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livetrax/scripts/store_recall_mixer.lua

322 lines
10 KiB
Lua

ardour {
["type"] = "EditorAction",
name = "Mixer Store",
author = "Ardour Lua Taskforce",
description = [[Stores the current Mixer state as a file that can be read and recalled arbitrarily.
Supports: processor settings, grouping, mute, solo, gain, trim, pan and processor ordering,
plus re-adding certain deleted plugins.]]
}
function factory() return function()
local invalidate = {}
local path = ARDOUR.LuaAPI.build_filename(Session:path(), "export", "params.lua")
function get_processor_by_name(track, name)
local i = 0
local proc = track:nth_processor(i)
repeat
if ( proc:display_name() == name ) then
return proc
else
i = i + 1
end
proc = track:nth_processor(i)
until proc:isnil()
end
function new_plugin(name)
for x = 0, 6 do
plugin = ARDOUR.LuaAPI.new_plugin(Session, name, x, "")
if not(plugin:isnil()) then return plugin end
end
end
function group_by_id(id)
local id = tonumber(id)
for g in Session:route_groups():iter() do
local group_id = tonumber(g:to_stateful():id():to_s())
if group_id == id then return g end
end
end
function route_groupid_interrogate(t)
local group = false
for g in Session:route_groups():iter() do
for r in g:route_list():iter() do
if r:name() == t:name() then group = g:to_stateful():id():to_s() end
end
end return group
end
function route_group_interrogate(t)
for g in Session:route_groups():iter() do
for r in g:route_list():iter() do
if r:name() == t:name() then return g end
end
end
end
function empty_last_store() --empty current file from last run
local file = io.open(path, "w")
file:write("")
file:close()
end
function mark_tracks(selected)
empty_last_store()
local sel = Editor:get_selection ()
local groups_to_write = {}
local i = 0
local tracks = Session:get_routes()
if selected then tracks = sel.tracks:routelist() end
for r in sel.tracks:routelist():iter() do
local group = route_group_interrogate(r)
if group then groups_to_write[#groups_to_write + 1] = group end
end
for k, g in pairs(groups_to_write) do
local g_route_str, group_str = "", ""
group_str = "instance = {group_id = " .. g:to_stateful():id():to_s() .. ", name = " .. "\"" .. g:name() .. "\"" .. ", routes = {"
for t in g:route_list():iter() do
g_route_str = g_route_str .."[".. i .."] = " .. t:to_stateful():id():to_s() .. ","
i = i + 1
end
group_str = group_str .. g_route_str .. "}}"
if not(group_str == "") then --sometimes there are no groups in the session
file = io.open(path, "a")
file:write(group_str, "\r\n")
file:close()
end
end
for r in tracks:iter() do
if r:is_monitor () or r:is_auditioner () then goto nextroute end -- skip special routes
local order = ARDOUR.ProcessorList()
local x = 0
repeat
local proc = r:nth_processor(x)
if not proc:isnil() then
order:push_back(proc)
end
x = x + 1
until proc:isnil()
local route_str, proc_order_str, cache_str = "", "", ""
local rid = r:to_stateful():id():to_s()
local pan = r:pan_azimuth_control()
if pan:isnil() then pan = false else pan = pan:get_value() end --sometimes a route doesn't have pan, like the master.
local on = 0
for p in order:iter() do
local pid = p:to_stateful():id():to_s()
if not(string.find(p:display_name(), "latcomp")) then
proc_order_str = proc_order_str .. "[" .. on .. "] = " .. pid ..","
cache_str = cache_str .. "[" .. pid .. "] = " .. "\"" .. p:display_name() .. "\"" ..","
end
on = on + 1
end
route_str = "instance = {route_id = " .. rid .. ", route_name = " .. r:name() .. ", gain_control = " .. r:gain_control():get_value() .. ", trim_control = " .. r:trim_control():get_value() .. ", pan_control = " .. tostring(pan) .. ", muted = " .. tostring(r:muted()) .. ", soloed = " .. tostring(r:soloed()) .. ", order = {" .. proc_order_str .."}, cache = {" .. cache_str .. "}, group = " .. tostring(route_groupid_interrogate(r)) .. "}"
file = io.open(path, "a")
file:write(route_str, "\r\n")
file:close()
local i = 0
while true do
local params = {}
local proc_str, params_str = "", ""
local proc = r:nth_plugin (i)
if proc:isnil () then break end
local active = proc:active()
local id = proc:to_stateful():id():to_s()
local plug = proc:to_insert ():plugin (0)
local n = 0 -- count control-ports
for j = 0, plug:parameter_count () - 1 do -- iterate over all plugin parameters
if plug:parameter_is_control (j) then
local label = plug:parameter_label (j)
if plug:parameter_is_input (j) and label ~= "hidden" and label:sub (1,1) ~= "#" then
local _, _, pd = ARDOUR.LuaAPI.plugin_automation(proc, n)
local val = ARDOUR.LuaAPI.get_processor_param(proc, j, true)
--print(r:name(), "->", proc:display_name(), label, val)
params[n] = val
end
n = n + 1
end
end
i = i + 1
for k, v in pairs(params) do
params_str = params_str .. "[".. k .."] = " .. v .. ","
end
proc_str = "instance = {plugin_id = " .. id .. ", parameters = {" .. params_str .. "}, active = " .. tostring(active) .. "}"
file = io.open(path, "a")
file:write(proc_str, "\r\n")
file:close()
end
::nextroute::
end
end
function recall()
local file = io.open(path, "r")
assert(file, "File not found!")
for l in file:lines() do
--print(l)
local plugin, route, group = false, false, false
local f = load(l)
f ()
if instance["route_id"] then route = true end
if instance["plugin_id"] then plugin = true end
if instance["group_id"] then group = true end
if group then
local g_id = instance["group_id"]
local routes = instance["routes"]
local name = instance["name"]
local group = group_by_id(g_id)
if not(group) then group = Session:new_route_group(name) end
for k, v in pairs(routes) do
local rt = Session:route_by_id(PBD.ID(v))
if not(rt:isnil()) then group:add(rt) end
end
end
if route then
local old_order = ARDOUR.ProcessorList()
local r_id = PBD.ID(instance["route_id"])
local muted, soloed = instance["muted"], instance["soloed"]
local order = instance["order"]
local cache = instance["cache"]
local group = instance["group"]
local name = instance["route_name"]
local gc, tc, pc = instance["gain_control"], instance["trim_control"], instance["pan_control"]
local rt = Session:route_by_id(r_id)
if rt:isnil() then rt = Session:route_by_name(name) end
if rt:isnil() then goto nextline end
local cur_group_id = route_groupid_interrogate(rt)
if not(group) and (cur_group_id) then
local g = group_by_id(cur_group_id)
if g then g:remove(rt) end
end
well_known = {'PRE', 'Trim', 'EQ', 'Comp', 'Fader', 'POST'}
for k, v in pairs(order) do
local proc = Session:processor_by_id(PBD.ID(v))
if proc:isnil() then
for id, name in pairs(cache) do
if v == id then
proc = new_plugin(name)
for _, control in pairs(well_known) do
if name == control then
proc = get_processor_by_name(rt, control)
invalidate[v] = proc:to_stateful():id():to_s()
goto nextproc
end
end
if not(proc) then goto nextproc end
if not(proc:isnil()) then
rt:add_processor_by_index(proc, 0, nil, true)
invalidate[v] = proc:to_stateful():id():to_s()
end
end
end
end
::nextproc::
if proc and not(proc:isnil()) then old_order:push_back(proc) end
end
if muted then rt:mute_control():set_value(1, 1) else rt:mute_control():set_value(0, 1) end
if soloed then rt:solo_control():set_value(1, 1) else rt:solo_control():set_value(0, 1) end
rt:gain_control():set_value(gc, 1)
rt:trim_control():set_value(tc, 1)
if pc ~= false then rt:pan_azimuth_control():set_value(pc, 1) end
rt:reorder_processors(old_order, nil)
end
if plugin then
local enable = {}
local params = instance["parameters"]
local p_id = instance["plugin_id"]
local act = instance["active"]
for k, v in pairs(invalidate) do --invalidate any deleted plugin's id
if p_id == k then
p_id = v
end
end
local proc = Session:processor_by_id(PBD.ID(p_id))
if proc:isnil() then goto nextline end
local plug = proc:to_insert():plugin(0)
for k, v in pairs(params) do
local label = plug:parameter_label(k)
if string.find(label, "Assign") or string.find(label, "Enable") then --@ToDo: Check Plugin type == LADSPA or VST?
enable[k] = v --queue any assignments/enables for after the initial parameter recalling to duck the 'in-on-change' feature
end
ARDOUR.LuaAPI.set_processor_param(proc, k, v)
end
for k, v in pairs(enable) do
ARDOUR.LuaAPI.set_processor_param(proc, k, v)
end
if act then proc:activate() else proc:deactivate() end
end
::nextline::
end
end
local dialog_options = {
{ type = "label", colspan = 5, title = "" },
{ type = "radio", col = 1, colspan = 7, key = "select", title = "", values ={ ["Store"] = "store", ["Recall"] = "recall" }, default = "Store"},
{ type = "label", colspan = 5, title = "" },
}
local store_options = {
{ type = "label", colspan = 5, title = "" },
{ type = "checkbox", col=1, colspan = 1, key = "selected", default = false, title = "Selected tracks only"},
{ type = "entry", col=2, colspan = 10, key = "filename", default = "params", title = "Store name" },
{ type = "label", colspan = 5, title = "" },
}
local recall_options = {
{ type = "label", colspan = 5, title = "" },
{ type = "file", col =1, colspan = 10, key = "file", title = "Select a File", path = ARDOUR.LuaAPI.build_filename(Session:path(), "export", "params.lua") },
{ type = "label", colspan = 5, title = "" },
}
local rv = LuaDialog.Dialog("Mixer Store:", dialog_options):run()
if rv then
local choice = rv["select"]
if choice == "store" then
local srv = LuaDialog.Dialog("Mixer Store:", store_options):run()
if srv then
empty_last_store() --ensures that params.lua will exist for the recall dialog
path = ARDOUR.LuaAPI.build_filename(Session:path(), "export", srv["filename"] .. ".lua")
mark_tracks(srv['selected'])
end
end
if choice == "recall" then
local rrv = LuaDialog.Dialog("Mixer Store:", recall_options):run()
if rrv then
if rrv['file'] ~= path then path = rrv['file'] end
recall()
end
end
end
collectgarbage()
end end