Comment on Roku explores taking over HDMI feeds with ads
deur@feddit.nl 5 months ago
Does nobody in this thread know about HDCP? This wouldn’t fly at all.
HDCP signal is decoded by the TV before being displayed on the screen. The TV has complete control over what is shown to you.
Don’t get it wrong: HDCP was not made to protect user interests, but specifically for the publisher and display device OEMs who subscribe to it.
Can you elaborate? I thought hdpc was mostly about preventing piracy type of things, what does it do for this situation?
It (in theory) prevents signal tampering of any kind, which would include injecting advertisements into the stream.
Have you heard of the analog hole? Or wondered how your TV can display things like volume changes over the program you’re watching?
getynge@lemmy.world 5 months ago
They’d be doing this change on their TVs, in principle this would be no different from displaying the settings menu that comes up when you press the * button, no tampering of the HDMI signal required. HDMI inputs are their own “channels” in the UI so it’s pretty trivial to put ads on the screen periodically when one such channel is open.