jpeg_decompress_struct Struct Reference

#include <jpeglib.h>

Collaboration diagram for jpeg_decompress_struct:

[legend]

Data Fields
JHUFF_TBL *	ac_huff_tbl_ptrs [NUM_HUFF_TBLS]
JHUFF_TBL *	ac_huff_tbl_ptrs [NUM_HUFF_TBLS]
int	actual_number_of_colors
UINT8	Adobe_transform
int	Ah
int	Al
UINT8	arith_ac_K [NUM_ARITH_TBLS]
boolean	arith_code
UINT8	arith_dc_L [NUM_ARITH_TBLS]
UINT8	arith_dc_U [NUM_ARITH_TBLS]
int	blocks_in_MCU
boolean	buffered_image
boolean	CCIR601_sampling
jpeg_color_deconverter *	cconvert
jpeg_color_deconverter *	cconvert
jpeg_d_coef_controller *	coef
jpeg_d_coef_controller *	coef
int(*	coef_bits )[DCTSIZE2]
JSAMPARRAY	colormap
jpeg_component_info *	comp_info
jpeg_component_info *	comp_info
int	comps_in_scan
jpeg_color_quantizer *	cquantize
jpeg_color_quantizer *	cquantize
jpeg_component_info *	cur_comp_info [MAX_COMPS_IN_SCAN]
jpeg_component_info *	cur_comp_info [MAX_COMPS_IN_SCAN]
int	data_precision
JHUFF_TBL *	dc_huff_tbl_ptrs [NUM_HUFF_TBLS]
JHUFF_TBL *	dc_huff_tbl_ptrs [NUM_HUFF_TBLS]
J_DCT_METHOD	dct_method
UINT8	density_unit
int	desired_number_of_colors
J_DITHER_MODE	dither_mode
boolean	do_block_smoothing
boolean	do_fancy_upsampling
boolean	enable_1pass_quant
boolean	enable_2pass_quant
boolean	enable_external_quant
jpeg_entropy_decoder *	entropy
jpeg_entropy_decoder *	entropy
jpeg_inverse_dct *	idct
jpeg_inverse_dct *	idct
JDIMENSION	image_height
JDIMENSION	image_width
JDIMENSION	input_iMCU_row
int	input_scan_number
jpeg_input_controller *	inputctl
jpeg_input_controller *	inputctl
J_COLOR_SPACE	jpeg_color_space
	jpeg_common_fields
jpeg_d_main_controller *	main
jpeg_d_main_controller *	main
jpeg_marker_reader *	marker
jpeg_marker_reader *	marker
jpeg_decomp_master *	master
jpeg_decomp_master *	master
int	max_h_samp_factor
int	max_v_samp_factor
int	MCU_membership [D_MAX_BLOCKS_IN_MCU]
JDIMENSION	MCU_rows_in_scan
JDIMENSION	MCUs_per_row
int	min_DCT_scaled_size
int	num_components
int	out_color_components
J_COLOR_SPACE	out_color_space
int	output_components
double	output_gamma
JDIMENSION	output_height
JDIMENSION	output_iMCU_row
int	output_scan_number
JDIMENSION	output_scanline
JDIMENSION	output_width
jpeg_d_post_controller *	post
jpeg_d_post_controller *	post
boolean	progressive_mode
JQUANT_TBL *	quant_tbl_ptrs [NUM_QUANT_TBLS]
JQUANT_TBL *	quant_tbl_ptrs [NUM_QUANT_TBLS]
boolean	quantize_colors
boolean	raw_data_out
int	rec_outbuf_height
unsigned int	restart_interval
JSAMPLE *	sample_range_limit
JSAMPLE *	sample_range_limit
boolean	saw_Adobe_marker
boolean	saw_JFIF_marker
unsigned int	scale_denom
unsigned int	scale_num
int	Se
jpeg_source_mgr *	src
jpeg_source_mgr *	src
int	Ss
JDIMENSION	total_iMCU_rows
boolean	two_pass_quantize
int	unread_marker
jpeg_upsampler *	upsample
jpeg_upsampler *	upsample
UINT16	X_density
UINT16	Y_density

---

Field Documentation

JHUFF_TBL* ac_huff_tbl_ptrs[NUM_HUFF_TBLS]

Definition at line 553 of file jpeglib.h.

JHUFF_TBL* ac_huff_tbl_ptrs[NUM_HUFF_TBLS]

Definition at line 521 of file jpeglib.h. Referenced by get_dht(), and start_pass_huff_decoder().

int actual_number_of_colors

Definition at line 505 of file jpeglib.h.

UINT8 Adobe_transform

Definition at line 583 of file jpeglib.h. Referenced by default_decompress_parms(), get_app14(), and get_soi().

int Ah

Definition at line 627 of file jpeglib.h. Referenced by get_sos(), and start_pass_huff_decoder().

int Al

Definition at line 627 of file jpeglib.h. Referenced by get_sos(), and start_pass_huff_decoder().

UINT8 arith_ac_K

Definition at line 570 of file jpeglib.h. Referenced by get_dac(), and get_soi().

boolean arith_code

Definition at line 566 of file jpeglib.h. Referenced by get_sof(), master_selection(), and transdecode_master_selection().

UINT8 arith_dc_L

Definition at line 568 of file jpeglib.h. Referenced by get_dac(), and get_soi().

UINT8 arith_dc_U

Definition at line 569 of file jpeglib.h. Referenced by get_dac(), and get_soi().

int blocks_in_MCU

Definition at line 622 of file jpeglib.h. Referenced by decode_mcu(), decompress_onepass(), and per_scan_setup().

boolean buffered_image

Definition at line 463 of file jpeglib.h. Referenced by default_decompress_parms(), jpeg_finish_decompress(), jpeg_start_decompress(), master_selection(), and prepare_for_output_pass().

boolean CCIR601_sampling

Definition at line 585 of file jpeglib.h. Referenced by get_soi(), jinit_upsampler(), jpeg_copy_critical_parameters(), and use_merged_upsample().

struct jpeg_color_deconverter* cconvert

Definition at line 647 of file jpeglib.h.

struct jpeg_color_deconverter* cconvert

Definition at line 615 of file jpeglib.h. Referenced by build_ycc_rgb_table(), jinit_color_deconverter(), prepare_for_output_pass(), sep_upsample(), ycc_rgb_convert(), and ycck_cmyk_convert().

struct jpeg_d_coef_controller* coef

Definition at line 640 of file jpeglib.h.

struct jpeg_d_coef_controller* coef

Definition at line 608 of file jpeglib.h. Referenced by decompress_onepass(), jinit_d_coef_controller(), jpeg_read_coefficients(), jpeg_read_raw_data(), prepare_for_output_pass(), process_data_context_main(), process_data_simple_main(), start_iMCU_row(), start_input_pass(), and start_output_pass().

int(* coef_bits)[DCTSIZE2]

Definition at line 538 of file jpeglib.h. Referenced by reset_input_controller().

JSAMPARRAY colormap

Definition at line 506 of file jpeglib.h. Referenced by default_decompress_parms(), master_selection(), and prepare_for_output_pass().

jpeg_component_info* comp_info

Definition at line 562 of file jpeglib.h.

jpeg_component_info* comp_info

Definition at line 530 of file jpeglib.h. Referenced by alloc_funny_pointers(), default_decompress_parms(), get_sof(), get_sos(), initial_setup(), jinit_color_deconverter(), jinit_d_coef_controller(), jinit_d_main_controller(), jinit_inverse_dct(), jinit_upsampler(), jpeg_calc_output_dimensions(), jpeg_copy_critical_parameters(), make_funny_pointers(), reset_marker_reader(), sep_upsample(), set_bottom_pointers(), set_wraparound_pointers(), start_pass(), and use_merged_upsample().

int comps_in_scan

Definition at line 615 of file jpeglib.h. Referenced by decompress_onepass(), get_sos(), initial_setup(), latch_quant_tables(), per_scan_setup(), process_restart(), start_iMCU_row(), and start_pass_huff_decoder().

struct jpeg_color_quantizer* cquantize

Definition at line 648 of file jpeglib.h.

struct jpeg_color_quantizer* cquantize

Definition at line 616 of file jpeglib.h. Referenced by finish_output_pass(), master_selection(), post_process_1pass(), and prepare_for_output_pass().

jpeg_component_info* cur_comp_info[MAX_COMPS_IN_SCAN]

Definition at line 616 of file jpeglib.h.

jpeg_component_info* cur_comp_info[MAX_COMPS_IN_SCAN]

Definition at line 584 of file jpeglib.h. Referenced by decode_mcu(), decompress_onepass(), get_sos(), latch_quant_tables(), per_scan_setup(), start_iMCU_row(), and start_pass_huff_decoder().

int data_precision

Definition at line 560 of file jpeglib.h. Referenced by get_sof(), initial_setup(), and jpeg_copy_critical_parameters().

JHUFF_TBL* dc_huff_tbl_ptrs[NUM_HUFF_TBLS]

Definition at line 552 of file jpeglib.h.

JHUFF_TBL* dc_huff_tbl_ptrs[NUM_HUFF_TBLS]

Definition at line 520 of file jpeglib.h. Referenced by get_dht(), and start_pass_huff_decoder().

J_DCT_METHOD dct_method

Definition at line 466 of file jpeglib.h. Referenced by default_decompress_parms(), and start_pass().

UINT8 density_unit

Definition at line 579 of file jpeglib.h. Referenced by get_app0(), and get_soi().

int desired_number_of_colors

Definition at line 474 of file jpeglib.h. Referenced by default_decompress_parms().

J_DITHER_MODE dither_mode

Definition at line 472 of file jpeglib.h. Referenced by default_decompress_parms().

boolean do_block_smoothing

Definition at line 468 of file jpeglib.h. Referenced by default_decompress_parms(), and start_output_pass().

boolean do_fancy_upsampling

Definition at line 467 of file jpeglib.h. Referenced by default_decompress_parms(), jinit_upsampler(), and use_merged_upsample().

boolean enable_1pass_quant

Definition at line 476 of file jpeglib.h. Referenced by default_decompress_parms(), master_selection(), and prepare_for_output_pass().

boolean enable_2pass_quant

Definition at line 478 of file jpeglib.h. Referenced by default_decompress_parms(), master_selection(), and prepare_for_output_pass().

boolean enable_external_quant

Definition at line 477 of file jpeglib.h. Referenced by default_decompress_parms(), and master_selection().

struct jpeg_entropy_decoder* entropy

Definition at line 644 of file jpeglib.h.

struct jpeg_entropy_decoder* entropy

Definition at line 612 of file jpeglib.h. Referenced by decode_mcu(), decompress_onepass(), jinit_huff_decoder(), process_restart(), start_input_pass(), and start_pass_huff_decoder().

struct jpeg_inverse_dct* idct

Definition at line 645 of file jpeglib.h.

struct jpeg_inverse_dct* idct

Definition at line 613 of file jpeglib.h. Referenced by decompress_onepass(), jinit_inverse_dct(), prepare_for_output_pass(), and start_pass().

JDIMENSION image_height

Definition at line 448 of file jpeglib.h. Referenced by get_sof(), initial_setup(), jpeg_calc_output_dimensions(), jpeg_copy_critical_parameters(), and per_scan_setup().

JDIMENSION image_width

Definition at line 447 of file jpeglib.h. Referenced by get_sof(), initial_setup(), jpeg_calc_output_dimensions(), jpeg_copy_critical_parameters(), and per_scan_setup().

JDIMENSION input_iMCU_row

Definition at line 522 of file jpeglib.h. Referenced by decompress_onepass(), start_iMCU_row(), and start_input_pass().

int input_scan_number

Definition at line 521 of file jpeglib.h. Referenced by consume_markers(), get_sos(), jpeg_start_decompress(), and reset_marker_reader().

struct jpeg_input_controller* inputctl

Definition at line 642 of file jpeglib.h.

struct jpeg_input_controller* inputctl

Definition at line 610 of file jpeglib.h. Referenced by consume_markers(), decompress_onepass(), finish_input_pass(), initial_setup(), jinit_input_controller(), jpeg_consume_input(), jpeg_finish_decompress(), jpeg_has_multiple_scans(), jpeg_input_complete(), jpeg_read_coefficients(), jpeg_start_decompress(), master_selection(), prepare_for_output_pass(), reset_input_controller(), start_input_pass(), and transdecode_master_selection().

J_COLOR_SPACE jpeg_color_space

Definition at line 450 of file jpeglib.h. Referenced by default_decompress_parms(), get_soi(), jinit_color_deconverter(), jpeg_copy_critical_parameters(), and use_merged_upsample().

jpeg_common_fields

Definition at line 439 of file jpeglib.h.

struct jpeg_d_main_controller* main

Definition at line 639 of file jpeglib.h.

struct jpeg_d_main_controller* main

Definition at line 607 of file jpeglib.h. Referenced by alloc_funny_pointers(), jinit_d_main_controller(), jpeg_read_scanlines(), make_funny_pointers(), output_pass_setup(), prepare_for_output_pass(), process_data_context_main(), process_data_simple_main(), set_bottom_pointers(), set_wraparound_pointers(), and start_pass_main().

struct jpeg_marker_reader* marker

Definition at line 643 of file jpeglib.h.

struct jpeg_marker_reader* marker

Definition at line 611 of file jpeglib.h. Referenced by consume_markers(), get_sof(), get_soi(), get_sos(), jinit_marker_reader(), jpeg_set_marker_processor(), next_marker(), process_restart(), read_markers(), read_restart_marker(), reset_input_controller(), and reset_marker_reader().

struct jpeg_decomp_master* master

Definition at line 638 of file jpeglib.h.

struct jpeg_decomp_master* master

Definition at line 606 of file jpeglib.h. Referenced by finish_output_pass(), jinit_master_decompress(), jpeg_finish_decompress(), master_selection(), output_pass_setup(), and prepare_for_output_pass().

int max_h_samp_factor

Definition at line 594 of file jpeglib.h. Referenced by initial_setup(), jinit_upsampler(), jpeg_calc_output_dimensions(), and per_scan_setup().

int max_v_samp_factor

Definition at line 595 of file jpeglib.h. Referenced by h2v1_fancy_upsample(), h2v1_upsample(), h2v2_fancy_upsample(), h2v2_upsample(), initial_setup(), int_upsample(), jinit_d_post_controller(), jinit_upsampler(), jpeg_calc_output_dimensions(), jpeg_read_raw_data(), per_scan_setup(), sep_upsample(), and start_pass_upsample().

int MCU_membership

Definition at line 623 of file jpeglib.h. Referenced by decode_mcu(), and per_scan_setup().

JDIMENSION MCU_rows_in_scan

Definition at line 620 of file jpeglib.h. Referenced by per_scan_setup().

JDIMENSION MCUs_per_row

Definition at line 619 of file jpeglib.h. Referenced by decompress_onepass(), and per_scan_setup().

int min_DCT_scaled_size

Definition at line 597 of file jpeglib.h. Referenced by alloc_funny_pointers(), initial_setup(), jinit_d_main_controller(), jinit_upsampler(), jpeg_calc_output_dimensions(), jpeg_read_raw_data(), make_funny_pointers(), process_data_context_main(), process_data_simple_main(), set_bottom_pointers(), set_wraparound_pointers(), and use_merged_upsample().

int num_components

Definition at line 449 of file jpeglib.h. Referenced by alloc_funny_pointers(), default_decompress_parms(), get_sof(), get_sos(), initial_setup(), jinit_color_deconverter(), jinit_d_coef_controller(), jinit_d_main_controller(), jinit_inverse_dct(), jinit_upsampler(), jpeg_calc_output_dimensions(), jpeg_copy_critical_parameters(), make_funny_pointers(), master_selection(), null_convert(), sep_upsample(), set_bottom_pointers(), set_wraparound_pointers(), start_pass(), transdecode_master_selection(), and use_merged_upsample().

int out_color_components

Definition at line 488 of file jpeglib.h. Referenced by jinit_color_deconverter(), jinit_d_post_controller(), jpeg_calc_output_dimensions(), master_selection(), and use_merged_upsample().

J_COLOR_SPACE out_color_space

Definition at line 457 of file jpeglib.h. Referenced by default_decompress_parms(), jinit_color_deconverter(), jpeg_calc_output_dimensions(), and use_merged_upsample().

int output_components

Definition at line 489 of file jpeglib.h. Referenced by jinit_color_deconverter(), jpeg_calc_output_dimensions(), LoadJPG(), and LoadJPGBuff().

double output_gamma

Definition at line 461 of file jpeglib.h. Referenced by default_decompress_parms().

JDIMENSION output_height

Definition at line 487 of file jpeglib.h. Referenced by jinit_d_post_controller(), jpeg_calc_output_dimensions(), jpeg_finish_decompress(), jpeg_read_raw_data(), jpeg_read_scanlines(), LoadJPG(), LoadJPGBuff(), output_pass_setup(), and start_pass_upsample().

JDIMENSION output_iMCU_row

Definition at line 529 of file jpeglib.h. Referenced by decompress_onepass(), and start_output_pass().

int output_scan_number

Definition at line 528 of file jpeglib.h. Referenced by consume_markers(), and jpeg_start_decompress().

JDIMENSION output_scanline

Definition at line 516 of file jpeglib.h. Referenced by jpeg_finish_decompress(), jpeg_read_raw_data(), jpeg_read_scanlines(), LoadJPG(), LoadJPGBuff(), and output_pass_setup().

JDIMENSION output_width

Definition at line 486 of file jpeglib.h. Referenced by grayscale_convert(), h2v1_upsample(), h2v2_upsample(), int_upsample(), jinit_d_post_controller(), jinit_upsampler(), jpeg_calc_output_dimensions(), LoadJPG(), LoadJPGBuff(), master_selection(), null_convert(), ycc_rgb_convert(), and ycck_cmyk_convert().

struct jpeg_d_post_controller* post

Definition at line 641 of file jpeglib.h.

struct jpeg_d_post_controller* post

Definition at line 609 of file jpeglib.h. Referenced by jinit_d_post_controller(), post_process_1pass(), prepare_for_output_pass(), process_data_context_main(), process_data_simple_main(), and start_pass_dpost().

boolean progressive_mode

Definition at line 565 of file jpeglib.h. Referenced by get_sof(), initial_setup(), jinit_d_coef_controller(), master_selection(), and transdecode_master_selection().

JQUANT_TBL* quant_tbl_ptrs[NUM_QUANT_TBLS]

Definition at line 549 of file jpeglib.h.

JQUANT_TBL* quant_tbl_ptrs[NUM_QUANT_TBLS]

Definition at line 517 of file jpeglib.h. Referenced by get_dqt(), jpeg_copy_critical_parameters(), and latch_quant_tables().

boolean quantize_colors

Definition at line 470 of file jpeglib.h. Referenced by default_decompress_parms(), finish_output_pass(), jinit_color_deconverter(), jinit_d_post_controller(), jpeg_calc_output_dimensions(), master_selection(), prepare_for_output_pass(), and start_pass_dpost().

boolean raw_data_out

Definition at line 464 of file jpeglib.h. Referenced by default_decompress_parms(), master_selection(), output_pass_setup(), and prepare_for_output_pass().

int rec_outbuf_height

Definition at line 493 of file jpeglib.h. Referenced by jpeg_calc_output_dimensions().

unsigned int restart_interval

Definition at line 572 of file jpeglib.h. Referenced by decode_mcu(), get_dri(), get_soi(), process_restart(), and start_pass_huff_decoder().

JSAMPLE* sample_range_limit

Definition at line 608 of file jpeglib.h.

JSAMPLE* sample_range_limit

Definition at line 576 of file jpeglib.h. Referenced by prepare_range_limit_table(), ycc_rgb_convert(), and ycck_cmyk_convert().

boolean saw_Adobe_marker

Definition at line 582 of file jpeglib.h. Referenced by default_decompress_parms(), get_app14(), and get_soi().

boolean saw_JFIF_marker

Definition at line 577 of file jpeglib.h. Referenced by default_decompress_parms(), get_app0(), and get_soi().

unsigned int scale_denom

Definition at line 459 of file jpeglib.h. Referenced by default_decompress_parms(), and jpeg_calc_output_dimensions().

unsigned int scale_num

Definition at line 459 of file jpeglib.h. Referenced by default_decompress_parms(), and jpeg_calc_output_dimensions().

int Se

Definition at line 627 of file jpeglib.h. Referenced by get_sos(), and start_pass_huff_decoder().

struct jpeg_source_mgr* src

Definition at line 442 of file jpeglib.h.

struct jpeg_source_mgr* src

Definition at line 410 of file jpeglib.h. Referenced by fill_input_buffer(), get_app0(), get_app14(), init_source(), jpeg_consume_input(), jpeg_fill_bit_buffer(), jpeg_finish_decompress(), jpeg_stdio_src(), read_restart_marker(), skip_input_data(), and skip_variable().

int Ss

Definition at line 627 of file jpeglib.h. Referenced by get_sos(), and start_pass_huff_decoder().

JDIMENSION total_iMCU_rows

Definition at line 599 of file jpeglib.h. Referenced by decompress_onepass(), initial_setup(), jpeg_read_coefficients(), jpeg_start_decompress(), master_selection(), process_data_context_main(), start_iMCU_row(), and transdecode_master_selection().

boolean two_pass_quantize

Definition at line 473 of file jpeglib.h. Referenced by default_decompress_parms(), master_selection(), and prepare_for_output_pass().

int unread_marker

Definition at line 633 of file jpeglib.h. Referenced by first_marker(), get_sof(), jpeg_resync_to_restart(), next_marker(), read_markers(), read_restart_marker(), reset_marker_reader(), and skip_variable().

struct jpeg_upsampler* upsample

Definition at line 646 of file jpeglib.h.

struct jpeg_upsampler* upsample

Definition at line 614 of file jpeglib.h. Referenced by int_upsample(), jinit_d_main_controller(), jinit_upsampler(), post_process_1pass(), prepare_for_output_pass(), sep_upsample(), start_pass_dpost(), start_pass_main(), and start_pass_upsample().

UINT16 X_density

Definition at line 580 of file jpeglib.h. Referenced by get_app0(), and get_soi().

UINT16 Y_density

Definition at line 581 of file jpeglib.h. Referenced by get_app0(), and get_soi().

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The documentation for this struct was generated from the following files:

• code/jpeg-6/jpeglib.h
• libs/jpeglib.h

---