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The DivX Web Player is a browser plugin for Internet Explorer, Mozilla Firefox, Google Chrome and Safari that allows the playback of embedded video using .avi, .mp4, .mkv, and .mov formats, plus the ability to download the video locally once the buffer is completed. Other features include support for UTF-8 subtitles and mixed audio tracks. Aside from this, new versions of the DivX Plus Web Player supports H.264 decoding and hardware acceleration for H.264 embedded video.
DivX, first called DivX :-) (with the smiley to distinguish it from the DIVX system, a video rental scheme by Circuit City that required special hardware to function), is a line of software products by DivX Inc. Usually, when one talks of DivX, this is either to pertain to the DivX codec, which is used to play MPEG-4 Part 2 and H.264 MPEG-4 (the latter of which is the HD version) file format videos, and the DivX Plus Player, the proprietary media player of the company that supports a huge variety of video types from the outset. DivX later dropped the smiley from their products’ brand name and trademarked the word “DivX”, in time with the release of the first version, DivX 4.0.