Initial checkin of mixer store script

diff --git a/scripts/_store_recall_mixer.lua b/scripts/_store_recall_mixer.lua
new file mode 100644 (file)
index 0000000..0a4df73
--- /dev/null
+++ b/scripts/_store_recall_mixer.lua
@@ -0,0 +1,109 @@
+ardour {
+    ["type"] = "EditorAction",
+    name = "Mixer Store",
+    author = "Mixbus Lua Taskforce",
+    description = [[]]
+}
+
+function factory() return function()
+
+    local path = ARDOUR.LuaAPI.build_filename(Session:path(), "export", "params.lua")
+       function mark()
+               local file = io.open(path, "w")
+               file:write("") --empty curent file from last run
+               file:close()
+               for r in Session:get_routes():iter() do
+                       if r:is_monitor () or r:is_auditioner () then goto nextroute end -- skip special routes
+            local route_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.
+            --print(r:gain_control():get_value(), r:trim_control():get_value(), pan)
+            route_str = "instance = {route_id = " .. rid .. ", gain_control = " .. r:gain_control():get_value() .. ", trim_control = " .. r:trim_control():get_value() .. ", pan_control = " .. tostring(pan) .. "}"
+            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)
+                            if not(val == pd.normal) then
+                                params[n] = val
+                            end
+                                               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(ARDOUR.LuaAPI.build_filename (Session:path(), "export", "params.lua"), "r")
+        assert(file, "File not found!")
+               for l in file:lines() do
+            print(l)
+            local plugin, route = false
+                       local f = load(l)
+                       f ()
+
+            if instance["route_id"]  ~= nil then route = true end
+            if instance["plugin_id"] ~= nil then plugin = true end
+
+            if route then
+                local rid = PBD.ID(instance["route_id"])
+                local rt = Session:route_by_id(rid)
+                if rt:isnil() then goto next end
+                local gc, tc, pc, act = instance["gain_control"], instance["trim_control"], instance["pan_control"], instance["active"]
+                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
+            end
+
+            if plugin then
+                local id = PBD.ID(instance["plugin_id"])
+                local proc = Session:processor_by_id(id)
+                if proc:isnil() then goto next end
+                for k, v in pairs(instance["parameters"]) do
+                    ARDOUR.LuaAPI.set_processor_param (proc, k, v)
+                end
+            end
+                   instance = nil
+            ::next::
+               end
+       end
+
+       local dialog_options = {
+        { type = "label", colspan= 10, title = "" },
+        {type = "radio",  colspan= 10, key = "select", title = "", values ={ ["1. Mark"] = "mark", ["2. Recall"] = "recall" }, default = "1. Mark"},
+        { type = "label", colspan= 10, title = "" },
+    }
+
+       local rv = LuaDialog.Dialog("Mixer Store:", dialog_options):run()
+    assert(rv, 'Dialog box was cancelled or is ' .. type(rv))
+    local c = rv["select"]
+    if c == "mark" then mark() end
+    if c == "recall" then recall() end
+
+end end