/usr/share/ardour5/scripts/s_chanmap.lua is in ardour-data 1:5.12.0-3.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 | ardour { ["type"] = "Snippet", name = "plugin channel-map dev" }
function factory () return function ()
-- first track needs to be stereo and have a stereo plugin
-- (x42-eq with spectrum display, per channel processing,
-- and pre/post visualization is very handy here)
function checksetup (r)
-- fail if Route ID 1 is not present or not stereo
assert (r and not r:isnil())
assert (r:n_inputs():n_audio() == 2)
-- check first Plugin and make sure it is a "Plugin Insert"
if not r:nth_plugin(0):isnil() and not r:nth_plugin(0):to_insert():isnil() then return end
-- insert x42-eq at the top.
local proc = ARDOUR.LuaAPI.new_plugin(Session, "http://gareus.org/oss/lv2/fil4#stereo", ARDOUR.PluginType.LV2, "");
r:add_processor_by_index(proc, 0, nil, true)
end
r = Session:get_remote_nth_route(1)
checksetup (r)
pi = r:nth_plugin(0):to_insert()
pi:set_no_inplace (true)
cm = ARDOUR.ChanMapping()
--cm:set(ARDOUR.DataType("Audio"), 0, 0)
cm:set(ARDOUR.DataType("Audio"), 1, 0)
pi:set_input_map (0, cm)
cm = ARDOUR.ChanMapping()
--cm:set(ARDOUR.DataType("Audio"), 0, 0)
cm:set(ARDOUR.DataType("Audio"), 1, 0)
pi:set_output_map (0, cm)
end end
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