Flash Video is a file format used to deliver video over the Internet using Adobe Flash Player (initially produced by Macromedia) versions 6–10. Until version 9 update 2 of the Flash Player, Flash Video referred to a proprietary file format, having the extension FLV. history.com use flv video.

RTMP : The Real-Time Messaging Protocol (RTMP) was designed for high-performance transmission of audio, video, and data between Adobe Flash Platform technologies, including Adobe Flash Player and Adobe AIR, enable delivery of video, audio, and data in the open AMF, SWF, FLV, and F4V formats compatible with Adobe Flash Player.

HiDownload Platinum offer "Build-in sniffer" feature to support almost all of videos sharing websites.

Step by Step:

1.Download HiDownload Platinum and install, then run HiDownload

2.Click <Yes> when "Start sniffer" window shown.

3.Open history.com, and play the videos which you want to download.

4.Sniffer detected the flv video stream, and list the downloadable rtmp links in sniffer list.

5.HiDownload Platinum download them automatically.

 

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