qml播放视频文件

import QtQuick 2.0  
import QtMultimedia 5.4  

Rectangle {  
        color: "black"  
        anchors.fill: parent  

        MediaPlayer {  
            id: mediaPlayer  
            source: "file:///c:/test.mp4"  
            autoPlay: true  
        }  

        VideoOutput {  
            id: video  
            anchors.fill: parent  
            source: mediaPlayer  
        }  
    }