Create gifs from mov

gif-create.sh

#!/bin/bash
# Requirements: brew install ffmpeg gifsicle

set -e

if [ -z "$1" ]; then
    echo "Usage: gif-create.sh <input.mov>"
    exit 1
fi

INPUT="$1"
BASENAME="${INPUT%.*}"
OUTPUT="${BASENAME}.gif"
PALETTE=$(mktemp /tmp/palette_XXXXXX.png)

trap "rm -f $PALETTE" EXIT

echo "🎬 Converting: $INPUT → $OUTPUT"

# Pass 1: Generate palette
ffmpeg -y -i "$INPUT" -vf "fps=15,palettegen=max_colors=128" "$PALETTE" 2>/dev/null

# Pass 2: Create GIF with palette
ffmpeg -y -i "$INPUT" -i "$PALETTE" -lavfi "fps=15 [x]; [x][1:v] paletteuse=dither=floyd_steinberg" "$OUTPUT" 2>/dev/null

# Pass 3: Compress with gifsicle
gifsicle -O3 --lossy=80 "$OUTPUT" -o "$OUTPUT"

INPUT_SIZE=$(stat -f%z "$INPUT" 2>/dev/null || stat -c%s "$INPUT" 2>/dev/null)
OUTPUT_SIZE=$(stat -f%z "$OUTPUT" 2>/dev/null || stat -c%s "$OUTPUT" 2>/dev/null)

echo "✅ Done: $OUTPUT"
echo "   Input:  $(echo "scale=1; $INPUT_SIZE/1048576" | bc)MB"
echo "   Output: $(echo "scale=1; $OUTPUT_SIZE/1048576" | bc)MB"