Help, support CPM build

[FrankieBBBB]

Yeah, a switch would be nice

[FrankieBBBB]

The Button mapping script to toggle VS10 Engine On/Off v1.1, can it turn the complete engine off to?

[R3S3T_9999]

@R3S3T_9999

Try this. The HDR10plus metadata are OOS and brightness change should be visible

Ok just got home and tried the sample I did earlier and I don’t think the HDR10plus to DV conversion is working correctly. There’s barely any visible brightness change… For reference, I just converted the metadata to DV with dovi_tool and the brightness adjustments are 5 times more visible than the ugoos conversion.

[MauriceW67]

Interesting… I hope @cpm is still reading this forum

Did you try to see if any of the Peak Brightness settings makes a difference?

[W4RW0LF47]

Thanks, on this one I do see changes in brightness.

[R3S3T_9999]

@MauriceW67

Interesting… I hope @cpm is still reading this forum

Did you try to see if any of the Peak Brightness settings makes a difference?

I only tested the default settings which should be the best one and the dovi_tool conversion test file is done with the same histogram setting so there shouldnt be such a huge difference between the two. I’ll ask CPM.

[R3S3T_9999]

@W4RW0LF47

Thanks, on this one I do see changes in brightness.

you mean the one with HDR10plus only ? because I do see some slight change too but nothing compared to the file converted with dovi_tool (actually im using the improved version of dovi_tool HDR10plus conversion made by @ doppingkoala, not the official one).

[R3S3T_9999]

@R3S3T_9999

I only tested the default settings which should be the best one and the dovi_tool conversion test file is done with the same histogram

Ok the difference is the CPM’s build histogram default that is not right IMO. Histogram-plus is much better. I thought CPM builds and @ doppingkoala dovi_tool used the same default histogram.

[mrmorrison]

so, should we all change to “histogram plus”?

[R3S3T_9999]

yes, I think its better

[freddy]

Have Samsung
Always wondered if Tizen OS which is linux based open source
And Samsung HDR10+ is Dolby Vision equivalent
Also open source

If i playback Dolby Vision file ,and let Samsung internal process
There is a pause/onscreen message, please wait while system is optimized.

It only plays back as HDR10

[Tim_Taylor]

@freddy

Have Samsung

No DV
But, DV is overrated

[frodo19]

Also no dts.

[freddy]

We have Ugoos Am6b Plus CoreELEC cpm build
That us used on Samsung.

Should have explained better what iam wondering.

Many Blu-ray Rips are SDR
So use Player LED HDR setting in cpm

So all is converted playback as HDR

Was wondering if cpm conversion is different/better than letting Samsung TV internal optimized playback?

[stillsz]

Install CPM version, solve the problem

Release A8 · cpm-code/xbmc

[mrmorrison]

Is there a possibility that some day these devices will be able to decode cmv4.0 metadata also in DVLL?

[sunseeker2k5]

LLDV only supports 2.9. (UHD BD player compatibility)
If recall properly, disc based content is 2.9 anyway so you’d only lose out on streaming type stuff…

[mrmorrison]

Yes I knew it. In fact, at the moment I use internal players on my TV for 4.0 content (web dl) and CoreElec + Ugoos for FEL. My hope is to be able to use Ugoos only, at least until I have a DvLL TV

It is not clear to me, however, whether this limitation (dvll = 2.9) is insurmountable due to very specific limitations.

[boxr4k]

Thank you for the link and I tried it. Unfortunately, this is not the solution I’m interested in.

In Kodi, SystemInfo → Video still only advertises HDR10 and HLG only, no DV nor HDR10+ so it doesn’t solve the detection problem.

I don’t want to use any tone mapping substitute, Player LED or VS10, on my system as my TV natively supports DV.

Until the detection problem is fixed on CE-NG releases, I’ll stick with CE-NE which gives me 97% satisfaction, like native HDR10+ and DV support (except FEL)

[Ejz]

Heya! So im pretty new to this. Im coming from an Nvidia Shield Pro 2019.

My hardware/Software:
LG C2 55
Sonos Arc + Sub
FeinTech VAX04101A HDMI eARC Pass Switch 4x1 (For DTS)
Ugoos AMB6+
CoreELEC 21-ng nightly Generic
CPM bin

Content I watch:
SDR TV shows old and new
4k Remuxes with Dolby Vision
Older 1080 SDR movies also

So. I’m a bit confused, mostly about the DoVi settings. Currently, I’m using Display (TV) on demand mode. But there are options I don’t understand, and I don’t know if I should be using them. Also No idea what VS10 only means.

For example:
Dolby VSVDB
Colorimetry
Dynamic HDR10+ to Dolby Vision Profile 8.1 conversion
Well also pretty much all options below this.

I want the highest quality possible. I know some of these might be subjective, so feel free to explain why you think something is better than the other. Also, maybe there are more in-depth guides for these settings that explain more?

I did follow the guides I found here:

[Guide] S922X-J (Ugoos AM6b+) CoreELEC installation and FAQs

Compatible Devices Ugoos AM6b+ Ugoos AM6+ Minix U22X-J (Max) Requirements Download dovi.ko (mirrors dovi.ko or dovi.ko) Download remote.conf USB Stick / USB SSD / microSD card (whatever USB Storage you have available) Balena Etcher → balenaEtcher - Flash OS images to SD cards & USB drives (this is used to flash CoreELEC image onto the USB Storage) The latest CoreELEC 21-ng nightly Generic. Due to significant bug fixes, do not use the last stable release. Toothpick or any other tool that…

And here:

[Guide] S922X-J (Ugoos AM6b+) CoreELEC installation and FAQs

I have built a few Am6b+ for family and friends of varying technical proficiency. Below are the settings that I found work best for a relatively standard HDMI and 4K TV setup. No AVR, box connected directly to TV. Will go section by section in the menu and discuss pros-cons. This is a starting point so feel free to customize these according to your hardware. This is assuming everything has been installed to ceemmc using dualboot. If you haven’t done that yet, enable SSH and run the command cee…