Preview can't take streaming vid snapshots anymore

[dandeco]

I noticed that apparently on the latest updates of Mozilla Firefox and Google Chrome for some time, I can't take snapshots from video streaming websites using Preview anymore. They just come out all black. Is this some new anti-piracy feature Mac OS has been implementing? It's annoying, because I do this a lot for showing screencaps from shows and movies on social media and my blog. I can't take video footage using Screenflow, either; it comes out black.
Or is this just a Mac OS display issue, or is there another application I can use for it?

 

[bogdanw]

Take a screenshot on your Mac https://support.apple.com/kb/HT201361
Take screenshots or screen recordings on Mac https://support.apple.com/guide/mac-help/take-a-screenshot-or-screen-recording-mh26782/mac
Related thread https://forums.macrumors.com/threads/screenshot-of-videos-blank.2365601/

 

[dandeco]

Tried the Screenshot feature and it didn't work. This is what they come out looking like...

I suspect its a DRM block feature or something...

 

[kitKAC]

Yep, that's DRM.

 

[bogdanw]

To test if it's DRM, does it happen on free pages as well?
https://watch.boomerang.com/watch/38/12

 

[dandeco]

To test if it's DRM, does it happen on free pages as well?
https://watch.boomerang.com/watch/38/12
View attachment 2100259

Yeah, it does. The newest version of Firefox added a DRM plug-in that is required when watching video on such sites.
BUT... I disabled Hardware Acceleration on Chrome on my M1 MacBook Air, and now I can take screencaps from video streaming sites on it again!

I guess this means I can go back to using Chrome for such screencaps now instead of having to use Firefox for a while.