DivX H.264 Decoder is a DirectShow filter for decoding H.264/AVC video files. Its performance is comparable to that of CoreAVC.
H.264 provides powerful compression technology that delivers a superior video experience at a low bit rate.
The H.264 standard is set to supersede some of the formats that are commonplace today such as DV, the standard used by many consumer video cameras, and MPEG-2, the standard for DVD video and some types of cable TV and digital broadcast.
In a nutshell, H.264 is suited to any platform - handheld to high def.