From 03ea4024c995bd2a307dfdc4ed0cbd084c880961 Mon Sep 17 00:00:00 2001
From: neingeist <neingeist@bl0rg.net>
Date: Wed, 18 Oct 2023 02:39:01 +0200
Subject: [PATCH] =?UTF-8?q?=E2=9C=A8=20extract-cover:=20Extract=20cover=20?=
 =?UTF-8?q?from=20the=20given=20media=20file?=
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---
 extract-cover | 11 +++++++++++
 1 file changed, 11 insertions(+)
 create mode 100755 extract-cover

diff --git a/extract-cover b/extract-cover
new file mode 100755
index 0000000..38a1ba8
--- /dev/null
+++ b/extract-cover
@@ -0,0 +1,11 @@
+#!/bin/sh
+# Extract cover image from the given media (e.g. M4B or MP3)
+for fn in "$@"; do
+  cover_jpg="$(mktemp -u $(dirname "$fn")/cover-XXXXX.jpg)"
+  if ffmpeg -v error -i "$fn" -map 0:v -map -0:V  -c copy "$cover_jpg"; then
+    echo "$cover_jpg"
+  else
+    rm -f "$cover_jpg"
+    echo "couldn't extract cover from $fn" >&2
+  fi
+done