private string GetFolder(MediaProcessorContext context)
{
switch (context.Options.SaveMedia.SaveMode)
{
case SaveMediaMode.CreateNew:
if (context.Metadata.DateTaken.HasValue)
{
return(string.Join("/",
"New",
context.Metadata.DateTaken.Value.Year.ToString(),
context.Metadata.DateTaken.Value.ToString("MMMM", new CultureInfo("en-US"))));
}
else
{
return("New/Unknown_Date");
}
case SaveMediaMode.KeepInSource:
var directoryName = Path.GetDirectoryName(context.File.Id);
var relativePath = directoryName.Replace(context.File.BasePath, "");
if (string.IsNullOrWhiteSpace(relativePath))
{
relativePath = "/";
}
return(relativePath.Replace("\\", "/"));
default:
throw new ApplicationException($"Invalid SaveMediaMode: {context.Options.SaveMedia.SaveMode}");
}
}
public async Task ExecuteAsync(
MediaProcessorContext context,
CancellationToken cancellationToken)
{
IEnumerable <MediaFace> faces = new List <MediaFace>();
if (context.FaceData is { })
public async Task ExecuteAsync(
MediaProcessorContext context,
CancellationToken cancellationToken)
{
var media = new Media
{
Id = Guid.NewGuid(),
MediaType = context.MediaType,
DateTaken = context.Metadata.DateTaken,
ImageUniqueId = context.Metadata.ImageId,
GeoLocation = context.Metadata.GeoLocation,
Size = GetSize(context),
Folder = GetFolder(context),
Filename = Path.GetFileName(context.File.Id),
Dimension = context.Metadata.Dimension,
VideoInfo = context.VideoInfo,
OriginalHash = ComputeHash(context),
CameraId = await GetCameraIdAsync(context, cancellationToken),
Source = new MediaSource
{
Identifier = context.File.Id,
Type = context.File.Source.ToString(),
ImportedAt = DateTime.UtcNow
}
};
if (context.Thumbnails is { })
public async Task ExecuteAsync(
MediaProcessorContext context,
CancellationToken cancellationToken)
{
if (context.FaceData != null)
{
double distance = 0.4;
foreach (FaceData face in context.FaceData)
{
try
{
Guid?personId = await _faceDetectionService.PredictPersonAsync(
new PredictPersonRequest
{
Distance = distance,
Encoding = face.Encoding
}, cancellationToken);
if (personId.HasValue)
{
face.PersonId = personId;
face.DistanceThreshold = distance;
face.RecognitionType = FaceRecognitionType.Computer;
}
}
catch (Exception ex)
{
Console.WriteLine(ex.Message);
}
}
}
}
public async Task ExecuteAsync(
MediaProcessorContext context,
CancellationToken cancellationToken)
{
context.Thumbnails = await _thumbnailService.GenerateAllThumbnailAsync(
context.Image,
cancellationToken);
}
public async Task ExecuteAsync(
MediaProcessorContext context,
CancellationToken cancellationToken)
{
var stream = new MemoryStream(context.OriginalData !);
Image image = await Image.LoadAsync(stream);
context.Image = _imageTransformService.AutoOrient(image);
}
public async Task ExecuteAsync(
MediaProcessorContext context,
CancellationToken cancellationToken)
{
if (!context.Metadata.DateTaken.HasValue)
{
context.Metadata.DateTaken = _dateTakenParser.Parse(
Path.GetFileNameWithoutExtension(context.File.Id));
}
}
public async Task ExecuteAsync(MediaProcessorContext context, CancellationToken cancellationToken)
{
ExtractVideoDataResult?videoData = await _videoProcessingService.ExtractVideoDataAsync(
context.File.Id,
cancellationToken);
context.Image = Image.Load(videoData.ImageData);
context.Metadata = videoData.Meta;
context.VideoInfo = videoData.Info;
context.Size = videoData.Size;
}
public async virtual Task ExecuteAsync(
MediaProcessorContext context,
CancellationToken cancellationToken)
{
foreach (string taskName in Tasks)
{
IMediaProcessorTask instance = _taskFactory.GetTask(taskName);
Log.Information("Execute Task {Name}", taskName);
await instance.ExecuteAsync(context, cancellationToken);
}
}
public async Task ExecuteAsync(
MediaProcessorContext context,
CancellationToken cancellationToken)
{
MemoryStream stream = new MemoryStream();
await context.Image.SaveAsJpegAsync(stream, cancellationToken);
stream.Position = 0;
context.WebImage = _webPImageConverter.ConvertToWebP(stream).ToByteArray();
}
public async Task ExecuteAsync(
MediaProcessorContext context,
CancellationToken cancellationToken)
{
MemoryStream stream = new MemoryStream();
await context.Image.SaveAsJpegAsync(stream, cancellationToken);
stream.Position = 0;
IEnumerable <FaceDetectionResponse> detectedFaces = await _faceDetectionService
.DetectFacesAsync(stream, cancellationToken);
IEnumerable <FaceData> faceData = detectedFaces.Select(f =>
new FaceData
{
Box = f.Box,
Encoding = f.Encoding,
Id = Guid.NewGuid()
}).ToList();
IEnumerable <BoxExtractionInput> inputs = faceData.Select(f =>
new BoxExtractionInput
{
Box = f.Box,
Id = f.Id
});
stream.Position = 0;
IEnumerable <BoxExtractionResult> faceImages = await _boxExtractorService
.ExtractBoxesAsync(stream, inputs, ThumbnailSizeName.M, default);
ILookup <Guid, BoxExtractionResult> faceLookup = faceImages.ToLookup(x => x.Id);
foreach (FaceData face in faceData)
{
ThumbnailResult thumb = faceLookup[face.Id].Single().Thumbnail;
face.Thumbnail = new MediaThumbnail
{
Id = Guid.NewGuid(),
Data = thumb.Data,
Dimensions = thumb.Dimensions,
Format = thumb.Format,
Size = thumb.Size
};
}
context.FaceData = faceData;
}
public async Task ScanByMediaIdAsync(Guid mediaId, CancellationToken cancellationToken)
{
Media media = await _mediaService.GetByIdAsync(mediaId, cancellationToken);
Stream stream = _mediaService.GetMediaStream(media);
var context = new MediaProcessorContext
{
Media = media,
Image = await Image.LoadAsync(stream)
};
await _flow.ExecuteAsync(context, cancellationToken);
}
public Task ExecuteAsync(MediaProcessorContext context, CancellationToken cancellationToken)
{
if (context.Options.SaveMedia.SourceAction == SaveMediaSourceAction.Delete)
{
File.Delete(context.File.Id);
}
else if (context.Options.SaveMedia.SourceAction == SaveMediaSourceAction.Move)
{
//TODO: Move
}
else if (context.Options.SaveMedia.SourceAction == SaveMediaSourceAction.Replace)
{
//TODO: Overwrite source
}
return(Task.CompletedTask);
}
public async Task ExecuteAsync(
MediaProcessorContext context,
CancellationToken cancellationToken)
{
var filename = _mediaService.GetFilename(context.Media, MediaFileType.Original);
var convertedFilename = _mediaService.GetFilename(context.Media, MediaFileType.Video720);
if (File.Exists(convertedFilename))
{
File.Delete(convertedFilename);
}
await _videoProcessingService.ConvertTo720Async(
filename,
convertedFilename,
cancellationToken);
}
public async Task ExecuteAsync(
MediaProcessorContext context,
CancellationToken cancellationToken)
{
var filename = _mediaService.GetFilename(context.Media, MediaFileType.Original);
var gifFilename = _mediaService.GetFilename(context.Media, MediaFileType.VideoGif);
if (File.Exists(gifFilename))
{
File.Delete(gifFilename);
}
await _videoProcessingService.GeneratePreviewGifAsync(
filename,
gifFilename,
cancellationToken);
}
public async virtual Task ExecuteAsync(
MediaProcessorContext context,
CancellationToken cancellationToken)
{
foreach (string taskName in Tasks)
{
IMediaProcessorTask instance = _taskFactory.GetTask(taskName);
Log.Information("Execute Task {Name}", taskName);
try
{
await instance.ExecuteAsync(context, cancellationToken);
}
catch (Exception ex)
{
Log.Error(ex, "Error executing Task {Name}", taskName);
throw;
}
}
}
public async Task ExecuteAsync(
MediaProcessorContext context,
CancellationToken cancellationToken)
{
context.Metadata = await _metadataExtractor.GetMetadataAsync(context.Image, default);
}
