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Old 12th February 2019, 16:55   #54693  |  Link
el Filou
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Join Date: Oct 2016
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For people with NVIDIA & HDR who have a way to test what the TV is receiving (with diag dongle or light meter), did you try changing the "SDR brightness" slider in Windows Settings to see if that changed the bogus metadata being sent to the TV?
It may be a bug with Windows making everything go through the SDR-to-HDR convertor.

Edit: another test: try playing some HDR file with Windows' own Movies & TV app to see if the metadata being sent is different from when using madVR. If yes, then MS may have added some HDR API available from UWP apps but not from Win32?
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HTPC: Windows 10 22H2, MediaPortal 1, LAV Filters/ReClock/madVR. DVB-C TV, Panasonic GT60, Denon 2310, Core 2 Duo E7400 oc'd, GeForce 1050 Ti 536.40

Last edited by el Filou; 12th February 2019 at 17:02.
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