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I have a video sequence, let's say an avi file. I want to transform it into a sequence of .jpg images, named 1.jpg, 2.jpg, .... n.jpg (for n frames in the avi file). How can I accomplish this?

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up vote 4 down vote accepted
ffmpeg -i Video.avi %d.jpg

(via http://ubuntuforums.org/showthread.php?t=1141293)

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In my case, I liked this version, which only captures frames that are >5% different from previous frames:

ffmpeg -i my_video.mp4 -vf select="gt(scene\,0.05)" -vsync 0 -an my_subfolder/my_slides-%05d.jpg

I used this command to convert a video recording (of a basic text Powerpoint slideshow) into simple images of each slide.

See ffmpeg documentation here.

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