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@superdaigo
Last active June 21, 2023 02:34
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Convert movie file to GIF animation using ffmpeg and jq
#!/usr/bin/env bash
# Convert movie file to GIF animation using ffmpeg and jq
set -e -o pipefail
MAX_WIDTH=1200
MAX_HEIGHT=1200
# ffprobe
stream_info=$(ffprobe -v quiet -print_format json -show_streams "$1")
width=$(echo "$stream_info" | jq '.streams[0].width')
height=$(echo "$stream_info" | jq '.streams[0].height')
# resize
if [ ${width} -gt ${height} ]; then
out_width=$width
out_height=-1
if [ ${width} -gt ${MAX_WIDTH} ]; then
out_width=$MAX_WIDTH
fi
else
out_height=$height
out_width=-1
if [ ${height} -gt ${MAX_HEIGHT} ]; then
out_height=$MAX_HEIGHT
fi
fi
scale="$out_width:$out_height"
# ffmepg
ffmpeg -i "$1" -vf scale="$scale" -r 10 "$1".gif
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