In this tutorial, we learn how to get additional codec support in iTunes. It's not easy to find this support online, but if you go to Xiph, you will be able to find what you need. This site has tons of things to download to give you codec support on your iTunes. If you don't use this, you will have to use a different player to watch many things, because apple doesn't support many different file types. If the program stalls, just wait for it to load or you can uninstall and re download. These tips will help you play exactly what you want in no time!