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https://github.com/KrumpetPirate/AAXtoMP3.git
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upuv
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aa1509b6ca
105
AAXtoMP3
105
AAXtoMP3
@ -1,10 +1,39 @@
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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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# ========================================================================
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# Command Line Options
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usage=$'\nUsage: AAXtoMP3.sh [--flac] [--aac] [--opus ] [--single] [--authcode <AUTHCODE>]\n[--output_dir <PATH>] {FILES}\n'
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codec=libmp3lame
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extension=mp3
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mode=chaptered
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auth_code=
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targetdir=
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while true; do
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case "$1" in
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-f | --flac ) codec=flac; extension=flac; mode=single ; shift ;;
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-a | --aac ) codec=copy; extension=m4a; mode=single ;shift ;;
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-o | --opus ) codec=libopus; extension=ogg; shift ;;
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-s | --single ) mode=single; shift ;;
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-t | --target_dir ) targetdir="$2"; shift 2 ;;
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-A | --authcode ) auth_code="$2"; shift 2 ;;
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-d | --debug ) DEBUG=1; shift ;; # Not so secret flag for debug output. to use in code [ $DEBUG == 1 ] && sample=2
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-h | --help ) printf "$usage" $0 ; exit ;;
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-- ) shift; break ;;
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* ) break ;;
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esac
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done
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if [ "$#" -eq 0 ]; then
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printf "$usage" $0
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exit 1
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fi
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# ========================================================================
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# Variable validation
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set -o errexit -o noclobber -o nounset -o pipefail
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GREP=$(grep --version | grep -q GNU && echo "grep" || echo "ggrep")
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if ! [[ $(type -P "$GREP") ]]; then
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@ -14,30 +43,29 @@ if ! [[ $(type -P "$GREP") ]]; then
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exit 1
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fi
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if [ "$#" -eq 0 ]; then
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echo "Usage: bash AAXtoMP3.sh [--flac] [--single] AUTHCODE {FILES}"
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exit 1
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fi
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if [[ "$1" = '--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 [[ "$1" == '--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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if [ ! -f .authcode ]; then
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auth_code=$1
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shift
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else
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# Obtain the authcode from either the command line, local directory or home directory.
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if [ -z $auth_code ]; then
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if [ -r .authcode ]; then
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auth_code=`head -1 .authcode`
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elif [ -r ~/.authcode ]; then
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auth_code=`head -1 ~/.authcode`
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fi
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fi
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if [ -z $auth_code ]; then
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echo "ERROR Missing authcode"
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echo "$usage"
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exit 1
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fi
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# Check the target dir for if set if it is writable
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if [[ ! -w "${targetdir}" || ! -d "${targetdir}" ]] ; then
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echo "ERROR Target Directory is not writable: \"$targetdir\""
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echo "$usage"
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exit 1
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fi
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# ========================================================================
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# Utility Functions
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debug() {
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echo "$(date "+%F %T%z") ${1}"
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@ -67,28 +95,44 @@ normalize_whitespace() {
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echo $*
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}
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# ========================================================================
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# Main Transcode Loop
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for path
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do
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debug "Decoding ${path} with auth code ${auth_code}..."
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# Check for Presense of Audiobook
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if [[ ! -r "${path}" ]] ; then
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echo "ERROR: Input Audiobook file $path missing"
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exit 1
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fi
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save_metadata "${path}"
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genre=$(get_metadata_value genre)
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artist=$(get_metadata_value artist)
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title=$(get_metadata_value title)
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output_directory="$(dirname "${path}")/${genre}/${artist}/${title}"
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title=$(get_metadata_value title | sed 's/'\:'/'-\ '/g' | xargs -0)
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if [ ! -z targetdir ] ; then
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output_directory="${targetdir}/${genre}/${artist}/${title}"
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else
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output_directory="$(dirname "${path}")/${genre}/${artist}/${title}"
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fi
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mkdir -p "${output_directory}"
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full_file_path="${output_directory}/${title}.${extension}"
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# This is the primary transcode. All the heavy lifting is here.
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</dev/null ffmpeg -loglevel error -stats -activation_bytes "${auth_code}" -i "${path}" -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 ${full_file_path}."
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# Grab the cover art if available.
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cover_path="${output_directory}/cover.jpg"
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debug "Extracting cover into ${cover_path}..."
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</dev/null ffmpeg -loglevel error -activation_bytes "${auth_code}" -i "${path}" -an -codec:v copy "${cover_path}"
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# If we want multiple file we take the big mp3 and split it by chapter.
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if [ "${mode}" == "chaptered" ]; then
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# Playlist m3u support
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playlist_file="${output_directory}/${title}.m3u"
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debug "Creating PlayList ${title}.m3u"
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echo '#EXTM3U' > "${playlist_file}"
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@ -105,7 +149,16 @@ do
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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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</dev/null ffmpeg -loglevel error -stats -i "${full_file_path}" -i "${cover_path}" -ss "${start%?}" -to "${end}" -c copy -map 0:0 -map 1:0 -id3v2_version 3 \
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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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25
README.md
25
README.md
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The purpose of this software is to convert AAX files to common MP3, M4A and M4B formats
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through a basic bash script frontend to FFMPEG.
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Audible uses this file format, AAX to maintain DRM restrictions on their audio
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Audible uses this file format to maintain DRM restrictions on their audio
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books and if you download your book through your library it will be
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stored in this format.
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@ -31,7 +31,7 @@ Thanks to kbabioch, this script has also been packaged in the [AUR](https://aur.
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## Usage(s)
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```
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bash AAXtoMP3 [--flac] [--single] [AUTHCODE] <AAX INPUT_FILES>...
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bash AAXtoMP3 [-f|--flac] [-o|--opus] [-a|-aac] [-s|--single] [-A|--authcode <AUTHCODE>] [-o|--output_dir <PATH>] <AAX INPUT_FILES>...
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bash AAXtoM4A [AUTHCODE] <AAX INPUT_FILES>...
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bash AAXtoM4B [AUTHCODE] <AAX INPUT_FILES>...
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```
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@ -41,20 +41,33 @@ bash AAXtoM4B [AUTHCODE] <AAX INPUT_FILES>...
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### MP3 Encoding
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* This is the default encoding
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* Produces 1 or more mp3 files for the AAX title. If you desire a single file use the **--single** option
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* If you want a mp3 file per chapter do not use the -single option. Note a m3u playlist file will also be created in this instance.
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* If you desire flac encoding. use the **--flac** option. It's a bit faster but also a bit less compatible.
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### M4A Encoding
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### Ogg/Opus Encoding
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* Can be done by using the -o or --opus command line switches
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* Is designed to efficiently code speech and general audio in a single format
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* Opus coded files are stored in the ogg container format for better compatibilitt.
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### AAC Encoding
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* Can be done by using the -a or --aac command line switches
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* Designed to be the successor of the MP3 format
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* Generally achieves better sound quality than MP3 at the same bit rate.
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* This will only produce 1 audio file as output.
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### FLAC Encoding
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* Can be done by using the -f or --flac command line switches
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* FLAC is an open format with royalty-free licensing
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### M4B Encoding
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### Defaults
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* Specifying the AUTHCODE.
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In order of __precidence__.
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1. __[AUTHCODE]__ The command line option. With the highest precidence.
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1. __--authcode [AUTHCODE]__ The command line option. With the highest precidence.
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2. __.authcode__ If this file is placed in the current working directory and contains only the authcode it is used if the above is not.
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3. __~/.aaxto_config__ a global config file for all the tools. And is used as the default if none of the above are specified.
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3. __~/.authcode__ a global config file for all the tools. And is used as the default if none of the above are specified.
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Note: At least one of the above must be specified. The code must also match the encoding for the user that owns the AAX file(s).
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## Anti-Piracy Notice
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