Script to generate animations from progress images of work

make-movie.sh

#!/bin/bash

mkdir ./animation

# make square 1200x1200 images
for fname in $@; do
    echo "Converting $fname";
    newfname=$(printf "animation/%04d.jpg" "$a");
    convert $fname -thumbnail '1200x1200>' -background black -gravity center -extent 1200x1200 $newfname;
    let a=a+1;
done

echo "Generating movie"

# create movie
avconv -framerate 4 -i animation/%04d.jpg -pix_fmt yuv420p -vcodec libx264 -vb 2500k -minrate 2500k -maxrate 2500k -bufsize 2500k -strict -2 -acodec aac -s 1200x1200 output.mp4