Maybe you've got some torrent movies or video clips in AVI format, or some family AVI footages from your digital camcorders saved on your Mac's hard drive. It works fine on VLC but I need to play it on Quicktime so I can encode the file to another format. How do you convert avi files to mp4? - Yahoo Answersīasically I have quicktime pro, but I was trying to play AVI with H.264 codec but I can't seem to get it to play. I have some movies that are AVI files that I would like to put onto my iPod.