Where could I procure a device with similar functionality to pic related?
>>61053892
But then how will I get the video signal out?
>>61053932
which way did you wanna go
>>61053689
aliexpress
probably not all in one box because it's a really weird use case, you would want to plug
https://www.aliexpress.com/item/Cabletime-High-Premium-Displayport-to-HDMI-Cable-Male-to-Female-Converter-4k-2k-1080P-Support-Audio/32713343926.html
into
https://www.aliexpress.com/item/2016-Hot-Sale-Mini-V1-4-3-Port-HDMI-Switch-Switcher-HDMI-Splitter-HDMI-Port-for/32672647495.html
into possibly an hdcp-stripping splitter depending on your hdmi device and the next device's unlabeled features
into https://www.aliexpress.com/item/High-Quality-HDMI-to-VGA-Adapter-Male-To-Famale-Converter-Adapter-1080P-Digital-to-Analog-Video/32756145343.html
into https://www.aliexpress.com/item/1M-Jack-TO-2-RCA-Audio-Adapter-Cable-for-iPod-Mp3-Mp4-Player-Mobile-Phone-Male/32694519961.html
the good news is that only the stripper is powered and it may not be required, so you can cram the whole mess into a project box and have it look decent if you put effort in