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Merge branch 'master' of github.com:KrumpetPirate/AAXtoMP3 into audible-cli-integration
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AAXtoMP3
41
AAXtoMP3
@ -5,9 +5,10 @@
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# Command Line Options
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# Usage Synopsis.
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usage=$'\nUsage: AAXtoMP3 [--flac] [--aac] [--opus ] [--single] [--chaptered]\n[-e:mp3] [-e:m4a] [-e:m4b] [--authcode <AUTHCODE>] [--no-clobber]\n[--target_dir <PATH>] [--complete_dir <PATH>] [--validate]\n[--continue <CHAPTERNUMBER>]{FILES}\n'
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usage=$'\nUsage: AAXtoMP3 [--flac] [--aac] [--opus ] [--single] [--level <COMPRESSIONLEVEL>]\n[--chaptered] [-e:mp3] [-e:m4a] [-e:m4b] [--authcode <AUTHCODE>] [--no-clobber]\n[--target_dir <PATH>] [--complete_dir <PATH>] [--validate]\n[--continue <CHAPTERNUMBER>]{FILES}\n'
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codec=libmp3lame # Default encoder.
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extension=mp3 # Default encoder extension.
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level=-1 # Compression level. Can be given for mp3, flac and opus. -1 = default/not specified.
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mode=chaptered # Multi file output
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auth_code= # Required to be set via file or option.
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targetdir= # Optional output location. Note default is basedir of AAX file.
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@ -59,6 +60,8 @@ while true; do
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--continue ) continueAt="$2"; continue=1; shift 2 ;;
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# Use additional data got with mkb79/audible-cli
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--use-audible-cli-data ) audibleCli=1; shift ;;
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# Compression level
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--level ) level="$2"; shift 2 ;;
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# Command synopsis.
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-h | --help ) printf "$usage" $0 ; exit ;;
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# Standard flag signifying the end of command line processing.
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@ -266,6 +269,34 @@ if [[ "x${completedir}" != "x" ]]; then
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fi
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fi
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# -----
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# If a compression level is given, check whether the given codec supports compression level specifiers and whether the level is valid.
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if [ "${level}" != "-1" ]; then
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if [ "${codec}" == "flac" ]; then
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if [ "$((${level} < 0 || ${level} > 12 ))" = "1" ]; then
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echo "ERROR Flac compression level has to be in the range from 0 to 12!"
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echo "$usage"
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exit 1
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fi
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elif [ "${codec}" == "libopus" ]; then
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if [ "$((${level} < 0 || ${level} > 10 ))" = "1" ]; then
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echo "ERROR Opus compression level has to be in the range from 0 to 10!"
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echo "$usage"
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exit 1
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fi
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elif [ "${codec}" == "libmp3lame" ]; then
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if [ "$((${level} < 0 || ${level} > 9 ))" = "1" ]; then
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echo "ERROR MP3 compression level has to be in the range from 0 to 9!"
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echo "$usage"
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exit 1
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fi
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else
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echo "ERROR This codec doesnt support compression levels!"
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echo "$usage"
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exit 1
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fi
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fi
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# -----
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# Clean up if someone hits ^c or the script exits for any reason.
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trap 'rm -r -f "${working_directory}"' EXIT
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@ -479,6 +510,12 @@ do
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# and coders wanting to extend the script.
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debug_vars "Book and Variable values" title auth_code mode aax_file container codec bitrate artist album_artist album album_date genre copyright narrator description publisher output_file metadata_file working_directory
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# If level != -1 specify a compression level in ffmpeg.
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compression_level_param=""
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if [ "${level}" != "-1" ]; then
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compression_level_param="-compression_level ${level}"
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fi
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# -----
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if [ "${continue}" == "0" ]; then
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# This is the main work horse command. This is the primary transcoder.
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@ -490,6 +527,7 @@ do
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-i "${aax_file}" \
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-vn \
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-codec:a "${codec}" \
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${compression_level_param} \
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-ab ${bitrate} \
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-map_metadata -1 \
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-metadata title="${title}" \
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@ -601,6 +639,7 @@ do
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-map 1:0 \
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-acodec "${codec}" \
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${id3_version_param} \
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${compression_level_param} \
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-metadata:s:v title="Album cover" \
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-metadata:s:v comment="Cover (Front)" \
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-metadata track="${chapternum}" \
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@ -30,7 +30,7 @@ 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>] [-n|--no-clobber] [-t|--target_dir <PATH>] [-C|--complete_dir <PATH>] [-V|--validate] [-d|--debug] [-h|--help] [--continue <CHAPTERNUMBER>] <AAX INPUT_FILES>...
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bash AAXtoMP3 [-f|--flac] [-o|--opus] [-a|-aac] [-s|--single] [--level <COMPRESSIONLEVEL>] [-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] [--continue <CHAPTERNUMBER>] <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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@ -50,8 +50,10 @@ bash AAXtoMP3 [-f|--flac] [-o|--opus] [-a|-aac] [-s|--single] [-c|--chaptered] [
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* **-s** or **--single** Output a single file for the entire book. If you only want a single ogg file for instance.
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* **-c** or **--chaptered** Output a single file per chapter. The `--chaptered` will only work if it follows the `--aac -e:m4a -e:m4b --flac` options.
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* **--continue <CHAPTERNUMBER>** If the splitting into chapters gets interrupted (e.g. by a weak battery on your laptop) you can go on where the process got interrupted. Just delete the last chapter (which was incompletely generated) and redo the task with "--continue <CHAPTERNUMBER>" where CHAPTERNUMBER is the chapter that got interrupted.
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* **--level <COMPRESSIONLEVEL>** Set compression level. May be given for mp3, flac and opus.
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* **--use-audible-cli-data** Use additional data got with mkb79/audible-cli. See [below](#audible-cli-integration) for more infos.
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### [AUTHCODE]
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**Your** Audible auth code (it won't correctly decode otherwise) (required).
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@ -74,11 +76,13 @@ __Note:__ At least one of the above must be exist. The code must also match the
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* The default mode is **chaptered**
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* If you want a mp3 file per chapter do not use the **--single** option.
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* A m3u playlist file will also be created in this instance in the case of **default** chaptered output.
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* **--level** has to be in range 0-9, where 9 is fastest and 0 is highest quality. Please note: The quality can **never** become higher than the qualitiy of the original aax file!
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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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* The default mode is **chaptered**
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* Opus coded files are stored in the ogg container format for better compatibility.
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* **--level** has to be in range 0-10, where 0 is fastest and 10 is highest quality. Please note: The quality can **never** become higher than the qualitiy of the original aax file!
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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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@ -92,6 +96,7 @@ __Note:__ At least one of the above must be exist. The code must also match the
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* The default mode is **single**
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* FLAC is an open format with royalty-free licensing
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* This will only produce 1 audio file as output. If you want a flac file per chapter do use **-c** or **--chaptered**.
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* **--level** has to be in range 0-12, where 0 is fastest and 12 is highest compression. Since flac is lossless, the quality always remains the same.
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### M4A and M4B Containers
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* These containers were created by Apple Inc. They were meant to be the successor to mp3.
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