About Camtasia Relay:
Camtasia Relay allows multiple people to create screencast videos with just a computer.
Once recorded, the video is automatically produced and available for viewing online, on an iPod or just about anywhere. (http://www.techsmith.com/camtasiarelay.asp)
1)A user captures media using Camtasia relay client.
2)This client will upload the media to Camtasia relay server.
3)The server converts this media to different formats like flv, ipod.... using pre configured encode settings.
4)The server publishes this media to Drupal server via ftp.
5)The server makes an RPC call to Drupal module to Process the media.
5)The Drupal module will fetch the media from the ftp directory and creates the node.