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Old 9th December 2019, 21:21   #58101  |  Link
Alexkral
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Originally Posted by KoKlusz View Post
Are you enabled "Ignore measurement files" under configuration>files & folders? Because latest builds broke that functionality, and Madshi didn't have time to fix it yet.
No, but that makes no difference. Actually, I would be very surprised if this just happened to me, but anyway I only use those performance settings sometimes for testing.
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Old 10th December 2019, 00:54   #58102  |  Link
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as there is no way to use MADVR HDR tone mapping and having this sent to the display without using the AMD API i've configured one of my profiles to balance out the lack of saturation, however I also found there is more to this issue than a lack of saturation as simply turning the saturation up does not correct the colour issues, there is a shed load magenta and blue missing so blood red colours were orange. I corrected this by eye and i'm now happy with this results for a decent workaround, I didnt like the results I got from the windows HDR + madvr alone.

obvioulsy calibrated colour purists out there would cringe at this but to my eye it looks spot on now. I'll test at the weekend on my Samsung HDR TV to see if there is any difference and maybe also put my 580 back in just so we defo know it is an issue with the card and not my processing chain in some way.
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Old 10th December 2019, 04:10   #58103  |  Link
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This discussion should probably be in a different thread now.
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Old 10th December 2019, 05:31   #58104  |  Link
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I still have a problem with black flickering when using madVR's "switch to matching display mode" with HDR content. FSE is off.

I have a little more information on the issue. It seems that with HDR videos only, when I go fullscreen, madVR acts like it's changing the refresh rate to match the movie (screen goes black for a moment), but when it comes back, it's still at 60Hz, and injecting black frames between each of the video's frames (at an inconsistent rate, due to the non-conformity of 24Hz vs 60Hz). For any non-HDR 24Hz video, madVR successfully changes the refresh rate to 23.976.

Edit: While I'm here... Does anyone know what I have to do to ensure madVR will force 10-bit color when it goes to 24fps when I fullscreen it? As it happens, Nvidia's control panel, with the latest drivers (or any drivers, apparently) doesn't let me choose 10 bpc. Only 8 or 12, the latter of which my display can't even handle. So if people are easily enjoying 10-bit color with madVR, I've clearly missed something simple and need to have my hand held on this. I can tell from test patterns that madVR is currently sticking with 8-bit color when it goes fullscreen.

Edit2: After more fiddling around, I determined that the only circumstance under which 10-bit color is available to select with Nvidia is when I am specifically outputting YCbCr422. I can't even pick YCbCr444 when the refresh rate is 24; the card refuses. This seems to be a problem, for as far as I know, madVR doesn't quite have the configurability to tell the PC to "use YCbCr422 10-bit 24Hz when fullscreen, and return back to RGB 8-bit 60Hz otherwise". Could be mistaken. A workaround would be welcome.

Last edited by Asterra; 10th December 2019 at 07:50.
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Old 10th December 2019, 07:35   #58105  |  Link
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Originally Posted by mclingo View Post
I'll test at the weekend on my Samsung HDR TV to see if there is any difference and maybe also put my 580 back in just so we defo know it is an issue with the card and not my processing chain in some way.
It would be nice if you checked your RX 580 on a Samsung TV, would it display colors correctly? I assume that the color saturation problem is common to all AMD GPUs.
Thank you.
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Old 10th December 2019, 11:56   #58106  |  Link
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no its just the RX5700, as I said before no other issues on any of my other RX cards, on either TV, I have a Samsung MU8000 as well.
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Old 10th December 2019, 11:58   #58107  |  Link
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This discussion should probably be in a different thread now.
I dont see why, its a MADVR issue, we've had nothing NVIDIA issues for months....
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Old 10th December 2019, 13:21   #58108  |  Link
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@mclingo

As I said the first time I saw this, I think that desaturation corresponds to the lack of conversion to Rec.709 or DCI-P3. I posted a shader here to do that conversion, try it and let me know what you think. The shader doesn't do gamut mapping so this should ideally be done with a DisplayCAL 3DLUT, but you need madVR v0.92.16 for it.
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Old 10th December 2019, 13:46   #58109  |  Link
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Originally Posted by Alexkral View Post
@mclingo

As I said the first time I saw this, I think that desaturation corresponds to the lack of conversion to Rec.709 or DCI-P3. I posted a shader here to do that conversion, try it and let me know what you think. The shader doesn't do gamut mapping so this should ideally be done with a DisplayCAL 3DLUT, but you need madVR v0.92.16 for it.

I missed this conversation, i'll have a look tonight, if this is the case why is it not affecting eveyone with 5700's do you think?

Do we need to ask MADSHI to deploy something in MADVR for this?
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Old 10th December 2019, 14:09   #58110  |  Link
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Drivers, Windows version... Maybe QBhd can help whith that.
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Old 10th December 2019, 14:17   #58111  |  Link
mclingo
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I did ask but didnt get a reply as yet, QBhd maybe off piste right now, we could do with:

Windows Version
AMD driver Version
MADVR version + HDR version
LAV version
Media player used
HDMI port used on TV and type (bluray/PC etc)
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Old 10th December 2019, 15:07   #58112  |  Link
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Originally Posted by mclingo View Post
I dont see why, its a MADVR issue
From the descriptions, if it's only happening with 5700s then it's an AMD card or driver issue rather than a general madVR issue.
There's a dedicated thread for specific GPUs/driver issues with madVR: https://forum.doom9.org/showthread.php?t=176013
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we've had nothing NVIDIA issues for months....
Same, those questions would be better answered in that driver thread. A recurrent one with Nvidia that is becoming quite tiring is the "is it possible to also switch bit-depth output when switching refresh rates?" that seems to come up every few pages.
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Old 10th December 2019, 15:18   #58113  |  Link
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I perhaps agree that a general driver issue should really be migrated onto a more general thread, perhaps we can once we've flushed it out a bit more. However this is only affecting MADVR and so should remain here for now I feel, regarless of whether it only affects NAVi cards or not. We've had 90% NVIDIA discussion for months now, I feel you need to let us AMD users have this one.
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Old 10th December 2019, 15:28   #58114  |  Link
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We've had 90% NVIDIA discussion for months now, I feel you need to let us AMD users have this one.
This is not how anything works. Someone else did something wrong, so we get to do more wrong? No.
This is not a competition between NVIDIA and AMD who gets to spam more stuff into the madVR thread.

If you want to get madshi's attention, you should keep this topic as clean as possible, and discuss your driver/card issues elsewhere, and when you collect all the facts and reach a conclusion, you can summarize it here.
Trust me, he is far more likely to gloss over back-and-forth driver discussion and just stamp it away as a "driver issue", and more likely to actually read a succinct summary post.
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Old 10th December 2019, 16:00   #58115  |  Link
mclingo
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where I tend to agree, its MADVR users that we need to engage and this is where most of them reside, not the general AMD user. As youknow I tried creating a general thread for this very purpose but there just isnt enough people monitoring it, so we're back here.

I dont think MADSHI is engaged with this thread at all at the moment do I dont think it matters at all how or what we discuss, for once though we're actually discussing a problem in MADVR instead of comparing green vs red or OLED vs LCD.

I personaly think this is a valid discussion topic for this thread.
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Last edited by mclingo; 10th December 2019 at 16:03.
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Old 10th December 2019, 16:06   #58116  |  Link
Alexkral
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Trust me, he is far more likely to gloss over back-and-forth driver discussion and just stamp it away as a "driver issue", and more likely to actually read a succinct summary post.
If you say so... I think it's more likely that he will not respond in any way, and I'm on nvidia so this question does not concern me directly.
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Old 10th December 2019, 20:10   #58117  |  Link
mclingo
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If you say so... I think it's more likely that he will not respond in any way, and I'm on nvidia so this question does not concern me directly.
Hi, that shader does the trick, couple of questions,

what does that tell us about the problem, does this mean its definately an API issue and we can take this straight to AMD and have them fix it, has anyone tried this yet?

If this indeed an API problem I dont understand how one owner of a 5700 can have a problem in MADVR and another doesnt.
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Last edited by mclingo; 10th December 2019 at 21:06.
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Old 10th December 2019, 20:56   #58118  |  Link
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has anyone tried this yet?
Yes, I tried. This shader fixed the colors.
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Last edited by DMU; 10th December 2019 at 20:59.
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Old 10th December 2019, 21:08   #58119  |  Link
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i meant has anyone tried logging a fault to AMD based on this fix in that we appear to know exactly what the problem is now?
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Old 10th December 2019, 21:18   #58120  |  Link
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i meant has anyone tried logging a fault to AMD based on this fix in that we appear to know exactly what the problem is now?
My poor English will not allow me to correctly describe the essence of the issue. If you prepare a text, I will prepare materials using HDFury.
Pic.1
Pic.2
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