这个代码能找出下载地址么
<smil xmlns="http://www.w3.org/2001/SMIL20/Language" xmlns:rn="http://features.real.com/2001/SMIL20/Extensions">
<head>
<meta name="RealNetworks" content="RealGuide media clips" />
<meta name="title" content="RealGuide media clips"/>
<layout>
<root-layout width="320" height="250"/>
<region id="video_region" left="0" top="5" width="320" height="240" z-index="1" fit="fill"/>
</layout>
</head>
<body>
<seq>
<par>
<video src="rtsp://.../yuexia.rm" region="video_region" fill="freeze" title="">
<!-- Clickthrough url goes below -->
<area href="http://adimg.realnetworks.com.cn/newadimages/up_rightads/system-ad.html" sourcePlaystate="play" actuate="onLoad" external="true" target="_rpcontextwin">
</area>
</video>
</par>
</seq>
</body>
</smil>
参考答案:<video src="rtsp://.../yuexia.rm" region="video_region" fill="freeze" title="">
这一段中,这个rtsp://.../yuexia.rm就应该是地址,但不全,将你所浏览的当前页的地址向上一级加上yuexia.rm就应该是了,例如: