slacking.sh

#!/bin/sh

# Usage:
# Take 1 picture every second, during one hour
# ./slacking 3600 1
# 

N=0
PICS_PATH="/path/to/pics/destination"

echo "Capturing " $1 " images with an interval of " $2 " seconds"

while [ $N -lt $1 ]; do
  let N=N+1
  NAME=`printf "%s/%04d.jpg" $PICS_PATH $N`
  echo $NAME
  screencapture -x -tjpg $NAME
  sleep $2
done

cd $PICS_PATH

ffmpeg -f image2 -i %04d.jpg -r 15 -s hd480 -vcodec libx264 -vpre hq -crf 16 slacking_480.mp4