private async Task SelectFallbackSourceGroupAsync()
{
#if USE_INFRARED
var devices = await DeviceInformation.FindAllAsync(MediaFrameSourceGroup.GetDeviceSelector());
foreach (var deviceInformation in devices)
{
var sourceGroup = await MediaFrameSourceGroup.FromIdAsync(deviceInformation.Id);
var colorSourceInfos = sourceGroup.SourceInfos.Where(sourceInfo => sourceInfo.SourceKind == MediaFrameSourceKind.Color);
var enclosureLocation = colorSourceInfos.Select(sourceInfo => sourceInfo?.DeviceInformation?.EnclosureLocation).FirstOrDefault(enclosure => enclosure != null);
if (colorSourceInfos.Any() &&
enclosureLocation.Panel == InfraredEnclosureLocation.Panel)
{
FallbackSourceGroup = sourceGroup;
ExclusiveRgbSourceInfo = colorSourceInfos.OrderByDescending(sourceInfo => sourceInfo?.MediaStreamType == ExclusiveIrSourceInfo.MediaStreamType).First();
ColorEnclosureLocation = enclosureLocation;
break;
}
}
#else
SharedSourceInfo = ExclusiveRgbSourceInfo;
SharedSourceGroup = ExclusiveSourceGroup;
#endif
}
public CameraRotationHelper(EnclosureLocation cameraEnclosureLocation)
{
_cameraEnclosureLocation = cameraEnclosureLocation;
if (!IsEnclosureLocationExternal(_cameraEnclosureLocation))
{
_orientationSensor.OrientationChanged += SimpleOrientationSensor_OrientationChanged;
}
_displayInformation.OrientationChanged += DisplayInformation_OrientationChanged;
}
public CameraRotationHelper(EnclosureLocation cameraEnclosureLocation)
{
this.cameraEnclosureLocation = cameraEnclosureLocation;
if (!IsEnclosureLocationExternal(this.cameraEnclosureLocation) && orientationSensor != null)
{
orientationSensor.OrientationChanged += SimpleOrientationSensor_OrientationChanged;
}
displayInformation.OrientationChanged += DisplayInformation_OrientationChanged;
}
private void InitializeCapturePreview(EnclosureLocation cameraLocation)
{
if (cameraLocation != null && cameraLocation.Panel == Windows.Devices.Enumeration.Panel.Front)
{
_capturePreview.FlowDirection = FlowDirection.RightToLeft;
}
_capturePreview.Source = _mediaCapture;
}
public void SetCameraEnclosureLocation(EnclosureLocation cameraEnclosureLocation)
{
_displayInformation = DisplayInformation.GetForCurrentView();
_orientationSensor = SimpleOrientationSensor.GetDefault();
_cameraEnclosureLocation = cameraEnclosureLocation;
if (!IsEnclosureLocationExternal(_cameraEnclosureLocation) && _orientationSensor != null)
{
_orientationSensor.OrientationChanged += SimpleOrientationSensor_OrientationChanged;
}
_displayInformation.OrientationChanged += DisplayInformation_OrientationChanged;
}
public static bool IsEnclosureLocationExternal(EnclosureLocation enclosureLocation)
{
return(enclosureLocation == null || enclosureLocation.Panel == Windows.Devices.Enumeration.Panel.Unknown);
}
private async void Camera_Click(object sender, RoutedEventArgs e)
{
if (isPreviewing)
{
CameraControl.Visibility = Visibility.Collapsed;
LowLagPhotoCapture lowLagCapture = await mediaCapture.PrepareLowLagPhotoCaptureAsync(
ImageEncodingProperties.CreateUncompressed(MediaPixelFormat.Bgra8));
CapturedPhoto capturedPhoto = await lowLagCapture.CaptureAsync();
SoftwareBitmap softwareBitmap = capturedPhoto.Frame.SoftwareBitmap;
if (softwareBitmap.BitmapPixelFormat != BitmapPixelFormat.Bgra8 ||
softwareBitmap.BitmapAlphaMode == BitmapAlphaMode.Straight)
{
softwareBitmap = SoftwareBitmap.Convert(softwareBitmap,
BitmapPixelFormat.Bgra8, BitmapAlphaMode.Premultiplied);
}
var source = new SoftwareBitmapSource();
await source.SetBitmapAsync(softwareBitmap);
Job j = DataContext as Job;
if (j != null)
{
j.Photo = softwareBitmap;
}
await lowLagCapture.FinishAsync();
await CleanupCameraAsync();
isPreviewing = false;
}
else
{
CameraControl.Visibility = Visibility.Visible;
try
{
MediaCaptureInitializationSettings mediaInitSettings =
new MediaCaptureInitializationSettings();
DeviceInformationCollection devices =
await DeviceInformation.FindAllAsync(DeviceClass.VideoCapture);
foreach (var device in devices)
{
EnclosureLocation loc = device.EnclosureLocation;
Debug.WriteLine($"Location: {loc.Panel.ToString()} ID: {device.Id}");
if (sender is Button &&
((Button)sender).Tag.ToString() == loc.Panel.ToString())
{
mediaInitSettings.VideoDeviceId = device.Id;
mediaInitSettings.StreamingCaptureMode = StreamingCaptureMode.Video;
mediaInitSettings.PhotoCaptureSource = PhotoCaptureSource.VideoPreview;
break;
}
}
mediaCapture = new MediaCapture();
await mediaCapture.InitializeAsync(mediaInitSettings);
var resolutions = mediaCapture.VideoDeviceController.GetAvailableMediaStreamProperties(
MediaStreamType.Photo).Select(x => x as VideoEncodingProperties);
var minRes = resolutions.OrderBy(x => x.Height * x.Width).FirstOrDefault();
await mediaCapture.VideoDeviceController.SetMediaStreamPropertiesAsync(
MediaStreamType.VideoPreview, minRes);
PreviewControl.Source = mediaCapture;
await mediaCapture.StartPreviewAsync();
isPreviewing = true;
displayRequest.RequestActive();
DisplayInformation.AutoRotationPreferences = DisplayOrientations.Landscape;
}
catch (UnauthorizedAccessException)
{
// This will be thrown if the user denied access to the camera in privacy settings
Debug.WriteLine("The app was denied access to the camera");
}
catch (Exception ex)
{
Debug.WriteLine("MediaCapture initialization failed. {0}", ex.Message);
}
}
}
