gifit.sh

gifit.sh

start_time=0:0
duration=10

# Windows Bash
palette="/c/python3/scripts/palette.png"
# Linux / Mac Bash
# palette="/tmp/palette.png"

filters="fps=15,scale=320:-1:flags=lanczos"

if (( $# == 0 )); then
  echo "Usage: gifit <file-name> [optional duration] [optional start_time]"
elif (( $# == 2 )); then
  duration=$2
elif (( $# == 3 )); then
  duration=$2
  start_time=$3
fi

# Get base filename
filename="$1"
filename=${filename%%.*}

ffmpeg -v warning -ss $start_time -t $duration -i $filename.mp4 -vf "$filters,palettegen" -y $palette
ffmpeg -v warning -ss $start_time -t $duration -i $filename.mp4 -i $palette -lavfi "$filters [x]; [x][1:v] paletteuse" -y $filename.gif