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12th October 2020, 17:45 | #60341 | Link | |
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I have/had the problem where WP gets lower (resulting in warmer image) than desired. I guess I'll give it another try. Excellent question, I'm not sure, but I guess so if it works that way in a normal window.
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12th October 2020, 23:12 | #60342 | Link | |
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For Oled, anything related to white is probably ABL . Specific to what I was refering to is that if you don't set a custom tonecurve in the calibration tab, the 3dlut sometimes doesn't adapt to the white point selected <in the calibration tab>
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13th October 2020, 00:05 | #60344 | Link | |
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I'll continue to play as you suggested and come back with more questions if needed. |
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13th October 2020, 00:42 | #60345 | Link | |
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I did some testing a long time ago, when 10 bit was still pretty new, and it did seem to change to 10 bit in 10 bit mode (dithering off for testing). I didn't feel it was totally conclusive but full 10 bit throughout the chain always feels a little bit uncertain. I also recommend embedding the same 1DLUTs into madVR's 3DLUTs as you normally have loaded, better all around with no downsides I know of.
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madVR options explained Last edited by Asmodian; 13th October 2020 at 00:54. |
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13th October 2020, 19:17 | #60346 | Link |
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ABL is not an issue on Oled either (you can disbale it/them in Service Menu), especially with low nits SDR (100-150nits).
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15th October 2020, 16:15 | #60347 | Link |
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oddly, ABL is called local dimming on my 2015 OLED, I checked it again yesterday to make sure it was off, with it on I would get constant full page dimming in web pages, nothing in movies though.
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18th October 2020, 02:02 | #60348 | Link |
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So I was surprised to learn that mpv has been supporting G-Sync for quite a while now. I installed it and sure enough, it works on my 65C9. It seamlessly switches refresh rate without blanking the screen, basically what HDMI 2.1's QMS is supposed to do. There's even an old post (from 2017!) at blurbusters saying it works with VFR video. Has there been anything on madVR supporting it since VRR got more mainstream with the newer TVs? I can't find anything about it, but I remember years old posts asking for it and madshi (IIRC) saying it wasn't feasible at the time.
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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; 18th October 2020 at 02:05. |
18th October 2020, 10:23 | #60349 | Link |
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Can someone help me with potplayer&madvr. When I watch movies with HDR the picture looks too dark somehow. Like not by much.
Like for example I watched a Batman Returns 4k scene on youtube with HDR on(in windows settings) and it looked brighter than my file on potplayer&madvr. Like on youtube you could see the texture on batman cape and sharp detailed hair on Michael Keaton but on my player it has big dark tones where these details should be. With the potplayer control panel I can't adjust the video settings like birightness, contrast, etc. It doesn't affect the picture with madvr active. Is there somewhere a setting on the madvr settings/or potplayer settings where I can bright the picture up? And by how much? Thank you! |
20th October 2020, 14:27 | #60350 | Link |
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@Andy o that's fantastic news, and I hope that's the future of media playback on any platform including the PC. This is also the ideal way of finally getting rid of dropped/repeated frames in any scenario and with any config.
I am very interested in that feature but haven't seen any news either on that front in madVR since the last time madshi talked about G-Sync. I hope with VRR becoming mainstream the Envy will adopt it too and we will be able to test that in madVR. Ideally at one point there should be a standard API in Windows that any foreground app can use to dynamically and seamlessly match the display refresh to its content and we can run VRR all the time.
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20th October 2020, 16:16 | #60352 | Link | |
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So these settings only change the picture of video/files without hdr. For files with hdr I could turn up the brightness and nothing happens. Even in the madvr settings in 'color&gamma can put brightness on 100 and nothing happens to the hdr picture. It's interesting. I put my 4k bluray of Blade Runner 2049 in my XboxOne and paused in one of the city light scenes while playing a 4k file of the same movie/same scene in potplayer with madvr. I wanted to see if there are significant differences. And there were none. I'm still learning about HDR and my Optoma projector. Maybe I have to play with the projector settings but I find it strange that the settings on potplayer/madvr won't affect the hdr on the player itself. |
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20th October 2020, 20:45 | #60355 | Link | ||
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I think the level of precision madVR could achieve would still be a great experiance but it is a lot of work to develop and test. Has anyone analyzed MPV's output? No apparent frame timing issues?
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madVR options explained |
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21st October 2020, 00:44 | #60356 | Link |
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What is your tv? Do you watch SDR at 100 nits or higher?
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21st October 2020, 05:54 | #60357 | Link |
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Composition rate - 1080p vs 4k
So under DISPLAY MODES I set the value to allow the video to sync up when entering full screen.
In the box below, where it allows you to enter resolutions to switch to, I tried putting in 2160p23, and 3840x2160p23. Neither worked when trying to play a 1080p file - so I tried 1080p23 and it worked. Shows the composition rate at 23.976 even though the actual refresh rate isn't exactly that. So that is good! Then I tried to play a 4K mkv file - and it does NOT show the composition rate at 23.976... the composition rate matches the refresh rate of the screen. What did I do wrong? How can I get the 4k file (playing on a 4k screen) to have the 23.976 composition rate? Is the proper line 4k23 or something like that? |
21st October 2020, 06:03 | #60358 | Link |
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the correct way to use it is to add only native resolutions like this:
2160p23, 2160p24, 2160p50, 2160p59, 2160p60. the composition rate is unrelated to this the player has no way to change that it the rate the desktop runs at and it a little bit buggy in win 10. what is the screen even can it even do 23p? |
21st October 2020, 09:42 | #60359 | Link |
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I tried mpv and it was switching frame rates, and I didn't do any fancy analysis, but I did see a few stutters, so it's not perfect. Besides, as a player, it's not really too useful for me cause it appears to not be able to bitstream higher than legacy multichannel audio. From what I can tell it's more like a proof of concept for our purposes, but I was surprised to be just hearing about it after at least 3 years that it was reported to work. Someone at AVS Forum mentioned it just off the cuff and I went googling.
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direct compute, dithering, error diffusion, madvr, ngu, nnedi3, quality, renderer, scaling, uhd upscaling, upsampling |
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