AForge.Video.DirectShow.FileVideoSource.Grabber.BufferCB C# (CSharp) Метод

            public int BufferCB( double sampleTime, IntPtr buffer, int bufferLen )
            {
                if ( parent.NewFrame != null )
                {
                    // create new image
                    System.Drawing.Bitmap image = new Bitmap( width, height, PixelFormat.Format24bppRgb );

                    // lock bitmap data
                    BitmapData imageData = image.LockBits(
                        new Rectangle( 0, 0, width, height ),
                        ImageLockMode.ReadWrite,
                        PixelFormat.Format24bppRgb );

                    // copy image data
                    int srcStride = imageData.Stride;
                    int dstStride = imageData.Stride;

                    unsafe
                    {
                        byte* dst = (byte*) imageData.Scan0.ToPointer( ) + dstStride * ( height - 1 );
                        byte* src = (byte*) buffer.ToPointer( );

                        for ( int y = 0; y < height; y++ )
                        {
                            Win32.memcpy( dst, src, srcStride );
                            dst -= dstStride;
                            src += srcStride;
                        }
                    }

                    // unlock bitmap data
                    image.UnlockBits( imageData );

                    // notify parent
                    parent.OnNewFrame( image );

                    // release the image
                    image.Dispose( );
                }

                return 0;
            }
        }