1 files changed, 30 insertions, 0 deletions
diff --git a/video/ffconcat b/video/ffconcat
new file mode 100755
index 0000000..34e6550
--- /dev/null
+++ b/video/ffconcat
@@ -0,0 +1,30 @@
+#!/bin/sh
+
+trap cleanup EXIT
+
+ccf=/tmp/concatfile.
+cleanup() { rm ${ccf}*; }
+concat() {
+	outfile="output$i.mkv"
+	concatfile=$(mktemp ${ccf}XXXXXX)
+	dir="$(pwd)"
+	for video in $vidfiles; do
+		echo "file '$dir/$video'" >> $concatfile
+	done
+	cat $concatfile | sort > ${concatfile}_ # Sort concatfile so videos are ordered correctly
+	ffmpeg -v error -f concat -safe 0 -i ${concatfile}_ -c copy $outfile
+}
+
+for video in "$@"; do
+	codechash=$(ffprobe -v quiet -show_format -show_streams "$video" | \grep 'width\|height\|codec' | md5sum | cut -d' ' -f1)
+	[ -z "$prevhash" ] && prevhash=$codechash
+	if [ $prevhash = $codechash ]; then
+		vidfiles="$video${vidfiles:+ }$vidfiles"
+	else
+		[ -z "$i" ] && i=0
+		concat
+		vidfiles=""
+		i=$((i+1))
+	fi
+done
+concat