public void LoadFolder(string folder)
{
TripCollection.Clear();
_folder = folder;
DirectoryInfo dir = new DirectoryInfo(folder);
DateTime currentDate = DateTime.MinValue;
Trip trip = null;
if (!Directory.Exists(folder))
{
return;
}
foreach (var file in dir.GetFiles("*.mp4"))
{
string fileName = Path.GetFileNameWithoutExtension(file.FullName);
var fileStartDateTime = DateTime.ParseExact(fileName.Substring(0, fileName.LastIndexOf("_")), "yyyy_MMdd_HHmmss", null);
if (currentDate.Date != fileStartDateTime.Date)
{
if (trip != null)
{
TripCollection.Add(trip);
}
trip = new Trip();
}
else if (fileStartDateTime.Subtract(currentDate) > TimeSpan.FromMinutes(10))
{
TripCollection.Add(trip);
trip = new Trip();
}
currentDate = fileStartDateTime;
string jpg = Utils.GetFileNameWithoutExt(file.FullName) + ".jpg";
if (!File.Exists(jpg))
{
try
{
VideoFileReader reader = new VideoFileReader();
reader.Open(file.FullName);
Bitmap frame = reader.ReadVideoFrame();
reader.Close();
frame.Save(jpg, ImageFormat.Jpeg);
}
catch (Exception ex)
{
}
}
if (trip.StartDateTime > currentDate)
{
trip.StartDateTime = currentDate;
}
if (trip.EndDateTime < currentDate)
{
trip.EndDateTime = currentDate;
}
Video video = new Video()
{
FilePath = folder + file.Name, Date = fileStartDateTime, ThumbnailPath = jpg
};
trip.Videos.Add(video);
}
if (trip != null)
{
TripCollection.Add(trip);
}
}
/// <summary>
/// A method called by the UI to start generating the paths
/// </summary>
public void StartGeneration()
{
TripCollection.Clear();
Task.Run(() => { CSolver.GetShortestPath(); });
}