bookutil.c File Reference

#include <stdlib.h>
#include <stdio.h>
#include <math.h>
#include <string.h>
#include <errno.h>
#include "bookutil.h"

Go to the source code of this file.

Functions
int	_best (codebook *book, float *a, int step)
void	build_tree_from_lengths (int vals, long *hist, long *lengths)
void	build_tree_from_lengths0 (int vals, long *hist, long *lengths)
codebook *	codebook_load (char *filename)
char *	find_seek_to (FILE *in, char *s)
char *	get_line (FILE *in)
int	get_line_value (FILE *in, float *value)
int	get_next_ivalue (FILE *in, long *ivalue)
int	get_next_value (FILE *in, float *value)
int	get_vector (codebook *b, FILE *in, int start, int n, float *a)
void	reset_next_value (void)
char *	setup_line (FILE *in)
void	spinnit (char *s, int n)
void	write_codebook (FILE *out, char *name, const static_codebook *c)

Variables
static int	lbufsize =0
static char *	linebuffer =NULL
static float	sequence_base =0.f
static int	v_sofar =0
static char *	value_line_buff =NULL

Function Documentation

int _best	(	codebook *	book,
		float *	a,
		int	step
	)

Definition at line 25 of file bookutil.c.

References codebook::c, codebook::delta, codebook::dim, e, codebook::entries, i, int, j, static_codebook::lengthlist, m, codebook::minval, and codebook::quantvals.

void build_tree_from_lengths	(	int	vals,
		long *	hist,
		long *	lengths
	)

Definition at line 338 of file bookutil.c.

References _ogg_malloc, free, i, j, memcpy, and spinnit().

Referenced by build_tree_from_lengths0(), and main().

void build_tree_from_lengths0	(	int	vals,
		long *	hist,
		long *	lengths
	)

Definition at line 407 of file bookutil.c.

References _ogg_calloc, build_tree_from_lengths(), free, and i.

Referenced by main().

codebook* codebook_load

(

char *

filename

)

Definition at line 233 of file bookutil.c.

References _book_maptype1_quantvals(), _book_unquantize(), _ogg_calloc, _ogg_malloc, codebook::c, static_codebook::dim, static_codebook::entries, find_seek_to(), get_line(), get_next_ivalue(), i, static_codebook::lengthlist, static_codebook::maptype, NULL, static_codebook::q_delta, static_codebook::q_min, static_codebook::q_quant, static_codebook::q_sequencep, static_codebook::quantlist, reset_next_value(), codebook::valuelist, and vorbis_book_init_encode().

Referenced by main().

char* find_seek_to	(	FILE *	in,
		char *	s
	)

Definition at line 216 of file bookutil.c.

References get_line(), and NULL.

Referenced by codebook_load().

char* get_line

(

FILE *

in

)

Definition at line 85 of file bookutil.c.

References _ogg_malloc, _ogg_realloc, EOF, lbufsize, linebuffer, and NULL.

Referenced by codebook_load(), find_seek_to(), get_next_value(), main(), and setup_line().

int get_line_value	(	FILE *	in,
		float *	value
	)

Definition at line 131 of file bookutil.c.

References NULL, and value_line_buff.

Referenced by get_next_value(), get_vector(), and getval().

int get_next_ivalue	(	FILE *	in,
		long *	ivalue
	)

Definition at line 159 of file bookutil.c.

References get_next_value(), and ret.

Referenced by codebook_load(), and main().

int get_next_value	(	FILE *	in,
		float *	value
	)

Definition at line 148 of file bookutil.c.

References get_line(), get_line_value(), and value_line_buff.

Referenced by get_next_ivalue(), get_vector(), and getval().

int get_vector	(	codebook *	b,
		FILE *	in,
		int	start,
		int	n,
		float *	a
	)

Definition at line 181 of file bookutil.c.

References codebook::c, static_codebook::dim, get_line_value(), get_next_value(), i, static_codebook::q_sequencep, reset_next_value(), sequence_base, and v_sofar.

void reset_next_value

(

void

)

Definition at line 168 of file bookutil.c.

References NULL, sequence_base, v_sofar, and value_line_buff.

Referenced by codebook_load(), get_vector(), getval(), main(), and setup_line().

char* setup_line

(

FILE *

in

)

Definition at line 174 of file bookutil.c.

References get_line(), reset_next_value(), and value_line_buff.

Referenced by main().

void spinnit	(	char *	s,
		int	n
	)

Definition at line 306 of file bookutil.c.

References NULL.

Referenced by build_tree_from_lengths(), main(), meshcomp(), process_vector(), vqgen_addpoint(), vqgen_iterate(), and vqgen_sortmesh().

void write_codebook	(	FILE *	out,
		char *	name,
		const static_codebook *	c
	)

Definition at line 437 of file bookutil.c.

References _book_maptype1_quantvals(), static_codebook::dim, static_codebook::entries, i, j, k, static_codebook::lengthlist, static_codebook::maptype, static_codebook::q_delta, static_codebook::q_min, static_codebook::q_quant, static_codebook::q_sequencep, and static_codebook::quantlist.

Referenced by main().

Variable Documentation

int lbufsize =0

static

Definition at line 84 of file bookutil.c.

Referenced by get_line().

char* linebuffer =NULL

static

Definition at line 83 of file bookutil.c.

Referenced by get_line().

float sequence_base =0.f

static

Definition at line 166 of file bookutil.c.

Referenced by get_vector(), and reset_next_value().

int v_sofar =0

static

Definition at line 167 of file bookutil.c.

Referenced by get_vector(), and reset_next_value().

char* value_line_buff =NULL

static

Definition at line 129 of file bookutil.c.

Referenced by get_line_value(), get_next_value(), reset_next_value(), and setup_line().