From 4bbd85cc7f5986417f7b9b866d075de33a4be0f4 Mon Sep 17 00:00:00 2001
From: Oleg Broytman <phd@phdru.name>
Date: Wed, 5 Nov 2014 02:00:40 +0300
Subject: [PATCH] Pass output as a parameter; allow to pass many input files

Pass output as a parameter; default is output.avi. Allow to pass many
input files like *.vob.
---
 video/ff_catvideo   |  9 +++++----
 video/ff_cropdetect | 10 ++++++++--
 video/ff_encode     | 14 +++++++-------
 3 files changed, 20 insertions(+), 13 deletions(-)

diff --git a/video/ff_catvideo b/video/ff_catvideo
index 852a349..34aafd2 100755
--- a/video/ff_catvideo
+++ b/video/ff_catvideo
@@ -1,12 +1,13 @@
 #! /bin/sh
 
-if [ -z "$2" ]; then
-   echo "Usage: $0 output.avi input1.avi [input2.avi...]"
+if [ -z "$1" ]; then
+   echo "Usage: [output=output.avi] $0 input1 [input2...]"
    exit 1
 fi
 
-output="$1"
-shift
+if [ -z "$output" ]; then
+   output=output.avi
+fi
 
 i=1
 for input in "$@"; do
diff --git a/video/ff_cropdetect b/video/ff_cropdetect
index 59a2c40..9703298 100755
--- a/video/ff_cropdetect
+++ b/video/ff_cropdetect
@@ -1,8 +1,14 @@
 #! /bin/sh
 
 if [ -z "$1" ]; then
-   echo "Usage: $0 input.avi"
+   echo "Usage: $0 input1 [input2...]"
    exit 1
 fi
 
-exec ffmpeg -i "$1" -vf cropdetect -an -f rawvideo -y /dev/null
+if [ $# -eq 1 ]; then
+   input="$1"
+else
+   input=concat:"`echo \"$@\" | sed 's/ /|/g'`"
+fi
+
+exec ffmpeg -i "$input" -vf cropdetect -an -f rawvideo -y /dev/null
diff --git a/video/ff_encode b/video/ff_encode
index befff9d..c265ecd 100755
--- a/video/ff_encode
+++ b/video/ff_encode
@@ -1,7 +1,7 @@
 #! /bin/sh
 
 if [ -z "$1" ]; then
-   echo "Usage: [vcodec=s] [vbitrate=n] [vscale=s] [acodec=s] [abitrate=n] [ascale=s] [pass=n] [input_opts=input_opts] [output_opts=output_opts] $0 input [output]"
+   echo "Usage: [vcodec=s] [vbitrate=n] [vscale=s] [acodec=s] [abitrate=n] [ascale=s] [pass=n] [input_opts=input_opts] [output_opts=output_opts] [output=output.avi] $0 input1 [input2...]"
    exit 1
 fi
 
@@ -29,13 +29,13 @@ if [ -z "$pass" ]; then
    pass=1
 fi
 
-input="$1"
-shift
-
-if [ -n "$1" ]; then
-   output="$1"
-   shift
+if [ $# -eq 1 ]; then
+   input="$1"
 else
+   input=concat:"`echo \"$@\" | sed 's/ /|/g'`"
+fi
+
+if [ -z "$output" ]; then
    output=output.avi
 fi
 
-- 
2.39.5