dc1394_vloopback(1) on Linux
The text a6a3b2af11a0, as Debian 5.0 (Lenny), Debian 4.0 (Etch) shipped it.
manual page for dc1394_vloopback
Flags it lists
-
--daemon -
--guid -
--height -
--help -
--palette -
--pipe -
--video1394 -
--vloopback -
--width