- add midi lib

Lib.Midi/Factories/IMidiCommunicationFactory.cs

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+// Author: Gockner, Simon
+// Created: 2021-04-09
+// Copyright(c) 2021 SimonG. All Rights Reserved.
+
+using Lib.Midi.Interfaces;
+
+namespace Lib.Midi.Factories
+{
+    public interface IMidiCommunicationFactory
+    {
+        IMidiCommunication Create();
+    }
+}

Lib.Midi/Factories/IMidiMessageFactory.cs

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+// Author: Gockner, Simon
+// Created: 2021-04-09
+// Copyright(c) 2021 SimonG. All Rights Reserved.
+
+using Lib.Midi.Interfaces;
+using NAudio.Midi;
+
+namespace Lib.Midi.Factories
+{
+    public interface IMidiMessageFactory
+    {
+        IMidiMessage Create(MidiInMessageEventArgs midiInMessageEventArgs);
+    }
+}

Lib.Midi/Interfaces/IMidiCommunication.cs

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+// Author: Gockner, Simon
+// Created: 2021-04-09
+// Copyright(c) 2021 SimonG. All Rights Reserved.
+
+using System;
+
+namespace Lib.Midi.Interfaces
+{
+    public interface IMidiCommunication
+    {
+        void Open();
+        void Close();
+
+        void Send(IMidiMessage message);
+        
+        event EventHandler<IMidiMessage> MessageReceived;
+    }
+}

Lib.Midi/Interfaces/IMidiMessage.cs

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+// Author: Gockner, Simon
+// Created: 2021-04-09
+// Copyright(c) 2021 SimonG. All Rights Reserved.
+
+namespace Lib.Midi.Interfaces
+{
+    public interface IMidiMessage
+    {
+        
+    }
+}

Lib.Midi/Lib.Midi.csproj

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+<Project Sdk="Microsoft.NET.Sdk">
+
+    <PropertyGroup>
+        <TargetFramework>net5.0</TargetFramework>
+        <Nullable>enable</Nullable>
+    </PropertyGroup>
+
+    <ItemGroup>
+      <PackageReference Include="NAudio.Midi" Version="2.0.0" />
+    </ItemGroup>
+
+</Project>

Lib.Midi/MidiCommunication.cs

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+// Author: Gockner, Simon
+// Created: 2021-04-09
+// Copyright(c) 2021 SimonG. All Rights Reserved.
+
+using System;
+using Lib.Midi.Interfaces;
+using NAudio.Midi;
+
+namespace Lib.Midi
+{
+    public class MidiCommunication : IMidiCommunication
+    {
+        private readonly MidiIn _midiIn;
+        private readonly MidiOut _midiOut;
+
+        public MidiCommunication()
+        {
+            _midiIn = new MidiIn(0); //TODO: don't always use device 0?
+            _midiOut = new MidiOut(0);
+        }
+        
+        public void Open()
+        {
+            _midiIn.MessageReceived += OnMidiInMessageReceived;
+            _midiIn.ErrorReceived += OnMidiInErrorReceived;
+            _midiIn.Start();
+        }
+
+        public void Close()
+        {
+            _midiIn.Stop();
+            _midiIn.MessageReceived -= OnMidiInMessageReceived;
+            _midiIn.ErrorReceived -= OnMidiInErrorReceived;
+            
+            _midiIn.Close();
+            _midiOut.Close();
+        }
+
+        public void Send(IMidiMessage message)
+        {
+            
+        }
+
+        private void OnMidiInMessageReceived(object? sender, MidiInMessageEventArgs args)
+        {
+            int i = 0;
+        }
+        
+        private void OnMidiInErrorReceived(object? sender, MidiInMessageEventArgs args)
+        {
+            int i = 0;
+        }
+
+        public event EventHandler<IMidiMessage>? MessageReceived;
+    }
+}

Lib.Midi/MidiMessage.cs

@@ -0,0 +1,17 @@
+// Author: Gockner, Simon
+// Created: 2021-04-09
+// Copyright(c) 2021 SimonG. All Rights Reserved.
+
+using Lib.Midi.Interfaces;
+using NAudio.Midi;
+
+namespace Lib.Midi
+{
+    public class MidiMessage : IMidiMessage
+    {
+        public MidiMessage(MidiInMessageEventArgs midiInMessageEventArgs)
+        {
+            
+        }
+    }
+}