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Old 5th April 2020, 23:06   #59021  |  Link
littleD
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Quote:
Originally Posted by huhn View Post
a cheap downscaler is bicubic 150.
madVR doesn't seem to be using convolution(or what's called) that'S why it can go terrible wrong but it's super cheap even with convolution.

you can try it with convolution in mpcVR.
Yes, thanks, madvr bc150 is nice even from 8k to hd But on intel frame droppping starts from 4k60fps to hd.
Mpcvr bicubic/sharp does not antialias.

@claw
I am on laptop with igpu and dgpu nvidia. I have to use igpu dxva hw acceleration decoding. Then i cannot use nvidia card for madvr, have to use intel gpu for scaling.
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Old 6th April 2020, 09:30   #59022  |  Link
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Originally Posted by claw View Post
madshi has made available for download and testing more than 100 builds of MadVR since September 2018 and since the last official release.
- He could do even 1000 releases per year. Or at least 100 releases per day.
What's the use? Is it at least 1%, somehow improved the "classic" MadVR?

Likely the speech about "Advanced HDR tone mapping" addition?
Well, madshi himself really needs this because he wants free beta testers for the Envy Project.
But hardly more than 5% of those who communicate in this thread really need this option.
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Old 6th April 2020, 09:44   #59023  |  Link
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Again... 7 posts from a lurker and we have an expert of this thread? How very interesting...

Also it is never a good sign when people with "beliefs" start spouting numbers... Usually means there is no reasoning with those people since they see their belief as fact.

QB
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Old 6th April 2020, 09:51   #59024  |  Link
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I am not saying that madshi does nothing.
On the contrary, it may work in this area much more than usual.
But what do we care about this job now?
When I say that madVR is DeadVR, I mean the demise of the project in the classic version "for the masses."
This work is for some very wealthy guys who are willing to pay $10K for admission

For him promised a lot of delicious new options.
For instance:

1) New, much better CNN algorithms.
True, they are not yet available, while open CNN solutions are developing with might and main and have surpassed any NGU in quality.

2) Special algo implemented which has a similar effect as "genlock".

3) Envy has a database of which algorithm costs how much rendering time at which quality level with which input & output resolutions. Using this database, Envy decides automatically which algorithms can be run in which quality without causing the GPU to run out of steam ... Envy does all this automatically, so the GPU is always running at about 85% of its power.

4) More performance with the same hardware.
"Since Envy only uses Nvidia GPUs, I can use CUDA for new algos, or for optimizing existing algos. The HTPC software also has to support AMD and Intel, so using CUDA there isn't really a good option."

5) And - even more.
"In the future, Envy will use Tensor cores for AI processing."

Here is the complete list of sweets that are served in a $ 10K pack.
All this could have appeared in the classic MadVR for a long time.
But now it will not appear, because its existence fundamentally contradicts new, commercial interests.

So, what do we care about all these goodies now?
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Old 6th April 2020, 10:07   #59025  |  Link
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Stop feeding the troll
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Old 6th April 2020, 10:21   #59026  |  Link
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@HauteTension
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Old 6th April 2020, 17:52   #59027  |  Link
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Hi Madshi,

1) for the use of MadVR in win 8.1 (sending 10 bit video over hdmi to a 2e display in full screen mode) does it matter if i use Aero (light), a high contrast theme, or use a default (classic) theme for my desktop ?
i vaguely remember there might be some reasons not to use Aero modes with madvr, but it seems to work better for me atm (when i right click on the video screen playing in FSE mode to alter subtitle settings etc, it seems to disrupt the playing video less)

2) is there any external usb "digital tv receiver" unit that you recommend for use with madvr ? (eg USB DTV dongle type unit)

thank you for your great madvr program, it makes a Big difference in video quality on a good display with HTPC use
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Old 6th April 2020, 19:14   #59028  |  Link
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Quote:
Originally Posted by QBhd View Post
Again... 7 posts from a lurker and we have an expert of this thread? How very interesting...

Also it is never a good sign when people with "beliefs" start spouting numbers... Usually means there is no reasoning with those people since they see their belief as fact.

QB
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Old 6th April 2020, 19:58   #59029  |  Link
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Originally Posted by madshi View Post
Sorry guys, terribly busy atm. Just to let you know: My Nvidia driver contact just informed me that the HDR passthrough problems (not always engaging, and incorrect metadata) should be fixed in the next bigger driver release.

TODAY it has been ONE YEAR since MadShi wrote here.. Hope hes doing well and not working to hard on Envy!
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Old 6th April 2020, 20:11   #59030  |  Link
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this is not the first time this happens just move on and wait until he returns.

if madVR gets scraped, disconnected, returning to the old days or what ever fantasy someone wants to come up with nothing discussed here will change that.

if you want to add your input on this topic do it where is is active now and even talks about it and add your thoughts on it this may have an effect unlike this useless doom saying.

the current stated fact is madVR will continue and the details are unknown most likely even for madshi.
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Old 7th April 2020, 19:04   #59031  |  Link
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Quote:
Originally Posted by tp4tissue View Post
Many people have mental illness, be nice.
It seems to me that mental illness is more likely when some people are so blind that they stubbornly believe in the continuation of free gifts
from the good Weihnachtsmann (german Santa Claus
Although they are no longer five years old.
And for two years now, Santa stopped harness his deers and sent them to stand as a window of Hi-End AV-salon
In addition, even Santa himself directly told them that the distribution of gifts "went sales through the floor"
and he "can't just brush off my business partner and all the distributors and dealers."

The situation is absolutely transparent.

But this does not prevent some peoples from believing that they need just have to wait a little longer
and free gifts will soon begin to pour in their mouths
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Old 7th April 2020, 20:50   #59032  |  Link
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Originally Posted by HauteTension View Post
I)
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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Old 7th April 2020, 23:33   #59033  |  Link
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Old 8th April 2020, 04:11   #59034  |  Link
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Originally Posted by wasper View Post
Hello everyone,

I need some helps. I have an Intel card GPU is able to do HEVC decoding at 4K 10 bits. I have a video that is HDR 59fpf at 4k. This video play just fine n VLC. I can't play it in MADVR. The problem is probably related to the use of the GPU for decoding.

LAV at 0.74.1

The left pane is the use of the GPU by VLC, the right pane by MADVR. Any idea why isn't using gpu like VLC?


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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Old 8th April 2020, 04:57   #59035  |  Link
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So, the real problem is Jriver not allowing native dxva ?
How is Intel Iris Plus 655 doing with madVR ? Can it do tone mapping without problems ?
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Old 8th April 2020, 08:14   #59036  |  Link
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Originally Posted by wasper View Post
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?
There is an option under the checkbox that enables hardware decoding in JRiver, named "Optimize hardware decoding for performance", if you enable that it'll use DXVA2 Native.
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Old 8th April 2020, 12:01   #59037  |  Link
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Originally Posted by HauteTension View Post
1) New, much better CNN algorithms.
True, they are not yet available, while open CNN solutions are developing with might and main and have surpassed any NGU in quality.
Thanks, that was an interesting read!
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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Old 8th April 2020, 17:13   #59038  |  Link
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Originally Posted by nsnhd View Post
So, the real problem is Jriver not allowing native dxva ?
How is Intel Iris Plus 655 doing with madVR ? Can it do tone mapping without problems ?
I don't think anything below a 1050ti / 1060 can do tonemapping reliably.
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Old 8th April 2020, 19:11   #59039  |  Link
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Originally Posted by chros View Post
Thanks, that was an interesting read!
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: oh, I found the original here
I've been doing some tests myself related to what I am working on, when I finish I'll post some results with the metrics that I consider most interesting. The performance of NGU sharp very high is usually comparable to FSRCNNX with any metric, the other settings (high, medium, and low) are always a bit below. The other NGU variants produce worse results, but still better than interpolation methods (except NGU soft).

Most of the metrics are implemented in Matlab, there are plenty to try:

http://www.ponomarenko.info/psnrhma.htm
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Old 8th April 2020, 19:20   #59040  |  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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