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91 lines
4.1 KiB
Markdown
91 lines
4.1 KiB
Markdown
# AAXtoMP3
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The purpose of this software is to convert AAX files to a more common MP3 format
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through a basic perl script frontend to FFMPEG.
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Audible uses this file format to maintain DRM restrictions on their audio
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books and if you download your book through your library it will be
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stored in this format.
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The purpose of this software is **not** to circumvent the DRM restrictions
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for audio books that **you** do not own in that you do not have them on
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your **personal** Audible account. The purpose of this software is to
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create a method for you to download and store your books just in case
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Audible fails for some reason.
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## Setup
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You will need your four byte authitication code that comes from Audible's
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servers. This will be used by ffmpeg to perform the initial audio convert. You
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can obtain this string from a tool like [audible-activator](https://github.com/inAudible-NG/audible-activator).
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## Requirements
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* perl version 5.22.0 or later
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* ffmpeg version 2.8.3 or later
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You will also require the following perl modules:
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* autodie
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* Getopt::Long
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* File::Basename
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* IO::CaptureOutput
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I would suggest installing cpanminus either through CPAN or (preferably) through your
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distro's repositories. Take note that many perl modules can be packaged in your repos
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as well so take a look there before resorting to cpan/cpanminus.
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## Usage
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```
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perl AAXtoMP3.pl -a AUTHCODE -i AAXFILE -v -c
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```
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* -a: **your** Audible auth code (it won't correctly decode otherwise) (required)
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* -i: the input AAX file to be converted (required)
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* -v: verbose (optional)
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* -c: Convert to chapters based on input file's metadata information
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## Known issues
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Currently the chapters mode (activated by the -c flag) does not work correctly.
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Parsing the metadata works fine but when the timestamps are converted to
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HH:MM:SS.xxx format there is some sort of hickup. It could be that Audible has some
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delay in the file to prevent this, but starting from Chapter 2 of the book it will
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no longer sync. I don't know if I will ever fix this, so avoid using the -c flag for now
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to produce one large MP3 file for the audiobook.
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Also this was tested on Linux with the above requirements. No effort will be made to
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port this work to any other operating system, though it may work fine. Want a Windows/
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OSX port? You'll have to fork the work.
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## Anti-Piracy Notice
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Note that this project does NOT ‘crack’ the DRM. It simplys allows the user to
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use their own encryption key (fetched from Audible servers) to decrypt the
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audiobook in the same manner that the official audiobook playing software does.
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Please only use this application for gaining full access to your own audiobooks
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for archiving/converson/convenience. DeDRMed audiobooks should not be uploaded
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to open servers, torrents, or other methods of mass distribution. No help will
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be given to people doing such things. Authors, retailers, and publishers all
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need to make a living, so that they can continue to produce audiobooks for us to
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hear, and enjoy. Don’t be a parasite.
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This blurb is borrowed from the https://apprenticealf.wordpress.com/ page.
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## License
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The MIT License
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Copyright (c) 2015 KrumpetPirate
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in
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all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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THE SOFTWARE.
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