static void Main(string[] args) { var options = new CommandLineOptions(); if (!CommandLine.Parser.Default.ParseArguments(args, options)) { // Display the default usage information //Console.WriteLine(options.GetUsage()); return; } if (!File.Exists(options.InputFile)) { Console.WriteLine("Source file not found: " + options.InputFile + "."); return; } VFPAnalyzer.SetLicenseKey(options.LicenseKey); var engine = VFSimplePlayerEngine.LAV; if (!string.IsNullOrEmpty(options.Engine)) { switch (options.Engine.Trim()) { case "directshow": engine = VFSimplePlayerEngine.DirectShow; break; case "ffmpeg": engine = VFSimplePlayerEngine.FFMPEG; break; case "lav": engine = VFSimplePlayerEngine.LAV; break; } } Console.WriteLine("Analyzing..."); var time = DateTime.Now; var mediaPlayer = new SimplePlayer(null) { Filename = options.InputFile, Video_Renderer = VFVideoRendererInternal.None }; if (Path.GetExtension(options.InputFile)?.ToLowerInvariant() == ".wmv") { engine = VFSimplePlayerEngine.DirectShow; } mediaPlayer.Engine = engine; mediaPlayer.MaximalSpeedPlayback = true; //if (!string.IsNullOrEmpty(DebugDir)) //{ // mediaPlayer.Debug_Dir = DebugDir; // mediaPlayer.Debug_Mode = true; //} var mediaInfo = new MediaInfoReader { Filename = options.InputFile }; mediaInfo.ReadFileInfo(true); VFPSearchData[] dataList = new VFPSearchData[options.Count]; string error1 = string.Empty; bool inUse = true; bool error = false; // check for hang or something long frameNumber = 0; int sourceWidth = 0; int sourceHeight = 0; int index = 0; long minusTime = 0; mediaPlayer.OnVideoFrame += delegate(object sender, SampleGrabberBufferCBEventArgs e) { if (!inUse) { return; } long timestamp = (long)(e.SampleTime * 1000); timestamp -= minusTime; if (timestamp >= options.Duration) { Console.WriteLine($"Started new fragment at {minusTime}"); index++; minusTime = (long)(e.SampleTime * 1000); timestamp -= minusTime; } if (index >= options.Count) { inUse = false; return; } if (e.SampleTime < options.Duration * options.Count) { frameNumber++; sourceWidth = e.Width; sourceHeight = e.Height; if (dataList[index] == null) { dataList[index] = new VFPSearchData(TimeSpan.FromMilliseconds(options.Duration)); } VFPSearch.Process( e.Buffer, e.Width, e.Height, ImageHelper.GetStrideRGB24(e.Width), TimeSpan.FromMilliseconds(timestamp), ref dataList[index]); } else { inUse = false; } }; mediaPlayer.OnStop += delegate { inUse = false; }; mediaPlayer.OnError += delegate(object sender, ErrorsEventArgs e) { if (e.Message.Contains("FULL")) { return; } if (e.Level == DebugLevel.Error) { error = true; inUse = false; error1 = e.Message + " | " + e.CallSite; } }; mediaPlayer.Start(); while (inUse && !error) { Thread.Sleep(100); Application.DoEvents(); } mediaPlayer.Stop(); Debug.WriteLine($"Processed {frameNumber} frame for file {options.InputFile}."); if (!error) { for (var i = 0; i < dataList.Length; i++) { var data = dataList[i]; if (data == null) { break; } IntPtr p = VFPSearch.Build(out var n, ref data); VFPFingerPrint fvp = new VFPFingerPrint() { // ReSharper disable once ExceptionNotDocumented Data = new byte[n], OriginalFilename = options.InputFile, OriginalDuration = TimeSpan.FromMilliseconds(options.Duration), Duration = TimeSpan.FromMilliseconds(options.Duration), ID = Guid.NewGuid(), Width = sourceWidth, Height = sourceHeight, FrameRate = mediaInfo.Video_FrameRate(0) }; Marshal.Copy(p, fvp.Data, 0, (int)n); data.Free(); var newFilename = $"{options.InputFile}_segment{i}.vfsigx"; fvp.Save(newFilename); } } else { Debug.WriteLine($"Error: {error1}."); } mediaPlayer.Dispose(); var elapsed = DateTime.Now - time; Console.WriteLine("Analyze finished. Elapsed time: " + elapsed.ToString("g")); }
private void btStart_Click(object sender, RoutedEventArgs e) { if ((string)btStart.Content == "Stop") { _stopFlag = true; Thread.Sleep(500); _videoCapture?.Stop(); _videoPlayer?.Stop(); Thread.Sleep(500); ProcessVideoDelegateMethod(); btStart.Content = "Start"; lbStatus.Content = string.Empty; if (_tempBuffer != IntPtr.Zero) { Marshal.FreeCoTaskMem(_tempBuffer); _tempBuffer = IntPtr.Zero; } pnScreen.BeginInit(); pnScreen.Source = null; pnScreen.EndInit(); } else { _stopFlag = false; btStart.IsEnabled = false; lbStatus.Content = "Step 1: Searching video files"; _fragmentCount = 0; _overlapFragmentCount = 0; var engine = VFSimplePlayerEngine.LAV; switch (cbEngine.SelectedIndex) { case 0: engine = VFSimplePlayerEngine.DirectShow; break; case 1: engine = VFSimplePlayerEngine.FFMPEG; break; case 2: engine = VFSimplePlayerEngine.LAV; break; } var adList = new List <string>(); _adVFPList = new List <VFPFingerPrint>(); foreach (string item in lbAdFiles.Items) { adList.Add(item); } lbStatus.Content = "Step 2: Getting fingerprints for ads files"; if (adList.Count == 0) { btStart.Content = "Start"; lbStatus.Content = string.Empty; btStart.IsEnabled = true; MessageBox.Show("Ads list is empty!"); return; } int progress = 0; foreach (string filename in adList) { pbProgress.Value = progress; string error = ""; VFPFingerPrint fp; if (File.Exists(filename + ".vfsigx")) { fp = VFPFingerPrint.Load(filename + ".vfsigx"); } else { var source = new VFPFingerprintSource(filename, engine); foreach (var area in _ignoredAreas) { source.IgnoredAreas.Add(area); } fp = VFPAnalyzer.GetSearchFingerprintForVideoFile(source, ErrorCallback); } if (fp == null) { MessageBox.Show("Unable to get fingerprint for video file: " + filename + ". Error: " + error); } else { fp.Save(filename + ".vfsigx"); _adVFPList.Add(fp); } progress += 100 / adList.Count; } int fragmentDurationProperty = Convert.ToInt32(edFragmentDuration.Text); if (fragmentDurationProperty != 0) { _fragmentDuration = fragmentDurationProperty * 1000; } else { var maxDuration = _adVFPList.Max((print => print.Duration)); long minfragmentDuration = ((((long)maxDuration.TotalMilliseconds + 1000) / 1000) + 1) * 1000; _fragmentDuration = minfragmentDuration * 2; } pbProgress.Value = 100; if (_tempBuffer != IntPtr.Zero) { Marshal.FreeCoTaskMem(_tempBuffer); _tempBuffer = IntPtr.Zero; } lbStatus.Content = "Step 3: Starting video preview"; if (cbSource.SelectedIndex == 0) { _videoCapture.Video_CaptureDevice_Name = cbVideoSource.Text; _videoCapture.Video_CaptureDevice_Format = cbVideoFormat.Text; _videoCapture.Video_CaptureDevice_FrameRate = Convert.ToDouble(cbVideoFrameRate.Text); _videoCapture.Start(); } else { string url = edNetworkSourceURL.Text; //var ip = new IPCameraSourceSettings // { // URL =, // Login = edNetworkSourceLogin.Text, // Password = edNetworkSourcePassword.Text // }; _videoPlayer.Filename = url; _videoPlayer.MaximalSpeedPlayback = false; switch (cbNetworkSourceEngine.SelectedIndex) { case 0: _videoPlayer.Engine = VFSimplePlayerEngine.LAV; break; case 2: _videoPlayer.Engine = VFSimplePlayerEngine.FFMPEG; break; } _videoPlayer.Start(); } lbStatus.Content = "Step 4: Getting data"; pbProgress.Value = 0; lvResults.Items.Refresh(); btStart.IsEnabled = true; btStart.Content = "Stop"; } }