java调取电脑本地视频，无法播放

[qq_37191221]

我在网上找了h5的播放文件video.js，但是播放不了电脑本地的视频，这是为是为什么？哪位大神帮忙一下
<div class="m">
<video id="my-video" class="video-js" controls preload="auto" width="740" height="400"
poster="m.png" data-setup="{}">
<!-- 把src的地址改为电脑本地的地址，但是视频不能播放：D:\CameraMV\input\123.mp4 -->
<source src="http://jq22com.qiniudn.com/jq22-sp.mp4" type="video/mp4">
<p class="vjs-no-js">
To view this video please enable JavaScript, and consider upgrading to a web browser that
<a href="http://videojs.com/html5-video-support/" target="_blank">supports HTML5 video</a>
</p>
</video>
<script src="js/video.min.js"></script>
<script type="text/javascript">
var myPlayer = videojs('my-video');
videojs("my-video").ready(function(){
var myPlayer = this;
myPlayer.play();
});
</script>
</div>