togif.sh

togif.sh

#!/bin/bash

if [ "$#" -lt 2 ]; then
  echo "Usage: $0 videofile output fps width start duration"
  exit 1
fi

VIDEO=$1
OUTPUT=$2
FPS=$3
WIDTH=$4
START=$5
DURATION=$6

: ${FPS:=film}
: ${WIDTH:=-1}
: ${START:=0}
: ${DURATION:=0}

if [ "$VIDEO" = "--help" ]; then
    echo "$0 video output fps width start duration"
    exit 0
fi

if [ "$DURATION" = "0" ]; then
    DURATION=""
else
    DURATION="-t $DURATION"
fi

ffmpeg -ss "$START" $DURATION -i "$VIDEO" -vf fps=$FPS,scale=$WIDTH:-1:flags=lanczos,palettegen palette.png

ffmpeg -ss "$START" $DURATION -i "$VIDEO" -i palette.png -filter_complex "fps=$FPS,scale=$WIDTH:-1:flags=lanczos[x];[x][1:v]paletteuse" $OUTPUT

rm palette.png

A small script help me convert video to gif use ffmpeg.

---

Argumemts:

• Input video filename
• Output gif filename
• FPS
• Width (Keep ratio)
• Start time
• Duration