dither4/video-bulk/atarifiy.sh

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2023-03-26 04:36:14 +00:00
set -e
INFILE="$1"
# additional params can be input to the extraction
# for time or seek
shift
mkdir -p temp
ffmpeg \
-i "$INFILE" \
-r 60000/1001 \
-vf 'scale=256:-2' \
-an \
"$@" \
-y "temp/$INFILE-%04d.png"
ffmpeg \
-i "$INFILE" \
-vn \
-ac 1 \
-ar 15734 \
-acodec pcm_u8 \
"$@" \
-y "temp/$INFILE-audio.wav" || echo no audio
for frame in "temp/$INFILE-"[0-9][0-9][0-9][0-9].png
do
n="${frame#temp/$INFILE-}"
n="${n%.png}"
out="temp/$INFILE-dither-${n}"
last="${n:0-1}"
node ../dither-image.js "$frame" "$out" &
if (( last == 9 ))
then
echo "frame $n"
wait
fi
done
wait
if [ -f "temp/$INFILE-audio.wav" ]
then
ffmpeg \
-r 60000/1001 \
-i "temp/$INFILE-dither-%04d.png" \
-i "temp/$INFILE-audio.wav" \
-ac 2 \
-ar 48000 \
-vf 'pad=w=534' \
-pix_fmt yuv420p \
-movflags +faststart \
-y "$INFILE-dither.mp4"
else
ffmpeg \
-r 60000/1001 \
-i "temp/$INFILE-dither-%04d.png" \
-vf 'pad=w=534' \
-pix_fmt yuv420p \
-movflags +faststart \
-y "$INFILE-dither.mp4"
fi