How to generate a 2hour-long blank video
You can use ffmpeg for this: ffmpeg -t 7200 -s 640×480 -f rawvideo -pix_fmt rgb24 -r 25 -i /dev/zero empty.mpeg UPDATE: -t: length of the video (in H:m:s format 00:00:00 or in seconds 0.000) -s: frame size -f: video format -pix_fmt: pixel format -r: fps -i: input