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Diffstat (limited to 'dotfiles/system/.local/bin/AAXtoMP3')
| -rwxr-xr-x | dotfiles/system/.local/bin/AAXtoMP3 | 908 |
1 files changed, 0 insertions, 908 deletions
diff --git a/dotfiles/system/.local/bin/AAXtoMP3 b/dotfiles/system/.local/bin/AAXtoMP3 deleted file mode 100755 index adc91ef..0000000 --- a/dotfiles/system/.local/bin/AAXtoMP3 +++ /dev/null @@ -1,908 +0,0 @@ -#!/usr/bin/env bash - - -# ======================================================================== -# Command Line Options - -# Usage Synopsis. -usage=$'\nUsage: AAXtoMP3 [--flac] [--aac] [--opus ] [--single] [--level <COMPRESSIONLEVEL>] -[--chaptered] [-e:mp3] [-e:m4a] [-e:m4b] [--authcode <AUTHCODE>] [--no-clobber] -[--target_dir <PATH>] [--complete_dir <PATH>] [--validate] [--loglevel <LOGLEVEL>] -[--keep-author <N>] [--author <AUTHOR>] [--{dir,file,chapter}-naming-scheme <STRING>] -[--use-audible-cli-data] [--continue <CHAPTERNUMBER>] {FILES}\n' -codec=libmp3lame # Default encoder. -extension=mp3 # Default encoder extension. -level=-1 # Compression level. Can be given for mp3, flac and opus. -1 = default/not specified. -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. -dirNameScheme= # Custom directory naming scheme, default is $genre/$author/$title -customDNS=0 -fileNameScheme= # Custom file naming scheme, default is $title -customFNS=0 -chapterNameScheme= # Custom chapter naming scheme, default is '$title-$(printf %0${#chaptercount}d $chapternum) $chapter' (BookTitle-01 Chapter 1) -customCNS=0 -completedir= # Optional location to move aax files once the decoding is complete. -container=mp3 # Just in case we need to change the container. Used for M4A to M4B -VALIDATE=0 # Validate the input aax file(s) only. No Transcoding of files will occur -loglevel=1 # Loglevel: 0: Show progress only; 1: default; 2: a little more information, timestamps; 3: debug -noclobber=0 # Default off, clobber only if flag is enabled -continue=0 # Default off, If set Transcoding is skipped and chapter splitting starts at chapter continueAt. -continueAt=1 # Optional chapter to continue splitting the chapters. -keepArtist=-1 # Default off, if set change author metadata to use the passed argument as field -authorOverride= # Override the author, ignoring the metadata -audibleCli=0 # Default off, Use additional data gathered from mkb79/audible-cli -aaxc_key= # Initialize variables, in case we need them in debug_vars -aaxc_iv= # Initialize variables, in case we need them in debug_vars - -# ----- -# Code tip Do not have any script above this point that calls a function or a binary. If you do -# the $1 will no longer be a ARGV element. So you should only do basic variable setting above here. -# -# Process the command line options. This allows for un-ordered options. Sorta like a getops style -while true; do - case "$1" in - # Flac encoding - -f | --flac ) codec=flac; extension=flac; mode=single; container=flac; shift ;; - # Apple m4a music format. - -a | --aac ) codec=copy; extension=m4a; mode=single; container=m4a; shift ;; - # Ogg Format - -o | --opus ) codec=libopus; extension=opus; container=ogg; shift ;; - # If appropriate use only a single file output. - -s | --single ) mode=single; shift ;; - # If appropriate use only a single file output. - -c | --chaptered ) mode=chaptered; shift ;; - # This is the same as --single option. - -e:mp3 ) codec=libmp3lame; extension=mp3; mode=single; container=mp3; shift ;; - # Identical to --acc option. - -e:m4a ) codec=copy; extension=m4a; mode=single; container=mp4; shift ;; - # Similar to --aac but specific to audio books - -e:m4b ) codec=copy; extension=m4b; mode=single; container=mp4; shift ;; - # Change the working dir from AAX directory to what you choose. - -t | --target_dir ) targetdir="$2"; shift 2 ;; - # Use a custom directory naming scheme, with variables. - -D | --dir-naming-scheme ) dirNameScheme="$2"; customDNS=1; shift 2 ;; - # Use a custom file naming scheme, with variables. - -F | --file-naming-scheme ) fileNameScheme="$2"; customFNS=1; shift 2 ;; - # Use a custom chapter naming scheme, with variables. - --chapter-naming-scheme ) chapterNameScheme="$2"; customCNS=1; shift 2 ;; - # Move the AAX file to a new directory when decoding is complete. - -C | --complete_dir ) completedir="$2"; shift 2 ;; - # Authorization code associate with the AAX file(s) - -A | --authcode ) auth_code="$2"; shift 2 ;; - # Don't overwrite the target directory if it already exists - -n | --no-clobber ) noclobber=1; shift ;; - # Extremely verbose output. - -d | --debug ) loglevel=3; shift ;; - # Set loglevel. - -l | --loglevel ) loglevel="$2"; shift 2 ;; - # Validate ONLY the aax file(s) No transcoding occurs - -V | --validate ) VALIDATE=1; shift ;; - # continue splitting chapters at chapter continueAt - --continue ) continueAt="$2"; continue=1; shift 2 ;; - # Use additional data got with mkb79/audible-cli - --use-audible-cli-data ) audibleCli=1; shift ;; - # Compression level - --level ) level="$2"; shift 2 ;; - # Keep author number n - --keep-author ) keepArtist="$2"; shift 2 ;; - # Author override - --author ) authorOverride="$2"; shift 2 ;; - # Command synopsis. - -h | --help ) printf "$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 - exit 1 -fi - -# Setup safer bash script defaults. -set -o errexit -o noclobber -o nounset -o pipefail - -# ======================================================================== -# Utility Functions - -# ----- -# debug -# debug "Some longish message" -debug() { - if [ $loglevel == 3 ] ; then - echo "$(date "+%F %T%z") DEBUG ${1}" - fi -} - -# ----- -# debug dump contents of a file to STDOUT -# debug "<full path to file>" -debug_file() { - if [ $loglevel == 3 ] ; then - echo "$(date "+%F %T%z") DEBUG" - echo "=Start==========================================================================" - cat "${1}" - echo "=End============================================================================" - fi -} - -# ----- -# debug dump a list of internal script variables to STDOUT -# debug_vars "Some Message" var1 var2 var3 var4 var5 -debug_vars() { - if [ $loglevel == 3 ] ; then - msg="$1"; shift ; # Grab the message - args=("$@") # Grab the rest of the args - - # determine the length of the longest key - l=0 - for (( n=0; n<${#args[@]}; n++ )) ; do - (( "${#args[$n]}" > "$l" )) && l=${#args[$n]} - done - - # Print the Debug Message - echo "$(date "+%F %T%z") DEBUG ${msg}" - echo "=Start==========================================================================" - - # Using the max length of a var name we dynamically create the format. - fmt="%-"${l}"s = %s\n" - - for (( n=0; n<${#args[@]}; n++ )) ; do - eval val="\$${args[$n]}" ; # We save off the value of the var in question for ease of coding. - - echo "$(printf "${fmt}" ${args[$n]} "${val}" )" - done - echo "=End============================================================================" - fi -} - -# ----- -# log -log() { - if [ "$((${loglevel} > 1))" == "1" ] ; then - echo "$(date "+%F %T%z") ${1}" - else - echo "${1}" - fi -} - -# ----- -#progressbar produces a progressbar in the style of -# process: |####### | XX% (part/total unit) -# which is gonna be overwritten by the next line. - -progressbar() { - #get input - part=${1} - total=${2} - - #compute percentage and make print_percentage the same length regardless of the number of digits. - percentage=$((part*100/total)) - if [ "$((percentage<10))" = "1" ]; then print_percentage=" $percentage" - elif [ "$((percentage<100))" = "1" ]; then print_percentage=" $percentage" - else print_percentage="$percentage"; fi - - #draw progressbar with one # for every 5% and blank spaces for the missing part. - progressbar="" - for (( n=0; n<(percentage/5); n++ )) ; do progressbar="$progressbar#"; done - for (( n=0; n<(20-(percentage/5)); n++ )) ; do progressbar="$progressbar "; done - - #print progressbar - echo -ne "Chapter splitting: |$progressbar| $print_percentage% ($part/$total chapters)\r" -} -# Print out what we have already after command line processing. -debug_vars "Command line options as set" codec extension mode container targetdir completedir auth_code keepArtist authorOverride audibleCli - -# ======================================================================== -# Variable validation - -if [ $(uname) = 'Linux' ]; then - GREP="grep" - FIND="find" - SED="sed" -else - GREP="ggrep" - FIND="gfind" - SED="gsed" -fi - - -# ----- -# Detect which annoying version of grep we have -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 - -# ----- -# Detect which annoying version of find we have -if ! [[ $(type -P "$FIND") ]]; then - echo "$FIND (GNU find) is not in your PATH" - echo "Without it, this script will break." - echo "On macOS, you may want to try: brew install findutils" - exit 1 -fi - -# ----- -# Detect which annoying version of sed we have -if ! [[ $(type -P "$SED") ]]; then - echo "$SED (GNU sed) is not in your PATH" - echo "Without it, this script will break." - echo "On macOS, you may want to try: brew install gnu-sed" - exit 1 -fi - -# ----- -# Detect ffmpeg and ffprobe -if [[ "x$(type -P ffmpeg)" == "x" ]]; then - echo "ERROR ffmpeg was not found on your env PATH variable" - echo "Without it, this script will break." - echo "INSTALL:" - echo "MacOS: brew install ffmpeg" - echo "Ubuntu: sudo apt-get update; sudo apt-get install ffmpeg libav-tools x264 x265 bc" - echo "Ubuntu (20.04): sudo apt-get update; sudo apt-get install ffmpeg x264 x265 bc" - echo "RHEL: yum install ffmpeg" - exit 1 -fi - -# ----- -# Detect ffmpeg and ffprobe -if [[ "x$(type -P ffprobe)" == "x" ]]; then - echo "ERROR ffprobe was not found on your env PATH variable" - echo "Without it, this script will break." - echo "INSTALL:" - echo "MacOS: brew install ffmpeg" - echo "Ubuntu: sudo apt-get update; sudo apt-get install ffmpeg libav-tools x264 x265 bc" - echo "RHEL: yum install ffmpeg" - exit 1 -fi - - -# ----- -# Detect if we need mp4art for cover additions to m4a & m4b files. -if [[ "x${container}" == "xmp4" && "x$(type -P mp4art)" == "x" ]]; then - echo "WARN mp4art was not found on your env PATH variable" - echo "Without it, this script will not be able to add cover art to" - echo "m4b files. Note if there are no other errors the AAXtoMP3 will" - echo "continue. However no cover art will be added to the output." - echo "INSTALL:" - echo "MacOS: brew install mp4v2" - echo "Ubuntu: sudo apt-get install mp4v2-utils" -fi - -# ----- -# Detect if we need mp4chaps for adding chapters to m4a & m4b files. -if [[ "x${container}" == "xmp4" && "x$(type -P mp4chaps)" == "x" ]]; then - echo "WARN mp4chaps was not found on your env PATH variable" - echo "Without it, this script will not be able to add chapters to" - echo "m4a/b files. Note if there are no other errors the AAXtoMP3 will" - echo "continue. However no chapter data will be added to the output." - echo "INSTALL:" - echo "MacOS: brew install mp4v2" - echo "Ubuntu: sudo apt-get install mp4v2-utils" -fi - -# ----- -# Detect if we need mediainfo for adding description and narrator -if [[ "x$(type -P mediainfo)" == "x" ]]; then - echo "WARN mediainfo was not found on your env PATH variable" - echo "Without it, this script will not be able to add the narrator" - echo "and description tags. Note if there are no other errors the AAXtoMP3" - echo "will continue. However no such tags will be added to the output." - echo "INSTALL:" - echo "MacOS: brew install mediainfo" - echo "Ubuntu: sudo apt-get install mediainfo" -fi - -# ----- -# Obtain the authcode from either the command line, local directory or home directory. -# See Readme.md for details on how to acquire your personal authcode for your personal -# audible AAX files. -if [ -z $auth_code ]; then - if [ -r .authcode ]; then - auth_code=`head -1 .authcode` - elif [ -r ~/.authcode ]; then - auth_code=`head -1 ~/.authcode` - fi -fi - -# ----- -# Check the target dir for if set if it is writable -if [[ "x${targetdir}" != "x" ]]; then - if [[ ! -w "${targetdir}" || ! -d "${targetdir}" ]] ; then - echo "ERROR Target Directory does not exist or is not writable: \"$targetdir\"" - echo "$usage" - exit 1 - fi -fi - -# ----- -# Check the completed dir for if set if it is writable -if [[ "x${completedir}" != "x" ]]; then - if [[ ! -w "${completedir}" || ! -d "${completedir}" ]] ; then - echo "ERROR Complete Directory does not exist or is not writable: \"$completedir\"" - echo "$usage" - exit 1 - fi -fi - -# ----- -# Check whether the loglevel is valid -if [ "$((${loglevel} < 0 || ${loglevel} > 3 ))" = "1" ]; then - echo "ERROR loglevel has to be in the range from 0 to 3!" - echo " 0: Show progress only" - echo " 1: default" - echo " 2: a little more information, timestamps" - echo " 3: debug" - echo "$usage" - exit 1 -fi -# ----- -# If a compression level is given, check whether the given codec supports compression level specifiers and whether the level is valid. -if [ "${level}" != "-1" ]; then - if [ "${codec}" == "flac" ]; then - if [ "$((${level} < 0 || ${level} > 12 ))" = "1" ]; then - echo "ERROR Flac compression level has to be in the range from 0 to 12!" - echo "$usage" - exit 1 - fi - elif [ "${codec}" == "libopus" ]; then - if [ "$((${level} < 0 || ${level} > 10 ))" = "1" ]; then - echo "ERROR Opus compression level has to be in the range from 0 to 10!" - echo "$usage" - exit 1 - fi - elif [ "${codec}" == "libmp3lame" ]; then - if [ "$((${level} < 0 || ${level} > 9 ))" = "1" ]; then - echo "ERROR MP3 compression level has to be in the range from 0 to 9!" - echo "$usage" - exit 1 - fi - else - echo "ERROR This codec doesnt support compression levels!" - echo "$usage" - exit 1 - fi -fi - -# ----- -# Clean up if someone hits ^c or the script exits for any reason. -trap 'rm -r -f "${working_directory}"' EXIT - -# ----- -# Set up some basic working files ASAP. Note the trap will clean this up no matter what. -working_directory=`mktemp -d 2>/dev/null || mktemp -d -t 'mytmpdir'` -metadata_file="${working_directory}/metadata.txt" - -# ----- -# Validate the AAX and extract the metadata associated with the file. -validate_aax() { - local media_file - media_file="$1" - - # Test for existence - if [[ ! -r "${media_file}" ]] ; then - log "ERROR File NOT Found: ${media_file}" - return 1 - else - if [[ "${VALIDATE}" == "1" ]]; then - log "Test 1 SUCCESS: ${media_file}" - fi - fi - - # Clear the errexit value we want to capture the output of the ffprobe below. - set +e errexit - - # Take a look at the aax file and see if it is valid. If the source file is aaxc, we give ffprobe additional flags - output="$(ffprobe -loglevel warning ${decrypt_param} -i "${media_file}" 2>&1)" - - # If invalid then say something. - if [[ $? != "0" ]] ; then - # No matter what lets bark that something is wrong. - log "ERROR: Invalid File: ${media_file}" - elif [[ "${VALIDATE}" == "1" ]]; then - # If the validate option is present then lets at least state what is valid. - log "Test 2 SUCCESS: ${media_file}" - fi - - # This is a big test only performed when the --validate switch is passed. - if [[ "${VALIDATE}" == "1" ]]; then - output="$(ffmpeg -hide_banner ${decrypt_param} -i "${media_file}" -vn -f null - 2>&1)" - if [[ $? != "0" ]] ; then - log "ERROR: Invalid File: ${media_file}" - else - log "Test 3 SUCCESS: ${media_file}" - fi - fi - - # Dump the output of the ffprobe command. - debug "$output" - - # Turn it back on. ffprobe is done. - set -e errexit -} - -validate_extra_files() { - local extra_media_file extra_find_command - extra_media_file="$1" - # Bash trick to delete, non greedy, from the end up until the first '-' - extra_title="${extra_media_file%-*}" - - # Using this is not ideal, because if the naming scheme is changed then - # this part of the script will break - # AAX file: BookTitle-LC_128_44100_stereo.aax - # Cover file: BookTitle_(1215).jpg - # Chapter file: BookTitle-chapters.json - - # Chapter - extra_chapter_file="${extra_title}-chapters.json" - - # Cover - extra_dirname="$(dirname "${extra_media_file}")" - extra_find_command='$FIND "${extra_dirname}" -maxdepth 1 -regex ".*/${extra_title##*/}_([0-9]+)\.jpg"' - # We want the output of the find command, we will turn errexit on later - set +e errexit - extra_cover_file="$(eval ${extra_find_command})" - extra_eval_comm="$(eval echo ${extra_find_command})" - set -e errexit - - if [[ "${aaxc}" == "1" ]]; then - # bash trick to get file w\o extention (delete from end to the first '.') - extra_voucher="${extra_media_file%.*}.voucher" - if [[ ! -r "${extra_voucher}" ]] ; then - log "ERROR File NOT Found: ${extra_voucher}" - return 1 - fi - aaxc_key=$(jq -r '.content_license.license_response.key' "${extra_voucher}") - aaxc_iv=$(jq -r '.content_license.license_response.iv' "${extra_voucher}") - fi - - debug_vars "Audible-cli variables" extra_media_file extra_title extra_chapter_file extra_cover_file extra_find_command extra_eval_comm extra_dirname extra_voucher aaxc_key aaxc_iv - - # Test for chapter file existence - if [[ ! -r "${extra_chapter_file}" ]] ; then - log "ERROR File NOT Found: ${extra_chapter_file}" - return 1 - fi - if [[ "x${extra_cover_file}" == "x" ]] ; then - log "ERROR Cover File NOT Found" - return 1 - fi - - debug "All expected audible-cli related file are here" -} - -# ----- -# Inspect the AAX and extract the metadata associated with the file. -save_metadata() { - local media_file - media_file="$1" - ffprobe -i "$media_file" 2> "$metadata_file" - if [[ $(type -P mediainfo) ]]; then - echo "Mediainfo data START" >> "$metadata_file" - # Mediainfo output is structured like ffprobe, so we append it to the metadata file and then parse it with get_metadata_value() - # mediainfo "$media_file" >> "$metadata_file" - # Or we only get the data we are intrested in: - # Description - echo "Track_More :" "$(mediainfo --Inform="General;%Track_More%" "$media_file")" >> "$metadata_file" - # Narrator - echo "nrt :" "$(mediainfo --Inform="General;%nrt%" "$media_file")" >> "$metadata_file" - # Publisher - echo "pub :" "$(mediainfo --Inform="General;%pub%" "$media_file")" >> "$metadata_file" - echo "Mediainfo data END" >> "$metadata_file" - fi - if [[ "${audibleCli}" == "1" ]]; then - # If we use data we got with audible-cli, we delete conflicting chapter infos - $SED -i '/^ Chapter #/d' "${metadata_file}" - # Some magic: we parse the .json generated by audible-cli. - # to get the output structure like the one generated by ffprobe, - # we use some characters (#) as placeholder, add some new lines, - # put a ',' after the start value, we calculate the end of each chapter - # as start+length, and we convert (divide) the time stamps from ms to s. - # Then we delete all ':' since they make a filename invalid. - jq -r '.content_metadata.chapter_info.chapters[] | "Chapter # start: \(.start_offset_ms/1000), end: \((.start_offset_ms+.length_ms)/1000) \n#\n# Title: \(.title)"' "${extra_chapter_file}" \ - | tr -d ':' >> "$metadata_file" - fi - debug "Metadata file $metadata_file" - debug_file "$metadata_file" -} - -# ----- -# Reach into the meta data and extract a specific value. -# This is a long pipe of transforms. -# This finds the first occurrence of the key : value pair. -get_metadata_value() { - local key - key="$1" - # Find the key in the meta data file # Extract field value # Remove the following /'s "(Unabridged) <blanks> at start end and multiples. - echo "$($GREP --max-count=1 --only-matching "${key} *: .*" "$metadata_file" | cut -d : -f 2- | $SED -e 's#/##g;s/ (Unabridged)//;s/^[[:blank:]]\+//g;s/[[:blank:]]\+$//g' | $SED 's/[[:blank:]]\+/ /g')" -} - -# ----- -# specific variant of get_metadata_value bitrate is important for transcoding. -get_bitrate() { - get_metadata_value bitrate | $GREP --only-matching '[0-9]\+' -} - -# Save the original value, since in the for loop we overwrite -# $audibleCli in case the file is aaxc. If the file is the -# old aax, reset the variable to be the one passed by the user -originalAudibleCliVar=$audibleCli -# ======================================================================== -# Main Transcode Loop -for aax_file -do - # If the file is in aaxc format, set the proper variables - if [[ ${aax_file##*.} == "aaxc" ]]; then - # File is the new .aaxc - aaxc=1 - audibleCli=1 - else - # File is the old .aax - aaxc=0 - # If some previous file in the loop are aaxc, the $audibleCli variable has been overwritten, so we reset it to the original one - audibleCli=$originalAudibleCliVar - fi - - debug_vars "Variables set based on file extention" aaxc originalAudibleCliVar audibleCli - - # No point going on if no authcode found and the file is aax. - # If we use aaxc as input, we do not need it - # if the string $auth_code is null and the format is not aaxc; quit. We need the authcode - if [ -z $auth_code ] && [ "${aaxc}" = "0" ]; then - echo "ERROR Missing authcode, can't decode $aax_file" - echo "$usage" - exit 1 - fi - - # Validate the input aax file. Note this happens no matter what. - # It's just that if the validate option is set then we skip to next file. - # If however validate is not set and we proceed with the script any errors will - # case the script to stop. - - # If the input file is aaxc, we need to first get the audible_key and audible_iv - # We get them in the function validate_extra_files - - if [[ ${audibleCli} == "1" ]] ; then - # If we have additional files (obtained via audible-cli), be sure that they - # exists and they are in the correct location. - validate_extra_files "${aax_file}" - fi - - # Set the needed params to decrypt the file. Needed in all command that require ffprobe or ffmpeg - # After validate_extra_files, since the -audible_key and -audible_iv are read in that function - if [[ ${aaxc} == "1" ]] ; then - decrypt_param="-audible_key ${aaxc_key} -audible_iv ${aaxc_iv}" - else - decrypt_param="-activation_bytes ${auth_code}" - fi - - validate_aax "${aax_file}" - if [[ ${VALIDATE} == "1" ]] ; then - # Don't bother doing anything else with this file. - continue - fi - - # ----- - # Make sure everything is a variable. Simplifying Command interpretation - save_metadata "${aax_file}" - genre=$(get_metadata_value genre) - if [ "x${authorOverride}" != "x" ]; then - #Manual Override - artist="${authorOverride}" - album_artist="${authorOverride}" - else - if [ "${keepArtist}" != "-1" ]; then - # Choose artist from the one that are present in the metadata. Comma separated list of names - # remove leading space; 'C. S. Lewis' -> 'C.S. Lewis' - artist="$(get_metadata_value artist | cut -d',' -f"$keepArtist" | $SED -E 's|^ ||g; s|\. +|\.|g; s|((\w+\.)+)|\1 |g')" - album_artist="$(get_metadata_value album_artist | cut -d',' -f"$keepArtist" | $SED -E 's|^ ||g; s|\. +|\.|g; s|((\w+\.)+)|\1 |g')" - else - # The default - artist=$(get_metadata_value artist) - album_artist="$(get_metadata_value album_artist)" - fi - fi - title=$(get_metadata_value title) - title=${title:0:128} - bitrate="$(get_bitrate)k" - album="$(get_metadata_value album)" - album_date="$(get_metadata_value date)" - copyright="$(get_metadata_value copyright)" - - # Get more tags with mediainfo - if [[ $(type -P mediainfo) ]]; then - narrator="$(get_metadata_value nrt)" - description="$(get_metadata_value Track_More)" - publisher="$(get_metadata_value pub)" - else - narrator="" - description="" - publisher="" - fi - - # Define the output_directory - if [ "${customDNS}" == "1" ]; then - currentDirNameScheme="$(eval echo "${dirNameScheme}")" - else - # The Default - currentDirNameScheme="${genre}/${artist}/${title}" - fi - - # If we defined a target directory, use it. Otherwise use the location of the AAX file - if [ "x${targetdir}" != "x" ] ; then - output_directory="${targetdir}/${currentDirNameScheme}/" - else - output_directory="$(dirname "${aax_file}")/${currentDirNameScheme}/" - fi - - # Define the output_file - if [ "${customFNS}" == "1" ]; then - currentFileNameScheme="$(eval echo "${fileNameScheme}")" - else - # The Default - currentFileNameScheme="${title}" - fi - output_file="${output_directory}/${currentFileNameScheme}.${extension}" - - if [[ "${noclobber}" = "1" ]] && [[ -d "${output_directory}" ]]; then - log "Noclobber enabled but directory '${output_directory}' exists. Exiting to avoid overwriting" - exit 0 - fi - mkdir -p "${output_directory}" - - if [ "$((${loglevel} > 0))" = "1" ]; then - # Fancy declaration of which book we are decoding. Including the AUTHCODE. - dashline="----------------------------------------------------" - log "$(printf '\n----Decoding---%s%s--%s--' "${title}" "${dashline:${#title}}" "${auth_code}")" - log "Source: ${aax_file}" - fi - - # Big long DEBUG output. Fully describes the settings used for transcoding. - # Note this is a long debug command. It's not critical to operation. It's purely for people debugging - # and coders wanting to extend the script. - debug_vars "Book and Variable values" title auth_code aaxc aaxc_key aaxc_iv mode aax_file container codec bitrate artist album_artist album album_date genre copyright narrator description publisher currentDirNameScheme output_directory currentFileNameScheme output_file metadata_file working_directory - - - # Display the total length of the audiobook in format hh:mm:ss - # 10#$var force base-10 interpretation. By default it's base-8, so values like 08 or 09 are not octal numbers - total_length="$(ffprobe -v error ${decrypt_param} -show_entries format=duration -of default=noprint_wrappers=1:nokey=1 "${aax_file}" | cut -d . -f 1)" - hours="$((total_length/3600))" - if [ "$((hours<10))" = "1" ]; then hours="0$hours"; fi - minutes="$((total_length/60-60*10#$hours))" - if [ "$((minutes<10))" = "1" ]; then minutes="0$minutes"; fi - seconds="$((total_length-3600*10#$hours-60*10#$minutes))" - if [ "$((seconds<10))" = "1" ]; then seconds="0$seconds"; fi - log "Total length: $hours:$minutes:$seconds" - - # If level != -1 specify a compression level in ffmpeg. - compression_level_param="" - if [ "${level}" != "-1" ]; then - compression_level_param="-compression_level ${level}" - fi - - # ----- - if [ "${continue}" == "0" ]; then - # This is the main work horse command. This is the primary transcoder. - # This is the primary transcode. All the heavy lifting is here. - debug 'ffmpeg -loglevel error -stats ${decrypt_param} -i "${aax_file}" -vn -codec:a "${codec}" -ab ${bitrate} -map_metadata -1 -metadata title="${title}" -metadata artist="${artist}" -metadata album_artist="${album_artist}" -metadata album="${album}" -metadata date="${album_date}" -metadata track="1/1" -metadata genre="${genre}" -metadata copyright="${copyright}" "${output_file}"' - </dev/null ffmpeg -loglevel error \ - -stats \ - ${decrypt_param} \ - -i "${aax_file}" \ - -vn \ - -codec:a "${codec}" \ - ${compression_level_param} \ - -ab ${bitrate} \ - -map_metadata -1 \ - -metadata title="${title}" \ - -metadata artist="${artist}" \ - -metadata album_artist="${album_artist}" \ - -metadata album="${album}" \ - -metadata date="${album_date}" \ - -metadata track="1/1" \ - -metadata genre="${genre}" \ - -metadata copyright="${copyright}" \ - -metadata description="${description}" \ - -metadata composer="${narrator}" \ - -metadata publisher="${publisher}" \ - -f ${container} \ - "${output_file}" - if [ "$((${loglevel} > 0))" == "1" ]; then - log "Created ${output_file}." - fi - # ----- - fi - # Grab the cover art if available. - cover_file="${output_directory}/cover.jpg" - extra_crop_cover='' - if [ "${continue}" == "0" ]; then - if [ "${audibleCli}" == "1" ]; then - # We have a better quality cover file, copy it. - if [ "$((${loglevel} > 1))" == "1" ]; then - log "Copy cover file to ${cover_file}..." - fi - cp "${extra_cover_file}" "${cover_file}" - - # We now set a variable, ${extra_crop_cover}, which contains an additional - # ffmpeg flag. It crops the cover so the width and the height is divisible by two. - # Since the standard (in the aax file) image resolution is 512, we set the flag - # only if we use a custom cover art. - extra_crop_cover='-vf crop=trunc(iw/2)*2:trunc(ih/2)*2' - else - # Audible-cli not used, extract the cover from the aax file - if [ "$((${loglevel} > 1))" == "1" ]; then - log "Extracting cover into ${cover_file}..." - fi - </dev/null ffmpeg -loglevel error -activation_bytes "${auth_code}" -i "${aax_file}" -an -codec:v copy "${cover_file}" - fi - fi - - # ----- - # If mode=chaptered, split the big converted file by chapter and remove it afterwards. - # Not all audio encodings make sense with multiple chapter outputs (see options section) - if [ "${mode}" == "chaptered" ]; then - # Playlist m3u support - playlist_file="${output_directory}/${currentFileNameScheme}.m3u" - if [ "${continue}" == "0" ]; then - if [ "$((${loglevel} > 0))" == "1" ]; then - log "Creating PlayList ${currentFileNameScheme}.m3u" - fi - echo '#EXTM3U' > "${playlist_file}" - fi - - # Determine the number of chapters. - chaptercount=$($GREP -Pc "Chapter.*start.*end" $metadata_file) - if [ "$((${loglevel} > 0))" == "1" ]; then - log "Extracting ${chaptercount} chapter files from ${output_file}..." - if [ "${continue}" == "1" ]; then - log "Continuing at chapter ${continueAt}:" - fi - fi - chapternum=1 - #start progressbar for loglevel 0 and 1 - if [ "$((${loglevel} < 2))" == "1" ]; then - progressbar 0 ${chaptercount} - fi - # We pipe the metadata_file in read. - # Example of the section that we are interested in: - # - # Chapter #0:0: start 0.000000, end 1928.231474 - # Metadata: - # title : Chapter 1 - # - # Then read the line in these variables: - # first Chapter - # _ #0:0: - # _ start - # chapter_start 0.000000, - # _ end - # chapter_end 1928.231474 - while read -r -u9 first _ _ chapter_start _ chapter_end - do - # Do things only if the line starts with 'Chapter' - if [[ "${first}" = "Chapter" ]]; then - # The next line (Metadata:...) gets discarded - read -r -u9 _ - # From the line 'title : Chapter 1' we save the third field and those after in chapter - read -r -u9 _ _ chapter - - # The formatting of the chapters names and the file names. - # Chapter names are used in a few place. - # Define the chapter_file - if [ "${customCNS}" == "1" ]; then - chapter_title="$(eval echo "${chapterNameScheme}")" - else - # The Default - chapter_title="${title}-$(printf %0${#chaptercount}d $chapternum) ${chapter}" - fi - chapter_file="${output_directory}/${chapter_title}.${extension}" - - # Since the .aax file allready got converted we can use - # -acodec copy, which is much faster than a reencodation. - # Since there is an issue when using copy on flac, where - # the duration of the chapters gets shown as if they where - # as long as the whole audiobook. - chapter_codec="" - if test "${extension}" = "flac"; then - chapter_codec="flac "${compression_level_param}"" - else - chapter_codec="copy" - fi - - #Since there seems to be a bug in some older versions of ffmpeg, which makes, that -ss and -to - #have to be apllied to the output file, this makes, that -ss and -to get applied on the input for - #ffmpeg version 4+ and on the output for all older versions. - split_input="" - split_output="" - if [ "$(($(ffmpeg -version | $SED -E 's/[^0-9]*([0-9]).*/\1/g;1q') > 3))" = "1" ]; then - split_input="-ss ${chapter_start%?} -to ${chapter_end}" - else - split_output="-ss ${chapter_start%?} -to ${chapter_end}" - fi - - # Big Long chapter debug - debug_vars "Chapter Variables:" cover_file chapter_start chapter_end chapternum chapter chapterNameScheme chapter_title chapter_file - if [ "$((${continueAt} > ${chapternum}))" = "0" ]; then - # Extract chapter by time stamps start and finish of chapter. - # This extracts based on time stamps start and end. - if [ "$((${loglevel} > 1))" == "1" ]; then - log "Splitting chapter ${chapternum}/${chaptercount} start:${chapter_start%?}(s) end:${chapter_end}(s)" - fi - </dev/null ffmpeg -loglevel quiet \ - -nostats \ - ${split_input} \ - -i "${output_file}" \ - -i "${cover_file}" \ - ${extra_crop_cover} \ - ${split_output} \ - -map 0:0 \ - -map 1:0 \ - -acodec ${chapter_codec} \ - -metadata:s:v title="Album cover" \ - -metadata:s:v comment="Cover (Front)" \ - -metadata track="${chapternum}" \ - -metadata title="${chapter}" \ - -metadata:s:a title="${chapter}" \ - -metadata:s:a track="${chapternum}" \ - -map_chapters -1 \ - -f ${container} \ - "${chapter_file}" - # ----- - if [ "$((${loglevel} < 2))" == "1" ]; then - progressbar ${chapternum} ${chaptercount} - fi - # OK lets get what need for the next chapter in the Playlist m3u file. - # Playlist creation. - duration=$(echo "${chapter_end} - ${chapter_start%?}" | bc) - echo "#EXTINF:${duration%.*},${title} - ${chapter}" >> "${playlist_file}" - echo "${chapter_title}.${extension}" >> "${playlist_file}" - fi - chapternum=$((chapternum + 1 )) - fi - done 9< "$metadata_file" - - # Clean up of working directory stuff. - rm "${output_file}" - if [ "$((${loglevel} > 1))" == "1" ]; then - log "Done creating chapters for ${output_directory}." - else - #ending progress bar - echo "" - fi - else - # Perform file tasks on output file. - # ---- - # ffmpeg seems to copy only chapter position, not chapter names. - if [[ ${container} == "mp4" && $(type -P mp4chaps) ]]; then - ffprobe -i "${aax_file}" -print_format csv -show_chapters 2>/dev/null | awk -F "," '{printf "CHAPTER%02d=%02d:%02d:%02.3f\nCHAPTER%02dNAME=%s\n", NR, $5/60/60, $5/60%60, $5%60, NR, $8}' > "${output_directory}/${currentFileNameScheme}.chapters.txt" - mp4chaps -i "${output_file}" - fi - fi - - # ----- - # Announce that we have completed the transcode - if [ "$((${loglevel} > 0))" == "1" ]; then - log "Complete ${title}" - fi - # Lastly get rid of any extra stuff. - rm "${metadata_file}" - - # Move the aax file if the decode is completed and the --complete_dir is set to a valid location. - # Check the target dir for if set if it is writable - if [[ "x${completedir}" != "x" ]]; then - if [ "$((${loglevel} > 0))" == "1" ]; then - log "Moving Transcoded ${aax_file} to ${completedir}" - fi - mv "${aax_file}" "${completedir}" - fi - -done |