在网上没找到,在书上也没有。后来突然想直接在官网的类里面找Video 居然就有了。
把http://qt-project.org/doc/qt-5/qmediaplayer.html的例子补充完整后就可以运行了。
注意pro文件中要添加内容,还有各种必要的头文件要添加。
开发环境Qt 5.3.2
代码如下:
pro文件
QT += core gui\
multimedia\
multimediawidgets greaterThan(QT_MAJOR_VERSION, ): QT += widgets\ TARGET = Video_Try
TEMPLATE = app SOURCES += main.cpp\
mainwindow.cpp HEADERS += mainwindow.h FORMS += mainwindow.ui
mainwindow.h
#ifndef MAINWINDOW_H
#define MAINWINDOW_H #include <QMainWindow>
#include <QMediaPlayer>
#include <QMediaPlaylist>
#include <QVideoWidget>
#include <QUrl> class MainWindow : public QMainWindow
{
Q_OBJECT public:
QMediaPlaylist * playlist;
QMediaPlayer * player;
QVideoWidget * videoWidget; MainWindow();
~MainWindow();
}; #endif // MAINWINDOW_H
mainwindow.cpp
#include "mainwindow.h"
#include "ui_mainwindow.h" MainWindow::MainWindow()
{
playlist = new QMediaPlaylist;
player = new QMediaPlayer;
videoWidget = new QVideoWidget; setCentralWidget(videoWidget); playlist->addMedia(QUrl::fromLocalFile("D:/Users/Qt_project/Video_Try/3.avi"));
playlist->setCurrentIndex();
player->setPlaylist(playlist);
player->setVideoOutput(videoWidget); videoWidget->show();
player->play();
} MainWindow::~MainWindow()
{ }
main
#include "mainwindow.h"
#include <QApplication> int main(int argc, char *argv[])
{
QApplication a(argc, argv);
MainWindow w;
w.show(); return a.exec();
}