dct.h

来自「VC小波算法2,高效率VC小波算法2」· C头文件 代码 · 共 21 行

#ifndef CRB_DCT_H
#define CRB_DCT_H

typedef int		RAWDATA;
typedef double	DCTDATA;

#define DCTSIZE2 64
#define DCTSIZE	 8

extern void dct_init(void);
extern void idct_init(void);

extern void dct(RAWDATA * in_data, DCTDATA * out_data );
extern void idct(DCTDATA * coef_block, RAWDATA * output_buf);

/*** <> when DCTDATA is double, there are unecessary copies going
	on in the dct() routines ***/

#endif //CRB_DCT_H