jdinput.c File Reference

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

Include dependency graph for jdinput.c:

Go to the source code of this file.

Classes
struct	my_input_controller
Defines
#define	JPEG_INTERNALS
Typedefs
typedef my_input_controller *	my_inputctl_ptr
Functions
	METHODDEF (int)
	per_scan_setup (j_decompress_ptr cinfo)
	latch_quant_tables (j_decompress_ptr cinfo)
	start_input_pass (j_decompress_ptr cinfo)
	finish_input_pass (j_decompress_ptr cinfo)
	consume_markers (j_decompress_ptr cinfo)
	reset_input_controller (j_decompress_ptr cinfo)
	jinit_input_controller (j_decompress_ptr cinfo)

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Define Documentation

#define JPEG_INTERNALS

Definition at line 14 of file jdinput.c.

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Typedef Documentation

typedef my_input_controller* my_inputctl_ptr

Definition at line 27 of file jdinput.c.

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Function Documentation

consume_markers

(

j_decompress_ptr

cinfo

)

Definition at line 288 of file jdinput.c.

References jpeg_input_controller::eoi_reached, ERREXIT, FALSE, jpeg_input_controller::has_multiple_scans, my_input_controller::inheaders, initial_setup(), JPEG_REACHED_EOI, JPEG_REACHED_SOS, JPEG_SUSPENDED, my_input_controller::pub, start_input_pass(), TRUE, and val.

Referenced by finish_input_pass(), jinit_input_controller(), and reset_input_controller().

finish_input_pass

(

j_decompress_ptr

cinfo

)

Definition at line 271 of file jdinput.c.

References consume_markers().

Referenced by jinit_input_controller().

jinit_input_controller

(

j_decompress_ptr

cinfo

)

Definition at line 361 of file jdinput.c.

References consume_markers(), jpeg_input_controller::eoi_reached, FALSE, finish_input_pass(), jpeg_input_controller::has_multiple_scans, my_input_controller::inheaders, JPOOL_PERMANENT, my_input_controller::pub, reset_input_controller(), SIZEOF, start_input_pass(), and TRUE.

Referenced by jpeg_CreateDecompress().

latch_quant_tables

(

j_decompress_ptr

cinfo

)

Definition at line 220 of file jdinput.c.

References compptr, ERREXIT1, JPOOL_IMAGE, MEMCOPY, NULL, NUM_QUANT_TBLS, jpeg_component_info::quant_table, jpeg_component_info::quant_tbl_no, and SIZEOF.

Referenced by start_input_pass().

METHODDEF

(

int

)

Definition at line 31 of file jdinput.c.

References BITS_IN_JSAMPLE, jpeg_component_info::component_needed, compptr, jpeg_component_info::DCT_scaled_size, DCTSIZE, jpeg_component_info::downsampled_height, jpeg_component_info::downsampled_width, ERREXIT, ERREXIT1, ERREXIT2, FALSE, jpeg_component_info::h_samp_factor, jpeg_component_info::height_in_blocks, jdiv_round_up(), JPEG_MAX_DIMENSION, MAX, MAX_COMPONENTS, MAX_SAMP_FACTOR, NULL, jpeg_component_info::quant_table, TRUE, jpeg_component_info::v_samp_factor, and jpeg_component_info::width_in_blocks.

per_scan_setup

(

j_decompress_ptr

cinfo

)

Definition at line 121 of file jdinput.c.

References compptr, D_MAX_BLOCKS_IN_MCU, jpeg_component_info::DCT_scaled_size, DCTSIZE, ERREXIT, ERREXIT2, jpeg_component_info::h_samp_factor, jpeg_component_info::height_in_blocks, int, jdiv_round_up(), jpeg_component_info::last_col_width, jpeg_component_info::last_row_height, MAX_COMPS_IN_SCAN, jpeg_component_info::MCU_blocks, jpeg_component_info::MCU_height, jpeg_component_info::MCU_sample_width, jpeg_component_info::MCU_width, jpeg_component_info::v_samp_factor, and jpeg_component_info::width_in_blocks.

reset_input_controller

(

j_decompress_ptr

cinfo

)

Definition at line 339 of file jdinput.c.

References consume_markers(), jpeg_input_controller::eoi_reached, FALSE, jpeg_input_controller::has_multiple_scans, my_input_controller::inheaders, NULL, my_input_controller::pub, and TRUE.

Referenced by jinit_input_controller().

start_input_pass

(

j_decompress_ptr

cinfo

)

Definition at line 254 of file jdinput.c.

References latch_quant_tables(), and per_scan_setup().