配置环境:
Qt5.12.5
OpenCV3.4.9
海康MVS3.1.0
开发工具:QT Creator-4.11.0
1、开发步骤:
1)创建QT项目,在pro文件中添加相机的引用文件
1.1)添加海康的库:
将海康SDK库MVS\Development\Includes和MVS\Development\Libraries\win64下复制到自己的工程目录下
然后把库添加到.pro文件中
点击下一步之后就会在.pro文件中出现如下代码
然后在这后面加上以下代码,添加依赖项
1 INCLUDEPATH += $$PWD/includes/ 2 INCLUDEPATH += $$PWD/includes/GenICam/ 3 4 DEPENDPATH += $$PWD/includes/ 5 DEPENDPATH += $$PWD/includes/GenICam/
1.2)配置OpenCV
跟上面配置HKSDK步骤相同库文件目录为OpenCV的安装目录D:/OpenCV/opencv/build/x64/vc14/lib/opencv_world349d.lib
配置完成会在。pro文件中出现如下代码
需要在后面添加如下代码
1 INCLUDEPATH += D:\OpenCV\opencv\build\include \ 2 D:\OpenCV\opencv\build\include\opencv \ 3 D:\OpenCV\opencv\build\include\opencv2 4 DEPENDPATH += D:\OpenCV\opencv\build\include \ 5 D:\OpenCV\opencv\build\include\opencv \ 6 D:\OpenCV\opencv\build\include\opencv2
这样海康SDK和OpenCV库就配置完成了,可以在项目引入他们的头文件了。
2、开发步骤:
新建一个类:mycanera.h和mycaner.cpp生成这两个文件(ps:建文件时将camera打错了,^_^)
mycanera.h文件参考一下代码:
#ifndef MYCANERA_H #define MYCANERA_H #include "MvCameraControl.h" #pragma execution_character_set("utf-8") //设置当前文件为UTF-8编码 #pragma warning( disable : 4819 ) //解决SDK中包含中文问题;忽略C4819错误 #include <stdio.h> #include <iostream> #include "opencv2/core/core.hpp" #include "opencv2/opencv.hpp" #include "opencv2/highgui/highgui.hpp" #include <string> #include <QDebug> using namespace std; using namespace cv; class MyCanera { public: MyCanera(); ~MyCanera(); //声明相关变量及函数等 //枚举相机设备列表 static int EnumDevices(MV_CC_DEVICE_INFO_LIST* pstDevList); // ch:连接相机 int connectCamera(string id); //设置相机触发模式 int setTriggerMode(unsigned int TriggerModeNum); //开启相机采集 int startCamera(); //发送软触发 int softTrigger(); //读取buffer int ReadBuffer(Mat &image); //设置心跳时间 int setHeartBeatTime(unsigned int time); //设置曝光时间 int setExposureTime(float ExposureTimeNum);
//关闭相机 int closeCamera();
private: void* m_hDevHandle; public: unsigned char* m_pBufForSaveImage; // 用于保存图像的缓存 unsigned int m_nBufSizeForSaveImage; unsigned char* m_pBufForDriver; // 用于从驱动获取图像的缓存 unsigned int m_nBufSizeForDriver; MV_CC_DEVICE_INFO_LIST m_stDevList; // ch:设备信息列表结构体变量,用来存储设备列表 MV_CC_DEVICE_INFO *m_Device = NULL; //设备对象 }; #endif // MYCANERA_H
mycanera.cpp文件参考一下代码:
#include "mycanera.h" #include <QDebug> MyCanera::MyCanera() { m_hDevHandle = NULL; } MyCanera::~MyCanera() { if (m_hDevHandle) { MV_CC_DestroyHandle(m_hDevHandle); m_hDevHandle = NULL; } } //查询设备列表 int MyCanera::EnumDevices(MV_CC_DEVICE_INFO_LIST* pstDevList) { int temp= MV_CC_EnumDevices(MV_GIGE_DEVICE | MV_USB_DEVICE, pstDevList); if (MV_OK != temp) { return -1; } return 0; } //连接相机 //id:自定义相机名称 int MyCanera::connectCamera(string id) { int temp= EnumDevices(&m_stDevList); if(temp!=0) //设备更新成功接收命令的返回值为0,返回值不为0则为异常 return -1; if(m_stDevList.nDeviceNum==0) //未找到任何相机 return 2; for (unsigned int i = 0; i < m_stDevList.nDeviceNum; i++) { MV_CC_DEVICE_INFO* pDeviceInfo = m_stDevList.pDeviceInfo[i]; if (NULL == pDeviceInfo) { continue; } //qDebug() << (char*)pDeviceInfo->SpecialInfo.stGigEInfo.chUserDefinedName;//自定义相机名称 //qDebug() << (char*)pDeviceInfo->SpecialInfo.stGigEInfo.chSerialNumber;//相机序列号 if(id == (char*)pDeviceInfo->SpecialInfo.stGigEInfo.chUserDefinedName||id == (char*)pDeviceInfo->SpecialInfo.stGigEInfo.chSerialNumber) { m_Device= m_stDevList.pDeviceInfo[i]; break; }else { continue; } } if(m_Device==NULL) { //未找到指定名称的相机 qDebug() << "未找到指定名称的相机"; return 3; } temp = MV_CC_CreateHandle(&m_hDevHandle, m_Device);//创建句柄 if(temp !=0) return -1; temp = MV_CC_OpenDevice(m_hDevHandle);//打开设备 if (temp !=0) { MV_CC_DestroyHandle(m_hDevHandle); m_hDevHandle = NULL; return -1; }else { setTriggerMode(1);//设置触发模式:1-打开触发模式 0-关闭触发模式 return 0; } if (m_Device->nTLayerType == MV_GIGE_DEVICE)//设备类型为网络接口 { //std::cout<<"Gige Camera"<<std::endl; } } //设置相机是否开启触发模式 int MyCanera::setTriggerMode(unsigned int TriggerModeNum) { int nRet = MV_CC_SetTriggerMode(m_hDevHandle,TriggerModeNum); if (MV_OK != nRet) { return -1; } } //启动相机采集 int MyCanera::startCamera() { int temp=MV_CC_StartGrabbing(m_hDevHandle); if(temp!=0) { qDebug() << "抓图失败"; return -1; }else { qDebug() << "抓图成功"; return 0; } } //发送软触发 int MyCanera::softTrigger() { int enumValue = MV_CC_SetEnumValue(m_hDevHandle,"TriggerSource",MV_TRIGGER_SOURCE_SOFTWARE); if(enumValue != 0){ qDebug() << "设置软触发失败"; return -1; }else { qDebug() << "设置软触发"; } int comdValue= MV_CC_SetCommandValue(m_hDevHandle, "TriggerSoftware"); if(comdValue!=0) { qDebug() << "软触发失败"; return -1; }else { qDebug() << "软触发一次"; return 0; } } //读取相机中的图像 int MyCanera::ReadBuffer(Mat &image) { unsigned int nBufSize = 0;//缓存大小 MVCC_INTVALUE stIntvalue; //获取一帧数据的大小 memset(&stIntvalue, 0, sizeof(MVCC_INTVALUE)); int tempValue = MV_CC_GetIntValue(m_hDevHandle, "PayloadSize", &stIntvalue); if (tempValue != 0) { qDebug() << "GetIntValue失败"; return -1; }else{qDebug() << "GetIntValue成功";} nBufSize = stIntvalue.nCurValue; m_pBufForDriver = (unsigned char *)malloc(nBufSize); MV_FRAME_OUT_INFO_EX stImageInfo; memset(&stImageInfo,0,sizeof(MV_FRAME_OUT_INFO)); qDebug() << MV_CC_StartGrabbing(m_hDevHandle); int timeout= MV_CC_GetOneFrameTimeout(m_hDevHandle, m_pBufForDriver, nBufSize, &stImageInfo, 1000); if(timeout!=0) { qDebug() << "GetOneFrameTimeout失败"; return -1; } m_nBufSizeForSaveImage = stImageInfo.nWidth * stImageInfo.nHeight * 3 + 2048; m_pBufForSaveImage = (unsigned char*)malloc(m_nBufSizeForSaveImage); //向系统申请M_nBufSizeForSaveImage内存空间 bool isMono;//判断是否为黑白图像 switch (stImageInfo.enPixelType) //像素格式 { case PixelType_Gvsp_Mono8: case PixelType_Gvsp_Mono10: case PixelType_Gvsp_Mono10_Packed: case PixelType_Gvsp_Mono12: case PixelType_Gvsp_Mono12_Packed: isMono=true; break; default: isMono=false; break; } if(isMono) { image=Mat(stImageInfo.nHeight,stImageInfo.nWidth,CV_8UC1,m_pBufForDriver); } else { //转换图像格式为BGR8 MV_CC_PIXEL_CONVERT_PARAM stConvertParam = {0}; memset(&stConvertParam, 0, sizeof(MV_CC_PIXEL_CONVERT_PARAM)); stConvertParam.nWidth = stImageInfo.nWidth; //ch:图像宽 | en:image width stConvertParam.nHeight = stImageInfo.nHeight; //ch:图像高 | en:image height stConvertParam.pSrcData = m_pBufForDriver; //ch:输入数据缓存 | en:input data buffer stConvertParam.nSrcDataLen = stImageInfo.nFrameLen; //ch:输入数据大小 | en:input data size stConvertParam.enSrcPixelType = stImageInfo.enPixelType; //ch:输入像素格式 | en:input pixel format //stConvertParam.enDstPixelType = PixelType_Gvsp_BGR8_Packed; //ch:输出像素格式 | en:output pixel format 适用于OPENCV的图像格式 stConvertParam.enDstPixelType = PixelType_Gvsp_RGB8_Packed; //ch:输出像素格式 | en:output pixel format stConvertParam.pDstBuffer = m_pBufForSaveImage; //ch:输出数据缓存 | en:output data buffer stConvertParam.nDstBufferSize = m_nBufSizeForSaveImage; //ch:输出缓存大小 | en:output buffer size MV_CC_ConvertPixelType(m_hDevHandle, &stConvertParam); image=Mat(stImageInfo.nHeight,stImageInfo.nWidth,CV_8UC3,m_pBufForSaveImage); } return 0; } //设置心跳时间 int MyCanera::setHeartBeatTime(unsigned int time) { //心跳时间最小为500ms if(time<500) time=500; int temp=MV_CC_SetIntValue(m_hDevHandle, "GevHeartbeatTimeout", time); if(temp!=0) { return -1; } else { return 0; } } //设置曝光时间 int MyCanera::setExposureTime(float ExposureTimeNum) { int temp= MV_CC_SetFloatValue(m_hDevHandle, "ExposureTime",ExposureTimeNum ); if(temp!=0) return -1; return 0; } //关闭相机 int MyCanera::closeCamera() { int nRet = MV_OK; if (NULL == m_hDevHandle) { qDebug() << "没有句柄,不用关闭"; return -1; } MV_CC_CloseDevice(m_hDevHandle); nRet = MV_CC_DestroyHandle(m_hDevHandle); m_hDevHandle = NULL; return nRet; }
mainwindow.h
#ifndef MAINWINDOW_H #define MAINWINDOW_H #include <QMainWindow> #include "mycanera.h" QT_BEGIN_NAMESPACE namespace Ui { class MainWindow; } QT_END_NAMESPACE class MainWindow : public QMainWindow { Q_OBJECT public: MainWindow(QWidget *parent = nullptr); ~MainWindow(); MyCanera *m_pcMycamera; MV_CC_DEVICE_INFO_LIST m_stDevList;//设备列表 string cameraName; //相机名称 Mat imageMat; //使用OpenCV接受采集图像 QImage cvMat2QImage(const cv::Mat& mat); QImage image; private slots: void on_pushButton_link_clicked(); void on_pushButton_close_clicked(); void on_pushButton_caiji_clicked(); private: Ui::MainWindow *ui; }; #endif // MAINWINDOW_H
minwindow.cpp
#include "mainwindow.h" #include "ui_mainwindow.h" #include "mycanera.h" #include <QDebug> #include <QImage> #include <QImageReader> MainWindow::MainWindow(QWidget *parent) : QMainWindow(parent) , ui(new Ui::MainWindow) { ui->setupUi(this); m_pcMycamera = new MyCanera; int neRt = m_pcMycamera->EnumDevices(&m_stDevList); qDebug() << neRt; qDebug() << m_stDevList.pDeviceInfo[0]->nTLayerType; //获取相机的IP地址 if(1 == m_stDevList.pDeviceInfo[0]->nTLayerType){ int nIp1,nIp2,nIp3,nIp4; nIp1 = ((m_stDevList.pDeviceInfo[0]->SpecialInfo.stGigEInfo.nCurrentIp & 0xff000000) >> 24); nIp2 = ((m_stDevList.pDeviceInfo[0]->SpecialInfo.stGigEInfo.nCurrentIp & 0x00ff0000) >> 16); nIp3 = ((m_stDevList.pDeviceInfo[0]->SpecialInfo.stGigEInfo.nCurrentIp & 0x0000ff00) >> 8); nIp4 = (m_stDevList.pDeviceInfo[0]->SpecialInfo.stGigEInfo.nCurrentIp & 0x000000ff); QString nIp = QString("%1.%2.%3.%4").arg(nIp1).arg(nIp2).arg(nIp3).arg(nIp4); qDebug() << nIp; } } MainWindow::~MainWindow() { delete ui; } //连接相机 void MainWindow::on_pushButton_link_clicked() { cameraName = (char *)m_stDevList.pDeviceInfo[0]->SpecialInfo.stGigEInfo.chUserDefinedName; qDebug() << QString::fromStdString(cameraName); int linkCamera = m_pcMycamera->connectCamera(cameraName); qDebug() << linkCamera; if(linkCamera == 0){ qDebug() << "连接相机成功"; }else { qDebug() << "连接相机失败"; } //开启抓图 int satrtCamera = m_pcMycamera->startCamera(); if(satrtCamera != 0){ qDebug() << "启动相机采集失败"; }else { qDebug() << "正在启动相机采集信息"; } } //关闭设备 void MainWindow::on_pushButton_close_clicked() { //关闭设备,释放资源 int close = m_pcMycamera->closeCamera(); if(close != 0){ qDebug() << "相机关闭失败"; } } //采集单张图像按钮 void MainWindow::on_pushButton_caiji_clicked() { //设置相机软触发 int softTrigger = m_pcMycamera->softTrigger();//发送软触发 if(softTrigger != 0){ qDebug() << "失败"; }else { qDebug() << "成功触发一次"; } //读取相机中的图像 int readInt = m_pcMycamera->ReadBuffer(imageMat); if(readInt != 0){ qDebug() << "读取图像失败"; } image = cvMat2QImage(imageMat); ui->label_image->setPixmap(QPixmap::fromImage(image)); } //Mat转QImage函数 QImage MainWindow::cvMat2QImage(const cv::Mat& mat) { // 8-bits unsigned, NO. OF CHANNELS = 1 if(mat.type() == CV_8UC1) { QImage qimage(mat.cols, mat.rows, QImage::Format_Indexed8); // Set the color table (used to translate colour indexes to qRgb values) qimage.setColorCount(256); for(int i = 0; i < 256; i++) { qimage.setColor(i, qRgb(i, i, i)); } // Copy input Mat uchar *pSrc = mat.data; for(int row = 0; row < mat.rows; row ++) { uchar *pDest = qimage.scanLine(row); memcpy(pDest, pSrc, mat.cols); pSrc += mat.step; } return qimage; } // 8-bits unsigned, NO. OF CHANNELS = 3 else if(mat.type() == CV_8UC3) { // Copy input Mat const uchar *pSrc = (const uchar*)mat.data; // Create QImage with same dimensions as input Mat QImage image(pSrc, mat.cols, mat.rows, mat.step, QImage::Format_RGB888); return image.rgbSwapped(); } else if(mat.type() == CV_8UC4) { // Copy input Mat const uchar *pSrc = (const uchar*)mat.data; // Create QImage with same dimensions as input Mat QImage image(pSrc, mat.cols, mat.rows, mat.step, QImage::Format_ARGB32); return image.copy(); } else { return QImage(); } }
运行结果:(ps:停止采集没有用)