mirror of
https://github.com/KrumpetPirate/AAXtoMP3.git
synced 2025-07-01 17:07:30 +02:00
Renamed AAXtoMP3 to AAXtoMP3Worker
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fnuesse
214
AAXtoMP3Worker
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214
AAXtoMP3Worker
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#!/usr/bin/env bash
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set -o errexit -o noclobber -o nounset -o pipefail
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codec=libmp3lame
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extension=mp3
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mode=chaptered
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authcode=".authcode";
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auth="";
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if [ -z ${HOME+x} ] && ! [ -z ${USERPROFILE+x} ]; then HOME="$USERPROFILE"; fi
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authcodeDirs="${HOME}/ ./"
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GREP=$(grep --version | grep -q GNU && echo "grep" || echo "ggrep")
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if ! [[ $(type -P "$GREP") ]]; then
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echo "$GREP (GNU grep) is not in your PATH"
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echo "Without it, this script will break."
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echo "On macOS, you may want to try: brew install grep"
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exit 1
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fi
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if ! [[ $(type -P ffmpeg) ]]; then
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echo "ffmpeg is not in your PATH"
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echo "Without it, this script will break."
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exit 1
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fi
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function print_manual(){
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echo ""
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echo "Usage: bash AAXtoMP3 [--flac] [--aac] [--opus ] [--single] --auth=AUTHCODE {FILES}"
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echo " Note that when you enter conflicting parameters, the last one will be the one used."
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echo " You HAVE to use the equals-sign. You may also use -a=AUTHCODE. But the '=' is mandatory."
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echo " Everything after the authcode must be a filename to a file which you want to convert"
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echo ""
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echo " [--flac]: The flac codec is used in the resulting files. Default is MP3"
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echo " [--aac]: The aac codec is used in the resulting files. Default is MP3"
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echo " [--opus]: The opus codec is used in the resulting files. Default is MP3"
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echo " [--single] : Prevents creation of chapters. Results in a single file."
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echo " --authcode=XXXXXXXX: Your personal autcode. Everything after this parameter will be used as an inputfile!"
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echo " {FILES}: Files to convert, seperated by spaces."
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echo ""
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}
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if [ "$#" -eq 0 ]; then
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print_manual
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exit 1
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fi
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if [[ "$1" = '-h' ]]; then
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print_manual
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exit 1
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fi
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if [[ "$1" = '--help' ]]; then
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print_manual
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exit 1
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fi
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#Iterate over the parameter to find all entered ones
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for var in "$@"
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do
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if [[ "$var" = '--flac' ]]
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then
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codec=flac
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extension=flac
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shift
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fi
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if [[ "$var" == '--aac' ]]
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then
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codec=copy
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extension=m4a
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mode=single
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shift
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fi
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if [[ "$var" = '--opus' ]]
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then
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codec=libopus
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extension=ogg
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shift
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fi
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if [[ "$var" == '--single' ]]
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then
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mode=single
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shift
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fi
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case "$var" in
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-a=*|--auth=*) echo "found";
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auth="${var#*=}";
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esac
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done
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auth_code="";
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for dir in $authcodeDirs; do
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codeFile="${dir}$authcode";
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if [ ! -f "$codeFile" -o ! -s "$codeFile" ]; then
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codeFile=""
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echo "INFO: Sorry, missing or empty \"$codeFile\" found, skipping.";
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fi;
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done;
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if [ ! -f "$codeFile" ]; then
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auth_code=$1
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shift
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else
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auth_code=`head -1 "$codeFile"`
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fi
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if [ -z "$auth_code" ]; then
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auth_code="$auth";
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fi;
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if [ -z "$auth_code" ]; then
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echo "INFO: Sorry, no authcode provided.";
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exit 1;
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fi;
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debug() {
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echo "$(date "+%F %T%z") ${1}"
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}
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trap 'rm -r -f "${working_directory}"' EXIT
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working_directory=`mktemp -d 2>/dev/null || mktemp -d -t 'mytmpdir'`
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metadata_file="${working_directory}/metadata.txt"
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save_metadata() {
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local media_file
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media_file="$1"
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ffprobe -i "$media_file" 2> "$metadata_file"
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}
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get_metadata_value() {
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local key
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key="$1"
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normalize_whitespace "$($GREP --max-count=1 --only-matching "${key} *: .*" "$metadata_file" | cut -d : -f 2- | sed -e 's#/##g;s/ (Unabridged)//' | tr -s '[:blank:]' ' ')"
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}
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get_bitrate() {
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get_metadata_value bitrate | $GREP --only-matching '[0-9]\+'
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}
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normalize_whitespace() {
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echo $*
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}
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create_path(){
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debug "Decoding $1 with auth code $2..."
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save_metadata "$1"
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genre=$(get_metadata_value genre)
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artist=$(get_metadata_value artist)
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title=$(get_metadata_value title | sed 's/'\:'/'\ -'/g' | xargs -0)
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output_directory="$(dirname "$1")/${genre}/${artist}/${title}"
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mkdir -p "${output_directory}"
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full_file_path="${output_directory}/${title}.${extension}"
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</dev/null ffmpeg -loglevel error -stats -activation_bytes "$2" -i "$1" -vn -codec:a "${codec}" -ab "$(get_bitrate)k" -map_metadata -1 -metadata title="${title}" -metadata artist="${artist}" -metadata album_artist="$(get_metadata_value album_artist)" -metadata album="$(get_metadata_value album)" -metadata date="$(get_metadata_value date)" -metadata track="1/1" -metadata genre="${genre}" -metadata copyright="$(get_metadata_value copyright)" "${full_file_path}"
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debug "Created ${full_file_path}."
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cover_path="${output_directory}/cover.jpg"
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debug "Extracting cover into ${cover_path}..."
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</dev/null ffmpeg -loglevel error -activation_bytes "$2" -i "$1" -an -codec:v copy "${cover_path}"
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if [ "${mode}" == "chaptered" ]; then
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chaptercount=$($GREP -Pc "Chapter.*start.*end" $metadata_file)
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debug "Extracting ${chaptercount} chapter files from ${full_file_path}..."
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chapternum=1
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while read -r -u9 first _ _ start _ end
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do
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if [[ "${first}" = "Chapter" ]]
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then
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read -r -u9 _
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read -r -u9 _ _ chapter
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chapter_title="${title} - $(printf %0${#chaptercount}d $chapternum) ${chapter}"
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chapter_file="${output_directory}/${chapter_title}.${extension}"
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# the ID3 tags must only be specified for *.mp3 files,
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# the other container formats come with their own
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# tagging mechanisms.
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id3_version_param=""
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if test "${extension}" = "mp3"; then
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id3_version_param="-id3v2_version 3"
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fi
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</dev/null ffmpeg -loglevel error -stats -i "${full_file_path}" -i "${cover_path}" -ss "${start%?}" -to "${end}" -map 0:0 -map 1:0 -acodec copy ${id3_version_param} \
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-metadata:s:v title="Album cover" -metadata:s:v comment="Cover (Front)" -metadata track="${chapternum}" -metadata title="${chapter_title}" \
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"${chapter_file}"
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chapternum=$((chapternum + 1 ))
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fi
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done 9< "$metadata_file"
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rm "${full_file_path}"
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debug "Done creating chapters. Chaptered files contained in ${output_directory}."
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fi
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debug "Done."
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rm "${metadata_file}"
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}
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for path
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do
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create_path "${path}" "${auth_code}"
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done
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exit 0;
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