CoreELEC 22.0-Piers_alpha3 Discussion

Development Development & Testing
1

Please use this thread for general CoreELEC 22.0-Piers_alpha3 discussion

Before posting an error please follow these troubleshooting steps.

4 Likes
CoreELEC 22.0-Piers_alpha3 (March 12th, 2026)
CoreELEC 22.0-Piers_alpha2 Discussion
2

Just one quick question! Am I correct that in the case of CoreELEC 22.0-Piers on the Ugoos AM6B+, Dolby Vision FEL playback is no longer supported?

3

Really? Need to ask again and again?

No, no FEL with CE-22 NO build.

4 Likes
4

5 posts were split to a new topic: X96 200 s905x5a

7

I want to try get analog audio working on an agreed somewhat old Ugoos X3 Pro so I do

$ git clone GitHub - CoreELEC/CoreELEC: A lightweight OS for KODI · GitHub
$ cd CoreELEC/
$ git checkout -b 22.0-Piers_alpha3 22.0-Piers_alpha3
$ scripts/build linux

That goes fine and I get sm1_s905x3_4g_1gbit.dtb …

Now I change sm1_s905x3_4g_1gbit.dts but if I next do

$ scripts/build linux

again, … nothing happens.

sm1_s905x3_4g_1gbit.dtb does not get rebuilt.

Question : How do I manage to do so i.e. to just rebuild the dtb?

fwiw: the change is

auge_sound {
        avout_mute-gpios = <&gpio GPIOD_2 GPIO_ACTIVE_HIGH>;

        aml-audio-card,dai-link@1 {
                codec {
                        sound-dai = <&amlogic_codec>;
                };
        };
};

which may not fit other s905x3 but may fit my (agreed unsupported) Ugoos X3 Pro

Note that this device is not any of my daily players. I am only experimenting.

Thanks in advance

8

If all you are working with is device trees then just use device tree compiler

dtc -I dts -O dtb -o sm1_s905x3_4g_1gbit.dtb sm1_s905x3_4g_1gbit.dts

Full how to here: How to use the command 'dtc' (with examples)

Linux package (debian) device-tree-compiler

and IIRC this is included in CE so you could use SSH on a CE box if so.

9

@neqwdtkukwjaanti thanks for reply

I had tried device tree compiler but maybe not exactly correct command line usage… :frowning:

I got a compile error line#1 (both on original and new dts)

So I then thought perhaps some target for

$ scripts/build target # rebuild dtbs

existed.

I am now restarting entire linux build from scratch and will try dtc again. Keep you informed.

Have a nice day

update

here error on original dts

$ dtc -I dts -O dtb -o sm1_s905x3_4g_1gbit.dtb sm1_s905x3_4g_1gbit.dts
Error: sm1_s905x3_4g_1gbit.dts:1.1-2 syntax error
FATAL ERROR: Unable to parse input tree

I also tried -i option

$ dtc -i . -I dts -O dtb -o sm1_s905x3_4g_1gbit.dtb sm1_s905x3_4g_1gbit.dts

10

After you have made your edit run
rm -f build.CoreELEC-Amlogic-no.aarch64-22/.stamps/linux/build_target
then
scripts/build linux

removing the stamps forces a rebuild with the current local files.

I don’t know what your entire dts edit looks like to know why dtc is failing.

2 Likes
11

I think I see why, I made an assumption they had a full dts they were working with.

Instead the only place it exists is from the linux source (on my end)

  • build.CoreELEC-Amlogic-no.aarch64-22/build/common_drivers-a687c1bf3c0ea926b6b722fcebb62dd110115eea/arch/arm64/boot/dts/amlogic/sm1_s905x3_4g_1gbit.dts

Those are not working with dtc

12

this works! Thanks

fwiw: Unfortunately I could not get analog audio to work and the Ugoos X3 bluetooth does not work either. In fact, the patch was a noop since amlogic_codec is set in coreelec_sm1_common.dtsi …

fair enough … it is not as supported box anyway

13

What are you even talking about? I haven’t asked anything on this forum for about a year and a half. :slightly_smiling_face: I’d suggest you take a little break sometimes too… :wink:

14

I’m talking about that you should read a forum a little before posting such question. Because your question was answered 100 times. Ok, now 101 times.

1 Like
15

Hi, I am using a generic S905X3 device. The new alpha3 version runs well overall.

But I have issues with DVD ISO playback and navigation.

When I use the hardware MPEG2 decoder DVD menus do not work properly or do not open at all.

Switching to software decoding brings back working DVD navigation, BUT: MPEG2 videos start to stutter like hell.

This does not happen on the Omega stable release. Playback and scaling of the video to HD work smooth.

I am pretty sure that the scaler in Piers version has issues, because
when I set the picture size to “Original” all runs smooth (but picture
on the TV is too small of course).

I have seen some older posts about DVD playback issues on newer
CoreELEC releases triggered by the new feature “hardware decoded DVD
menus”.

Is this issue known and are there possible fixes for it?

16

Hi,

Today I updated to Πers nightly (20260314) :smile: Everything works exactly as it worked with 20260224 I was previously using.

Only 2 things to report, which both haven’t worked for a bunch of months now but they’re not critical.

  1. I often download some videos from YouTube especially from The HDR Dissector aka RESET_99, don’t know if he’s still present and active on this forum. I download the videos with the following command: yt-dlp –merge-output mkv -f 251+337 and I can’t get these videos to trigger the HDR mode anymore for several months. The latest video - https://www.youtube.com/watch?v=ubf3b0SlxIc - is no exception. mediainfo does not show any HDR flag. The command yt-dlp -F https://www.youtube.com/watch?v=ubf3b0SlxIc confirms that 337 is 2160p HDR.

    The last videos I can remember that worked as expected were from october/november 2025, respectively - https://www.youtube.com/watch?v=epgZkw1Vd5I and https://www.youtube.com/watch?v=AuPXcBkKxtg . Anything newer like https://www.youtube.com/watch?v=iMJnw_VHZIw don’t trigger HDR mode anymore once downloaded.

  2. If I set Kodi -> System -> System -> Display -> Delay after change of refresh rate to anything above 0.4s, this is what happens:

    • Most videos end up in a black screen
    • Some videos, especially HDR ones, display the first frame frozen. I must press Pause twice (triggers pause and then play) to start the video.

    Up to CE-NO 20250624 it worked perfectly and the first release I faced the problem was 20250407.

I only report these in case there’s something to do about it. The first issue is a bit annoying as “The HDR Dissector” produces really nice and informative comparison videos. The second one I can live with it.

17

Hi, I am using a generic S905X3 device. The new alpha3 version runs well overall.

Just curious: which exact box, and, you play sound via which device:

(PCM | S/PDIF | Bluetooth | …)?

18

I also have an X96 S905x3 that I occasionally use. I play all sound from an AVR (AMP) through the hdmi to 5.1 speakers.

1 Like
19

I also have an X96 S905x3 that I occasionally use. I play all sound from an AVR (AMP) through the hdmi to 5.1 speakers.

OK … thanks. I very occasionally use Ugoos X3 Pro S905x3 and HDMI sound output does work as well. Have a nice day!

1 Like
20

I am using a Chinese HK1 box. And the audio goes via HDMI Passthrough to the AMP device.

2 Likes
21

Hi there.

I also had a delayed set in previous alpha 2 and I had the same issue: blank screen/first frame stopped on screen. I had to press pause and play again to resume it.

I solved it by removing that setting. In practice, it works: the new resolution is set in my Sony TV and the video is played. I do not notice any issue or artifact by doing this…

I did not find here anybody else with this problem, so I guess it is Kodi’s. But it would be nice to know it and actually solve it.

22

Hi, I have a GT-King 922x device and have Wi-Fi problems for a few weeks. After starting up, the Wi-Fi connection drops. When I reconnect, it stays active. There’s no problem with the wired connection. Does anyone know a solution?