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8th February 2019, 15:51 | #54621 | Link | |
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My 2.4 luts are always darker Also, is there a lut switcher of sorts in madvr that can cycle the luts in a folder ?
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8th February 2019, 16:04 | #54622 | Link | |
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with HDR->SDR madVR trys to archive a gamma of 2.2 and at that gamma the brightness matches PQ brightness. so if you now set your display is calibrated to 2.4 it will lower the gamma so the image looks brighter and is effect gamma 2.2.
with a target 2.4 3D LUT it doesn't do that because it doesn't known the 3D LUT gamma so the image is darker in comparison and mathematically wrong. this should not be confused with color and gamma setting which work different and again don't work properly with a 3D LUT. Quote:
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8th February 2019, 17:44 | #54623 | Link |
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Good news: it looks like 418.81 fixes the levels issues that I had with the JVCs in 12bits. So now you can get the correct levels with NCP set to 4K23 12bits RGB Full and MadVR set to video levels (16-235) with the projector set to standard HDMI.
That means that there is officially no reason to stay with 385.28, at least here. Using CRU, custom refresh survive a reboot (as long as 23p is your default rate, not 60p). Great to have custom refresh rates, correct levels and optimized 3D with the same drivers, with Asio4all support as well. Still not an option for those who need HDMI passthrough for HDR, as the metadata is still not correct sadly. But if you use pixer shader tonemapping as I do, 418.81 seem to work great. I just hope that it will be the same with my new RS2000 (arriving next week) and that ideally the 8bits magenta bug will be gone on the new models. I'll report back when I've been able to test.
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8th February 2019, 17:57 | #54624 | Link |
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I need to be clear on one point here. This is true if you are converting to SDR. if you are outputting to HDR then a higher target nit value would correspond to a brighter image. Yes, this can be somewhat confusing to wrap your head around in the beginning but it does make sense. Making it "too bright" definitely can cause unwanted issues, yes.
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8th February 2019, 19:00 | #54625 | Link | |
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8th February 2019, 22:27 | #54626 | Link | |
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I use HDMI bitstream for movie audio playback.
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8th February 2019, 23:39 | #54627 | Link |
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It's great to see nVidia is addressing issues for JVC PJ users using madVR. In the mean time, for three driver series dating back to last year, they still fail to engage HDR mode because they can't even passthrough. I installed 418.81 a few days ago. It failed as miserable as the previous dozen or so.
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9th February 2019, 07:49 | #54628 | Link |
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@Manni
Does other apps like HDR 3D games also send wrong metadata or it's only related to madVR?
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9th February 2019, 13:55 | #54629 | Link | |
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HOW TO - Set up madVR for Kodi DSPlayer & External Media Players |
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9th February 2019, 13:58 | #54630 | Link |
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No idea, I haven't tested and don't have any HDR games.
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9th February 2019, 15:31 | #54633 | Link | |
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Room EQ Wizard https://www.roomeqwizard.com/
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nVidia is sending metadata, it's just not the correct one. the only way to know is to know what should be sent in passthrough mode.
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9th February 2019, 16:11 | #54635 | Link |
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Tomb Raider internally reaches max 1500 nits, while RE2 4000 nits, so those values should be somehow reflected in metadata. If you gonna get the same values as with madVR, than metadata is fake.
That said this is purely to satisfy mine and sat4all's curiosity, so don't bother with this if you have better things to do. |
9th February 2019, 16:21 | #54636 | Link | |
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The color graders don't have the right equipment. We don't have the right equipment. Neither parties have the right equipment to view the standard..
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9th February 2019, 22:06 | #54639 | Link | |
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I think others have more success by inputing the numbers madVR gives into CRU, I never had much success with that, but lots of others did. |
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9th February 2019, 22:11 | #54640 | Link |
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Can anyone recomend me good settings for madVR can't seem to find some good settings most of what I have found is for older versions and with some video stutters
I have gtx 980ti i7 5930k and watching on 1440p screen mostly 1080p content sometimes 4k if that helps Thanks |
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direct compute, dithering, error diffusion, madvr, ngu, nnedi3, quality, renderer, scaling, uhd upscaling, upsampling |
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