I finally switched to duck duck go, not because of the AI push of google, but because of the constant nagging popups to download the google app. Just let me google things in mobile safari in peace!
Truly a great library. I have become so reliant on it, because I can basically have a guarantee that some complex process will run eventually, instead of manually catching and handling every error that might happen and write the 50th retry logic manually.
Then I'm afraid it's not possible. The reason the input switch takes so long is because of the HDID negotiation.
A video mixer acts as the source and sink for the output and the inputs respectively, where a HDMI switch will just physically disconnect and connect the output port to a different input port, meaning the HDID negotiation has to be re-done every time.