1 ardour { ["type"] = "EditorAction", name = "Fan Out Instrument",
3 author = "Ardour Team",
4 description = [[Create Busses for every Instrument Output on selected Tracks]]
7 function factory () return function ()
10 local mst = Session:master_out();
11 if not mst:isnil() then
12 outputs = mst:n_inputs():n_audio()
14 mst = nil -- drop reference
16 local sel = Editor:get_selection ()
17 for r in sel.tracks:routelist ():iter () do
18 local proc = r:the_instrument ():to_insert()
20 print ("Track", r:name(), "does not have an instrument plugin")
23 local plugin = proc:plugin(0);
25 if (r:n_outputs ():n_audio() ~= proc:output_streams():n_audio()) then
26 print ("Instrument ", proc:name(), "outputs", proc:output_streams():n_audio(), "do not match track outputs", r:n_outputs ():n_audio())
30 -- collect port-group information, count target bus width
32 for i = 1, proc:output_streams():n_audio() do
33 local pd = plugin:describe_io_port (ARDOUR.DataType("Audio"), false, i - 1)
34 local nn = proc:name() .. " " .. pd.group_name; -- TODO use track-name prefix?
35 targets[nn] = targets[nn] or 0
36 targets[nn] = targets[nn] + 1
40 print ("Instrument ", proc:name(), "has only 1 output bus. Nothing to fan out.")
44 -- create busses ; TODO retain order
45 for t,c in pairs (targets) do
46 local rt = Session:route_by_name (t)
48 Session:new_audio_route (c, outputs, nil, 1, t, ARDOUR.PresentationInfo.Flag.AudioBus, ARDOUR.PresentationInfo.max_order)
52 r:output():disconnect_all (nil)
53 r:panner_shell():set_bypassed (true)
56 for i = 1, proc:output_streams():n_audio() do
57 local pd = plugin:describe_io_port (ARDOUR.DataType("Audio"), false, i - 1)
58 local nn = proc:name() .. " " .. pd.group_name;
59 local rt = Session:route_by_name (nn)
62 local op = r:output():audio (i - 1)
63 local ip = rt:input():audio (pd.group_channel)
64 op:connect (ip:name())