jcmarker.c File Reference

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

Go to the source code of this file.

Macros
#define	JPEG_INTERNALS

Typedefs
typedef my_marker_writer *	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
	emit_byte (j_compress_ptr cinfo, int val)
	emit_marker (j_compress_ptr cinfo, JPEG_MARKER mark)
	emit_2bytes (j_compress_ptr cinfo, int value)
	emit_dqt (j_compress_ptr cinfo, int index)
	emit_dht (j_compress_ptr cinfo, int index, boolean is_ac)
	emit_dac (j_compress_ptr cinfo)
	emit_dri (j_compress_ptr cinfo)
	emit_sof (j_compress_ptr cinfo, JPEG_MARKER code)
	emit_sos (j_compress_ptr cinfo)
	emit_jfif_app0 (j_compress_ptr cinfo)
	emit_adobe_app14 (j_compress_ptr cinfo)
	write_marker_header (j_compress_ptr cinfo, int marker, unsigned int datalen)
	write_marker_byte (j_compress_ptr cinfo, int val)
	write_file_header (j_compress_ptr cinfo)
	write_frame_header (j_compress_ptr cinfo)
	write_scan_header (j_compress_ptr cinfo)
	write_file_trailer (j_compress_ptr cinfo)
	write_tables_only (j_compress_ptr cinfo)
	jinit_marker_writer (j_compress_ptr cinfo)

Macro Definition Documentation

JPEG_INTERNALS

#define JPEG_INTERNALS

Definition at line 11 of file jcmarker.c.

Typedef Documentation

my_marker_ptr

typedef my_marker_writer* my_marker_ptr

Definition at line 92 of file jcmarker.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 16 of file jcmarker.c.

Function Documentation

emit_2bytes()

emit_2bytes	(	j_compress_ptr	cinfo,
		int	value
	)

Definition at line 131 of file jcmarker.c.

References emit_byte(), and LOCAL.

Referenced by emit_adobe_app14(), emit_dac(), emit_dht(), emit_dqt(), emit_dri(), emit_jfif_app0(), emit_sof(), emit_sos(), and write_marker_header().

emit_adobe_app14()

emit_adobe_app14

(

j_compress_ptr

cinfo

)

Definition at line 384 of file jcmarker.c.

References emit_2bytes(), emit_byte(), emit_marker(), JCS_YCbCr, JCS_YCCK, M_APP14, and METHODDEF.

Referenced by write_file_header().

emit_byte()

emit_byte	(	j_compress_ptr	cinfo,
		int	val
	)

Definition at line 108 of file jcmarker.c.

References ERREXIT, jpeg_destination_mgr::free_in_buffer, LOCAL, and jpeg_destination_mgr::next_output_byte.

Referenced by emit_2bytes(), emit_adobe_app14(), emit_dac(), emit_dht(), emit_dqt(), emit_jfif_app0(), emit_marker(), emit_sof(), emit_sos(), and write_marker_byte().

emit_dac()

emit_dac

(

j_compress_ptr

cinfo

)

Definition at line 222 of file jcmarker.c.

References jpeg_component_info::ac_tbl_no, compptr, jpeg_component_info::dc_tbl_no, emit_2bytes(), emit_byte(), emit_marker(), i, LOCAL, M_DAC, and NUM_ARITH_TBLS.

Referenced by write_scan_header().

emit_dht()

emit_dht	(	j_compress_ptr	cinfo,
		int	index,
		boolean	is_ac
	)

Definition at line 184 of file jcmarker.c.

References JHUFF_TBL::bits, emit_2bytes(), emit_byte(), emit_marker(), ERREXIT1, htbl, JHUFF_TBL::huffval, i, LOCAL, M_DHT, NULL, JHUFF_TBL::sent_table, and TRUE.

Referenced by write_scan_header(), and write_tables_only().

emit_dqt()

emit_dqt	(	j_compress_ptr	cinfo,
		int	index
	)

Definition at line 144 of file jcmarker.c.

References DCTSIZE2, emit_2bytes(), emit_byte(), emit_marker(), ERREXIT1, i, jpeg_natural_order, LOCAL, M_DQT, NULL, JQUANT_TBL::quantval, JQUANT_TBL::sent_table, and TRUE.

Referenced by write_frame_header(), and write_tables_only().

emit_dri()

emit_dri

(

j_compress_ptr

cinfo

)

Definition at line 265 of file jcmarker.c.

References emit_2bytes(), emit_marker(), LOCAL, and M_DRI.

Referenced by write_scan_header().

emit_jfif_app0()

emit_jfif_app0

(

j_compress_ptr

cinfo

)

Definition at line 349 of file jcmarker.c.

References emit_2bytes(), emit_byte(), emit_marker(), LOCAL, and M_APP0.

Referenced by write_file_header().

emit_marker()

emit_marker	(	j_compress_ptr	cinfo,
		JPEG_MARKER	mark
	)

Definition at line 122 of file jcmarker.c.

References emit_byte(), and LOCAL.

Referenced by emit_adobe_app14(), emit_dac(), emit_dht(), emit_dqt(), emit_dri(), emit_jfif_app0(), emit_sof(), emit_sos(), write_file_header(), write_file_trailer(), write_marker_header(), and write_tables_only().

emit_sof()

emit_sof	(	j_compress_ptr	cinfo,
		JPEG_MARKER	code
	)

Definition at line 277 of file jcmarker.c.

References jpeg_component_info::component_id, compptr, emit_2bytes(), emit_byte(), emit_marker(), ERREXIT1, jpeg_component_info::h_samp_factor, LOCAL, jpeg_component_info::quant_tbl_no, and jpeg_component_info::v_samp_factor.

Referenced by write_frame_header().

emit_sos()

emit_sos

(

j_compress_ptr

cinfo

)

Definition at line 308 of file jcmarker.c.

References jpeg_component_info::ac_tbl_no, jpeg_component_info::component_id, compptr, jpeg_component_info::dc_tbl_no, emit_2bytes(), emit_byte(), emit_marker(), i, LOCAL, and M_SOS.

Referenced by write_scan_header().

jinit_marker_writer()

jinit_marker_writer

(

j_compress_ptr

cinfo

)

Definition at line 645 of file jcmarker.c.

References JPOOL_IMAGE, marker, SIZEOF, write_file_header(), write_file_trailer(), write_frame_header(), write_marker_byte(), write_marker_header(), write_scan_header(), and write_tables_only().

Referenced by jinit_compress_master(), jpeg_write_tables(), and transencode_master_selection().

write_file_header()

write_file_header

(

j_compress_ptr

cinfo

)

Definition at line 469 of file jcmarker.c.

References emit_adobe_app14(), emit_jfif_app0(), emit_marker(), M_SOI, marker, and METHODDEF.

Referenced by jinit_marker_writer().

write_file_trailer()

write_file_trailer

(

j_compress_ptr

cinfo

)

Definition at line 602 of file jcmarker.c.

References emit_marker(), M_EOI, and METHODDEF.

Referenced by jinit_marker_writer().

write_frame_header()

write_frame_header

(

j_compress_ptr

cinfo

)

Definition at line 494 of file jcmarker.c.

References jpeg_component_info::ac_tbl_no, compptr, jpeg_component_info::dc_tbl_no, emit_dqt(), emit_sof(), FALSE, M_SOF0, M_SOF1, M_SOF2, M_SOF9, METHODDEF, jpeg_component_info::quant_tbl_no, TRACEMS, and TRUE.

Referenced by jinit_marker_writer().

write_marker_byte()

write_marker_byte	(	j_compress_ptr	cinfo,
		int	val
	)

Definition at line 450 of file jcmarker.c.

References emit_byte(), and METHODDEF.

Referenced by jinit_marker_writer(), and jpeg_write_marker().

write_marker_header()

write_marker_header	(	j_compress_ptr	cinfo,
		int	marker,
		unsigned int	datalen
	)

Definition at line 438 of file jcmarker.c.

References datalen, emit_2bytes(), emit_marker(), ERREXIT, marker, and METHODDEF.

Referenced by jinit_marker_writer().

write_scan_header()

write_scan_header

(

j_compress_ptr

cinfo

)

Definition at line 551 of file jcmarker.c.

References jpeg_component_info::ac_tbl_no, jpeg_component_info::dc_tbl_no, emit_dac(), emit_dht(), emit_dri(), emit_sos(), FALSE, i, if(), marker, METHODDEF, and TRUE.

Referenced by jinit_marker_writer().

write_tables_only()

write_tables_only

(

j_compress_ptr

cinfo

)

Definition at line 616 of file jcmarker.c.

References emit_dht(), emit_dqt(), emit_marker(), FALSE, GLOBAL, i, M_EOI, M_SOI, NULL, NUM_HUFF_TBLS, NUM_QUANT_TBLS, TRUE, and void().

Referenced by jinit_marker_writer().