Bvids.film.2.avi -

: A common naming structure for digital video recorder (DVR) exports where "b" might refer to a specific camera bank or building.

If you can tell me or its size , I can give you a much more specific breakdown of its likely contents. bvids.Film.2.avi

: Shows the exact date the file was created, the camera/software used, and the frame rate. : A common naming structure for digital video

: Pressing Ctrl+J while the video is paused in VLC Media Player will show you the stream details. the camera/software used