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17th June 2017, 22:23 | #44122 | Link |
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Doubt it's going to happen, you already have TV hardware solutions that offer good interpolation and SVP as well.
A mix of interpolation for frames that don't create any artifacts and blending the rest (Smoothmotion) might be interesting but a lot of work. |
18th June 2017, 00:04 | #44124 | Link |
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you are limited to 5/2 interpolation with our current 60 hz input screen. TVs don't have to do a 5/2 interpolation so they are so far ahead adding frame interpolation before that is just "limited" to say it friendly.
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18th June 2017, 03:06 | #44125 | Link | |
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Quote:
I'm not sure if doubling is forced on Lanczos/Spline/Jinc, etc. My GPU seems to be turning on 3D clocks more than it used to, but I updated GPU drivers and some settings at the same time as updating madVR, so I don't know if the GPU seemingly using more power is related to the updated madVR. I'm posting about this because upscaling kicks my GPU up, uses more power, creates more heat, creates more noise. Plenty of video I watch I don't "need" in best possible quality, which is why my everyday madVR setting uses Spline, not NGU. Less power, less heat, less noise. But forced upscaling counters that. In one of my computer rooms that lacks airflow, that might be the difference between having to turn on the room's noisy air-conditioning or not turning it on. And when turning on super-xbr or NGU, forced upscaling might mean having to turn off some Image Enhancements which might be preferred at the time. Though from what I can tell and remember, newer madVR versions have made great strides in lowering power usage compared to older versions. As I said, even without doubling/upscaling, madVR still looks better than other renderers. But madVR uses more power than other renderers, though not much on lower settings, so it'd be a shame if madVR had its minimum power usage forced even higher which might cause some people to go back to other renderers unless wanting to use more power with forced doubling, etc. I know you're always trying to simplify madVR, but I figured I'd post this to give a voice to power usage and heat and how more people than expected may be juggling settings to get the best power/quality ratio and not simply trying to get the best picture at any cost. Power is less of a concern with newer, more efficient video cards, but it's still a concern. edit: of course a lot of the "upscaling" words above I meant "doubling." Last edited by Dclose; 18th June 2017 at 07:34. |
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18th June 2017, 03:11 | #44126 | Link | |
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Quote:
I've never been much of a Jinc fan, and it uses more power too. Last edited by Dclose; 18th June 2017 at 03:14. |
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18th June 2017, 06:06 | #44127 | Link |
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madVR is not always "doubling" a algorithm that can only do doubling is well doubling.
if you are using spline "nothing" really changed since 2016 it is working exactly like before and the GPU load should be the same. |
19th June 2017, 11:45 | #44130 | Link |
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Thank you for your help regarding my 3000x2000 device, finally the best optimized solution is the native windows 10 player. I can read 1080p and even 4K HEVC content with no visible frame drop, it is smooth enough for a 13.5" display. Even if I would have appreciated a bit more of sharpness, that'll be far enough for my needs. By the way, I also tried using the basic shaders of MPC-HC with no luck.
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I7 2600K@4.4 / GTX1080 / ACER M550 (DLP 4K) / Catleap (IPS 1440p) / Onkyo SE200 Sound card |
19th June 2017, 13:49 | #44131 | Link |
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Bumping this one - I don't even know where to start. I use best image quality settings for 1080p content playback, but have no idea which ones to try for 4K content. I assume any type of Chroma, Luma, Image, and any other type of upscaling should be set to bilinear or somehow turned off? I assume that since the image is already upscaled and just needs to be downscaled from 4K to 1080p?
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19th June 2017, 13:57 | #44132 | Link |
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Chroma is normally first upscaled to match luma resolution. Then both are downscaled.
The chroma scaling can be skipped. With "trade quality for performance" setting "scale chroma separately if it saves performance". Then you only need to adjust image downscaling. Image upscaling isn't used in your case. |
19th June 2017, 15:40 | #44133 | Link | |
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Thank you for helping me out! EDIT: Even Bilinear image downscaling results in massive dropped frames... Could someone with similar specs share the settings they use to play 4K content on their 1080p displays??? EDIT 2: DXVA2 downscaling works! Last edited by XMonarchY; 19th June 2017 at 15:47. |
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20th June 2017, 00:41 | #44135 | Link |
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I'm a long time user of madVR but I haven't kept up with these newer advanced scaling algorithms as my HTPC isn't the best, and I haven't updated madVR in a while. I have been using jinc+AR for image upscaling/chroma for years and previously used Catmull+LL+AR for downscaling. I finally updated madVR because I reinstalled Windows on my HTPC and noticed Catmull was gone, so I decided to look into all the new scaling options to see what's best and test what the best scalers my slower rig can handle (Radeon 7750 1GB GDDR5 & Celeron G1620).
I mostly view 720p/1080p film sources that are fairly clean on my 1080p plasma. I tried my best to read through the thread to get answers and settled on these settings: Chroma - NGU AA Low (edit: switched to super-xbr 100, NGU AA Low was a bit too much for my GPU) Image upscaling - NGU AA Low Image Downscaling - Bicubic 150 + AR (edit: switched back to bicubic50/catmull) (under 'trade quality for performance') don't use linear light for dithering is unchecked Smooth motion enabled when needed Render times for the videos I tested never exceeded 28 or 29ms. Few questions: 1) Is there anything you guys would suggest changing? 2) Previously it was recommended to scale using linear light when downscaling with Catmull. Is it still recommended to check this box with Cubic 150? 3) Should I keep 'don't use linear light for dithering' checked if that means I can afford to use higher settings for image/chroma scaling? Last edited by rahzel; 20th June 2017 at 06:42. |
20th June 2017, 02:06 | #44136 | Link |
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1. i personally think bicubic 150 is terrible. it can create very ugly motion artifacts. cat rom mull is still in madVR it's bicubic 50 they are the same.
2. depends on the scaler. i still think it is good on bicubic 50. 3. i can't notice a performance difference. |
20th June 2017, 02:35 | #44137 | Link | |
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Quote:
Note that I changed the chroma scaler to super xbr 100... NGU low was a bit too much for my GPU to handle. Last edited by rahzel; 20th June 2017 at 07:35. |
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20th June 2017, 08:39 | #44139 | Link | |
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Quote:
It's probably a personal preference thing, and probably depends on the type of content you're watching too. FWIW, I used Jinc+AR before and had no complaints. I read a lot of posts where people liked NGU for chroma, but it's a little too much for my weaker GPU. And I can't seem to find any posts comparing Jinc and super xbr for chroma. |
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Tags |
direct compute, dithering, error diffusion, madvr, ngu, nnedi3, quality, renderer, scaling, uhd upscaling, upsampling |
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