79 lines
2.6 KiB
Lua
79 lines
2.6 KiB
Lua
ardour {
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["type"] = "EditorAction",
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name = "Generic MIDI Track",
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description = [[Example]]
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}
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-- If a route_setup function is present in an Editor Action Script
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-- the script is also listed in the "add track/bus" dialog as meta-template
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--
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-- The function is expected to return a Lua table. The table may be empty.
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function route_setup ()
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return
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{
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-- keys control which AddRouteDialog controls are made sensitive.
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-- The following keys accept a default value to pre-seed the dialog.
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['how_many'] = 1,
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['name'] = 'MIDI',
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['channels'] = nil,
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['track_mode'] = nil,
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['strict_io'] = true,
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-- these keys just need to be set (to something other than nil)
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-- in order to set the control sensitives
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['insert_at'] = ARDOUR.PresentationInfo.max_order,
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['group'] = false, -- return value will be a RouteGroup*
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['instrument'] = true, -- return value will be a PluginInfoPtr
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}
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end
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-- The Script can be used as EditorAction in which case it can
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-- optionally provide instantiation parameters
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function action_params ()
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return
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{
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['how_many'] = { title = "How Many tracks to add", default = "1" },
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["name"] = { title = "Track Name Prefix", default = "MIDI" },
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["instrument"] = { title = "Add Instrument", default = "true" },
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}
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end
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function factory (params) return function ()
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-- When called from the AddRouteDialog, 'params' will be a table with
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-- keys as described in route_setup() above.
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local p = params or route_setup ()
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local name = p["name"] or 'Audio'
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local how_many = p["how_many"] or 1
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local insert_at = p["insert_at"] or ARDOUR.PresentationInfo.max_order;
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local group = p["group"] or nil
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local strict_io = p["strict_io"] or false
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local instrument = p["instrument"] or nil
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-- used in 'action-script mode'
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if instrument == "true" then
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instrument = ARDOUR.LuaAPI.new_plugin_info ("http://gareus.org/oss/lv2/gmsynth", ARDOUR.PluginType.LV2) -- general midi synth
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if instrument:isnil () then
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instrument = ARDOUR.LuaAPI.new_plugin_info ("https://community.ardour.org/node/7596", ARDOUR.PluginType.LV2) -- reasonable synth
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end
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if instrument:isnil () then
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LuaDialog.Message ("MIDI track add", "Cannot find instrument plugin",
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LuaDialog.MessageType.Info, LuaDialog.ButtonType.Close):run ()
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return
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end
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end
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-- add no instrument
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if type (instrument) ~= "userdata" then
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instrument = ARDOUR.PluginInfo ()
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end
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Session:new_midi_track(
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ARDOUR.ChanCount(ARDOUR.DataType ("midi"), 1),
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ARDOUR.ChanCount(ARDOUR.DataType ("audio"), 2),
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strict_io,
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instrument, nil,
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group, how_many, name, insert_at, ARDOUR.TrackMode.Normal, true)
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end end
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