#!/bin/bash
INPUT="${1}"
OUTPUT="${2}"
WIDTH=323
HEIGHT=242
mkdir -p "${OUTPUT}"
ffmpeg -re -i "${INPUT}" \
-f image2 \
-r 12 \
-vf crop=in_h/3*4:in_h,scale=$WIDTH:$HEIGHT,setsar=1:1 \
"${OUTPUT}/image_%06d.png"