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Old 10-22-2009, 02:20 PM   #1
neocookie
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Programatically remove chunks from a video file?


I need to remove sections from video files (from the middle and the end) on the command-line. Generally these will be mp4 and avi files.

For instance, I have a .mp4 file which is 32:30 minutes long. I'd like to remove from 2:49 to 3:20, and remove the last 60 seconds.

Any ideas on how I can achieve this?
 
Old 10-22-2009, 06:34 PM   #2
neonsignal
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You can use mencoder for this. You can extract pieces from the file, eg:

Code:
mencoder input.mp4 -oac copy -ovc copy -ss 0 -endpos 169 -o piece1.mp4
mencoder input.mp4 -oac copy -ovc copy -ss 200 -endpos 1200 -o piece2.mp4
(-ss is the skip time, -endpos is the end point)

You can then use mencoder to join the result pieces together, eg:

Code:
mencoder piece1.mp4 piece2.mp4 -oac copy -ovc copy -o output.mp4
You can do the same thing with ffmpeg.

You could also consider using mpgtx.
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Last edited by neonsignal; 10-22-2009 at 06:39 PM.
 
  


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