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JRVR Video Renderer
Manni:
--- Quote from: Movieman on July 23, 2023, 09:41:22 pm ---I have found that BT.2020 gamma 2.2 seems to work best for me on my RS3100. No LUT in use. No clipping on white or black, verified with test patterns. All PJ settngs default.
P3 gave me a darker image and clipped blacks as well I could improve with brightness / contrast adjustments in the NVidia CP.
--- End quote ---
Thanks, but as I said in my previous post just above yours, my issues were entirely due to a levels mismatch issue. With P3 / gamma 2.4, I get the expected picture and there is no need to make any adjustments anywhere. No shadow details loss and no highlights clipping.
I am using the native gamut in my rs3100 (profile off / filter on) as a baseline, which is tracking very close to P3 (I calibrate with a C6 profiled to an i1pro2), and gamma is calibrated to 2.4 precisely using an internal 1D LUT, so there is no doubt that these are the correct values here and that the software is working cas intended with the correct levels and matching settings. Now that the setup is correct, I’ll try a 3D LUT.
You can only use P3 if you use the native gamut or the DCI profile. If you haven’t measured your gamma, there is no way to know which one to use, as the factory presets can be significantly off if you haven’t autocaled them recently.
Very impressed with the DTM in JRVR in MC31 (build 36), it’s a huge improvement over the previous versions.
Movieman:
--- Quote from: Manni on July 24, 2023, 03:27:19 am ---Thanks, but as I said in my previous post just above yours, my issues were entirely due to a levels mismatch issue. With P3 / gamma 2.4, I get the expected picture and there is no need to make any adjustments anywhere. No shadow details loss and no highlights clipping.
I am using the native gamut in my rs3100 (profile off / filter on) as a baseline, which is tracking very close to P3 (I calibrate with a C6 profiled to an i1pro2), and gamma is calibrated to 2.4 precisely using an internal 1D LUT, so there is no doubt that these are the correct values here and that the software is working cas intended with the correct levels and matching settings. Now that the setup is correct, I’ll try a 3D LUT.
You can only use P3 if you use the native gamut or the DCI profile. If you haven’t measured your gamma, there is no way to know which one to use, as the factory presets can be significantly off if you haven’t autocaled them recently.
Very impressed with the DTM in JRVR in MC31 (build 36), it’s a huge improvement over the previous versions.
--- End quote ---
Good to hear. If you haven't run across these before https://drive.google.com/drive/folders/1m4IBq0euAxamL9ePgfdFuf8_5nLcRwHA there is some Test footage there that probably represents the worst case clipping scenario. It's in 09. Test footage.
Manni:
--- Quote from: Movieman on July 24, 2023, 10:20:25 am ---Good to hear. If you haven't run across these before https://drive.google.com/drive/folders/1m4IBq0euAxamL9ePgfdFuf8_5nLcRwHA there is some Test footage there that probably represents the worst case clipping scenario. It's in 09. Test footage.
--- End quote ---
Thanks, I haven't done any extended tests with tricky content yet, but I will now that JRVR is set up properly.
Nicog:
Hello,
Is it possible to explain how to use the new HDR functions in JRVR ? (wiki not updated yet...). With usecases for projectors would be great ;D
Wull:
--- Quote from: Nicog on August 15, 2023, 12:40:26 pm ---Hello,
Is it possible to explain how to use the new HDR functions in JRVR ? (wiki not updated yet...). With usecases for projectors would be great ;D
--- End quote ---
I second that. I would like to use JRVR-tone mapping for both an oled and projector, but keep going back to madVR because I'm not sure what settings to use.
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