/// <summary>
/// It fixes the time tags according to the length of the videos relative to the first video.
/// This method assumes that the videos are recorded sequnetially.
/// </summary>
public void FixTimestampsByOrder(ILogger writer = null)
{
writer?.WriteLineInfo("Fix timestamps for " + this.Name);
for (int i = 0; i < DataLines.Count - 1; i++)
{
VideoDataLine currLine = DataLines[i] as VideoDataLine;
VideoDataLine nextLine = DataLines[i + 1] as VideoDataLine;
double dt = currLine.FrameCount * (1 / currLine.FrameRate);
DateTime original = nextLine.TimeStamp;
nextLine.TimeStamp = currLine.TimeStamp.AddSeconds(dt);
writer?.WriteLineInfo("File: " + nextLine.VideoFileName);
writer?.WriteLineInfo(" Original: " + original.ToString("yyyy-MM-dd HH:mm:ss.fff"));
writer?.WriteLineInfo(" New: " + nextLine.TimeStamp.ToString("yyyy-MM-dd HH:mm:ss.fff"));
writer?.WriteLineInfo(" Diff: " + new TimeSpan(nextLine.TimeStamp.Ticks - original.Ticks).ToString(@"hh\:mm\:ss\.fff"));
}
}
public override void WriteMetadata(ILogger writer, CancellationToken cancelletionToken = default(CancellationToken))
{
CreateMetadataHeader(writer);
String subFolder = this.project.Folder + "\\" + this.SubFolder;
writer?.WriteLineInfo("Data location: " + subFolder);
writer?.WriteLineInfo(" ");
if (Directory.Exists(subFolder) == false)
{
writer?.WriteLineInfo("!!! Folder does not exist! Data stream is missing!");
writer?.WriteLineWarning(this.Name + ":Folder does not exist! Data stream is missing!");
return;
}
string[] allFiles = Directory.GetFiles(project.Folder + "\\" + this.SubFolder, "*.*");
string[] files = allFiles.Where(s => s.ToUpper().EndsWith(".MOV") || s.ToUpper().EndsWith(".MP4")).ToArray();
writer?.WriteLineInfo(" Files: ");
double sumLength = 0;
DataLines.Clear();
foreach (String file in files)
{
cancelletionToken.ThrowIfCancellationRequested();
try
{
if (Path.GetExtension(file).ToUpper() == ".MOV")
{
writer?.WriteWarning("Enviroment cannot handle MOV files!");
continue;
}
writer?.WriteLineInfo("\t" + file);
VideoFileReader reader = new VideoFileReader();
reader.Open(file);
DateTime ft = File.GetLastWriteTime(file);
writer?.WriteLineInfo("\t File modified : " + ft);
DateTime utcf = File.GetLastWriteTimeUtc(file);
writer?.WriteLineInfo("\t File modified : " + utcf + " UTC");
writer?.WriteLineInfo("\t Frame width : " + reader.Width);
writer?.WriteLineInfo("\t Frame height : " + reader.Height);
writer?.WriteLineInfo("\t Fps : " + reader.FrameRate.ToDouble());
writer?.WriteLineInfo("\t Codec : " + reader.CodecName);
double length = reader.FrameCount / reader.FrameRate.ToDouble();
sumLength += length;
TimeSpan t = TimeSpan.FromSeconds(length);
writer?.WriteLineInfo("\t Length : " + t.ToString(@"hh\:mm\:ss"));
writer?.WriteLineInfo(" ");
string rootFolder = project.Folder + "\\" + this.SubFolder + "\\";
String subFile = file.Replace(rootFolder, "");
VideoDataLine dataLine = new VideoDataLine(subFile, new DateTime(utcf.Ticks - TimeSpan.FromSeconds(length).Ticks), TimeType.FILE);
dataLine.FrameCount = reader.FrameCount;
dataLine.FrameRate = reader.FrameRate.ToDouble();
if (this.ShortName.Contains("GPR"))
{
dataLine.TimeType = TimeType.UNKNOWN;
}
dataLine.Length = TimeSpan.FromSeconds(length);
this.DataLines.Add(dataLine);
reader.Close();
}
catch (Exception ex)
{
writer.WriteLineError(ex.Message);
}
}
if (DataLines.Count() == 0)
{
writer.WriteLineInfo("Empty folder!");
writer.WriteLineWarning(this.Name + ": Empty folder!");
}
this.OrderDataLines();
int dn = Math.Abs(allFiles.Count() - DataLines.Count());
if (dn != 0)
{
writer.WriteLineInfo("\tNumber of unidentified files in the folder: " + dn);
writer.WriteLineWarning(this.Name + ": Number of unidentified files in the folder: " + dn);
}
}
