5b916d7a_d_DIVX_supported___WMPoweruser__Supported_Scenarios
[Decoder Support] WMV (VC-1, WMV9) – Advanced Profile This codec is unsupported in Windows Phone Emulator. [Container] ASF (WMV) [Possible Audio Combinations] WMA Standard v9 WMA 10 Professional [Max Capabilities] WMA Standard v9 Up to 2 Mbps avg video bit rate Up to 384 Kbps Constant or variable bit rate Up to 48 kHz 1 or 2 channels 800 x 600 pixels at 30 fps WMA 10 Professional Up to 2 Mbps avg video bit rate Up to 768 Kbps Constant or variable bit rate Up to 48 kHz 6 channels 800 x 600 pixels at 30 fps [Supported Scenarios] 
Receiving files as attachments in email and MMS messages Syncing content from the Zune client to the device MediaLibrary Playing or streaming media with the MediaElement API Playing media in the device Media Player
Updates codec support list for Windows Phone 7 released, XVID and DIVX supported - WMPoweruser
Supported Scenarios