KaneAI - World’s First E2E Software Testing Agent.Signup for Private Beta Join TestMu Conference

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

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

VideoRecorder.cs

Source:VideoRecorder.cs

...25        private readonly BlockingCollection<ImageData> _frames;26        private Task _recordTask;27        private bool _shouldRecord;28        private Task _writeTask;29        private DateTime _recordStartTime;30        /// <summary>31        /// Creates the video recorder and starts recording.32        /// </summary>33        /// <param name="settings">The settings used for the recorder.</param>34        /// <param name="captureMethod">The method used for capturing the image which is recorder.</param>35        public VideoRecorder(VideoRecorderSettings settings, Func<VideoRecorder, CaptureImage> captureMethod)36        {37            _settings = settings;38            _captureMethod = captureMethod;39            _frames = new BlockingCollection<ImageData>();40            Start();41        }42        /// <summary>43        /// The path of the video file.44        /// </summary>45        public string TargetVideoPath => _settings.TargetVideoPath;46        /// <summary>47        /// The time since the recording started.48        /// </summary>49        public TimeSpan RecordTimeSpan => DateTime.UtcNow - _recordStartTime;50        private async Task RecordLoop()51        {52            var frameInterval = TimeSpan.FromSeconds(1.0 / _settings.FrameRate);53            var sw = Stopwatch.StartNew();54            var frameCount = 0;55            var totalMissedFrames = 0;56            while (_shouldRecord)57            {58                var timestamp = DateTime.UtcNow;59                if (frameCount > 0)60                {61                    var requiredFrames = (int)Math.Floor(sw.Elapsed.TotalSeconds * _settings.FrameRate);62                    var diff = requiredFrames - frameCount;63                    if (diff >= 5)64                    {65                        Logger.Default.Warn($"Adding many ({diff}) missing frame(s) to \"{Path.GetFileName(TargetVideoPath)}\".");66                    }67                    for (var i = 0; i < diff; ++i)68                    {69                        _frames.Add(ImageData.RepeatImage);70                        ++frameCount;71                        ++totalMissedFrames;72                    }73                }74                using (var img = _captureMethod(this))75                {76                    var image = new ImageData77                    {78                        Data = BitmapToByteArray(img.Bitmap),79                        Width = img.Bitmap.Width,80                        Height = img.Bitmap.Height81                    };82                    _frames.Add(image);83                    ++frameCount;84                }85                var timeTillNextFrame = timestamp + frameInterval - DateTime.UtcNow;86                if (timeTillNextFrame > TimeSpan.Zero)87                {88                    await Task.Delay(timeTillNextFrame);89                }90            }91            if (totalMissedFrames > 0)92            {93                Logger.Default.Warn($"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        }...

UiTestBase.cs

Source:UiTestBase.cs

...93      _testMethodName = methodName;94      _automation = new UIA3Automation();95      var process = new Process96      {97        StartInfo = new ProcessStartInfo98        {99          FileName = AppExePath,100          RedirectStandardOutput = true101        }102      };103      process.Start();104      _application = Application.Attach(process);105            106      EventListener = new DebugEventListener(process.StandardOutput);107      EventListener.Start();108      StartVideoRecorder();109    }110    public void Dispose()111    {112      CurrentInstance = null;113      TakeScreenShot(_testMethodName);114      EventListener?.Stop();115      CloseApplication();116      StopVideoRecorder();117      _automation?.Dispose();118      _automation = null;119    }120    private void CloseApplication()121    {122      _application?.Close();123  124      Retry.WhileFalse(125        () => _application?.HasExited ?? true,126        TimeSpan.FromSeconds(2),127        ignoreException: true128      );129  130      _application?.Dispose();131      _application = null;132    }133    private CaptureImage CaptureImage() => 134      Capture.Rectangle(135        new Rectangle136        {137          X = 0,138          Y = 0,139          Width = MainWindow.BoundingRectangle.Width,140          Height = MainWindow.BoundingRectangle.Height141        }142      );143    private void StartVideoRecorder()144    {145      // move window so it gets captured correctly146      MainWindow.Move(0, 0);147      SystemInfo.RefreshAll();148      var outputDirectory = Path.Combine(RecordingsOutputPath, SanitizeFileName(_testClassName));149      var outputPath = Path.Combine(outputDirectory, $"{SanitizeFileName(_testMethodName)}.mkv");150      _recorder = new VideoRecorder(151        new VideoRecorderSettings152        {153          VideoFormat = VideoFormat.x264,154          VideoQuality = 6,155          TargetVideoPath = outputPath,156          ffmpegPath = FfmpegPath157        },...

Start

Using AI Code Generation

1using FlaUI.Core.Capturing;2using System;3using System.Collections.Generic;4using System.Linq;5using System.Text;6using System.Threading.Tasks;7{8    {9        static void Main(string[] args)10        {11            VideoRecorder.Start("VideoFile");12        }13    }14}

Start

Using AI Code Generation

1using FlaUI.Core.Capturing;2using System;3using System.Collections.Generic;4using System.Linq;5using System.Text;6using System.Threading.Tasks;7using System.Windows.Forms;8{9    {10        public Form1()11        {12            InitializeComponent();13        }14        private void button1_Click(object sender, EventArgs e)15        {16            VideoRecorder.Start();17            MessageBox.Show("Recording Started");18        }19    }20}21using FlaUI.Core.Capturing;22using System;23using System.Collections.Generic;24using System.Linq;25using System.Text;26using System.Threading.Tasks;27using System.Windows.Forms;28{29    {30        public Form1()31        {32            InitializeComponent();33        }34        private void button2_Click(object sender, EventArgs e)35        {36            VideoRecorder.Stop();37            MessageBox.Show("Recording Stopped");38        }39    }40}41using FlaUI.Core.Capturing;42using System;43using System.Collections.Generic;44using System.Linq;45using System.Text;46using System.Threading.Tasks;47using System.Windows.Forms;48{49    {50        public Form1()51        {52            InitializeComponent();53        }54        private void button3_Click(object sender, EventArgs e)55        {56            VideoRecorder.StartRecording();57            MessageBox.Show("Recording Started");58        }59    }60}61using FlaUI.Core.Capturing;62using System;63using System.Collections.Generic;64using System.Linq;65using System.Text;66using System.Threading.Tasks;67using System.Windows.Forms;68{69    {70        public Form1()71        {72            InitializeComponent();73        }74        private void button4_Click(object sender, EventArgs e)75        {76            VideoRecorder.StopRecording();77            MessageBox.Show("Recording Stopped");78        }79    }80}81using FlaUI.Core.Capturing;82using System;

Start

Using AI Code Generation

1using System;2using System.IO;3using System.Threading;4using FlaUI.Core;5using FlaUI.Core.Capturing;6using FlaUI.Core.Definitions;7using FlaUI.Core.Tools;8using FlaUI.UIA3;9{10    {11        static void Main(string[] args)12        {13            using (var automation = new UIA3Automation())14            {15                var app = FlaUI.Core.Application.Launch("notepad.exe");16                var window = app.GetMainWindow(automation);17                var videoRecorder = new VideoRecorder(window, new VideoRecorderOptions18                {19                    VideoPath = Path.Combine(Path.GetTempPath(), "FlaUIRecorder", "Video"),20                    VideoSize = new FlaUI.Core.Capturing.VideoSize(800, 600),21                });22                videoRecorder.Start();23                Thread.Sleep(5000);24                videoRecorder.Stop();25                app.Close();26            }27        }28    }29}

Start

Using AI Code Generation

1using FlaUI.Core.Capturing;2using FlaUI.Core.Definitions;3using FlaUI.Core.Input;4using FlaUI.Core.WindowsAPI;5using System;6using System.Drawing;7using System.Windows.Forms;8{9    {10        public Form1()11        {12            InitializeComponent();13        }14        private void button1_Click(object sender, EventArgs e)15        {16            FlaUI.Core.Application app = FlaUI.Core.Application.Launch(@"C:\Windows\System32\calc.exe");17            var window = app.GetMainWindow(FlaUI.Core.Automation.WindowsFramework.WinForms);18            window.WaitWhileBusy();19            window.Resize(500, 500);20            window.SetPosition(10, 10);21            var recorder = new VideoRecorder();22            recorder.Start(@"c:\temp\test.avi");23            recorder.AddFrame(window.Capture());

Start

Using AI Code Generation

1using FlaUI.Core.Capturing;2using System;3using System.Diagnostics;4using System.IO;5using System.Threading;6{7    {8        static void Main(string[] args)9        {10            Process process = Process.Start("notepad");11            Thread.Sleep(5000);12            string path = Path.Combine(Environment.CurrentDirectory, "Recording");13            if (!Directory.Exists(path))14            {15                Directory.CreateDirectory(path);16            }17            VideoRecorder.Start(Path.Combine(path, "Recording.avi"), 30, process.MainWindow);18            Thread.Sleep(10000);19            VideoRecorder.Stop();20            process.Kill();21        }22    }23}

Start

Using AI Code Generation

1using FlaUI.Core.Capturing;2using System;3using System.IO;4{5    {6        static void Main(string[] args)7        {8            VideoRecorder recorder = new VideoRecorder();9            recorder.Start(Path.Combine(Directory.GetCurrentDirectory(), "video.avi"), 25);10            Console.WriteLine("Press any key to stop recording");11            Console.ReadKey();12            recorder.Stop();13        }14    }15}16using FlaUI.Core.Capturing;17using System;18using System.IO;19{20    {21        static void Main(string[] args)22        {23            VideoRecorder recorder = new VideoRecorder();24            recorder.Start(Path.Combine(Directory.GetCurrentDirectory(), "video.avi"), 25, 10000);25            Console.WriteLine("Press any key to stop recording");26            Console.ReadKey();27            recorder.Stop();28        }29    }30}

Start

Using AI Code Generation

1using System;2using System.IO;3using FlaUI.Core.Capturing;4{5    {6        static void Main(string[] args)7        {8            string path = @"C:\Users\Public\Videos\";9            string fileName = "Video_";10            string fileExtension = ".mp4";11            string fullPath = Path.Combine(path, fileName + DateTime.Now.ToString("yyyy-MM-dd_HH-mm-ss") + fileExtension);12            VideoRecorder.Start(fullPath);13            System.Threading.Thread.Sleep(5000);14            VideoRecorder.Stop();15        }16    }17}

Start

Using AI Code Generation

1using System;2using System.Windows.Forms;3using FlaUI.Core.Capturing;4using FlaUI.Core.Definitions;5using FlaUI.UIA3;6using FlaUI.Core.Input;7using FlaUI.Core.WindowsAPI;8{9    {10        static void Main(string[] args)11        {12            var automation = new UIA3Automation();13            var recorder = new VideoRecorder(automation);14            recorder.Start();15            System.Threading.Thread.Sleep(5000);16            recorder.Stop();17            {18            };19            if (saveFileDialog.ShowDialog() == DialogResult.OK)20            {21                recorder.Save(saveFileDialog.FileName);22            }23        }24    }25}

Automation Testing Tutorials

Learn to execute automation testing from scratch with LambdaTest Learning Hub. Right from setting up the prerequisites to run your first automation test, to following best practices and diving deeper into advanced test scenarios. LambdaTest Learning Hubs compile a list of step-by-step guides to help you be proficient with different test automation frameworks i.e. Selenium, Cypress, TestNG etc.