Freeing Audible files with ffmpeg
Install dependencies:
apt-get install git python-requests python-selenium gpac
Get tool to acquire our activation bytes. These bytes will allow ffmpeg to decrypt the Audible aax
files.
git clone https://github.com/inAudible-NG/audible-activator.git
cd audible-activator
wget http://chromedriver.storage.googleapis.com/2.21/chromedriver_linux64.zip
unzip chromedriver_linux64.zip
Install a version of ffmpeg that supports the new feature -activation_bytes
mkdir /usr/local/ffmpeg
wget -O - http://johnvansickle.com/ffmpeg/releases/ffmpeg-release-64bit-static.tar.xz | tar Jxf -
mv ffmpeg-3.0-64bit-static/* /usr/local/ffmpeg/
for m in ffmpeg ffmpeg-10bit ffprobe ffserver qt-faststart; do ln -s /usr/local/ffmpeg/$m /usr/local/bin/$m; done
Run audible_activator.py
./audible_activator.py
Username: user@example.com
Password:
CAFED00D
Audible aax
files are encoded with aac
so you can do the following to copy the stream out of the aax
into an mpeg4 container and striping the DRM at the same time.
ACTIVATION_BYTES='CAFED00D'
ffmpeg -hide_banner -loglevel panic -activation_bytes ${ACTIVATION_BYTES} -i in.aax -c:v copy -c:a copy out.m4a