Formats, Containers, Codecs Professional support for a wide array of formats. Fine-grain controls on H.264, Quicktime, Flash, Windows Media & WebM. x264 joins the H.264 codecs list-- high quality, lots of controls. New Formats Adaptive Bitrate Standards: Microsoft Smooth Streaming (H.264) and Adobe Flash Dynamic Streaming (Windows version), Dolby Pro Audio; Including 5.1 Surround