[mythtv-users] Mythtv-frontend operation with 4K TV?
mark.kendall at gmail.com
Thu Sep 10 07:59:39 UTC 2020
There are potentially a couple of advantages to running at 1080p.
Firstly any 4k TV worth its salt will do a better job of upscaling 1080
and/SD content than most media players. This is largely due to better,
dedicated hardware. If you feed it 4K it can't do much scaling wise.
Secondly, with the way mythtv rendering works at the moment, displaying
both the UI and video at 4K is going to work the system harder - both in
terms of gpu load and memory consumption. Admittedly it's probably not
enough to be an issue on a modern, desktop system but will be relevant on
less capable hardware (e.g. pi4 etc). All the current mythtv themes are max
1080 by design and scaling them up could be better handled in hardware -
it's something on my to-do list.
I would recommend enabling resolution switching , set both the UI and video
resolution to 1920*1080 and use 'auto' for refresh rate matching. If you
have some 4k content then add an override for that as well.
(Note: display mode switching should work with 'regular' Linux and macos
setups but is limited or not implemented in other cases e.g. no pure
Wayland support in .31, raspberry pi without X can only switch refresh
rate, other Linux without X no support)
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