1 /********************************************************************
3 * THIS FILE IS PART OF THE OggVorbis SOFTWARE CODEC SOURCE CODE. *
4 * USE, DISTRIBUTION AND REPRODUCTION OF THIS SOURCE IS GOVERNED BY *
5 * THE GNU LESSER/LIBRARY PUBLIC LICENSE, WHICH IS INCLUDED WITH *
6 * THIS SOURCE. PLEASE READ THESE TERMS BEFORE DISTRIBUTING. *
8 * THE OggVorbis SOURCE CODE IS (C) COPYRIGHT 1994-2000 *
9 * by Monty <monty@xiph.org> and the XIPHOPHORUS Company *
10 * http://www.xiph.org/ *
12 ********************************************************************
14 function: utility functions for loading .vqh and .vqd files
15 last mod: $Id: bookutil.h,v 1.9 2000/11/08 03:23:23 xiphmont Exp $
17 ********************************************************************/
19 #ifndef _V_BOOKUTIL_H_
20 #define _V_BOOKUTIL_H_
27 extern char *get_line(FILE *in);
28 extern char *setup_line(FILE *in);
29 extern int get_line_value(FILE *in,float *value);
30 extern int get_next_value(FILE *in,float *value);
31 extern int get_next_ivalue(FILE *in,long *ivalue);
32 extern void reset_next_value(void);
33 extern int get_vector(codebook *b,FILE *in,int start,int num,float *a);
34 extern char *find_seek_to(FILE *in,char *s);
36 extern codebook *codebook_load(char *filename);
37 extern void write_codebook(FILE *out,char *name,const static_codebook *c);
39 extern void spinnit(char *s,int n);
40 extern void build_tree_from_lengths(int vals, long *hist, long *lengths);
41 extern void build_tree_from_lengths0(int vals, long *hist, long *lengths);