1 /********************************************************************
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. *
8 * THE OggVorbis SOURCE CODE IS (C) COPYRIGHT 1994-2001 *
9 * by the XIPHOPHORUS Company http://www.xiph.org/ *
11 ********************************************************************
13 function: utility functions for loading .vqh and .vqd files
14 last mod: $Id: bookutil.h,v 1.12 2001/12/20 01:00:39 segher Exp $
16 ********************************************************************/
18 #ifndef _V_BOOKUTIL_H_
19 #define _V_BOOKUTIL_H_
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);
35 extern codebook *codebook_load(char *filename);
36 extern void write_codebook(FILE *out,char *name,const static_codebook *c);
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);