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