mp4

heres how you can convert .mp4 (mpeg-4) format to mpeg video format so you can upload them to youtube, many digicams will save them as .MP4 format which is a real pain because a lot of online services such as youtube will not support it
So heres how we convert .mp4 to .mpg 'File' tells me the file is MPEG v4

Video074.mp4: ISO Media, MPEG v4 system, version 2

ffmpeg -i Video083.mp4 -target ntsc-vcd town-hall-rockfloat-fussen.mpg