Include iLBC source code for distribution with Asterisk

This patch includes the iLBC source code for distribution with Asterisk.
Clarification regarding the iLBC source code was provided by Google, and
the appropriate licenses have been included in the codecs/ilbc folder.

Review: https://reviewboard.asterisk.org/r/1675
Review: https://reviewboard.asterisk.org/r/1649

(closes issue: ASTERISK-18943)
Reporter: Leif Madsen
Tested by: Matt Jordan
........

Merged revisions 351450 from http://svn.asterisk.org/svn/asterisk/branches/1.8
........

Merged revisions 351451 from http://svn.asterisk.org/svn/asterisk/branches/10


git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@351452 65c4cc65-6c06-0410-ace0-fbb531ad65f3

1 files changed, 24 insertions, 0 deletions

diff --git a/codecs/ilbc/extract-cfile.awk b/codecs/ilbc/extract-cfile.awk
new file mode 100644
index 000000000..e4b07bc08
--- /dev/null
+++ b/codecs/ilbc/extract-cfile.awk
@@ -0,0 +1,24 @@
+BEGIN { srcname = "nothing"; }
+{ if (/^A\.[0-9][0-9]*\.* *[a-zA-Z][a-zA-Z_0-9]*\.[ch]/) {
+    if (srcname != "nothing")
+      close(srcname);
+    srcname = $2;
+    printf("creating source file %s\n", srcname);
+  }else if (srcname != "nothing") {
+    if (/Andersen,* *et* *al\./) 
+      printf("skipping %s\n", $0);
+    else if (//)
+      printf("skipping2 %s\n", $0);
+    else if (/Internet Low Bit Rate Codec *December 2004/)
+      printf("skipping3 %s\n", $0);
+    else if (/Authors' *Addresses/){
+      close(srcname);
+      exit;}
+    else
+      print $0 >> srcname;
+  }
+}
+END {
+  printf("ending file %s\n", srcname);
+  close(srcname);
+}