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Is there any open source software to load a .MOV video and speed it up? I've got some video of storms that I'd like to speed up 10x.

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up vote 2 down vote accepted

mplayer (well, mencoder) will do that.

Instead of re-posting I will direct you to the example at the source.

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Hi, is mencoder like a video version of ImageMagick? Just a command-line utility to modify videos? – Brian Webster Jun 30 '10 at 15:03
That is correct – SleighBoy Jun 30 '10 at 17:15

If you mean increasing the playback speed, VLC can do that. VLC is an open source software for both Windows and Unix/Linux environments.

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If you want to create a speeded up version of the video (and not just for a single time playback) you will have to re-encode the video. This is somewhat complicated but you can do it with a myriad of video encoding programs. My favorite is VirtualDub

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