Microsoft has released Microsoft Media Platform Content Manager for Windows Server 2008
The Microsoft Media Platform Content Manager (MMPCM) is an open source solution that can be used by enterprises, educational institutions and broadcasting companies to manage their video assets. This lightweight and highly-customizable solution is built on Microsoft SharePoint 2010 and Microsoft media-related technologies, including Silverlight 4, IIS Media Services and Expression Encoder 4.The MMPCM infrastructure enables users to:Microsoft Media Platform Content Manager
Define, edit and approve or reject video assets
Transcode video into different formats
Broadcast Live Events
Insert Ads on Live Event transmissions
Edit videos online right within MMPCM
Publish videos to external players