add multichorus cmd

src/lang.zig

@@ -39,6 +39,7 @@ pub const CommandType = enum {
     Invert,
     TapeDelay,
     ModDelay,
+    MultiChorus,
 
     Noise,
     WildNoise,
@@ -207,6 +208,7 @@ pub const Lang = struct {
         _ = try self.keywords.put("invert", .Invert);
         _ = try self.keywords.put("tapedelay", .TapeDelay);
         _ = try self.keywords.put("moddelay", .ModDelay);
+        _ = try self.keywords.put("multichorus", .MultiChorus);
 
         // custom implementations (not lv2)
         _ = try self.keywords.put("noise", .Noise);

src/printer.zig

@@ -33,6 +33,7 @@ pub fn printList(list: langs.CommandList, stream: var) !void {
             .Invert => "invert",
             .TapeDelay => "tapedelay",
             .ModDelay => "moddelay",
+            .MultiChorus => "multichorus",
 
             .Noise => "noise",
             .WildNoise => "wildnoise",

src/runner.zig

@@ -359,6 +359,11 @@ pub const Runner = struct {
         try image.runPlugin("http://plugin.org.uk/swh-plugins/modDelay", pos, params);
     }
 
+    fn multichorusCmd(self: *Runner, pos: Position, params: ParamList) !void {
+        var image = try self.getImage();
+        try image.runPlugin("http://calf.sourceforge.net/plugins/MultiChorus", pos, params);
+    }
+
     fn runCommand(self: *Runner, cmd: *lang.Command) !void {
         var params = ParamList.init(self.allocator);
         defer params.deinit();
@@ -675,6 +680,26 @@ pub const Runner = struct {
                 try self.moddelayCmd(pos, params);
             },
 
+            .MultiChorus => {
+                const pos = try cmd.consumePosition();
+                try cmd.appendParam(&params, "min_delay");
+                try cmd.appendParam(&params, "mod_depth");
+                try cmd.appendParam(&params, "mod_rate");
+                try cmd.appendParam(&params, "stereo");
+                try cmd.appendParam(&params, "voices");
+                try cmd.appendParam(&params, "vphase");
+                try cmd.appendParam(&params, "amount");
+                try cmd.appendParam(&params, "dry");
+                try cmd.appendParam(&params, "freq");
+                try cmd.appendParam(&params, "freq2");
+                try cmd.appendParam(&params, "q");
+                try cmd.appendParam(&params, "overlap");
+                try cmd.appendParam(&params, "level_in");
+                try cmd.appendParam(&params, "level_out");
+                try cmd.appendParam(&params, "lfo");
+                try self.multichorusCmd(pos, params);
+            },
+
             else => blk: {
                 std.debug.warn("Unsupported command: {}\n", .{cmd.command});
                 break :blk RunError.UnknownCommand;