#!/bin/bash
video=awawawawa.mp4
frame_rate=5
out_delay=5

mkdir tmp
ffmpeg -i $video -r $frame_rate tmp/frame%d.png
for file in ./tmp/*
do
  magick -background transparent -gravity center "$file" -resize 137x77 -extent 256x256+11+12 neobot.png -composite "$file"
done
magick -delay $out_delay -loop 0 ./tmp/frame*.png APNG:neobot_video.apng
rm -rf tmp