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I have dozens of video files containing scenes of movement interspersed with 5-10 second periods of nothing happening (many identical frames in a row). There's no audio track and I'd like to strip the identical frames to remove those pauses and keep only the movement.

Is there a (preferably free) tool to accomplish this?

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This can be accomplished with the mpdecimate filter in the free program ffmpeg:

ffmpeg -i "in.mp4" -vf "mpdecimate" "out.mp4"

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Welcome to AVP and thanks for sharing what you found to address the situation. – AJ Henderson Nov 11 '13 at 15:46
    
Left a note on a similar, but different question: avp.stackexchange.com/questions/8012/… – v010dya Nov 12 '13 at 8:33

protected by Community Oct 1 '14 at 22:15

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