/// <summary>
/// Initializes a new instance of the <see cref="WaveOutBuffer"/> class.
/// </summary>
/// <param name="deviceHandle">WaveOut device to write to.</param>
/// <param name="bufferSize">Buffer size in bytes.</param>
/// <param name="waveStream">Stream to provide more data.</param>
public WaveOutBuffer(IntPtr deviceHandle, int bufferSize, IWaveProvider waveStream)
{
BufferSize = bufferSize;
Buffer = new byte[BufferSize];
DeviceHandle = deviceHandle;
WaveStream = waveStream;
BufferHandle = GCHandle.Alloc(Buffer, GCHandleType.Pinned);
header = new WaveHeader();
HeaderHandle = GCHandle.Alloc(header, GCHandleType.Pinned);
header.DataBuffer = BufferHandle.AddrOfPinnedObject();
header.BufferLength = bufferSize;
header.Loops = 1;
header.UserData = IntPtr.Zero;
WaveInterop.AllocateHeader(DeviceHandle, header);
}