Add iLBC codec

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

codecs/ilbc/StateSearchW.h

@@ -0,0 +1,43 @@
+ 
+/****************************************************************** 
+ 
+    iLBC Speech Coder ANSI-C Source Code 
+ 
+    StateSearchW.h      
+ 
+    Copyright (c) 2001, 
+    Global IP Sound AB. 
+    All rights reserved. 
+ 
+******************************************************************/ 
+ 
+#ifndef __iLBC_STATESEARCHW_H 
+#define __iLBC_STATESEARCHW_H 
+ 
+void AbsQuantW( 
+    float *in,          /* (i) vector to encode */ 
+    float *syntDenum,   /* (i) denominator of synthesis filter */ 
+    float *weightDenum, /* (i) denominator of weighting filter */ 
+    int *out,           /* (o) vector of quantizer indexes */ 
+    int len,        /* (i) length of vector to encode and  
+                               vector of quantizer indexes */ 
+    int state_first     /* (i) position of start state in the  
+                               80 vec */ 
+); 
+ 
+void StateSearchW(  
+    float *residual,/* (i) target residual vector */ 
+    float *syntDenum,   /* (i) lpc synthesis filter */ 
+    float *weightDenum, /* (i) weighting filter denuminator */ 
+    int *idxForMax,     /* (o) quantizer index for maximum  
+                               amplitude */ 
+    int *idxVec,    /* (o) vector of quantization indexes */ 
+    int len,        /* (i) length of all vectors */ 
+    int state_first     /* (i) position of start state in the  
+                               80 vec */ 
+); 
+ 
+ 
+#endif 
+ 
+