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7th April 2020, 20:50 | #59021 | Link |
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Out of interest, how useful do you really think your comments are, do you really think you are contributing positively to this thread?
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8th April 2020, 04:11 | #59023 | Link | |
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Hello, Just in case it could help a dummy like me, the problem was that lav filter were using copyback. Even with gpu decode, the bus or cpu can't manage copyback for such framerate and resolution. I use MadvR through Jriver and I have some user exit that make possible for me to switch from built-in lav filter with copy back setting and an installed version using native dxva to play really high rate files. However, I'm wondering if there is some script that could change the lav setting dynamically? |
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8th April 2020, 08:14 | #59025 | Link | |
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LAV Filters - open source ffmpeg based media splitter and decoders |
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8th April 2020, 12:01 | #59026 | Link | |
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The first time I saw proper measurements about different scaling algos. Unfortunately only madVR NGU Very High was tested, not the much faster variants (High, Med, Low). It's indeed interesting to see that FSRCNNX is in the same ballpark as NGU algos. FSRCNNX-16-0-4-1 luma is about the same performance here as NGU Sharp High, while FSRCNNX-8-0-4-1 is way faster. Do you know how exactly (which tools) the actual measurements (PSNR, SSIM, IW-SSIM, PSNR-HMA, PSNR-HA) were created to be able to replicate them? I'd like to try it out here. And lastly, why was the whole github repo deleted? Edit: it was renamed then renamed again, it's here now
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Ryzen 5 2600,Asus Prime b450-Plus,16GB,MSI GTX 1060 Gaming X 6GB(v398.18),Win10 LTSC 1809,MPC-BEx64+LAV+MadVR,Yamaha RX-A870,LG OLED77G2(2160p@23/24/25/29/30/50/59/60Hz) | madvr config Last edited by chros; 4th May 2020 at 17:10. |
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8th April 2020, 19:11 | #59028 | Link | |
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Most of the metrics are implemented in Matlab, there are plenty to try: http://www.ponomarenko.info/psnrhma.htm |
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8th April 2020, 19:20 | #59029 | Link |
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hi guys,
if in Calibration I set disable calibration controls for this display, in Color & Gamma do I have to set enable gamma processing?
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8th April 2020, 19:25 | #59030 | Link |
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Gamma processing is only if you want to make adjustments, it is not part of calibration. You do not have to enable it, in fact I would not use it unless your screen's gamma is bad and you cannot fix it on the display itself.
Personally I would set your calibration to something, probably BT.709 - pure power 2.2, if disabled looks good for most content.
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madVR options explained |
8th April 2020, 22:35 | #59031 | Link | |
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And catch 22 is, if you are such a person, you probably have a colorimeter.
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9th April 2020, 01:04 | #59034 | Link | ||
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Although HDR can look pretty amazing, I kind of miss the "old" days before it came out. HDR has made the world of video quite a lot more complicated and uncertain! |
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9th April 2020, 03:25 | #59035 | Link | |
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Appreciate your answer and will definitely have a look how I could have broke this setting or why native isn't triggered, cause gpu is still used with copyback, right? |
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9th April 2020, 03:43 | #59036 | Link | |
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One thing for sure, using custom settings you can use native DXVA with MADVR, so it shouldn't be something to worry. As for tone mapping, I don't use it as I dynamically switch the windows desktop between HDR and SDR in function of the movie content. Anyway, I don't have enough knowledge to give you an answer. Didn't play with windows setting but desktop looks awful in HDR with default settings. Iris is fine as it supports HEVC and VP9 decoding. Intel Nuc is small and pretty, Jriver needs tweaking and some programing skill if you want to customize the behavior exactly like you want(at least for my version but I thing it's fine in the late version). Like the quality of my HTPC. Not sure I answered your question though! |
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9th April 2020, 09:02 | #59037 | Link | |
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It was added in MC24, the other explanation would be if you are on something earlier then that.
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LAV Filters - open source ffmpeg based media splitter and decoders |
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9th April 2020, 13:59 | #59038 | Link | |
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Since you are there, I got a video clip that is 4k HEVC (bitrate at 56312) that doesn't use gpu decoding. Using DXVAChecker, I got this: The file: https://mega.nz/#!7hUGxQwb!nZknEB5dQ...fH7iowG8gadYYg Normal behaviour? Once again, thanks for your time. Last edited by wasper; 9th April 2020 at 19:02. |
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9th April 2020, 17:57 | #59039 | Link | ||
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Thanks for your advice. I do not have a colorimeter or experience with images. I am aware that I cannot achieve perfection but thanks to your help I would like to obtain a satisfactory result. I set in "this display is already calibrated": - BT.709 and pure power curve 2.20. I disabled "enable gamma processing". I take this opportunity to ask you another doubt. I own a B9 OLED TV. After several tests I decided to use the conversion from HDR to SDR. Did I have a good idea? I use these settings: In "display peak luminance" I set 80. And in "dynamic target nits" : 50. Are values too low? Do I lose some details? For example, to obtain adequate brightness, I could increase the value of the "display peak luminance" and in "this display is already calibrated" increase the value of pure power curve from 2.20 to 2.40. What do you think? Thanks for your suggestions.
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Tags |
direct compute, dithering, error diffusion, madvr, ngu, nnedi3, quality, renderer, scaling, uhd upscaling, upsampling |
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