public DialogResult Display()
{
DialogResult DR = DialogResult.Cancel;
try
{
if (SetPictures.Images == null)
{
SetPictures = ReturnOriginResolutionThumbnailsForAsset(_asset);
}
myPictureBox1.LoadSavedRegions();
DR = this.ShowDialog();
if (DR == DialogResult.OK)
{
myPictureBox1.SaveRegions();
}
}
catch
{
}
return(DR);
}
static ResultAnalysisAsset ReturnOriginResolutionThumbnailsForAsset(IAsset asset) // null if not existing
{
var result = new ResultAnalysisAsset();
string filenameJPG = asset.Id.Substring(Constants.AssetIdPrefix.Length) + "_OriginalRes_000001.jpg";
string path = Path.GetTempPath();
string pathandfile = Path.Combine(path, filenameJPG);
//c7508b75-a451-4887-9435-4a5b39f88c5f_OriginalRes_000001.jpg
//c7508b75-a451-4887-9435-4a5b39f88c5f_metadata.xml
var filesJPG = asset.GetMediaContext().Files.Where(f => f.Name == filenameJPG).OrderBy(f => f.LastModified);
var fileJPG = filesJPG.FirstOrDefault();
if (fileJPG == null)
{
result.Error = true;
return(result);
}
string filenameMetadata = asset.Id.Substring(Constants.AssetIdPrefix.Length) + "_metadata.xml";
var metadataFile = fileJPG.Asset.AssetFiles.Where(f => f.Name == filenameMetadata).FirstOrDefault();
if (metadataFile == null)
{
result.Error = true;
return(result);
}
ILocator saslocator = null;
try
{
// The duration for the locator's access policy.
var policy = asset.GetMediaContext().AccessPolicies.Create("AP AMSE", new TimeSpan(0, 15, 0), AccessPermissions.Read);
saslocator = asset.GetMediaContext().Locators.CreateLocator(LocatorType.Sas, fileJPG.Asset, policy, DateTime.UtcNow.AddMinutes(-5));
// Get original video size from metadata
XDocument doc = XDocument.Load(metadataFile.GetSasUri().ToString());
XNamespace ns = "http://schemas.microsoft.com/windowsazure/mediaservices/2014/07/mediaencoder/inputmetadata";
var bodyxml = doc.Element(ns + "AssetFiles").Element(ns + "AssetFile").Element(ns + "VideoTracks").Element(ns + "VideoTrack");
result.OriginalSize = new Size(int.Parse(bodyxml.Attribute("Width").Value), int.Parse(bodyxml.Attribute("Height").Value));
// Thumbnails
IEnumerable <IAssetFile> Thumbnails = fileJPG.Asset.AssetFiles.ToList().Where(f => f.Name.StartsWith(asset.Id.Substring(Constants.AssetIdPrefix.Length) + "_OriginalRes_") && f.Name.EndsWith(".jpg")).OrderBy(f => f.Name);
// Generate the Progressive Download URLs for each file.
List <Uri> ProgressiveDownloadUris = Thumbnails.Select(af => af.GetSasUri()).ToList();
foreach (var urli in ProgressiveDownloadUris)
{
var request = WebRequest.Create(urli.AbsoluteUri);
using (var response = request.GetResponse())
using (var stream = response.GetResponseStream())
{
result.Images.Add(Bitmap.FromStream(stream));
}
}
}
catch (Exception e)
{
result.Error = true;
}
try
{
if (saslocator != null)
{
saslocator.Delete();
}
}
catch (Exception e)
{ }
return(result);
}
