--- gstringbuffer.h.orig	2006-02-06 13:11:55.000000000 +0200
+++ gstringbuffer.h	2006-02-06 13:12:02.000000000 +0200
@@ -92,6 +92,7 @@
   GST_BUFTYPE_IMA_ADPCM,
   GST_BUFTYPE_MPEG,
   GST_BUFTYPE_GSM,
+  GST_BUFTYPE_ILBC
 } GstBufferFormatType;
 
 typedef enum
@@ -141,6 +142,7 @@
   GST_MPEG,
   GST_GSM,
 
+  GST_ILBC,
   /* fill me */
 
 } GstBufferFormat;
