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Concatenate two or more movie files into one using mencoder

 $ mencoder cd1.avi cd2.avi -o movie.avi -ovc copy -oac copy

— by Janos on Dec. 24, 2011, 3:51 p.m.

Explanation

  • You can specify as many files as you want on the command line to process them in sequence.
  • -ovc copy simply means to copy the video exactly
  • -oac copy simply means to copy the audio exactly
  • -o movie.avi is the output file, with all the source files concatenated

Limitations

  • mencoder is usually not a standard package
  • mencoder may be in the same package as mplayer, or maybe not
  • mencoder has binary packages for Linux, Mac and Windows

See the MPlayer homepage for more info: http://www.mplayerhq.hu/