private void ScanWorkerHost_DoWork(object sender, DoWorkEventArgs e)
{
// Authorization check happens in ScanWorker
Logger.Info("ScanWorkerHost started");
InputFilesTotalSizeInKBytes = CalculateInputFilesTotalSize();
InputFilesCompletedInKBytes = 0;
ScanStartTime = DateTime.Now;
MainModel.HighlightObjects.Clear();
ActiveInputFileObject = null;
Logger.Info("DetectionThreshold: " + MainModel.DetectionThreshold.ToString());
foreach (var inputFileObject in MainModel.InputFileObjects)
{
if (CancellationPending)
break;
using (inputFileObject.ScanWorker = new ScanWorker(inputFileObject))
{
inputFileObject.ScanWorker.UseCaptureOffset = MainModel.UseCaptureOffset;
ActiveInputFileObject = inputFileObject;
inputFileObject.ScanWorker.ProgressChanged += scanWorker_ProgressChanged;
ReportStatusChanged();
try
{
inputFileObject.ScanWorker.RunWorkerAsync();
while (inputFileObject.ScanWorker.IsBusy)
{ // wait for the scanworker to finish
if (CancellationPending)
inputFileObject.ScanWorker.CancelScan();
System.Threading.Thread.Sleep(500);
}
inputFileObject.ScanWorkerResult = inputFileObject.ScanWorker.ScanWorkerResult;
}
catch (Exception ex)
{
Logger.Error("Error starting ScanWorker! " + ex.ToString());
}
}
CompletedScanWorkerCount++;
}
ActiveInputFileObject = null;
Logger.Info("Highlights found: " + MainModel.HighlightObjects.Count);
TrackAnalytics();
IsCancelled = CancellationPending; // we use this instead of e.Cancel because if we set e.Cancel, we can't read e.Result (http://bytes.com/topic/c-sharp/answers/519073-asynch-crash-when-e-cancel-set)
if (!IsCancelled)
{ // in case we scan really fast, wait a few seconds so the user sees what happens
var minScanTime = TimeSpan.FromSeconds(4);
while (DateTime.Now.Subtract(ScanStartTime) < minScanTime)
Thread.Sleep(200);
}
}
/// <summary>
/// This goes through a number of files that have an expected hand
/// </summary>
public TestResult FindDarkFramesTest(string filename)
{
FileInfo inputFile = AvailableFiles[filename];
var inputFileObject = new InputFileObject(AvailableFiles[filename]);
Logger.Info("-------------");
Logger.Info("Running dark frame test on " + inputFile.FullName);
Logger.Info("Processing: " + inputFile.FullName);
DateTime startScanTime = DateTime.Now;
MainModel.IgnoreEarlyHighlights = false;
MainModel.UseCaptureOffset = false;
MainModel.HighlightObjects.Clear();
var scanWorker = new ScanWorker(inputFileObject);
scanWorker.RunWorkerAsync();
while (scanWorker.IsBusy)
{
System.Threading.Thread.Sleep(500);
}
Logger.Info("Results for " + inputFile.FullName);
DateTime endScanTime = DateTime.Now;
TimeSpan scanTimeSpan = endScanTime - startScanTime;
Logger.Info("Video duration: " + Math.Round(inputFileObject.VideoDurationInSeconds, 2) + "s");
Logger.Info("Scan time: " + Math.Round(scanTimeSpan.TotalSeconds, 2) + "s");
Debug.Assert(inputFileObject.FramesPerSecond > 0);
Debug.Assert(inputFileObject.VideoDurationInSeconds > 0);
var tr = new TestResult
{
InputFile = inputFile,
ActualScore = 0,
DarkTimesFound = new List<string>(),
DarkTimesExpected = new List<string>(),
FalsePositives = new List<string>(),
Matched = new List<string>(),
Missing = new List<string>(),
ScanTime = scanTimeSpan
};
#region Look up expected dark times
string expectedDarkTimesFilePath = inputFile.FullName + ".txt";
var expectedDarkTimes = new string[] { };
if (File.Exists(expectedDarkTimesFilePath))
{
var sr = new StreamReader(expectedDarkTimesFilePath);
expectedDarkTimes = sr.ReadToEnd().Split(Environment.NewLine.ToCharArray(), StringSplitOptions.RemoveEmptyEntries);
}
tr.MaxScore = expectedDarkTimes.Length * (int)ScanResultScore.Found;
tr.DarkTimesExpected = expectedDarkTimes.ToList<string>();
#endregion
#region Convert dark times to dark spots
var expectedMarkTimeSpans = new List<TimeSpan>();
foreach (string s in expectedDarkTimes)
{
TimeSpan ts = TimeSpan.Parse(s); // ex. 0:06
//expectedMarkTimeSpans.Add((long)(ts.TotalSeconds * inputFileObject.FramesPerSecond));
expectedMarkTimeSpans.Add(ts);
}
Logger.Info("Expected dark times and frames:");
foreach (var ts in expectedMarkTimeSpans)
{
var frame = Math.Round(ts.TotalSeconds * inputFileObject.FramesPerSecond, 0);
Logger.Info("- " + ts.ToString("c") + " => " + frame);
}
#endregion
Logger.Info("Found dark times and frames:");
foreach (var highlightObject in MainModel.HighlightObjects)
{
tr.DarkTimesFound.Add(highlightObject.BookmarkTime.ToString("c"));
var frame = Math.Round(highlightObject.BookmarkTime.TotalSeconds * inputFileObject.FramesPerSecond, 0);
Logger.Info("- " + highlightObject.BookmarkTime.ToString("c") + " => " + frame);
}
// If we have any failures at all, the entire test fails. But when debugging, we'll want to know where and how it failed.
bool testFail = false;
#region Make sure expected dark spots are near actual dark frames
Logger.Info("Comparing expected spots with actual spots");
var scanSummary = new SortedDictionary<TimeSpan, ScanResultScore>();
const int toleranceInSeconds = 4; // our expected dark frame must be within 3 seconds of actual dark frames
//var toleranceInFrames = (int)(toleranceInSeconds * inputFileObject.FramesPerSecond);
foreach (var expectedMarkTimeSpan in expectedMarkTimeSpans)
{
var isFound = false;
foreach (var highlightObject in MainModel.HighlightObjects)
{
if (Math.Abs(highlightObject.BookmarkTime.TotalSeconds - expectedMarkTimeSpan.TotalSeconds) <= toleranceInSeconds)
{
if (scanSummary.ContainsKey(expectedMarkTimeSpan) == false)
{
var frame = Math.Round(expectedMarkTimeSpan.TotalSeconds * inputFileObject.FramesPerSecond, 0);
Logger.Info("- Success: Found dark spot near " + expectedMarkTimeSpan.ToString("c") + " => frame " + frame);
scanSummary.Add(expectedMarkTimeSpan, ScanResultScore.Found);
tr.Matched.Add(expectedMarkTimeSpan.ToString("c"));
isFound = true;
}
else
{ // there's a false positive here. two found bookmarks were near an expected bookmark
testFail = true;
scanSummary.Add(highlightObject.BookmarkTime, ScanResultScore.FalsePositive);
tr.FalsePositives.Add(highlightObject.BookmarkTime.ToString("c"));
var frame = Math.Round(highlightObject.BookmarkTime.TotalSeconds * inputFileObject.FramesPerSecond, 0);
Logger.Info("- Found false positive at " + highlightObject.BookmarkTime.ToString("c") + " => frame " + frame);
}
break;
}
}
if (isFound == false)
{
scanSummary.Add(expectedMarkTimeSpan, ScanResultScore.Missing);
testFail = true;
tr.Missing.Add(expectedMarkTimeSpan.ToString("c"));
var frame = Math.Round(expectedMarkTimeSpan.TotalSeconds * inputFileObject.FramesPerSecond, 0);
Logger.Info("- Error! Could not find dark spot near " + expectedMarkTimeSpan.ToString("c") + " => frame " + frame);
}
}
// find the false positives
foreach (var highlightObject in MainModel.HighlightObjects)
{
bool isFound = false;
foreach (var expectedMarkTimeSpan in expectedMarkTimeSpans)
{
if (Math.Abs(highlightObject.BookmarkTime.TotalSeconds - expectedMarkTimeSpan.TotalSeconds) <= toleranceInSeconds)
{
isFound = true;
break;
}
}
if (isFound == false)
{
testFail = true;
scanSummary.Add(highlightObject.BookmarkTime, ScanResultScore.FalsePositive);
tr.FalsePositives.Add(highlightObject.BookmarkTime.ToString("c"));
var frame = Math.Round(highlightObject.BookmarkTime.TotalSeconds * inputFileObject.FramesPerSecond, 0);
Logger.Info("- Found false positive at " + highlightObject.BookmarkTime.ToString("c") + " => frame " + frame);
}
}
#endregion
#region Print summary
Logger.Info("-------------");
Logger.Info("Test results summary:");
foreach (var kvp in scanSummary)
{
var frame = Math.Round(kvp.Key.TotalSeconds * inputFileObject.FramesPerSecond, 0);
Logger.Info("- Time " + kvp.Key.ToString("c") + " (frame " + frame + "): " + kvp.Value.ToString());
tr.ActualScore += (int)kvp.Value;
}
Logger.Info("Max score: " + tr.MaxScore);
Logger.Info("Actual score: " + tr.ActualScore);
Logger.Info("Found count: " + tr.Matched.Count);
Logger.Info("False positive count: " + tr.FalsePositives.Count);
Logger.Info("Missing count: " + tr.Missing.Count);
#endregion
if (testFail)
{
tr.Failed = true;
Logger.Info("Test failed. See debug log for details.");
}
return tr;
}
private void MainForm_DoubleClick(object sender, EventArgs e)
{
#if DEBUG
using (new HourGlass())
{
/*
for (var i = 1; i <= 1000; i++)
{
var activationState = Protection.GetLicenseStatus(true);
}
MessageBox.Show("done");
return;
*/
var inputFileObject = new InputFileObject()
{
SourceFileInfo = new FileInfo(MainModel.GetPathToSampleVideo()),
};
using (var scanWorker = new ScanWorker(inputFileObject))
{
scanWorker.SetBitrate();
scanWorker.SetFramesPerSecond();
scanWorker.SetTotalFrames();
scanWorker.SetVideoDimensions();
scanWorker.SetVideoDuration();
}
MainModel.InputFileObjects.Add(inputFileObject);
var newHighlight1 = (new HighlightObject()
{
InputFileObject = inputFileObject,
StartTime = TimeSpan.FromSeconds(10),
BookmarkTime = TimeSpan.FromSeconds(27),
EndTime = TimeSpan.FromSeconds(25),
});
newHighlight1.GenerateHighlightTitle();
MainModel.HighlightObjects.Add(newHighlight1);
var sampleFileDir = Path.Combine(Directory.GetCurrentDirectory(), @"..\..\..\..\sample-files");
var inputFileObject2 = new InputFileObject()
{
SourceFileInfo = new FileInfo(Path.Combine(sampleFileDir, @"Long videos\GO021100.MP4")),
};
using (var scanWorker = new ScanWorker(inputFileObject2))
{
scanWorker.SetBitrate();
scanWorker.SetFramesPerSecond();
scanWorker.SetTotalFrames();
scanWorker.SetVideoDimensions();
scanWorker.SetVideoDuration();
}
MainModel.InputFileObjects.Add(inputFileObject2);
var newHighlight2 = (new HighlightObject()
{
InputFileObject = inputFileObject2,
StartTime = TimeSpan.FromSeconds(60 * 20 + 4),
BookmarkTime = TimeSpan.FromSeconds(60 * 20 + 19),
EndTime = TimeSpan.FromSeconds(60 * 20 + 17),
});
newHighlight2.GenerateHighlightTitle();
MainModel.HighlightObjects.Add(newHighlight2);
var newHighlight3 = new HighlightObject()
{
InputFileObject = inputFileObject2,
StartTime = TimeSpan.FromSeconds(60 * 10 + 4),
BookmarkTime = TimeSpan.FromSeconds(60 * 10 + 19),
EndTime = TimeSpan.FromSeconds(60 * 10 + 17)
};
newHighlight3.GenerateHighlightTitle();
MainModel.HighlightObjects.Add(newHighlight3);
var newHighlight4 = new HighlightObject()
{
InputFileObject = inputFileObject2,
StartTime = TimeSpan.FromSeconds(60 * 5 + 4),
BookmarkTime = TimeSpan.FromSeconds(60 * 5 + 19),
EndTime = TimeSpan.FromSeconds(60 * 5 + 17),
};
newHighlight4.GenerateHighlightTitle();
MainModel.HighlightObjects.Add(newHighlight4);
var inputFileObject3 = new InputFileObject()
{
SourceFileInfo = new FileInfo(Path.Combine(sampleFileDir, "00002.MTS")),
};
using (var scanWorker = new ScanWorker(inputFileObject3))
{
scanWorker.SetBitrate();
scanWorker.SetFramesPerSecond();
scanWorker.SetTotalFrames();
scanWorker.SetVideoDimensions();
scanWorker.SetVideoDuration();
}
MainModel.InputFileObjects.Add(inputFileObject3);
var newHighlight5 = (new HighlightObject()
{
InputFileObject = inputFileObject3,
StartTime = TimeSpan.FromSeconds(30),
BookmarkTime = TimeSpan.FromSeconds(47),
EndTime = TimeSpan.FromSeconds(45),
});
newHighlight5.GenerateHighlightTitle();
MainModel.HighlightObjects.Add(newHighlight5);
SwitchToStep(Steps.Scan);
scanControl_ScanCompletedWithHighlights(sender, e);
}
#endif
}
private void TrimButton_Click(object sender, EventArgs e)
{
MainModel.Initialize();
OpenFileDialog.CheckFileExists = true;
OpenFileDialog.FileName = "";
string supportedExtensionsAsSingleString = "";
foreach (string supportedExtension in MainModel.GetVideoExtensions())
{
supportedExtensionsAsSingleString += "*" + supportedExtension + ";";
}
if (supportedExtensionsAsSingleString.Length > 0)
supportedExtensionsAsSingleString = supportedExtensionsAsSingleString.Substring(0, supportedExtensionsAsSingleString.Length - 1);
OpenFileDialog.Multiselect = false;
OpenFileDialog.Title = "Tell me which video you'd like to trim.";
OpenFileDialog.Filter = "Supported Files (" + supportedExtensionsAsSingleString + ")|" + supportedExtensionsAsSingleString + "|All Files (*.*)|*.*";
OpenFileDialog.ShowDialog();
if (File.Exists(OpenFileDialog.FileName))
{
var inputFileObject = new InputFileObject(new FileInfo(OpenFileDialog.FileName));
string ss = "0:00:00", end = "0:00:00";
if (InputBox("Start time", "What is the starting time that you'd like to trim from? (e.g. 0:00:20)", ref ss) == DialogResult.OK)
{
if (InputBox("End time", "What is the ending time that you'd like to trim to? (e.g. 0:00:35)", ref end) == DialogResult.OK)
{
var saveFileDialog = new SaveFileDialog();
saveFileDialog.InitialDirectory = inputFileObject.SourceFileInfo.DirectoryName;
saveFileDialog.FileName = inputFileObject.SourceFileInfo.Name + " - " + ss + " to " + end + inputFileObject.SourceFileInfo.Extension;
saveFileDialog.Title = "Where should we save the new file?";
if (saveFileDialog.ShowDialog() == System.Windows.Forms.DialogResult.OK)
{
using (var scanWorker = new ScanWorker(inputFileObject))
{
scanWorker.SetFramesPerSecond();
scanWorker.SetBitrate();
var highlightObject = new HighlightObject();
highlightObject.InputFileObject = inputFileObject;
highlightObject.StartTime = TimeSpan.Parse(ss); // ex. 0:06
highlightObject.EndTime = TimeSpan.Parse(end);
var saveWorker = new SaveWorker(highlightObject);
saveWorker.RunWorkerAsync(saveFileDialog.FileName);
while (saveWorker.PublishWorkerResult == PublishWorker.PublishWorkerResults.NotFinished)
Application.DoEvents();
if (saveWorker.PublishWorkerResult == PublishWorker.PublishWorkerResults.Success)
while (saveWorker.OutputFileInfo == null)
Application.DoEvents();
var files = new List<FileInfo> { saveWorker.OutputFileInfo };
MainModel.LaunchExplorerWithFilesSelected(files);
}
}
}
}
}
MainModel.Dispose();
}