#!/usr/bin/env bash
# Converts an input file into .opus for audiobooks. Arguments: filename artist album date picture
set -euo pipefail
echo "Converting $1"
filepath="$(basename -- $1)"
filestem="${filepath%.*}"
nix-shell -p ffmpeg-full opusTools --command "ffmpeg -i $1 -f wav pipe:1 | opusenc --bitrate 32 --speech --framesize 60 --artist \"$2\" --album \"$3\" --date $4 --genre Hörbuch --picture \"$5\" - $filestem.opus"