The FLV extensions, a Flash Video File is exported by the video Exporter plug-ing that is included with Adobe Flash or other programs that support a FLV file. It contains a short header, interleaved audio, metadata packets and video data. Both the audio and video data is stored in the same way as standard Flash files like SWF. FLV is an open-source format that can be opened by non-Adobe and Macromedia applications.
Mime type: video/x-flv