HandBrake is an open-source, GPL-licensed, multiplatform, multithreaded DVD to MPEG-4 converter, available for MacOS X, Linux and Windows.
Supported sources:
- Any DVD-like source: VIDEO_TS folder, DVD image or real DVD (encrypted or unencrypted, but protection methods other than CSS are not supported and must be handled externally with third-party software), and some .VOB and .TS files
- PAL or NTSC
- AC-3, DTS, LPCM or MPEG audio tracks
Outputs:
- File format: MP4, MKV, AVI or OGM
- Video: MPEG-4 or H.264 (1 or 2 passes or constant quantizer/rate 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
link:
http://handbrake.fr/