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 Github

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...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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