High Refresh rate displays (>60Hz) and Netflix/Amazon Video (DRM content) on Windows 10 cause stuttering

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Sorca1337

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Hi,

first, let me give an overview of my hardware setups:

#1: Asus FX502VM Laptop: i7-7700HQ, 16GB DDR4, GTX 1060 (3GB), Windows 10 Pro and Ubuntu 18.04 LTS

#2: Desktop: i5-4670k, 16GB DDR3, GTX 1070Ti (also Radeon HD 7790 for testing purposes), Windows 7

#3: Desktop: Ryzen 5 2600, 16GB DDR4, GTX 1070Ti (also Radeon HD 7790 for testing purposes), Windows 10


Displays for all 3 machines:

  • Asus VQ248QE (144Hz, also tested with 120Hz, 100Hz and 85Hz in all scenarios)
    • connected to machine #1 via DisplayPort, to machine #2 and #3 via DVI-D cable.
  • AOC 2343F2 (60Hz)
    • connected via HDMI to all machines


Here goes:

The following happens when I'm viewing DRM protected content (Netflix, Amazon Video), when there is no browser tab with netflix/amazon video open, there are no issues at all.

Whenever I have a display with a refreshrate of more than 60Hz connected, i get periodic stutters (pretty much every second).

This is especially noticable when moving the mouse across the screen (either one), the cursor just freezes for maybe a 10th of a second and jumps forward and runs smoothly until the next lag, a second later, happens. It's also noticable when paying attention to the video being played having periodic lags every second.

This happens if I connect only the 144Hz display or both displays together. If I use only the 60Hz display, there are no lags at all.

Also I tested with the following browsers: Edge, Chrome, FF, Opera and the Netflix Windows 10 App.


It seems that this is a Windows 10 specific Problem. Since I dont have these Problems on machine #2 with Windows 7 and machine #1 with Linux. To eliminate the problem being related to the GPU manufacturer I switched my 1070Ti for an old HD7790 and got exactly the same issues.


So, now I'm pretty much done on my end, I hope somebody on here might have a solution/idea on how to fix the problem or someone from the Microsoft team might forward this to some developers who could handle this.


Cheers,

Dominik

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