jcdctmgr.c File Reference

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

Go to the source code of this file.

Classes
struct	my_fdct_controller

Macros
#define	JPEG_INTERNALS
#define	CONST_BITS   14
#define	DIVIDE_BY(a, b)

Typedefs
typedef my_fdct_controller *	my_fdct_ptr

Functions
	start_pass_fdctmgr (j_compress_ptr cinfo)
	forward_DCT (j_compress_ptr cinfo, jpeg_component_info *compptr, JSAMPARRAY sample_data, JBLOCKROW coef_blocks, JDIMENSION start_row, JDIMENSION start_col, JDIMENSION num_blocks)
	forward_DCT_float (j_compress_ptr cinfo, jpeg_component_info *compptr, JSAMPARRAY sample_data, JBLOCKROW coef_blocks, JDIMENSION start_row, JDIMENSION start_col, JDIMENSION num_blocks)
	jinit_forward_dct (j_compress_ptr cinfo)

Macro Definition Documentation

CONST_BITS

#define CONST_BITS   14

DIVIDE_BY

#define DIVIDE_BY	(		a,
			b )

Value:

if (a >= b) a /= b; else a = 0

JPEG_INTERNALS

#define JPEG_INTERNALS

Typedef Documentation

my_fdct_ptr

typedef my_fdct_controller* my_fdct_ptr

Function Documentation

forward_DCT()

forward_DCT	(	j_compress_ptr	cinfo,
		jpeg_component_info *	compptr,
		JSAMPARRAY	sample_data,
		JBLOCKROW	coef_blocks,
		JDIMENSION	start_row,
		JDIMENSION	start_col,
		JDIMENSION	num_blocks )

forward_DCT_float()

forward_DCT_float	(	j_compress_ptr	cinfo,
		jpeg_component_info *	compptr,
		JSAMPARRAY	sample_data,
		JBLOCKROW	coef_blocks,
		JDIMENSION	start_row,
		JDIMENSION	start_col,
		JDIMENSION	num_blocks )

jinit_forward_dct()

jinit_forward_dct

(

j_compress_ptr

cinfo

)

start_pass_fdctmgr()

start_pass_fdctmgr

(

j_compress_ptr

cinfo

)