Mac users interested in Mpeg4 player for mac10.6.8 generally download:
DivX Player is a feature-rich video player designed by the same company that owns the DivX format. This application comes as an alternative to using QuickTime for movie playback, supports a wide variety of video and subtitle formats, enables you to stream clips to any DLNA-compatible device, and much more.
Play movies in AVI, FLV, WMV, FLAC, WAV, WMA, MP3, AAC, and AIFF formats on your Mac. Watch MKV and MP4 video files with native or external subtitles. Create playlists of your multimedia files and play Blu-ray, DVD, VCD/SVCD, CD, and DVB discs, ISO files, and BDMV folders on your Mac, as well as 4K ultra HD videos.