wavedlg.h

自己设计的新型FFT算法

// waveDlg.h : header file
//

#if !defined(AFX_WAVEDLG_H__41CEA1A6_129B_11D6_BABF_0000E8AF6613__INCLUDED_)
#define AFX_WAVEDLG_H__41CEA1A6_129B_11D6_BABF_0000E8AF6613__INCLUDED_

#if _MSC_VER > 1000
#pragma once
#endif // _MSC_VER > 1000
#include "mmsystem.h"
#include "stdlib.h"
#define PLAYBUFNUM 200


/////////////////////////////////////////////////////////////////////////////
// CWaveDlg dialog

class CWaveDlg : public CDialog
{
// Construction
public:
	double maxNum(double x,double y);
	static void four1(double *data, int nn, int isign);
	static void realft(double *data, int n, int isign);
	void irfft(int m0, double *x);
	void cfftall(int m0, double *x, double ainv);
	int rfft_corr(int dpts, double *x, double *y, double *z);
	int rfft_dvde(int dpts, double *x, double *y, double *z);
	int rfft_mply(int dpts, double *x, double *y, double *z);
	void rfft(int m0, double *x);
	//int rfft(int dpts,double *yin,double *yout,int dir);
	CWaveDlg(CWnd* pParent = NULL);	// standard constructor
	CString fileNameIn;

	       //关于播放的变量
	int pause;
	long tot;
	char inFileName[50],outFileName[50];
	int isFirstPlay;//, isPlayEnd;  
    HWAVEOUT hWaveOut;
	int curplay,curbuf,playBufNum;
	int playedBlockNum;
	HGLOBAL hWaveHdr;
	LPWAVEHDR lpWaveHdr[PLAYBUFNUM];
	UINT wResult;
	HANDLE hFormat;
	WAVEFORMATEX pFormat;
	HANDLE hData;
	HPSTR lpData[PLAYBUFNUM];

		// 有关音频文件信息的变量
  //  long sample;
//	int channel; 



// Dialog Data
	//{{AFX_DATA(CWaveDlg)
	enum { IDD = IDD_WAVE_DIALOG };
	CString	m_inputEdit;
	CString	m_bitrateString;
	CString	m_bitRateEdit;

		// NOTE: the ClassWizard will add data members here
	//}}AFX_DATA

	// ClassWizard generated virtual function overrides
	//{{AFX_VIRTUAL(CWaveDlg)
	protected:
	virtual void DoDataExchange(CDataExchange* pDX);	// DDX/DDV support
	virtual LRESULT WindowProc(UINT message, WPARAM wParam, LPARAM lParam);
	//}}AFX_VIRTUAL

// Implementation
protected:
	HICON m_hIcon;

	// Generated message map functions
	//{{AFX_MSG(CWaveDlg)
	virtual BOOL OnInitDialog();
	afx_msg void OnSysCommand(UINT nID, LPARAM lParam);
	afx_msg void OnPaint();
	afx_msg HCURSOR OnQueryDragIcon();
	afx_msg void Onopen();
	afx_msg void Onplay();
	afx_msg void Ondenoise();
	//}}AFX_MSG
	DECLARE_MESSAGE_MAP()
};

//{{AFX_INSERT_LOCATION}}
// Microsoft Visual C++ will insert additional declarations immediately before the previous line.

#endif // !defined(AFX_WAVEDLG_H__41CEA1A6_129B_11D6_BABF_0000E8AF6613__INCLUDED_)