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Old 3rd January 2019, 21:22   #54089  |  Link
tp4tissue
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Join Date: May 2013
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Originally Posted by tp4tissue View Post
Hey huhn..

I tried it just now, the process hdr using external 3d lut mode is not kicking the tv into hdr, whereas the regular passthrough mode DOES kick into hdr.

Is there something fundamentally different between the mode flags ?

The Madtpg which handled the patches did itself kick the tv into HDR during calibration.. So clearly something is odd.

is the meta data different, from the two settings ?

What causes the kick .

OK, i sort of fixed it, but now (more problems).

An old issue was windows did not detect my display properly, and it wouldn't let me set WCG mode .

I had it switch back and forth, and it is now detecting my display correctly, and allowing me to enable WCG in windows settings, (which kicks the display into hdr mode.


Prior, the madvr top readout would say NV HDR, 4:2:2 10bit, limited

NOW, it says, OS HDR, 4:2:2 10bit, limited

HOWEVER, NOW, the graphics card can barely run the video even through dxva. (maybe it's taking a loop through intel gfx ?)


Before I could use error diffusion, jinc chroma, now it's barely cutting the cheese with DXVA..

Render time 36ms, 5sec max 76ms..


So, really I'm back to square 1, because I can really only play the video through NV HDR,

But, the Tone map through 3dlut function, will not kick TV into HDR mode..

Why is the tone map mode not doing this..
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Last edited by tp4tissue; 4th January 2019 at 00:31.
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