[mythtv-users] MythTV Light on RPi 3b

Martin Bene Martin.Bene at icomedias.com
Mon Jan 11 07:53:33 UTC 2021

I've just spent the last couple of days upgrading my mythtv system (backend plus 5 Raspberry 3b Frontends).

I wanted to go from 0.27 to 31, but in the end I gave up on 31 and went with 30 instead because I could not get acceptable playback on 31.

Both on .27 and on 30  Playback up to and including 1920p50 works perfectly using the openmax decode and openmax render methods, even without MPEG license.

For 31, I installed 2020-12-02-raspios-buster-armhf, updated and followed the wiki instructions for new playback profile using V4L2 decode only + OpenGL YV12 renderer (both with and without MPEG license).  With all settings I tried I had slight tearing in playback.

Can you post the /boot/config.txt you're using and the playback profile settings you settled on? Are you using a decoder license? Do you run mythtv from an lxsession or are you using eglfs?

I could get autostart working for lxsession using .config/lxsession/LXDE-pi/autostart; running QT_QPA_PLATFORM=eglfs mythfrontend didn't work for me.

Regards, Martin

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