jcmaster.c File Reference

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

Go to the source code of this file.

Macros
#define	JPEG_INTERNALS
#define	MAX_AH_AL   10

Typedefs
typedef my_comp_master *	my_master_ptr

Enumerations
enum	c_pass_type { main_pass, huff_opt_pass, output_pass }

Functions
	initial_setup (j_compress_ptr cinfo)
	validate_script (j_compress_ptr cinfo)
	select_scan_parameters (j_compress_ptr cinfo)
	per_scan_setup (j_compress_ptr cinfo)
	prepare_for_pass (j_compress_ptr cinfo)
	pass_startup (j_compress_ptr cinfo)
	finish_pass_master (j_compress_ptr cinfo)
	jinit_c_master_control (j_compress_ptr cinfo, boolean transcode_only)

Macro Definition Documentation

JPEG_INTERNALS

#define JPEG_INTERNALS

Definition at line 14 of file jcmaster.c.

MAX_AH_AL

#define MAX_AH_AL   10

Referenced by validate_script().

Typedef Documentation

my_master_ptr

typedef my_comp_master* my_master_ptr

Definition at line 38 of file jcmaster.c.

Enumeration Type Documentation

c_pass_type

enum c_pass_type

Enumerator
main_pass
huff_opt_pass
output_pass

Definition at line 21 of file jcmaster.c.

Function Documentation

finish_pass_master()

finish_pass_master

(

j_compress_ptr

cinfo

)

Definition at line 503 of file jcmaster.c.

References GLOBAL, huff_opt_pass, main_pass, and output_pass.

Referenced by jinit_c_master_control().

initial_setup()

initial_setup

(

j_compress_ptr

cinfo

)

Definition at line 46 of file jcmaster.c.

References BITS_IN_JSAMPLE, jpeg_component_info::component_index, 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, jpeg_component_info::h_samp_factor, jpeg_component_info::height_in_blocks, jdiv_round_up(), JPEG_MAX_DIMENSION, LOCAL, long(), MAX, MAX_COMPONENTS, MAX_SAMP_FACTOR, TRUE, jpeg_component_info::v_samp_factor, and jpeg_component_info::width_in_blocks.

Referenced by consume_markers(), and jinit_c_master_control().

jinit_c_master_control()

jinit_c_master_control	(	j_compress_ptr	cinfo,
		boolean	transcode_only
	)

Definition at line 543 of file jcmaster.c.

References ERREXIT, FALSE, finish_pass_master(), huff_opt_pass, initial_setup(), JPOOL_IMAGE, main_pass, NULL, output_pass, pass_startup(), prepare_for_pass(), SIZEOF, transcode_only, TRUE, and validate_script().

Referenced by jinit_compress_master(), and transencode_master_selection().

pass_startup()

pass_startup

(

j_compress_ptr

cinfo

)

Definition at line 489 of file jcmaster.c.

References FALSE, and METHODDEF.

Referenced by jinit_c_master_control().

per_scan_setup()

per_scan_setup

(

j_compress_ptr

cinfo

)

Definition at line 308 of file jcmaster.c.

References C_MAX_BLOCKS_IN_MCU, compptr, 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, long(), 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, METHODDEF, MIN, jpeg_component_info::v_samp_factor, and jpeg_component_info::width_in_blocks.

Referenced by prepare_for_pass().

prepare_for_pass()

prepare_for_pass

(

j_compress_ptr

cinfo

)

Definition at line 401 of file jcmaster.c.

References ERREXIT, FALSE, huff_opt_pass, JBUF_CRANK_DEST, JBUF_PASS_THRU, JBUF_SAVE_AND_PASS, main_pass, METHODDEF, NULL, output_pass, per_scan_setup(), select_scan_parameters(), and TRUE.

Referenced by jinit_c_master_control().

select_scan_parameters()

select_scan_parameters

(

j_compress_ptr

cinfo

)

Definition at line 267 of file jcmaster.c.

References jpeg_scan_info::Ah, jpeg_scan_info::Al, jpeg_scan_info::component_index, jpeg_scan_info::comps_in_scan, DCTSIZE2, ERREXIT2, for(), LOCAL, MAX_COMPS_IN_SCAN, NULL, jpeg_scan_info::Se, and jpeg_scan_info::Ss.

Referenced by prepare_for_pass().

validate_script()

validate_script

(

j_compress_ptr

cinfo

)

Definition at line 130 of file jcmaster.c.

References jpeg_scan_info::Ah, jpeg_scan_info::Al, jpeg_scan_info::component_index, jpeg_scan_info::comps_in_scan, DCTSIZE2, ERREXIT, ERREXIT1, ERREXIT2, FALSE, LOCAL, MAX_AH_AL, MAX_COMPONENTS, MAX_COMPS_IN_SCAN, jpeg_scan_info::Se, jpeg_scan_info::Ss, and TRUE.

Referenced by jinit_c_master_control().