jcprepct.c File Reference

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

Go to the source code of this file.

Classes
struct	my_prep_controller
Defines
#define	JPEG_INTERNALS
#define	CONTEXT_ROWS_SUPPORTED
Typedefs
typedef my_prep_controller *	my_prep_ptr
Functions
	start_pass_prep (j_compress_ptr cinfo, J_BUF_MODE pass_mode)
	expand_bottom_edge (JSAMPARRAY image_data, JDIMENSION num_cols, int input_rows, int output_rows)
	pre_process_data (j_compress_ptr cinfo, JSAMPARRAY input_buf, JDIMENSION *in_row_ctr, JDIMENSION in_rows_avail, JSAMPIMAGE output_buf, JDIMENSION *out_row_group_ctr, JDIMENSION out_row_groups_avail)
	pre_process_context (j_compress_ptr cinfo, JSAMPARRAY input_buf, JDIMENSION *in_row_ctr, JDIMENSION in_rows_avail, JSAMPIMAGE output_buf, JDIMENSION *out_row_group_ctr, JDIMENSION out_row_groups_avail)
	create_context_buffer (j_compress_ptr cinfo)
	jinit_c_prep_controller (j_compress_ptr cinfo, boolean need_full_buffer)

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Define Documentation

#define CONTEXT_ROWS_SUPPORTED

Definition at line 28 of file jcprepct.c.

#define JPEG_INTERNALS

Definition at line 17 of file jcprepct.c.

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Typedef Documentation

typedef my_prep_controller* my_prep_ptr

Definition at line 70 of file jcprepct.c.

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Function Documentation

create_context_buffer

(

j_compress_ptr

cinfo

)

Definition at line 269 of file jcprepct.c.

References my_prep_controller::color_buf, compptr, jpeg_component_info::h_samp_factor, i, JPOOL_IMAGE, MEMCOPY, SIZEOF, and jpeg_component_info::width_in_blocks.

Referenced by jinit_c_prep_controller().

expand_bottom_edge	(	JSAMPARRAY	image_data,
		JDIMENSION	num_cols,
		int	input_rows,
		int	output_rows
	)

Definition at line 106 of file jcprepct.c.

References jcopy_sample_rows(), and row.

Referenced by pre_process_context(), and pre_process_data().

jinit_c_prep_controller	(	j_compress_ptr	cinfo,
		boolean	need_full_buffer
	)

Definition at line 318 of file jcprepct.c.

References my_prep_controller::color_buf, compptr, create_context_buffer(), ERREXIT, jpeg_component_info::h_samp_factor, JPOOL_IMAGE, pre_process_context(), pre_process_data(), my_prep_controller::pub, SIZEOF, start_pass_prep(), and jpeg_component_info::width_in_blocks.

Referenced by jinit_compress_master().

pre_process_context	(	j_compress_ptr	cinfo,
		JSAMPARRAY	input_buf,
		JDIMENSION *	in_row_ctr,
		JDIMENSION	in_rows_avail,
		JSAMPIMAGE	output_buf,
		JDIMENSION *	out_row_group_ctr,
		JDIMENSION	out_row_groups_avail
	)

Definition at line 197 of file jcprepct.c.

References my_prep_controller::color_buf, expand_bottom_edge(), for(), if(), int, jcopy_sample_rows(), MIN, my_prep_controller::next_buf_row, my_prep_controller::next_buf_stop, row, my_prep_controller::rows_to_go, and my_prep_controller::this_row_group.

Referenced by jinit_c_prep_controller().

pre_process_data	(	j_compress_ptr	cinfo,
		JSAMPARRAY	input_buf,
		JDIMENSION *	in_row_ctr,
		JDIMENSION	in_rows_avail,
		JSAMPIMAGE	output_buf,
		JDIMENSION *	out_row_group_ctr,
		JDIMENSION	out_row_groups_avail
	)

Definition at line 128 of file jcprepct.c.

References my_prep_controller::color_buf, compptr, jpeg_component_info::DCT_h_scaled_size, jpeg_component_info::DCT_v_scaled_size, expand_bottom_edge(), for(), int, MIN, my_prep_controller::next_buf_row, my_prep_controller::rows_to_go, jpeg_component_info::v_samp_factor, and jpeg_component_info::width_in_blocks.

Referenced by jinit_c_prep_controller().

start_pass_prep	(	j_compress_ptr	cinfo,
		J_BUF_MODE	pass_mode
	)

Definition at line 78 of file jcprepct.c.

References ERREXIT, if(), JBUF_PASS_THRU, my_prep_controller::next_buf_row, my_prep_controller::next_buf_stop, my_prep_controller::rows_to_go, and my_prep_controller::this_row_group.

Referenced by jinit_c_prep_controller().

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