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4K Support

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Published in 2016-1-14 11:18:42 | Show all floors |Read mode
Does OPI supports 4K resolution over HDMI ? accoring toAllwinner SOC CPU is capable of 4K .
I would like to try 4K on TV, Since all OPI linux default resolution support max upto 1080? Is there anyway i can enable?


I am not afraid to crosscompile and debug linux kernel


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Published in 2016-1-20 01:56:45 | Show all floors
Not really. Video driver supports max. 1080p. Besides, on HDMI 1.4 you can't get nice 4K resolution.

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Published in 2016-1-21 03:01:55 | Show all floors
Yes it does.I use one of my boards for 4k player on my tv and it works nice and smooth.And what was that about the hdmi 1.4 ? Difference between 1.4 and 2.0 is the refresh rate limitation and the data bandwidth but still 30hz is more than enough.And there is no difference in picture quality.   

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Published in 2016-1-21 07:03:58 | Show all floors
Edited by jernej at 2016-1-21 00:09

Sorry, my bad. H3 supports 4k up to 30Hz as you said.

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Published in 2016-1-21 17:24:59 | Show all floors
Everyone makes mistakes.

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 Author| Published in 2016-1-26 12:23:21 | Show all floors
Thanks for update,

How could you make it desktop resolution to 4K? all i see display setting max up to 1080P@60 Hz under linux (lubuntu, ubuntu.. etc).
it could be great if you could tell me how to update setting..

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Published in 2016-1-26 13:26:00 | Show all floors
4K @30Hz is not usable for daily desktop operations.

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 Author| Published in 2016-1-27 02:22:21 | Show all floors
I am not looking for daily use but rather Media Center, like using KODI, browsing some Pictures etc. it seems OK @30Hz.
With SAMSUNG 4K TV OPI-PLUS goes to 1080P@60HZ.

I would like to know how can set lubuntu/ubuntu settings to 4K?  

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Published in 2016-4-25 20:51:14 | Show all floors
One of the first test I made on my OPI + whith native Android is playing a 4K 25HZ HEVC file .
It worked very well but I don't have a 4K monitor.
The file used was a test DVBT broadcast
So I tried other files from satellite with less success.
Until now results with various Linux distributions have been poor.

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Published in 2019-1-9 22:09:22 | Show all floors
Thanks, I use Orange pi lite libreelec kodi 16.1 , can support video ? but how do setting up ? please help me...
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