#include <QApplication>
#include <QMediaPlayer>
#include <QVideoWidget>
#include <QAudioOutput>
#include <QFileDialog>
#include <QUrl>

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

    // Create video widget
    QVideoWidget *videoWidget = new QVideoWidget;

    // Create media player
    QMediaPlayer *player = new QMediaPlayer;

    // Create audio output and assign volume
    QAudioOutput *audioOutput = new QAudioOutput;
    audioOutput->setVolume(0.8); // Volume from 0.0 to 1.0

    // Connect audio and video
    player->setAudioOutput(audioOutput);
    player->setVideoOutput(videoWidget);

    // Choose a file
    QString filename = QFileDialog::getOpenFileName(
        nullptr,
        "Select Video File",
        "",
        "Video Files (*.mp4 *.avi *.mkv *.mov *.webm);;All Files (*)"
        );

    if (!filename.isEmpty()) {
        player->setSource(QUrl::fromLocalFile(filename));
        // the file could also be an URL. In this case, do not open a file and use:
        //QUrl videoUrl("http://profesores.elo.utfsm.cl/~agv/elo329/1s22/Assignments/20220430_100849.mp4");
        //player->setSource(videoUrl);
        player->play();

        videoWidget->resize(800, 600);
        videoWidget->show();
    }

    return app.exec();
}