From 18c16103f655eb3e4d0d5b77f46a26b89baab3d7 Mon Sep 17 00:00:00 2001
From: pvincent <pvincent974@gmail.com>
Date: Fri, 20 Sep 2019 12:02:40 +0400
Subject: [PATCH] video_concat

---
 tools/video_concat | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)
 create mode 100755 tools/video_concat

diff --git a/tools/video_concat b/tools/video_concat
new file mode 100755
index 0000000..5cac282
--- /dev/null
+++ b/tools/video_concat
@@ -0,0 +1,16 @@
+#!/bin/bash
+
+# should be run through output pipe, exit otherwise
+[ -t 1 ] && echo "ERROR: should declare output as a pipe, ie > output.mp4" && exit -1
+
+# detect current dir
+DIR=$(pwd)
+
+# build temporary file which contains all the files to append 
+tempfile=$(mktemp)
+for i in $@; do
+	echo file $DIR/$i >> $tempfile
+done
+
+# output as matroska file
+ffmpeg -safe 0 -f concat -i $tempfile -c copy -f matroska -