Qt简易读取视频

工程文件--------------------------------------------

QT       += core gui multimedia multimediawidgets

greaterThan(QT_MAJOR_VERSION, 4): QT += widgets

TARGET = 091000

TEMPLATE = app

# The following define makes your compiler emit warnings if you use

# any feature of Qt which has been marked as deprecated (the exact warnings

# depend on your compiler). Please consult the documentation of the

# deprecated API in order to know how to port your code away from it.

DEFINES += QT_DEPRECATED_WARNINGS

# You can also make your code fail to compile if you use deprecated APIs.

# In order to do so, uncomment the following line.

# You can also select to disable deprecated APIs only up to a certain version of Qt.

#DEFINES += QT_DISABLE_DEPRECATED_BEFORE=0x060000    # disables all the APIs deprecated before Qt 6.0.0

SOURCES += \

        main.cpp \

        mainwindow.cpp

HEADERS += \

        mainwindow.h

FORMS += \

        mainwindow.ui

源文件


#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;

}