/// <summary>
/// Constructor for creating new audioprovider including
/// mixer, oscillators and envelope
/// </summary>
/// <param name="oscNum">Number of oscillators</param>
public AudioProvider(int oscNum)
{
// Fill mixer with oscillators
List<MySignalGenerator> samples = new List<MySignalGenerator>();
for (int i = 0; i < oscNum; i++)
{
oscs.Add(new MySignalGenerator());
samples.Add(oscs[i]);
}
mixer = new MyMixingSampleProvider(samples);
// Default envelope
mixer.env.AttackRate = (44100f);
mixer.env.DecayRate = (44100f);
mixer.env.SustainLevel = (.6f);
mixer.env.ReleaseRate = (44100f);
envOn = false;
// Set buffers and latency
waveOut.NumberOfBuffers = 2;
waveOut.DesiredLatency = 150;
// Pass mixer into waveOut
waveOut.Init(mixer);
if (oscNum <=0 )
{
throw new ArgumentException("Constructor must take at least one oscillator");
}
}
/// <summary>
/// Constructor for assigning latency and buffers
/// </summary>
/// <param name="oscNum">Number of oscillators</param>
/// <param name="buffers">Number of buffers</param>
/// <param name="latency">Desired latency in ms</param>
public AudioProvider(int oscNum, int buffers, int latency)
{
if (oscNum <= 0)
{
throw new ArgumentException("Constructor must take at least one oscillator");
}
// Fill mixer with oscillators
List<MySignalGenerator> samples = new List<MySignalGenerator>();
for (int i = 0; i < oscNum; i++)
{
oscs.Add(new MySignalGenerator());
samples.Add(oscs[i]);
}
mixer = new MyMixingSampleProvider(samples);
// Set default envelope values
mixer.env.AttackRate = (44100f);
mixer.env.DecayRate = (44100f);
mixer.env.SustainLevel = (.6f);
mixer.env.ReleaseRate = (44100);
envOn = false;
if (buffers < 0 || buffers > 8)
{
throw new ArgumentException("Buffer size must be between 0 and 8");
}
if (latency < 0)
{
throw new ArgumentException("Latency must be postive");
}
// Set number of buffers and latency
waveOut.NumberOfBuffers = buffers;
waveOut.DesiredLatency = latency;
// Pass mixer into waveOut
waveOut.Init(mixer);
}
