> last few months. No one else in the house notices it really, but it
> drives me mad! :-)
>
> I 'think' (could be wrong) that installing VAAPI fixed this in the
> past. However, I've tried and failed to install that several times.
>
> Just tried again, and things look fine to me ...
>
> vainfo:
> libva info: VA-API version 1.1.0
> libva info: va_getDriverName() returns 0
> libva info: Trying to open
> /usr/lib/x86_64-linux-gnu/dri/i965_drv_video.so
> libva info: Found init function __vaDriverInit_1_1
> libva info: va_openDriver() returns 0
> vainfo: VA-API version: 1.1 (libva 2.1.0)
> vainfo: Driver version: Intel i965 driver for Intel(R) Bay Trail - 2.1.0
> vainfo: Supported profile and entrypoints
> VAProfileMPEG2Simple : VAEntrypointVLD
> VAProfileMPEG2Simple : VAEntrypointEncSlice
> VAProfileMPEG2Main : VAEntrypointVLD
> VAProfileMPEG2Main : VAEntrypointEncSlice
> VAProfileH264ConstrainedBaseline: VAEntrypointVLD
> VAProfileH264ConstrainedBaseline: VAEntrypointEncSlice
> VAProfileH264Main : VAEntrypointVLD
> VAProfileH264Main : VAEntrypointEncSlice
> VAProfileH264High : VAEntrypointVLD
> VAProfileH264High : VAEntrypointEncSlice
> VAProfileH264StereoHigh : VAEntrypointVLD
> VAProfileVC1Simple : VAEntrypointVLD
> VAProfileVC1Main : VAEntrypointVLD
> VAProfileVC1Advanced : VAEntrypointVLD
> VAProfileNone : VAEntrypointVideoProc
> VAProfileJPEGBaseline : VAEntrypointVLD
>
> However, if I choose VAAPI playback from within MythTV, it doesn't work.
>
> Am I missing something?
>
> Do I need to do anything else to get VAAPI woking?
>
> Or is there anything else that I can do to get rid of the diagonal
> (line runs top left to bottom right) video tearing?
>
> Thanks,
> Damian
Woohoo! Just sorted this one.
I haven't changed anything to do with VAPPI, but I found this page ...
https://www.mythtv.org/wiki/Intel_Integrated_Graphics
... and the tearing trick at the bottom has worked perfectly!
Hope this helps someone else.
Cheers,
Damian
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