#include "jinclude.h"
#include "jpeglib.h"

Include dependency graph for jdmarker.c:

Classes
struct	my_marker_reader

Macros
#define	APP0_DATA_LEN 14 /* Length of interesting data in APP0 */

#define	APP14_DATA_LEN 12 /* Length of interesting data in APP14 */

#define	APPN_DATA_LEN 14 /* Must be the largest of the above!! */

#define	get_dac(cinfo) skip_variable(cinfo)

#define	INPUT_2BYTES(cinfo, V, action)

#define	INPUT_BYTE(cinfo, V, action)

#define	INPUT_RELOAD(cinfo)

#define	INPUT_SYNC(cinfo)

#define	INPUT_VARS(cinfo)

#define	JPEG_INTERNALS

#define	MAKE_BYTE_AVAIL(cinfo, action)

Typedefs
typedef my_marker_reader *	my_marker_ptr

Enumerations
enum	JPEG_MARKER { M_SOF0 = 0xc0, M_SOF1 = 0xc1, M_SOF2 = 0xc2, M_SOF3 = 0xc3, M_SOF5 = 0xc5, M_SOF6 = 0xc6, M_SOF7 = 0xc7, M_JPG = 0xc8, M_SOF9 = 0xc9, M_SOF10 = 0xca, M_SOF11 = 0xcb, M_SOF13 = 0xcd, M_SOF14 = 0xce, M_SOF15 = 0xcf, M_DHT = 0xc4, M_DAC = 0xcc, M_RST0 = 0xd0, M_RST1 = 0xd1, M_RST2 = 0xd2, M_RST3 = 0xd3, M_RST4 = 0xd4, M_RST5 = 0xd5, M_RST6 = 0xd6, M_RST7 = 0xd7, M_SOI = 0xd8, M_EOI = 0xd9, M_SOS = 0xda, M_DQT = 0xdb, M_DNL = 0xdc, M_DRI = 0xdd, M_DHP = 0xde, M_EXP = 0xdf, M_APP0 = 0xe0, M_APP1 = 0xe1, M_APP2 = 0xe2, M_APP3 = 0xe3, M_APP4 = 0xe4, M_APP5 = 0xe5, M_APP6 = 0xe6, M_APP7 = 0xe7, M_APP8 = 0xe8, M_APP9 = 0xe9, M_APP10 = 0xea, M_APP11 = 0xeb, M_APP12 = 0xec, M_APP13 = 0xed, M_APP14 = 0xee, M_APP15 = 0xef, M_JPG0 = 0xf0, M_JPG13 = 0xfd, M_COM = 0xfe, M_TEM = 0x01, M_ERROR = 0x100, M_SOF0 = 0xc0, M_SOF1 = 0xc1, M_SOF2 = 0xc2, M_SOF3 = 0xc3, M_SOF5 = 0xc5, M_SOF6 = 0xc6, M_SOF7 = 0xc7, M_JPG = 0xc8, M_SOF9 = 0xc9, M_SOF10 = 0xca, M_SOF11 = 0xcb, M_SOF13 = 0xcd, M_SOF14 = 0xce, M_SOF15 = 0xcf, M_DHT = 0xc4, M_DAC = 0xcc, M_RST0 = 0xd0, M_RST1 = 0xd1, M_RST2 = 0xd2, M_RST3 = 0xd3, M_RST4 = 0xd4, M_RST5 = 0xd5, M_RST6 = 0xd6, M_RST7 = 0xd7, M_SOI = 0xd8, M_EOI = 0xd9, M_SOS = 0xda, M_DQT = 0xdb, M_DNL = 0xdc, M_DRI = 0xdd, M_DHP = 0xde, M_EXP = 0xdf, M_APP0 = 0xe0, M_APP1 = 0xe1, M_APP2 = 0xe2, M_APP3 = 0xe3, M_APP4 = 0xe4, M_APP5 = 0xe5, M_APP6 = 0xe6, M_APP7 = 0xe7, M_APP8 = 0xe8, M_APP9 = 0xe9, M_APP10 = 0xea, M_APP11 = 0xeb, M_APP12 = 0xec, M_APP13 = 0xed, M_APP14 = 0xee, M_APP15 = 0xef, M_JPG0 = 0xf0, M_JPG13 = 0xfd, M_COM = 0xfe, M_TEM = 0x01, M_ERROR = 0x100 }

Functions
	examine_app0 (j_decompress_ptr cinfo, JOCTET FAR *data, unsigned int datalen, INT32 remaining)

	examine_app14 (j_decompress_ptr cinfo, JOCTET FAR *data, unsigned int datalen, INT32 remaining)

	first_marker (j_decompress_ptr cinfo)

	get_dht (j_decompress_ptr cinfo)

	get_dqt (j_decompress_ptr cinfo)

	get_dri (j_decompress_ptr cinfo)

	get_interesting_appn (j_decompress_ptr cinfo)

	get_sof (j_decompress_ptr cinfo, boolean is_prog, boolean is_arith)

	get_soi (j_decompress_ptr cinfo)

	get_sos (j_decompress_ptr cinfo)

	jinit_marker_reader (j_decompress_ptr cinfo)

	jpeg_resync_to_restart (j_decompress_ptr cinfo, int desired)

	jpeg_save_markers (j_decompress_ptr cinfo, int marker_code, unsigned int length_limit)

	jpeg_set_marker_processor (j_decompress_ptr cinfo, int marker_code, jpeg_marker_parser_method routine)

	next_marker (j_decompress_ptr cinfo)

	read_markers (j_decompress_ptr cinfo)

	read_restart_marker (j_decompress_ptr cinfo)

	reset_marker_reader (j_decompress_ptr cinfo)

	save_marker (j_decompress_ptr cinfo)

	skip_variable (j_decompress_ptr cinfo)

Macro Definition Documentation

◆ APP0_DATA_LEN

#define APP0_DATA_LEN 14 /* Length of interesting data in APP0 */

Definition at line 578 of file jdmarker.c.

◆ APP14_DATA_LEN

#define APP14_DATA_LEN 12 /* Length of interesting data in APP14 */

Definition at line 579 of file jdmarker.c.

◆ APPN_DATA_LEN

#define APPN_DATA_LEN 14 /* Must be the largest of the above!! */

Definition at line 580 of file jdmarker.c.

◆ get_dac

#define get_dac ( cinfo ) skip_variable(cinfo)

Definition at line 413 of file jdmarker.c.

◆ INPUT_2BYTES

#define INPUT_2BYTES	(	cinfo,
		V,
		action
	)

Value:

        MAKESTMT( MAKE_BYTE_AVAIL(cinfo,action); \
                  bytes_in_buffer--; \
                  V = ((unsigned int) GETJOCTET(*next_input_byte++)) << 8; \
                  MAKE_BYTE_AVAIL(cinfo,action); \
                  bytes_in_buffer--; \
                  V += GETJOCTET(*next_input_byte++); )

Definition at line 156 of file jdmarker.c.

◆ INPUT_BYTE

#define INPUT_BYTE	(	cinfo,
		V,
		action
	)

Value:

        MAKESTMT( MAKE_BYTE_AVAIL(cinfo,action); \
                  bytes_in_buffer--; \
                  V = GETJOCTET(*next_input_byte++); )

Definition at line 148 of file jdmarker.c.

◆ INPUT_RELOAD

#define INPUT_RELOAD ( cinfo )

Value:

( next_input_byte = datasrc->next_input_byte, \

bytes_in_buffer = datasrc->bytes_in_buffer )

Definition at line 130 of file jdmarker.c.

◆ INPUT_SYNC

#define INPUT_SYNC ( cinfo )

Value:

( datasrc->next_input_byte = next_input_byte, \

datasrc->bytes_in_buffer = bytes_in_buffer )

Definition at line 125 of file jdmarker.c.

◆ INPUT_VARS

#define INPUT_VARS ( cinfo )

Value:

        struct jpeg_source_mgr * datasrc = (cinfo)->src;  \
        const JOCTET * next_input_byte = datasrc->next_input_byte;  \
        size_t bytes_in_buffer = datasrc->bytes_in_buffer

Definition at line 119 of file jdmarker.c.

◆ JPEG_INTERNALS

#define JPEG_INTERNALS

Definition at line 15 of file jdmarker.c.

◆ MAKE_BYTE_AVAIL

#define MAKE_BYTE_AVAIL	(	cinfo,
		action
	)

Value:

        if (bytes_in_buffer == 0) {  \
          if (! (*datasrc->fill_input_buffer) (cinfo))  \
            { action; }  \
          INPUT_RELOAD(cinfo);  \
        }

Definition at line 138 of file jdmarker.c.

Typedef Documentation

◆ my_marker_ptr

typedef my_marker_reader* my_marker_ptr

Definition at line 107 of file jdmarker.c.

Enumeration Type Documentation

◆ JPEG_MARKER

enum JPEG_MARKER

Enumerator
M_SOF0
M_SOF1
M_SOF2
M_SOF3
M_SOF5
M_SOF6
M_SOF7
M_JPG
M_SOF9
M_SOF10
M_SOF11
M_SOF13
M_SOF14
M_SOF15
M_DHT
M_DAC
M_RST0
M_RST1
M_RST2
M_RST3
M_RST4
M_RST5
M_RST6
M_RST7
M_SOI
M_EOI
M_SOS
M_DQT
M_DNL
M_DRI
M_DHP
M_EXP
M_APP0
M_APP1
M_APP2
M_APP3
M_APP4
M_APP5
M_APP6
M_APP7
M_APP8
M_APP9
M_APP10
M_APP11
M_APP12
M_APP13
M_APP14
M_APP15
M_JPG0
M_JPG13
M_COM
M_TEM
M_ERROR
M_SOF0
M_SOF1
M_SOF2
M_SOF3
M_SOF5
M_SOF6
M_SOF7
M_JPG
M_SOF9
M_SOF10
M_SOF11
M_SOF13
M_SOF14
M_SOF15
M_DHT
M_DAC
M_RST0
M_RST1
M_RST2
M_RST3
M_RST4
M_RST5
M_RST6
M_RST7
M_SOI
M_EOI
M_SOS
M_DQT
M_DNL
M_DRI
M_DHP
M_EXP
M_APP0
M_APP1
M_APP2
M_APP3
M_APP4
M_APP5
M_APP6
M_APP7
M_APP8
M_APP9
M_APP10
M_APP11
M_APP12
M_APP13
M_APP14
M_APP15
M_JPG0
M_JPG13
M_COM
M_TEM
M_ERROR

Definition at line 20 of file jdmarker.c.

Function Documentation

◆ examine_app0()

examine_app0	(	j_decompress_ptr	cinfo,
		JOCTET FAR *	data,
		unsigned int	datalen,
		INT32	remaining
	)

Definition at line 584 of file jdmarker.c.

◆ examine_app14()

examine_app14	(	j_decompress_ptr	cinfo,
		JOCTET FAR *	data,
		unsigned int	datalen,
		INT32	remaining
	)

Definition at line 660 of file jdmarker.c.

◆ first_marker()

first_marker ( j_decompress_ptr cinfo )

Definition at line 921 of file jdmarker.c.

◆ get_dht()

get_dht ( j_decompress_ptr cinfo )

Definition at line 419 of file jdmarker.c.

◆ get_dqt()

get_dqt ( j_decompress_ptr cinfo )

Definition at line 490 of file jdmarker.c.

◆ get_dri()

get_dri ( j_decompress_ptr cinfo )

Definition at line 548 of file jdmarker.c.

◆ get_interesting_appn()

get_interesting_appn ( j_decompress_ptr cinfo )

Definition at line 691 of file jdmarker.c.

◆ get_sof()

get_sof	(	j_decompress_ptr	cinfo,
		boolean	is_prog,
		boolean	is_arith
	)

Definition at line 237 of file jdmarker.c.

◆ get_soi()

get_soi ( j_decompress_ptr cinfo )

Definition at line 197 of file jdmarker.c.

◆ get_sos()

get_sos ( j_decompress_ptr cinfo )

Definition at line 301 of file jdmarker.c.

◆ jinit_marker_reader()

jinit_marker_reader ( j_decompress_ptr cinfo )

Definition at line 1262 of file jdmarker.c.

◆ jpeg_resync_to_restart()

jpeg_resync_to_restart	(	j_decompress_ptr	cinfo,
		int	desired
	)

Definition at line 1192 of file jdmarker.c.

◆ jpeg_save_markers()

jpeg_save_markers	(	j_decompress_ptr	cinfo,
		int	marker_code,
		unsigned int	length_limit
	)

Definition at line 1300 of file jdmarker.c.

◆ jpeg_set_marker_processor()

jpeg_set_marker_processor	(	j_decompress_ptr	cinfo,
		int	marker_code,
		jpeg_marker_parser_method	routine
	)

Definition at line 1349 of file jdmarker.c.

◆ next_marker()

next_marker ( j_decompress_ptr cinfo )

Definition at line 874 of file jdmarker.c.

◆ read_markers()

read_markers ( j_decompress_ptr cinfo )

Definition at line 952 of file jdmarker.c.

◆ read_restart_marker()

read_restart_marker ( j_decompress_ptr cinfo )

Definition at line 1113 of file jdmarker.c.

◆ reset_marker_reader()

reset_marker_reader ( j_decompress_ptr cinfo )

Definition at line 1242 of file jdmarker.c.

◆ save_marker()

save_marker ( j_decompress_ptr cinfo )

Definition at line 739 of file jdmarker.c.

◆ skip_variable()

skip_variable ( j_decompress_ptr cinfo )

Definition at line 845 of file jdmarker.c.

Classes

Macros

Typedefs

Enumerations

Functions

Macro Definition Documentation

◆ APP0_DATA_LEN

◆ APP14_DATA_LEN

◆ APPN_DATA_LEN

◆ get_dac

◆ INPUT_2BYTES

◆ INPUT_BYTE

◆ INPUT_RELOAD

◆ INPUT_SYNC

◆ INPUT_VARS

◆ JPEG_INTERNALS

◆ MAKE_BYTE_AVAIL

Typedef Documentation

◆ my_marker_ptr

Enumeration Type Documentation

◆ JPEG_MARKER

Function Documentation

◆ examine_app0()

◆ examine_app14()

◆ first_marker()

◆ get_dht()

◆ get_dqt()

◆ get_dri()

◆ get_interesting_appn()

◆ get_sof()

◆ get_soi()

◆ get_sos()

◆ jinit_marker_reader()

◆ jpeg_resync_to_restart()

◆ jpeg_save_markers()

◆ jpeg_set_marker_processor()

◆ next_marker()

◆ read_markers()

◆ read_restart_marker()

◆ reset_marker_reader()

◆ save_marker()

◆ skip_variable()