Like a lot of people these days, I spend a huge amount of time each week on video calls for work. During the height of the pandemic, I put a fair amount of effort into video hardware in my home office, with a nice camera feeding video into a Blackmagic Design ATEM video controller and then feeding Zoom or Google Meet from it over USB. Originally I was using still photos as backdrops, but about a year ago I started a recording subtle video backgrounds to use instead of stills. Streams flowing ...