UHD 4K Resolution on Kodi 20/21 fixed to (only) 1080p

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Sholander
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UHD 4K Resolution on Kodi 20/21 fixed to (only) 1080p

Post by Sholander »

On my N2 all Android/LOS installations get proper EDID info and in Android settings I can choose and work with all supported resolutions reported by my TV.
In Kodi 20/21 installed on all Android/LOS versions, published here, for N2 I can get only ONE resolution - 1080p.
That means that in Android I cannot use Kodi Whitelist to choose any input resolutions (except 1080p) which should be passed through, without it being touched or processed, to my TV input. It seems as if all 4K video is first down_converted to 1080 and then Android reconverts it to 4K and outputs it to TV...

On the other hand in CoreElec, with the same Kodi 20/21 versions on the same device, all resolutions supported by my UHD TV reported via EDID are listed/supported. This results in all SD-UHD resolutions populating Kodi Whitelist and can be selected.

If needed I can post screen shots of 1 pixel vertical/horizontal line tests in Android & CoreElec to see the difference (in CE all lines are visible but in Android all horizontal lines are "melted" or fused/joined together into thick horizontal line)

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Re: UHD 4K Resolution on Kodi 20/21 fixed to (only) 1080p

Post by codewalker »

The amlogic S922X ap has limitaion of UI resolution to 1080p.
If you have 4k TV or monitor, odroid-n2 UI scaled from 1080p to 3840p, but Video output is 4k.

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Re: UHD 4K Resolution on Kodi 20/21 fixed to (only) 1080p

Post by Sholander »

Probably you mean "scaled from 1080p to 2160p", right?
OK, I tested again with Android resolution fixed to 2160p/60Hz instead of Auto, and 4k video tests OK.

But that still does not help my main problem: Kodi Whitelist cannot be used. So playing any video with lower resolution than UHD/4K, Kodi is doing upscaling to 4K, instead of superior upscaling my Sony TV can do if the video was passed through untouched, using whitelist, to my TV...

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Re: UHD 4K Resolution on Kodi 20/21 fixed to (only) 1080p

Post by rooted »

I think what you want isn't possible on Android, I don't believe Hardkernel has the knowledge to implement it.

I would love to have the same functionality Kodi provides under CoreELEC in Android but I don't expect to see it. None of my Android devices have this functionality, such as the latest device I have is the Mecool KM2 Plus Deluxe and to do automated resolution switching I have to use a third party application and the whitelist in Kodi is stuck at 1080 just like on odroid.

Maybe if the sysfs entry to control resolution/framerate was world writeable it could work but I'm not sure as I've not dug into it.

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Re: UHD 4K Resolution on Kodi 20/21 fixed to (only) 1080p

Post by Sholander »

codewalker wrote:
Wed Jan 31, 2024 10:51 am
The amlogic S922X ap has limitaion of UI resolution to 1080p.
If you have 4k TV or monitor, odroid-n2 UI scaled from 1080p to 3840p, but Video output is 4k.
OK for video, but then ALL photos/pictures are displayed at 1080 resolution, same as UI; why is that?

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Re: UHD 4K Resolution on Kodi 20/21 fixed to (only) 1080p

Post by Sholander »

rooted wrote:
Thu Feb 01, 2024 1:41 am
I think what you want isn't possible on Android, I don't believe Hardkernel has the knowledge to implement it.

I would love to have the same functionality Kodi provides under CoreELEC in Android but I don't expect to see it. None of my Android devices have this functionality, such as the latest device I have is the Mecool KM2 Plus Deluxe and to do automated resolution switching I have to use a third party application and the whitelist in Kodi is stuck at 1080 just like on odroid.

Maybe if the sysfs entry to control resolution/framerate was world writeable it could work but I'm not sure as I've not dug into it.
Well, I can tell you that on my old Firestick 4K (Mediatek SoC) I have in Android-Kodi ALL video resolutions and also in UI and Whitelist, and all 4K images/photos are displayed in 4K resolution.
So, is it probably Amlogic-Android limitation or deficiency ?

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Re: UHD 4K Resolution on Kodi 20/21 fixed to (only) 1080p

Post by rooted »

I didn't mean the hardware isn't capable as it is, we know from CoreELEC.

I don't believe Hardkernel has the spare Android development resources and/or want to spend their limited resources to implement it.

Given CoreELEC is available they will likely recommend using it for this functionality.

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Re: UHD 4K Resolution on Kodi 20/21 fixed to (only) 1080p

Post by codewalker »

Sorry, 2160p is right.
s922x is not supported for 4K UI resolution on android.
When we tried making it 4K capable, it broke the screen and was very slow.

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Re: UHD 4K Resolution on Kodi 20/21 fixed to (only) 1080p

Post by Sholander »

codewalker wrote:
Thu Feb 01, 2024 12:06 pm
Sorry, 2160p is right.
s922x is not supported for 4K UI resolution on android.
When we tried making it 4K capable, it broke the screen and was very slow.
Strange, since Android 4K UI works flawlessly on Firestick/FireTV and Shield devices. I thought that N2 has enough power to handle 4K UI in Android, since it does that in CoreElec (Linux).

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Re: UHD 4K Resolution on Kodi 20/21 fixed to (only) 1080p

Post by codewalker »

S922X is simlar to A311D and A311D is impossible to 4K UI.
https://www.cnx-software.com/2021/10/21 ... -16gb-ram/

Sholander wrote:
Mon Feb 05, 2024 8:49 pm
codewalker wrote:
Thu Feb 01, 2024 12:06 pm
Sorry, 2160p is right.
s922x is not supported for 4K UI resolution on android.
When we tried making it 4K capable, it broke the screen and was very slow.
Strange, since Android 4K UI works flawlessly on Firestick/FireTV and Shield devices. I thought that N2 has enough power to handle 4K UI in Android, since it does that in CoreElec (Linux).

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Re: UHD 4K Resolution on Kodi 20/21 fixed to (only) 1080p

Post by Sholander »

codewalker wrote:
Tue Feb 06, 2024 8:26 am
S922X is simlar to A311D and A311D is impossible to 4K UI.
https://www.cnx-software.com/2021/10/21 ... -16gb-ram/
Ok, I can see on that link that 4K UI is not supported...
How is then possible to get 4K UI in CoreElec (Linux), when it's not supported ?

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Re: UHD 4K Resolution on Kodi 20/21 fixed to (only) 1080p

Post by rooted »

Sholander wrote:
codewalker wrote:
Tue Feb 06, 2024 8:26 am
S922X is simlar to A311D and A311D is impossible to 4K UI.
https://www.cnx-software.com/2021/10/21 ... -16gb-ram/
Ok, I can see on that link that 4K UI is not supported...
How is then possible to get 4K UI in CoreElec (Linux), when it's not supported ?
Because Linux has no such limitation, the limitation is Android.

Android TV 12 and up does support 4K rendering of the homescreen and apps and I see no reason the S922X wouldn't be capable of running in 4K.

The Google ADT-3 supports 4K UI and it's S905Y2 (S905X2 is the same) based with only 2GB of RAM.

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Re: UHD 4K Resolution on Kodi 20/21 fixed to (only) 1080p

Post by Sholander »

rooted wrote:
Fri Feb 09, 2024 8:59 pm
Sholander wrote:
codewalker wrote:
Tue Feb 06, 2024 8:26 am
S922X is simlar to A311D and A311D is impossible to 4K UI.
https://www.cnx-software.com/2021/10/21 ... -16gb-ram/
Ok, I can see on that link that 4K UI is not supported...
How is then possible to get 4K UI in CoreElec (Linux), when it's not supported ?
Because Linux has no such limitation, the limitation is Android.

Android TV 12 and up does support 4K rendering of the homescreen and apps and I see no reason the S922X wouldn't be capable of running in 4K.

The Google ADT-3 supports 4K UI and it's S905Y2 (S905X2 is the same) based with only 2GB of RAM.
On mentioned site I did not see that 4K UI is not possible only on Android, so mentioned Linux...

I also tried with @voodik's "selfinstall-odroidn2-lineage-20.0_alpha-0.3_20230922.q.ATV.img.zip" installation, which is based on Android 13 hopping to get 4K GUI, but still no luck...

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