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How to use BitmapToByteArray method of FlaUI.Core.Capturing.VideoRecorder class

Best FlaUI code snippet using FlaUI.Core.Capturing.VideoRecorder.BitmapToByteArray

VideoRecorder.cs

Source:VideoRecorder.cs

...74                using (var img = _captureMethod(this))75                {76                    var image = new ImageData77                    {78                        Data = BitmapToByteArray(img.Bitmap),79                        Width = img.Bitmap.Width,80                        Height = img.Bitmap.Height81                    };82                    _frames.Add(image);83                    ++frameCount;84                }85                var timeTillNextFrame = timestamp + frameInterval - DateTime.UtcNow;86                if (timeTillNextFrame > TimeSpan.Zero)87                {88                    await Task.Delay(timeTillNextFrame);89                }90            }91            if (totalMissedFrames > 0)92            {93                Logger.Default.Warn($"Totally added {totalMissedFrames} missing frame(s) to \"{Path.GetFileName(TargetVideoPath)}\".");94            }95        }96        private void WriteLoop()97        {98            var videoPipeName = $"flaui-capture-{Guid.NewGuid()}";99            var ffmpegIn = new NamedPipeServerStream(videoPipeName, PipeDirection.Out, 1, PipeTransmissionMode.Byte, PipeOptions.Asynchronous, 10000, 10000);100            const string pipePrefix = @"\\.\pipe\";101            Process ffmpegProcess = null;102            var isFirstFrame = true;103            ImageData lastImage = null;104            while (!_frames.IsCompleted)105            {106                _frames.TryTake(out var img, -1);107                if (img == null)108                {109                    // Happens when the queue is marked as completed110                    continue;111                }112                if (isFirstFrame)113                {114                    isFirstFrame = false;115                    Directory.CreateDirectory(new FileInfo(TargetVideoPath).Directory.FullName);116                    var videoInFormat = _settings.UseCompressedImages ? "" : "-f rawvideo"; // Used when sending raw bitmaps to the pipe117                    var videoInArgs = $"-framerate {_settings.FrameRate} {videoInFormat} -pix_fmt rgb32 -video_size {img.Width}x{img.Height} -i {pipePrefix}{videoPipeName}";118                    var videouOutCodec = _settings.VideoFormat == VideoFormat.x264119                        ? $"-c:v libx264 -crf {_settings.VideoQuality} -pix_fmt yuv420p -preset ultrafast"120                        : $"-c:v libxvid -qscale:v {_settings.VideoQuality}";121                    var videoOutArgs = $"{videouOutCodec} -r {_settings.FrameRate} -vf \"scale={img.Width.Even()}:{img.Height.Even()}\"";122                    ffmpegProcess = StartFFMpeg(_settings.ffmpegPath, $"-y -hide_banner -loglevel warning {videoInArgs} {videoOutArgs} \"{TargetVideoPath}\"");123                    ffmpegIn.WaitForConnection();124                }125                if (img.IsRepeatFrame)126                {127                    // Repeat the last frame128                    ffmpegIn.WriteAsync(lastImage.Data, 0, lastImage.Data.Length);129                }130                else131                {132                    // Write the received frame and save it as last image133                    ffmpegIn.WriteAsync(img.Data, 0, img.Data.Length);134                    if (lastImage != null)135                    {136                        lastImage.Dispose();137                        lastImage = null;138                        GC.Collect();139                    }140                    lastImage = img;141                }142            }143            ffmpegIn.Flush();144            ffmpegIn.Close();145            ffmpegIn.Dispose();146            ffmpegProcess?.WaitForExit();147        }148        /// <summary>149        /// Starts recording.150        /// </summary>151        private void Start()152        {153            _shouldRecord = true;154            _recordStartTime = DateTime.UtcNow;155            _recordTask = Task.Factory.StartNew(async () => await RecordLoop(), TaskCreationOptions.LongRunning);156            _writeTask = Task.Factory.StartNew(WriteLoop, TaskCreationOptions.LongRunning);157        }158        /// <summary>159        /// Stops recording and finishes the video file.160        /// </summary>161        public void Stop()162        {163            if (_recordTask != null)164            {165                _shouldRecord = false;166                _recordTask.Wait();167                _recordTask = null;168            }169            _frames.CompleteAdding();170            if (_writeTask != null)171            {172                try173                {174                    _writeTask.Wait();175                    _writeTask = null;176                }177                catch (Exception ex)178                {179                    Logger.Default.Warn(ex.Message, ex);180                }181            }182        }183        public void Dispose()184        {185            Stop();186        }187        private Process StartFFMpeg(string exePath, string arguments)188        {189            var process = new Process190            {191                StartInfo =192                    {193                        FileName = exePath,194                        Arguments = arguments,195                        UseShellExecute = false,196                        CreateNoWindow = true,197                        RedirectStandardError = true,198                        RedirectStandardInput = true,199                        RedirectStandardOutput = true,200                    },201                EnableRaisingEvents = true202            };203            process.OutputDataReceived += OnProcessDataReceived;204            process.ErrorDataReceived += OnProcessDataReceived;205            process.Start();206            if (_settings.EncodeWithLowPriority)207            {208                process.PriorityClass = ProcessPriorityClass.BelowNormal;209            }210            process.BeginErrorReadLine();211            return process;212        }213        private void OnProcessDataReceived(object s, DataReceivedEventArgs e)214        {215            if (!String.IsNullOrWhiteSpace(e.Data))216            {217                Logger.Default.Info(e.Data);218            }219        }220        private byte[] BitmapToByteArray(Bitmap bitmap)221        {222            using (var stream = new MemoryStream())223            {224                bitmap.Save(stream, _settings.UseCompressedImages ? ImageFormat.Png : ImageFormat.Bmp);225                return stream.ToArray();226            }227            // Previous way228            BitmapData bmpdata = null;229            try230            {231                bmpdata = bitmap.LockBits(new Rectangle(0, 0, bitmap.Width, bitmap.Height), ImageLockMode.ReadOnly, PixelFormat.Format32bppArgb);232                var numbytes = Math.Abs(bmpdata.Stride) * bitmap.Height;233                var bytedata = new byte[numbytes];234                var ptr = bmpdata.Scan0;...

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