meowgorithm/dotfiles

#!/usr/bin/env bash
#
# Convert video files to animated WebP.
#
# Primary path: ffmpeg decodes frames to a temp dir, then img2webp
#   (from libwebp) assembles them. This works even with ffmpeg builds
#   that lack the libwebp encoder (e.g. recent Homebrew ffmpeg).
# Fallback: ffmpeg's libwebp encoder, if available.
#
# Usage: to-webp.sh [options] <input> [output]

set -e

# Defaults
FPS=15
WIDTH=""
QUALITY=75
LOOP=0
COMPRESSION=6
START=""
DURATION=""
OVERWRITE=false
LOSSLESS=false

usage() {
    cat <<'EOF'
Usage: to-webp.sh [options] <input> [output]

Options:
    -f, --fps N          Frames per second (default: 15)
    -w, --width N        Output width in px (height auto, keeps aspect)
    -q, --quality N      Quality 0-100 (default: 75)
    -l, --loop N         Loop count, 0=infinite (default: 0)
    -c, --compression N  Compression effort 0-6 (default: 6; higher=smaller)
    -s, --start TIME     Start time (seconds or HH:MM:SS)
    -d, --duration TIME  Max duration (seconds or HH:MM:SS)
    --lossless           Use lossless encoding (larger files)
    -y, --yes            Overwrite output without asking
    -h, --help           Show this help