/// <summary>
        /// 播放线程执行方法
        /// </summary>
        private unsafe void DeCoding()
        {
            try
            {
                Console.WriteLine("DeCoding run...");
                //Bitmap oldBmp = null;


                // 更新图片显示
                tstRtmp.ShowBitmap show = (width, height, stride, data) =>
                {
                    //    //    this.Invoke(new MethodInvoker(() =>
                    //    //    {
                    //    //        this.pic.Image = bmp;
                    //    //        if (oldBmp != null)
                    //    //        {
                    //    //            oldBmp.Dispose();
                    //    //        }
                    //    //        oldBmp = bmp;
                    //    //    }));
                    WriteableBitmap Wb  = null;
                    Int32Rect       rec = Int32Rect.Empty;
                    this.Dispatcher.Invoke(new Action(delegate {
                        //this.LiveImg.Source = bmp;

                        //Solution 1: Official Way
                        //IntPtr ptr = bmp.GetHbitmap();
                        //BitmapSource Bs = System.Windows.Interop.Imaging.CreateBitmapSourceFromHBitmap(
                        //        ptr, IntPtr.Zero, Int32Rect.Empty, BitmapSizeOptions.FromEmptyOptions());
                        ////release resource
                        //DeleteObject(ptr);
                        //this.LiveImg.Source = Bs;

                        //Solution 2: Memory Way
                        //BitmapImage Bi = BitmapToBitmapImage(bmp);
                        //LiveLU.Source = Bi;

                        //Solution 3: WriteableBitmap
                        //Low Frame Rate
                        if (Wb == null)
                        {
                            Wb  = new WriteableBitmap(width, height, 96, 96, System.Windows.Media.PixelFormats.Bgr24, null);
                            rec = new Int32Rect(0, 0, width, height);
                        }
                        Wb.Lock();
                        Wb.AddDirtyRect(rec);
                        Wb.WritePixels(rec, data, width * height * 4, stride);
                        //Debug.WriteLine(frameNumber);
                        Wb.Unlock();
                        this.LiveImg.Source = Wb;
                    }));
                };
                rtmp.Start(show, "rtmp://127.0.0.1/live");
            }
            catch (Exception ex)
            {
                Console.WriteLine(ex);
            }
            finally
            {
                Console.WriteLine("DeCoding exit");
                rtmp.Stop();

                thPlayer = null;
                //this.Invoke(new MethodInvoker(() =>
                //{
                //    btnStart.Text = "开始播放";
                //    btnStart.Enabled = true;
                //}));
            }
        }