More > JRiver Media Center 32 for Windows
JRVR issues with HDR Passthrough [All these fixed with build 55]
Manni:
--- Quote from: Hendrik on June 01, 2024, 04:08:38 am ---To be clear, if you either don't change refresh rate, or HDR is already enabled beforehand, it 100% works for you?
I have been looking into enabling HDR earlier if the video is actually flagged HDR in the Media Center library (because that would be before we even open the file to check, Library is all we got), to avoid some issues with breaking HDMI audio streams for some people. Maybe doing HDR before refresh rate would help. Or in fact sort of "at the same time" (although not really, Windows display mode changes are stupid and don't let you combine settings).
--- End quote ---
Sorry for the late reply, I was busy most of the day and wanted to do some tests before replying.
1) Disabling the refresh rate change doesn't always help. Even with it off, I frequently get no metadata with JRVR.
2) Enabling OS HDR manually always help. I never get empty metadata if I do that before playback.
3) This never happens with madVR. madVR always sends the correct metadata in HDR passthrough, irrespective of the OS HDR state.
4) Although it might help others, I don't use the JRiver database as I only use MC as an external player for CMC (and that's not going to change as there are too many limitations when using the JRiver front end for my use), so unfortunately not an option or a solution for me. Ideally you want to figure out what's wrong and resolve it for the player.
So currently the only workaround for me remains to switch OS HDR on manually, which really isn't usable as I frequently switch between SDR and HDR content.
SamuriHL:
Hendrick, I really think trying an order change to see if that helps. I.E. HDR on first, then mess with the refresh rate. I have a feeling it could change the equation.
Manni:
--- Quote from: SamuriHL on June 01, 2024, 01:22:52 pm ---Hendrick, I really think trying an order change to see if that helps. I.E. HDR on first, then mess with the refresh rate. I have a feeling it could change the equation.
--- End quote ---
As explained above, this might help others but it won't help me as this relies on getting the HDR flag from the JRiver database, which I don't use.
However, hang on, I decided that I should try rebooting my PC in case something was hosed and it looks like it might be working now. I need to rerun the tests.
Which driver version are you on, and on wich OS?
Manni:
Nope, it was a fluke. Still only working relialy for me if OS HDR is enabled manually beforehand.
SamuriHL:
546.65 like you (I just reverted a couple days ago based on the doom9 thread). Windows 11 which just updated itself to 24h2 but I doubt anything's changed with that.
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