Add iLBC codec

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

codecs/ilbc/iCBConstruct.h

@@ -0,0 +1,37 @@
+ 
+/****************************************************************** 
+ 
+    iLBC Speech Coder ANSI-C Source Code 
+ 
+    iCBConstruct.h    
+ 
+    Copyright (c) 2001, 
+    Global IP Sound AB. 
+    All rights reserved. 
+ 
+******************************************************************/ 
+ 
+#ifndef __iLBC_ICBCONSTRUCT_H 
+#define __iLBC_ICBCONSTRUCT_H 
+ 
+void index_conv_enc( 
+    int *index          /* (i/o) Codebook indexes */ 
+); 
+ 
+void index_conv_dec( 
+    int *index          /* (i/o) Codebook indexes */ 
+); 
+ 
+void iCBConstruct( 
+    float *decvector,   /* (o) Decoded vector */ 
+    int *index,         /* (i) Codebook indices */ 
+    int *gain_index,/* (i) Gain quantization indices */ 
+    float *mem,         /* (i) Buffer for codevector construction */ 
+    int lMem,           /* (i) Length of buffer */ 
+    int veclen,         /* (i) Length of vector */ 
+    int nStages         /* (i) Number of codebook stages */ 
+); 
+ 
+#endif 
+ 
+