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https://github.com/KrumpetPirate/AAXtoMP3.git
synced 2024-11-18 03:08:57 +01:00
Add no-clobber option to CLI
So the user can abort if the target directory would be overwritten. Pork: Remove trailing whitespace
This commit is contained in:
Benjamin Porter
parent
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commit
7b77b944cf
96
AAXtoMP3
96
AAXtoMP3
@ -5,7 +5,7 @@
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# Command Line Options
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# Usage Synopsis.
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usage=$'\nUsage: AAXtoMP3 [--flac] [--aac] [--opus ] [--single] [--chaptered]\n[-e:mp3] [-e:m4a] [-e:m4b] [--authcode <AUTHCODE>]\n[--target_dir <PATH>] [--complete_dir <PATH>] [--validate]\n{FILES}\n'
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usage=$'\nUsage: AAXtoMP3 [--flac] [--aac] [--opus ] [--single] [--chaptered]\n[-e:mp3] [-e:m4a] [-e:m4b] [--authcode <AUTHCODE>] [--no-clobber]\n[--target_dir <PATH>] [--complete_dir <PATH>] [--validate]\n{FILES}\n'
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codec=libmp3lame # Default encoder.
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extension=mp3 # Default encoder extention.
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mode=chaptered # Multi file output
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@ -22,15 +22,15 @@ DEBUG=0 # Default off, If set extremely verbose output.
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#
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# Process the command line options. This allows for un-ordered options. Sorta like a getops style
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while true; do
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case "$1" in
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case "$1" in
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# Flac encoding
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-f | --flac ) codec=flac; extension=flac; mode=single; container=flac; shift ;;
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-f | --flac ) codec=flac; extension=flac; mode=single; container=flac; shift ;;
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# Apple m4a music format.
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-a | --aac ) codec=copy; extension=m4a; mode=single; container=m4a; shift ;;
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-a | --aac ) codec=copy; extension=m4a; mode=single; container=m4a; shift ;;
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# Ogg Format
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-o | --opus ) codec=libopus; extension=ogg; container=flac; shift ;;
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-o | --opus ) codec=libopus; extension=ogg; container=flac; shift ;;
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# If appropriate use only a single file output.
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-s | --single ) mode=single; shift ;;
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-s | --single ) mode=single; shift ;;
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# If appropriate use only a single file output.
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-c | --chaptered ) mode=chaptered; shift ;;
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# This is the same as --single option.
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@ -40,21 +40,23 @@ while true; do
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# Similiar to --aac but specific to audio books
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-e:m4b ) codec=copy; extension=m4b; mode=single; container=mp4; shift ;;
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# Change the working dir from AAX directory to what you choose.
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-t | --target_dir ) targetdir="$2"; shift 2 ;;
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-t | --target_dir ) targetdir="$2"; shift 2 ;;
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# Move the AAX file to a new directory when decoding is complete.
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-C | --complete_dir ) completedir="$2"; shift 2 ;;
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# Authorization code associate with the AAX file(s)
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-A | --authcode ) auth_code="$2"; shift 2 ;;
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-A | --authcode ) auth_code="$2"; shift 2 ;;
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# Don't overwrite the target directory if it already exists
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-n | --no-clobber ) noclobber=1; shift ;;
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# Extremely verbose output.
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-d | --debug ) DEBUG=1; shift ;;
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# Validate ONLY the aax file(s) No transcoding occurs
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-V | --validate ) VALIDATE=1; shift ;;
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-V | --validate ) VALIDATE=1; shift ;;
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# Command synopsis.
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-h | --help ) printf "$usage" $0 ; exit ;;
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-h | --help ) printf "$usage" $0 ; exit ;;
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# Standard flag signifying the end of command line processing.
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-- ) shift; break ;;
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-- ) shift; break ;;
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# Anything else stops command line processing.
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* ) break ;;
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* ) break ;;
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esac
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done
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@ -105,13 +107,13 @@ debug_vars() {
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l=0
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for (( n=0; n<${#args[@]}; n++ )) ; do
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(( "${#args[$n]}" > "$l" )) && l=${#args[$n]}
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done
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done
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# Print the Debug Message
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echo "$(date "+%F %T%z") DEBUG ${msg}"
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echo "=Start=========================================================================="
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# Using the max length of a var name we dynamically create the format.
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# Using the max length of a var name we dynamically create the format.
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fmt="%-"${l}"s = %s\n"
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for (( n=0; n<${#args[@]}; n++ )) ; do
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@ -121,7 +123,7 @@ debug_vars() {
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done
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echo "=End============================================================================"
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fi
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}
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}
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# -----
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# log
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@ -161,24 +163,24 @@ fi
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if [[ "x$(type -P ffmpeg)" == "x" ]]; then
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echo "ERROR ffmpeg was not found on your env PATH variable"
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echo "Without it, this script will break."
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echo "INSTALL:"
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echo "INSTALL:"
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echo "MacOS: brew install ffmpeg"
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echo "Ubuntu: sudo apt-get update; sudo apt-get install ffmpeg libav-tools x264 x265 bc"
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echo "RHEL: yum install ffmpeg"
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exit 1
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fi
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fi
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# -----
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# Detect ffmpeg and ffprobe
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if [[ "x$(type -P ffprobe)" == "x" ]]; then
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echo "ERROR ffprobe was not found on your env PATH variable"
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echo "Without it, this script will break."
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echo "INSTALL:"
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echo "INSTALL:"
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echo "MacOS: brew install ffmpeg"
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echo "Ubuntu: sudo apt-get update; sudo apt-get install ffmpeg libav-tools x264 x265 bc"
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echo "RHEL: yum install ffmpeg"
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exit 1
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fi
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fi
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# -----
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@ -188,7 +190,7 @@ if [[ "x${container}" == "xmp4" && "x$(type -P mp4art)" == "x" ]]; then
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echo "Without it, this script will not be able to add cover art to"
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echo "m4b files. Note if there are no other errors the AAXtoMP3 will"
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echo "continue. However no cover art will be added to the output."
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echo "INSTALL:"
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echo "INSTALL:"
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echo "MacOS: brew install mp4v2"
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echo "Ubuntu: sudo apt-get install mp4v2-utils"
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fi
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@ -200,7 +202,7 @@ if [[ "x${container}" == "xmp4" && "x$(type -P mp4chaps)" == "x" ]]; then
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echo "Without it, this script will not be able to add chapters to"
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echo "m4a/b files. Note if there are no other errors the AAXtoMP3 will"
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echo "continue. However no chapter data will be added to the output."
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echo "INSTALL:"
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echo "INSTALL:"
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echo "MacOS: brew install mp4v2"
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echo "Ubuntu: sudo apt-get install mp4v2-utils"
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fi
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@ -220,26 +222,26 @@ 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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exit 1
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fi
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# -----
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# Check the target dir for if set if it is writable
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if [[ "x${targetdir}" != "x" ]]; then
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if [[ "x${targetdir}" != "x" ]]; then
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if [[ ! -w "${targetdir}" || ! -d "${targetdir}" ]] ; then
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echo "ERROR Target Directory does not exist or is not writable: \"$targetdir\""
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echo "$usage"
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exit 1
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exit 1
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fi
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fi
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# -----
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# Check the target dir for if set if it is writable
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if [[ "x${completedir}" != "x" ]]; then
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# Check the completed dir for if set if it is writable
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if [[ "x${completedir}" != "x" ]]; then
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if [[ ! -w "${completedir}" || ! -d "${completedir}" ]] ; then
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echo "ERROR Complete Directory does not exist or is not writable: \"$completedir\""
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echo "$usage"
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exit 1
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exit 1
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fi
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fi
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@ -248,7 +250,7 @@ fi
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trap 'rm -r -f "${working_directory}"' EXIT
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# -----
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# Set up some basic working files ASAP. Note the trap will clean this up no matter what.
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# Set up some basic working files ASAP. Note the trap will clean this up no matter what.
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working_directory=`mktemp -d 2>/dev/null || mktemp -d -t 'mytmpdir'`
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metadata_file="${working_directory}/metadata.txt"
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@ -257,7 +259,7 @@ metadata_file="${working_directory}/metadata.txt"
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validate_aax() {
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local media_file
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media_file="$1"
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# Test for existance
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if [[ ! -r "${media_file}" ]] ; then
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log "ERROR File NOT Found: ${media_file}"
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@ -275,20 +277,20 @@ validate_aax() {
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output="$(ffprobe -loglevel warning -activation_bytes ${auth_code} -i "${media_file}" 2>&1)"
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# If invalid then say something.
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if [[ $? != "0" ]] ; then
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if [[ $? != "0" ]] ; then
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# No matter what lets bark that something is wrong.
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log "ERROR: Invalid File: ${media_file}"
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elif [[ "${VALIDATE}" == "1" ]]; then
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# If the validate option is present then lets at least state what is valid.
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log "Test 2 SUCCESS: ${media_file}"
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fi
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fi
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# This is a big test only performed when the --validate swicth is passed.
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# This is a big test only performed when the --validate switch is passed.
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if [[ "${VALIDATE}" == "1" ]]; then
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output="$(ffmpeg -hide_banner -activation_bytes ${auth_code} -i "${media_file}" -vn -f null - 2>&1)"
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if [[ $? != "0" ]] ; then
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if [[ $? != "0" ]] ; then
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log "ERROR: Invalid File: ${media_file}"
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else
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else
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log "Test 3 SUCCESS: ${media_file}"
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fi
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fi
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@ -312,7 +314,7 @@ save_metadata() {
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# -----
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# Reach into the meta data and extract a specific value.
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# This is a long pipe of transforms.
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# This is a long pipe of transforms.
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# This finds the first occurance of the key : value pair.
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get_metadata_value() {
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local key
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@ -334,7 +336,7 @@ do
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# Validate the input aax file. Note this happens no matter what.
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# It's just that if the validate option is set then we skip to next file.
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# If however vlaidate is not set and we proceed with the script any errors will
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# If however vlaidate is not set and we proceed with the script any errors will
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# case the script to stop.
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validate_aax "${aax_file}"
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if [[ ${VALIDATE} == "1" ]] ; then
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@ -360,6 +362,10 @@ do
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album_date="$(get_metadata_value date)"
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copyright="$(get_metadata_value copyright)"
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if [[ "${noclobber}" = "1" ]] && [[ -d "${output_directory}" ]]; then
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log "Noclobber enabled but directory '${output_directory}' exists. Exiting to avoid overwriting"
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exit 0
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fi
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mkdir -p "${output_directory}"
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# Fancy declaration of which book we are decoding. Including the AUTHCODE.
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@ -384,7 +390,7 @@ do
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# Grab the cover art if available.
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cover_file="${output_directory}/cover.jpg"
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log "Extracting cover into ${cover_file}..."
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</dev/null ffmpeg -loglevel error -activation_bytes "${auth_code}" -i "${aax_file}" -an -codec:v copy "${cover_file}"
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</dev/null ffmpeg -loglevel error -activation_bytes "${auth_code}" -i "${aax_file}" -an -codec:v copy "${cover_file}"
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# -----
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# OK now spit the file if that's what you want.
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@ -408,11 +414,11 @@ do
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read -r -u9 _
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read -r -u9 _ _ chapter
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# The formating of the chapters names and the file names.
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# The formating of the chapters names and the file names.
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# Chapter names are used in a few place.
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chapter_title="${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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@ -430,10 +436,10 @@ do
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</dev/null ffmpeg -loglevel quiet -nostats -i "${output_file}" -i "${cover_file}" -ss "${chapter_start%?}" -to "${chapter_end}" -map 0:0 -map 1:0 -acodec "${codec}" ${id3_version_param} \
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-metadata:s:v title="Album cover" -metadata:s:v comment="Cover (Front)" -metadata track="${chapternum}" -metadata title="${chapter_title}" \
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"${chapter_file}"
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# -----
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# OK lets get what need for the next chapter in the Playlist m3u file.
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# Playlist creation.
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# Playlist creation.
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duration=$(echo "${chapter_end} - ${chapter_start%?}" | bc)
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echo "#EXTINF:${duration%.*},${title} - ${chapter}" >> "${playlist_file}"
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echo "${chapter_title}.${extension}" >> "${playlist_file}"
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@ -444,7 +450,7 @@ do
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if [[ ${container} == "mp4" && $(type -P mp4art) ]]; then
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mp4art -q --add "${cover_file}" "${chapter_file}"
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log "Added cover art to ${chapter_title}"
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fi
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fi
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fi
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done 9< "$metadata_file"
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@ -459,7 +465,7 @@ do
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if [[ ${container} == "mp4" && $(type -P mp4art) ]]; then
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mp4art -q --add "${cover_file}" "${output_file}"
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log "Added cover art to ${title}.${extension}"
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fi
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fi
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if [[ ${container} == "mp4" && $(type -P mp4chaps) ]]; then
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ffprobe -i "${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}/${title}.chapters.txt"
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mp4chaps -i "${output_file}"
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@ -474,7 +480,7 @@ do
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# Move the aax file if the decode is completed and the --complete_dir is set to a valid location.
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# Check the target dir for if set if it is writable
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if [[ "x${completedir}" != "x" ]]; then
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if [[ "x${completedir}" != "x" ]]; then
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log "Moving Transcoded ${aax_file} to ${completedir}"
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mv "${aax_file}" "${completedir}"
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fi
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@ -29,7 +29,7 @@ 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 [-f|--flac] [-o|--opus] [-a|-aac] [-s|--single] [-c|--chaptered] [-e:mp3] [-e:m4a] [-e:m4b] [-A|--authcode <AUTHCODE>] [-t|--target_dir <PATH>] [-C|--complete_dir <PATH>] [-V|--validate] [-d|--debug] [-h|--help] <AAX INPUT_FILES>...
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bash AAXtoMP3 [-f|--flac] [-o|--opus] [-a|-aac] [-s|--single] [-c|--chaptered] [-e:mp3] [-e:m4a] [-e:m4b] [-A|--authcode <AUTHCODE>] [-n|--no-clobber] [-t|--target_dir <PATH>] [-C|--complete_dir <PATH>] [-V|--validate] [-d|--debug] [-h|--help] <AAX INPUT_FILES>...
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```
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* **<AAX INPUT_FILES>**... are considered input file(s), useful for batching!
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@ -39,6 +39,7 @@ bash AAXtoMP3 [-f|--flac] [-o|--opus] [-a|-aac] [-s|--single] [-c|--chaptered] [
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* **-o** or **--opus** Ogg/Opus Encoding defaults to multiple file output by chapter. The extention is .ogg
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* **-a** or **--aac** AAC Encoding and produce a m4a single files output.
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* **-A** or **--authcode <AUTHCODE>** for this execution of the command use the provided <AUTHCODE> to decode the AAX file.
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* **-n** or **--no-clobber** If set and the target directory already exists, AAXtoMP3 will exit without overwriting anything.
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* **-t** or **--target_dir <PATH>** change the default output location to the named <PATH>. Note the default location is ./Audiobook of the directory to which each AAX file resides.
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* **-C** or **--complete_dir <PATH>** a directory to place aax files after they have been decoded successfully. Note make a back up of your aax files prior to using this option. Just in case something goes wrong.
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* **-V** or **--validate** Perform 2 validation tests on the supplied aax files. This is more extensive than the normal validation as we attempt to transcode the aax file to a null file. This can take a long period of time. However it is useful when inspecting a large set of aax files prior to transcoding. As download errors are common with Audible servers.
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