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

Include dependency graph for jidctfst.c:

Defines
#define	CONST_BITS 8
#define	DEQUANTIZE(coef, quantval) (((IFAST_MULT_TYPE) (coef)) * (quantval))
#define	DESCALE(x, n) RIGHT_SHIFT(x, n)
#define	FIX_1_082392200 ((INT32) 277) /* FIX(1.082392200) */
#define	FIX_1_414213562 ((INT32) 362) /* FIX(1.414213562) */
#define	FIX_1_847759065 ((INT32) 473) /* FIX(1.847759065) */
#define	FIX_2_613125930 ((INT32) 669) /* FIX(2.613125930) */
#define	IDESCALE(x, n) ((int) IRIGHT_SHIFT(x, n))
#define	IRIGHT_SHIFT(x, shft) ((x) >> (shft))
#define	ISHIFT_TEMPS
#define	JPEG_INTERNALS
#define	MULTIPLY(var, const) ((DCTELEM) DESCALE((var) * (const), CONST_BITS))
#define	PASS1_BITS 2
Functions
	jpeg_idct_ifast (j_decompress_ptr cinfo, jpeg_component_info *compptr, JCOEFPTR coef_block, JSAMPARRAY output_buf, JDIMENSION output_col)

Define Documentation

#define CONST_BITS 8

Definition at line 77 of file jidctfst.c.

#define DEQUANTIZE	(	coef,
		quantval
	)	(((IFAST_MULT_TYPE) (coef)) * (quantval))

Definition at line 129 of file jidctfst.c.

Definition at line 111 of file jidctfst.c.

#define FIX_1_082392200 ((INT32) 277) /* FIX(1.082392200) */

Definition at line 92 of file jidctfst.c.

#define FIX_1_414213562 ((INT32) 362) /* FIX(1.414213562) */

Definition at line 93 of file jidctfst.c.

#define FIX_1_847759065 ((INT32) 473) /* FIX(1.847759065) */

Definition at line 94 of file jidctfst.c.

#define FIX_2_613125930 ((INT32) 669) /* FIX(2.613125930) */

Definition at line 95 of file jidctfst.c.

Definition at line 159 of file jidctfst.c.

Definition at line 153 of file jidctfst.c.

Definition at line 152 of file jidctfst.c.

Definition at line 35 of file jidctfst.c.

#define MULTIPLY	(	var,
		const
	)	((DCTELEM) DESCALE((var) * (const), CONST_BITS))

Definition at line 119 of file jidctfst.c.

#define PASS1_BITS 2

Definition at line 78 of file jidctfst.c.

Function Documentation

Definition at line 168 of file jidctfst.c.