Split an ffmpeg file by chapter. Forked from https://github.com/harryjackson/ffmpeg_split (well, basically rewrite the whole thing.)
usage: splitvideo.py [-h] [--encode] [--simulate] input
positional arguments:
input input file
options:
-h, --help show this help message and exit
--encode, -e re-encode isntead of just copy
--simulate, -s simulate