商业编程-源码-实时语音通信的实现.zip

// RecTestDlg.cpp : implementation file // #include "stdafx.h" #include "RecTest.h" #include "RecTestDlg.h" #ifdef _DEBUG #define new DEBUG_NEW #undef THIS_FILE static char THIS_FILE[] = __FILE__; #endif ///////////////////////////////////////////////////////////////////////////// // CAboutDlg dialog used for App About 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() ///////////////////////////////////////////////////////////////////////////// // CRecTestDlg dialog CRecTestDlg::CRecTestDlg(CWnd* pParent /*=NULL*/) : CDialog(CRecTestDlg::IDD, pParent) { //{{AFX_DATA_INIT(CRecTestDlg) //}}AFX_DATA_INIT // Note that LoadIcon does not require a subsequent DestroyIcon in Win32 m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME); } void CRecTestDlg::DoDataExchange(CDataExchange* pDX) { CDialog::DoDataExchange(pDX); //{{AFX_DATA_MAP(CRecTestDlg) //}}AFX_DATA_MAP } BEGIN_MESSAGE_MAP(CRecTestDlg, CDialog) //{{AFX_MSG_MAP(CRecTestDlg) ON_WM_SYSCOMMAND() ON_WM_PAINT() ON_WM_QUERYDRAGICON() ON_BN_CLICKED(IDC_BEGIN, OnBegin) 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) //}}AFX_MSG_MAP END_MESSAGE_MAP() ///////////////////////////////////////////////////////////////////////////// // CRecTestDlg message handlers BOOL CRecTestDlg::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))); pWaveHdrOut=reinterpret_cast<PWAVEHDR>(malloc(sizeof(WAVEHDR))); //***reinterpret_cast **** operation is used to convert any type of //pointer to other type //allocate memory for save buffer for(int i=0;i<InBlocks;i++) { m_AudioDataIn[i].dwLength = 0; m_AudioDataIn[i].lpdata = reinterpret_cast<PBYTE>(malloc(1)); } for(i =0;i<OutBlocks;i++) { m_AudioDataOut[i].dwLength = 0; m_AudioDataOut[i].lpdata = reinterpret_cast<PBYTE>(malloc(1)); } nAudioIn = 0; nAudioOut = 0; nSend = 0; nReceive = 0; return TRUE; // return TRUE unless you set the focus to a control } void CRecTestDlg::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 CRecTestDlg::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 CRecTestDlg::OnQueryDragIcon() { return (HCURSOR) m_hIcon; } UINT Audio_Listen_Thread(LPVOID lParam) { CRecTestDlg *pdlg = (CRecTestDlg*)lParam; CSocket m_Server; DWORD length; if(!m_Server.Create(4002)) AfxMessageBox("Listen Socket create error"+pdlg->GetError(GetLastError()));//不可单个运行，重复产生同一端口显然是错误的 if(!m_Server.Listen()) AfxMessageBox("m_server.Listen ERROR"+pdlg->GetError(GetLastError())); CSocket recSo; if(! m_Server.Accept(recSo)) AfxMessageBox("m_server.Accept() error"+pdlg->GetError(GetLastError())); m_Server.Close(); int sendcount=0;//just for test int ret ; while(1) { //开始循环接收声音文件，首先接收文件长度 ret = recSo.Receive(&length,sizeof(DWORD)); if(ret== SOCKET_ERROR ) AfxMessageBox("服务器端接收声音文件长度出错，原因： "+pdlg->GetError(GetLastError())); if(ret!=sizeof(DWORD)) { AfxMessageBox("接收文件头错误，将关闭该线程"); recSo.Close(); return -1; }//接下来开辟length长的内存空间 pdlg->m_AudioDataOut[pdlg->nReceive].lpdata =(PBYTE)realloc (0,length); if (pdlg->m_AudioDataOut[pdlg->nReceive].lpdata == NULL) { MessageBeep (MB_ICONEXCLAMATION) ; AfxMessageBox("erro memory_ReceiveAudio"); pdlg->OnOK(); recSo.Close(); return -1; } else//内存申请成功，可以进行循环检测接受 { DWORD dwReceived = 0,dwret; while(length>dwReceived) { dwret = recSo.Receive((pdlg->m_AudioDataOut[pdlg->nReceive].lpdata+dwReceived),(length-dwReceived)); dwReceived +=dwret; if(dwReceived ==length) { pdlg->m_AudioDataOut[pdlg->nReceive].dwLength = length; break; } } }//本轮声音文件接收完毕 pdlg->nReceive=(pdlg->nReceive+1)%OutBlocks; } recSo.Close(); pdlg->OnOK(); return 0; } UINT Audio_Send_Thread(LPVOID lParam)//专职的声音文件发送线程 { // 端口也是专用的 CRecTestDlg *pdlg = (CRecTestDlg*)lParam; CSocket m_Client; m_Client.Create(); if( m_Client.Connect("127.0.0.1",4002)) { DWORD ret, length; int count=0; while(1)//循环使用指针nSend { length =pdlg->m_AudioDataIn[pdlg->nSend].dwLength; if(length !=0) { //首先发送块的长度 if(((ret = m_Client.Send(&length,sizeof(DWORD)))!=sizeof(DWORD))||(ret==SOCKET_ERROR)) { AfxMessageBox("声音文件头传输错误!"+pdlg->GetError(GetLastError())); pdlg->OnOK(); break; }//其次发送块的内容 ,循环检测发送 DWORD dwSent = 0;//已经发送掉的字节数 while(1)//==============================发送声音文件开始 { ret = m_Client.Send((pdlg->m_AudioDataIn[pdlg->nSend].lpdata+dwSent),(length-dwSent)); if(ret==SOCKET_ERROR)//检错 { AfxMessageBox("声音文件传输错误!"+pdlg->GetError(GetLastError())); pdlg->OnOK(); break; } else //发送未发送完的 { dwSent += ret; if(dwSent ==length) { free(pdlg->m_AudioDataIn[pdlg->nSend].lpdata);