Usb cameras and pc or mac built in camera switching system by Touchdesigner
You can now download the toe file.
It's includeing 3files.
videoSwitcher_button
3 buttons control movie devices.
videoSwitcher_keyboard
let's type Your pc or mac's keyboard (assigned 1 2 3).
video_switcher_midiInterface
please assign your midi interface.
Download link
https://github.com/tktktk9090/videoswitcher20200425
The video briefly explains it.