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I've noticed I can't take screenshots of videos in Star+. When I paste whatever I tried to shot, it comes all black (subtitles however are visible). After some research, I found out it happens with other streaming services as well. It looks like some DRM technology to avoid copyright infringement.

Since the video is presented on a browser, I'm not sure how these technologies work. Does anybody know?

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  • duplicate? stackoverflow.com/questions/63175756/…
    – foreverska
    Mar 31 at 19:30
  • @foreverska yes, it's the same question, although it doesn't feel like a proper SO question to me. Besides, the question is not properly answered there (as pointed out by a commenter). They simply cited the technologies behind the feature, never explaining things like how the right image pixels are detected, how the browser intercepts the Print Screen key, etc. This is what I expect as an answer here.
    – sourcream
    Mar 31 at 20:49
  • I believe some of this is at the OS level. To get around it, run inside a virtual machine, and take the screenshot from the OS hosting the virtual machine.
    – pcalkins
    Mar 31 at 23:46
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    Sure, for when DRM becomes a security concern.
    – schroeder
    Apr 1 at 11:49
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    @schroeder I learned there are some ways to circumvent DRM to allow screenshots. Changing the question to "how does X bypass DRM" would turn this question on-topic?
    – sourcream
    Apr 2 at 10:46

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