Cat Park image processing

process.sh

#!/bin/sh

#files="carmen-alternate carmen-default magnus-alternate-fullsize magnus-default-new marvin-alternate marvin-default cafe_background cybervan vendoralley apartment catpark catpark-damaged madison-default madison-thinking melonie-default melonie-angry"
files=('catpark_logo los')
palette="/tmp/palette.png"
filters="fps=fps=12,scale=500:-1:flags=lanczos"
q=40

# rm -rf opti
# mkdir opti

rm -rf ../dest
mkdir ../dest

shouldresize=false
if [ ! -d "resized" ]; then
   mkdir ./resized
   echo "Resizing!"
   sleep 2
   shouldresize=true
fi

for f in "${files[@]}"
do
   # RESIZE RESIZE ONLT ONCE
   if $shouldresize
   then
      echo "--------------------------Resizing"
      ffmpeg -f image2 -i "${f}%03d.png" -vf "$filters" "resized/${f}%03d.png"
   fi
   # ---

   ffmpeg -framerate 24 -i "${f}%03d.png" -vcodec libwebp_anim -vf "$filters" -r 24 -lossless 0 -quality ${q} -loop 0 -an -pix_fmt yuva420p "../dest/${f}.webp"
   img2webp -loop 0 -kmax 1 -lossy -q ${q} -d 80 "resized/${f}"*.png -o "../dest/${f}_all_keyframes.webp"

   ffmpeg -v warning -i "${f}%03d.png" -vf "palettegen=stats_mode=full" -y $palette
   ffmpeg -i "${f}%03d.png" -i $palette -lavfi "$filters,paletteuse=dither=sierra2_4a" -y "../dest/${f}_sierra.gif"

   gifsicle -O3 --dither=o8 --colors=128 --lossy=40 -o "../dest/${f}_sierra_reduced.gif" "../dest/${f}_sierra.gif"
done