public WaveBuffer(uint dwSize)
{
this.Data = new byte[(int)dwSize];
this.dataHandle = GCHandle.Alloc(Data, GCHandleType.Pinned);
this.bufferHandle = GCHandle.Alloc(this);
Win32.WaveHeader waveHeader = new Win32.WaveHeader
{
lpData = this.dataHandle.AddrOfPinnedObject(),
dwBufferLength = (uint)this.Data.Length,
dwUser = GCHandle.ToIntPtr(this.bufferHandle)
};
this.pHeader = Marshal.AllocHGlobal(Win32.WaveHeader.SizeOfWaveHeader);
Marshal.StructureToPtr(waveHeader, this.pHeader, true);
}
public static extern int waveInUnprepareHeader(IntPtr hwi, ref Win32.WaveHeader pwh, int cbwh);
public static extern int waveInAddBuffer(IntPtr hwi, ref Win32.WaveHeader pwh, int cbwh);
public static extern int waveOutWrite(IntPtr hwo, ref Win32.WaveHeader pwh, int cbwh);
public static extern int waveOutPrepareHeader(IntPtr hwo, ref Win32.WaveHeader pwh, int cbwh);
public static WaveBuffer FromWaveHeader(Win32.WaveHeader header)
{
return((WaveBuffer)GCHandle.FromIntPtr(header.dwUser).Target);
}