Video flash

Video Flash (English abbreviation FLV , Video flash) is a Format of file used on Internet to diffuse vidéos via the reader Adobe Flash Player version 6,7 and 8 (also known under the name Macromedia Flash Player). Contents FLV can be built-in with the files SWF. This format is used by Dailymotion and other sites of division of vidéos on Internet (Youtube,…).

codec video is either an alternative of the H.263, or the codec VP6 of on2 company, or still a succession of captures screen. The audio either not is compressed (PCM, ADPCM) or compressed in Mp3.

Use

This format was strongly used by the sites of division of videos in Streaming which needed to diffuse an important video stream, like Youtube, Dailymotion, Kewego and others…

See also: Lodging of video

It has several advantages:

  • it does not charge the network
  • it requires a space on the weak waiter,
  • the visionnage is made in parallel remote loading,
  • the remote loading is done only once, stored in the mask of the navigator,
  • one can read flow as soon as one has a small fraction of the video,
  • one can move at another place of the video (progression bars activates),
  • one can regulate certain parameters (volume, size of the screen…) but this is related to the technology of the reader (external or SWF)

It has as disadvantage of having a very bad quality if it is a criterion which one really takes into account. Other concurrent techniques exist: streaming ms, etc

Software of reading of this format

This format can be read in the software Macromedia Flash Player but it is possible to program its own reader of files to format FLV. Let us quote some readers who allow to read the format like a traditional video file (without passing by Macromedia Flash Player), which is free and was developed by voluntary data processing specialists:

Free readers (nonexhaustive list)

  • VLC Media Player, Mplayer and Xine (free software, Multi-punt-form S) (bond interns)
  • The KMPlayer (bond interns)
  • Gom player (bond interns)
  • FLVplayer of Frederic Saunier (external bond), Freeware Windows
  • Flash Player for Mac Gratuit - SWF & FLV Player, (Freeware Mac OS X)
  • Winpy Standalone Free FLV Player (Freeware Mac OS X, Windows)
  • SWF & FLV Player (Free Windows)
  • Riva FLV Player (Freeware Windows)
  • Video Flash Player Creative license Commons CC-BY-SA and MPL
  • Video Flash Player Creative license Commons CC-BY-SA and MPL
  • Media Player Classic

Library

  • libflv

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