Flash Video
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Flash Video ( FLV) is a system developed by Adobe Systems open standard container format that is used primarily for Internet transmissions of video content. It is depending on the codec you use compatible with the Adobe Flash player version 6 or 7 ( see below).
It is also possible to load embedded in a SWF file such flash video files.
Format
Currently, Adobe Flash Player support, and thus the Flash video format that the video codec Sorenson ( an MPEG -4 ASP codec H.263 variant), VP6 ( On2 ) and MPEG -4 according to the H.264 standard. There is also a special screen capture codec is available.
As audio codecs Nellymoser Asao codec, Speex, and the HE- AAC codec is MP3, possible.
Format Support
The Adobe Flash Player can play FLV videos from Version 6. These are loaded so by an RTMP streaming server. From version 7 loading over HTTP. This allows the FLV video file will be disseminated by a web server.
Up to and including Adobe Flash Player version 7, in the FLV video for the image only the Sorenson codec ( FourCC: FLV1 ) be and the screen capture codec used for an audio track MP3. FLV videos with VP6 codec ( FourCC: VP6F or FLV4 ) can be played from version 8. From minor version 9.0.115 Adobe Flash Player also can play other video file formats to FLV. It is the H.264 codec and HE-AAC audio support, which may also be located in other video file containers (mp4, mov, 3gp, etc.).
Playback via the web browser plugin
An installed player for Adobe Flash files as an additional module ( plug-in) in the web browser currently reaches a much higher proliferation compared to plugins competing formats such as QuickTime or Real. Flash Video is characterized consequently by the fact that videos can be displayed on web pages in this format with correspondingly more computers. On this basis, it is due that set important video portals like YouTube, MyVideo, sevenload fish and clip on flash videos.
When playback software, the proprietary Adobe Flash player Gnash from the GNU project and Swfdec and Light Park exist efforts to create free software as an alternative.
Play the video player
To flash to play videos outside of the web browser, independently of the Flash Player, the installation of a video player (or codecs like ffdshow ) is required, which supports the Flash video format.
Files in Flash Video format may include RealPlayer, MPlayer, VLC media player, Winamp, FLV Media Player and Adobe Media Player to play. On the Macintosh, QuickTime can play flash video files using the Perian codec pack. Also There is also a Quick Look plug-in.