animation/seq.sh

23 lines
359 B
Bash

#!/bin/bash
MULTIPLE=2
RATE=`echo "scale=0;24/${MULTIPLE}" | bc`
INPUT="${1}"
OUTPUT="${2}"
INVERT="${3}"
WIDTH=323
HEIGHT=242
if [[ "${INVERT}" != "" ]]; then
INVERT="negate,"
fi
mkdir -p "${OUTPUT}"
ffmpeg -y -re -i "${INPUT}" \
-f image2 \
-r ${RATE} \
-vf ${INVERT}crop=in_h/3*4:in_h,scale=$WIDTH:$HEIGHT,setsar=1:1 \
"${OUTPUT}/image_%06d.png"