Create a time-lapse video / speed up a video

speed up a video

#!/bin/bash

# Usage: speedup.sh <input> <output> <frames>
# frames is the number of frames per second (1 = fastest, 10 is slower etc)

mkdir speedup_tmp
ffmpeg -i $1 -r $3 -f image2 speedup_tmp/%05d.png
ffmpeg -i speedup_tmp/%05d.png -b 512000 $2
rm -rf ./speedup_tmp