mjforan

# Goal:     video frames are duplicated and reversed (creating effect like Instagram's boomerang) and combined in animated webp
# Requires: ffmpeg, tested on ffmpeg 2021-11-10-git-44c65c6cc0-full_build-www.gyan.dev with Python 3.9.2 on Windows 10
# Args:     mode input_file output_file [start_time] [end_time]
# Example:  python boomerang.py v test.mp4 out.webp -s 00:00:02 -e 00:00:10

import argparse
import os
import shutil
from signal import signal, SIGINT
import subprocess