From d580d7639726d91c57fda7de486ff603ea86f832 Mon Sep 17 00:00:00 2001
From: =?utf8?q?Paul=20H=C3=A4nsch?= <paul@plutz.net>
Date: Sat, 2 Oct 2021 21:54:33 +0200
Subject: [PATCH 1/1] allow background color

---
 thumbnail.sh | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/thumbnail.sh b/thumbnail.sh
index 4a6f828..a2686be 100644
--- a/thumbnail.sh
+++ b/thumbnail.sh
@@ -4,7 +4,8 @@
 include_thumbnails="$0"
 
 gen_thumb(){
-  local file="$1" thumb="$2" tmp="${TMPDIR:-/tmp}/serve0tmp_$$/" lenght n
+  local file="$1" thumb="$2" bgcolor="${3:-#000000}"
+  local tmp="${TMPDIR:-/tmp}/serve0tmp_$$/" lenght n
 
   if [ "${file%.part}" = "${file}" -a ! -s "$thumb" -a -s "$file" ] && mkdir "$tmp"; then
     length="$( ffprobe -show_entries stream=duration "$file" 2>&- )"
@@ -17,6 +18,7 @@ gen_thumb(){
     done
 
     montage "$tmp"/thumb_[0-9].jpg \
+            -background "$bgcolor" \
             -tile 10x1 -geometry 320x180+0+0 \
             -interlace line -quality 85 "$thumb"
     rm -r -- "${tmp}"
-- 
2.39.2