1 ardour { ["type"] = "Snippet", name = "portengine" }
2 function factory () return function ()
4 local a = Session:engine()
5 print ("----- Port objects from Ardour's engine ----");
6 _, t = a:get_ports (ARDOUR.DataType("audio"), ARDOUR.PortList())
7 -- table 't' holds argument references. t[2] is the PortList
8 for p in t[2]:iter() do
9 local lp = p:get_connected_latency_range (ARDOUR.LatencyRange(), true)
10 local lc = p:get_connected_latency_range (ARDOUR.LatencyRange(), false)
11 print (p:name(), " -- Play lat.", lp[1].min, lp[1].max, "Capt lat.", lc[1].min, lc[1].max)
14 print ("----- Port names queries from the backend ----");
15 _, t = a:get_backend_ports ("", ARDOUR.DataType("audio"), 0, C.StringVector())
16 -- table 't' holds argument references. t[4] is the StringVector
17 for n in t[4]:iter() do
21 print ("----- Connections from the backend ----");
22 _, t = a:get_backend_ports ("", ARDOUR.DataType("audio"), ARDOUR.PortFlags.IsOutput, C.StringVector())
23 for n in t[4]:iter() do
24 local printed_name = false;
25 local _, ct = a:get_connections (n, C.StringVector())
26 for c in ct[2]:iter() do
27 if (not printed_name) then