marker_manager.h File Reference

#include "codestream_manager.h"

Go to the source code of this file.

Data Structures
struct	marker_param
	Marker parameters. More...

Typedefs
typedef struct marker_param	marker_param_t
	Marker parameters. More...

Functions
marker_param_t	set_marker (codestream_param_t cs, Byte2_t code, OPJ_OFF_T offset, Byte2_t length)
	set marker parameters from inputs More...
Byte_t	fetch_marker1byte (marker_param_t marker, OPJ_OFF_T offset)
	fetch marker content 1-bytes of data in file stream More...
Byte2_t	fetch_marker2bytebigendian (marker_param_t marker, OPJ_OFF_T offset)
	fetch marker content 2-byte big endian Byte codes in file stream More...
Byte4_t	fetch_marker4bytebigendian (marker_param_t marker, OPJ_OFF_T offset)
	fetch marker content 4-byte big endian Byte codes in file stream More...

Typedef Documentation

marker_param_t

typedef struct marker_param marker_param_t

Marker parameters.

Function Documentation

fetch_marker1byte()

Byte_t fetch_marker1byte	(	marker_param_t	marker,
		OPJ_OFF_T	offset
	)

fetch marker content 1-bytes of data in file stream

Parameters

[in]	marker	marker structure
[in]	offset	start Byte position in marker

Returns

fetched code

References marker_param::cs, fetch_codestream1byte(), and marker_param::offset.

Referenced by set_CODmkrdata(), and set_SIZmkrdata().

fetch_marker2bytebigendian()

Byte2_t fetch_marker2bytebigendian	(	marker_param_t	marker,
		OPJ_OFF_T	offset
	)

fetch marker content 2-byte big endian Byte codes in file stream

Parameters

[in]	marker	marker structure
[in]	offset	start Byte position in marker

Returns

fetched code

References marker_param::cs, fetch_codestream2bytebigendian(), and marker_param::offset.

Referenced by set_CODmkrdata(), and set_SIZmkrdata().

fetch_marker4bytebigendian()

Byte4_t fetch_marker4bytebigendian	(	marker_param_t	marker,
		OPJ_OFF_T	offset
	)

fetch marker content 4-byte big endian Byte codes in file stream

Parameters

[in]	marker	marker structure
[in]	offset	start Byte position in marker

Returns

fetched code

References marker_param::cs, fetch_codestream4bytebigendian(), and marker_param::offset.

Referenced by set_SIZmkrdata().

set_marker()

marker_param_t set_marker	(	codestream_param_t	cs,
		Byte2_t	code,
		OPJ_OFF_T	offset,
		Byte2_t	length
	)

set marker parameters from inputs

Parameters

[in]	cs	marker code
[in]	code	marker code
[in]	offset	offset in the codestream
[in]	length	marker segment length

Returns

structure of generated marker parameters

References marker_param::code, marker_param::cs, marker_param::length, and marker_param::offset.

Referenced by set_CODmkrdata(), and set_SIZmkrdata().