ardour/share/scripts/_route_template_generic_audio.lua

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ardour {
["type"] = "EditorAction",
name = "Generic Audio Track",
description = [[Add Audio tracks, by default as many as there are physical inputs]]
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}
-- If a route_setup function is present in an Editor Action Script
-- the script is also listed in the "add track/bus" dialog as meta-template
--
-- The function is expected to return a Lua table. The table may be empty.
function route_setup ()
local e = Session:engine()
local _, t = e:get_backend_ports ("", ARDOUR.DataType("audio"), ARDOUR.PortFlags.IsOutput | ARDOUR.PortFlags.IsPhysical, C.StringVector())
return
{
-- keys control which AddRouteDialog controls are made sensitive.
-- The following keys accept a default value to pre-seed the dialog.
['how_many'] = t[4]:size(),
['name'] = 'Audio',
['channels'] = 2,
['track_mode'] = ARDOUR.TrackMode.Normal,
['strict_io'] = true,
-- these keys just need to be set (to something other than nil)
-- in order to set the control sensitives
['insert_at'] = ARDOUR.PresentationInfo.max_order,
['group'] = false, -- return value will be a RouteGroup*
['instrument'] = nil, -- return value will be a PluginInfoPtr
}
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end
-- The Script can be used as EditorAction in which case it *could*
-- optionally provide instantiation parameters..
--[[
function action_params ()
return
{
['how_many'] = { title = "How Many tracks to add", default = "1" },
["name"] = { title = "Track Name Prefix", default = "Audio" },
}
end
--]]
function factory (p)
-- when used from the AddRouteDialog (or w/action_params)
if type (p) == 'table' and p['how_many'] ~= nil then
return function ()
-- When called from the AddRouteDialog, 'p' will be a table with
-- keys as described in route_setup() above.
local name = p["name"] or 'Audio'
local how_many = p["how_many"] or 1
local channels = p["channels"] or 1
local insert_at = p["insert_at"] or ARDOUR.PresentationInfo.max_order;
local group = p["group"] or nil
local mode = p["track_mode"] or ARDOUR.TrackMode.Normal
local strict_io = p["strict_io"] or false
local chan_out = 0
if ARDOUR.config():get_output_auto_connect() == ARDOUR.AutoConnectOption.AutoConnectMaster then
if not Session:master_out():isnil() then
chan_out = Session:master_out():n_inputs ():n_audio ()
end
end
if chan_out == 0 then
chan_out = channels;
end
local tl = Session:new_audio_track (channels, chan_out, group, how_many, name, insert_at, mode, true)
if strict_io then
for t in tl:iter() do
t:set_strict_io (true)
end
end
end
end
-- when used as standalone (no action parameters): interactive
return function ()
local e = Session:engine()
local _, t = e:get_backend_ports ("", ARDOUR.DataType("audio"), ARDOUR.PortFlags.IsOutput | ARDOUR.PortFlags.IsPhysical, C.StringVector())
local tracks = t[4]:size();
local dialog_options = {
{ type = "number", key = "tracks", title = "Create Tracks", min = 1, max = 128, step = 1, digits = 0, default = tracks },
{ type = "entry", key = "name", default = 'Audio', title = "Name Prefix" },
{ type = "checkbox", key = "stereo", default = false, title = "Stereo" },
{ type = "checkbox", key = "recarm", default = false, title = "Record Arm Tracks" },
}
local dlg = LuaDialog.Dialog ("Create Audio Tracks", dialog_options)
local rv = dlg:run()
if (not rv or rv['tracks'] == 0) then
return
end
local chan_in = stereo and 2 or 1
local chan_out = 0
if ARDOUR.config():get_output_auto_connect() == ARDOUR.AutoConnectOption.AutoConnectMaster then
if not Session:master_out():isnil() then
chan_out = Session:master_out():n_inputs ():n_audio ()
end
end
if chan_out == 0 then
chan_out = chan_in;
end
-- create tracks
local tl = Session:new_audio_track (chan_in, chan_out, nil, rv['tracks'], "", ARDOUR.PresentationInfo.max_order, ARDOUR.TrackMode.Normal)
-- and optionally record-arm them
if rv['recarm'] then
for track in tl:iter() do
track:rec_enable_control ():set_value (1, PBD.GroupControlDisposition.NoGroup)
end
end
end
end