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

Include dependency graph for jidctred.c:

Macros
#define	CONST_BITS 13

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

#define	FIX_0_211164243 ((INT32) 1730) /* FIX(0.211164243) */

#define	FIX_0_509795579 ((INT32) 4176) /* FIX(0.509795579) */

#define	FIX_0_601344887 ((INT32) 4926) /* FIX(0.601344887) */

#define	FIX_0_720959822 ((INT32) 5906) /* FIX(0.720959822) */

#define	FIX_0_765366865 ((INT32) 6270) /* FIX(0.765366865) */

#define	FIX_0_850430095 ((INT32) 6967) /* FIX(0.850430095) */

#define	FIX_0_899976223 ((INT32) 7373) /* FIX(0.899976223) */

#define	FIX_1_061594337 ((INT32) 8697) /* FIX(1.061594337) */

#define	FIX_1_272758580 ((INT32) 10426) /* FIX(1.272758580) */

#define	FIX_1_451774981 ((INT32) 11893) /* FIX(1.451774981) */

#define	FIX_1_847759065 ((INT32) 15137) /* FIX(1.847759065) */

#define	FIX_2_172734803 ((INT32) 17799) /* FIX(2.172734803) */

#define	FIX_2_562915447 ((INT32) 20995) /* FIX(2.562915447) */

#define	FIX_3_624509785 ((INT32) 29692) /* FIX(3.624509785) */

#define	JPEG_INTERNALS

#define	MULTIPLY(var, const) MULTIPLY16C16(var,const)

#define	PASS1_BITS 2

Macro Definition Documentation

◆ CONST_BITS

#define CONST_BITS 13

Definition at line 43 of file jidctred.c.

◆ DEQUANTIZE

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

Definition at line 109 of file jidctred.c.

◆ FIX_0_211164243

#define FIX_0_211164243 ((INT32) 1730) /* FIX(0.211164243) */

Definition at line 58 of file jidctred.c.

◆ FIX_0_509795579

#define FIX_0_509795579 ((INT32) 4176) /* FIX(0.509795579) */

Definition at line 59 of file jidctred.c.

◆ FIX_0_601344887

#define FIX_0_601344887 ((INT32) 4926) /* FIX(0.601344887) */

Definition at line 60 of file jidctred.c.

◆ FIX_0_720959822

#define FIX_0_720959822 ((INT32) 5906) /* FIX(0.720959822) */

Definition at line 61 of file jidctred.c.

◆ FIX_0_765366865

#define FIX_0_765366865 ((INT32) 6270) /* FIX(0.765366865) */

Definition at line 62 of file jidctred.c.

◆ FIX_0_850430095

#define FIX_0_850430095 ((INT32) 6967) /* FIX(0.850430095) */

Definition at line 63 of file jidctred.c.

◆ FIX_0_899976223

#define FIX_0_899976223 ((INT32) 7373) /* FIX(0.899976223) */

Definition at line 64 of file jidctred.c.

◆ FIX_1_061594337

#define FIX_1_061594337 ((INT32) 8697) /* FIX(1.061594337) */

Definition at line 65 of file jidctred.c.

◆ FIX_1_272758580

#define FIX_1_272758580 ((INT32) 10426) /* FIX(1.272758580) */

Definition at line 66 of file jidctred.c.

◆ FIX_1_451774981

#define FIX_1_451774981 ((INT32) 11893) /* FIX(1.451774981) */

Definition at line 67 of file jidctred.c.

◆ FIX_1_847759065

#define FIX_1_847759065 ((INT32) 15137) /* FIX(1.847759065) */

Definition at line 68 of file jidctred.c.

◆ FIX_2_172734803

#define FIX_2_172734803 ((INT32) 17799) /* FIX(2.172734803) */

Definition at line 69 of file jidctred.c.

◆ FIX_2_562915447

#define FIX_2_562915447 ((INT32) 20995) /* FIX(2.562915447) */

Definition at line 70 of file jidctred.c.

◆ FIX_3_624509785

#define FIX_3_624509785 ((INT32) 29692) /* FIX(3.624509785) */

Definition at line 71 of file jidctred.c.

◆ JPEG_INTERNALS

#define JPEG_INTERNALS

Definition at line 23 of file jidctred.c.

◆ MULTIPLY

#define MULTIPLY	(	var,
		const
	)	MULTIPLY16C16(var,const)

Definition at line 98 of file jidctred.c.

◆ PASS1_BITS

#define PASS1_BITS 2

Definition at line 44 of file jidctred.c.

Function Documentation

◆ jpeg_idct_1x1()

jpeg_idct_1x1	(	j_decompress_ptr	cinfo,
		jpeg_component_info *	compptr,
		JCOEFPTR	coef_block,
		JSAMPARRAY	output_buf,
		JDIMENSION	output_col
	)

Definition at line 379 of file jidctred.c.

◆ jpeg_idct_2x2()

jpeg_idct_2x2	(	j_decompress_ptr	cinfo,
		jpeg_component_info *	compptr,
		JCOEFPTR	coef_block,
		JSAMPARRAY	output_buf,
		JDIMENSION	output_col
	)

Definition at line 271 of file jidctred.c.

◆ jpeg_idct_4x4()

jpeg_idct_4x4	(	j_decompress_ptr	cinfo,
		jpeg_component_info *	compptr,
		JCOEFPTR	coef_block,
		JSAMPARRAY	output_buf,
		JDIMENSION	output_col
	)

Definition at line 118 of file jidctred.c.

Functions
	jpeg_idct_1x1 (j_decompress_ptr cinfo, jpeg_component_info *compptr, JCOEFPTR coef_block, JSAMPARRAY output_buf, JDIMENSION output_col)

	jpeg_idct_2x2 (j_decompress_ptr cinfo, jpeg_component_info *compptr, JCOEFPTR coef_block, JSAMPARRAY output_buf, JDIMENSION output_col)

	jpeg_idct_4x4 (j_decompress_ptr cinfo, jpeg_component_info *compptr, JCOEFPTR coef_block, JSAMPARRAY output_buf, JDIMENSION output_col)

Macros

Functions