qt+vlcqt+opencv+rtsp+截图

#include "mainwindow.h" #include "ui_mainwindow.h" #include <VLCQtCore/Common.h> #include <VLCQtCore/Instance.h> #include <VLCQtCore/Media.h> #include <VLCQtCore/MediaPlayer.h> #include <VLCQtCore/VideoStream.h> #include <QFileDialog> #include <QInputDialog> #include <qdebug.h> #include <VLCQtCore/VideoStream.h> #include <VLCQtCore/YUVVideoFrame.h> #include "opencv2/opencv.hpp"//添加Opencv相关头文件 #include "opencv2/highgui/highgui.hpp" void MainWindow::reload_chanel(void){ QSizePolicy sizePolicy(QSizePolicy::Expanding, QSizePolicy::Expanding); sizePolicy.setHorizontalStretch(0); sizePolicy.setVerticalStretch(0); label_channel_0 = new QLabel(this); label_channel_0->setObjectName(QStringLiteral("label_channel_0")); sizePolicy.setHeightForWidth(label_channel_0->sizePolicy().hasHeightForWidth()); label_channel_0->setSizePolicy(sizePolicy); label_channel_0->setMinimumSize(QSize(0, 0)); label_channel_0->setStyleSheet(QStringLiteral("background-color: rgb(53, 54, 194);")); ui->horizontalLayout_2->addWidget(label_channel_0); #if 1 label_channel_1 = new QLabel(this); label_channel_1->setObjectName(QStringLiteral("label_channel_1")); sizePolicy.setHeightForWidth(label_channel_1->sizePolicy().hasHeightForWidth()); label_channel_1->setSizePolicy(sizePolicy); label_channel_1->setMinimumSize(QSize(0, 0)); label_channel_1->setStyleSheet(QStringLiteral("background-color: rgb(53, 54, 194);")); ui->horizontalLayout_2->addWidget(label_channel_1); if(parameter_rtst.chanal_num==3){ label_channel_2 = new QLabel(this); label_channel_2->setObjectName(QStringLiteral("label_channel_2")); sizePolicy.setHeightForWidth(label_channel_2->sizePolicy().hasHeightForWidth()); label_channel_2->setSizePolicy(sizePolicy); label_channel_2->setMinimumSize(QSize(0, 0)); label_channel_2->setStyleSheet(QStringLiteral("background-color: rgb(53, 54, 194);")); ui->horizontalLayout_2->addWidget(label_channel_2); }else if(parameter_rtst.chanal_num>=4){ label_channel_2 = new QLabel(this); label_channel_2->setObjectName(QStringLiteral("label_channel_2")); sizePolicy.setHeightForWidth(label_channel_2->sizePolicy().hasHeightForWidth()); label_channel_2->setSizePolicy(sizePolicy); label_channel_2->setMinimumSize(QSize(0, 0)); label_channel_2->setStyleSheet(QStringLiteral("background-color: rgb(53, 54, 194);")); ui->horizontalLayout_2->addWidget(label_channel_2); label_channel_3 = new QLabel(this); label_channel_3->setObjectName(QStringLiteral("label_channel_3")); sizePolicy.setHeightForWidth(label_channel_3->sizePolicy().hasHeightForWidth()); label_channel_3->setSizePolicy(sizePolicy); label_channel_3->setMinimumSize(QSize(0, 0)); label_channel_3->setStyleSheet(QStringLiteral("background-color: rgb(53, 54, 194);")); ui->horizontalLayout_3->addWidget(label_channel_3); label_channel_4 = new QLabel(this); label_channel_4->setObjectName(QStringLiteral("label_channel_4")); sizePolicy.setHeightForWidth(label_channel_4->sizePolicy().hasHeightForWidth()); label_channel_4->setSizePolicy(sizePolicy); label_channel_4->setMinimumSize(QSize(0, 0)); label_channel_4->setStyleSheet(QStringLiteral("background-color: rgb(53, 54, 194);")); ui->horizontalLayout_3->addWidget(label_channel_4); label_channel_5 = new QLabel(this); label_channel_5->setObjectName(QStringLiteral("label_channel_5")); sizePolicy.setHeightForWidth(label_channel_5->sizePolicy().hasHeightForWidth()); label_channel_5->setSizePolicy(sizePolicy); label_channel_5->setMinimumSize(QSize(0, 0)); label_channel_5->setStyleSheet(QStringLiteral("background-color: rgb(53, 54, 194);")); ui->horizontalLayout_3->addWidget(label_channel_5); } #endif } MainWindow::MainWindow(QWidget *parent) : QMainWindow(parent), ui(new Ui::MainWindow) { ui->setupUi(this); // ui->frame_2->hide(); // ui->frame_4->show(); ui->frame_2->show(); ui->frame_4->hide(); // ui->frame_5->hide(); // ui->frame_3->show(); ui->frame_3->hide(); ui->frame_5->show(); newmanual_in=new manual_in(); newmanual_in->setWindowFlags(Qt::FramelessWindowHint); newmanual_in->move((this->width() - newmanual_in->width())/2, (this->height() - newmanual_in->height())/2); newmanual_in->hide(); newmanual_out=new manual_out(); newmanual_out->setWindowFlags(Qt::FramelessWindowHint); newmanual_out->move((this->width() - newmanual_out->width())/2, (this->height() - newmanual_out->height())/2); newmanual_out->hide(); newsystemset=new systemset(); newsystemset->setWindowFlags(Qt::FramelessWindowHint); newsystemset->move((this->width() - newsystemset->width())/2, (this->height() - newsystemset->height())/2); newsystemset->hide(); newchangeuser=new changeuser(); newchangeuser->setWindowFlags(Qt::FramelessWindowHint); newchangeuser->move((this->width() - newchangeuser->width())/2, (this->height() - newchangeuser->height())/2); newchangeuser->hide(); //列表显示 // QStringList header; // header<<tr("name")<<tr("last modify time")<<tr("type")<<tr("size"); // ui->tableWidget->setHorizontalHeaderLabels(header); ui->tableWidget_2->setColumnWidth(0, 70); ui->tableWidget_2->setColumnWidth(1, 80); ui->tableWidget_2->setColumnWidth(2, 140); ui->tableWidget_2->setColumnWidth(3, 70); //ui->widget->hide(); int row_count = ui->tableWidget_2->rowCount(); //获取表单行数 ui->tableWidget_2->insertRow(row_count); //插入新行 QTableWidgetItem *item = new QTableWidgetItem(); QTableWidgetItem *item1 = new QTableWidgetItem(); QTableWidgetItem *item2 = new QTableWidgetItem(); QTableWidgetItem *item3 = new QTableWidgetItem(); //设置对应的图标、文件名称、最后更新时间、对应的类型、文件大小 //item->setText("icon"); //icon为调用系统的图标，以后缀来区分 item->setText("name"); item1->setText("last_modify_time"); item2->setText("type"); //type为调用系统的类型，以后缀来区分 item3->setText("size"); ui->tableWidget_2->setItem(row_count, 0, item); ui->tableWidget_2->setItem(row_count, 1, item1); ui->tableWidget_2->setItem(row_count, 2, item2); ui->tableWidget_2->setItem(row_count, 3, item3); //列表显示end //树形显示 ui->treeWidget_2->expandAll(); //ui->frame_3->hide(); ui->treeWidget->hide(); ui->treeWidget_2->hide(); //树形显示end //参数初始化 parameter_rtst_init(); //动态画面加载 reload_chanel(); mqtt_link=new communication(this); getimage_flag=0; QStringList args = VlcCommon::args(); args << "--network-caching=100"; _instance0 = new VlcInstance(args, this); _player0 = new VlcMediaPlayer(_instance0); //_videostream=new VlcVideoStream(Vlc::YUVFormat,this); //_player->setVideoWidget(ui->vlc_widget); //ui->vlc_widget->setMediaPlayer(_player); //_videostream=new VlcVideoStream(Vlc::RenderFormat format,this); m_video_stream0= new VideoStreaming(Vlc::YUVFormat,0,0); //m_video_stream->init(_player); //m_video_stream->init(_player); m_video_stream0->setCallbacks(_player0); _instance1 = new VlcInstance(args, this); _player1 = new VlcMediaPlayer(_instance1); //_player1->setVideoWidget(ui->widget); //ui->widget->setMediaPlayer(_player1); m_video_stream1= new VideoStreaming(Vlc::YUVFormat,0,1); //m_video_stream->init(_player); //m_video_stream->init(_player); m_video_stream1->setCallbacks(_player1); _instance2 = new VlcInstance(args, this); _player2 = new VlcMediaPlayer(_instance2); //_player2->setVideoWidget(ui->widget_2); //u