private unsafe Rectangle[] DetectFaces(Bitmap frame)
{
BitmapData data = frame.LockBits(new Rectangle(Point.Empty, frame.Size), ImageLockMode.ReadOnly, PixelFormat.Format24bppRgb);
try
{
return(nat.detectFaces(data.Scan0.ToPointer(), data.Width, data.Height, data.Stride));
}
finally
{
frame.UnlockBits(data);
}
}