public static void Sound()
{
try
{
var generator = new SignalGenerator();
generator.Type = SignalGeneratorType.SawTooth;
generator.Frequency = 2500;
var gameHorn = new WaveOut();
gameHorn.Init(generator.ToWaveProvider());
Task.Run(() =>
{
EventMediator.GetEventMediator().OnGameClockSounding();
gameHorn.Play();
Thread.Sleep(2000);
gameHorn.Stop();
EventMediator.GetEventMediator().OnGameClockSounded();
});
}
catch (System.Exception)
{
SoundPlayer player = new SoundPlayer {
SoundLocation = @"C:\Windows\media\Windows Ringout.wav"
};
Task.Run(() =>
{
player.PlayLooping();
Thread.Sleep(2000);
player.Stop();
});
}
}
private void buttonProcessSample_Click(object sender, EventArgs e)
{
logger.Debug("buttonProcessSample_Click(...)");
try
{
Task.Run(() =>
{
logger.Debug("signal generator start...");
var waveSignalGen = signalGenerator.ToWaveProvider();
var signalFormat = waveSignalGen.WaveFormat;
var bytesPerSecond = signalFormat.AverageBytesPerSecond;
var buffer = new byte[bytesPerSecond / 100];
int count = 10000000;
while (count-- > 0)
{
var sample = MediaFactory.CreateSample();
var mb = MediaFactory.CreateMemoryBuffer(buffer.Length);
{
sample.AddBuffer(mb);
}
sample.SampleDuration = 0;
sample.SampleTime = 0;
var pBuffer = mb.Lock(out int cbMaxLen, out int cbCurLen);
var bytesRead = waveSignalGen.Read(buffer, 0, buffer.Length);
if (bytesRead > 0)
{
Marshal.Copy(buffer, 0, pBuffer, bytesRead);
}
mb.CurrentLength = bytesRead;
mb.Unlock();
audioRenderer?.ProcessSample(sample);
mb?.Dispose();
sample?.Dispose();
Thread.Sleep(9);
logger.Debug("Next sample...");
}
logger.Debug("Signal generator stop...");
});
//index++;
}
catch (Exception ex)
{
logger.Error(ex);
}
}
public SineWaveProvider(int frequency)
{
SigGen = new SignalGenerator()
{
Gain = 0.2,
Frequency = frequency,
Type = SignalGeneratorType.Sin
};
SigGen.ToWaveProvider();
}