From 9a7aca5d17781c42b5fecb7e50d230fe16791a89 Mon Sep 17 00:00:00 2001
From: Nidan <nidan@ghostdub.de>
Date: Sat, 14 Jan 2012 13:05:49 +0100
Subject: [PATCH 1/2] added script to convert audiofiles into needed format

---
 convert.sh | 13 +++++++++++++
 1 file changed, 13 insertions(+)
 create mode 100755 convert.sh

diff --git a/convert.sh b/convert.sh
new file mode 100755
index 0000000..e08c581
--- /dev/null
+++ b/convert.sh
@@ -0,0 +1,13 @@
+#!/bin/bash
+
+if [ ${#} -ne "2" ] ; then
+	echo "Usage: ${0} <input file> <output file>"
+	return 1
+fi
+
+TMPFILE="convert.tmp"
+
+ffmpeg -i ${1} -f s16be -ar 16k -ac 1 -acodec pcm_s16be ${TMPFILE}
+SIZE=$(( $(stat -c "%s" ${TMPFILE}) / 2 ))
+echo -ne "\0$(printf %o $(($SIZE % 256)) )\0$(printf %o $(( ($SIZE / 256) % 256)) )\0$(printf %o $(( ($SIZE / 65536) % 256)) )\0$(printf %o $(( ($SIZE / 65536/256) % 256)) )" | cat - ${TMPFILE} > ${2}
+rm ${TMPFILE}

From 491f23cd683ecc4f3b34754ca9932f64ef155ec5 Mon Sep 17 00:00:00 2001
From: Nidan <nidan@ghostdub.de>
Date: Sat, 14 Jan 2012 13:15:00 +0100
Subject: [PATCH 2/2] convert script

---
 convert.sh | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/convert.sh b/convert.sh
index e08c581..9c4a9fb 100755
--- a/convert.sh
+++ b/convert.sh
@@ -9,5 +9,5 @@ TMPFILE="convert.tmp"
 
 ffmpeg -i ${1} -f s16be -ar 16k -ac 1 -acodec pcm_s16be ${TMPFILE}
 SIZE=$(( $(stat -c "%s" ${TMPFILE}) / 2 ))
-echo -ne "\0$(printf %o $(($SIZE % 256)) )\0$(printf %o $(( ($SIZE / 256) % 256)) )\0$(printf %o $(( ($SIZE / 65536) % 256)) )\0$(printf %o $(( ($SIZE / 65536/256) % 256)) )" | cat - ${TMPFILE} > ${2}
+echo -ne "\0$(printf %o $(($SIZE % 256)) )\0$(printf %o $(( ($SIZE / 256) % 256)) )\0$(printf %o $(( ($SIZE / 256**2) % 256)) )\0$(printf %o $(( ($SIZE / 256**3) % 256)) )" | cat - ${TMPFILE} > ${2}
 rm ${TMPFILE}