Ok, so using the overlay filter, one can change the x/y location of a video over time by using the "t" variable. For example, overlay=x='if(gte(t,2), -w+(t-2)*20, NAN)':y=0 can be used to start ...
I am in the process of building a custom application that requires frame grabbing from an analogic video stream from a TV. I therefore have bought a Hauppauge WinTV HVR 1900 usb frame grabber. It ...