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10/21/09

ffmpeg usage.

Using ffmpeg to make movies is much faster than using ImageJ. The followings are the commonly used commands:

>> ffmpeg -r 60 -i %d.jpg -sameq -s vga out.mp4

-r 60 means the frame rate of the movie is 60;
-i %d.jpg: inputs are jpg sequences.
-sameq: make sure that the movie frames are the same quality as the input sequential images.
-s vga: constrains the size of the frames to vga size, which is 640x480.

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