m4b-tool/to-m4b.sh
2025-09-07 12:18:29 +02:00

61 lines
1.6 KiB
Bash

#!/usr/bin/env bash
set -x
set -eufo pipefail
# CONSTANTS
declare -r m4b-tool="nix run github:sandreas/m4b-tool#m4b-tool-libfdk -- "
declare -r script_dir="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
# VARS
LEADING_ZEROES=2
MAIN_SRC="${SRC:${script_dir}/src}"
MAIN_OUT="${OUT:${script_dir}/out}"
# FUNCTIONS
parse-vars() {
# TODO implement parsing the directory structure of the passed directory, to fill in missing vars and return them
# Series structure: ${SRC}/<author>/<series>/Book <part> - <year> - <book> {<narrator>}/
# Standalone structure: ${SRC}/<author>/<year> - <book> {<narrator>}/
# Return the <part> wihh leading zeros based on the LEADING_ZEROES variable
}
get-book-directories() {
# TODO implemet getting the book directoris based on the ${SRC} path
# find the directories that contains the books files and return them as an array
# Example book directory:
# /path/to/src/Author/Series/Book Part - Year - Book {Narrator}/
# /path/to/src/Author/Year - Book {Narrator}/
}
m4b-merge() {
local output_file="${1}"
local source_dir="${2}"
local author="${3}"
local narrator="${4}"
local title="${5}"
local year="${6}"
local series="${7}"
local series_index=${8}
mkdir -p "$(dirname "${output_file}")"
"${m4b-tool}" \
merge \
-v \
--jobs=6 \
--audio-samplerate=44100 \
--audio-quality=100 \
--writer="${author}" \
--artist="${narrator}" \
--title="${title}" \
--year="${year}" \
--album="${series}" \
--album-sort="${series_index}" \
--output-file="${output_file}/" \
-- "${source_dir}"
}
main() {
}
main "$@"