/// <summary>
/// Get the EXIF/SubIFD or PNG Created Datetime
/// </summary>
/// <param name="allExifItems">Directory</param>
/// <param name="cameraMakeModel">cameraMakeModel</param>
/// <returns>Datetime</returns>
internal DateTime?GetExifDateTime(List <Directory> allExifItems, CameraMakeModel cameraMakeModel = null)
{
var provider = CultureInfo.InvariantCulture;
var itemDateTimeSubIfd = ParseSubIfdDateTime(allExifItems, provider);
if (itemDateTimeSubIfd.Year >= 2)
{
return(itemDateTimeSubIfd);
}
var itemDateTimeQuickTime = ParseQuickTimeDateTime(cameraMakeModel, allExifItems, provider);
// to avoid errors scanning gpx files (with this it would be Local)
if (itemDateTimeQuickTime.Year >= 1970)
{
return(itemDateTimeQuickTime);
}
// 1970-01-01T02:00:03 formatted
var xmpDirectory = allExifItems.OfType <XmpDirectory>().FirstOrDefault();
var photoShopDateCreated = GetXmpData(xmpDirectory, "photoshop:DateCreated");
DateTime.TryParseExact(photoShopDateCreated, "yyyy-MM-ddTHH:mm:ss", provider,
DateTimeStyles.AdjustToUniversal, out var xmpItemDateTime);
if (xmpItemDateTime.Year >= 2)
{
return(xmpItemDateTime);
}
return(null);
}
internal DateTime ParseQuickTimeDateTime(CameraMakeModel cameraMakeModel,
IEnumerable <Directory> allExifItems, IFormatProvider provider)
{
if (_appSettings == null)
{
Console.WriteLine("[ParseQuickTimeDateTime] app settings is null");
}
if (cameraMakeModel == null)
{
cameraMakeModel = new CameraMakeModel();
}
var useUseLocalTime = _appSettings?.VideoUseLocalTime?.Any(p =>
string.Equals(p.Make, cameraMakeModel.Make, StringComparison.InvariantCultureIgnoreCase) && (
string.Equals(p.Model, cameraMakeModel.Model, StringComparison.InvariantCultureIgnoreCase) ||
string.IsNullOrEmpty(p.Model)));
var quickTimeDirectory = allExifItems.OfType <QuickTimeMovieHeaderDirectory>().FirstOrDefault();
var quickTimeCreated = quickTimeDirectory?.GetDescription(QuickTimeMovieHeaderDirectory.TagCreated);
var dateTimeStyle = useUseLocalTime == true
? DateTimeStyles.AdjustToUniversal
: DateTimeStyles.AssumeLocal;
// [QuickTime Movie Header] Created = Tue Oct 11 09:40:04 2011 or Sat Mar 20 21:29:11 2010 // time is in UTC
// Or Dutch (NL-nl) "zo mrt. 29 13:10:07 2020"
DateTime.TryParseExact(quickTimeCreated, "ddd MMM dd HH:mm:ss yyyy", CultureInfo.CurrentCulture,
dateTimeStyle, out var itemDateTimeQuickTime);
// ReSharper disable once InvertIf
if (useUseLocalTime != true && _appSettings?.CameraTimeZoneInfo != null)
{
itemDateTimeQuickTime = DateTime.SpecifyKind(itemDateTimeQuickTime, DateTimeKind.Utc);
itemDateTimeQuickTime = TimeZoneInfo.ConvertTime(itemDateTimeQuickTime,
TimeZoneInfo.Utc, _appSettings?.CameraTimeZoneInfo);
}
return(itemDateTimeQuickTime);
}
