QT + OPENCV + 海康工业相机显示不同处理阶段9宫格图像

#include "hikvisionsdk.h" #include <windows.h> #include <QDebug> #include <QThread> HikvisionSDK::HikvisionSDK() { /*初始化对象↓*/ nRet = MV_OK; handle = NULL; g_nPayloadSize = 0; stImageInfo = {}; isGain = true; x=0,y=0,w=500,h=500; /*↑初始化对象*/ } HikvisionSDK::~HikvisionSDK() { } void HikvisionSDK::EnumDevice() { memset(&stDeviceList,0,sizeof(MV_CC_DEVICE_INFO_LIST));//开辟空间 nRet = MV_CC_EnumDevices(MV_GIGE_DEVICE | MV_USB_DEVICE,&stDeviceList);//枚举设备并返回信息进行判断 if(nRet != MV_OK) { QString text = QString("枚举设备失败！nRet [0x%1]").arg(nRet); //QMessageBox::warning(this,"警告",text); return; } if(stDeviceList.nDeviceNum > 0) { for (unsigned int i = 0;i < stDeviceList.nDeviceNum;i++) { MV_CC_DEVICE_INFO* pDeviceInfo = stDeviceList.pDeviceInfo[i]; if(pDeviceInfo == NULL) { continue; } wchar_t* pUserName = NULL; if(pDeviceInfo->nTLayerType == MV_GIGE_DEVICE) { int nIp1 = ((stDeviceList.pDeviceInfo[i]->SpecialInfo.stGigEInfo.nCurrentIp & 0xff000000) >> 24); int nIp2 = ((stDeviceList.pDeviceInfo[i]->SpecialInfo.stGigEInfo.nCurrentIp & 0x00ff0000) >> 16); int nIp3 = ((stDeviceList.pDeviceInfo[i]->SpecialInfo.stGigEInfo.nCurrentIp & 0x0000ff00) >> 8); int nIp4 = (stDeviceList.pDeviceInfo[i]->SpecialInfo.stGigEInfo.nCurrentIp & 0x000000ff); if(std::strcmp("",(LPCSTR)(pDeviceInfo->SpecialInfo.stGigEInfo.chUserDefinedName)) != 0) { DWORD dwLenUserName = MultiByteToWideChar(CP_ACP,0,(LPCSTR)(pDeviceInfo->SpecialInfo.stGigEInfo.chUserDefinedName),-1,NULL,0); pUserName = new wchar_t[dwLenUserName]; MultiByteToWideChar(CP_ACP,0,(LPCSTR)(pDeviceInfo->SpecialInfo.stGigEInfo.chUserDefinedName),-1,pUserName,dwLenUserName); } else { DWORD dwLenUserName = MultiByteToWideChar(CP_ACP,0,(LPCSTR)(pDeviceInfo->SpecialInfo.stGigEInfo.chUserDefinedName),-1,NULL,0); pUserName = new wchar_t[dwLenUserName]; MultiByteToWideChar(CP_ACP,0,(LPCSTR)(pDeviceInfo->SpecialInfo.stGigEInfo.chUserDefinedName),-1,pUserName,dwLenUserName); } QString text = QString("[%1]Gige:%2(%3.%4.%5.%6)").arg(i).arg(pUserName).arg(nIp1).arg(nIp2).arg(nIp3).arg(nIp4); qDebug()<<text; }else if(pDeviceInfo->nTLayerType == MV_USB_DEVICE) { printf("UserDefinedName: %s\n", pDeviceInfo->SpecialInfo.stUsb3VInfo.chUserDefinedName); printf("Serial Number: %s\n", pDeviceInfo->SpecialInfo.stUsb3VInfo.chSerialNumber); printf("Device Number: %d\n\n", pDeviceInfo->SpecialInfo.stUsb3VInfo.nDeviceNumber); } else { //QMessageBox::warning(this,"警告","未知设备"); QString text = QString("未知设备[%1]").arg(i); qDebug()<<text; } if(pUserName) { delete [] pUserName; pUserName = NULL; } } } if(stDeviceList.nDeviceNum == 0) { qDebug()<< "警告未发现设备"; emit signal_sendInfoToShow("未发现设备,请查看通信线是否连接，如确认连接请等待重连"); emit signal_sendConnectState(false); return; } } void HikvisionSDK::ConnectDevice() { //创建设备句柄 unsigned int nIndex = 0; nRet = MV_CC_CreateHandle(&handle,stDeviceList.pDeviceInfo[nIndex]); if(nRet != MV_OK) { QString text = QString("创建设备失败！nRet [%1]").arg(nRet); qDebug()<< text; return; } //设置IP // nRet = MV_GIGE_ForceIpEx(handle,1921681100); //打开设备 nRet = MV_CC_OpenDevice(handle); if(nRet != MV_OK) { QString text = QString("打开设备失败！nRet [%1]").arg(nRet); qDebug()<< text; return; } // 检测网络最近封装尺寸(仅支持 GigE camera) if (stDeviceList.pDeviceInfo[nIndex]->nTLayerType == MV_GIGE_DEVICE) { int nPacketSize = MV_CC_GetOptimalPacketSize(handle); if (nPacketSize > 0) { nRet = MV_CC_SetIntValue(handle,"GevSCPSPacketSize",nPacketSize); if(nRet != MV_OK) { QString text = QString("设置封装尺寸失败！nRet [%1]").arg(nRet); qDebug()<< text; } } else { QString text = QString("获取封装尺寸失败！nRet [%1]").arg(nPacketSize); qDebug()<< text; } } SetTriggerMode(); GrabImage(); } void HikvisionSDK::SetTriggerMode() { nRet = MV_CC_SetEnumValue(handle, "TriggerMode", 0); if (MV_OK != nRet) { printf("Set Trigger Mode fail! nRet [0x%x]\n", nRet); QString text = QString("设置触发模式失败！nRet [%1]").arg(nRet); qDebug()<< text; return; } } void HikvisionSDK::GrabImage() { // qDebug()<<"1子线程"<<QThread::currentThreadId(); //获取playload尺寸 MVCC_INTVALUE stParam; memset(&stParam, 0, sizeof(MVCC_INTVALUE)); nRet = MV_CC_GetIntValue(handle, "PayloadSize", &stParam); if (MV_OK != nRet) { QString text = QString("获取playlord失败！nRet [%1]").arg(nRet); qDebug()<< text; return; } //获取尺寸后+2个分配大小，否则报错分配空间不足 g_nPayloadSize = stParam.nCurValue+2; qDebug()<<g_nPayloadSize; //开始取流 nRet = MV_CC_StartGrabbing(handle); if(nRet != MV_OK) { printf("Start Grabbing fail! nRet [0x%x]\n", nRet); QString text = QString("取流失败！nRet [0x%1]").arg(nRet); qDebug()<<text; return; } qDebug()<<"1开始取流"; MV_FRAME_OUT_INFO_EX stImageInfo = {}; memset(&stImageInfo,0,sizeof (MV_FRAME_OUT_INFO_EX)); pData = (unsigned char*)malloc(sizeof (unsigned char)* (g_nPayloadSize)); if (pData == NULL) { qDebug()<< "分配内容失败！"; return; } // 获取一张图片get one frame from camera with timeout=1000ms nRet = MV_CC_GetOneFrameTimeout(handle, pData, g_nPayloadSize, &stImageInfo, 3000); if (nRet == MV_OK) { printf("Get One Frame: Width[%d], Height[%d], nFrameNum[%d]\n", stImageInfo.nWidth, stImageInfo.nHeight, stImageInfo.nFrameNum); } else { QString text = QString("无图像数据！nRet [%1]").arg(nRet); qDebug()<< text; free(pData); pData = NULL; return; } // qDebug()<<"取流完成"; emit signal_sendInfoToShow("检测模组连接成功"); emit signal_sendConnectState(true);//发送相机连接成功信号 emit signal_sendStartSDKWork();//发送图片采集准备完成信号 } void HikvisionSDK::stopCamera() { MV_CC_StopGrabbing(handle); qDebug()<<"关闭取流"; } void HikvisionSDK::closeCamera() { if (NULL == handle) { return; } MV_CC_CloseDevice(handle); int tempValue = MV_CC_DestroyHandle(handle); handle = NULL; if(tempValue!=0) { return; }else { return; } qDebug()<<"关闭相机"; } int HikvisionSDK::RGB2BGR(unsigned char *pRgbData, unsigned int nWidth, unsigned int nHeight) { if ( NULL == pRgbData ) { return MV