madVR Player Support Thread - Page 30 - AVS Forum | Home Theater Discussions And Reviews
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post #871 of 1134 Old 04-27-2019, 02:03 PM
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Quote:
Originally Posted by brazen1 View Post
It is on his teeth though. Obviously that's green tea matrix juice dribble and madVR is detailing it. Try turning off colored noise in dithering.
That didn't work.
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post #872 of 1134 Old 04-27-2019, 03:35 PM
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Hi Guys,


I've used MadTPG to create a calibration LUT with LightSpace.
Uploaded into Madvr.
In "calibration" section I see "calibrate this display by using external 3DLUT files" checked.
I see also my file loaded into the filed named "BT.709" but .... it seems greyed out ....
Infact the calibration is not active.
Verified with some files taken from calibration discs.


The 3D lut is not applied.


Any idea why?


thank you
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post #873 of 1134 Old 04-28-2019, 02:18 PM
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i never used light space the hotkkey to check the 3d LUT is control+shift+alt+ 3 (out of my head).
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post #874 of 1134 Old 04-30-2019, 09:18 PM
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I have been reading through this thread and a few others, but don't seem to have completely figured out what to do: I have a JVC RS540 and madVR with a 1070Ti card. Under HDR settings, I gather that I need to choose "tone mapping". Beyond this, do I need to make changes to "color tweaks" and "highlight recovery"? Also, should I check "output video in HDR format"?

I have been running HDR on high lamp using Jav's custom curves, which I will continue using for Netflix and other streaming services. If madVR tone maps HDR to SDR, will it still trigger HDR mode on the JVC? If not, how would I ensure that the projector goes into high lamp mode?
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post #875 of 1134 Old 05-01-2019, 05:08 AM - Thread Starter
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You don't have to do anything to color tweaks for fire & explosions. The default setting will work fine for most and the other available values are difficult to notice in passing unless you know what to look for.

I would enable highlight recovery strength at medium. Once you understand what it does, you might increase it to another strength. Any part of the image that is compressed by tone mapping will be sharper with this enabled.

Don't check output video in HDR format. You want SDR output with a projector, and this will output in PQ rather than SDR gamma.

HDR to SDR won't trigger HDR mode on its own because it is sending an SDR signal to the projector. Try controlling the projector lamp mode over the your network with IP control provided by a tool called HTPC Control (mentioned towards the bottom of this post):

https://forum.kodi.tv/showthread.php...406#pid2750406

Lastly, set hardware decoding in LAV Video to D3D11 Automatic (Native). This offers the best performance when combined with madVR's tone mapping.
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post #876 of 1134 Old 05-03-2019, 07:42 PM
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My JVC RS2000 arrives on Monday, and I'm playing around with madvr in the meantime. I'm focused in particular on the devices portion of the setup, and was looking for a little help.

I have a 2.40 screen, and through madvr will only be watching blu rays and 4k discs (ripped to a server). The RS2000's native panel resolution is not the normal UHD resolution, but is instead 4096 x 2160. I have a panamorph DCR anamorphic lens, which I would like to leave in place all the time. My goal is to have madvr scale everything to 4096x2160, eliminate the top and bottom black bars on all 2.35 - 2.40 movies, and take into account the DCR (vertical compression) lens, so that I do not have to resort to using the JVC's various anamorphic scaling modes on top of madvr, to keep all movies in their original aspect ratios.

First step (I assume---correct me if I am wrong!) is to create output resolutions in the Nvidia control panel for 4096x2160 at 23, 24, 25, 30, 50, and 60hz. Next, I set LAV to use DXVA2 copyback so that I can enable black bar detection.

Where I could use some guidance is in madVR itself. Specifically, I need guidance on the "screen config" and "display modes" parts of the devices tab, and the "zoom control" tab under processing:
1) Under display modes, most people just specify 2160p23, 24, 25 etc. Because of my custom resolution, do I need to specify 4096x2160p23, 4096x2160p24, etc.? I assume yes.

2) Under screen config, I check "anamorphic lens" and "define visible screen area by cropping masked borders," but then what do I put in as the anamorphic stretch factor and the top and bottom cropping masked borders entry fields? For the anamorphic stretch factor, when I once asked @Shawn Kelly of Panamorph what the DCR lens requires, he said "4/3 vertical stretch, 16/15 horizontal stretch, 4/5 horizontal squeeze," but madvr only offers a single stretch factor box (I assume vertical?). For the cropping, do I need to create separate profiles for 1.78, 1.85, 2.35, 2.37, and 2.40 content, in order to crop different amounts of the black bars for each kind of film? Or is that better done in...

3) zoom control? I've got "automatically detect hard coded black bars" checked, and I've moved subtitles into the active video area. Currently, I have "notify media player about cropped black bars" and "crop black bars" checked. Should I check zoom small black bars away? Should I check "if there are big black bars . . . zoom the bars away completely"? Or do I need to create separate profiles here (and not at the screen config part) for different aspect ratios, and have different settings for each (I.E., either crop or zoom away black bars completely for 2.35, 2.37, and 2.40, and zoom small black bars away for 1.85?)

I don't fully understand how the screen config and zoom control interact, and which is better to use to achieve my goals, so any insight would be very much appreciated!


This is what @madshi said, in an earlier instance where I was bumbling about some of these questions:
Quote:
Yes, define your "display" to be a digital projector, then in the new "screen config" settings page check the "anamorphic lens" option. Furthermore check "define visible screen area by cropping masked borders" to define which part of the projector panel is actually visible on your screen, with the anamorphic lens in the light path. If you do all this correctly, any movies should automatically be scaled to have the correct aspect ratio through the lens, and fill the full screen (as much as possible).

You will probably also want to enable automatic detection of black bars (see processing -> zoom control) so that madVR will automatically detect and handle scope movies correctly.
What I need help with is the part of his statement that I need to "define which part of the projector panel is actually visible on your screen." Have you come across this before, @Manni01 ?
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post #877 of 1134 Old 05-04-2019, 02:10 AM
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Hi ddgdl,

Unfortunately I’ve never used an anamorphic lens because I have a 16/9 screen and only detect the black bars detection in madVR to do a vertical shift so that I have only one black bar to mask (manually with self-made black velvet panels) at the bottom of the screen. No mask for 16/9 (no black bar), a different mask for 2.35 and 2.40, no mask for 1.85 (small black bar at the bottom).

I would say try using the only stretch factor available in madvr, and use no masking as I believe (but could be entirely wrong) that the DCL Paladin lens uses the whole panel.

Regarding this lens, I would ask @Mike Garrett as he knows a lot about it. Maybe he can help regarding stretch factor if you have only one available, and masking for that lens.

Otherwise most of your assumptions seem correct, you’ve done your homework

The only thing I would add is that when it all works, you might want to create custom resolutions with CRU to eliminate/reduce the number of frame drop/repeat at 23p. If you want to use HDR passthrough, make sure you use at least 430.x if you have an RTX, or a pre 398.11 (I recommend 385.28) if you have a GTX. Beware, there is no 3D from 430.x, so if that matters to you you’ll have to choose between HDR passthrough and 3D if you have an RTX gpu.

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post #878 of 1134 Old 05-04-2019, 02:56 AM
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Quote:
Originally Posted by ddgdl View Post

First step (I assume---correct me if I am wrong!) is to create output resolutions in the Nvidia control panel for 4096x2160 at 23, 24, 25, 30, 50, and 60hz. Next, I set LAV to use DXVA2 copyback so that I can enable black bar detection.
This is wrong, sort of. You will not need to create those resolutions in nvidia control panel. They will already exist as the projector is a 4096x2160 panel. Those resolutions can just be selected. Inside madVR you can just select those resolutions.



Quote:
Originally Posted by ddgdl View Post
Where I could use some guidance is in madVR itself. Specifically, I need guidance on the "screen config" and "display modes" parts of the devices tab, and the "zoom control" tab under processing:
1) Under display modes, most people just specify 2160p23, 24, 25 etc. Because of my custom resolution, do I need to specify 4096x2160p23, 4096x2160p24, etc.? I assume yes.
This looks like "yes" also. As you type in a resolution it will say either "valid" or "invalid". 4096x2160p23 was registered as "valid" when I tested.

Quote:
Originally Posted by ddgdl View Post
2) Under screen config, I check "anamorphic lens" and "define visible screen area by cropping masked borders," but then what do I put in as the anamorphic stretch factor and the top and bottom cropping masked borders entry fields? For the anamorphic stretch factor, when I once asked @Shawn Kelly of Panamorph what the DCR lens requires, he said "4/3 vertical stretch, 16/15 horizontal stretch, 4/5 horizontal squeeze," but madvr only offers a single stretch factor box (I assume vertical?). For the cropping, do I need to create separate profiles for 1.78, 1.85, 2.35, 2.37, and 2.40 content, in order to crop different amounts of the black bars for each kind of film? Or is that better done in...
I think in your case, you will not have any black bars to crop for scope content. You'd only check "anamorphic lens" and 4/3 and leave the "define visible screen area..." unchecked. This is if you have masking for some reason I think.


You can test all this now without your projector. If you have a 16x9 monitor, for example, just go set anamorphic lens and play some scope content. It should fill the screen stretched right?

Video: JVC RS4500 135" screen in pure black room no light, htpc nvidia 1080ti.
Audio: Anthem mrx720 running 7.1.4, McIntosh MC-303, MC-152, B&W 802d3 LR, B&W HTM1D3 center, B&W 805d3 surround, B&W 702S2 rear, B&W 706s2 x 4 shelf mounted for atmos, 2 sub arrays both infinite baffle: 4x15 fi audio running on behringer ep4000 + 4x12 fi audio running on 2nd ep4000.

Last edited by markmon1; 05-04-2019 at 05:45 AM.
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post #879 of 1134 Old 05-04-2019, 03:04 AM
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setting up a lens is very easy if you know the stretching factor.
the masking is for constant over throwing so you can move the image back on the screen so you most likely don't need it at all.


the multiply numbers are just there because the image changing factor depends on the point of view. all you need to know is the AR of the image with the lens and the source resolution and the rest is a simply calculation.

I personally would just measure it and calculate it myself(which is pretty easy) type the number in and that's it but that's just the perfectionist in me talking.
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post #880 of 1134 Old 05-04-2019, 05:05 AM
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Thanks guys. I'll test it out on my 16x9 monitor tonight while I wait for Monday's delivery.

Edit: you may be right that @madshi was referring to masking when he said "define visible area," but I wonder if we are missing something. I especially would like to know how the various crop/zoom black bars interact with an a-lens and using the full panel of the RS2000 for added brightness (which is, after all, almost the entire point of the DCR lens).

Edit x 2: One other question---if I am using black bar detection, and under LAV have selected DXVA2 copyback, do I also have to uncheck the option in madvr for "use direct3d11 for presentation"? In other words, does that checkbox override LAV?

Last edited by ddgdl; 05-04-2019 at 05:25 AM.
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post #881 of 1134 Old 05-04-2019, 05:19 AM
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Quote:
Originally Posted by Manni01 View Post
If you want to use HDR passthrough, make sure you use at least 430.x if you have an RTX, or a pre 398.11 (I recommend 385.28) if you have a GTX. Beware, there is no 3D from 430.x, so if that matters to you you’ll have to choose between HDR passthrough and 3D if you have an RTX gpu.
I am on a GTX (1070), am not worried about 3d, and am doing my tonemapping in madvr, so is there any reason not to use the latest driver (430.x)? I only ask because I just updated to it yesterday
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post #882 of 1134 Old 05-04-2019, 05:24 AM
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Originally Posted by ddgdl View Post
I am on a GTX (1070), am not worried about 3d, and am doing my tonemapping in madvr, so is there any reason not to use the latest driver (430.x)? I only ask because I just updated to it yesterday
Not if you don't care about 3D, unless you notice high CPU use that some have reported (not sure with which GPU models though). I need 3D so I went back to 385.28 with my 1080ti.

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post #883 of 1134 Old 05-04-2019, 05:26 AM
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Quote:
Originally Posted by Manni01 View Post
Not if you don't care about 3D, unless you notice high CPU use that some have reported (not sure with which GPU models though). I need 3D so I went back to 385.28 with my 1080ti.
I'll check out 385.28 as well then- can't hurt.
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post #884 of 1134 Old 05-04-2019, 05:39 AM
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Quote:
Originally Posted by markmon1 View Post
I think in your case, you will not have any black bars to crop for scope content. You'd only check "anamorphic lens" and 4/3 and leave the "define visible screen area..." unchecked. This is if you have masking for some reason I think.
But what about 1.85 and 2.35/2.37 content? I recognize that we are only talking about very small black bars for each, and especially for movies at 2.35/2.37 when compared to my 2.40 screen. Would those still be cropped, or do I have to select the zoom away small black bars option for those? I guess I can fiddle with it on my 16x9 monitor, though it will be a lot harder to tell on that monitor than on Monday when projector an a-lens are up and running.
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post #885 of 1134 Old 05-04-2019, 06:13 AM
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you are overthinking this.

the source AR doesn't matter as long as you want to watch it as it is intended to be watched.

Quote:
Edit x 2: One other question---if I am using black bar detection, and under LAV have selected DXVA2 copyback, do I also have to uncheck the option in madvr for "use direct3d11 for presentation"? In other words, does that checkbox override LAV?
totally unrelated.
d3d11 native and d3d11 rendering are both from dx11 but can be used separately.
with a native decoder madVR get's the image from the GPU but blackbar detection runs on the CPU and that'S the only problem.

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Not if you don't care about 3D, unless you notice high CPU use that some have reported (not sure with which GPU models though). I need 3D so I went back to 385.28 with my 1080ti.
that is hot fixed it was the telemetry ouch...
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post #886 of 1134 Old 05-04-2019, 06:48 AM
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In discussions with Mike, I went back and found @Shawn Kelly 's full post about the transform math:

Quote:
The primary transform math for use of the DCR is as follows ...
4/3 vertical stretch 16/15 horizontal stretch 4/5 horizontal squeeze. Combinations of these and "off" will handle just about everything. FWIW we like to standardize on that 4/3 vertical stretch even though it leaves several rows of unused pixels because it's a cleaner transform for certain algorithms
If it a 1.25x lens though, shouldn't it be 5/4 for madvr ideally, since madvr can do any ratio it wants? Just a thought...
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post #887 of 1134 Old 05-05-2019, 12:09 AM
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Quote:
Originally Posted by Manni01 View Post
Not if you don't care about 3D, unless you notice high CPU use that some have reported (not sure with which GPU models though). I need 3D so I went back to 385.28 with my 1080ti.
Out of curiosity, what's the issue with 425.31? Isn't this supposed to the last version with 3D drivers? Since I don't use HDR passthrough in madVR (use tone mapping), I would like to understand if there are any other issues with this version.
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post #888 of 1134 Old 05-05-2019, 12:52 AM
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Originally Posted by the_jaguar View Post
Out of curiosity, what's the issue with 425.31? Isn't this supposed to the last version with 3D drivers? Since I don't use HDR passthrough in madVR (use tone mapping), I would like to understand if there are any other issues with this version.
HDR passthrough not supported and with some GPUs failure to switch to HDR using nVidia API in 8bits (only worked in 12bits). Sadly nVidia decided to axe 3D in the same driver that fixed these two issues, which means that RTX owners have to decide between 3D support and these two fixes. There is a thread on Doom9 with more details on each driver version in relation to madVR.

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post #889 of 1134 Old 05-05-2019, 01:41 AM
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Originally Posted by Manni01 View Post
HDR passthrough not supported and with some GPUs failure to switch to HDR using nVidia API in 8bits (only worked in 12bits). Sadly nVidia decided to axe 3D in the same driver that fixed these two issues, which means that RTX owners have to decide between 3D support and these two fixes. There is a thread on Doom9 with more details on each driver version in relation to madVR.
got it - thanks for the explanation. I will checkout the thread on Doom9. I hope Nvidia separates out the 3D driver and allow users to upgrade to the newer driver versions. Those who want 3D can install it separately. It would be such a disappointment for us 3D lovers to have to choose between 3D or HDR compatibility. Also, we won't be able to enjoy any new features they might release via firmware updates if we are stuck on an old one.
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post #890 of 1134 Old 05-05-2019, 01:49 AM
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got it - thanks for the explanation. I will checkout the thread on Doom9. I hope Nvidia separates out the 3D driver and allow users to upgrade to the newer driver versions. Those who want 3D can install it separately. It would be such a disappointment for us 3D lovers to have to choose between 3D or HDR compatibility. Also, we won't be able to enjoy any new features they might release via firmware updates if we are stuck on an old one.
Yes, I have written to nVidia to request that they bring back support for HDMI 3D, even if they zap their 3D Vision support which no one cares about. Make sure that you do ask them too if it matters to you. They might do this is they realise that many of their users still care about 3D (which might not be the case though).

I'm not upgrading my 1080ti until they support 3D in an RTX driver without the HDR bugs in the previous ones. You might let them know this too. Hit them where it hurts!

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post #891 of 1134 Old 05-05-2019, 01:56 AM
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Quote:
Originally Posted by Manni01 View Post
Yes, I have written to nVidia to request that they bring back support for HDMI 3D, even if they zap their 3D Vision support which no one cares about. Make sure that you do ask them too if it matters to you. They might do this is they realise that many of their users still care about 3D (which might not be the case though).

I'm not upgrading my 1080ti until they support 3D in an RTX driver without the HDR bugs in the previous ones. You might let them know this too. Hit them where it hurts!
Ah, ok. Yes, I would like to write to them for sure. Is there a specific email address that I should send to?
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post #892 of 1134 Old 05-05-2019, 02:32 AM
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Ah, ok. Yes, I would like to write to them for sure. Is there a specific email address that I should send to?
https://www.nvidia.com/object/support.html

See "Ask us a question" at the bottom of the page.
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post #893 of 1134 Old 05-05-2019, 10:44 AM
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Someone with a 2400g that has integrated a Vega 11 or a dedicated VEga ??

Have you managed to run the HDR using madVR? doing passthrough?

The movies, although the HDR is activated on the TV, the colors do not look good, they look very dark. The fact is that if in Windows 10 I activate the HDR if it looks good ... But it is not practical to always leave it activated.

Does anyone know what problems there may be? :-(
Config:
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post #894 of 1134 Old 05-05-2019, 11:29 AM - Thread Starter
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Is it any better with 10-bit output from madVR and 8-bit output from the GPU? It is likely an issue with the AMD video driver. Does the TV's HDR mode engage at playback start?
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post #895 of 1134 Old 05-05-2019, 11:39 AM
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Is it any better with 10-bit output from madVR and 8-bit output from the GPU? It is likely an issue with the AMD video driver. Does the TV's HDR mode engage at playback start?

Yes, the HDR logo appears on the screen when you start playback and put it on the fullscreen
issue drivers amd? Maybe ... buuuutt..... nobody has tried before?

I do not understand what you want to say with:
Is it any better with 10-bit output from madVR and 8-bit output from the GPU?


[COLOR=inherit !important]


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post #896 of 1134 Old 05-05-2019, 02:39 PM - Thread Starter
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Set the bit depth under properties in madVR to 10-bits (required for HDR with Nvidia) and the AMD control panel to 8-bit RGB.
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post #897 of 1134 Old 05-05-2019, 03:29 PM
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Originally Posted by mightyhuhn View Post
you are overthinking this.



d3d11 native and d3d11 rendering are both from dx11 but can be used separately.

with a native decoder madVR get's the image from the GPU but blackbar detection runs on the CPU and that'S the only problem.



I also tried this and it seams that if you are using upscaling to 4K or 4K HDR in general, you will only get a „slideshow“ instead a smooth framerate and this is with a RTX2070

If you found a fix for it, please post it but I doubt because the CPU has to be used for black bar detection...
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post #898 of 1134 Old 05-05-2019, 04:00 PM
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Quote:
Originally Posted by Onkyoman View Post
Set the bit depth under properties in madVR to 10-bits (required for HDR with Nvidia) and the AMD control panel to 8-bit RGB.
same result :-(
look: https://a.uguu.se/q1q7sMVulLsX_t_vid...8890371561.mp4



besides have problem strage when active 4:4:4 $GB:
link video: https://a.uguu.se/73AdZTicNnNV_t_vid...4666641533.mp4


display active Dolby vision in black

and I can not do anything.
I have to disconnect the hdmi cable and reconnect.
I tested with 3 HDMI cables, same result



So that does not happen, I have to:
Activate resolution 1080
Activate 4: 4: 4 RGB
Activate 4k resolution




:-S


¿¿
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post #899 of 1134 Old 05-05-2019, 05:21 PM
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What is recommended for GPU and CPU queue size? I have 8 for both, but my render times are in the mid 30's (with the occasional frame drop).

CPU is an old i7-2600k
GPU is a GTX 1080

everything else seems to be running ok (using the latest test build for a JVC projector).
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post #900 of 1134 Old 05-06-2019, 03:31 AM
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Quote:
Originally Posted by Onkyoman View Post
You don't have to do anything to color tweaks for fire & explosions. The default setting will work fine for most and the other available values are difficult to notice in passing unless you know what to look for.

I would enable highlight recovery strength at medium. Once you understand what it does, you might increase it to another strength. Any part of the image that is compressed by tone mapping will be sharper with this enabled.

Don't check output video in HDR format. You want SDR output with a projector, and this will output in PQ rather than SDR gamma.

HDR to SDR won't trigger HDR mode on its own because it is sending an SDR signal to the projector. Try controlling the projector lamp mode over the your network with IP control provided by a tool called HTPC Control (mentioned towards the bottom of this post):

https://forum.kodi.tv/showthread.php...406#pid2750406

Lastly, set hardware decoding in LAV Video to D3D11 Automatic (Native). This offers the best performance when combined with madVR's tone mapping.
Regarding triggering high lamp mode when playing an HDR movie, since I have a Logitech Harmony with the hub, would it be possible to send a specific code to the projector to switch over to high lamp mode when playing a HDR video? If there is a way for madVR to indicate that a HDR video is being played, I am wondering if I can use any available windows application to send a signal from my PC to the logitech hub and then have the hub send over the appropriate code to the projector? If you wondering why I am complicating this whole thing when the simpler solution is to connect the projector to my router, the issue is the lan cable. Since I am pre-wired, to the projector, I really don't want an ugly lan cable dangling from the ceiling to the projector.

And yes, I am have setup the LAV video splitter to default to "automatic" in order to make use of D3D11 native. Thanks for all the input.
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