private async void ReadImageMetadata(MediaItemM mi, BitmapMetadata bm, bool gpsOnly)
{
// Lat Lng
var tmpLat = bm.GetQuery("System.GPS.Latitude.Proxy")?.ToString();
if (tmpLat != null)
{
var vals = tmpLat[..^ 1].Split(',');
public async Task <bool> ReadMetadata(MediaItemM mi, bool gpsOnly = false)
{
try {
if (mi.MediaType == MediaType.Video)
{
await Core.RunOnUiThread(() => ReadVideoMetadata(mi));
}
else
{
using Stream srcFileStream = File.Open(mi.FilePath, FileMode.Open, FileAccess.Read, FileShare.Read);
var decoder = BitmapDecoder.Create(srcFileStream, BitmapCreateOptions.None, BitmapCacheOption.None);
var frame = decoder.Frames[0];
mi.Width = frame.PixelWidth;
mi.Height = frame.PixelHeight;
mi.SetThumbSize(true);
Model.DataAdapter.IsModified = true;
// true because only media item dimensions are required
if (frame.Metadata is not BitmapMetadata bm)
{
return(true);
}
ReadImageMetadata(mi, bm, gpsOnly);
mi.SetThumbSize(true);
}
mi.IsOnlyInDb = false;
}
catch (Exception ex) {
_core.LogError(ex, mi.FilePath);
// No imaging component suitable to complete this operation was found.
if ((ex.InnerException as COMException)?.HResult == -2003292336)
{
return(false);
}
mi.IsOnlyInDb = true;
// true because only media item dimensions are required
return(true);
}
return(true);
}
public static string ToCsv(MediaItemM mediaItem) =>
string.Join("|",
mediaItem.Id.ToString(),
mediaItem.Folder.Id.ToString(),
mediaItem.FileName,
mediaItem.Width.ToString(),
mediaItem.Height.ToString(),
mediaItem.Orientation.ToString(),
mediaItem.Rating.ToString(),
mediaItem.Comment ?? string.Empty,
mediaItem.GeoName?.Id.ToString(),
mediaItem.People == null
? string.Empty
: string.Join(",", mediaItem.People.Select(x => x.Id)),
mediaItem.Keywords == null
? string.Empty
: string.Join(",", mediaItem.Keywords.Select(x => x.Id)),
mediaItem.IsOnlyInDb
? "1"
: string.Empty);
private void ReadVideoMetadata(MediaItemM mi)
{
try {
var size = ShellStuff.FileInformation.GetVideoMetadata(mi.Folder.FullPath, mi.FileName);
mi.Height = (int)size[0];
mi.Width = (int)size[1];
mi.Orientation = (int)size[2] switch {
90 => (int)MediaOrientation.Rotate90,
180 => (int)MediaOrientation.Rotate180,
270 => (int)MediaOrientation.Rotate270,
_ => (int)MediaOrientation.Normal,
};
mi.SetThumbSize(true);
Model.DataAdapter.IsModified = true;
}
catch (Exception ex) {
_core.LogError(ex, mi.FilePath);
}
}
public override void FromCsv(string csv)
{
var props = csv.Split('|');
if (props.Length != 12)
{
throw new ArgumentException("Incorrect number of values.", csv);
}
var mi = new MediaItemM(int.Parse(props[0]), null, props[2])
{
Csv = props,
Width = props[3].IntParseOrDefault(0),
Height = props[4].IntParseOrDefault(0),
Orientation = props[5].IntParseOrDefault(1),
Rating = props[6].IntParseOrDefault(0),
Comment = string.IsNullOrEmpty(props[7]) ? null : props[7],
IsOnlyInDb = props[11] == "1"
};
_model.All.Add(mi);
_model.AllDic.Add(mi.Id, mi);
}
public MediaItemDeletedEventArgs(MediaItemM mediaItem)
{
MediaItem = mediaItem;
}
