public byte[] GetMedia(string id)
{
SampleMedia media = _samples.Single(x => x.Id == id);
using var fileStream = new FileStream(media.Path, FileMode.Open);
return(fileStream.ToByteArray());
}
public void BuildSampleStore()
{
var root = new DirectoryInfo(GetTestMediaPath());
foreach (FileInfo file in root.GetFiles("*.jpg"))
{
var media = new SampleMedia
{
Id = Guid.NewGuid().ToString("N"),
Path = file.FullName,
Name = file.Name,
};
_samples.Add(media);
}
}
public async Task <IEnumerable <FaceDetectionInfo> > ExtractFacesAsync(string id)
{
SampleMedia media = _samples.Single(x => x.Id == id);
using var fileStream = new FileStream(media.Path, FileMode.Open);
IEnumerable <FaceDetectionResponse> faces = await _faceDetectionService
.DetectFacesAsync(fileStream, default);
IList <FaceDetectionInfo> infos = faces.Select(f => new FaceDetectionInfo
{
Box = f.Box,
Id = Guid.NewGuid()
}).ToList();
fileStream.Position = 0;
var image = Image.Load(fileStream);
IEnumerable <BoxExtractionInput> inputs = infos.Select(f => new BoxExtractionInput
{
Box = f.Box,
Id = f.Id
});
IEnumerable <BoxExtractionResult> images = await _faceExtractorService
.ExtractBoxesAsync(image, inputs, ThumbnailSizeName.M, default);
foreach (BoxExtractionResult img in images)
{
FaceDetectionInfo info = infos.Single(x => x.Id == img.Id);
info.Image = img.Thumbnail.Data.ToDataUrl("jpg");
}
return(infos);
}
