With some 4K HDR content I am experiencing the color distortion at pink and green colors as it was discussed in other threads already (if one suspects it had to do with Dolby Vision, I read something that at least since the April 2024 update it should be supported).
I am wondering if there are some setting tweaks in OSMC or on Kodi/Linux level (e.g. regarding color space) which might help getting rid of this.
My display device is an Optoma UHD38x projector. I guess my HDMI cable is rather not the culprit: HDMI 2.1, 8K Ultra High Speed, 48Gbps, 4K 120Hz.
Update: Turns out the projector itself doesn’t support Dolby Vision. I am not experienced enough how the signal processing for this works, however is it maybe possible to kind of exclude forwarding of Dolby Vision “metadata” in a video signal coming from the Vero V and hand it to the projector in such a way that still as an HDR signal without Dolby Vision, the colors are reproduced as intended? As in my first post, my question goes in the direction of twaeking the settings inside the Vero, respectively.
It should just work. But you can turn off DV and output HDR10. See Disable Dolby Vision - #13 by pinn73
Still no luck. I also found my projector does not support HDR10+ but only HDR10 and HLG, so I have currently set my Vero V as follows:
- Settings->Player->Videos->Adjust HDR mode display - ON
- Settings->Player->Videos->hdr processing - set to “Force HDR”
- Settings>System>Display> Manually set a display’s HDR support - set to “HDR10 and HLG”
Maybe worth mentioning that among others, the issue becomes particulary pregnant when using the Aerial screensaver: Some of the videos show the correct HDR colors, others look like a negative picture with the color exaggerations mentioned before.
So that combination of settings works for you?
For the record:
Adjust HDR mode display does nothing (we need to get rid of it).
Force HDR stops Vero sending DV output ie it subtracts DV capability.
Manually set a display’s HDR support adds those capabilities where the EDID does not include them - useful when a AVR doesn’t support HDR10+ or DV.
Screensavers won’t be the right colours when playing DV content to a DV screen but should be OK if you’ve disabled DV (which you have, it seems).
If you want more advice, please post full debug logs.
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just to piggy back this, I’ve noticed some DV titles exhibiting the same issue. To fix it, I then need to open up other DV titles until they finally display correctly. I can then go back to the original title and DV will kick in correctly. Can’t reproduce as quite a random occurence.