Supported Media Formats, Protocols, and Log Fields

WVC1: Windows Media Video Advanced Profile, VC-1 Supports Advanced Profile. Supports only progressive (non-interlaced) content. H264 (ITU-T H.264 / ISO MPEG-4 AVC) formats Supports H.264 and MP43 codecs. Supports Base, Main, and High Profiles. ...

msdn.microsoft.com