CameraVideoAC.rar

#include "cameravideo.h" #include "ui_cameravideo.h" CameraVideo::CameraVideo(QWidget *parent) : QDialog(parent) , ui(new Ui::CameraVideo) { ui->setupUi(this); setFixedSize(QSize(800, 600)); setWindowFlags (Qt::FramelessWindowHint); init(); initDBhandle(); checkTableExist(); initCamera(); } CameraVideo::~CameraVideo() { delete ui; if(m_pCameraClass) { delete m_pCameraClass; m_pCameraClass = NULL; } if(m_pCameraClass_2) { delete m_pCameraClass_2; m_pCameraClass_2 = NULL; } if(m_sqlDB.isOpen()) { m_sqlDB.close(); } m_checkDiskSPaceTimer->stop(); m_checkDiskSPaceTimer->deleteLater(); } void CameraVideo::setCycle(quint64 nCycle) { m_nCycle = nCycle; } void CameraVideo::init() { m_nCycle = 10; curCamera = NULL; curCamera_2 = NULL; m_pCameraClass = NULL; m_pCameraClass_2 = NULL; m_strVideoPath = QApplication::applicationDirPath() + VideoSaveDir; m_strPicturePath = QApplication::applicationDirPath() + PictrueSaveDir; m_strVideomanageDBPath = QApplication::applicationDirPath() + VideoManagement; m_checkDiskSPaceTimer = new QTimer(this); m_checkDiskSPaceTimer->setInterval(1000); m_checkDiskSPaceTimer->start(); connect(m_checkDiskSPaceTimer, SIGNAL(timeout()), this, SLOT(onCheckDisk_timeout())); //向文件监视器添加监视 m_pFSWatcher = new QFileSystemWatcher(this); m_pFSWatcher->addPath(m_strVideoPath); orderFilesByTimeDesc(); connect(m_pFSWatcher, SIGNAL(directoryChanged(const QString&)),this, SLOT(onDirectoryChanged(const QString&))); } void CameraVideo::initCamera() { QList<QCameraInfo> cameras = QCameraInfo::availableCameras(); if(cameras.size() > 0) { for(int i = 0; i < cameras.size(); i++) { qDebug() << "camera:" << cameras[i].description() << "," << cameras[i].deviceName(); } initCamera1(cameras[0]); if(cameras.size() > 1) { initCamera2(cameras[1]); } } else { if(this->isVisible()) { QMessageBox::warning(nullptr, "提示", "当前设备无摄像头,请连接摄像头!", QMessageBox::Ok); } } if(m_pCameraClass) { connect(m_pCameraClass, SIGNAL(addNewVideo(QFileInfo &)), this, SLOT(on_addNewVideo(QFileInfo& ))); } if(m_pCameraClass_2) { connect(m_pCameraClass_2, SIGNAL(addNewVideo(QFileInfo &)), this, SLOT(on_addNewVideo(QFileInfo& ))); } } bool CameraVideo::initCamera1(QCameraInfo &cameraInfo) { bool bNewCamera = false; if(curCamera == NULL) { curCamera = new QCamera(cameraInfo, this); bNewCamera = true; } ui->cameraNameLabel->setText(cameraInfo.description()); ui->cameraNameLabel->setToolTip(cameraInfo.deviceName()); curCamera->setViewfinder(ui->cameraOneviewFinder); //设置取景框预览 curCamera->setCaptureMode(QCamera::CaptureViewfinder); ui->checkStillImage->setChecked(curCamera->isCaptureModeSupported(QCamera::CaptureStillImage)); //支持抓图 ui->checkVideo->setChecked(curCamera->isCaptureModeSupported(QCamera::CaptureVideo));//支持视频录制 //ui->checkFocus->setChecked(curCamera->focus()->isAvailable());//支持变焦 connect(curCamera, SIGNAL(stateChanged(QCamera::State)), this, SLOT(on_cameraStateChanged(QCamera::State))); connect(curCamera, SIGNAL(captureModeChanged(QCamera::CaptureModes)), this, SLOT(on_cameraCaptureModeChanged(QCamera::CaptureModes))); if(m_pCameraClass == NULL) { m_pCameraClass = new Camera("camera1",m_sqlDB, this, m_strVideoPath, curCamera); } if(bNewCamera) { m_pCameraClass->m_pCurCamera = curCamera; } connect(m_pCameraClass, SIGNAL(saveVideoToNewFile(QString)), this, SLOT(on_camera_saveVideoToNewFile(QString))); connect(m_pCameraClass->m_pMediaRecorder, SIGNAL(stateChanged(QMediaRecorder::State)), this, SLOT(on_videoStateChanged(QMediaRecorder::State))); connect(m_pCameraClass->m_pMediaRecorder, SIGNAL(durationChanged(qint64)), this, SLOT(on_videoDurationChanged(qint64))); connect(m_pCameraClass->imageCapture, SIGNAL(readyForCaptureChanged(bool)), this, SLOT(on_imageReadyForCapture(bool))); connect(m_pCameraClass->imageCapture,SIGNAL(imageCaptured(int, const QImage &)), this,SLOT(on_imageCaptured(int, const QImage &))); connect(m_pCameraClass->imageCapture,SIGNAL(imageSaved(int, const QString &)), this,SLOT(on_imageSaved(int, const QString &))); m_pCameraClass->setVideoCycle(m_nCycle); } bool CameraVideo::initCamera2(QCameraInfo &cameraInfo) { bool bNewCamera = false; if(curCamera_2 == NULL) { curCamera_2 = new QCamera(cameraInfo, this); bNewCamera = true; } ui->camera_2NameLabel->setText(cameraInfo.description()); ui->camera_2NameLabel->setToolTip(cameraInfo.deviceName()); curCamera_2->setViewfinder(ui->cameraTwoViewFinder); //设置取景框预览 curCamera_2->setCaptureMode(QCamera::CaptureViewfinder); ui->checkStillImage_2->setChecked(curCamera_2->isCaptureModeSupported(QCamera::CaptureStillImage)); //支持抓图 ui->checkVideo_2->setChecked(curCamera_2->isCaptureModeSupported(QCamera::CaptureVideo));//支持视频录制 //ui->checkFocus_2->setChecked(curCamera_2->focus()->isAvailable());//支持变焦 connect(curCamera_2, SIGNAL(stateChanged(QCamera::State)), this, SLOT(on_camera_2StateChanged(QCamera::State))); connect(curCamera_2, SIGNAL(captureModeChanged(QCamera::CaptureModes)), this, SLOT(on_camera_2CaptureModeChanged(QCamera::CaptureModes))); if(m_pCameraClass_2 == NULL) { m_pCameraClass_2 = new Camera("camera2",m_sqlDB, this, m_strVideoPath, curCamera_2); } if(bNewCamera) { m_pCameraClass_2->m_pCurCamera = curCamera_2; } connect(m_pCameraClass_2, SIGNAL(saveVideoToNewFile(QString)), this, SLOT(on_camera2_saveVideoToNewFile(QString))); connect(m_pCameraClass_2->m_pMediaRecorder, SIGNAL(stateChanged(QMediaRecorder::State)), this, SLOT(on_video_2StateChanged(QMediaRecorder::State))); connect(m_pCameraClass_2->m_pMediaRecorder, SIGNAL(durationChanged(qint64)), this, SLOT(on_video_2DurationChanged(qint64))); connect(m_pCameraClass_2->imageCapture, SIGNAL(readyForCaptureChanged(bool)), this, SLOT(on_image_2ReadyForCapture(bool))); connect(m_pCameraClass_2->imageCapture,SIGNAL(imageCaptured(int, const QImage &)), this,SLOT(on_image_2Captured(int, const QImage &))); connect(m_pCameraClass_2->imageCapture,SIGNAL(imageSaved(int, const QString &)), this,SLOT(on_image_2Saved(int, const QString &))); m_pCameraClass_2->setVideoCycle(m_nCycle); } void CameraVideo::initDBhandle() { if(m_sqlDB.isOpen() == false) { m_sqlDB = QSqlDatabase::addDatabase("QSQLITE", "VideoManagement"); m_sqlDB.setDatabaseName(m_strVideomanageDBPath + "/VideoManagement.db"); bool result = m_sqlDB.open(); if(result == false) { QString strError = m_strVideomanageDBPath + "/VideoManagement.db"; strError += "打开失败!"; QMessageBox::warning(nullptr, "数据库错误", strError, QMessageBox::Ok); } } } void CameraVideo::checkTableExist() { QSqlQuery sql_query(m_sqlDB); bool bSucess = sql_query.exec("create table if not exists videos([video_name] NVARCHAR, [video_size] NVARCHAR, " "[video_creation_time] DATETIME, [cycle] NVARCHAR, [path] NVARCHAR, [part1] NVARCHAR, [part2] NVARCHAR)"); if (!bSucess) { return; } } void CameraVideo::on_cameraStateChanged(QCamera::State state) { switch (state) { case QCamera::UnloadedState: ui->cameraOneStateLabel->setText