DivX is a package that includes all the DivX codec, player, utilities, and documentation that you need to play DivX files. DivX codec is based on the MPEG-4 compression standard. This codec can reduce an MPEG-2 video (DVD format) to ten percent of its original size. DivX is a digital video compression technology based on the ISO MPEG-4 standard.
Changed: DivX AVI Importer now handles the importing of DivX AVIs with MP3/IMA ADPCM/AC3 audio. Fixed: Problem with DivX Player and AVI playback compatibility. Problem with audio encoding from a DV audio source in iMovie. Problem that caused Camino to crash on startup. Problem that caused some DivX Pro features to be disabled in GUI. Get it here