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Shell script to generate high-quality animated gifs from a video file
#!/bin/bash
# Based on http://blog.pkh.me/p/21-high-quality-gif-with-ffmpeg.html
# Requires ffmpeg
filename="${1%.*}"
palette="/tmp/palette.png"
filters="scale=320:-1:flags=lanczos"
ffmpeg -v warning -i "$1" -vf "$filters,palettegen" -y $palette
ffmpeg -v warning -i "$1" -i $palette -lavfi "$filters [x]; [x][1:v] paletteuse" -y "$filename.gif"
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