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7th December 2011, 05:30 | #11301 | Link |
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This is not a gamma problem. If your set is clipping below 16, no gamma setting will bring those levels back, just the same as brightness can't.
Just quickly testing with the gradient test at the site provided by QBhd above, I can clearly tell banding when setting CCC to pixel format limited RGB. When using full they're completely smooth. I'm using 11.11 drivers.
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MSI MAG X570 TOMAHAWK WIFI, Ryzen 5900x, RTX 3070, Win 10-64. Pioneer VSX-LX503, LG OLED65C9 Last edited by Andy o; 7th December 2011 at 05:38. |
7th December 2011, 05:47 | #11302 | Link | |
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Different strokes for different folks. (in this case folks=htpc setups)
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MPC-HC/MPC-BE, Lav Filters, MadVR CPU: AMD Ryzen 5 1600, Video: AMD Radeon RX Vega 56 -> TCL S405 55", Audio: Audio-Technica M50S Last edited by fairchild; 7th December 2011 at 05:49. |
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7th December 2011, 06:30 | #11303 | Link |
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Ok, so if the static images still do NOT show levels properly then that means the display is not accepting Full RGB. With that said, you should still have CCC set to Full RGB in Pixel format. But madVR needs to be set to TV Levels.
QB
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7th December 2011, 08:44 | #11304 | Link | |
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That could be a reason why the banding introduced is not as visible to you, but you should see a difference in clipped whites/crushed blacks at least. Or, something else than your TV simply not accepting full RGB is going on. Also, the reason I say the issue is not that simple, is because if you're getting a smooth (properly dithered) limited RGB output, it is extremely unlikely that it's just different setups. You have a 5830, I have a 5770. It would be very surprising (and welcome) news to all of us who have been following these pixel format shenanigans for almost two years now.
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7th December 2011, 09:53 | #11306 | Link |
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Hi all, i've been using mpc-hc+madvr for a long time with great succes. perfect quality, the frequency matching really nailed the last issues.
But the later versions experience some weird problems here: I have setup consisting of a thinkpad T500 with a panasonic plasma TV hooked up as secondary display (dvi->hdmi), When a movie starts up fullscreen on the tv and this is switched to exclusive mode, it just displays the first frame and then you hear the audio running. If i then right-click on mpc-hc it brings up the main menu, and the video displays and sort of 'catches up'.. Also if i move the cursor to the thinkpad screen (primary) and activate another window the video will freeze again on the tv. This has been so with the versions from the last month or so. makes it a little hard to use the pc for other things while something is playing... The 0.79 version of madvr caused massive dropped frames untill i increased the CPU and GPU queue sizes manually?? Right now using madvr 0.79 mpc-hc 1.5.3.3887 best regards Jesper |
7th December 2011, 10:31 | #11307 | Link |
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fairchild, Andy O,
this Full/Limited RGB having no difference reminded me of a problem in ATI drivers that was present an year or so ago ... when I was still using ATI/AMD card (I've switched to NVIDIA around that time). Since the problem was/is in the drivers the only thing that I could do to avoid it was using a DVI output instead of HDMI. Luckily my card had two DVI outputs + HDMI + VGA so I was able to connect both my LCD Monitor and my projector (via a DVI-HDMI dongle) to DVI outputs and have real Full RGB output on both. fairchild, do try this just to be sure that your is really not capable of receiving full RGB.
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7th December 2011, 10:49 | #11308 | Link |
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interesting... i put up the philips TV over DVI this time, i still dont see 0-16 in my test video if i set madvr to 0-255, but i can see all fields in the lagos lcd test picture from 1 onwards. If i set madvr to 16-235 in this configuration i can even see 0-16... same behavior i have when i set the CCC to ycbcr 4:4:4 when its connected over hdmi...
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7th December 2011, 11:03 | #11309 | Link |
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For the record, if your TV/HTPC is properly configured, you are not supposed to see 0-16, because all usual movie content is 16-235.
What madVR does if you set it to 0-255 output is simple - it "expands" the 16-235 input to 0-255, which means all the 0-16 and 235-255 information is lost, but thats OK, as its not supposed to be used in movie content.
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LAV Filters - open source ffmpeg based media splitter and decoders |
7th December 2011, 11:29 | #11310 | Link |
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what do you mean with properly configurated? i was under the assumption that you shouldnt see the 0-16 with correct brightness settings, but if you raise the birghtness high enough, you should see it at least on test videos. At least this is what some calibration tutorials say, regarless that movies are in 16-235
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7th December 2011, 13:18 | #11311 | Link | |
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Quote:
QB
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7th December 2011, 13:37 | #11312 | Link | |
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If you output "Extended" or "Full" RGB, you should never see any 0-16 lines when you play a test video with madVR, or something is improperly configured. You should see 16-235 (i usually can see 17-234, the two extremes are sometimes indistinguishable, and only become visible while losing detail on the other end of the spectrum)
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LAV Filters - open source ffmpeg based media splitter and decoders Last edited by nevcairiel; 7th December 2011 at 14:42. Reason: Typos |
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7th December 2011, 16:35 | #11314 | Link | |
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Quote:
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7th December 2011, 17:16 | #11315 | Link |
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doesnt this tutorial come to the same conclusion? it's a tutorial to get BTB & WTW, the same thing i want. But interesting that he cant get it with his 5770, the same series i have... maybe it's the gpu and not the TV in the end...
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MadVR 0.92.9 x64, MPC-HC, LAV 0.70.2, GV-N1060G1 GAMING-6GD @ 385.41, LG OLED65B7D, Denon AVR-1912, Windows 10 Pro 1709 x64, i7-6700k Last edited by Skwelcha; 7th December 2011 at 17:44. |
7th December 2011, 18:41 | #11316 | Link |
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I have a 5770, and I can get BTB & WTW, as long as I set the madVR input to PC Levels. This is only done to test, it is not the setting to use for standard playback... so it's not the card
QB
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Last edited by QBhd; 7th December 2011 at 18:44. |
7th December 2011, 19:54 | #11317 | Link |
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My current setup is:
LG TV (High black level) ATI 6450 (Full RGB) MadVR (PC levels) I get flashing bars from 17-234 with a test video. 16 is black and 235 is white. Everything that gets fed to MadVR is 'as is' YV12 / NV12. I was under the impression that this is exactly what I would want, ie I'm not supposed to see anything below 16 or above 235 if it's set up correctly. But reading all this confusion and I don't know any more lol. Seems like no-one else knows either |
7th December 2011, 20:13 | #11318 | Link |
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That's the setup... BTB & WTW are not needed or wanted for video playback. Using 0-255 tests are only to see if your viewing device (TV or Receiver) can accept Full RGB once the signal gets out past the GPU.
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7th December 2011, 20:20 | #11319 | Link | |
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7th December 2011, 20:54 | #11320 | Link |
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That's not a levels test though, that's more like a banding test. But there should be levels tests in the same page.
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direct compute, dithering, error diffusion, madvr, ngu, nnedi3, quality, renderer, scaling, uhd upscaling, upsampling |
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