diff intercom/ilbc/createCB.h @ 2:13be24d74cd2

import intercom-0.4.1
author Peter Meerwald <pmeerw@cosy.sbg.ac.at>
date Fri, 25 Jun 2010 09:57:52 +0200
parents
children
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--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/intercom/ilbc/createCB.h	Fri Jun 25 09:57:52 2010 +0200
@@ -0,0 +1,49 @@
+
+   /******************************************************************
+
+       iLBC Speech Coder ANSI-C Source Code
+
+       createCB.h
+
+       Copyright (C) The Internet Society (2004).
+       All Rights Reserved.
+
+   ******************************************************************/
+
+#ifndef __iLBC_CREATECB_H
+#define __iLBC_CREATECB_H
+
+void filteredCBvecs(float *cbvectors,   /* (o) Codebook vector for the
+                                           higher section */
+  float *mem,                   /* (i) Buffer to create codebook
+                                   vectors from */
+  int lMem                      /* (i) Length of buffer */
+  );
+
+void searchAugmentedCB(int low, /* (i) Start index for the search */
+  int high,                     /* (i) End index for the search */
+  int stage,                    /* (i) Current stage */
+  int startIndex,               /* (i) CB index for the first
+                                   augmented vector */
+  float *target,                /* (i) Target vector for encoding */
+  float *buffer,                /* (i) Pointer to the end of the
+                                   buffer for augmented codebook
+                                   construction */
+  float *max_measure,           /* (i/o) Currently maximum measure */
+  int *best_index,              /* (o) Currently the best index */
+  float *gain,                  /* (o) Currently the best gain */
+  float *energy,                /* (o) Energy of augmented
+                                   codebook vectors */
+  float *invenergy              /* (o) Inv energy of aug codebook
+                                   vectors */
+  );
+
+void createAugmentedVec(int index,      /* (i) Index for the aug vector
+                                           to be created */
+  float *buffer,                /* (i) Pointer to the end of the
+                                   buffer for augmented codebook
+                                   construction */
+  float *cbVec                  /* (o) The construced codebook vector */
+  );
+
+#endif

Repositories maintained by Peter Meerwald, pmeerw@pmeerw.net.