VC++ 实现录、放音并保存为wav文件程序

//Download by http://www.NewXing.com // audio2Dlg.cpp : implementation file // #include "stdafx.h" #include "audio2.h" #include "audio2Dlg.h" #ifdef _DEBUG #define new DEBUG_NEW #undef THIS_FILE static char THIS_FILE[] = __FILE__; #endif class CAboutDlg : public CDialog { public: CAboutDlg(); // Dialog Data //{{AFX_DATA(CAboutDlg) enum { IDD = IDD_ABOUTBOX }; //}}AFX_DATA // ClassWizard generated virtual function overrides //{{AFX_VIRTUAL(CAboutDlg) protected: virtual void DoDataExchange(CDataExchange* pDX); // DDX/DDV support //}}AFX_VIRTUAL // Implementation protected: //{{AFX_MSG(CAboutDlg) //}}AFX_MSG DECLARE_MESSAGE_MAP() }; CAboutDlg::CAboutDlg() : CDialog(CAboutDlg::IDD) { //{{AFX_DATA_INIT(CAboutDlg) //}}AFX_DATA_INIT } void CAboutDlg::DoDataExchange(CDataExchange* pDX) { CDialog::DoDataExchange(pDX); //{{AFX_DATA_MAP(CAboutDlg) //}}AFX_DATA_MAP } BEGIN_MESSAGE_MAP(CAboutDlg, CDialog) //{{AFX_MSG_MAP(CAboutDlg) // No message handlers //}}AFX_MSG_MAP END_MESSAGE_MAP() ///////////////////////////////////////////////////////////////////////////// // CAudio2Dlg dialog CAudio2Dlg::CAudio2Dlg(CWnd* pParent /*=NULL*/) : CDialog(CAudio2Dlg::IDD, pParent) { //{{AFX_DATA_INIT(CAudio2Dlg) // NOTE: the ClassWizard will add member initialization here //}}AFX_DATA_INIT // Note that LoadIcon does not require a subsequent DestroyIcon in Win32 m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME); bEnding=FALSE; dwDataLength=0; } void CAudio2Dlg::DoDataExchange(CDataExchange* pDX) { CDialog::DoDataExchange(pDX); //{{AFX_DATA_MAP(CAudio2Dlg) // NOTE: the ClassWizard will add DDX and DDV calls here //}}AFX_DATA_MAP } BEGIN_MESSAGE_MAP(CAudio2Dlg, CDialog) //{{AFX_MSG_MAP(CAudio2Dlg) ON_WM_SYSCOMMAND() ON_WM_PAINT() ON_WM_QUERYDRAGICON() ON_MESSAGE(MM_WIM_OPEN,OnMM_WIM_OPEN) ON_MESSAGE(MM_WIM_DATA,OnMM_WIM_DATA) ON_MESSAGE(MM_WIM_CLOSE,OnMM_WIM_CLOSE) ON_MESSAGE(MM_WOM_OPEN,OnMM_WOM_OPEN) ON_MESSAGE(MM_WOM_DONE,OnMM_WOM_DONE) ON_MESSAGE(MM_WOM_CLOSE,OnMM_WOM_CLOSE) ON_BN_CLICKED(IDC_REC_START, OnRecStart) ON_BN_CLICKED(IDC_REC_STOP, OnRecStop) ON_BN_CLICKED(IDC_PLAY_START, OnPlayStart) //}}AFX_MSG_MAP END_MESSAGE_MAP() ///////////////////////////////////////////////////////////////////////////// // CAudio2Dlg message handlers BOOL CAudio2Dlg::OnInitDialog() { CDialog::OnInitDialog(); // Add "About..." menu item to system menu. // IDM_ABOUTBOX must be in the system command range. ASSERT((IDM_ABOUTBOX & 0xFFF0) == IDM_ABOUTBOX); ASSERT(IDM_ABOUTBOX < 0xF000); CMenu* pSysMenu = GetSystemMenu(FALSE); if (pSysMenu != NULL) { CString strAboutMenu; strAboutMenu.LoadString(IDS_ABOUTBOX); if (!strAboutMenu.IsEmpty()) { pSysMenu->AppendMenu(MF_SEPARATOR); pSysMenu->AppendMenu(MF_STRING, IDM_ABOUTBOX, strAboutMenu); } } // Set the icon for this dialog. The framework does this automatically // when the application's main window is not a dialog SetIcon(m_hIcon, TRUE); // Set big icon SetIcon(m_hIcon, FALSE); // Set small icon // TODO: Add extra initialization here //allocate memory for wave header pWaveHdr1=reinterpret_cast<PWAVEHDR>(malloc(sizeof(WAVEHDR))); pWaveHdr2=reinterpret_cast<PWAVEHDR>(malloc(sizeof(WAVEHDR))); //allocate memory for save buffer pSaveBuffer = reinterpret_cast<PBYTE>(malloc(1)); return TRUE; // return TRUE unless you set the focus to a control } void CAudio2Dlg::OnSysCommand(UINT nID, LPARAM lParam) { if ((nID & 0xFFF0) == IDM_ABOUTBOX) { CAboutDlg dlgAbout; dlgAbout.DoModal(); } else { CDialog::OnSysCommand(nID, lParam); } } // If you add a minimize button to your dialog, you will need the code below // to draw the icon. For MFC applications using the document/view model, // this is automatically done for you by the framework. void CAudio2Dlg::OnPaint() { if (IsIconic()) { CPaintDC dc(this); // device context for painting SendMessage(WM_ICONERASEBKGND, (WPARAM) dc.GetSafeHdc(), 0); // Center icon in client rectangle int cxIcon = GetSystemMetrics(SM_CXICON); int cyIcon = GetSystemMetrics(SM_CYICON); CRect rect; GetClientRect(&rect); int x = (rect.Width() - cxIcon + 1) / 2; int y = (rect.Height() - cyIcon + 1) / 2; // Draw the icon dc.DrawIcon(x, y, m_hIcon); } else { CDialog::OnPaint(); } } // The system calls this to obtain the cursor to display while the user drags // the minimized window. HCURSOR CAudio2Dlg::OnQueryDragIcon() { return (HCURSOR) m_hIcon; } void CAudio2Dlg::OnRecStart() {//allocate buffer memory pBuffer1=(PBYTE)malloc(INP_BUFFER_SIZE); pBuffer2=(PBYTE)malloc(INP_BUFFER_SIZE); if (!pBuffer1 || !pBuffer2) { if (pBuffer1) free(pBuffer1); if (pBuffer2) free(pBuffer2); MessageBeep(MB_ICONEXCLAMATION); AfxMessageBox("Memory erro!"); return ; } //open waveform audo for input waveform.wFormatTag=WAVE_FORMAT_PCM; waveform.nChannels=1; waveform.nSamplesPerSec=11025; waveform.nAvgBytesPerSec=11025; waveform.nBlockAlign=1; waveform.wBitsPerSample=8; waveform.cbSize=0; if (waveInOpen(&hWaveIn,WAVE_MAPPER,&waveform,(DWORD)this->m_hWnd,NULL,CALLBACK_WINDOW)) { free(pBuffer1); free(pBuffer2); MessageBeep(MB_ICONEXCLAMATION); AfxMessageBox("Audio can not be open!"); } pWaveHdr1->lpData=(LPTSTR)pBuffer1; pWaveHdr1->dwBufferLength=INP_BUFFER_SIZE; pWaveHdr1->dwBytesRecorded=0; pWaveHdr1->dwUser=0; pWaveHdr1->dwFlags=0; pWaveHdr1->dwLoops=1; pWaveHdr1->lpNext=NULL; pWaveHdr1->reserved=0; waveInPrepareHeader(hWaveIn,pWaveHdr1,sizeof(WAVEHDR)); pWaveHdr2->lpData=(LPTSTR)pBuffer2; pWaveHdr2->dwBufferLength=INP_BUFFER_SIZE; pWaveHdr2->dwBytesRecorded=0; pWaveHdr2->dwUser=0; pWaveHdr2->dwFlags=0; pWaveHdr2->dwLoops=1; pWaveHdr2->lpNext=NULL; pWaveHdr2->reserved=0; waveInPrepareHeader(hWaveIn,pWaveHdr2,sizeof(WAVEHDR)); ////////////////////////////////////////////////////////////////////////// pSaveBuffer = (PBYTE)realloc (pSaveBuffer, 1) ; // Add the buffers waveInAddBuffer (hWaveIn, pWaveHdr1, sizeof (WAVEHDR)) ; waveInAddBuffer (hWaveIn, pWaveHdr2, sizeof (WAVEHDR)) ; // Begin sampling bEnding=FALSE; dwDataLength = 0 ; waveInStart (hWaveIn) ; } void CAudio2Dlg::OnRecStop() {bEnding=TRUE; waveInReset(hWaveIn); } void CAudio2Dlg::OnMM_WIM_OPEN(UINT wParam, LONG lParam) { // TODO: Add your message handler code here and/or call default ((CWnd *)(this->GetDlgItem(IDC_REC_START)))->EnableWindow(FALSE); ((CWnd *)(this->GetDlgItem(IDC_REC_STOP)))->EnableWindow(TRUE); ((CWnd *)(this->GetDlgItem(IDC_PLAY_START)))->EnableWindow(FALSE); SetTimer(1,100,NULL); } void CAudio2Dlg::OnMM_WIM_DATA(UINT wParam, LONG lParam) { // TODO: Add your message handler code here and/or call default // Reallocate save buffer memory ////////////////////////////////////////////////////////////////////////// pNewBuffer = (PBYTE)realloc (pSaveBuffer, dwDataLength + ((PWAVEHDR) lParam)->dwBytesRecorded) ; if (pNewBuffer == NULL) { waveInClose (hWaveIn) ; MessageBeep (MB_ICONEXCLAMATION) ; AfxMessageBox("erro memory"); return ; } pSaveBuffer = pNewBuffer ; ////////////////////////////////////////////////////////////////////////// CopyMemory (pSaveBuffer + dwDataLength, ((PWAVEHDR) lParam)->lpData, ((PWAVEHDR) lParam)->dwBytesRecorded) ; dwDataLength += ((PWAVEHDR) lParam)->dwBytesRecorded ; if (bEnding) { waveInClose (hWaveIn) ; return ; } ////////////////////////////////////////////////////////////////////////// CFile m_file; CFileException fileException; CString m_csFileName= "E:\\audio.wav"; m_file.Open(m_csFileName,CFile::modeCreate|CFile::modeReadWrite, &fil