static void Main(string[] args)
{
var output = new SoundioOutput();
for (var i = 0; i < output.Devices.Count; i++)
{
Console.WriteLine($"[{i}] {output.Devices[i].Name}");
}
Console.Write("Device Index > ");
var outputIndex = int.Parse(Console.ReadLine());
Console.Write("Latency(ms) > ");
var intervalMs = Double.Parse(Console.ReadLine());
output.DesiredLatency = TimeSpan.FromMilliseconds(intervalMs);
output.Initialize(output.Devices[outputIndex], new AudioFormat(48000, 1, 16));
Output = output;
Console.WriteLine("Output device initialized");
Console.WriteLine($"Actual Latency : {output.ActualLatency.TotalMilliseconds}ms");
Source = new PeriodicFunctionsSource(output.Format.SampleRate)
{
Function = FunctionType.Sin,
Volume = 1,
};
var midi = new MidiPlayer(output.Format.SampleRate, new Synthesizer(output.Format.SampleRate));
midi.OscillatorConfigs.Add(new Oscillator()
{
Function = KSynthesizer.Sources.FunctionType.Sin, Volume = 0.3f
});
midi.Open(MidiFile.Read("sample.mid"));
Source.SetFrequency(Frequency);
RecordFilter = new RecordFilter(midi);
Output.Buffer += OutputOnBuffer;
Output.Play();
Console.WriteLine("Player started");
bool exit = false;
while (!exit)
{
var key = Console.ReadKey();
Console.WriteLine();
switch (key.Key)
{
case ConsoleKey.P:
Playing = !Playing;
Console.WriteLine(Playing ? "Resumed" : "Paused");
break;
case ConsoleKey.R:
if (RecordFilter.IsRecording)
{
RecordFilter.StopRecording();
}
else
{
var now = DateTime.Now;
var name = $"{now.Ticks}.wav";
RecordFilter.StartRecording(new FileStream(name, FileMode.Create, FileAccess.Write), true, false);
Console.WriteLine("Output : " + name);
}
Console.WriteLine(RecordFilter.IsRecording ? "Recording Started" : "Recording Stopped");
break;
case ConsoleKey.UpArrow:
Frequency += 100;
Source.SetFrequency(Frequency);
Console.WriteLine($"Frequency : {Frequency}Hz");
break;
case ConsoleKey.DownArrow:
Frequency -= 100;
if (Frequency <= 300)
{
Frequency = 300;
}
Source.SetFrequency(Frequency);
Console.WriteLine($"Frequency : {Frequency}Hz");
break;
case ConsoleKey.Escape:
exit = true;
break;
default:
Console.WriteLine("Unknown Key");
break;
}
}
output.Dispose();
Console.WriteLine("Exited");
}
