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Old 7th January 2020, 15:49   #58321  |  Link
Klaus1189
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The downloads links were all removed from here:
https://forum.kodi.tv/showthread.php?tid=345566

I downloaded 3.0.1 and again it doesn't work. Video plays, but no HDR in OSD of TV and very greyisch. I don't know what I am doing wrong.

Last edited by Klaus1189; 7th January 2020 at 15:58.
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Old 7th January 2020, 16:25   #58322  |  Link
oldpainlesskodi
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Sorry guys for starting something offtopic.

Klaus1189 - you want the windows api version, which is here: https://forum.kodi.tv/showthread.php?tid=349861

Suggest any further support question should be on that thread.
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Old 7th January 2020, 18:36   #58323  |  Link
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Setting custom resolutions just isn't working for me. It allows me to adjust timings, I pick one that is highly compatible that says it will repeat a frame once a day or once every 6 hours or so, but when I select it i'm still repeating frames every 4 minutes.
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Old 7th January 2020, 18:53   #58324  |  Link
chros
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Quote:
Originally Posted by tyguy View Post
Setting custom resolutions just isn't working for me. It allows me to adjust timings, I pick one that is highly compatible that says it will repeat a frame once a day or once every 6 hours or so, but when I select it i'm still repeating frames every 4 minutes.
Where do you select it: nvidia control panel or in Windows? Do you use CRU as well?
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Old 7th January 2020, 19:44   #58325  |  Link
Atak_Snajpera
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Has default tonemapper been tweaked/replaced? New version is noticeable different in terms of saturation
Older MadVR (sorry I do not remember version number)


Latest MadVR 0.92.17
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Old 7th January 2020, 19:56   #58326  |  Link
el Filou
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From changelog:
Code:
madVR v0.92.17:
* small HDR tone mapping saturation improvement

madVR v0.92.15:
* HDR: improved overall tone mapping quality
* HDR: added trade quality option "compromise on tone & gamut mapping accuracy"
There have also been a lot of changes in the HDR test builds from the AVS Forum projector thread (still a work in progress)
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Old 7th January 2020, 20:13   #58327  |  Link
Atak_Snajpera
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Does not look like tone mapping saturation improvement to me But Who am I to judge...

Update: Unchecking option "compromise on tone & gamut mapping accuracy" fixes this issue. Old good tonemapping is back

Last edited by Atak_Snajpera; 7th January 2020 at 20:20.
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Old 7th January 2020, 20:56   #58328  |  Link
el Filou
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Yes, ideally that shouldn't be checked by default imho as it's quite detrimental to quality and you're not the first person to notice it, but otoh tone mapping needs quite a lot of processing power and I suspect madshi did that so madVR runs OK with default settings even on really low-end (i.e. iGPU) hardware.
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Old 7th January 2020, 22:15   #58329  |  Link
Atak_Snajpera
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I do not think that tonemapping itself is very demanding on GPU. IT works fine on ultra low end geforce gt 710
4k image scaling is much more demanding. I have to select less intensive algorithm for that pathetic 1 CU GPU
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Old 7th January 2020, 23:26   #58330  |  Link
huhn
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the current in progress version killed 1080 by just tonemapping with a version to saying it will be released like that but still.
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Old 8th January 2020, 00:48   #58331  |  Link
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Its not the tone mapping itself that kills your GPU, but analyzing the image to decide how to tonemap, since the new in-development test versions are basically doing dynamic tonemapping without having metadata to drive it - with great success, at that. And of course since the algorithm is still being actively changed, it may be in a more change-friendly format rather then overly optimized.
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Old 8th January 2020, 06:54   #58332  |  Link
Alexkral
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Quote:
Originally Posted by Atak_Snajpera View Post
Does not look like tone mapping saturation improvement to me But Who am I to judge...

Update: Unchecking option "compromise on tone & gamut mapping accuracy" fixes this issue. Old good tonemapping is back
Checking "compromise on tone & gamut mapping accuracy" means that the tone mapping is done in RGB instead of ICtCp. That means changes in hue and saturation. Since ICtCp is a perceptually uniform color space, using it for tone mapping is usually considered more accurate. However, as you can see for yourself, the matter is not so simple.
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Old 8th January 2020, 14:26   #58333  |  Link
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tone mapping was pretty much unusable on my old RX580 without that selected, hoping MADSHI can come up with something else for lower end users that doesnt compromise saturation, he may have already done this though, hoping to get a final release soon.
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Old 8th January 2020, 14:54   #58334  |  Link
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Did you by any chance enable highlight recovery? That can put a heavy hit on the GPU too.
A solution to gain a few ms with 4K HDR is to use measurement files, and D3D11 native decoding if it doesn't have any downside for you (e.g. Blu-ray menus in JRiver).
I can do tone mapping for 24p without any quality compromise and with highlights recovery and SSIM2D downscaling to 1080 on a 1050 Ti with measurement files, so surely an RX580 that is 2 times more powerful can do it too. Maybe switching to a lower quality chroma upscaling could help.
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Old 8th January 2020, 15:53   #58335  |  Link
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There is some kind of "basic expenses" with madVR that already is really much for Polaris, unfortunately. Some jinc scaling, HFR video and the better tone mapping really fries the GPU already.
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Old 8th January 2020, 16:10   #58336  |  Link
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polaris has only problems with ngu nothing else.
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Old 8th January 2020, 18:28   #58337  |  Link
mclingo
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Quote:
Originally Posted by el Filou View Post
Did you by any chance enable highlight help.
Indeed yes, however that switch got me from over 60ms to under 30ms where enabling highlights didnt really change it that much for me.

I actually tried lots of things, changing Chroma and stuff, this switch made the biggest different and didnt seem to do anything to the image until it was broken in the later versions.
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Old 8th January 2020, 20:15   #58338  |  Link
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just had another look when I got home. My rendering times are just over 30 ms but I have chroma and upscaling set to NGU high. If I select dont measure peak frame I just get a black screen, I think this is known bug so I just have compromise on luminescence selected.

This is on my 5700 msi OC which is a lot faster than my RX580 and a bit slower than the 5700XT stock overall.

I'm not seeing any glitches or frame drops at 30ms so I dont mind it being that high for now, hoping the next version will be better optimised.
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Old 8th January 2020, 22:59   #58339  |  Link
Alexkral
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this switch made the biggest different and didnt seem to do anything to the image until it was broken in the later versions.
I'd say that hasn't changed, it's just that depending on the image the difference is sometimes not noticeable at all.
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Old 9th January 2020, 11:24   #58340  |  Link
mclingo
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cheers, i'll have another look tonight then, hoping AMD will get the HDR issue fixed soon though
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