Update to new iLBC codec

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

1 files changed, 70 insertions, 69 deletions

diff --git a/codecs/ilbc/anaFilter.c b/codecs/ilbc/anaFilter.c
index 268c9266c..1c9e71889 100755
--- a/codecs/ilbc/anaFilter.c
+++ b/codecs/ilbc/anaFilter.c
@@ -1,69 +1,70 @@
- 
-/****************************************************************** 
- 
-    iLBC Speech Coder ANSI-C Source Code 
- 
-    anaFilter.c  
- 
-    Copyright (c) 2001, 
-    Global IP Sound AB. 
-    All rights reserved. 
- 
-******************************************************************/ 
- 
-#include <string.h> 
-#include "iLBC_define.h" 
-#include "anaFilter.h"
- 
-/*----------------------------------------------------------------* 
- *  LP analysis filter. 
- *---------------------------------------------------------------*/ 
-     
-void anaFilter( 
-    float *In,  /* (i) Signal to be filtered */ 
-    float *a,   /* (i) LP parameters */ 
-    int len,/* (i) Length of signal */ 
-    float *Out, /* (o) Filtered signal */ 
-    float *mem  /* (i/o) Filter state */ 
-){ 
-    int i, j; 
-    float *po, *pi, *pm, *pa; 
- 
-    po = Out; 
- 
-    /* Filter first part using memory from past */ 
-     
-    for (i=0;i<LPC_FILTERORDER;i++) { 
-        pi = &In[i]; 
-        pm = &mem[LPC_FILTERORDER-1]; 
-        pa = a; 
-        *po=0.0; 
-        for (j=0;j<=i;j++) { 
-            *po+=(*pa++)*(*pi--); 
-        } 
-        for (j=i+1;j<LPC_FILTERORDER+1;j++) { 
-            *po+=(*pa++)*(*pm--); 
-        } 
-        po++; 
-    } 
- 
-    /* Filter last part where the state is entierly  
-       in the input vector */ 
- 
-    for (i=LPC_FILTERORDER;i<len;i++) { 
-        pi = &In[i]; 
-        pa = a; 
-        *po=0.0; 
-        for (j=0;j<LPC_FILTERORDER+1;j++) { 
-            *po+=(*pa++)*(*pi--); 
-        } 
-        po++; 
-    } 
- 
-    /* Update state vector */ 
- 
-    memcpy(mem, &In[len-LPC_FILTERORDER],  
-        LPC_FILTERORDER*sizeof(float)); 
-} 
- 
- 
+
+/******************************************************************
+
+    iLBC Speech Coder ANSI-C Source Code
+
+    anaFilter.c 
+
+    Copyright (C) The Internet Society (2004). 
+    All Rights Reserved.
+
+******************************************************************/
+
+#include <string.h>
+#include "iLBC_define.h"
+
+/*----------------------------------------------------------------*
+ *  LP analysis filter.
+
+
+ *---------------------------------------------------------------*/
+    
+void anaFilter(
+    float *In,  /* (i) Signal to be filtered */
+    float *a,   /* (i) LP parameters */
+    int len,/* (i) Length of signal */
+    float *Out, /* (o) Filtered signal */
+    float *mem  /* (i/o) Filter state */
+){
+    int i, j;
+    float *po, *pi, *pm, *pa;
+
+    po = Out;
+
+    /* Filter first part using memory from past */
+    
+    for (i=0; i<LPC_FILTERORDER; i++) {
+        pi = &In[i];
+        pm = &mem[LPC_FILTERORDER-1];
+        pa = a;
+        *po=0.0;
+        for (j=0; j<=i; j++) {
+            *po+=(*pa++)*(*pi--);
+        }
+        for (j=i+1; j<LPC_FILTERORDER+1; j++) {
+
+            *po+=(*pa++)*(*pm--);
+        }
+        po++;
+    }
+
+    /* Filter last part where the state is entierly 
+       in the input vector */
+
+    for (i=LPC_FILTERORDER; i<len; i++) {
+        pi = &In[i];
+        pa = a;
+        *po=0.0;
+        for (j=0; j<LPC_FILTERORDER+1; j++) {
+            *po+=(*pa++)*(*pi--);
+        }
+        po++;
+    }
+
+    /* Update state vector */
+
+    memcpy(mem, &In[len-LPC_FILTERORDER], 
+        LPC_FILTERORDER*sizeof(float));
+}
+
+