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authorRobin Gareus <robin@gareus.org>2016-11-10 01:30:11 +0100
committerRobin Gareus <robin@gareus.org>2016-11-10 01:32:08 +0100
commitce77df24cad242e7a8f4bc4f05ab552f629956c7 (patch)
treeb86b9c9694b1960ee07a129f7ed46d580c017278 /scripts
parentda937cf1a404f81dee09322c3d9fe8d68d4749e0 (diff)
prototype script to fan out instrument outputs to busses
Diffstat (limited to 'scripts')
-rw-r--r--scripts/fan_out_instrument.lua62
1 files changed, 62 insertions, 0 deletions
diff --git a/scripts/fan_out_instrument.lua b/scripts/fan_out_instrument.lua
new file mode 100644
index 0000000000..a2561cb428
--- /dev/null
+++ b/scripts/fan_out_instrument.lua
@@ -0,0 +1,62 @@
+ardour { ["type"] = "EditorAction", name = "Fan Out Instrument",
+ license = "MIT",
+ author = "Ardour Team",
+ description = [[Create Busses for every Instrument Output on selected Tracks]]
+}
+
+function factory () return function ()
+
+ local outputs = 2
+ local mst = Session:master_out();
+ if not mst:isnil() then
+ outputs = mst:n_inputs():n_audio()
+ end
+ mst = nil -- drop reference
+
+ local sel = Editor:get_selection ()
+ for r in sel.tracks:routelist ():iter () do
+ local proc = r:the_instrument ():to_insert()
+ if proc:isnil () then
+ print ("Track", r:name(), "does not have an instrumenr plugin")
+ goto next
+ end
+ local plugin = proc:plugin(0);
+
+ if (r:n_outputs ():n_audio() ~= proc:output_streams():n_audio()) then
+ print ("Instrument outputs", proc:output_streams():n_audio(), "do not match track outputs", r:n_outputs ():n_audio())
+ goto next
+ end
+
+ -- collect port-group information, count target bus width
+ local targets = {}
+ for i = 1, proc:output_streams():n_audio() do
+ local pd = plugin:describe_io_port (ARDOUR.DataType("Audio"), false, i - 1)
+ local nn = proc:name() .. " " .. pd.group_name; -- TODO use track-name prefix?
+ targets[nn] = targets[nn] or 0
+ targets[nn] = targets[nn] + 1
+ end
+
+ -- create busses
+ for t,c in pairs (targets) do
+ local rt = Session:route_by_name (t)
+ if rt:isnil () then
+ Session:new_audio_route (c, outputs, nil, 1, t, ARDOUR.PresentationInfo.Flag.AudioBus, ARDOUR.PresentationInfo.max_order)
+ end
+ end
+
+ r:output():disconnect_all(nil)
+ r:panner_shell():set_bypassed(true)
+
+ for i = 1, proc:output_streams():n_audio() do
+ local pd = plugin:describe_io_port (ARDOUR.DataType("Audio"), false, i - 1)
+ local nn = proc:name() .. " " .. pd.group_name;
+ local rt = Session:route_by_name (nn)
+
+ local op = r:output():audio (i - 1)
+ local ip = rt:input():audio (pd.group_channel)
+ op:connect (ip:name())
+ end
+
+ ::next::
+ end
+end end