jdmerge.c File Reference

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

Go to the source code of this file.

Classes
struct	my_upsampler

Macros
#define	JPEG_INTERNALS
#define	SCALEBITS   16 /* speediest right-shift on some machines */
#define	ONE_HALF   ((INT32) 1 << (SCALEBITS-1))
#define	FIX(x)

Typedefs
typedef my_upsampler *	my_upsample_ptr

Functions
	build_ycc_rgb_table2 (j_decompress_ptr cinfo)
	start_pass_merged_upsample (j_decompress_ptr cinfo)
	merged_2v_upsample (j_decompress_ptr cinfo, JSAMPIMAGE input_buf, JDIMENSION *in_row_group_ctr, JDIMENSION, JSAMPARRAY output_buf, JDIMENSION *out_row_ctr, JDIMENSION out_rows_avail)
	merged_1v_upsample (j_decompress_ptr cinfo, JSAMPIMAGE input_buf, JDIMENSION *in_row_group_ctr, JDIMENSION, JSAMPARRAY output_buf, JDIMENSION *out_row_ctr, JDIMENSION)
	h2v1_merged_upsample (j_decompress_ptr cinfo, JSAMPIMAGE input_buf, JDIMENSION in_row_group_ctr, JSAMPARRAY output_buf)
	h2v2_merged_upsample (j_decompress_ptr cinfo, JSAMPIMAGE input_buf, JDIMENSION in_row_group_ctr, JSAMPARRAY output_buf)
	jinit_merged_upsampler (j_decompress_ptr cinfo)

Macro Definition Documentation

FIX

#define FIX

(

x

)

Value:

((INT32) ((x) * (1L<<SCALEBITS) + 0.5))

JPEG_INTERNALS

#define JPEG_INTERNALS

ONE_HALF

#define ONE_HALF   ((INT32) 1 << (SCALEBITS-1))

SCALEBITS

#define SCALEBITS   16 /* speediest right-shift on some machines */

Typedef Documentation

my_upsample_ptr

typedef my_upsampler* my_upsample_ptr

Function Documentation

build_ycc_rgb_table2()

build_ycc_rgb_table2

(

j_decompress_ptr

cinfo

)

h2v1_merged_upsample()

h2v1_merged_upsample	(	j_decompress_ptr	cinfo,
		JSAMPIMAGE	input_buf,
		JDIMENSION	in_row_group_ctr,
		JSAMPARRAY	output_buf )

h2v2_merged_upsample()

h2v2_merged_upsample	(	j_decompress_ptr	cinfo,
		JSAMPIMAGE	input_buf,
		JDIMENSION	in_row_group_ctr,
		JSAMPARRAY	output_buf )

jinit_merged_upsampler()

jinit_merged_upsampler

(

j_decompress_ptr

cinfo

)

merged_1v_upsample()

merged_1v_upsample	(	j_decompress_ptr	cinfo,
		JSAMPIMAGE	input_buf,
		JDIMENSION *	in_row_group_ctr,
		JDIMENSION	,
		JSAMPARRAY	output_buf,
		JDIMENSION *	out_row_ctr,
		JDIMENSION	)

merged_2v_upsample()

merged_2v_upsample	(	j_decompress_ptr	cinfo,
		JSAMPIMAGE	input_buf,
		JDIMENSION *	in_row_group_ctr,
		JDIMENSION	,
		JSAMPARRAY	output_buf,
		JDIMENSION *	out_row_ctr,
		JDIMENSION	out_rows_avail )

start_pass_merged_upsample()

start_pass_merged_upsample

(

j_decompress_ptr

cinfo

)