This perl script downloads as many videos from Youtube as you want. It reads a text file containing the all of the urls to the video(s). You can use it to easily download 1 video or 100 videos.
Omnimeeting is a multiplatform C++ videoconference program that can do live cam/audio streaming using RTSP protocol.It can recv/send a 360 degrees omnidirectional video and do a face detecting/tracking.It has APIs to convert/send omnidirectional images.