From: Steven Baltakatei Sandoval <baltakatei@gmail.com>
Date: Sat, 20 Jan 2024 18:43:36 +0000 (+0000)
Subject: feat(user/split_audiobook.sh):Split audiobooks by chapter
X-Git-Url: https://zdv2.bktei.com/gitweb/BK-2020-03.git/commitdiff_plain/656dfa5d1aea91d2177050afa8eaaebba3349173?hp=4402ce96643b39688f2c4f5a9fc22b7cc2ff9b52

feat(user/split_audiobook.sh):Split audiobooks by chapter
---

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+