The Macintosh OS X operating system does not have the ability to play a Blu-ray movie directly off a disc. To play it, you can convert the Blu-ray movie to Mac compatible file format. There are many third-party Mac Blu-ray Converter software are available to achieve the task. Before using these third party programs, make sure that there are optical Blu-ray drive like Pioneer and the MCE Technologies drive on the computer(either internal or external) on your Mac computer that can read Blu-ray disc.
Convert Blu-ray to Mac MOV format is an ideal choice for Mac users to play Blu-ray Movies with QuickTime Mac, import/edit Blu-ray with iMovie '11.
MP4 is the most popular format that are widely been used by Apple QuickTime, iTunes and other portable players. Encode Blu-ray to MP4 Mac to play Blu-ray movies with iTunes Mac or transfer Blu-ray movies to iPad, iPhone, iPod to enjoy on the move.
Although AVI is not an Mac compatible format, but there are still many free AVI files players on Mac. Therefore, you can just convert Blu-ray movies to AVI Mac to play for free with VLC Media Player, Mplayer, Windows Media Player 9, Perian(free QuickTime component).