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18th September 2012, 23:26 | #13921 | Link |
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1) How do we determine the gamma/transfer function input and desired output?
2) If we have calibrated our display with the Windows calibration tool (at the moment, and yes madVR does respect the calibrated values. I tested this.) Should we enable "This display is already calibrated and if so which gamma transfer function should we choose (essentially question 1)? After testing and looking at monitor specs I have determined that the gamma level is 2.2 (I didn't touch that while calibrating via the Windows calibration tool). I've heard some people say that the output gamma should be set to 2.4 for movie content? This tends to darken the gamma bit from 2.2 and seems to either improve or over-darken the picture. Not sure what to conclude on that. Any tips? Thanks! |
19th September 2012, 00:29 | #13922 | Link | |
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As I understand, you say madvr obeys windows' colors. It is both in windowed and exclusive mode? EDIT: windows calibration aims for 2.2 gamma (or so I've read somewhere...) so this is probably what you should select, but I'm also interested what about primaries or curve? Edit2: by the way I found microsoft's images used for calibration to be low quality and inacurate... there is similar tests that give me quite better results for example this image is better than their circles which makes my eyes bleed http://i.imgur.com/EB4hT.gif when you go far enough from display so you no longer can distinguish black and white lines - square should be exactly the same color as area around it. Last edited by Keiyakusha; 19th September 2012 at 00:39. |
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19th September 2012, 01:30 | #13923 | Link | |
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Well, I looked at that square on both my monitor, one of them is an LG WLED 1080p laptop panel and the other is a Dell SP2309W (also probably an LG panel) which is dual CCFL backlight at 2048 x 1152. I tend not to pay attention to the pictures they have since they are pretty crappy. I just used a few images and the desktop's color (toolbars, icons, etc.). The square looks like it has black lines while the area around it is gray on my SP2309W (which has dedicated RGB controls in the OSD and since it is Wide Gamut I just applied the Wide Gamut RGB profile and didn't touch the software calibration values on it). On my laptop the square's lines look dark yellow and the area around it looks grey. Not sure what's going on around there. For my laptop screen I decreased the blue and green a bit since I think the default calibrated values are for a high color temp (very bluish white). I'm not really sure how to fix the yellow lines in the square on my laptop screen since when I try to adjust the RGB controls it changes the grey around it as well and basically anything different from the current values only deviates it from the best I can get it to look based on the RGB values set in the previous calibration. I think I may just invest in a Spyder and calibrate it properly. Does anyone have any recommendations on calibration devices and what the process is to create a single 3DLUT file which can be pointed to in madVR's calibration setup? The cost of the device is not an issue since I'll probably be using it on multiple monitors and I'll think of it as an investment. Last edited by dansrfe; 19th September 2012 at 01:34. |
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19th September 2012, 01:40 | #13924 | Link |
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To be honest I don't know about yellow lines... on my dell monitor with icc profile made by dell, square have the same color as area around, which indicates perfect 2.2 gamma.
you can't use this image to configure color though, this is for checking gamma only. maybe your display just old or not at its native resolution or something. but anyway it doesn't looks like something that can be fixed by adjusting r,g or b plane... |
19th September 2012, 01:47 | #13925 | Link | |
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I am very happy with it. It's not a fully pro meter but is very good and very fast to take readings. |
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19th September 2012, 01:52 | #13926 | Link | |
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This is pretty good too: http://www.lagom.nl/lcd-test/gamma_calibration.php |
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19th September 2012, 01:57 | #13927 | Link | |
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Is the ChromaPure software any good? I've heard people talk about Argyll CMS and how great it is. I personally don't know that much in-depth information about calibration so I can't really make any judgements on it. |
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19th September 2012, 06:44 | #13928 | Link |
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http://www.amazon.com/Pantone-MEU116-ColorMunki-Create-Software/dp/B001E2J464
I got mine for $50 shipped from newegg so the price might lower if you wait a bit, it's an "eye one display 2" with a crippled firmware....but Argyll unlocks it completely, and it also works in Color HCFR 3.x(which is using the Argyll drivers). Creating 3DLUT's is quite a headache, but at least you'll have a very worthy sensor for little money |
19th September 2012, 17:49 | #13932 | Link |
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madshi,
Is it possible for you to add a checkbox option to automatically disable the wallpaper changer or basically set it to stop changing the wallpaper while madVR is running and then turn it back on when madVR exits. Kind of the like the refresh rate changer. I have two systems in which my wallpapers change every 10 mins and no matter how much power the system has (CPU/GPU/VRAM) it still makes madVR drop frames when the wallpaper changes. I would really appreciate this. Thanks! |
20th September 2012, 01:41 | #13934 | Link |
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As of now I know of no way to do that. I would love that ability too if anyone knows how.
It is funny messing around with the color settings on my TV; I can move the 100% secondaries but not <100% so I can get very curved saturations or less curved but never a correct 50% value (like your cyan). It ends up looking better if I leave the TV's settings alone and use MadVR to do any corrections as the <100% values are closer to what MadVR expects based on the primaries. This is after I figured out a full calibration, I do get pretty good (<4dE) for everything but blue (17dE at 80%). It would be great to be able to use more or all of this information in MadVR but I imagine that would be a pretty big project. Last edited by Asmodian; 20th September 2012 at 06:58. Reason: added chart |
20th September 2012, 23:37 | #13935 | Link |
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Hi, I'm using an nVidia card, with these newer drivers that are helping with presentation glitches. Just fyi I have tried disabling the "use a seperate device for presentation", and I get a few frame drops with it from time to time. With it on I get 0 frame drops. Thought I better give that piece of feedback in case options like this might be permanently hidden.
I'm not sure if the intention would be to have this disabled permanently in an ideal world? GTX295 Windows 7 64bit mpc-hc |
21st September 2012, 10:19 | #13937 | Link | |
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4gb DDR3/AMD Fx6300 Windows 8.1, GT750ti, Auzentech Meridian 7.1, LG 42LN5400 4:4:4 1080P LCD TV |
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21st September 2012, 17:41 | #13938 | Link |
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Guys, I am considering getting a Geforce 650 to replace my 450. Zotac (among others) have versions with 2 GB RAM. Is this beneficial for madvr?
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SETUP: Win 10/MPC-HC/LAV/MadVR HARDWARE: Fractal Design Node 804 | Xeon E3-1260L v5 | Supermicro X11SSZ-TLN4F | Samsung 2x8GB DDR4 ECC | Samsung 850 EVO 1TB | MSI GTX 1650 Super | EVGA G2 750 |
22nd September 2012, 13:29 | #13940 | Link |
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Is there a way to show the playback time without exiting fullscreen exclusive mode? If I do it using MPC it exits exclusive mode and drops frames and glitches. I am trying to diagnose an issue and need to see the playback time and not cause hiccups in my ctrl-j stats.
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direct compute, dithering, error diffusion, madvr, ngu, nnedi3, quality, renderer, scaling, uhd upscaling, upsampling |
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