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Hi

I managed to get Geforce 3070 which replaced my Radeon 580.

I have it connected to Samsung Q70R. With Radeon 580 I haven't had any issues with madvr in SDR or HDR (all perfect in my opinion).

It looks like HDR with Geforce 3070 is hard to do due to driver issues. I get the following issues:

1) Switch on Mediaportal 1.27

2) Play SDR content - all good

3) Play HDR content - all good; HDR switches on on the Q70R

4) Play SDR content - all colors disturbed

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5) Play HDR content - all good

If I restart Mediaportal - SDR is OK until I play HDR, then it starts again. Basically once I play HDR I need to restart Mediaportal to play SDR content.

I can't imagine myself not using Mediaportal (been using more than 10 years), so if I can't solve this I will return Geforce 3070 and put back Radeon 580 (I like Mediaportal that much).

My settings:

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Same SDR playback issues after HDR also happen on DXVA2 (copy back) and DXVA2 Native.

Madvr settings:

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how many video frames are presented in advance = "1" sorts out micro stutter on Geforce RTX GPUs according to some posts on Doom9's Forum - Powered by vBulletin. Generally people say that they manage to get the HDR playback sorted with MPC in full-screen fine in Geforce RTX GPUs but Mediaportal is different...

Can anyone help me pls? I'm guessing here but it seems like madvr is not properly disabled after playing HDR in Mediaportal on Nvidia card? Or maybe some madvr settings need adjusting? I have spent close to 12 hours on this but can't solve this issue