HandBrake is an open-source, GPL-licensed, multiplatform, multithreaded DVD to MPEG-4, AVI or OGM ripper/converter. MP4 with AAC audio or AVC with h264 video and AAC audio. It also lets you crop the image to get rid of the black bars to bring down the size even more and lets you choose options as to how you want it encoded.

Supported sources:

• Any DVD-like source: VIDEO_TS folder, DVD image or real DVD (even encrypted)
• PAL or NTSC
• AC-3, LPCM or MPEG audio tracks

Outputs:

• File format: MP4, AVI or OGM
• Video: MPEG-4 or H.264 (1 or 2 passes or constant quantizer encoding)
• Audio: AAC, MP3, Vorbis or AC-3 pass-through (supports encoding of several audio tracks)

Misc features:

• Chapter selection
• Basic subtitle support (burned into the picture)
• Integrated bitrate calculator
• Picture deinterlacing, cropping and scaling
• Grayscale encoding