jdinput.cpp File Reference

#include "jinclude.h"
#include "mrpt_jpeglib.h"

Go to the source code of this file.

Classes
struct	my_input_controller

Macros
#define	JPEG_INTERNALS

Typedefs
typedef my_input_controller *	my_inputctl_ptr

Functions
	METHODDEF (int) consume_markers JPP((j_decompress_ptr cinfo))
	initial_setup (j_decompress_ptr cinfo)
	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)

Macro Definition Documentation

JPEG_INTERNALS

#define JPEG_INTERNALS

Definition at line 10 of file jdinput.cpp.

Typedef Documentation

my_inputctl_ptr

typedef my_input_controller* my_inputctl_ptr

Definition at line 23 of file jdinput.cpp.

Function Documentation

consume_markers()

consume_markers

(

j_decompress_ptr

cinfo

)

Definition at line 284 of file jdinput.cpp.

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().

Here is the call graph for this function:

Here is the caller graph for this function:

finish_input_pass()

finish_input_pass

(

j_decompress_ptr

cinfo

)

Definition at line 268 of file jdinput.cpp.

References consume_markers().

Referenced by jinit_input_controller().

Here is the call graph for this function:

Here is the caller graph for this function:

initial_setup()

initial_setup

(

j_decompress_ptr

cinfo

)

Definition at line 33 of file jdinput.cpp.

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, jpeg_component_info::quant_table, TRUE, jpeg_component_info::v_samp_factor, and jpeg_component_info::width_in_blocks.

Referenced by consume_markers().

Here is the call graph for this function:

Here is the caller graph for this function:

jinit_input_controller()

jinit_input_controller

(

j_decompress_ptr

cinfo

)

Definition at line 364 of file jdinput.cpp.

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().

Here is the call graph for this function:

Here is the caller graph for this function:

latch_quant_tables()

latch_quant_tables

(

j_decompress_ptr

cinfo

)

Definition at line 220 of file jdinput.cpp.

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

Referenced by start_input_pass().

Here is the caller graph for this function:

METHODDEF()

METHODDEF

(

int

)

per_scan_setup()

per_scan_setup

(

j_decompress_ptr

cinfo

)

Definition at line 118 of file jdinput.cpp.

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, 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.

Referenced by start_input_pass().

Here is the call graph for this function:

Here is the caller graph for this function:

reset_input_controller()

reset_input_controller

(

j_decompress_ptr

cinfo

)

Definition at line 342 of file jdinput.cpp.

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

Referenced by jinit_input_controller().

Here is the call graph for this function:

Here is the caller graph for this function:

start_input_pass()

start_input_pass

(

j_decompress_ptr

cinfo

)

Definition at line 252 of file jdinput.cpp.

References latch_quant_tables(), and per_scan_setup().

Referenced by consume_markers(), and jinit_input_controller().

Here is the call graph for this function:

Here is the caller graph for this function: