diff --git a/AAXtoM4B b/AAXtoM4B deleted file mode 100755 index 4bc0992..0000000 --- a/AAXtoM4B +++ /dev/null @@ -1,112 +0,0 @@ -#!/usr/bin/env bash - -set -o errexit -o noclobber -o nounset -o pipefail - -codec=copy -extension=m4a -mode=chaptered -GREP=$(grep --version | grep -q GNU && echo "grep" || echo "ggrep") - -if ! [[ $(type -P "$GREP") ]]; then - echo "$GREP (GNU grep) is not in your PATH" - echo "Without it, this script will break." - echo "On macOS, you may want to try: brew install grep" - exit 1 -fi - -if [ "$#" -eq 0 ]; then - echo "Usage: bash AAXtoM4B [--single] AUTHCODE {FILES}" - exit 1 -fi - -if [[ "$1" == '--single' ]] -then - mode=single - shift -fi - -if [ ! -f .authcode ]; then - auth_code=$1 - shift -else - auth_code=`head -1 .authcode` -fi - -debug() { - echo "$(date "+%F %T%z") ${1}" -} - -trap 'rm -r -f "${working_directory}"' EXIT -working_directory=`mktemp -d 2>/dev/null || mktemp -d -t 'mytmpdir'` -metadata_file="${working_directory}/metadata.txt" - -save_metadata() { - local media_file - media_file="$1" - ffprobe -i "$media_file" 2> "$metadata_file" -} - -get_metadata_value() { - local key - key="$1" - normalize_whitespace "$($GREP --max-count=1 --only-matching "${key} *: .*" "$metadata_file" | cut -d : -f 2- | sed -e 's#/##g;s/ (Unabridged)//' | tr -s '[:blank:]' ' ')" -} - -get_bitrate() { - get_metadata_value bitrate | $GREP --only-matching '[0-9]\+' -} - -normalize_whitespace() { - echo $* -} - -for path -do - debug "Decoding ${path} with auth code ${auth_code}..." - - save_metadata "${path}" - genre=$(get_metadata_value genre) - artist=$(get_metadata_value artist) - title=$(get_metadata_value title) - output_directory="$(dirname "${path}")/${genre}/${artist}/${title}" - mkdir -p "${output_directory}" - full_file_path="${output_directory}/${title}.${extension}" - - ]\n[--output_dir ] {FILES}\n' -codec=libmp3lame -extension=mp3 -mode=chaptered -auth_code= -targetdir= -DEBUG=0 + +# Usage Synopsis. +usage=$'\nUsage: AAXtoMP3.sh [--flac] [--aac] [--opus ] [--single] [-e:m4a] [-e:m4b]\n[--authcode ] [--output_dir ] {FILES}\n' +codec=libmp3lame # Default encoder. +extension=mp3 # Default encoder extention. +mode=chaptered # Multi file output +auth_code= # Required to be set via file or option. +targetdir= # Optional output location. Note default is basedir of AAX file. +DEBUG=0 # Default off, If set extremely verbose output. +container= # Just in case we need to change the container. Used for M4A to M4B # ----- # Code tip Do not have any script above this point that calls a function or a binary. If you do @@ -17,21 +20,38 @@ DEBUG=0 # # Process the command line options. This allows for un-ordered options. Sorta like a getops style while true; do - case "$1" in - -f | --flac ) codec=flac; extension=flac; mode=single ; shift ;; - -a | --aac ) codec=copy; extension=m4a; mode=single ;shift ;; - -o | --opus ) codec=libopus; extension=ogg; shift ;; - -s | --single ) mode=single; shift ;; - -t | --target_dir ) targetdir="$2"; shift 2 ;; - -A | --authcode ) auth_code="$2"; shift 2 ;; - -d | --debug ) DEBUG=1; shift ;; - -h | --help ) printf "$usage" $0 ; exit ;; - -- ) shift; break ;; - * ) break ;; + case "$1" in + # Flac encoding + -f | --flac ) codec=flac; extension=flac; mode=single ; shift ;; + # Apple m4a music format. + -a | --aac ) codec=copy; extension=m4a; mode=single ; shift ;; + # Ogg Format + -o | --opus ) codec=libopus; extension=ogg; shift ;; + # If appropriate use only a single file output. + -s | --single ) mode=single; shift ;; + # This is the same as --single option. + -e:mp3 ) codec=libmp3lame; extension=mp3; mode=single; shift ;; + # Identical to --acc option. + -e:m4a ) codec=copy; extension=m4a; mode=single; shift ;; + # Similiar to --aac but specific to audio books. + -e:m4b ) codec=copy; extension=m4a; mode=single; container=m4b shift ;; + # Change the working dir from AAX directory to what you choose. + -t | --target_dir ) targetdir="$2"; shift 2 ;; + # Authorization code associate with the AAX file(s) + -A | --authcode ) auth_code="$2"; shift 2 ;; + # Extremely verbose output. + -d | --debug ) DEBUG=1; shift ;; + # Command synopsis. + -h | --help ) printf "$usage" $0 ; exit ;; + # Standard flag signifying the end of command line processing. + -- ) shift; break ;; + # Anything else stops command line processing. + * ) break ;; + esac done - +# ----- # Empty argv means we have nothing to do so lets bark some help. if [ "$#" -eq 0 ]; then printf "$usage" $0 @@ -54,6 +74,8 @@ fi # ----- # Obtain the authcode from either the command line, local directory or home directory. +# See Readme.md for details on how to aquire your personal authcode for your personal +# audible AAX files. if [ -z $auth_code ]; then if [ -r .authcode ]; then auth_code=`head -1 .authcode` @@ -61,6 +83,7 @@ if [ -z $auth_code ]; then auth_code=`head -1 ~/.authcode` fi fi +# No point going on if no authcode found. if [ -z $auth_code ]; then echo "ERROR Missing authcode" echo "$usage" @@ -78,14 +101,15 @@ fi # ======================================================================== # Utility Functions +# ----- # debug - debug() { if [ $DEBUG == 1 ] ; then echo "$(date "+%F %T%z") DEBUG ${1}" fi } +# ----- # debug dump contents of a file to STDOUT debug_file() { if [ $DEBUG == 1 ] ; then @@ -96,11 +120,13 @@ debug_file() { fi } +# ----- # log log() { echo "$(date "+%F %T%z") ${1}" } +# ----- # Clean up if someone hits ^c trap 'rm -r -f "${working_directory}"' EXIT working_directory=`mktemp -d 2>/dev/null || mktemp -d -t 'mytmpdir'` @@ -143,18 +169,19 @@ for path do log "Decoding ${path} with auth code ${auth_code}..." - # Check for Presense of Audiobook + # Check for Presense of Audiobook. Note this break the processing of + # of a list of books once a single missing file is found. if [[ ! -r "${path}" ]] ; then echo "ERROR: Input Audiobook file $path missing" exit 1 fi # ----- - # Make sure everything is a variable. Simplifying CMD interpretation + # Make sure everything is a variable. Simplifying Command interpretation save_metadata "${path}" genre=$(get_metadata_value genre) artist=$(get_metadata_value artist) - title=$(get_metadata_value title | sed 's/'\:'/'-\ '/g' | xargs -0) + title=$(get_metadata_value title | sed 's/'\:'/'-'/g' | sed 's/ / /g' | sed 's/- /-/g' | xargs -0) if [ ! -z targetdir ] ; then output_directory="${targetdir}/${genre}/${artist}/${title}" else @@ -169,6 +196,8 @@ do copyright="$(get_metadata_value copyright)" # Big long DEBUG output. Fully describes the settings used for transcoding. I could probably do this better. + # Not this is a long debug command. It's not critical to operation. It's purely for people debugging + # and coders wanting to extend the script. debug "$(printf '\n%-18s: %s\n%-18s: %s\n%-18s: %s\n%-18s: %s\n%-18s: %s\n%-18s: %s\n%-18s: %s\n%-18s: %s\n%-18s: %s\n%-18s: %s\n%-18s: %s\n%-18s: %s\n%-18s: %s\n%-18s: %sn%-18s: %s' title "${title}" auth_code "${auth_code}" mode "${mode}" path "${path}" codec "${codec}" bitrate "${bitrate}" artist "${artist}" album_artist "${album_artist}" album "${album}" album_date "${album_date}" genre "${genre}" copyright "${copyright}" full_file_path "${full_file_path}" metadata_file "${metadata_file}" working_directory "${working_directory}" )" # ----- @@ -177,22 +206,25 @@ do "${playlist_file}" + # Determine the number of chapters. chaptercount=$($GREP -Pc "Chapter.*start.*end" $metadata_file) log "Extracting ${chaptercount} chapter files from ${full_file_path}..." @@ -202,6 +234,9 @@ do if [[ "${first}" = "Chapter" ]]; then read -r -u9 _ read -r -u9 _ _ chapter + + # The formating of the chapters names and the file names. + # Chapter names are used in a few place. chapter_title="${title} - $(printf %0${#chaptercount}d $chapternum) ${chapter}" chapter_file="${output_directory}/${chapter_title}.${extension}" @@ -218,21 +253,33 @@ do debug "$(printf '\n%-18s: %s\n%-18s: %s\n%-18s: %s\n%-18s: %s\n%-18s: %s\n%-18s: %s\n%-18s: %s' cover_path "${cover_path}" start "${start%?}" end "${end}" id3_version_param "${id3_version_param}" chapternum "${chapternum}" chapter_title "${chapter_title}" chapter_file "${chapter_file}" )" # Extract chapter by time stamps start and finish of chapter. + # This extracts based on time stamps start and end. > "${playlist_file}" echo "${chapter_title}.${extension}" >> "${playlist_file}" chapternum=$((chapternum + 1 )) fi done 9< "$metadata_file" + + # Clean up of working directoy stuff. rm "${full_file_path}" log "Done creating chapters. Chaptered files contained in ${output_directory}." fi + # Detect if we are actuall m4b instead of m4a + if [[ ${extension} == "m4a" && ${container}="m4b" ]]; then + mv "${full_file_path}" "${full_file_path/.m4a/.m4b}" + fi + + log "Done. ${title}" + # Lastly get rid of any extra stuff. rm "${metadata_file}" done diff --git a/README.md b/README.md index d95cc08..fc86834 100644 --- a/README.md +++ b/README.md @@ -31,13 +31,24 @@ Thanks to kbabioch, this script has also been packaged in the [AUR](https://aur. ## Usage(s) ``` -bash AAXtoMP3 [-f|--flac] [-o|--opus] [-a|-aac] [-s|--single] [-A|--authcode ] [-o|--output_dir ] [-d|--debug] [-h|--help] ... +bash AAXtoMP3 [-f|--flac] [-o|--opus] [-a|-aac] [-s|--single] [-e:mp3] [-e:m4a] [-e:m4b] [-A|--authcode ] [-t|--target_dir ] [-d|--debug] [-h|--help] ... bash AAXtoM4B [AUTHCODE] ... ``` * **[AUTHCODE]** **your** Audible auth code (it won't correctly decode otherwise) (required), See below for more information on setting the AUTHCODE. * **<AAX INPUT_FILES>**... are considered input file(s), useful for batching! +## Options ## +* -f or --flac Flac Encoding and Produces a single file. +* -o or --opus Ogg/Opus Encoding defaults to multiple file output by chapter. The extention is .ogg +* -a or --aac AAC Encoding and produce a m4a single files output. +* -s or --single Output a single file. If you only want a single ogg file for instance. +* -A or --authcode for this execution of the command use the provided AUTHCODE to decode the AAX file. +* -t or --target_dir change the default output location to the named PATH. Note the default location is ./Audiobook of the directory to which each AAX file resides. +* -e:mp3 Identical to defaults. +* -e:m4a Create a m4a audio file. This is identical to --aac +* -e:m4b Create a m4b aduio file. This is the book version of the m4a format. + ### MP3 Encoding * This is the **default** encoding * Produces 1 or more mp3 files for the AAX title. If you desire a single file use the **--single** option @@ -58,9 +69,6 @@ bash AAXtoM4B [AUTHCODE] ... * Can be done by using the **-f** or **--flac** command line switches * FLAC is an open format with royalty-free licensing -### M4B Encoding - - ### Defaults * Specifying the AUTHCODE. In order of __precidence__.