release/src/router/libvorbis/vq/vqsplit.h

   1 /********************************************************************
   2  *                                                                  *
   3  * THIS FILE IS PART OF THE OggVorbis SOFTWARE CODEC SOURCE CODE.   *
   4  * USE, DISTRIBUTION AND REPRODUCTION OF THIS LIBRARY SOURCE IS     *
   5  * GOVERNED BY A BSD-STYLE SOURCE LICENSE INCLUDED WITH THIS SOURCE *
   6  * IN 'COPYING'. PLEASE READ THESE TERMS BEFORE DISTRIBUTING.       *
   7  *                                                                  *
   8  * THE OggVorbis SOURCE CODE IS (C) COPYRIGHT 1994-2001             *
   9  * by the Xiph.Org Foundation http://www.xiph.org/                  *
  10  *                                                                  *
  11  ********************************************************************
  12
  13  function: build a VQ codebook decision tree
  14  last mod: $Id: vqsplit.h 16037 2009-05-26 21:10:58Z xiphmont $
  15
  16  ********************************************************************/
  17
  18 #ifndef _VQSPL_H_
  19 #define _VQSPL_H_
  20
  21 #include "codebook.h"
  22
  23 extern void vqsp_book(vqgen *v,codebook *b,long *quantlist);
  24 extern int vqenc_entry(codebook *b,float *val);
  25 extern int lp_split(float *pointlist,long totalpoints,
  26                     codebook *b,
  27                     long *entryindex,long entries,
  28                     long *pointindex,long points,
  29                     long *membership,long *reventry,
  30                     long depth, long *pointsofar);
  31
  32 #endif
  33
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  37