public FingerprintLiveData(int duration, DateTime startTime)
{
Data = new VFPSearchData(duration);
StartTime = startTime;
}
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")
{
VideoCapture1.Stop();
btStart.Content = "Start";
lbStatus.Content = string.Empty;
}
else
{
btStart.IsEnabled = false;
lbStatus.Content = "Step 1: Searching video files";
fragmentDuration = Convert.ToInt32(edFragmentDuration.Text) * 60 * 1000;
VFMediaPlayerSource engine = VFMediaPlayerSource.File_VLC;
switch (cbEngine.SelectedIndex)
{
case 0:
engine = VFMediaPlayerSource.File_DS;
break;
case 1:
engine = VFMediaPlayerSource.File_FFMPEG;
break;
case 2:
engine = VFMediaPlayerSource.File_VLC;
break;
case 3:
engine = VFMediaPlayerSource.LAV;
break;
}
List <string> adList = new List <string>();
adVFPList = new List <VFPFingerPrint>();
foreach (string item in lbAdFolders.Items)
{
adList.AddRange(FileScanner.SearchVideoInFolder(item));
}
lbStatus.Content = "Step 2: Getting fingerprints for ads files";
int progress = 0;
foreach (string filename in adList)
{
pbProgress.Value = progress;
string error;
var source = new VFPFingerprintSource(filename, engine);
var fp = VFPAnalyzer.GetSearchFingerprintForVideoFile(source, out error);
if (fp == null)
{
MessageBox.Show("Unable to get fingerpring for video file: " + filename + ". Error: " + error);
}
else
{
adVFPList.Add(fp);
}
progress += 100 / adList.Count;
}
pbProgress.Value = 100;
searchLiveData = new VFPSearchData(Convert.ToInt32(edFragmentDuration.Text) * 60);
if (tempBuffer != IntPtr.Zero)
{
Marshal.FreeCoTaskMem(tempBuffer);
tempBuffer = IntPtr.Zero;
}
lbStatus.Content = "Step 3: Starting video preview";
VideoCapture1.Video_CaptureDevice = cbVideoSource.Text;
VideoCapture1.Video_CaptureFormat = cbVideoFormat.Text;
VideoCapture1.Video_CaptureFormat_UseBest = false;
VideoCapture1.Video_FrameRate = Convert.ToDouble(cbVideoFrameRate.Text);
VideoCapture1.Audio_PlayAudio = false;
VideoCapture1.Audio_RecordAudio = false;
VideoCapture1.Mode = VFVideoCaptureMode.VideoPreview;
VideoCapture1.Video_Renderer.Video_Renderer = VFVideoRendererWPF.WPF;
VideoCapture1.Start();
lbStatus.Content = "Step 4: Getting data";
pbProgress.Value = 0;
lvResults.Items.Refresh();
btStart.IsEnabled = true;
btStart.Content = "Stop";
}
}
