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28th March 2019, 18:53 | #55541 | Link |
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I just updated that info here:
https://forum.doom9.org/showthread.php?t=176013 419.67 GRD 2019-03-25 stuttering issues 419.67 CRD 2019-03-20 stuttering issues 419.35 GRD 2019-03-05 stuttering issues 419.17 GRD 2019-02-22 418.91 GRD 2019-02-14 NO stuttering issues Did anyone test 419.17 about the stutter issues? |
28th March 2019, 20:20 | #55543 | Link |
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You have to select the GPU in LAV Video settings with D3D11 set. That will force copy-back. Not selecting the GPU selects Native.
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28th March 2019, 20:35 | #55544 | Link | |
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But I thought that even if you select native, that enabling certain features in madVR like some HDR to SDR tone mapping settings (restore highlight details?) and such would automatically force madVR into copy-back mode. Is this simply incorrect? You are suggesting that if I have Automatic (Native) selected that it will never go into copy-back mode no matter what processing settings in madVR I choose? I was always under the impression that D3D11 in madVR could auto-switch when needed. I just want to be able to "tell" when I am no longer in native mode. |
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28th March 2019, 20:48 | #55545 | Link |
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No, madVR features that require copy back simply do not work when using native. There is no automatic switch.
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28th March 2019, 20:53 | #55546 | Link | |
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Is there a way to know what features need copy-back to work? Other than trying to determine if your video looks like it changed when toggling a feature? |
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28th March 2019, 21:28 | #55547 | Link |
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madVR features that don't work with DXVA/D3D11 native are: IVTC; black bars detection.
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28th March 2019, 21:32 | #55548 | Link |
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Also the measure frame brightness for HDR tone mapping.
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28th March 2019, 21:35 | #55549 | Link | |
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I am certain that for DXVA (Native) vs. DXVA (copy-back) that under devices -> hdr the dropdown called (highlight recovery strength does not work in DXVA (Native), but it does work in DXVA (copy-back). You are saying it should work in D3D11 Native? https://i.postimg.cc/K8B4fVWf/hdr.png *EDIT* you beat me. |
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28th March 2019, 22:29 | #55550 | Link |
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Nope, I also thought that before and it may have been the case at some point in the past, but all the HDR features now work with DXVA native. You can check easily with ShowRenderSteps.
Luminance measure has to work because madshi himself recommends D3D11 native for the standalone measurement tool. Highlights recovery is also easy to check even without ShowRenderSteps because it uses quite a lot of processing power (at least on my GPU )
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28th March 2019, 22:36 | #55551 | Link | |
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29th March 2019, 00:34 | #55552 | Link |
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Hi all.
Having a bit of trouble with judder in certain circumstances. I have two HDMI outputs from my HTPC. One from an Nvidia RTX2060, which goes to a pre-pro and then to the TV, and the other from the on-board Intel 630 video which goes direct to the TV. VLC plays video without judder through either route to the TV. But with MPC-BE and MadVR, judder is present, but only when using the Intel video output. MadVR is set for pretty low performance. I have attached two snips, one for the Nvidia and the other for the Intel. I see that the only difference is in the rendering rate, the Nvidia being three times faster than the Intel. Could this be the cause of the judder? The Nvidia card is new and I hadn't noticed judder on the Intel card beforehand. Ideally I want to be able to use MPC-BE for both outputs and have the capacity to upscale the many old DVD movie rips we have with MPC-BE, and for MPC-BE to work smoothly with the Intel output. You might ask why do I need both outputs. Well, my wife prefers minimal engagement with the system. Turn it on and press play - hence Intel straight to the TV. However, I am prefer to enjoy the full surround sound experience and the quality of the MadVR upscaling, even if it requires more action on my part. The only alternative I can see is changing the default player to VLC for my wife and then manually opening files in MPC-BE when I want to watch something. Any suggestions on how to resolve? Cheers, Allan Nvidia Card: https://1drv.ms/u/s!Ajkfvd4XPdI2iNx1jOLe-dF0TCtLZQ Intel Video: https://1drv.ms/u/s!Ajkfvd4XPdI2iNx2hHmZmg_1Q1T9yg ................................................................. edit: It appears that the judder was present because MadVR wasn't able to change the refresh rate to match the source with Windows doing the cloning of the displays (the AVR and the TV). I have resolved this problem by using two outputs on the nvidia GPU, rather than one on the nvidia and the other on the Intel GPU. One goes via the AVR to the TV and the the other goes direct to the TV. This way nvidia controls the 'cloning'. I have set it up in the Nvidia control panel so that the AVR is the source of the clone when both routes are active. When the AVR is switched on I am able to play a video with MPC/MadVR through the AVR to the TV and the refresh rate is able to be switched to match the source, but not HTPC-TV direct. If I turn off the AVR then MPC/MadVR is able to switch the refresh rate HTPC to TV direct. :-) This may be possible in Windows but I haven't checked - very easy to setup in nvidia control panel. Only downside is that I can't play UHD discs on my HTPC but this is a non-issue given that the licencing controls keep screwing things up and I have a BSOD more often than not. It is just not worth the trouble - just bought a Panasonic player for $250, works like a charm. Last edited by fourbigkids; 5th April 2019 at 02:12. Reason: update |
29th March 2019, 01:14 | #55553 | Link |
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Having trouble posting images from url. I'll try again:
Nvidia: Intel: https://1drv.ms/u/s!Ajkfvd4XPdI2iNx2hHmZmg_1Q1T9yg Edit Nah. Screw it. Not working. |
29th March 2019, 01:34 | #55554 | Link |
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How fast is the Intel GPU in ms? What framerate video are you playing?
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29th March 2019, 02:05 | #55556 | Link |
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Yes, the Intel GPU is too slow for your settings. A single 23.976 video frame is only displayed for 1000/23.976 = 41.70833 ms. This means you need the average rendering time to be below 41 ms, and there also needs to be some extra so I would target something lower, low enough madVR stops reporting dropped frames. Higher frame rates need to be rendered even faster.
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29th March 2019, 06:30 | #55558 | Link | |
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direct compute, dithering, error diffusion, madvr, ngu, nnedi3, quality, renderer, scaling, uhd upscaling, upsampling |
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