AForge.Video.VFW.AVIWriter.AddFrame C# (CSharp) Метод

        public void AddFrame( Bitmap frameImage )
		{
            lock ( sync )
            {
                // check if AVI file was properly opened
                if ( buffer == IntPtr.Zero )
                    throw new System.IO.IOException( "AVI file should be successfully opened before writing." );

                // check image dimension
                if ( ( frameImage.Width != width ) || ( frameImage.Height != height ) )
                    throw new ArgumentException( "Bitmap size must be of the same as video size, which was specified on opening video file." );

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

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

                int src = imageData.Scan0.ToInt32( ) + srcStride * ( height - 1 );
                int dst = buffer.ToInt32( );

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

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

                // write to stream
                if ( Win32.AVIStreamWrite( streamCompressed, position, 1, buffer,
                    stride * height, 0, IntPtr.Zero, IntPtr.Zero ) != 0 )
                    throw new VideoException( "Failed adding frame." );

                position++;
            }
		}
	}

 private void video_NewFrame(object sender, NewFrameEventArgs eventArgs) //обработчик события NewFrame
 {
     if (!stopzapis)
     {
         Bitmap img = (Bitmap)eventArgs.Frame.Clone();
         writer.AddFrame(img);
     }
 }