public Form1()
{
InitializeComponent();
var mainThread = Thread.CurrentThread;
var audioThread = new Thread(() =>
{
var xaDev = new XA.XAudio2();
xaDev.StartEngine();
var wf = new WaveFormat
{
FormatTag = WaveFormatTag.Pcm,
Channels = 2,
BitsPerSample = 16,
BlockAlignment = 4,
SamplesPerSecond = SampleRate,
AverageBytesPerSecond = SampleRate * 4
};
// ReSharper disable once ObjectCreationAsStatement
new XA.MasteringVoice(xaDev, 2, SampleRate, 0);
var xaSv = new XA.SourceVoice(xaDev, wf, XA.VoiceFlags.None);
var xaBuf = new XA.AudioBuffer();
var data = new byte[Samples * 4];
ReadWave(data);
xaBuf.AudioData = new MemoryStream(data, false);
xaBuf.AudioBytes = data.Length;
xaSv.SubmitSourceBuffer(xaBuf);
xaSv.BufferStart += delegate
{
if (!mainThread.IsAlive)
{
return;
}
ReadWave(data);
xaBuf.AudioData.Position = 0;
xaSv.SubmitSourceBuffer(xaBuf);
};
xaSv.Start();
while (mainThread.IsAlive)
{
lock (tones)
{
MidiUpdate();
}
Thread.Sleep(0);
}
xaSv.Stop();
xaSv.Dispose();
xaDev.Dispose();
midi.Dispose();
});
audioThread.Start();
}
public void Pause()
{
lock (mutex)
{
if (sourceVoice != null)
{
if (isPaused)
{
sourceVoice.Start();
isPaused = false;
}
else
{
sourceVoice.Stop();
isPaused = true;
}
}
}
}