From 656dfa5d1aea91d2177050afa8eaaebba3349173 Mon Sep 17 00:00:00 2001
From: Steven Baltakatei Sandoval <baltakatei@gmail.com>
Date: Sat, 20 Jan 2024 18:43:36 +0000
Subject: [PATCH] feat(user/split_audiobook.sh):Split audiobooks by chapter

---
 user/split_audiobook.sh | 21 +++++++++++++++++++++
 1 file changed, 21 insertions(+)
 create mode 100644 user/split_audiobook.sh

diff --git a/user/split_audiobook.sh b/user/split_audiobook.sh
new file mode 100644
index 0000000..8838efe
--- /dev/null
+++ b/user/split_audiobook.sh
@@ -0,0 +1,21 @@
+#!/bin/bash
+# Desc: Split an audio file by chapter
+# Depends: ffmpeg, jq
+# Ref/Attrib: [1] Hasan Arous. MIT license. https://unix.stackexchange.com/a/612124
+#             [2] John Smith. https://unix.stackexchange.com/a/712600
+
+in="$1";
+out="$2";
+splits="";
+n=0;
+while read start end title; do
+    newTitle="$(echo "$title" | sed "s/ /_/g")";
+    newTitle="$(printf "%02d..%s" "$n" "$newTitle")";
+    splits="$splits -c copy -ss $start -to $end $out/$newTitle.m4b";
+    ((n++));
+done <<< $(ffprobe -i "$in" -print_format json -show_chapters \
+  | jq -r '.chapters[] | .start_time + " " + .end_time + " " + (.tags.title | sub(" "; "_"))');
+ffmpeg -i "$in" $splits;
+
+# Author: Steven Baltakatei Sandoval
+# License: GPLv3+
-- 
2.30.2