#!/bin/sh
set -e

tmp="$(mktemp --suffix='.png')"
trap "rm ${tmp}" INT EXIT QUIT TERM ABRT

new="${1%.*}.opus"

ffmpegthumbnailer -i "$1" -s0 -q10 -m -o "${tmp}"
ffmpeg -i "$1" -c:a copy -c:v none -c:s none "${new}"
opustags -i --set-cover "${tmp}" "${new}"