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Old 8th April 2017, 00:03   #43261  |  Link
imhh11
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So can we expect an update for metadata passthrough and auto switching to HDR/SDR like it does with 3D/2D ?
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Old 8th April 2017, 10:47   #43262  |  Link
tingtong5
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Hi all,

I want to downscale HEVC 4K UHD content to 1080p with madvr, however the ony way to get acceptable frame render times is to set image downscaling to DXVA2. The madvr algoritmes all give me render times above 40 or 50 ms. My GPU is a GTX1070 so I assume it can do better then this.

My display is a JVC X5000 projector which has native 1080P panel resolution but accepts 4K input (e-shift technology).

Any idea on how to troubleshoot/fix this?

Ronald
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Old 8th April 2017, 11:00   #43263  |  Link
Budtz
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Originally Posted by sneaker_ger View Post
GTX 1060 should be fine. Update LAV + madvr to latest versions and reset the settings. Set LAV Video to use DXVA2 (copy-back) and tick the "(UHD) 4K" and "HEVC" checkboxes. In madvr settings go "devices">[your display]>"hdr" and set display nits until it fits your screen. Video is HEVC, right? If it doesn't look right post a sample. Maybe the file is broken or something.

thx I tried that but i couldnt get get it to be smoth. i got it to work with mpcbe in windowed mode. full screeen still dint work. yup its hevc
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Last edited by Budtz; 8th April 2017 at 11:12.
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Old 8th April 2017, 11:14   #43264  |  Link
huhn
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Quote:
Originally Posted by tingtong5 View Post
Hi all,

I want to downscale HEVC 4K UHD content to 1080p with madvr, however the ony way to get acceptable frame render times is to set image downscaling to DXVA2. The madvr algoritmes all give me render times above 40 or 50 ms. My GPU is a GTX1070 so I assume it can do better then this.

My display is a JVC X5000 projector which has native 1080P panel resolution but accepts 4K input (e-shift technology).

Any idea on how to troubleshoot/fix this?

Ronald
change the GPU power setting to adaptive in nvidia control panel.
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Old 8th April 2017, 20:13   #43265  |  Link
Cinemancave
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Originally Posted by tingtong5 View Post
Hi all,

I want to downscale HEVC 4K UHD content to 1080p with madvr, however the ony way to get acceptable frame render times is to set image downscaling to DXVA2. The madvr algoritmes all give me render times above 40 or 50 ms. My GPU is a GTX1070 so I assume it can do better then this.

My display is a JVC X5000 projector which has native 1080P panel resolution but accepts 4K input (e-shift technology).

Any idea on how to troubleshoot/fix this?

Ronald
Why downscale when you can send the 4K content as is and make use of the JVC's 4K e-shift? You will get a perceptually higher resolution and better image quality that way.
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Old 9th April 2017, 00:32   #43266  |  Link
tingtong5
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Originally Posted by huhn View Post
change the GPU power setting to adaptive in nvidia control panel.
Thanks, I've done so now, did not make any difference though.
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Old 9th April 2017, 00:38   #43267  |  Link
tingtong5
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Originally Posted by Cinemancave View Post
Why downscale when you can send the 4K content as is and make use of the JVC's 4K e-shift? You will get a perceptually higher resolution and better image quality that way.
Well the thing is that I disagree (perceptually not in theory ;-) ). I find 1080P output looking better then 4K, it make the image a bit noisy and jittery in my opinion. Besides that, every time a file won't play (not that this happens a lot), windows changes video settings back to 1080p each time which is very very annoying.

Anyway, I found a 4k -> 1080p downscaling configuration now that works:
chroma: superxbr 125 + superres 1
image downscaling: SSIM 1D 100%

Quite happy with the result :-)
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Old 9th April 2017, 00:50   #43268  |  Link
Oguignant
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Gtx 1080 ti vs gtx 1080 g1 gaming

Hi. Someone who has a gtx 1080 Ti? I have a gtx 1080 g1 gaming. I'm thinking of changing it. The render times are much better?
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Old 9th April 2017, 01:42   #43269  |  Link
kalston
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Hi. Someone who has a gtx 1080 Ti? I have a gtx 1080 g1 gaming. I'm thinking of changing it. The render times are much better?
Well it's like the Titan X, so about 30% faster than your 1080. Yes that translates to render times in madVR too when you use intensive stuff like NNEDI, NGU very high etc. Is 30% enough of an improvement for you considering the price? That's the question.
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Old 9th April 2017, 01:53   #43270  |  Link
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Originally Posted by kalston View Post
Well it's like the Titan X, so about 30% faster than your 1080. Yes that translates to render times in madVR too when you use intensive stuff like NNEDI, NGU very high etc. Is 30% enough of an improvement for you considering the price? That's the question.
My render times with NGU Sharp very high are 26-28-34ms (depending on the film). doing upscaling from 2k to 4k. I do not know what I would gain by lowering the times.
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Old 9th April 2017, 02:10   #43271  |  Link
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My render times with NGU Sharp very high are 26-28-34ms (depending on the film). doing upscaling from 2k to 4k. I do not know what I would gain by lowering the times.
render times depend on the content you are watching. if you want to watch something at 1080p with 60fps, afaik you need render times lower than 16.66ms then to avoid frame drops
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Old 9th April 2017, 02:21   #43272  |  Link
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render times depend on the content you are watching. if you want to watch something at 1080p with 60fps, afaik you need render times lower than 16.66ms then to avoid frame drops
Yes, but I always watch movies on 23 or 24hz. So less than 41ms is fine for me. And I never have dropped frames using gnu sharp very high or nnedi128.
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Last edited by Oguignant; 9th April 2017 at 02:23.
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Old 9th April 2017, 02:50   #43273  |  Link
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Then you shouldn't waste money on a 1080 ti
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Old 9th April 2017, 18:14   #43274  |  Link
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Reclock (any version) seems very broken with creators update. Opening files madvr reports clock deviation all over the place. From -2% to +9% completley regardles of reclock settings. Audio and video is stuttering. any1 else have problems?
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Old 9th April 2017, 19:55   #43275  |  Link
Q-the-STORM
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Reclock (any version) seems very broken with creators update. Opening files madvr reports clock deviation all over the place. From -2% to +9% completley regardles of reclock settings. Audio and video is stuttering. any1 else have problems?
I installed the update yesterday.

Just opened a 25fps file and activated slowdown to 23.976fps on a 23.976Hz display (23.97564Hz to be exact).

Clock deviation remains rock solid at -4.09591% reporting one frame drop every 40 minutes.

Don't see or hear any stuttering, also no drops reported.
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Old 9th April 2017, 20:30   #43276  |  Link
har3inger
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Quote:
Originally Posted by tingtong5 View Post
Hi all,

I want to downscale HEVC 4K UHD content to 1080p with madvr, however the ony way to get acceptable frame render times is to set image downscaling to DXVA2. The madvr algoritmes all give me render times above 40 or 50 ms. My GPU is a GTX1070 so I assume it can do better then this.

My display is a JVC X5000 projector which has native 1080P panel resolution but accepts 4K input (e-shift technology).

Any idea on how to troubleshoot/fix this?

Ronald
Go to trade quality/performance options, and check "scale chroma separately if it saves performance" since chroma is already at 1080p resolution. Alternatively, don't use anything harder than bicubic AR for chroma upscaling.

My laptop GPU can handle 4k (well, in film ratio and not a full 16:9 picture)->1080p scaling with SSIM1D if I don't use chroma scaling at all. Your 1070 should have absolutely no issues, even with something like SSIM2D with antibloat.

Last edited by har3inger; 9th April 2017 at 20:32.
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Old 10th April 2017, 00:42   #43277  |  Link
nuhi
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3DLut edge issue

Hi,
can someone please point me in the right direction of solving the attached issue with 3DLut?
The problem is when I use 3DLut generated by Calman and madvr, in madvr, I get these weird white edges.
Turning off the calibration solves it instantly.
Is the TV, madvr, meter (i1 Pro 2) or a Calman setting?

I don't know how to debug the actual 3DLut on anything other than madvr, so I'm asking as I wasted so many hours recalibrating.
At first I thought it's the black level setting (static vs measured), but last time it failed with it set to measured as well.

Thanks.
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Old 10th April 2017, 10:01   #43278  |  Link
XMonarchY
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Originally Posted by Budtz View Post
Reclock (any version) seems very broken with creators update. Opening files madvr reports clock deviation all over the place. From -2% to +9% completley regardles of reclock settings. Audio and video is stuttering. any1 else have problems?
I had the same thing happen to me. I fixed it by using 24Hz instead of 23.970Hz - my TV can do both and each is a separate entry. I just left 1080p24 in madVR as the setting forthe lowest possible refresh rate.
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Old 10th April 2017, 13:06   #43279  |  Link
HillieSan
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Originally Posted by tingtong5 View Post
Well the thing is that I disagree (perceptually not in theory ;-) ). I find 1080P output looking better then 4K, it make the image a bit noisy and jittery in my opinion. Besides that, every time a file won't play (not that this happens a lot), windows changes video settings back to 1080p each time which is very very annoying.

Anyway, I found a 4k -> 1080p downscaling configuration now that works:
chroma: superxbr 125 + superres 1
image downscaling: SSIM 1D 100%

Quite happy with the result :-)
I love the 4K output with 4K input.
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Old 10th April 2017, 14:14   #43280  |  Link
MrKaon
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4K HDR on 1080p monitor

Set MPC-HC with madVR and LAV filters according to this guide . (Skiped the Haali part)
Finally I was been able to play 4K HDR on my 1080p monitor without washed up colours.
It will do it for me till I buy 4K HDR TV or monitor.
Thanks
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