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mattak/mp4small

Created August 2, 2022 08:27
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create small size mp4
Raw
mp4small
#!/bin/sh
set -xe
if [ $# -eq 0 ]; then
echo "usage: <input_mp4>"
exit 1
fi
f1=$1
f2=${f1%.*}_small.mp4
ffmpeg -y -i $f1 -vf 'scale=320:trunc(ow/a/2)*2' $f2
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