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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}

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