Cinepak was the primary video codec of early versions of QuickTime and Microsoft Video for Windows, but was later superseded by Sorenson Video, Intel Indeo, and most recently MPEG-4 and H.264. However, movies compressed with Cinepak are generally still playable in most media players (including the Microsft Windows Media Player).
If you already have Cinepak installed, you can update to our version just by copying ICCVID.DLL over the top of the copy you already have (in Win 9X, \windows\system; in Win NT/2K/XP, \winnt\system32).
If you do not already have Cinepak installed, then you did not choose to install the multimedia/video components when you installed Windows. In that case, the codec is not enough; you are missing a number of other files you need in order to view videos.
This is quite a commonly required codec that enables you to view video on your PC.
Cinepak was originally developed to play small movies on “early” computers with a single speed CD-ROM drive.
One of the chief reasons for this was its extremely low CPU requirements!:
The original name of this codec was CompactVideo, which is why its FourCC identifier is “CVID”.
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