大华相机SDK示例

// DemoDlg.cpp : 实现文件 // #include "stdafx.h" #include "SingleDisplay.h" #include "SingleDisplayDlg.h" #include "RGBConvert.h" #include "SingleDisplayDlg.h" #include <sstream> #include <io.h> #include <fcntl.h> #include <afx.h> #import "msxml3.dll" using namespace MSXML2; #ifdef _DEBUG #define new DEBUG_NEW #endif #define DEFAULT_SHOW_RATE (30) #define FRAME_DISPLAY_INTERVAL30 33333333 using namespace Dahua; using namespace Dahua::Infra; // 用于应用程序“关于”菜单项的 CAboutDlg 对话框 class CAboutDlg : public CDialog { public: CAboutDlg(); // 对话框数据 enum { IDD = IDD_ABOUTBOX }; protected: virtual void DoDataExchange(CDataExchange* pDX); // DDX/DDV 支持 // 实现 protected: DECLARE_MESSAGE_MAP() }; CAboutDlg::CAboutDlg() : CDialog(CAboutDlg::IDD) { } void CAboutDlg::DoDataExchange(CDataExchange* pDX) { CDialog::DoDataExchange(pDX); } BEGIN_MESSAGE_MAP(CAboutDlg, CDialog) END_MESSAGE_MAP() // CSingleDisplayDlg 对话框 CSingleDisplayDlg::CSingleDisplayDlg(CWnd* pParent /*=NULL*/) : CDialog(CSingleDisplayDlg::IDD, pParent) , _connected(false) , _isGrabbing(false) , _bRunning(false) , _frameCnt(0) , _frameCtrl(false) , _maxFrameCnt(0) , _devListDlg(NULL) , _displayThread(CThreadLite::ThreadProc(&CSingleDisplayDlg::DisplayThreadProc, this), "Display") // , _streamRetrieveThread(CThreadLite::ThreadProc(&CSingleDisplayDlg::StreamRetrieveThreadPro, this), "StreamRetrieve") , m_dDisplayInterval(0) , m_nFirstFrameTime(0) , m_nLastFrameTime(0) { m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME); setDisplayFPS(30); // 默认显示30帧 } void CSingleDisplayDlg::DoDataExchange(CDataExchange* pDX) { CDialog::DoDataExchange(pDX); _render.setHandle(GetDlgItem(IDC_DISPLAY)->GetSafeHwnd()); } BOOL CSingleDisplayDlg::OpenConsole() { AllocConsole(); HANDLE handle = GetStdHandle(STD_OUTPUT_HANDLE); int hCrt = _open_osfhandle(static_cast<long>(reinterpret_cast<uintptr_t>(handle)), _O_TEXT); FILE* hf = _fdopen(hCrt, "w"); *stdout = *hf; return TRUE; } BEGIN_MESSAGE_MAP(CSingleDisplayDlg, CDialog) ON_WM_SYSCOMMAND() ON_WM_PAINT() ON_WM_QUERYDRAGICON() //}}AFX_MSG_MAP ON_BN_CLICKED(IDC_BTN_CONNECT, &CSingleDisplayDlg::OnBnClickedConnect) ON_BN_CLICKED(IDC_BTN_PLAY, &CSingleDisplayDlg::OnBnClickedBtnPlay) ON_WM_CLOSE() ON_NOTIFY(NM_RELEASEDCAPTURE, IDC_SLIDER_FRAMERATE, &CSingleDisplayDlg::OnNMCustomdrawSliderFramerate) ON_NOTIFY(NM_RELEASEDCAPTURE, IDC_SLIDER_EXPOSURETIME, &CSingleDisplayDlg::OnNMCustomdrawSliderExposuretime) ON_NOTIFY(NM_RELEASEDCAPTURE, IDC_SLIDER_GAIN, &CSingleDisplayDlg::OnNMCustomdrawSliderGain) ON_NOTIFY(NM_RELEASEDCAPTURE, IDC_SLIDER_GAMA, &CSingleDisplayDlg::OnNMCustomdrawSliderGama) ON_NOTIFY(NM_RELEASEDCAPTURE, IDC_SLIDER_LIGHT, &CSingleDisplayDlg::OnNMCustomdrawSliderLight) ON_NOTIFY(NM_RELEASEDCAPTURE, IDC_SLIDER_SHARPNESS, &CSingleDisplayDlg::OnNMCustomdrawSliderSharpness) ON_NOTIFY(NM_RELEASEDCAPTURE, IDC_SLIDER_HUE, &CSingleDisplayDlg::OnNMCustomdrawSliderHue) ON_NOTIFY(NM_RELEASEDCAPTURE, IDC_SLIDER_SATURATION, &CSingleDisplayDlg::OnNMCustomdrawSliderSaturation) ON_NOTIFY(NM_RELEASEDCAPTURE, IDC_SLIDER_RWHITEBALANCE, &CSingleDisplayDlg::OnNMCustomdrawSliderRwhitebalance) ON_NOTIFY(NM_RELEASEDCAPTURE, IDC_SLIDER_GWHITEBALANCE, &CSingleDisplayDlg::OnNMCustomdrawSliderGwhitebalance) ON_NOTIFY(NM_RELEASEDCAPTURE, IDC_SLIDER_BWHITEBALANCE, &CSingleDisplayDlg::OnNMCustomdrawSliderBwhitebalance) ON_CBN_SELCHANGE(IDC_COMBO_FORMAT, &CSingleDisplayDlg::OnCbnSelchangeComboFormat) ON_CBN_SELCHANGE(IDC_COMBO_AUTOEXPOSURE, &CSingleDisplayDlg::OnCbnSelchangeComboAutoexposure) ON_CBN_SELCHANGE(IDC_COMBO_EXPOSUREMODE, &CSingleDisplayDlg::OnCbnSelchangeComboExposuremode) ON_CBN_SELCHANGE(IDC_COMBO_AUTOGAIN, &CSingleDisplayDlg::OnCbnSelchangeComboAutogain) ON_CBN_SELCHANGE(IDC_COMBO_AUTOWHITEBALANCE, &CSingleDisplayDlg::OnCbnSelchangeComboAutowhitebalance) ON_CBN_SELCHANGE(IDC_COMBO_PLAYMODE, &CSingleDisplayDlg::OnCbnSelchangeComboPlaymode) ON_BN_CLICKED(IDC_BTN_HORITRANS, &CSingleDisplayDlg::OnBnClickedBtnHoritrans) ON_BN_CLICKED(IDC_BTN_VERTTRANS, &CSingleDisplayDlg::OnBnClickedBtnVerttrans) ON_BN_CLICKED(IDC_BTN_SOFTTRIGGER, &CSingleDisplayDlg::OnBnClickedBtnSofttrigger) ON_CBN_SELCHANGE(IDC_COMBO_TRIGGERMODE, &CSingleDisplayDlg::OnCbnSelchangeComboTriggermode) ON_BN_CLICKED(IDC_BTN_SAVECFG, &CSingleDisplayDlg::OnBnClickedBtnSavecfg) ON_BN_CLICKED(IDC_BTN_OPENCFG, &CSingleDisplayDlg::OnBnClickedBtnOpencfg) ON_BN_CLICKED(IDC_BTN_SAVEPIC, &CSingleDisplayDlg::OnBnClickedBtnSavepic) END_MESSAGE_MAP() bool printCallBack(char const* p) { std::cout << p << std::endl; return true; } // CSingleDisplayDlg 消息处理程序 BOOL CSingleDisplayDlg::OnInitDialog() { CDialog::OnInitDialog(); // 将“关于...”菜单项添加到系统菜单中。 // IDM_ABOUTBOX 必须在系统命令范围内。 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); } } // 设置此对话框的图标。当应用程序主窗口不是对话框时，框架将自动 // 执行此操作 SetIcon(m_hIcon, TRUE); // 设置大图标 SetIcon(m_hIcon, FALSE); // 设置小图标 //Dahua::Infra::attachPrint(Dahua::Infra::PrintProc(&printCallBack)); //Dahua::Infra::setPrintLogLevel(1); // TODO: 在此添加额外的初始化代码 EnableBtns(false); // 启动显示线程 if (!_displayThread.isThreadOver()) { _displayThread.destroyThread(); } if (!_displayThread.createThread()) { MessageBox("Create Display Thread Failed.", "", 0); return FALSE; } /// 初始化属性控件 InitAttributes(); return TRUE; // 除非将焦点设置到控件，否则返回 TRUE } // 使能按钮 void CSingleDisplayDlg::EnableBtns(bool enable) { GetDlgItem(IDC_BTN_PLAY)->EnableWindow(enable); GetDlgItem(IDC_BTN_SOFTTRIGGER)->EnableWindow(enable); GetDlgItem(IDC_BTN_HORITRANS)->EnableWindow(enable); GetDlgItem(IDC_BTN_VERTTRANS)->EnableWindow(enable); GetDlgItem(IDC_BTN_SAVEPIC)->EnableWindow(enable); } void CSingleDisplayDlg::OnSysCommand(UINT nID, LPARAM lParam) { if ((nID & 0xFFF0) == IDM_ABOUTBOX) { CAboutDlg dlgAbout; dlgAbout.DoModal(); } else { CDialog::OnSysCommand(nID, lParam); } } // 显示线程 void CSingleDisplayDlg::DisplayThreadProc(Dahua::Infra::CThreadLite& lite) { while ( lite.looping() ) { if(!_bRunning) { Sleep(10); continue; } if(m_bStopGrabbing) { StopStreamGrabbing(); } FrameBufferSPtr displayFrame = getConvertedImage(); if (!displayFrame ) { continue; } _render.display(displayFrame->bufPtr(), displayFrame->Width(), displayFrame->Height(), displayFrame->PixelFormat()); } } bool CSingleDisplayDlg::isTimeToDisplay(uintmax_t nCurTime) { Infra::CGuard guard(m_mxTime); // 不显示 if (m_dDisplayInterval <= 0) { return false; } // 第一帧必须显示 if (m_nFirstFrameTime == 0 || m_nLastFrameTime == 0) { m_nFirstFrameTime = Infra::CTime::getCurrentMicroSecond() * 1000;; m_nLastFrameTime = m_nFirstFrameTime; TRACE("set m_nFirstFrameTime: %I64d\n", m_nFirstFrameTime); return true; } uint64_t nCurTimeTmp = Infra::CTime::getCurrentMicroSecond() * 1000; uint64_t nAcquisitionInterval = nCurTimeTmp - m_nLastFrameTime; if (nAcquisitionInterval > FRAME_DISPLAY_INTERVAL30) { m_nLastFrameTime = nCurTimeTmp; return true; } // 当前帧相对于第一帧的时间间隔 uint64_t nPre = (m_nLastFrameTime - m_nFirstFrameTime) % FRAME_DISPLAY_INTERVAL30; if (nPre + nAcquisitionInterval > FRAME_DISPLAY_INTERVAL30) { m_nLastFrameTime = nCurTimeTmp; return true; } re