qyouvideo/main.cpp

#include <QIcon>
#include <QGuiApplication>
#include <QQmlApplicationEngine>

int main(int argc, char *argv[])
{
    QGuiApplication app(argc, argv);

    QQmlApplicationEngine engine;
    QObject::connect(&engine, &QQmlApplicationEngine::objectCreationFailed,
                     &app, []() { QCoreApplication::exit(-1); },
                     Qt::QueuedConnection);
    engine.loadFromModule("qyouvideo", "Main");

    app.setWindowIcon(QIcon(":/resources/logo.png"));
    
    return app.exec();
}