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#!/bin/sh
# [size=WxH] ./convert.sh <file> -r <frame rate> [additional ffmpeg args]
set -eu
mkdir -p tmp
ffmpeg -i "$@" tmp/frame%4d.png
parallel mogrify -resize "${size:-128x32}" -threshold 50% -- tmp/*.png
echo "#include <avr/pgmspace.h>" > frames.cc
echo "const unsigned char frame_rate = $3;" >> frames.cc
./frames-to-cc tmp/*.png >> frames.cc
rm -rf tmp
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