Conception/机器狗视频传输.h

#include "mainwindow.h"
#include "ui_mainwindow.h"
#include <QDebug>
#include <opencv2/opencv.hpp>

MainWindow::MainWindow(QWidget *parent)
    : QMainWindow(parent), ui(new Ui::MainWindow)
{
    ui->setupUi(this);

    const std::string stream_url = "http://localhost:8080/?action=stream";

    cv::VideoCapture cap(stream_url);
    if (!cap.isOpened())
    {
        qDebug() << "Failed to open MJPEG Streamer video capture";
        return;
    }

    QTimer* timer = new QTimer(this);
    connect(timer, &QTimer::timeout, [=]()
    {
        cv::Mat frame;
        cap.read(frame);
        if (frame.empty())
        {
            qDebug() << "Failed to capture MJPEG Streamer video frame";
            return;
        }

        QImage qimg((uchar*)frame.data, frame.cols, frame.rows, frame.step, QImage::Format_RGB888);

        ui->label->setPixmap(QPixmap::fromImage(qimg));
    });

    timer->start(33); 
}

MainWindow::~MainWindow()
{
    delete ui;
}