Full Screen HDR Video playback with extremely pale color and dark image using AMD CPU and MadVR output

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Full Screen HDR Video playback with extremely pale color and dark image using AMD CPU and MadVR output Empty Full Screen HDR Video playback with extremely pale color and dark image using AMD CPU and MadVR output

Post by mteechan Tue Nov 02, 2021 8:43 am

CPU: AMD Ryzen 7 5800H
GPU: Vega Graphics
OS: Windows 10 20H2/21H1 (Also in Windows 11)
Windows HD Color / Windows HDR: On
Output - DirectShow Video: madVR

The problem only occurs when in full screen. The color and brightness become normal in windows mode, or full screen mode when there's anything over the video canvas, such as right-click menu, seek bar, etc.

mteechan

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Post by Admin Tue Nov 02, 2021 10:46 am

Some settings to try:
1) Enable fullscreen exclusive mode in madVR settings
2) Change hardware decoding setting in LAV Video Decoder from DXVA2 native to DXVA2 Copyback

If that doesn't work, I will give additional suggestions.

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Post by mteechan Tue Nov 02, 2021 12:59 pm

Admin wrote:Some settings to try:
1) Enable fullscreen exclusive mode in madVR settings
2) Change hardware decoding setting in LAV Video Decoder from DXVA2 native to DXVA2 Copyback

If that doesn't work, I will give additional suggestions.

I tried both but neither worked. Here are 2 pictures I took with exact settings. Both are set to maximum screen brightness, one is window mode and the other full screem mode.
Full Screen HDR Video playback with extremely pale color and dark image using AMD CPU and MadVR output C75a2910
Full Screen HDR Video playback with extremely pale color and dark image using AMD CPU and MadVR output 9aab4310

mteechan

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Post by Admin Tue Nov 02, 2021 5:11 pm

Open madvr settings and look at the devices list.

If any of the devices are duplicated (a bug on Windows 11), then right-click on the duplicate entries to remove them.

Then look at "identification" page of your output device. Check if "hdr formats" has a value other than "none".
Then look at "properties" page. Set native display bitdepth to 10bit or higher.
On the "hdr" page, select "passthough HDR to display". Now test playback.

If it still doesn't work, then you could select "tone map HDR using pixel shaders" as a solution. Then madvr will handle the HDR tonemapping instead of your TV/Monitor.

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Post by mteechan Wed Nov 03, 2021 2:45 am

Admin wrote:Open madvr settings and look at the devices list.

If any of the devices are duplicated (a bug on Windows 11), then right-click on the duplicate entries to remove them.

Then look at "identification" page of your output device. Check if "hdr formats" has a value other than "none".
Then look at "properties" page. Set native display bitdepth to 10bit or higher.
On the "hdr" page, select "passthough HDR to display". Now test playback.

If it still doesn't work, then you could select "tone map HDR using pixel shaders" as a solution. Then madvr will handle the HDR tonemapping instead of your TV/Monitor.

Set native display bitdepth to 10bit or higher.

Only this one worked, thanks!

mteechan

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Post by Admin Wed Nov 03, 2021 10:25 am

Good to hear it is working!

Does the "identification" page say your device is 8-bit? Or is the value unknown?

In the Windows display settings, check if the output is also set to 10-bit (or 12-bit). It might be 8-bit, which could explain why madvr auto detection did not work properly.

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Post by mteechan Wed Nov 03, 2021 2:39 pm

Admin wrote:Good to hear it is working!

Does the "identification" page say your device is 8-bit? Or is the value unknown?

In the Windows display settings, check if the output is also set to 10-bit (or 12-bit). It might be 8-bit, which could explain why madvr auto detection did not work properly.

Yeah, the madVR identification page says 8 bit. The Windows display setting recognizes 10 bit, otherwise it won't let me enable HDR mode.

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