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13th March 2019, 17:35 | #55321 | Link | |
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Quote:
Has anyone quality assessed 444 8bit vs 422 10/12bit , which is better visually Assssuming they got 10/12bit working of course. Is the extra chroma more worthwhile than the m0ar bits I understand ideally, we'd have displayport w/ 444-12
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13th March 2019, 17:47 | #55322 | Link |
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Frankly the bandwidth is only an issue with 60p content, so as I don't care about Billy Lynn I'd rather have 444 12bits for all my 23p content (99.99% of what I watch).
Unfortunately there is a bug with the JVCs, at 4K RGB 444 12bits the colorspace is forced internally to YCC422, even at 30p and below. This messes levels (when using video levels) as it requires PC levels to work, and possibly some bad things happen to chroma behind madVR's back. That's why I'm using 8bits at the moment (along with issues with calibration in 12bits). Hopefully they will fix this. Otherwise I'd rather use 444 12bits with all my 23p content and 444 8bits with 60p, given that the driver switches automatically, than limit all content to 422 and hobble madVR's chroma upscaling. I'm sure others will have other preferences, for good reasons All this will last until HDMI 2.1, but we'll probably have to wait a couple of years before we can upgrade the whole chain to that.
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Win11 Pro x64 b23H2 Ryzen 5950X@4.5Ghz 32Gb@3600 Zotac 3090 24Gb 551.33 madVR/LAV/jRiver/MyMovies/CMC Denon X8500HA>HD Fury VRRoom>TCL 55C805K Last edited by Manni; 13th March 2019 at 21:10. |
13th March 2019, 21:39 | #55323 | Link |
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Even when we get the ports, I bet they'll still screw up 10bit and we'll be stuck at 8..
hahahaha Btw, manni, how are you setting up dispcal 3DLut to work with the Madvr HDR tonemapping mode, Or are you using the SDR lut.
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13th March 2019, 22:36 | #55324 | Link |
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I tonemap HDR with pixel shaders and use an SDR DCI-P3 baseline in the projector with a 3D LUT for that (P3 gamut, 2.2 power gamma target). Works great.
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13th March 2019, 23:14 | #55325 | Link |
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Give me your shader files please.
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Optimal 4k settings for smoother image MadVR guide http://forum.doom9.net/showthread.php?t=176161 |
14th March 2019, 01:18 | #55326 | Link | |
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Quote:
is this through hcfr or dispcal
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14th March 2019, 16:44 | #55329 | Link |
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At the moment it's a lightning LUT (101 points) generated in under 10 minutes by Calman Ultimate, as the projector is very linear and I get near reference results like this. When I need more, I will compare what I get with a larger LUT in Calman and in Lightspace (I own both).
But DisplayCAL should give very good results. In fact it gave me better results than Lightspace using the same profile created with Lightspace when I had issues with my rs500. If DisplayCAL (well, Argyll) was able to support my BasiCColor Discus, I would happily use DisplayCAL to create my 3D LUTs. Florian definitely provides better support for madVR users than either of the other two companies. I don't know about HCFR, I haven't used it in a long time as I don't think it supports the Discus either.
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Win11 Pro x64 b23H2 Ryzen 5950X@4.5Ghz 32Gb@3600 Zotac 3090 24Gb 551.33 madVR/LAV/jRiver/MyMovies/CMC Denon X8500HA>HD Fury VRRoom>TCL 55C805K Last edited by Manni; 14th March 2019 at 16:46. |
14th March 2019, 18:03 | #55332 | Link |
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Introducing a new surface format doesn't really require anything. It could happen tomorrow. It would just need to be specified somewhere officially and implemented by the graphics drivers.
But since 12-bit content doesn't really exist, or game rendering would want it, its doubtful anyone cares.
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LAV Filters - open source ffmpeg based media splitter and decoders |
14th March 2019, 18:57 | #55334 | Link |
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For optimal results, DWM would probably need to learn about it, not sure how dynamic it can use GPU compositing functions.
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LAV Filters - open source ffmpeg based media splitter and decoders |
15th March 2019, 15:29 | #55336 | Link | |
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Quote:
https://imgur.com/a/v0xjNNB
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15th March 2019, 15:41 | #55337 | Link |
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Set 24Hz 12 bit in NCP. Then 60Hz 8 bit. When you play a 24Hz video, it will use 12 bit. If you use madVR to control refresh rates and resolution, it will auto switch desktop at 60Hz 8 bit and video at 24Hz 12 bit. Be aware the setting does not survive a reboot using any newer drivers. You have to reset it or use 385.28 which does retain the setting. 12 bit will most likely introduce banding and you are better off with 8 bit unless you have a rare true native 12 bit display. Most are 10 bit at best.
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HOW TO-Kodi 2D-3D-UHD (4k) HDR Guide Internal & External Players W11 Pro 24H2 GTX960-4GB RGB 4:4:4 @Matched Refresh Rates 8,10,12bit KODI 22 MPC-HC/BE 82" Q90R Denon S720W |
15th March 2019, 16:28 | #55338 | Link | |
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Quote:
Because if I select the nvidia default 23hz 4k, it will let me switch between 8 bit and 12 bit rgb full
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15th March 2019, 16:33 | #55339 | Link | |
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Quote:
Now what you actually get out of 12bit is another matter, but no banding that I can see on my setup.
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Tags |
direct compute, dithering, error diffusion, madvr, ngu, nnedi3, quality, renderer, scaling, uhd upscaling, upsampling |
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