ffmpeg-gif.sh

ffmpeg-gif.sh

#!/usr/bin/env bash

set -eou pipefail

if [ "$#" -ne 2 ]; then
  echo "Usage: $0 input_file output_file"
  exit 1
fi

input_file="$1"
output_file="$2"

if [ ! -f "$input_file" ]; then
  echo "Error: Input file '$input_file' not found or not accessible."
  exit 1
fi

# ref https://superuser.com/a/1695537
ffmpeg -y -i "$input_file" -filter_complex "fps=5,scale=1344:-1:flags=lanczos,split[s0][s1];[s0]palettegen=max_colors=32[p];[s1][p]paletteuse=dither=bayer" "$output_file"

echo "GIF created successfully at $output_file"