OverlayVideo
OverlayVideo[background, o] gives the result of overlaying o onto a background video or image background.
OverlayVideo[background, {o1, o2, ...}]gives the result of overlaying o1, o2, ....OverlayVideo[background, {interval1 -> o1, ...}]overlays each oi during the time interval intervali.
Examples
Overlay an image on a video:
OverlayVideo[video, logo]Overlay during a specific time interval:
OverlayVideo[video, {{Quantity[2, "Seconds"], Quantity[5, "Seconds"]} -> watermark}]Please visit the official Wolfram Language Reference for more details.