fabian/AAXtoMP3
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Added in support for m4b, Removed old m4b script.

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This commit is contained in:
upuv
2018-05-23 23:18:23 +10:00
parent 6f343c9191
commit 67d4d05b52
3 changed files with 84 additions and 141 deletions
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97
AAXtoMP3
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@ -3,13 +3,16 @@
# ========================================================================
# Command Line Options
usage=$'\nUsage: AAXtoMP3.sh [--flac] [--aac] [--opus ] [--single] [--authcode <AUTHCODE>]\n[--output_dir <PATH>] {FILES}\n'
codec=libmp3lame
extension=mp3
mode=chaptered
auth_code=
targetdir=
DEBUG=0
# Usage Synopsis.
usage=$'\nUsage: AAXtoMP3.sh [--flac] [--aac] [--opus ] [--single] [-e:m4a] [-e:m4b]\n[--authcode <AUTHCODE>] [--output_dir <PATH>] {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 "${working_directory}" )"
# -----
@ -177,22 +206,25 @@ do
</dev/null ffmpeg -loglevel error -stats -activation_bytes "${auth_code}" -i "${path}" -vn -codec:a "${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}" "${full_file_path}"
log "Created ${full_file_path}."
# -----
# Grab the cover art if available.
cover_path="${output_directory}/cover.jpg"
log "Extracting cover into ${cover_path}..."
</dev/null ffmpeg -loglevel error -activation_bytes "${auth_code}" -i "${path}" -an -codec:v copy "${cover_path}"
# -----
# OK now spit the file if that's what you want.
# If we want multiple file we take the big mp3 and split it by chapter.
# Not all audio encodings make sense with multiple chapter outputs. See options section
# for more detail
if [ "${mode}" == "chaptered" ]; then
# Playlist m3u support
playlist_file="${output_directory}/${title}.m3u"
log "Creating PlayList ${title}.m3u"
echo '#EXTM3U' > "${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.
</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 ${id3_version_param} \
-metadata:s:v title="Album cover" -metadata:s:v comment="Cover (Front)" -metadata track="${chapternum}" -metadata title="${chapter_title}" \
"${chapter_file}"
# OK lets get what need for the next chapter in the Playlist m3u file.
# -----
# OK lets get what need for the next chapter in the Playlist m3u file.
# Playlist creation.
duration=$(echo "${end} - ${start%?}" | bc)
echo "#EXTINF:${duration%.*},${title} - ${chapter}" >> "${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