75 lines
2.5 KiB
Lua
75 lines
2.5 KiB
Lua
ardour { ["type"] = "Snippet", name = "Plugin Utils" }
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function factory () return function ()
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-------------------------------------------------------------------------------
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-- List all Plugins
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for p in ARDOUR.LuaAPI.list_plugins():iter() do
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print (p.name, p.unique_id, p.type)
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local psets = p:get_presets()
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if not psets:empty() then
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for pset in psets:iter() do
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print (" - ", pset.label)
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end
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end
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end
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-------------------------------------------------------------------------------
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-- add a Plugin (here LV2) to all mono tracks that contain the pattern "dru"
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-- and load a plugin-preset (if it exists)
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for r in Session:get_routes():iter() do
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if (string.match (r:name(), "dru") and r:n_inputs():n_audio() == 1) then
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local proc = ARDOUR.LuaAPI.new_plugin(Session, "http://gareus.org/oss/lv2/fil4#mono", ARDOUR.PluginType.LV2, "cutbass");
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assert (not proc:isnil())
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r:add_processor_by_index(proc, 0, nil, true)
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end
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end
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-------------------------------------------------------------------------------
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-- load a plugin preset
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local route = Session:get_remote_nth_route(2)
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assert (route)
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-- to 4th plugin (from top), ardour starts counting at zero
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local plugin = route:nth_plugin(3):to_insert():plugin(0)
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assert (not plugin:isnil())
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local ps = plugin:preset_by_label("cutbass") -- get preset by name
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if ps and ps.valid then
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print (ps.uri)
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plugin:load_preset (ps)
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end
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-- query preset
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local lp = plugin:last_preset ()
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print ("valid?", lp.valid, "Preset ID:", lp.uri, "Preset Name:", lp.label, "User Preset (not factory):", lp.user)
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-- list preset of given plugin
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if not psets:empty() then
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for pset in psets:iter() do
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print (" - ", pset.label, pset.uri)
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end
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end
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-- print scale-points of a given plugin-parameter
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local _, pd = plugin:get_parameter_descriptor (3, ARDOUR.ParameterDescriptor())
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local sp = ARDOUR.LuaAPI.desc_scale_points (pd[2]);
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for k, v in pairs(sp) do
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print (k, v)
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end
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-------------------------------------------------------------------------------
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-- add a LuaProcessor (here "Scope") to all tracks
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for t in Session:get_tracks():iter() do
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local pos = 0 -- insert at the top
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-- the following two lines are equivalent
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--local proc = ARDOUR.LuaAPI.new_luaproc(Session, "ACE Inline Scope");
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local proc = ARDOUR.LuaAPI.new_plugin (Session, "ACE Inline Scope", ARDOUR.PluginType.Lua, "");
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assert (not proc:isnil())
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t:add_processor_by_index(proc, pos, nil, true)
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-- optionally set some parameters
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ARDOUR.LuaAPI.set_processor_param (proc, 0, 5) -- timescale 5sec
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end
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end end
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