dct2d.h

用于声音图像的FFC变换源码

// DCT2D.h: interface for the CDCT2D class.
//
//////////////////////////////////////////////////////////////////////

#if !defined(AFX_DCT2D_H__F2A734EE_CDC0_4FEA_8A3D_4012267A2652__INCLUDED_)
#define AFX_DCT2D_H__F2A734EE_CDC0_4FEA_8A3D_4012267A2652__INCLUDED_

#if _MSC_VER > 1000
#pragma once
#endif // _MSC_VER > 1000

class CDCT2D  
{
private:
	unsigned int nX, nY;
	double** pInput;
	void DCT2D(int reverse);

public:
	CDCT2D(unsigned int x = 2, unsigned int y = 2);
	~CDCT2D();

	double GetInputAt(unsigned int x, unsigned int y);
	bool SetInputAt(unsigned int x, unsigned int y, double real = 0, double imag = 0);

	void ForwardTransform();
	void ReverseTransform();

};

#endif // !defined(AFX_DCT2D_H__F2A734EE_CDC0_4FEA_8A3D_4012267A2652__INCLUDED_)