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      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: utility functions for loading .vqh and .vqd files
     14  last mod: $Id: bookutil.h 13293 2007-07-24 00:09:47Z xiphmont $
     15 
     16  ********************************************************************/
     17 
     18 #ifndef _V_BOOKUTIL_H_
     19 #define _V_BOOKUTIL_H_
     20 
     21 #include <stdio.h>
     22 #include <sys/time.h>
     23 
     24 #include "localcodebook.h"
     25 
     26 extern char     *get_line(FILE *in);
     27 extern char     *setup_line(FILE *in);
     28 extern int       get_line_value(FILE *in,float *value);
     29 extern int       get_next_value(FILE *in,float *value);
     30 extern int       get_next_ivalue(FILE *in,long *ivalue);
     31 extern void      reset_next_value(void);
     32 extern int       get_vector(codebook *b,FILE *in,int start,int num,float *a);
     33 extern char     *find_seek_to(FILE *in,char *s);
     34 
     35 extern codebook *codebook_load(char *filename);
     36 extern void write_codebook(FILE *out,char *name,const static_codebook *c);
     37 
     38 extern void spinnit(char *s,int n);
     39 extern void build_tree_from_lengths(int vals, long *hist, long *lengths);
     40 extern void build_tree_from_lengths0(int vals, long *hist, long *lengths);
     41 
     42 #endif
     43 
     44