add a script to make getting the iLBC source code simple for end users

git-svn-id: https://origsvn.digium.com/svn/asterisk/branches/1.2@111019 65c4cc65-6c06-0410-ace0-fbb531ad65f3

contrib/scripts/get_ilbc_source.sh

@@ -0,0 +1,22 @@
+#!/bin/sh -e
+
+echo "***"
+echo "This script will download the Global IP Solutions iLBC encoder/decoder"
+echo "source code from http://ilbcfreeware.org. Use of this code requires"
+echo "agreeing to the license agreement present at that site."
+echo ""
+echo "This script assumes that you have already agreed to the license agreement."
+echo "If you have not done so, you can abort the script now."
+echo "***"
+
+read
+
+wget -P codecs/ilbc http://www.ietf.org/rfc/rfc3951.txt
+
+wget -P codecs/ilbc http://www.ilbcfreeware.org/documentation/extract-cfile.awk
+
+(cd codecs/ilbc && awk -f extract-cfile.awk rfc3951.txt)
+
+echo "***"
+echo "The iLBC source code download is complete."
+echo "***"