Cheap HDMI capture for Linux
You can also use devices that are USB Video Class (UVC) compliant, thus which don't require any drivers.<p>libuvc can be used to capture from these devices:
<a href="https://github.com/ktossell/libuvc" rel="nofollow">https://github.com/ktossell/libuvc</a><p>You can get cheap off-brand UVC USB grabbers, or you can get higher quality gear, like the AJA U-TAP:<p><a href="https://www.aja.com/en/products/u-tap" rel="nofollow">https://www.aja.com/en/products/u-tap</a><p>Admittedly though I haven't seen anything that comes close to £45 :-)