HandBrake is a GPL'd multiplatform, multithreaded video encoding tool.
Main Features:
- Chapter selection, Chapter Markers
- Subtitles
- Vobsub and Closed Captions
- SRT import and passthru
- SSA passthru or burn-in (experimental)
- Constant Quality or Average Bitrate Video Encoding
- Support for VFR, CFR and VFR
- Video: Deinterlacing, Decomb, Detelecine, Cropping and scaling
- Live Video Preivew