How can certain sites and services block you from taking screenshots or sharing screens?

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For example Netflix doesn’t allow to take screenshots, and in discord if you try to screen share the window is black.
I’m sure that other sites do it as well.

In: Technology

15 Answers

Anonymous 0 Comments

As someone who toys with various display outputs, the issue is likey HDCP. To have an HDCP compatible device the screen cannot be shared any way due to encryption. So in the unlikely event that you hook up a non HDCP device to a computer and play Netflix you will see a black screen. I have hooked up devices like TV input capture cards to play a computer through and get this problem.

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