this post was submitted on 17 Jun 2025
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[–] solrize@lemmy.ml 5 points 1 day ago (2 children)

can't stop us from HDMI capturing

Look up HDCP.

[–] rumba@piefed.zip 2 points 1 day ago

I break HDCP right now. Those keys have been leaked for AGES. $10 amazon HDMI copy in between your videocard and the capture.

[–] cmnybo@discuss.tchncs.de 15 points 1 day ago (3 children)

There are HDMI splitter boxes you can get from China that conveniently strip out the HDCP.

[–] solrize@lemmy.ml 1 points 1 day ago* (last edited 1 day ago) (1 children)

strip out the HDCP

Interesting, I had figured that was possible in principle but hadn't kept up with what was actually around.

But still, the HDCP stream is decompressed video, so if you want to save it, you'll have to either put it through yet another layer or lossy compression, or burn a ridiculous amount of disk space compared to the compressed stream that Youtube sent to your computer.

We'll see how things go. Google in the past has made occasional modest gestures to get in the way of downloading, but they haven't made serious effort to prevent it. Who knows whether that will last.

[–] cmnybo@discuss.tchncs.de 1 points 22 hours ago

It's certainly not an ideal solution, but it's an option that will usually work.

[–] RedditIsDeddit@lemmy.world 4 points 1 day ago (1 children)

it's not hard to do it yourself either

[–] trevor@lemmy.blahaj.zone 2 points 1 day ago (1 children)

How would one DIY HDCP stripping? I've never looked into this.

[–] RedditIsDeddit@lemmy.world 3 points 1 day ago

Open PassDCP software is one method, or you can obtain a splitter that strips hdcp

[–] Lv_InSaNe_vL@lemmy.world 2 points 1 day ago

They aren't fool proof, and relatively easy to detect from the source.

Source: high end AV tech for like half a decade