create movie from multiple png files

gistfile1.txt

# script to create movie from multiple png files

dir=${1-"timelapse"}

cd $dir;

echo "Creating symlinks...";

# start at 0
count=0
# take all files named shot - something ordered by date
find . -name '*.jpg' | while read f; do
  # get the index in 0000 format
  printf -v counts "%06d" $count
  # link file to a frame_0000  named symbolic link
  ln -s $f frame_$counts.jpg
  # increment counter
  count=`expr $count + 1`
done;

cd -;

echo "Generating video...";

# create movie
ffmpeg -r 30 -i $dir/frame_%06d.jpg movie.mp4

echo "Removing symlinks...";

# remove the links
cd $dir
find . -name 'frame_*.jpg' | while read f; do rm $f; done
cd -