ffmpeg instagram

makemp4.sh

#!/bin/sh

# usage: ./makemp4.sh export01 output01

frames=`mktemp -d`

for i in 1 2 3; do
    for file in $1/*.png; do
        filename=$(basename "$file")
        cp "$file" "$frames/$i-$filename"
    done
done

ffmpeg -r 30 -pattern_type glob -i "$frames/*.png" -vf "scale=800:-1:flags=lanczos" -f mp4 -y -vcodec libx264 -pix_fmt yuv420p -crf 10 $2.mp4

rm -r $frames