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Beginners' Guide to madVR HDR

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flaviowolff:

--- Quote from: tij on July 17, 2020, 12:53:16 pm ---
[measure each frame peak luminance] - this is for information only when you press CTRL+J


--- End quote ---

I believe this is incorrect. The option employs some kind of dynamic tonemapping (per-frame compression)

From Doom9 Forums @asmodian's guide: "measure each frame's peak luminance: [Disabled] Allows madVR to only compress highlights as much as necessary on a per frame basis resulting in more detail in highlights."

I toggled the option on and off (by pressing Apply) and could clearly see the difference on highlights. Also, it works fine with DXAV2, in contrary of that madvr states next to the tickbox.

Bombadilio:
This solved a lot of my problems. Out of curiousity, I am also using SVP + AVISynth +MadVR -Reclock.

Oddly I can't tell if SVP is activated. Have you guys used SVP as well? Would be great to know if its working or not.

icstm:
Thanks for the guide.
What the minimum specs to get the dynamic tone mapping to work real-time?

If I understand correctly, tone mapping has to use (a lot) more CPU than a normal hardware accelerated video path (h264/5 with d3d11-cb or dxva2 or NVDEC).

tij:

--- Quote from: icstm on December 17, 2020, 11:55:39 pm ---Thanks for the guide.
What the minimum specs to get the dynamic tone mapping to work real-time?

If I understand correctly, tone mapping has to use (a lot) more CPU than a normal hardware accelerated video path (h264/5 with d3d11-cb or dxva2 or NVDEC).

--- End quote ---
My understanding is tone mapping is GPU shaders. I run 1070 and its doing fine. Higher spec will allow you to select more options.

heavydutyrudi:
Thanks for this - I now have a better understanding of what's going on with HDR and have played around with the Nit settings and get good all round performance with everything from old Dr Who vids in 640 x 480 up to Black panther in 3840 x 2016.

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