[mythtvnz] Frontend died - replacement?

[Robin Gilks]

>> On Sat, 21 Nov 2020 22:46:41 +1300, you wrote:
>>
>>>My Frontend has just died & I'm using a spare - which I can't seem to
>>> get
>>>smooth video on.
>>>
>>>The replacement is a Gigabyte Brix with a quad core J1900 Celeron
>>> clocked
>>>@ 2G with 4G of RAM and a 32G SSD. This should be more than enough for a
>>>1920x1080 display but I'm getting lots of jaggies on movement and some
>>>videos (H264 - probably captured off Freeview) have micropauses that
>>> makes
>>>the sound stutter.
>>>
>>>Any idea on what video profile I should use? I'm still on 0.28 and its
>>> so
>>>long since I set up the original that I can't remember how to navigate
>>> to
>>>the 'in depth' setup screens.
>>>
>>>Failing getting the Brix working, any ideas on a decent replacement? I'm
>>>thinking an i5 NUC but maybe that's an overkill (and by the time RAM,
>>> disk
>>>etc is added it getting pricey!).
>>>
>>>Cheers
>>
>> That sounds like you are having problems with the deinterlacing.  As
>> best I can recall, older Intel GPUs do not have the best of
>> interlacing modes in hardware, but they should do better than that. So
>> I think you are trying to do it all in the CPU and it is not good
>> enough for that.  Try playing a 1080p video - it should play fine.  If
>> so, then look at the hardware deinterlacing options in the VAAPI
>> settings and see if you can get an acceptable picture with them.  Also
>> see if you have the display profile set to use all cores of the CPU -
>> it may default to using 1 core only.
>>
>> It might be time to upgrade also - v31 has major rendering upgrades,
>> including better support for Intel video hardware.
>
> Does the hardware support vaapi?
>
> Try running "vainfo" on the command line.
>

This is what I get - no idea how it relates to my old 0.28 frontend though!!

libva info: VA-API version 0.39.0
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_0_39
libva info: va_openDriver() returns 0
vainfo: VA-API version: 0.39 (libva 1.7.0)
vainfo: Driver version: Intel i965 driver for Intel(R) Bay Trail - 1.7.0
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

-- 
Robin Gilks zl3rob/g8ecj
Internet: g8ecj at gilks.org    http://www.gilks.org