Is it even possible on Macs. Every time I tried it didn't work. I really need to play some AVI files but I can't. Does anyone know a program that plays them?
What you are looking for basically is a Mac DIVX player. The codecs files for Windows seem to be a newer version, so I have found playing AVI files that were created by Windows users running DIVX codec 4.11 usually don't work on my Mac.
If you have access to a Windows machine you can convert AVIs to MPGs. Bigger files, but atleast they play in Quicktime.
Go to VersionTracker and get the latest version of divosx (or is it called Avi2Mov?). When you run the installer it will install a codec that will allow quicktime to play DivX movies just fine. Occasionally you'll run into one where the sound doesn't work properly, but if you run it through the Avi2Mov converter that comes in the package that will fix it unless the problem is that the DivX file was incoded with WMA instead of MP3 sound. In that case you're screwed, but other wise it works great. (I've been using it all night to watch anime...)
It's not just divx encoded videos though. AVI also meant an older video codec. I know that on OS 9 you could install Quicktime components to view AVI 3, 4 & 5 encoded video, but QT by itself only handles version 3. Makes it difficult to watch some of these old files in OS X.
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<a href="http://www.3ivx.com/download/macos.html"; target="_blank">http://www.3ivx.com/download/macos.html</a>;
What you are looking for basically is a Mac DIVX player. The codecs files for Windows seem to be a newer version, so I have found playing AVI files that were created by Windows users running DIVX codec 4.11 usually don't work on my Mac.
If you have access to a Windows machine you can convert AVIs to MPGs. Bigger files, but atleast they play in Quicktime.