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livetrax/scripts/addscopes.lua

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Lua
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ardour {
["type"] = "EditorAction",
name = "Add Scopes",
license = "MIT",
author = "Robin Gareus",
email = "robin@gareus.org",
site = "http://gareus.org",
description = [[Add 'Inline Scope' Lua Processor to all Tracks]]
}
function action_params ()
return
{
["unique"] = { title = "Only add Scope if non is present already (yes/no)", default = "yes"},
["position"] = { title = "Insert Position from top (0,..)", default = "0"},
}
end
function factory (params)
return function ()
-- get configuration
local uniq = params["unique"] or "yes"
local pos = params["position"] or 0
-- loop over all tracks
for t in Session:get_tracks():iter() do
local insert = true;
-- check if a scope is already present
if uniq ~= "no" then
local proc;
local i = 0;
repeat
-- get Nth Ardour::Processor
proc = t:nth_plugin (i)
-- check if it's a scope
if (not proc:isnil() and proc:display_name () == "Inline Scope") then
insert = false;
end
i = i + 1
until proc:isnil() or insert == false
end
-- create a new processor and insert it
if insert then
local a = ARDOUR.LuaAPI.new_luaproc(Session, "Inline Scope");
if (not a:isnil()) then
t:add_processor_by_index(a, pos, nil, true)
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ARDOUR.LuaAPI.set_processor_param (a, 0, 5) -- timescale 5sec
-- ARDOUR.LuaAPI.set_processor_param (a, 1, 1) -- logscale on
-- ARDOUR.LuaAPI.set_processor_param (a, 2, 3) -- "Max" height
a = nil -- explicitly drop shared-ptr reference
end
end
end
end
end