OpenJPEG  2.4.0
Data Structures | Typedefs | Functions
boxheader_manager.h File Reference
#include "openjpeg.h"
#include "byte_manager.h"
#include "box_manager.h"

Go to the source code of this file.

Data Structures

struct  boxheader_param
 box header parameters More...
 

Typedefs

typedef struct boxheader_param boxheader_param_t
 box header parameters More...
 

Functions

boxheader_param_tgene_boxheader (int fd, OPJ_OFF_T offset)
 generate a box header at the given offset More...
 
boxheader_param_tgene_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...
 

Typedef Documentation

box header parameters

Function Documentation

boxheader_param_t* gene_boxheader ( int  fd,
OPJ_OFF_T  offset 
)

generate a box header at the given offset

Parameters
[in]fdfile discriptor of the JP2 file
[in]offsetBox 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().

boxheader_param_t* gene_childboxheader ( box_param_t superbox,
OPJ_OFF_T  offset 
)

generate a child box header at the given offset

Parameters
[in]superboxsuper box pointer
[in]offsetoffset 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().

void print_boxheader ( boxheader_param_t boxheader)

print box header parameters

Parameters
[in]boxheaderboxheader pointer

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

Referenced by print_manfbox().