D:/Lukas Daten/Programmierungen/C++/HLC/Sonstige/Software/SoftPixelEngine/sources/Plugins/jpeglib/jfdctfst.c File Reference

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

Defines
#define	JPEG_INTERNALS
#define	CONST_BITS   8
#define	FIX_0_382683433   FIX(0.382683433)
#define	FIX_0_541196100   FIX(0.541196100)
#define	FIX_0_707106781   FIX(0.707106781)
#define	FIX_1_306562965   FIX(1.306562965)
#define	DESCALE(x, n)   RIGHT_SHIFT(x, n)
#define	MULTIPLY(var, const)   ((DCTELEM) DESCALE((var) * (const), CONST_BITS))
Functions
	jpeg_fdct_ifast (DCTELEM *data, JSAMPARRAY sample_data, JDIMENSION start_col)

---

Define Documentation

#define CONST_BITS   8

#define DESCALE	(		x,
			n
	)			RIGHT_SHIFT(x, n)

#define FIX_0_382683433   FIX(0.382683433)

#define FIX_0_541196100   FIX(0.541196100)

#define FIX_0_707106781   FIX(0.707106781)

#define FIX_1_306562965   FIX(1.306562965)

#define JPEG_INTERNALS

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

---

Function Documentation

jpeg_fdct_ifast	(	DCTELEM *	data,
		JSAMPARRAY	sample_data,
		JDIMENSION	start_col
	)