Script to split by chapters and convert audible to mp3.

instructions.md

Easy use

You use this script passing:

• as first argument the input file
• second argument is the content code

You can get your activation_bytes or content code from this site:

https://audible-converter.ml/

original ideas

• https://kylepiira.com/2019/05/12/how-to-break-audible-drm/comment-page-1/
• https://stackoverflow.com/a/53553938/1778979

split.sh

#!/bin/sh -efu

input="$1"
ffprobe \
    -print_format csv \
    -show_chapters \
    "$input" |
cut -d ',' -f '5,7,8' |
while IFS=, read start end chapter
do
    ffmpeg \
        -nostdin \
        -loglevel error \
        -y -activation_bytes "$2" \
        -ss "$start" -to "$end" \
        -i "$input" \
        -metadata "track=$chapter" \
        -map 0:a:0 \
        -codec:a libmp3lame \
        -map_chapters -1 \
        "${input%.*}-$chapter.mp3"
done