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lua snippet to interact with portengine

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This commit is contained in:
Robin Gareus 2016-04-26 17:51:48 +02:00
parent 5227f57f2e
commit 09e5730ffd
1 changed files with 33 additions and 0 deletions
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33
scripts/s_portengine.lua Normal file
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ardour { ["type"] = "Snippet", name = "portengine" }
function factory () return function ()
a = Session:engine()
print ("----- Port objects from Ardour's engine ----");
_, t = a:get_ports (ARDOUR.DataType("audio"), ARDOUR.PortList())
-- table 't' holds argument references. t[2] is the PortList
for p in t[2]:iter() do
print (p:name())
end
print ("----- Port names queries from the backend ----");
_, t = a:get_backend_ports ("", ARDOUR.DataType("audio"), 0, C.StringVector())
-- table 't' holds argument references. t[4] is the StringVector
for n in t[4]:iter() do
print (n)
end
print ("----- Connections from the backend ----");
_, t = a:get_backend_ports ("", ARDOUR.DataType("audio"), ARDOUR.PortFlags.IsOutput, C.StringVector())
for n in t[4]:iter() do
local printed_name = false;
_, ct = a:get_connections (n, C.StringVector())
for c in ct[2]:iter() do
if (not printed_name) then
printed_name = true;
print (n)
end
print (" ->", c)
end
end
end end