View source for Tips for HDR metadata passthru with MadVR

* "use the 32bit version of MPC-HC" <ref>[https://www.avsforum.com/forum/26-home-theater-computers/2880609-madvr-hdr-passthrough-isn-t-working.html#post53951153 06-29-2017, 11:47 AM - lunnar, Member]</ref>
** "No it doesnt matter, I'm using the 64bit version of mpc / madvr and lavfilters. HDR is working perfectly"<ref>[https://www.avsforum.com/forum/26-home-theater-computers/2880609-madvr-hdr-passthrough-isn-t-working.html#post53953065 06-29-2017, 01:21 PM - kwhite666]</ref>
* "Windows 10 Creator's Update there's a new option in the OS display settings dialog named "HDR and Advanced Color". If you turn this option off, your TV will always be in switched into SDR mode"
** "Nvidia comes to the rescue of all HTPC users who want perfect quality for both SDR and HDR content: Nvidia's private HDR API allows madVR to dynamically switch the TV into and out of HDR mode, as needed." 
** "E.g. with Nvidia driver 376.33 dynamic HDR switching works perfectly fine in Windows 10."
** "or all Windows users who want to do both SDR and HDR playback in perfect quality, I can only recommend Nvidia GPUs, because only Nvidia's private API allows madVR to dynamically switch the TV between SDR <-> HDR. I'm talking to Intel, maybe they will add a private API, too. Unfortunately my AMD contacts have gone silent." <ref>[https://www.avsforum.com/forum/26-home-theater-computers/2880609-madvr-hdr-passthrough-isn-t-working.html#post53958305 06-29-2017, 01:59 PM - madshi - AVS Forum Special Member]</ref>
* "atm 4K HEVC decoding is a bit problematic. To get the best quality, right now you need to use DXVA copyback, and that costs serious amount of PCIe bandwidth. I suppose with 24fps content, PCIe 2.0 is probably enough, but it might not be a bad idea to go for PCIe 3.0, just to be safe." <ref>[https://www.avsforum.com/forum/26-home-theater-computers/2880609-madvr-hdr-passthrough-isn-t-working-8.html#post55152342 11-18-2017, 04:54 AM - madshi - AVS Forum Special Member]</ref>

== References ==

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[[Category:4K]]