Avidemux is a free video editor that includes a selection of features to help you with your cutting, filtering, and encoding tasks. It can read and write many file types, including AVI, DVD and MPEG, MP4, ASF and MKV, and has a variety codecs and filters. Avidemux automates your tasks through the creation of projects and placing them in the job queue.
Features
Non-linear video editingApply filters and effectsTranscode into various formatsInsert or extract audio streamsSubtitle processorProject systemPowerful scripting capabilitiesGraphical or command line interfacesVideo encoders: MPEG-4 AVC, XviD, MPEG-4 ASP, MPEG-2 Video, MPEG-1 Video, DV, ...Audio encoders: AC-3, AAC, MP3, MP2, Vorbis, PCM, ...Container: AVI, MPEG-PS/TS, MP4, MKV, FLV, OGM, ...