/// <summary>
 /// Encodes a frame.
 /// </summary>
 /// <seealso cref="IVideoEncoder.EncodeFrame"/>
 public int EncodeFrame(byte[] source, int srcOffset, byte[] destination, int destOffset, out bool isKeyFrame)
 {
     BitmapUtils.FlipVertical(source, srcOffset, destination, destOffset, _height, _width * _bytesPerPixel);
     isKeyFrame = true;
     return(MaxEncodedSize);
 }