Add iLBC codec

git-svn-id: http://svn.digium.com/svn/asterisk/trunk@852 f38db490-d61c-443f-a65b-d21fe96a405b

1 files changed, 65 insertions, 0 deletions

diff --git a/codecs/ilbc/packing.h b/codecs/ilbc/packing.h
new file mode 100755
index 000000000..21261e82d
--- /dev/null
+++ b/codecs/ilbc/packing.h
@@ -0,0 +1,65 @@
+ 
+/****************************************************************** 
+ 
+    iLBC Speech Coder ANSI-C Source Code 
+ 
+    packing.h               
+ 
+    Copyright (c) 2001, 
+    Global IP Sound AB. 
+    All rights reserved. 
+ 
+******************************************************************/ 
+ 
+#ifndef __PACKING_H 
+#define __PACKING_H 
+ 
+void packsplit( 
+    int *index,                 /* (i) the value to split */ 
+    int *firstpart,             /* (o) the value specified by most  
+                                       significant bits */ 
+    int *rest,                  /* (o) the value specified by least  
+                                       significant bits */ 
+    int bitno_firstpart,    /* (i) number of bits in most  
+                                       significant part */ 
+    int bitno_total             /* (i) number of bits in full range  
+                                       of value */ 
+); 
+ 
+void packcombine(  
+    int *index,                 /* (i/o) the msb value in the  
+                                       combined value out */ 
+    int rest,                   /* (i) the lsb value */ 
+    int bitno_rest              /* (i) the number of bits in the  
+                                       lsb part */ 
+); 
+ 
+void dopack(  
+    unsigned char **bitstream,  /* (i/o) on entrance pointer to place  
+                                       in bitstream to pack new data,  
+                                       on exit pointer to place in  
+                                       bitstream to pack future  
+                                       data */ 
+    int index,                  /* (i) the value to pack */ 
+    int bitno,                  /* (i) the number of bits that the  
+                                       value will fit within */ 
+    int *pos                /* (i/o) write position in the  
+                                       current byte */ 
+); 
+ 
+void unpack(  
+    unsigned char **bitstream,  /* (i/o) on entrance pointer to place  
+                                       in bitstream to unpack  
+                                       new data from, on exit pointer  
+                                       to place in bitstream to  
+                                       unpack future data from */ 
+    int *index,                 /* (o) resulting value */ 
+    int bitno,                  /* (i) number of bits used to  
+                                       represent the value */ 
+    int *pos                /* (i/o) read position in the  
+                                       current byte */ 
+); 
+ 
+#endif 
+ 
+