adding packages

2026-01-15 14:38:46 -08:00
parent ef86e3ab6a
commit 6869cf47e5
5253 changed files with 726695 additions and 34 deletions
@@ -0,0 +1,61 @@
+import Cocoa
+import FlutterMacOS
+import AVFoundation
+
+public class FlutterMidiPlugin: NSObject, FlutterPlugin {
+  var message = "Please Send Message"
+  var _arguments = [String: Any]()
+  var au: AudioUnitMIDISynth!
+  
+  public static func register(with registrar: FlutterPluginRegistrar) {
+    let channel = FlutterMethodChannel(name: "flutter_midi", binaryMessenger: registrar.messenger)
+    let instance = FlutterMidiPlugin()
+    registrar.addMethodCallDelegate(instance, channel: channel)
+  }
+
+  public func handle(_ call: FlutterMethodCall, result: @escaping FlutterResult) {
+      switch call.method {
+      case "prepare_midi":
+        let map = call.arguments as? Dictionary<String, String>
+       let data = map?["path"]
+      let url = URL(fileURLWithPath: data!)
+         au = AudioUnitMIDISynth(soundfont: url)
+          print("Valid URL: \(url)")
+        let message = "Prepared Sound Font"
+        result(message)
+    case "change_sound":
+        let map = call.arguments as? Dictionary<String, String>
+        let data = map?["path"]
+        let url = URL(fileURLWithPath: data!)
+        au.prepare(soundfont: url)
+        print("Valid URL: \(url)")
+        let message = "Prepared Sound Font"
+        result(message)
+      case "unmute":
+        do {
+//            try AVAudioSession.sharedInstance().setCategory(AVAudioSessionCategoryPlayback)
+        } catch {
+            print(error)
+        }
+        let message = "unmuted Device"
+        result(message)
+      case "play_midi_note":
+        _arguments = call.arguments as! [String : Any];
+        let midi = _arguments["note"] as? Int
+        let velocity = _arguments["velocity"] as? Int
+        au.playPitch(midi: midi ?? 60, velocity: velocity ?? 64)
+        let message = "Playing: \(String(describing: midi!))"
+        result(message)
+      case "stop_midi_note":
+        _arguments = call.arguments as! [String : Any];
+        let midi = _arguments["note"] as? Int
+        let velocity = _arguments["velocity"] as? Int
+      au.stopPitch(midi: midi ?? 60, velocity: velocity ?? 64)
+        let message = "Stopped: \(String(describing: midi!))"
+        result(message)
+      default:
+        result(FlutterMethodNotImplemented)
+        break
+    }
+  }
+}