

Both these formats are bitmap tile based, can be lossy by reducing color depths and are compressed using zlib. The Flash Video FLV file format supports two versions of a so called 'screenshare' (Screen video) codec which is an encoding format designed for screencasts. Sorenson Spark is an older codec for FLV files but it is also a widely available and compatible one, because it was the first video codec supported in Flash Player. Flash Video is viewable on most operating systems except iOS, via the Adobe Flash Player and web browser plugin or one of several third-party programs.įlash Video FLV files contain video bit streams which are a proprietary variant of the H.263 video standard, under the name of Sorenson Spark (FourCC FLV1). Notable users of it include YouTube, Hulu, VEVO, Yahoo! Video, metacafe,, and many other news providers. Flash Video has been accepted as the default online video format by many sites. The Flash Video format is a video format defined by Adobe Systems.
