It is connected to the hdmi splitter from the set-top box.
The splitter is connected again by TV and the other by Grabber.
The problem is that general broadcasting works normally, but the led doesn't work on YouTube and Netflix.
my device
raspberry pi 4
+arduino
+hdmi splitter (4k,hdcp, hdmi v2.0)
+hdmi usb grabber
+ws2812b
What's the problem?