基于海康SDK，QT工程

#include "mainwindow.h" #include "ui_mainwindow.h" MainWindow::MainWindow(QWidget *parent) : QMainWindow(parent) , ui(new Ui::MainWindow) { ui->setupUi(this); lUserID = 0; struLoginInfo = {0}; } MainWindow::~MainWindow() { delete ui; } void MainWindow::on_pushButton_video_clicked() { bool isok = NET_DVR_Init(); if(isok) { qDebug() <<"SDK初始化成功"; //设置连接时间与重连时间 NET_DVR_SetConnectTime(2000, 1); NET_DVR_SetReconnect(10000, true); // NET_DVR_DEVICEINFO_V30 struDeviceInfo; // int lUserID = NET_DVR_Login_V30(const_cast<char*>("192.168.3.119"),\ // 8000, const_cast<char*>("admin"),\ // const_cast<char*>("abcd1234"), &struDeviceInfo); //登录参数，包括设备地址、登录用户、密码等 // 注册设备 // LONG lUserID; // NET_DVR_USER_LOGIN_INFO struLoginInfo = {0}; struLoginInfo.bUseAsynLogin = 0; //同步登录方式 strcpy(struLoginInfo.sDeviceAddress, ui->lineEdit_ip->text().toLocal8Bit()); //设备IP地址 struLoginInfo.wPort = 8000; //设备服务端口 strcpy(struLoginInfo.sUserName, ui->lineEdit_name->text().toLocal8Bit()); //设备登录用户名 strcpy(struLoginInfo.sPassword, ui->lineEdit_code->text().toLocal8Bit()); //设备登录密码 //设备信息, 输出参数 NET_DVR_DEVICEINFO_V40 struDeviceInfoV40 = {0}; lUserID = NET_DVR_Login_V40(&struLoginInfo, &struDeviceInfoV40); if (lUserID < 0) { qDebug()<<"登录失败: "<<NET_DVR_GetLastError(); NET_DVR_Cleanup();//释放 SDK 资源 return; }else{ qDebug()<<"登录成功 "; HWND hWnd = (HWND)ui->widget->winId(); //获取窗口句柄 NET_DVR_PREVIEWINFO struPlayInfo; struPlayInfo.hPlayWnd = hWnd; //需要 SDK 解码时句柄设为有效值，仅取流不解码时可设为空 struPlayInfo.lChannel = 1; //预览通道号 struPlayInfo.dwStreamType = 0; //0-主码流，1-子码流，2-码流 3，3-码流 4，以此类推 struPlayInfo.dwLinkMode = 0; //0- TCP 方式，1- UDP 方式，2- 多播方式，3- RTP 方式，4-RTP/RTSP，5-RSTP/HTTP struPlayInfo.bBlocked = 1; //0- 非阻塞取流，1- 阻塞取流 int lRealPlayHandle = NET_DVR_RealPlay_V40(lUserID, &struPlayInfo, nullptr, nullptr); if (lRealPlayHandle < 0) { qDebug()<<"预览失败: "<<NET_DVR_GetLastError(); NET_DVR_Logout(lUserID); NET_DVR_Cleanup(); return; } } }else{ qDebug()<<"SDK初始化失败: "<<NET_DVR_GetLastError(); } } void MainWindow::on_pushButton_video_stop_clicked() { NET_DVR_Logout(lUserID); NET_DVR_Cleanup(); } void MainWindow::on_ptn_ptz_up_pressed() { int iChannel = 1;//设备通道号 //DWORD dwPTZCommand = PAN_LEFT; //云台左转 DWORD dwStop = 0; //开始转动 if(!NET_DVR_PTZControl_Other(lUserID, iChannel, TILT_UP, dwStop)) { printf("PAN_LEFT start failed, error code: %d\n", NET_DVR_GetLastError()); NET_DVR_Logout(lUserID); NET_DVR_Cleanup(); return; } } void MainWindow::on_ptn_ptz_up_released() { int iChannel = 1;//设备通道号 //DWORD dwPTZCommand = PAN_LEFT; //云台左转 DWORD dwStop = 1; //开始转动 if(!NET_DVR_PTZControl_Other(lUserID, iChannel, TILT_UP, dwStop)) { printf("PAN_LEFT stop failed, error code: %d\n", NET_DVR_GetLastError()); } } void MainWindow::on_ptn_ptz_left_pressed() { int iChannel = 1;//设备通道号 //DWORD dwPTZCommand = PAN_LEFT; //云台左转 DWORD dwStop = 0; //开始转动 if(!NET_DVR_PTZControl_Other(lUserID, iChannel, PAN_LEFT, dwStop)) { printf("PAN_LEFT start failed, error code: %d\n", NET_DVR_GetLastError()); NET_DVR_Logout(lUserID); NET_DVR_Cleanup(); return; } } void MainWindow::on_ptn_ptz_left_released() { int iChannel = 1;//设备通道号 //DWORD dwPTZCommand = PAN_LEFT; //云台左转 DWORD dwStop = 1; //开始转动 if(!NET_DVR_PTZControl_Other(lUserID, iChannel, PAN_LEFT, dwStop)) { printf("PAN_LEFT stop failed, error code: %d\n", NET_DVR_GetLastError()); } } void MainWindow::on_ptn_ptz_right_pressed() { int iChannel = 1;//设备通道号 //DWORD dwPTZCommand = PAN_LEFT; //云台左转 DWORD dwStop = 0; //开始转动 if(!NET_DVR_PTZControl_Other(lUserID, iChannel, PAN_RIGHT, dwStop)) { printf("PAN_LEFT start failed, error code: %d\n", NET_DVR_GetLastError()); NET_DVR_Logout(lUserID); NET_DVR_Cleanup(); return; } } void MainWindow::on_ptn_ptz_right_released() { int iChannel = 1;//设备通道号 //DWORD dwPTZCommand = PAN_LEFT; //云台左转 DWORD dwStop = 1; //开始转动 if(!NET_DVR_PTZControl_Other(lUserID, iChannel, PAN_RIGHT, dwStop)) { printf("PAN_LEFT stop failed, error code: %d\n", NET_DVR_GetLastError()); } } void MainWindow::on_ptn_ptz_down_pressed() { int iChannel = 1;//设备通道号 //DWORD dwPTZCommand = PAN_LEFT; //云台左转 DWORD dwStop = 0; //开始转动 if(!NET_DVR_PTZControl_Other(lUserID, iChannel, TILT_DOWN, dwStop)) { printf("PAN_LEFT start failed, error code: %d\n", NET_DVR_GetLastError()); NET_DVR_Logout(lUserID); NET_DVR_Cleanup(); return; } } void MainWindow::on_ptn_ptz_down_released() { int iChannel = 1;//设备通道号 //DWORD dwPTZCommand = PAN_LEFT; //云台左转 DWORD dwStop = 1; //开始转动 if(!NET_DVR_PTZControl_Other(lUserID, iChannel, TILT_DOWN, dwStop)) { printf("PAN_LEFT stop failed, error code: %d\n", NET_DVR_GetLastError()); } } void CALLBACK fVoiceDataCallBack(LONG lVoiceComHandle, char *pRecvDataBuffer, DWORD dwBufSize, BYTE byAudioFlag, void* pUser) { printf("receive voice data, %d\n", dwBufSize); } void MainWindow::on_ptn_voice_on_clicked() { //语音对讲 //LONG lVoiceHanle; lVoiceHanle = NET_DVR_StartVoiceCom_V30(lUserID, 1,0, fVoiceDataCallBack, NULL); if (lVoiceHanle < 0) { printf("NET_DVR_StartVoiceCom_V30 error, %d!\n", NET_DVR_GetLastError()); NET_DVR_Logout(lUserID); NET_DVR_Cleanup(); return; } } void MainWindow::on_ptn_voice_off_clicked() { //关闭语音对讲 if (!NET_DVR_StopVoiceCom(lVoiceHanle)) { printf("NET_DVR_StopVoiceCom error, %d!\n", NET_DVR_GetLastError()); NET_DVR_Logout(lUserID); NET_DVR_Cleanup(); return; } }