jdmainct.c File Reference

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

Data Structures
struct	my_main_controller

Macros
#define	CTX_POSTPONED_ROW   2 /* feeding postponed row group */
#define	CTX_PREPARE_FOR_IMCU   0 /* need to prepare for MCU row */
#define	CTX_PROCESS_IMCU   1 /* feeding iMCU to postprocessor */
#define	JPEG_INTERNALS

Typedefs
typedef my_main_controller *	my_main_ptr

Functions
	for (ci=0, compptr=cinfo->comp_info;ci< cinfo->num_components;ci++, compptr++)
	jinit_d_main_controller (j_decompress_ptr cinfo, boolean need_full_buffer)
	METHODDEF (void)
	process_data_context_main (j_decompress_ptr cinfo, JSAMPARRAY output_buf, JDIMENSION *out_row_ctr, JDIMENSION out_rows_avail)
	process_data_crank_post (j_decompress_ptr cinfo, JSAMPARRAY output_buf, JDIMENSION *out_row_ctr, JDIMENSION out_rows_avail)
	process_data_simple_main (j_decompress_ptr cinfo, JSAMPARRAY output_buf, JDIMENSION *out_row_ctr, JDIMENSION out_rows_avail)
	start_pass_main (j_decompress_ptr cinfo, J_BUF_MODE pass_mode)

Variables
JSAMPARRAY	buf
int	ci
jpeg_component_info *	compptr
int	i
int	iMCUheight
int	M = cinfo->min_DCT_scaled_size
int	rgroup
int	rows_left
JSAMPARRAY	xbuf
JSAMPARRAY	xbuf0
JSAMPARRAY	xbuf1

#define CTX_POSTPONED_ROW   2 /* feeding postponed row group */

Referenced by process_data_context_main().

#define CTX_PREPARE_FOR_IMCU   0 /* need to prepare for MCU row */

Referenced by process_data_context_main(), and start_pass_main().

#define CTX_PROCESS_IMCU   1 /* feeding iMCU to postprocessor */

Referenced by process_data_context_main().

#define JPEG_INTERNALS

typedef my_main_controller* my_main_ptr

for	(	ci	= 0,
		compptr	= cinfo->comp_info; ci < cinfo->num_components; ci++,
		compptr++
	)

References my_main_controller::buffer, compptr, jpeg_component_info::DCT_scaled_size, for(), i, M, rgroup, jpeg_component_info::v_samp_factor, xbuf0, xbuf1, and my_main_controller::xbuffer.

jinit_d_main_controller	(	j_decompress_ptr	cinfo,
		boolean	need_full_buffer
	)

References my_main_controller::buffer, ci, compptr, jpeg_component_info::DCT_scaled_size, ERREXIT, JPOOL_IMAGE, main(), my_main_controller::pub, rgroup, SIZEOF, start_pass_main(), jpeg_component_info::v_samp_factor, and jpeg_component_info::width_in_blocks.

Referenced by master_selection().

METHODDEF

(

void

)

References ci, cinfo, compptr, jpeg_component_info::DCT_scaled_size, JPOOL_IMAGE, M, main(), rgroup, SIZEOF, jpeg_component_info::v_samp_factor, xbuf, and my_main_controller::xbuffer.

process_data_context_main	(	j_decompress_ptr	cinfo,
		JSAMPARRAY	output_buf,
		JDIMENSION *	out_row_ctr,
		JDIMENSION	out_rows_avail
	)

References my_main_controller::buffer_full, cinfo, my_main_controller::context_state, CTX_POSTPONED_ROW, CTX_PREPARE_FOR_IMCU, CTX_PROCESS_IMCU, FALSE, if(), my_main_controller::iMCU_row_ctr, my_main_controller::rowgroup_ctr, my_main_controller::rowgroups_avail, TRUE, my_main_controller::whichptr, and my_main_controller::xbuffer.

Referenced by start_pass_main().

process_data_crank_post	(	j_decompress_ptr	cinfo,
		JSAMPARRAY	output_buf,
		JDIMENSION *	out_row_ctr,
		JDIMENSION	out_rows_avail
	)

References NULL, and output_buf.

Referenced by start_pass_main().

process_data_simple_main	(	j_decompress_ptr	cinfo,
		JSAMPARRAY	output_buf,
		JDIMENSION *	out_row_ctr,
		JDIMENSION	out_rows_avail
	)

References my_main_controller::buffer, my_main_controller::buffer_full, cinfo, FALSE, if(), output_buf, my_main_controller::rowgroup_ctr, and TRUE.

start_pass_main	(	j_decompress_ptr	cinfo,
		J_BUF_MODE	pass_mode
	)

References my_main_controller::buffer_full, my_main_controller::context_state, CTX_PREPARE_FOR_IMCU, ERREXIT, FALSE, my_main_controller::iMCU_row_ctr, JBUF_CRANK_DEST, JBUF_PASS_THRU, process_data_context_main(), process_data_crank_post(), process_data_simple_main(), my_main_controller::pub, my_main_controller::rowgroup_ctr, switch(), and my_main_controller::whichptr.

Referenced by jinit_c_main_controller(), and jinit_d_main_controller().

JSAMPARRAY buf

int ci

Initial value:

{
  my_main_ptr main = (my_main_ptr) cinfo->main

jpeg_component_info* compptr

int i

int iMCUheight

int M = cinfo->min_DCT_scaled_size

Referenced by for(), and METHODDEF().

int rgroup

Referenced by for(), jinit_d_main_controller(), and METHODDEF().

int rows_left

Referenced by gfx_draw_char_hugemem(), gfx_draw_char_progmem(), and jpeg_write_scanlines().

JSAMPARRAY xbuf

Referenced by METHODDEF().

JSAMPARRAY xbuf0

Referenced by for().

JSAMPARRAY xbuf1

Referenced by for().