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Old 23rd December 2017, 09:09   #47921  |  Link
x7007
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Originally Posted by huhn View Post
nvidia HDR is broken with current driver 390.x is suppose to fix that issue.
I can only say Hallllloiaa
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Old 23rd December 2017, 09:16   #47922  |  Link
madshi
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"Current driver 390.x"? I don't see 390.x drivers on Nvidia's homepage. If you got them from somewhere, it might not be the official 390 release yet?
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Old 23rd December 2017, 09:51   #47923  |  Link
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Quote:
Originally Posted by huhn View Post
nvidia HDR is broken with current driver 390.x is suppose to fix that issue.
I think what huhn wants to say is "Nvidia HDR is broken with current driver, 390.x (future version) is supposed to fix that issue."
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Old 23rd December 2017, 10:42   #47924  |  Link
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You're right, I misinterpreted.
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Old 23rd December 2017, 11:11   #47925  |  Link
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https://www.youtube.com/watch?v=31Tl...=youtu.be&t=67

one day i will learn it too
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Old 23rd December 2017, 12:02   #47926  |  Link
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Originally Posted by SamuriHL View Post
Well I tried my hand at down scaling uhd to 1080p today.
If you're downscaling to 50% or less you could try enabling the "scale chroma separately, if it saves performance" option in the "trade quality for performance" tab. That will make it just use the chroma data as-is and only downscale the luma channels (instead of first upscaling chroma, then downscaling everything together). The result might be slightly worse overall but I doubt it will make much difference, and it should be much faster.
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Old 23rd December 2017, 14:12   #47927  |  Link
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Originally Posted by Ver Greeneyes View Post
If you're downscaling to 50% or less you could try enabling the "scale chroma separately, if it saves performance" option in the "trade quality for performance" tab. That will make it just use the chroma data as-is and only downscale the luma channels (instead of first upscaling chroma, then downscaling everything together). The result might be slightly worse overall but I doubt it will make much difference, and it should be much faster.
Thanks I'll add that to the list for when I get back to testing later today.

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Old 23rd December 2017, 14:30   #47928  |  Link
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@SamuriHL With my 1050 Ti @ 1920x1080, I use Lanczos 4-tap for 24-30 fps UHD, and Bicubic 150 for 50/60 fps.
I concur with Ver Greeneyes: enable "scale chroma separately", you'll gain much more by being able to use a higher quality luma downscaling than by upscaling then downscaling chroma.
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Old 23rd December 2017, 16:20   #47929  |  Link
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Will definitely try it out. I've only got one disc I can play with right now and it has read errors (gotta love UHD) but I am able to play it directly from the disc. It's not super critical for me to get this working...more an academic thing as I'm still on a 1080p plasma. But it's fun to see what can be done with these things. Getting it stable would be nuts LOL
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Old 23rd December 2017, 16:40   #47930  |  Link
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4K HDR converted and scaled by madVR on my GT60 set at maximum brightness is still pretty amazing.
I plan to keep enjoying my plasma at least until OLEDs that can do 2160/12-bit/120 Hz/RGB on HDMI 2.1 are released
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Old 23rd December 2017, 16:49   #47931  |  Link
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I've been wanting to wait, myself, for various reasons but I may have screwed myself on this deal. Because I have a large library of 3D blu-rays, and actually enjoy the experience, moving to 4K is problematic at best. A 2016 LG OLED would work, but, as you mention, HDMI 2.1 would be highly useful. ARGH! LOL Not sure what my ultimate solution will be but right now I have no money for anything so it's all going to have to wait.

The quality I got off the UHD disc was pretty good even compared to the native blu-ray. It just kept dropping frames so I'm going to play around with the settings and see what it looks like once I get it stable. That'll probably be this afternoon when I get to that.
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Old 23rd December 2017, 17:53   #47932  |  Link
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I was wrong on my rendering times. Even with the tweaks suggested I'm getting 50-60ms and it's dropping frames like a klutz. I'm not sure I'll get this stable on that machine. I'm honestly not sure why either. I went down to bicubic150 even though it's a 23fps movie. I'm going to keep messing with it but I don't think my machine likes this very much. LOL

EDIT:

Ok, moron, RCA and anti-ringing is probably NOT helpful to rendering times on downscaling! LMAO! I'm down into the 20's now that I turned that off. I've got NGU AA medium for chroma and lanczos4 for LUMA. Working MUCHHHHHHHHHH better now LMAO!

EDIT2:

There we go. Rendering down to average 15 or so. Turned error diffusion 2 back on, set luma to jinc. Looks damn good, too! Very nice!
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Old 23rd December 2017, 18:15   #47933  |  Link
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Originally Posted by el Filou View Post
4K HDR converted and scaled by madVR on my GT60 set at maximum brightness is still pretty amazing.
I plan to keep enjoying my plasma at least until OLEDs that can do 2160/12-bit/120 Hz/RGB on HDMI 2.1 are released
I dont think OLEDs have much lifespam left, they gonna be overtaken with micro LED. Aparently Samsung is gonna show a 150 inch one at CES in a few weeks.
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Old 23rd December 2017, 18:20   #47934  |  Link
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I dont think OLEDs have much lifespam left, they gonna be overtaken with micro LED. Aparently Samsung is gonna show a 150 inch one at CES in a few weeks.
Fascinating. That's something I need to look into then. I was under the impression OLED rivaled my plasma screen.
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Old 23rd December 2017, 19:44   #47935  |  Link
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Originally Posted by SamuriHL View Post
RCA and anti-ringing is probably NOT helpful to rendering times on downscaling!
RCA is very hard on 4K. To use even medium quality with 4K (streaming 4K needs it) I have to turn almost everything else down with an overclocked Titan X (Pascal).

Still, it is worth it since Jinc chroma upscaling is fine and YouTube content does not have fine chroma details anyway.
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Old 23rd December 2017, 20:24   #47936  |  Link
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Originally Posted by Asmodian View Post
RCA is very hard on 4K. To use even medium quality with 4K (streaming 4K needs it) I have to turn almost everything else down with an overclocked Titan X (Pascal).

Still, it is worth it since Jinc chroma upscaling is fine and YouTube content does not have fine chroma details anyway.
Yea that was nuts. I need a faster machine for sure. I just don't have the money to build it right now. When I got the 1060 I hadn't really considered up/down scaling 4K content as I'm still on a 1080p plasma. But it's interesting nonetheless. Guess we'll have to wait til better hardware is out before we can crank things up for 4K. LOL
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Old 24th December 2017, 01:49   #47937  |  Link
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Fascinating. That's something I need to look into then. I was under the impression OLED rivaled my plasma screen.
It doesn't rival it, it surpasses it in every possible area. OLED will improve and isn't going anywhere. Micro LED is still LED technology and has the same limitations. Not applicable to MadVR.
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Old 24th December 2017, 14:31   #47938  |  Link
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after 5 more pc hangs in two days i'm going to give my nvidia 1050 one more go, is the 385.28 version the latest driver where everything works ok?, wont be gaming so not interested in any gaming based issues.
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Old 24th December 2017, 14:52   #47939  |  Link
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hi, those with nvidia card getting hours between frame drops / repeats, can you tell me exactly what I'm doing wrong or point me to full instructions how to setup MADVR with NVIDIA card. I've set custom res in MADVR and it seems to make no difference at all.

see attached screen dump of CONTROL-J
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Old 24th December 2017, 15:03   #47940  |  Link
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think i've got it, i changed my horizontal timing in MADVR to 1276 and I now have near perfect 23,976 ! - now to test 3D MVC

whats the best rendering I can expect for an NVIDIA 1050 (non ti version) - same as my RX550 or can I push it further?
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