public static void LoadPhoto()
{
if (App.isRPi)
{
return;
}
Task.Run(async() =>
{
try
{
var stream = await BlobStorageService.DownloadData("dronepictures");
if (stream == null)
{
return;
}
stream.Seek(0, SeekOrigin.Begin);
IRandomAccessStream photoStream = stream.AsRandomAccessStream();
await CoreApplication.MainView.CoreWindow.Dispatcher.RunAsync(CoreDispatcherPriority.Normal, async() =>
{
BitmapImage bitmap = new BitmapImage();
await bitmap.SetSourceAsync(photoStream);
var currentPage = ((ContentControl)Window.Current.Content).Content as Page;
var captureImage = currentPage.FindName("captureImage") as Image;
captureImage.Source = bitmap;
});
}
catch (Exception ex)
{
Debug.WriteLine($"Error during taking photo: {ex.Message}");
}
});
}
private static void ProcessFrames()
{
if (socket == null)
{
return;
}
_stoppedThreads--;
while (_stopThreads == false)
{
try
{
//GarbageCollectorCanWorkHere();
var frame = mediaFrameReader.TryAcquireLatestFrame();
var frameDuration = new Stopwatch();
frameDuration.Start();
if (frame == null ||
frame.VideoMediaFrame == null ||
frame.VideoMediaFrame.SoftwareBitmap == null)
{
continue;
}
using (var stream = new InMemoryRandomAccessStream())
{
using (var bitmap = SoftwareBitmap.Convert(frame.VideoMediaFrame.SoftwareBitmap, BitmapPixelFormat.Bgra8, BitmapAlphaMode.Ignore))
{
var imageTask = BitmapEncoder.CreateAsync(BitmapEncoder.JpegEncoderId, stream, imageQuality).AsTask();
imageTask.Wait();
var encoder = imageTask.Result;
encoder.SetSoftwareBitmap(bitmap);
var flushTask = encoder.FlushAsync().AsTask();
flushTask.Wait();
using (var asStream = stream.AsStream())
{
asStream.Position = 0;
var bytes = new byte[asStream.Length];
asStream.Read(bytes, 0, bytes.Length);
if (getPhoto)
{
getPhoto = false;
Task.Run(async() =>
{
try
{
await BlobStorageService.UploadData("dronepictures", bytes);
Debug.WriteLine($"Photo uploaded successfully.");
var cmd = Encoding.ASCII.GetBytes("#load_photo");
Socket.SendData(cmd);
}
catch (Exception ex)
{
Debug.WriteLine($"Error during photo upload: {ex.Message}");
}
});
}
socket.OutputStream.WriteAsync(bytes.AsBuffer());
encoder = null;
}
}
}
}
catch (ObjectDisposedException) { }
}
_stoppedThreads++;
}
