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authorrussell <russell@f38db490-d61c-443f-a65b-d21fe96a405b>2008-01-19 00:19:29 +0000
committerrussell <russell@f38db490-d61c-443f-a65b-d21fe96a405b>2008-01-19 00:19:29 +0000
commitf8247040e6231c4b3b5099ea3a526348b7941566 (patch)
tree0cc92ad6ebf6ae49a62f6e7ef8ec819121d63630 /trunk/codecs/ilbc/createCB.h
parentd88e56c61ce2042544c1a8a71c93b69ab2e6ffba (diff)
Creating tag for the release of asterisk-1.6.0-beta1v1.6.0-beta1
git-svn-id: http://svn.digium.com/svn/asterisk/tags/1.6.0-beta1@99163 f38db490-d61c-443f-a65b-d21fe96a405b
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+
+/******************************************************************
+
+
+
+ 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
+
+