Update mixer Store/Recall to work with new published bus controls

scripts/mixer_settings_recall.lua

@@ -159,7 +159,8 @@ function factory ()
 				local group = instance["group"]
 				local group_name = instance["group_name"]
 				local name  = instance["route_name"]
-				local gc, tc, pc = instance["gain_control"], instance["trim_control"], instance["pan_control"]
+                local gc, tc, pc = instance["gain_control"], instance["trim_control"], instance["pan_control"]
+                local sends = instance["sends"]
 
 				if not(substitution == instance["route_id"]) then
 					print('SUBSTITUTION FOR: ', name, substitution, Session:route_by_id(PBD.ID(substitution)):name())
@@ -170,7 +171,29 @@ function factory ()
 
 				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
+                if rt:isnil() then goto nextline end
+                
+                if sends then
+                    for i, data in pairs(sends) do
+                        i = i-1
+                        for j, ctrl in pairs({
+                            rt:send_level_controllable(i),
+                            rt:send_enable_controllable(i),
+                            rt:send_pan_azimuth_controllable(i),
+                            rt:send_pan_azimuth_enable_controllable(i),
+                        }) do
+                            if not(ctrl:isnil()) then
+                                local value = data[j]
+                                if value then
+                                    if debug then
+                                        print("Setting " .. ctrl:name() .. " to value " .. value)
+                                    end
+                                    ctrl:set_value(value, PBD.GroupControlDisposition.NoGroup)
+                                end
+                            end
+                        end
+                    end
+                end
 
 				local cur_group_id = route_groupid_interrogate(rt)
 				if not(group) and (cur_group_id) then

scripts/mixer_settings_store.lua

@@ -125,34 +125,35 @@ function factory () return function ()
 		empty_last_store(path)
 
 		local route_string = [[instance = {
-			 route_id = %d,
+            route_id = %d,
-			 route_name = '%s',
+            route_name = '%s',
-			 gain_control = %s,
+            gain_control = %s,
-			 trim_control = %s,
+            trim_control = %s,
-			 pan_control = %s,
+            pan_control = %s,
-			 muted = %s,
+            sends = {%s},
-			 soloed = %s,
+            muted = %s,
-			 order = {%s},
+            soloed = %s,
-			 cache = {%s},
+            order = {%s},
-			 group = %s,
+            cache = {%s},
-			 group_name = '%s',
+            group = %s,
-			 pi_order = %d
+            group_name = '%s',
+            pi_order = %d
 		}]]
 
 		local group_string = [[instance = {
-			 group_id = %s,
+            group_id = %s,
-			 name = '%s',
+            name = '%s',
-			 routes = {%s},
+            routes = {%s},
 		}]]
 
 		local processor_string = [[instance = {
-			 plugin_id = %d,
+            plugin_id = %d,
-			 type = %d,
+            type = %d,
-			 display_name = '%s',
+            display_name = '%s',
-			 owned_by_route_name = '%s',
+            owned_by_route_name = '%s',
-			 owned_by_route_id = %d,
+            owned_by_route_id = %d,
-			 parameters = {%s},
+            parameters = {%s},
-			 active = %s,
+            active = %s,
 		}]]
 
 		local group_route_string = " [%d] = %s,"
@@ -161,9 +162,9 @@ function factory () return function ()
 		local params_string      = " [%d] = %s,"
 
 		--ensure easy-to-read formatting doesn't make it through
-		local route_string     = string.gsub(route_string, "[\n\t]", "")
+		local route_string     = string.gsub(route_string, "[\n\t%s]", "")
-		local group_string     = string.gsub(group_string, "[\n\t]", "")
+		local group_string     = string.gsub(group_string, "[\n\t%s]", "")
-		local processor_string = string.gsub(processor_string, "[\n\t]", "")
+		local processor_string = string.gsub(processor_string, "[\n\t%s]", "")
 
 		local sel = Editor:get_selection ()
 		local groups_to_write = {}
@@ -225,7 +226,33 @@ function factory () return function ()
 			if route_group then route_group = route_group:name() else route_group = "" end
 			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.
+            if pan:isnil() then pan = false else pan = pan:get_value() end --sometimes a route doesn't have pan, like the master.
+
+            -- Get send information, if any.
+            local send_string = ""
+            local i = 0
+            repeat
+                local fmt = "{%s, %s, %s, %s}"
+                string.gsub(fmt, "[\n\t]", "")
+                local values = {}
+                for j, ctrl in pairs({
+                    r:send_level_controllable(i),
+                    r:send_enable_controllable(i),
+                    r:send_pan_azimuth_controllable(i),
+                    r:send_pan_azimuth_enable_controllable(i),
+                }) do
+                    if not(ctrl:isnil()) then
+                        values[#values + 1] = ctrl:get_value()
+                    else
+                        values[#values + 1] = "nil"
+                    end
+                end
+                send_string = send_string .. string.format(fmt, table.unpack(values))
+                send_string = send_string .. ","
+                i = i + 1
+            until r:send_enable_controllable(i):isnil()
+
+            print(send_string)
 
 			local order_nmbr = 0
 			local tmp_order_str, tmp_cache_str = "", ""
@@ -250,7 +277,8 @@ function factory () return function ()
 					r:name(),
 					ARDOUR.LuaAPI.ascii_dtostr(r:gain_control():get_value()),
 					ARDOUR.LuaAPI.ascii_dtostr(r:trim_control():get_value()),
-					tostring(pan),
+                    tostring(pan),
+                    send_string,
 					r:muted(),
 					r:soloed(),
 					tmp_order_str,