jidctflt.c File Reference

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

Go to the source code of this file.

Defines
#define	JPEG_INTERNALS
#define	DEQUANTIZE(coef, quantval)   (((FAST_FLOAT) (coef)) * (quantval))
Functions
	jpeg_idct_float (j_decompress_ptr cinfo, jpeg_component_info *compptr, JCOEFPTR coef_block, JSAMPARRAY output_buf, JDIMENSION output_col)

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Define Documentation

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

Definition at line 61 of file jidctflt.c.

Referenced by jpeg_idct_10x10(), jpeg_idct_10x5(), jpeg_idct_11x11(), jpeg_idct_12x12(), jpeg_idct_12x6(), jpeg_idct_13x13(), jpeg_idct_14x14(), jpeg_idct_14x7(), jpeg_idct_15x15(), jpeg_idct_16x16(), jpeg_idct_16x8(), jpeg_idct_1x1(), jpeg_idct_1x2(), jpeg_idct_2x1(), jpeg_idct_2x2(), jpeg_idct_2x4(), jpeg_idct_3x3(), jpeg_idct_3x6(), jpeg_idct_4x2(), jpeg_idct_4x4(), jpeg_idct_4x8(), jpeg_idct_5x10(), jpeg_idct_5x5(), jpeg_idct_6x12(), jpeg_idct_6x3(), jpeg_idct_6x6(), jpeg_idct_7x14(), jpeg_idct_7x7(), jpeg_idct_8x16(), jpeg_idct_8x4(), jpeg_idct_9x9(), jpeg_idct_float(), jpeg_idct_ifast(), and jpeg_idct_islow().

#define JPEG_INTERNALS

Definition at line 40 of file jidctflt.c.

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Function Documentation

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

Definition at line 69 of file jidctflt.c.

References CENTERJSAMPLE, DCTSIZE, DCTSIZE2, DEQUANTIZE, for(), int, and RANGE_MASK.

Referenced by start_pass().

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