dvsource-dvgrab(1) on Linux
The text b9a57d2df90a, as Debian 7 (Wheezy), Debian 6.0 (Squeeze) shipped it. The page shows this text now.
Firewire and Video4Linux2 sources for DVswitch
Flags it lists
-
--card -
--host -
--port -
--tally -
-c -
-h -
-p -
-t