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Old 28th January 2019, 07:20   #54481  |  Link
huhn
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technically plasma are 1 bit but as far as i know newer plasma panel except 12 bit which is then dithered.

but what so ever it shouldn't matter for the panel more if the processing can handle that properly and what i hear Panasonic didn't really do a great job back then.

so i recommend to set it to 8 bit just to be save.
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Old 28th January 2019, 15:25   #54482  |  Link
Mykola
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Have somebody compared scaling capabilities in modern GPU-s? I have found this, but it is three years old: https://github.com/zachsaw/MPDN_Exte...DXVA-HD-Scaler
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Old 28th January 2019, 15:30   #54483  |  Link
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Quote:
Originally Posted by Mykola View Post
Have somebody compared scaling capabilities in modern GPU-s? I have found this, but it is three years old: https://github.com/zachsaw/MPDN_Exte...DXVA-HD-Scaler
Warners guide has a lot of info on scaling and what is Low/Meds/High, it is not based on GPUs as such but I think it does explain how taxing they all are.

As far as I am aware the newer cards as it the 2070s and the likes are still at such an early stage all these things are based on using 10XX GPUs for the most part.

https://forum.kodi.tv/showthread.php...942#pid2238942

Last edited by madjock; 28th January 2019 at 15:36.
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Old 28th January 2019, 17:09   #54484  |  Link
Warner306
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Quote:
Originally Posted by Mykola View Post
Have somebody compared scaling capabilities in modern GPU-s? I have found this, but it is three years old: https://github.com/zachsaw/MPDN_Exte...DXVA-HD-Scaler
This is what it looked like the last time I tried researching this topic. I can't guarantee all settings are accurate and madVR might even tell you what is being used if you select DXVA2:

https://forum.kodi.tv/showthread.php...608#pid1966608
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Old 28th January 2019, 17:55   #54485  |  Link
YGPMOLE
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In a house of a friend of mine I tried to use madVR with an Nvidia GTX 1070 and we didn't get HDR Tone Mapping switch on a LG OLED C7.

O.S.: Windows 10 x64, HDR off (greyed out, not selectable)

LAV Video setting: Hardware decoding DX3D11 (but I also tried copy-back and Nvidia Cudic).

madVR settings are: HDR passthrough, output 10bit, metadata to the display, fullscreen exclusive.

Driver: the latest (15-01-2019).

The on-screen display shows output DX3D11, P010, 1000nits BT2020->DCPI3.

The same .mkv file played with a Zidoo (chinese mediaplayer) switches the display in HDR mode.

I use AMD, so I didn't know what else do: any suggestion?
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Old 28th January 2019, 20:28   #54486  |  Link
brazen1
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Try nVidia 385.28 driver.
If Windows HDR switch is greyed out, either Windows build is outdated/corrupt and/or GPU driver is broken.
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Old 29th January 2019, 03:40   #54487  |  Link
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Quote:
Originally Posted by brazen1 View Post
Try nVidia 385.28 driver.
If Windows HDR switch is greyed out, either Windows build is outdated/corrupt and/or GPU driver is broken.
Also, if you got multimonitor, try it with only 1 connected. Sometimes it doesn't detect correctly.
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Old 29th January 2019, 08:40   #54488  |  Link
mrmojo666
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on my system to get HDR autoswitch working, amd requires that bitdepth 10 or 12 bit is setup in driver settings
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Old 29th January 2019, 10:04   #54489  |  Link
madjock
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Quote:
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on my system to get HDR autoswitch working, amd requires that bitdepth 10 or 12 bit is setup in driver settings
It is an nVidia card he is using so should be easier as you do not need 10bit or FSE.

@YGPMOLE

The feed is not going through an older AVR is it ?, as if it is only 1.4, then you cannot get HDR to work correctly, try direct from the source to the TV to take things out of the loop.
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Old 29th January 2019, 12:57   #54490  |  Link
iSeries
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Originally Posted by YGPMOLE View Post
The same .mkv file played with a Zidoo (chinese mediaplayer) switches the display in HDR mode.
On the TV itself, is HDMI ULTRA HD Deep Color turned on for the HDMI port the PC is connected to?
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Old 29th January 2019, 13:25   #54491  |  Link
madjock
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On the TV itself, is HDMI ULTRA HD Deep Color turned on for the HDMI port the PC is connected to?
You would think they would have used the same HDMI that they used the media player with ? I think I can still get HDR with it at Standard or Optimised on my Phillips, I managed to break it yesterday by trying to put True-HD and HDR down a HDMI 1.4 port, that stopped it for me, still get all the correct numbers and words on the OSD, but no HDR as it does not have the correct specs.

Guess I need a new AVR as 2 displays in Windows when one is not real due to it just being DP->HDMI to AVR to get HI-RES Audio and HDR straight via HDMI to TV, you would not believe how that screws a system.

KODI is basically a waste of time and no idea why, its as if HDR knocks it out to the 2nd display, really strange as 1080p files upscaled to 2160p 23 don't, but 2160p HDR 23 does...work that one out.
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Old 29th January 2019, 20:34   #54492  |  Link
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Hi Guys! Thank you all for the tips, but:

@brazen1 I have been back in the thread, found the same suggestion from Madshi and used, but it doesn't solve.

@tp4tissue We already used this way, but still not working.

@madjock The cable was straight to the TV.

@iSeries This could be a possibility, for what I remember we didn't pull off any cable, but we just used the HTPC or the Zidoo with the file on a NAS, so we should have been using two different HDMI input port on the OLED.

I'll keep you posted! meanwhile, thank you again!!!
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Old 29th January 2019, 23:39   #54493  |  Link
Warner306
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I would expect it is the driver. Try 19.1.1.

Also, check the identification tab under devices and see if HDR support is indicated for the connected display.

What is the GPU set to?
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Old 30th January 2019, 00:01   #54494  |  Link
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YGPMOLE is asking about a friend who has an NV card, he uses AMD and doesnt have an issue, as i read it.
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Old 30th January 2019, 16:56   #54495  |  Link
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@mclingo You're right, maybe Warner306 miss the initial request.

However, he told me that the HDMI input are both in Deep Color mode, so for now neither this option solved the problem. I don't know if he also did a physical switch between the two cables, eventually I'll personally try next sunday, after that I'm going to try a format and a clean install. Thank you all!
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Old 30th January 2019, 20:34   #54496  |  Link
Manni
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Wow, everything seems to be working with 417.71 (although CRU is still needed). Even the Asio4All bug is gone, and REW can work without FlexAsio.

Let's hope they don't break anything soon!
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Last edited by Manni; 31st January 2019 at 00:15.
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Old 30th January 2019, 21:10   #54497  |  Link
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Originally Posted by Manni View Post
Wow, everything seems to be working with 471.71 (although CRU is still needed). Even the Asio4All bug is gone, and REW can work without FlexAsio.

Let's hope they don't break anything soon!
Is that an official endorsement? Will you be updating your sig line?
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Old 30th January 2019, 21:26   #54498  |  Link
Manni
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Is that an official endorsement? Will you be updating your sig line?
I need a bit more time to asses, but yes, that will happen if nothing comes up

Still have to check 3D.
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Old 31st January 2019, 00:14   #54499  |  Link
Manni
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So here is how 417.71 seems to be working for me after a bit more testing time:

- 12 minutes between frame drops in 3D (vs 3 minutes with 385.28)
- 12bits RGB Full with custom res (CRU), survives a reboot (as long as default refresh rate is 23p)
- Asio4all working with REW
- All seems good (but I'm ready to backtrack at any time)!
- Sig updated
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Old 31st January 2019, 09:19   #54500  |  Link
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Quote:
Originally Posted by Manni View Post
So here is how 417.71 seems to be working for me after a bit more testing time:

- 12 minutes between frame drops in 3D (vs 3 minutes with 385.28)
- 12bits RGB Full with custom res (CRU), survives a reboot (as long as default refresh rate is 23p)
- Asio4all working with REW
- All seems good (but I'm ready to backtrack at any time)!
- Sig updated
But HDR passthrough only activates under very specific conditions (must be windowed, can't be FSE, must be fullscreen, can't be windowed, must be D3D11, can't be D3D9, must be 10bit, can't be 8bit) which is bad, and HDR metadata is not properly passed through, as far as I can see.
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