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Old 13th April 2019, 04:22   #55721  |  Link
tp4tissue
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Is using a p3 , 3dlut the correct operation if the monitor is in wide gamut ?

Does it do some sort of conversion from rec2020 container.

How is madvr handling the conversion between different spaces. is it via colormetric/ relative etc
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Old 13th April 2019, 04:39   #55722  |  Link
huhn
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if you load a source DCI p3 3d LUT madVR wil convert the image to DCI p3 first and that the end of madVR works.

with HDR it depends on a lot of settings and nothing you have to thing about.
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Old 13th April 2019, 04:55   #55723  |  Link
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I don't think that madVR does any color space conversion in that case, so the source profile for the 3DLUT should be 2020 and the target P3. Selecting P3 in "this display is already calibrated" should be more correct though.
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Old 13th April 2019, 05:04   #55724  |  Link
huhn
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madVR can't beat a 3D LUT in gamut mapping. doing the same in real-time is simply not possible.

so a BT 2020 -> DCI P3 3dLUT should be more accurate then the intenral workings but on the other hand the HDR mapping can be different when madVR does gamut mapping.
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Old 13th April 2019, 05:20   #55725  |  Link
Alexkral
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You said it, for the 3DLUT to do the gamut mapping it has to be loaded in the HDR tab. Loading it in the calibration tab there is no gamut mapping neither by the 3DLUT nor by madVR.
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Old 13th April 2019, 05:38   #55726  |  Link
huhn
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tone mapping is not gamut mapping.

gamut mapping is done by sdr 3d LUT when the gamut doesn't match.
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Old 13th April 2019, 06:16   #55727  |  Link
Alexkral
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Maybe I'm wrong but I do not think so. Gamut mapping implies taking the luminance into account, so that the result doesn't end out of gamut. I think that applying a 3DLUT to the output of the tone mapping shader could result in out of gamut values.
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Old 13th April 2019, 06:36   #55728  |  Link
huhn
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HDR-SDR conversation creates a normal SDR image so nothing changes for the 3D LUT.
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Old 13th April 2019, 06:57   #55729  |  Link
tp4tissue
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@ Alexkral

The 3DLUT definitely changes the image if applied. including for HDR 2 SDR.

It does not have to be in the HDR tonemapping tab. It works in the regular 3DLUT SDR calibration Tab.


I would never ever watch a movie without a 3DLUT. night and day.

It's like that episode of Rick and Morty when Morty experiences True-Level.. You can not go on without 3Dlut, everything's crooked.

https://imgur.com/LRgMGeP
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Last edited by tp4tissue; 13th April 2019 at 07:27.
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Old 13th April 2019, 08:25   #55730  |  Link
DMU
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Quote:
Originally Posted by If6was9 View Post
Of course, with EDID1
I think this is not what is needed. Your projector does not receive meta, you simply force HDR mode.
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Old 13th April 2019, 12:59   #55731  |  Link
ka
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Hey guys I have 1080Ti and 7700k with AIO. My temps are at least 70-80 celcius while playing on 1440p resolution (144Hz with SVP) with 1080p Remux. It is too high same with when playing Battlefield V. Using Bicubic75-Ar-CUVID.
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Old 13th April 2019, 14:44   #55732  |  Link
tp4tissue
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Quote:
Originally Posted by ka View Post
Hey guys I have 1080Ti and 7700k with AIO. My temps are at least 70-80 celcius while playing on 1440p resolution (144Hz with SVP) with 1080p Remux. It is too high same with when playing Battlefield V. Using Bicubic75-Ar-CUVID.
Assuming the paste is fine, it comes down to fan curve.

Set it higher manually. If it doesn't respond to higher fan, then you need to repaste.
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Old 13th April 2019, 15:59   #55733  |  Link
el Filou
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Why would 70-80 be too high?
My 1050 Ti is rated for 83°. What's the rated temp. of a 1080 Ti?
Your card will be obsolete long before the GPU dies from heat.
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Old 13th April 2019, 16:33   #55734  |  Link
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@CLSID
Optimized NVIDIA profile for MPC-HC/BE

Last edited by aduwind; 13th April 2019 at 16:40.
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Old 13th April 2019, 17:58   #55735  |  Link
ka
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Quote:
Originally Posted by tp4tissue View Post
Assuming the paste is fine, it comes down to fan curve.

Set it higher manually. If it doesn't respond to higher fan, then you need to repaste.
Actually my point is decreasing the load on both GPU and CPU because I dont want to hear fan noise, I want Madvr not to use to the very end.
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Old 13th April 2019, 21:34   #55736  |  Link
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To be blunt the only way I can see you achieving what you want is to drop SVP and use Smooth Motion instead, you may also need to lower a few madvr settings to assist further (trade quality for performance etc)
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Old 15th April 2019, 11:03   #55737  |  Link
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I have been trying to get the settings correct to tone map with Mad VR and my JVC X7500. I just want to be sure the settings I have are correct.


I have MAD VR and Nvidia settings at 0 - 255 and LAV on 16-235. Is this correct?


I have my JVC on Gamma 2.2, colour profile BT2020, colour temp HDR 6500k.


Nvidia settings are 12bit, RGB, with the latest drivers.


I have MAD VR calibration on DCI-P3 and Gamma Power Curve 2.4. I am not using any LUT files (I don't know how)


I have had my projector professionally calibrated for SDR and HDR, but since then have discovered MAD VR tone mapping.

The only issue I have come across is in the latest Mission Impossible in 4K, I got horizontal banding on the iMAX scenes towards the end. This happened in the sky mainly.


When looking at the MPC status, it says D3D11 Fullscreen Windowed (8 bit) should that not be 10 bit? Or is there anything else wrong with these settings?

I just want to make sure I am maximising the capability of my system.

https://drive.google.com/open?id=1qs...1mRxgP_DIiUPr8

https://drive.google.com/open?id=1nP...VniHRNGUZIxoWj

https://drive.google.com/open?id=1xd...ojZq4mMOdPYQPE

https://drive.google.com/open?id=1Gw...8wDfs8JDfTrwDz

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Last edited by NM20; 15th April 2019 at 19:52.
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Old 15th April 2019, 13:12   #55738  |  Link
Warner306
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You could improve a couple of things:

- Set the projector gamma to 2.20 to match madVR.
- Select BT.2020 in madVR, or DCI-P3 with report BT.2020 to display checked. I've read that JVC projectors need a BT.2020 flag to select the correct color profile.

Did you select 10-bits in madVR? If you aren't getting 10-bits in the OSD, try enabling fullscreen exclusive mode. The video output levels checkboxes in LAV Filters aren't relevant, so I wouldn't worry about them.

The link in my signature has more information on tone mapping. The links "HDR -> SDR: Toolkit" and "HDR -> SDR Instructions: Mapping wide color gamuts" are most relevant.
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Old 15th April 2019, 14:31   #55739  |  Link
SirMaster
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Does anyone know if madVR tone-mapping handles HDR10+? Or should I avoid it and just stick with HDR10 for now. Would there even be a benefit to HDR10+ metadata over HDR10 for madVR's test builds with dynamic tone-mapping?
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Old 15th April 2019, 16:36   #55740  |  Link
Klaus1189
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Quote:
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[ATTACHMENTS]
Upload on external hoster such as Google drive or similar, other users like me cannot view them now, these are still pending.
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