private async static void CheckCamera() { DeviceInformation _cameraDevice; var allVideoDevices = await DeviceInformation.FindAllAsync(DeviceClass.VideoCapture); DeviceInformation desiredDevice = allVideoDevices.FirstOrDefault(x => x.EnclosureLocation != null && x.EnclosureLocation.Panel == Windows.Devices.Enumeration.Panel.Front); _cameraDevice = desiredDevice ?? allVideoDevices.FirstOrDefault(); var crh = new CameraRotationHelper(_cameraDevice.EnclosureLocation); crh.OrientationChanged += OnOrientationChanged; Debug.WriteLine($"{crh.GetCameraCaptureOrientation()}"); }
/// <summary> /// Takes a photo to a StorageFile and adds rotation metadata to it /// </summary> /// <returns></returns> private async Task TakePhotoAsync() { // While taking a photo, keep the video button enabled only if the camera supports simultaneously taking pictures and recording video //VideoButton.IsEnabled = _mediaCapture.MediaCaptureSettings.ConcurrentRecordAndPhotoSupported; // Make the button invisible if it's disabled, so it's obvious it cannot be interacted with //VideoButton.Opacity = VideoButton.IsEnabled ? 1 : 0; var stream = new InMemoryRandomAccessStream(); Debug.WriteLine("Taking photo..."); await _mediaCapture.CapturePhotoToStreamAsync(ImageEncodingProperties.CreateJpeg(), stream); try { var file = await _captureFolder.CreateFileAsync("SimplePhoto.jpg", CreationCollisionOption.GenerateUniqueName); Debug.WriteLine("Photo taken! Saving to " + file.Path); var photoOrientation = CameraRotationHelper.ConvertSimpleOrientationToPhotoOrientation(_rotationHelper.GetCameraCaptureOrientation()); await ReencodeAndSavePhotoAsync(stream, file, photoOrientation); Debug.WriteLine("Photo saved!"); } catch (Exception ex) { // File I/O errors are reported as exceptions Debug.WriteLine("Exception when taking a photo: " + ex.ToString()); } // Done taking a photo, so re-enable the button //VideoButton.IsEnabled = true; //VideoButton.Opacity = 1; }
/// <summary> /// Records an MP4 video to a StorageFile and adds rotation metadata to it /// </summary> /// <returns></returns> private async Task StartRecordingAsync() { try { // Create storage file for the capture var videoFile = await localFolder.CreateFileAsync($"Video {DateTime.Now:D}.mp4", CreationCollisionOption.GenerateUniqueName); var encodingProfile = MediaEncodingProfile.CreateMp4(VideoEncodingQuality.Auto); // Calculate rotation angle, taking mirroring into account if necessary var rotationAngle = CameraRotationHelper.ConvertSimpleOrientationToClockwiseDegrees(rotationHelper.GetCameraCaptureOrientation()); encodingProfile?.Video?.Properties.Add(RotationKey, PropertyValue.CreateInt32(rotationAngle)); Debug.WriteLine("Starting recording to " + videoFile.Path); await mediaCapture.StartRecordToStorageFileAsync(encodingProfile, videoFile); isRecording = true; Debug.WriteLine("Started recording!"); } catch (Exception ex) { // File I/O errors are reported as exceptions Debug.WriteLine("Exception when starting video recording: " + ex.ToString()); } }
public async Task StartAsync() { m_isRecording = true; if (m_isVideo) { var profile = MediaEncodingProfile.CreateMp4(VideoEncodingQuality.Auto); var rotationAngle = CameraRotationHelper.ConvertSimpleOrientationToClockwiseDegrees(_rotationHelper.GetCameraCaptureOrientation()); profile.Video.Properties.Add(new Guid("C380465D-2271-428C-9B83-ECEA3B4A85C1"), PropertyValue.CreateInt32(rotationAngle)); m_lowLag = await m_mediaCapture.PrepareLowLagRecordToStorageFileAsync(profile, m_file); await m_lowLag.StartAsync(); } else { var wavEncodingProfile = MediaEncodingProfile.CreateWav(AudioEncodingQuality.High); wavEncodingProfile.Audio.BitsPerSample = 16; wavEncodingProfile.Audio.SampleRate = 48000; wavEncodingProfile.Audio.ChannelCount = 1; m_opusSink = await OpusCodec.CreateMediaSinkAsync(m_file); await m_mediaCapture.StartRecordToCustomSinkAsync(wavEncodingProfile, m_opusSink); } }
/// <summary> /// Takes a photo to a StorageFile and adds rotation metadata to it /// </summary> /// <returns></returns> private async Task TakePhotoAsync() { var stream = new InMemoryRandomAccessStream(); Debug.WriteLine("Taking photo..."); await _mediaCapture.CapturePhotoToStreamAsync(ImageEncodingProperties.CreateJpeg(), stream); try { var file = await _captureFolder.CreateFileAsync("SimplePhoto.jpg", CreationCollisionOption.GenerateUniqueName); Debug.WriteLine("Photo taken! Saving to " + file.Path); var photoOrientation = CameraRotationHelper.ConvertSimpleOrientationToPhotoOrientation(_rotationHelper.GetCameraCaptureOrientation()); await ReencodeAndSavePhotoAsync(stream, file, photoOrientation); PickImage.LoadImagesFromFileClicked(file); Debug.WriteLine("Photo saved!"); } catch (Exception ex) { // File I/O errors are reported as exceptions Debug.WriteLine("Exception when taking a photo: " + ex.ToString()); } }
public async void CapturePhoto_Click(object sender, RoutedEventArgs e) { //Getting access to Pictures folder var myPictures = await StorageLibrary.GetLibraryAsync(KnownLibraryId.Pictures); //Createing the file that will be saved StorageFile file = await myPictures.SaveFolder.CreateFileAsync("night-photo.jpg", CreationCollisionOption.GenerateUniqueName); //Capture a photo to the stream using (var captureStream = new InMemoryRandomAccessStream()) { //Common encoding with JPEG format await _mediaCapture.CapturePhotoToStreamAsync(ImageEncodingProperties.CreateJpeg(), captureStream); using (var fileStream = await file.OpenAsync(FileAccessMode.ReadWrite)) { //Decode the image from the memory stream var decoder = await BitmapDecoder.CreateAsync(captureStream); //Encode the image to file var encoder = await BitmapEncoder.CreateForTranscodingAsync(fileStream, decoder); //Getting the current orientation of the device var photoOrientation = CameraRotationHelper.ConvertSimpleOrientationToPhotoOrientation(_rotationHelper.GetCameraCaptureOrientation()); //Including metadata about the photo in the image file var properties = new BitmapPropertySet { { "System.Photo.Orientation", new BitmapTypedValue(photoOrientation, PropertyType.UInt16) } }; await encoder.BitmapProperties.SetPropertiesAsync(properties); await encoder.FlushAsync(); } } }