boxheader_manager.c File Reference

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "boxheader_manager.h"
#include "opj_inttypes.h"

Macros
#define	FCGI_stdout   stdout
#define	FCGI_stderr   stderr
#define	logstream   stderr

Functions
boxheader_param_t *	gene_boxheader (int fd, OPJ_OFF_T offset)
	generate a box header at the given offset More...
boxheader_param_t *	gene_childboxheader (box_param_t *superbox, OPJ_OFF_T offset)
	generate a child box header at the given offset More...
void	print_boxheader (boxheader_param_t *boxheader)
	print box header parameters More...

Macro Definition Documentation

FCGI_stderr

#define FCGI_stderr   stderr

FCGI_stdout

#define FCGI_stdout   stdout

logstream

#define logstream   stderr

Function Documentation

gene_boxheader()

boxheader_param_t* gene_boxheader	(	int	fd,
		OPJ_OFF_T	offset
	)

generate a box header at the given offset

Parameters

[in]	fd	file discriptor of the JP2 file
[in]	offset	Box offset

Returns

pointer to the structure of generate box header parameters

References fetch_4bytebigendian(), fetch_8bytebigendian(), fetch_bytes(), boxheader_param::headlen, boxheader_param::length, boxheader_param::next, and boxheader_param::type.

Referenced by gene_childboxheader().

gene_childboxheader()

boxheader_param_t* gene_childboxheader	(	box_param_t *	superbox,
		OPJ_OFF_T	offset
	)

generate a child box header at the given offset

Parameters

[in]	superbox	super box pointer
[in]	offset	offset from DBox first byte of superbox

Returns

pointer to the structure of generate box header parameters

References box_param::fd, gene_boxheader(), and get_DBoxoff().

Referenced by check_JP2boxidx(), and gene_manfbox().

print_boxheader()

void print_boxheader

(

boxheader_param_t *

boxheader

)

print box header parameters

Parameters

[in]

boxheader

boxheader pointer

References boxheader_param::length, logstream, and boxheader_param::type.

Referenced by print_manfbox().