Google today announced launch of new schema markup for videos

Videos sites are nowadays one of the most admired and frequently visited by end users. It can add more value to your website and can reach masses if are optimized properly. They are the one which plays a major role in viral marketing. Looking to all this Google wants your each and every video to be crawled and indexed by Major search engines and should become visible to end users when they are looking for. Google along with Microsoft and Yahoo has come together to describe a web standard to describe any such videos on the web. Today they have announced an inculsion of video markup in Schema
A video player with markup might look like this:

<div itemscope itemtype="http://schema.org/VideoObject"> <h2>Video: <span itemprop="name">Title</span></h2> <meta itemprop="duration" content="T1M33S" /> <meta itemprop="thumbnailURL" content="thumbnail.jpg" /> <meta itemprop="embedURL" content="http://www.example.com/videoplayer.swf?video=123" /> <object ...> <embed type="application/x-shockwave-flash" ...> </object> <span itemprop="description">Video description</span> <div>

Even after inclusion of this video markup language, end users can still make use of video sitemaps. As they still provide information in terms of providing advanced functionality such as country and platform restrictions. If you still want to learn more about how to optimize video for search engine consider  Video search guidelines