public async static Task <String> ProcessTakePictureCommand(TakePictureCommandEventArgs e)
{
string photoFileName = "";
try
{
DeviceInformation camera = Cameras[e.Camera];
MediaCapture mediaCapture = new MediaCapture();
MediaCaptureInitializationSettings settings = new MediaCaptureInitializationSettings {
VideoDeviceId = camera.Id, StreamingCaptureMode = StreamingCaptureMode.Video
};
await mediaCapture.InitializeAsync(settings);
// Photo StorageFile.
StorageFile photoFile;
// Photo file name.
//string photoFileName = buildDateTimeStamp() + ".jpg";
photoFileName = BuildFileName(e);
// Create the PhotoFile in the PicturesLibrary System folder.
photoFile = await KnownFolders.PicturesLibrary.CreateFileAsync(photoFileName, CreationCollisionOption.ReplaceExisting);
// Create an ImageEncodingProperties object for the photo file.
ImageEncodingProperties imageProperties = ImageEncodingProperties.CreateJpeg();
// Using the MediaCapture, capture the photo and save it to the PicturesLibrary System folder.
await mediaCapture.CapturePhotoToStorageFileAsync(imageProperties, photoFile);
// Create an Azure CloudStorageAccount object.
CloudStorageAccount storageAccount = CloudStorageAccount.Parse("DefaultEndpointsProtocol=https;AccountName=" + azureStorageAccount + ";AccountKey=" + azureStoragePrimaryKey);
// Create a CloudBlobClient object using the CloudStorageAccount.
CloudBlobClient blobClient = storageAccount.CreateCloudBlobClient();
// Create a CloudBlobContain object using the CloudBlobClient.
CloudBlobContainer container = blobClient.GetContainerReference(azureStorageContainer);
// Create a CloudBlockBlob using the CloudBlobContainer.
CloudBlockBlob blockBlob = container.GetBlockBlobReference(photoFileName);
// Using the CloudBlockBlob, Upload the file to Azure.
await blockBlob.UploadFromFileAsync(photoFile);
// Clean up the media capture
mediaCapture.Dispose();
mediaCapture = null;
}
catch (Exception ex)
{
throw(ex);
}
return(photoFileName);
// catch (UnauthorizedAccessException)
// {
// // This will be thrown if the user denied access to the camera in privacy settings
// System.Diagnostics.Debug.WriteLine("The app was denied access to the camera");
// }
// catch (Exception ex)
// {
// System.Diagnostics.Debug.WriteLine("MediaCapture initialization failed. {0}", ex.Message);
// }
//}
}
private async void IoTHubDeviceService_TakePictureCommandReceived(object sender, TakePictureCommandEventArgs e)
{
//Using a zero based index... Hmm...
if (e.Camera >= 0 && e.Camera < CameraService.Cameras.Count)
{
await SoundService.PlayAudioFileAsync("pictake01.wav");
//Debug.WriteLine(String.Format("Taking picture for Team {0} with camera: {1}", e.CommandMessage.Team, e.Camera));
try
{
//string fileName = await CameraService.ProcessTakePictureCommand(e);
string fileName = await CameraService.ProcessTakePictureCommandFixed(e);
string msg = String.Format("Team {0}, the photo from camera {1} has been uploaded to '{0}-<correlation-id>.jpg'", e.CommandMessage.Team, e.Camera);
SendDeviceMessage(e.CommandMessage.Team, e.Message.MessageId, msg);
}
catch (Exception ex)
{
string msg = String.Format("Team {0}, there was a problem uploading the photo from camera {1}.", e.CommandMessage.Team, e.Camera);
SendDeviceMessage(e.CommandMessage.Team, e.Message.MessageId, msg);
}
}
else
{
await SoundService.PlayAudioFileAsync("soundeffect02.wav");
string msg = String.Format("Team {0}, the following camera is invalid: {1}", e.CommandMessage.Team, e.Camera);
SendDeviceMessage(e.CommandMessage.Team, e.Message.MessageId, msg);
}
}
private static string BuildFileName(TakePictureCommandEventArgs e)
{
return(String.Format("{0}-{1}.jpg", e.CommandMessage.Team, e.Message.MessageId));
}
