This is different, and doesn’t address screen recording.
HDCP uses three systems:[5]
Authentication prevents non-licensed devices from receiving content.
Encryption of the data sent over DisplayPort, DVI, HDMI, GVIF, or UDI interfaces prevents eavesdropping of information and man-in-the-middle attacks.
Key revocation prevents devices that have been compromised and cloned from receiving data.
It would stop someone from playing DRM content to an unauthorized TV, but does not mention anything about screen recording your own device. There are some built in protections for preventing an application from being recorded but I have no doubt there are bypasses
Maybe I’m not following but this seems to be talking about applications communicating with hardware designed to be authorized to play.
How would a video playing on a browser like YouTube on my existing, old hardware be able to parse what’s authorized? Short of making YouTube a program on my computer, how does it on a browser know what else I’m running?
You can try it. Or Try asking a friend/relative to screenrecord their netflix… its just black
I mean unless you literally take out a camera to record it… but then the video quality degrades since you aren’t gonna get a 1:1 from making a videotape of a screen.
It is often the graphics hardware blocking it in this case… disabling hardware decoding in the browser may ‘help’, if your CPU can handle it (you can still use hardware encoding, tho)
Netflix being an application that is running on a TV seems like a very different situation than a video playing inside of a browser. How exactly would YouTube know or be able to stop screen recording short of forcing me to actively run a program?
idk how they do it, but browsers have DRM built right into it, you can play a stream from netflix but if you try to record it, its just a blackscreen…
Youtube could implement the same thing… I mean Google literally made Widewine
Also, apparantly you also need Secure Boot and TPM enabled to get the full HD content, otherwise it runs on Widewine L3 instead which only displays content in Standard Definition… not HD.
From a quick google search, seems like you can disable hardware acceleration to record with OBS. Or you can use other dedicated software. And thats not even covering the bypasses that can likely be done on Linux
To add, you could always capture via the output video too, regardless of the DRM nonsense. Once it leaves the device in a format a display can present it, any device that can utilize that signal can record it.
I already just use screen capture recording to take videos in my desktop playing YouTube on a browser. Could they even stop that?
Yes: https://en.wikipedia.org/wiki/High-bandwidth_Digital_Content_Protection
This is different, and doesn’t address screen recording.
It would stop someone from playing DRM content to an unauthorized TV, but does not mention anything about screen recording your own device. There are some built in protections for preventing an application from being recorded but I have no doubt there are bypasses
Maybe I’m not following but this seems to be talking about applications communicating with hardware designed to be authorized to play.
How would a video playing on a browser like YouTube on my existing, old hardware be able to parse what’s authorized? Short of making YouTube a program on my computer, how does it on a browser know what else I’m running?
I mean that’s what DRM stops…
You can’t record it, its just a blackscreen…
You can try it. Or Try asking a friend/relative to screenrecord their netflix… its just black
I mean unless you literally take out a camera to record it… but then the video quality degrades since you aren’t gonna get a 1:1 from making a videotape of a screen.
It is often the graphics hardware blocking it in this case… disabling hardware decoding in the browser may ‘help’, if your CPU can handle it (you can still use hardware encoding, tho)
Netflix being an application that is running on a TV seems like a very different situation than a video playing inside of a browser. How exactly would YouTube know or be able to stop screen recording short of forcing me to actively run a program?
idk how they do it, but browsers have DRM built right into it, you can play a stream from netflix but if you try to record it, its just a blackscreen…
Youtube could implement the same thing… I mean Google literally made Widewine
Also, apparantly you also need Secure Boot and TPM enabled to get the full HD content, otherwise it runs on Widewine L3 instead which only displays content in Standard Definition… not HD.
The browsers implement the DRM protections. It will be black if you try to record.
You can also run Netflix in a browser
From a quick google search, seems like you can disable hardware acceleration to record with OBS. Or you can use other dedicated software. And thats not even covering the bypasses that can likely be done on Linux
To add, you could always capture via the output video too, regardless of the DRM nonsense. Once it leaves the device in a format a display can present it, any device that can utilize that signal can record it.
There’s always a million ways to skin the cat.
Nope
…and nobody wants that.
Me: “I’m curious why this evil dictator hasn’t enacted his evil plans yet?”
You: “Why do you support evil?”
So what are you trying to tell?