HandBrake is an open-source, GPL-licensed, multiplatform, multithreaded DVD to MPEG-4 converter, available for MacOS X, Linux and Windows. It outputs in MP4, MKV, AVI, or OGM file formats and supports MPEG-4 or H.264 video formats. Handbrake also supports encoding of AAC, MP3, Vorbis, and AC-3 Pass through
