视频通讯demo源码

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以下为anychat视频通讯系统中的部分回调函数源码：

具体可以在

http://download.csdn.net/detail/xujinquan19/4512304

http://download.csdn.net/detail/xujinquan19/4513223

http://download.csdn.net/detail/xujinquan19/4513024

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/**
 *  视频数据回调函数
 */
 void CALLBACK VideoData_CallBack(DWORD dwUserid, LPVOID lpBuf, DWORD dwLen, BITMAPINFOHEADER bmiHeader, LPVOID lpUserValue)
{
    CBRAnyChatSDKDemoDlg*   pDemoDlg = (CBRAnyChatSDKDemoDlg*)lpUserValue;
     if(pDemoDlg)
        pDemoDlg->DrawUserVideo(dwUserid,lpBuf,dwLen,bmiHeader);
}
 /**
 *  音频数据回调函数
 */
 void CALLBACK AudioData_CallBack(DWORD dwUserid, LPVOID lpBuf, DWORD dwLen, WAVEFORMATEX waveFormatEx, LPVOID lpUserValue)
{
    CBRAnyChatSDKDemoDlg*   pDemoDlg = (CBRAnyChatSDKDemoDlg*)lpUserValue;
     if(pDemoDlg)
    {
         // do something ...
    }
}

 /**
 *  音量更改回调函数
 */
 void CALLBACK VolumeChange_CallBack(BRAC_AudioDevice device, DWORD dwCurrentVolume, LPVOID lpUserValue)
{
    CBRAnyChatSDKDemoDlg*   pDemoDlg = (CBRAnyChatSDKDemoDlg*)lpUserValue;
     if(pDemoDlg)
    {
         if(device == BRAC_AD_WAVEIN)
            pDemoDlg->OnWaveInVolumeChange(dwCurrentVolume);
         else
            pDemoDlg->OnWaveOutVolumeChange(dwCurrentVolume);
    }
}
 // 透明通道数据回调函数定义
 void CALLBACK TransBuffer_CallBack(DWORD dwUserid, LPBYTE lpBuf, DWORD dwLen, LPVOID lpUserValue)
{
    CBRAnyChatSDKDemoDlg*   pDemoDlg = (CBRAnyChatSDKDemoDlg*)lpUserValue;
     if(pDemoDlg)
    {
        CString strNotify;
         strNotify.Format("TransBuffer_CallBack:dwUserid-%d, bufSize-%d",dwUserid,dwLen);
        pDemoDlg->AppendLogString(strNotify);
    }
}

 // 透明通道数据扩展回调函数定义
 void CALLBACK TransBufferEx_CallBack(DWORD dwUserid, LPBYTE lpBuf, DWORD dwLen, DWORD wParam, DWORD lParam, DWORD dwTaskId, LPVOID lpUserValue)
{
    CBRAnyChatSDKDemoDlg*   pDemoDlg = (CBRAnyChatSDKDemoDlg*)lpUserValue;
     if(pDemoDlg)
    {
         BOOL bSuccess = FALSE;
         if(dwLen > 1000)
        {
             bSuccess = lpBuf[1000] == 'Y' ? TRUE : FALSE;
        }
        CString strNotify;
         strNotify.Format("TransBufferEx_CallBack:dwUserid-%d, bufSize-%d,verify:%s",dwUserid,dwLen,bSuccess ? "Success" : "Fail");
        pDemoDlg->AppendLogString(strNotify);
    }
}
 // 文件传输回调函数定义
 void CALLBACK TransFile_CallBack(DWORD dwUserid, LPCTSTR lpFileName, LPCTSTR lpTempFilePath, DWORD dwFileLength, DWORD wParam, DWORD lParam, DWORD dwTaskId, LPVOID lpUserValue)
{
    CBRAnyChatSDKDemoDlg*   pDemoDlg = (CBRAnyChatSDKDemoDlg*)lpUserValue;
     if(pDemoDlg)
    {
        CString strNotify;
         strNotify.Format("TransFile_CallBack:dwUserid-%d, lpFileName-%s, lpTempFilePath-%s",dwUserid,lpFileName,lpTempFilePath);
        pDemoDlg->AppendLogString(strNotify);
    }
}

 // 录像、快照任务完成回调函数定义
 void CALLBACK RecordSnapShot_CallBack(DWORD dwUserid, LPCTSTR lpFileName, DWORD dwParam, BOOL bRecordType, LPVOID lpUserValue)
{
    CBRAnyChatSDKDemoDlg*   pDemoDlg = (CBRAnyChatSDKDemoDlg*)lpUserValue;
     if(pDemoDlg)
    {
        CString strNotify;
         strNotify.Format("%s CallBack:dwUserid-%d, FilePathName-%s",bRecordType?"Record":"SnapShot",(int)dwUserid,lpFileName);
        pDemoDlg->AppendLogString(strNotify);
    }
}

 // SDK Filter 通信数据回调函数定义
 void CALLBACK SDKFilterData_CallBack(LPBYTE lpBuf, DWORD dwLen, LPVOID lpUserValue)
{
    CBRAnyChatSDKDemoDlg*   pDemoDlg = (CBRAnyChatSDKDemoDlg*)lpUserValue;
     if(pDemoDlg)
    {
        CString strNotify;
         strNotify.Format("SDK Filter CallBack:%s",lpBuf);
        pDemoDlg->AppendLogString(strNotify);
    }
}

 /**
 *  绘制用户视频
 *  数据来源于回调函数
 *  @param dwUserid 用户ID号
 *  @param lpBuf 视频数据缓冲区
 *  @param dwLen 缓冲区大小
 *  @param bmiHeader 视频缓冲区的头信息，包含了视频的大小、颜色位数等信息
 */
 void CBRAnyChatSDKDemoDlg::DrawUserVideo(DWORD dwUserid, LPVOID lpBuf, DWORD dwLen, BITMAPINFOHEADER bmiHeader)
{
     // 根据用户ID号找到合适的显示区域
     DWORD dwSite = -1;
     for(INT i=0; i
    {
         if(m_iUserID[i] == (INT)dwUserid)
        {
            dwSite = i;
             break;
        }
    }
     if(dwSite == -1)
         return;

    CRect dispRect = m_UserRect[dwSite];

     //构建Bitmap
     BITMAPINFOHEADER  *lpbmi = (BITMAPINFOHEADER*)malloc(sizeof(BITMAPINFOHEADER)+dwLen);
     ZeroMemory(lpbmi,sizeof(BITMAPINFOHEADER)+dwLen);
     memcpy((LPBYTE)lpbmi,&bmiHeader,sizeof(bmiHeader));
     memcpy(((LPBYTE)lpbmi+sizeof(BITMAPINFOHEADER)),lpBuf,dwLen);

     HDC hdc = ::GetDC(m_hWnd);
     HDC dcMem = ::CreateCompatibleDC(hdc);
     HBITMAP hBitmap = CreateDIBitmap(hdc,lpbmi,CBM_INIT,(LPBYTE)lpbmi+sizeof(BITMAPINFOHEADER),(LPBITMAPINFO)lpbmi,DIB_RGB_COLORS);
     //绘图
     HBITMAP holdbm = (HBITMAP)SelectObject(dcMem,hBitmap);
    ::SetStretchBltMode(hdc,COLORONCOLOR);
    ::StretchBlt(hdc,dispRect.left,dispRect.top,dispRect.Width(),dispRect.Height(),dcMem,0,0,bmiHeader.biWidth,bmiHeader.biHeight,SRCCOPY);

    SelectObject(dcMem,holdbm);
    ::DeleteDC(dcMem);
    ::DeleteObject(hBitmap);
    ::ReleaseDC(m_hWnd,hdc);
    free(lpbmi);
    lpbmi = NULL;
}

 BOOL CBRAnyChatSDKDemoDlg::OnInitDialog()
{
    CDialog::OnInitDialog();

     // 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);
        }
    }

     SetIcon(m_hIcon, TRUE);         // Set big icon
     SetIcon(m_hIcon, FALSE);        // Set small icon

     // 初始化每个视频显示位置信息
    GetDlgItem(IDC_STATIC_USER0)->ShowWindow(SW_HIDE);
    GetDlgItem(IDC_STATIC_USER0)->GetClientRect(m_UserRect[0]);
    GetDlgItem(IDC_STATIC_USER0)->ClientToScreen(m_UserRect[0]);
    ScreenToClient(m_UserRect[0]);

    GetDlgItem(IDC_STATIC_USER1)->ShowWindow(SW_HIDE);
    GetDlgItem(IDC_STATIC_USER1)->GetClientRect(m_UserRect[1]);
    GetDlgItem(IDC_STATIC_USER1)->ClientToScreen(m_UserRect[1]);
    ScreenToClient(m_UserRect[1]);

    GetDlgItem(IDC_STATIC_USER2)->ShowWindow(SW_HIDE);
    GetDlgItem(IDC_STATIC_USER2)->GetClientRect(m_UserRect[2]);
    GetDlgItem(IDC_STATIC_USER2)->ClientToScreen(m_UserRect[2]);
    ScreenToClient(m_UserRect[2]);

    GetDlgItem(IDC_STATIC_USER3)->ShowWindow(SW_HIDE);
    GetDlgItem(IDC_STATIC_USER3)->GetClientRect(m_UserRect[3]);
    GetDlgItem(IDC_STATIC_USER3)->ClientToScreen(m_UserRect[3]);
    ScreenToClient(m_UserRect[3]);

     // 隐藏录像状态标志
    GetDlgItem(IDC_STATIC_RECORDSTATE0)->ShowWindow(SW_HIDE);
    GetDlgItem(IDC_STATIC_RECORDSTATE1)->ShowWindow(SW_HIDE);
    GetDlgItem(IDC_STATIC_RECORDSTATE2)->ShowWindow(SW_HIDE);
    GetDlgItem(IDC_STATIC_RECORDSTATE3)->ShowWindow(SW_HIDE);

     for(INT i=0; i
    {
        m_iUserID[i] = -1;
    }

    m_dwTransTaskId = -1;

    m_iPort = 8906;
    m_iRoomId = 1;
     SetDlgItemText(IDC_IPADDRESS_SERVER,"demo.anychat.cn");
     SetDlgItemText(IDC_EDIT_USERNAME,"AnyChat5");
    UpdateData(FALSE);
     return TRUE;  // return TRUE  unless you set the focus to a control
}

 void CBRAnyChatSDKDemoDlg::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.