jpeg_component_info Struct Reference

#include <jpeglib.h>

Public Attributes
int	component_id
int	component_index
int	h_samp_factor
int	v_samp_factor
int	quant_tbl_no
int	dc_tbl_no
int	ac_tbl_no
JDIMENSION	width_in_blocks
JDIMENSION	height_in_blocks
int	DCT_scaled_size
JDIMENSION	downsampled_width
JDIMENSION	downsampled_height
boolean	component_needed
int	MCU_width
int	MCU_height
int	MCU_blocks
int	MCU_sample_width
int	last_col_width
int	last_row_height
JQUANT_TBL *	quant_table
void *	dct_table

Detailed Description

Definition at line 116 of file jpeglib.h.

Member Data Documentation

ac_tbl_no

int jpeg_component_info::ac_tbl_no

Definition at line 130 of file jpeglib.h.

Referenced by emit_dac(), emit_sos(), encode_mcu_gather(), encode_mcu_huff(), finish_pass_gather(), finish_pass_gather_phuff(), get_sos(), start_pass_huff_decoder(), write_frame_header(), and write_scan_header().

component_id

int jpeg_component_info::component_id

Definition at line 120 of file jpeglib.h.

Referenced by emit_sof(), emit_sos(), get_sof(), get_sos(), and jpeg_copy_critical_parameters().

component_index

int jpeg_component_info::component_index

Definition at line 121 of file jpeglib.h.

Referenced by compress_data(), compress_output(), consume_data(), decompress_onepass(), get_sof(), initial_setup(), and int_upsample().

component_needed

boolean jpeg_component_info::component_needed

Definition at line 160 of file jpeglib.h.

Referenced by decompress_data(), decompress_onepass(), decompress_smooth_data(), initial_setup(), jinit_upsampler(), start_pass(), and start_pass_huff_decoder().

dc_tbl_no

int jpeg_component_info::dc_tbl_no

Definition at line 129 of file jpeglib.h.

Referenced by decode_mcu_DC_first(), emit_dac(), emit_sos(), encode_mcu_DC_first(), encode_mcu_gather(), encode_mcu_huff(), finish_pass_gather(), finish_pass_gather_phuff(), get_sos(), start_pass_huff_decoder(), write_frame_header(), and write_scan_header().

DCT_scaled_size

int jpeg_component_info::DCT_scaled_size

Definition at line 147 of file jpeglib.h.

Referenced by decompress_data(), decompress_onepass(), decompress_smooth_data(), initial_setup(), jinit_d_main_controller(), jinit_upsampler(), jpeg_calc_output_dimensions(), make_funny_pointers(), per_scan_setup(), set_bottom_pointers(), set_wraparound_pointers(), start_pass(), and start_pass_huff_decoder().

dct_table

void* jpeg_component_info::dct_table

Definition at line 178 of file jpeglib.h.

Referenced by jinit_inverse_dct(), jpeg_idct_1x1(), jpeg_idct_2x2(), jpeg_idct_4x4(), jpeg_idct_float(), jpeg_idct_ifast(), jpeg_idct_islow(), and start_pass().

downsampled_height

JDIMENSION jpeg_component_info::downsampled_height

Definition at line 155 of file jpeglib.h.

Referenced by initial_setup(), jpeg_calc_output_dimensions(), and set_bottom_pointers().

downsampled_width

JDIMENSION jpeg_component_info::downsampled_width

Definition at line 154 of file jpeglib.h.

Referenced by h2v1_fancy_upsample(), h2v2_fancy_upsample(), initial_setup(), jinit_upsampler(), and jpeg_calc_output_dimensions().

h_samp_factor

int jpeg_component_info::h_samp_factor

Definition at line 122 of file jpeglib.h.

Referenced by compress_first_pass(), create_context_buffer(), emit_sof(), get_sof(), initial_setup(), int_downsample(), jinit_c_coef_controller(), jinit_c_prep_controller(), jinit_d_coef_controller(), jinit_downsampler(), jinit_upsampler(), jpeg_calc_output_dimensions(), jpeg_copy_critical_parameters(), and per_scan_setup().

height_in_blocks

JDIMENSION jpeg_component_info::height_in_blocks

Definition at line 140 of file jpeglib.h.

Referenced by compress_first_pass(), decompress_data(), decompress_smooth_data(), initial_setup(), jinit_c_coef_controller(), jinit_c_main_controller(), jinit_d_coef_controller(), and per_scan_setup().

last_col_width

int jpeg_component_info::last_col_width

Definition at line 168 of file jpeglib.h.

Referenced by compress_data(), compress_output(), decompress_onepass(), and per_scan_setup().

last_row_height

int jpeg_component_info::last_row_height

Definition at line 169 of file jpeglib.h.

Referenced by per_scan_setup().

MCU_blocks

int jpeg_component_info::MCU_blocks

Definition at line 166 of file jpeglib.h.

Referenced by decompress_onepass(), and per_scan_setup().

MCU_height

int jpeg_component_info::MCU_height

Definition at line 165 of file jpeglib.h.

Referenced by compress_data(), compress_output(), consume_data(), decompress_onepass(), and per_scan_setup().

MCU_sample_width

int jpeg_component_info::MCU_sample_width

Definition at line 167 of file jpeglib.h.

Referenced by compress_data(), decompress_onepass(), and per_scan_setup().

MCU_width

int jpeg_component_info::MCU_width

Definition at line 164 of file jpeglib.h.

Referenced by compress_data(), compress_output(), consume_data(), decompress_onepass(), and per_scan_setup().

quant_table

JQUANT_TBL* jpeg_component_info::quant_table

Definition at line 175 of file jpeglib.h.

Referenced by decompress_smooth_data(), jpeg_copy_critical_parameters(), latch_quant_tables(), smoothing_ok(), and start_pass().

quant_tbl_no

int jpeg_component_info::quant_tbl_no

Definition at line 124 of file jpeglib.h.

Referenced by emit_sof(), forward_DCT(), forward_DCT_float(), get_sof(), jpeg_copy_critical_parameters(), latch_quant_tables(), start_pass_fdctmgr(), and write_frame_header().

v_samp_factor

int jpeg_component_info::v_samp_factor

Definition at line 123 of file jpeglib.h.

Referenced by compress_first_pass(), compress_output(), consume_data(), decompress_data(), decompress_smooth_data(), emit_sof(), fullsize_smooth_downsample(), get_sof(), h2v1_downsample(), h2v2_downsample(), h2v2_smooth_downsample(), initial_setup(), int_downsample(), jinit_c_coef_controller(), jinit_c_main_controller(), jinit_d_coef_controller(), jinit_d_main_controller(), jinit_downsampler(), jinit_upsampler(), jpeg_calc_output_dimensions(), jpeg_copy_critical_parameters(), make_funny_pointers(), per_scan_setup(), pre_process_data(), process_data_simple_main(), sep_downsample(), set_bottom_pointers(), and set_wraparound_pointers().

width_in_blocks

JDIMENSION jpeg_component_info::width_in_blocks

Definition at line 139 of file jpeglib.h.

Referenced by compress_first_pass(), create_context_buffer(), decompress_data(), decompress_smooth_data(), fullsize_downsample(), fullsize_smooth_downsample(), h2v1_downsample(), h2v2_downsample(), h2v2_smooth_downsample(), initial_setup(), int_downsample(), jinit_c_coef_controller(), jinit_c_main_controller(), jinit_c_prep_controller(), jinit_d_coef_controller(), jinit_d_main_controller(), per_scan_setup(), and pre_process_data().

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

• C:/git/VL/src/external/jpeg-6b/jpeglib.h