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