VLC Media Player Portable

VLC media player is a portable multimedia player for various audio and video formats (MPEG-1, MPEG-2, MPEG-4, DivX, XviD, WMV, mp3, ogg, ...) as well as DVDs, VCDs, and various streaming protocols. It can also be used as a server to stream in unicast or multicast in IPv4 or IPv6 on a high-bandwidth.
Download.