Qt简易读取视频

#include "mainwindow.h"

#include "ui_mainwindow.h"

#include <QMediaPlayer>

#include <QtMultimedia/QMultimedia>

#include <QtMultimediaWidgets/QVideoWidget>

MainWindow::MainWindow(QWidget *parent) :

    QMainWindow(parent),

    ui(new Ui::MainWindow)

{

    ui->setupUi(this);

    this->resize(800,480);

    QVideoWidget *vid=new QVideoWidget(this);

    vid->resize(400,300);

    setCentralWidget(vid);

    QMediaPlayer *player=new QMediaPlayer(this);

    player->setVideoOutput(vid);

    player->setMedia(QMediaContent(QUrl::fromLocalFile("e:/0.mp4")));

    player->play();

}

MainWindow::~MainWindow()

{

    delete ui;

}