Update to new iLBC codec

git-svn-id: http://svn.digium.com/svn/asterisk/trunk@3997 f38db490-d61c-443f-a65b-d21fe96a405b

1 files changed, 73 insertions, 72 deletions

diff --git a/codecs/ilbc/filter.h b/codecs/ilbc/filter.h
index 1883560ba..95d3b5445 100755
--- a/codecs/ilbc/filter.h
+++ b/codecs/ilbc/filter.h
@@ -1,72 +1,73 @@
- 
-/****************************************************************** 
- 
-    iLBC Speech Coder ANSI-C Source Code 
- 
-    filter.h 
- 
-    Copyright (c) 2001, 
-    Global IP Sound AB. 
-    All rights reserved. 
- 
-******************************************************************/ 
- 
-#ifndef __iLBC_FILTER_H 
-#define __iLBC_FILTER_H 
- 
-void AllPoleFilter( 
-    float *InOut,   /* (i/o) on entrance InOut[-orderCoef] to  
-                           InOut[-1] contain the state of the filter  
-                           (delayed samples). InOut[0] to  
-                           InOut[lengthInOut-1] contain the filter  
-                           input, on en exit InOut[-orderCoef] to  
-                           InOut[-1] is unchanged and InOut[0] to  
-                           InOut[lengthInOut-1] contain filtered  
-                           samples */ 
-    float *Coef,/* (i) filter coefficients, Coef[0] is assumed to  
-                           be 1.0 */ 
-    int lengthInOut,/* (i) number of input/output samples */ 
-    int orderCoef   /* (i) number of filter coefficients */ 
-); 
- 
-void AllZeroFilter( 
-    float *In,      /* (i) In[0] to In[lengthInOut-1] contain filter  
-                           input samples */ 
-    float *Coef,/* (i) filter coefficients (Coef[0] is assumed  
-                           to be 1.0) */ 
-    int lengthInOut,/* (i) number of input/output samples */ 
-    int orderCoef,  /* (i) number of filter coefficients */ 
-    float *Out      /* (i/o) on entrance Out[-orderCoef] to Out[-1] 
-                           contain the filter state, on exit Out[0]  
-                           to Out[lengthInOut-1] contain filtered  
-                           samples */ 
-); 
- 
-void ZeroPoleFilter( 
-    float *In,      /* (i) In[0] to In[lengthInOut-1] contain filter  
-                           input samples In[-orderCoef] to In[-1]  
-                           contain state of all-zero section */ 
-    float *ZeroCoef,/* (i) filter coefficients for all-zero  
-                           section (ZeroCoef[0] is assumed to  
-                           be 1.0) */ 
-    float *PoleCoef,/* (i) filter coefficients for all-pole section  
-                           (ZeroCoef[0] is assumed to be 1.0) */ 
-    int lengthInOut,/* (i) number of input/output samples */ 
-    int orderCoef,  /* (i) number of filter coefficients */ 
-    float *Out      /* (i/o) on entrance Out[-orderCoef] to Out[-1]  
-                           contain state of all-pole section. On exit  
-                           Out[0] to Out[lengthInOut-1] contain  
-                           filtered samples */ 
-); 
- 
-void DownSample ( 
-    float  *In,     /* (i) input samples */ 
-    float  *Coef,   /* (i) filter coefficients */ 
-    int lengthIn,   /* (i) number of input samples */  
-    float  *state,  /* (i) filter state */ 
-    float  *Out     /* (o) downsampled output */ 
-); 
- 
-#endif 
- 
- 
+
+/******************************************************************
+
+    iLBC Speech Coder ANSI-C Source Code
+
+    filter.h
+
+    Copyright (C) The Internet Society (2004). 
+    All Rights Reserved.
+
+******************************************************************/
+
+#ifndef __iLBC_FILTER_H
+#define __iLBC_FILTER_H
+
+void AllPoleFilter(
+    float *InOut,   /* (i/o) on entrance InOut[-orderCoef] to 
+                           InOut[-1] contain the state of the 
+                           filter (delayed samples). InOut[0] to 
+                           InOut[lengthInOut-1] contain the filter 
+                           input, on en exit InOut[-orderCoef] to 
+                           InOut[-1] is unchanged and InOut[0] to 
+                           InOut[lengthInOut-1] contain filtered 
+                           samples */
+    float *Coef,/* (i) filter coefficients, Coef[0] is assumed 
+                           to be 1.0 */
+    int lengthInOut,/* (i) number of input/output samples */
+    int orderCoef   /* (i) number of filter coefficients */
+);
+
+
+
+void AllZeroFilter(
+    float *In,      /* (i) In[0] to In[lengthInOut-1] contain 
+                           filter input samples */
+    float *Coef,/* (i) filter coefficients (Coef[0] is assumed 
+                           to be 1.0) */
+    int lengthInOut,/* (i) number of input/output samples */
+    int orderCoef,  /* (i) number of filter coefficients */
+    float *Out      /* (i/o) on entrance Out[-orderCoef] to Out[-1]
+                           contain the filter state, on exit Out[0] 
+                           to Out[lengthInOut-1] contain filtered 
+                           samples */
+);
+
+void ZeroPoleFilter(
+    float *In,      /* (i) In[0] to In[lengthInOut-1] contain filter
+                           input samples In[-orderCoef] to In[-1] 
+                           contain state of all-zero section */
+    float *ZeroCoef,/* (i) filter coefficients for all-zero 
+                           section (ZeroCoef[0] is assumed to 
+                           be 1.0) */
+    float *PoleCoef,/* (i) filter coefficients for all-pole section
+                           (ZeroCoef[0] is assumed to be 1.0) */
+    int lengthInOut,/* (i) number of input/output samples */
+    int orderCoef,  /* (i) number of filter coefficients */
+    float *Out      /* (i/o) on entrance Out[-orderCoef] to Out[-1]
+                           contain state of all-pole section. On
+                           exit Out[0] to Out[lengthInOut-1] 
+                           contain filtered samples */
+);
+
+void DownSample (
+    float  *In,     /* (i) input samples */
+    float  *Coef,   /* (i) filter coefficients */
+    int lengthIn,   /* (i) number of input samples */ 
+    float  *state,  /* (i) filter state */
+    float  *Out     /* (o) downsampled output */
+);
+
+#endif
+
+