Add iLBC codec

git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@852 65c4cc65-6c06-0410-ace0-fbb531ad65f3

codecs/ilbc/iLBC_decode.h

@@ -0,0 +1,38 @@
+ 
+/****************************************************************** 
+ 
+    iLBC Speech Coder ANSI-C Source Code 
+ 
+    iLBC_decode.h     
+ 
+    Copyright (c) 2001, 
+    Global IP Sound AB. 
+    All rights reserved. 
+ 
+******************************************************************/ 
+ 
+#ifndef __iLBC_ILBCDECODE_H 
+#define __iLBC_ILBCDECODE_H 
+ 
+#include "iLBC_define.h" 
+ 
+short initDecode(                   /* (o) Number of decoded  
+                                           samples */ 
+    iLBC_Dec_Inst_t *iLBCdec_inst,  /* (i/o) Decoder instance */ 
+    int use_enhancer                /* (i) 1 to use enhancer 
+                                           0 to run without  
+                                             enhancer */ 
+); 
+ 
+void iLBC_decode(  
+    float *decblock,            /* (o) decoded signal block */ 
+    unsigned char *bytes,           /* (i) encoded signal bits */ 
+    iLBC_Dec_Inst_t *iLBCdec_inst,  /* (i/o) the decoder state  
+                                             structure */ 
+    int mode                    /* (i) 0: bad packet, PLC,  
+                                           1: normal */ 
+); 
+ 
+#endif 
+ 
+