/// <summary> /// Turn the lamp on /// </summary> public async void TurnOn() { // further information about accessing the camera light can be found here: // http://developer.nokia.com/community/wiki/Using_the_camera_light_in_Windows_Phone_7,_8_and_8.1 if (_avDevice == null) { _avDevice = await AudioVideoCaptureDevice.OpenAsync(CameraSensorLocation.Back, AudioVideoCaptureDevice.GetAvailableCaptureResolutions(CameraSensorLocation.Back).First()); } // turn flashlight on var supportedCameraModes = AudioVideoCaptureDevice .GetSupportedPropertyValues(CameraSensorLocation.Back, KnownCameraAudioVideoProperties.VideoTorchMode); if (supportedCameraModes.ToList().Contains((UInt32)VideoTorchMode.On)) { _avDevice.SetProperty(KnownCameraAudioVideoProperties.VideoTorchMode, VideoTorchMode.On); // set flash power to maxinum _avDevice.SetProperty(KnownCameraAudioVideoProperties.VideoTorchPower, AudioVideoCaptureDevice.GetSupportedPropertyRange(CameraSensorLocation.Back, KnownCameraAudioVideoProperties.VideoTorchPower).Max); } else { Debug.WriteLine("Torch Mode not supported by this device"); } }
private void ToggleFlash() { try { IReadOnlyList <object> supportedCameraModes = AudioVideoCaptureDevice.GetSupportedPropertyValues(_sensorLocation, KnownCameraAudioVideoProperties.VideoTorchMode); //ToDo Don't like this line. Simplify.... if (supportedCameraModes.ToList().Contains((UInt32)VideoTorchMode.On)) { if (!_flashOn) { _captureDevice.SetProperty(KnownCameraAudioVideoProperties.VideoTorchMode, VideoTorchMode.On); _captureDevice.SetProperty(KnownCameraAudioVideoProperties.VideoTorchPower, AudioVideoCaptureDevice.GetSupportedPropertyRange(_sensorLocation, KnownCameraAudioVideoProperties .VideoTorchPower) .Max); _contentGrid.Background = new SolidColorBrush(Colors.White); _flashOn = true; } else { _captureDevice.SetProperty(KnownCameraAudioVideoProperties.VideoTorchMode, VideoTorchMode.Off); _contentGrid.Background = null; _flashOn = false; } } } catch (Exception ex) { _shakeStatusTextBlock.Text = "The flash cannot be controlled on this device."; } }
private void ToggleFlash() { IReadOnlyList <object> supportedCameraModes = AudioVideoCaptureDevice.GetSupportedPropertyValues(_sensorLocation, KnownCameraAudioVideoProperties.VideoTorchMode); if (supportedCameraModes.ToList().Contains((UInt32)VideoTorchMode.On)) { if (!_flashOn) { _captureDevice.SetProperty(KnownCameraAudioVideoProperties.VideoTorchMode, VideoTorchMode.On); _captureDevice.SetProperty(KnownCameraAudioVideoProperties.VideoTorchPower, AudioVideoCaptureDevice.GetSupportedPropertyRange(_sensorLocation, KnownCameraAudioVideoProperties .VideoTorchPower) .Max); _flashOn = true; } else { _captureDevice.SetProperty(KnownCameraAudioVideoProperties.VideoTorchMode, VideoTorchMode.Off); _flashOn = false; } } }
/// <summary> /// Here's where the magic happens. /// </summary> private void ToggleFlash() { try { var vibrator = VibrateController.Default; var supportedCameraModes = AudioVideoCaptureDevice.GetSupportedPropertyValues(SensorLocation, KnownCameraAudioVideoProperties.VideoTorchMode); if (supportedCameraModes.ToList().Contains((UInt32)VideoTorchMode.On)) { if (!_flashOn) { _captureDevice.SetProperty(KnownCameraAudioVideoProperties.VideoTorchMode, VideoTorchMode.On); _captureDevice.SetProperty(KnownCameraAudioVideoProperties.VideoTorchPower, AudioVideoCaptureDevice.GetSupportedPropertyRange(SensorLocation, KnownCameraAudioVideoProperties.VideoTorchPower).Max); if (_appSettings.EnableSoundSetting) { SoundEffects.PlaySound(new Uri(soundOn, UriKind.Relative)); } if (_appSettings.EnableVibrateSetting && vibrator != null) { vibrator.Start(new TimeSpan(0, 0, 0, 0, 20)); } TorchButton.Background = _torchOnImage; _flashOn = true; } else { _captureDevice.SetProperty(KnownCameraAudioVideoProperties.VideoTorchMode, VideoTorchMode.Off); if (_appSettings.EnableSoundSetting) { SoundEffects.PlaySound(new Uri(soundOff, UriKind.Relative)); } if (_appSettings.EnableVibrateSetting && vibrator != null) { vibrator.Start(new TimeSpan(0, 0, 0, 0, 10)); } TorchButton.Background = _torchOffImage; _flashOn = false; } } } catch (Exception ex) { DebugText.Text = ex.Message; } // Update battery icon SetBatteryIcon(); }
static public void Enable() { try { if (isExist) { CamVideo.SetProperty(KnownCameraAudioVideoProperties.VideoTorchMode, VideoTorchMode.On); } } catch { } }
private void OnPhotoCameraInitialized(object sender, CameraOperationCompletedEventArgs e) { MobileBarcodeScanner.Log("Initialized Camera"); if (_photoCamera == null) { return; } MobileBarcodeScanner.Log("Creating Luminance Source"); var width = Convert.ToInt32(_photoCamera.PreviewResolution.Width); var height = Convert.ToInt32(_photoCamera.PreviewResolution.Height); _luminance = new PhotoCameraLuminanceSource(width, height); var supportedCameraModes = AudioVideoCaptureDevice.GetSupportedPropertyValues(_photoCamera.SensorLocation, KnownCameraAudioVideoProperties.VideoTorchMode); if (supportedCameraModes.ToList().Contains((UInt32)VideoTorchMode.On)) { _photoCamera.SetProperty(KnownCameraAudioVideoProperties.VideoTorchMode, VideoTorchMode.Off); } _initialized = true; MobileBarcodeScanner.Log("Luminance Source Created"); OnCameraInitialized(_initialized); }
private void ToggleFlash_Click(object sender, RoutedEventArgs e) { if (flashSupported) { if (flashOn) { captureDevice.SetProperty(KnownCameraAudioVideoProperties.VideoTorchMode, VideoTorchMode.Off); flashImage.Source = App.Current.Resources["flash"] as BitmapImage; } else { captureDevice.SetProperty(KnownCameraAudioVideoProperties.VideoTorchMode, VideoTorchMode.On); flashImage.Source = App.Current.Resources["flashPressed"] as BitmapImage; } flashOn = !flashOn; } }
private async void TurnFlashOn() { if (_avDevice == null) { SetupFlash(); } try { _avDevice.SetProperty(KnownCameraAudioVideoProperties.VideoTorchMode, VideoTorchMode.On); _lightOn = true; PictureSource = "/onresized.png"; } catch (Exception ex) { } }
public static void TurnOffFlashlight(ToggleButton flashlight, AudioVideoCaptureDevice avDevice) { try { avDevice.SetProperty(KnownCameraAudioVideoProperties.VideoTorchMode, VideoTorchMode.Off); flashlight.IsChecked = false; } catch (Exception ex) { MessageBox.Show("Turn Off Flashlight " + ex.Message); } }
public static void TurnOnFlashlight(ToggleButton flashlight, AudioVideoCaptureDevice avDevice, CameraSensorLocation sensorLocation) { try { IReadOnlyList <object> supportedCameraModes = AudioVideoCaptureDevice.GetSupportedPropertyValues(sensorLocation, KnownCameraAudioVideoProperties.VideoTorchMode); if (supportedCameraModes.ToList().Contains((UInt32)VideoTorchMode.On)) { avDevice.SetProperty(KnownCameraAudioVideoProperties.VideoTorchMode, VideoTorchMode.On); // set flash power to maxinum avDevice.SetProperty(KnownCameraAudioVideoProperties.VideoTorchPower, AudioVideoCaptureDevice.GetSupportedPropertyRange(sensorLocation, KnownCameraAudioVideoProperties.VideoTorchPower).Max); } flashlight.IsChecked = true; } catch (Exception ex) { MessageBox.Show("Turn On Flashlight " + ex.Message); } }
private async void StartInternal() { var locations = GetCameraSensorLocations(); var location = locations[0]; if (CaptureArgs.DeviceNumber.HasValue && CaptureArgs.DeviceNumber.Value < locations.Length) { location = locations[CaptureArgs.DeviceNumber.Value]; } else if (DesiredDeviceNumber.HasValue && DesiredDeviceNumber.Value < locations.Length) { location = locations[DesiredDeviceNumber.Value]; DeviceNumber = DesiredDeviceNumber.Value; } Label = GetCameraSensorLocationName(location); Capture = await AudioVideoCaptureDevice.OpenForVideoOnlyAsync(location, GetInitialResolution(location, CaptureArgs.Width, CaptureArgs.Height)); Capture.SetProperty(KnownCameraAudioVideoProperties.VideoFrameRate, CaptureArgs.FrameRate); Capture.PreviewFrameAvailable += Capture_PreviewFrameAvailable; if (Preview != null) { Preview.LoadCamera(Capture); RunOnUIThread(() => { SetRotation(Page.Orientation); Preview.Rotate(BufferRotate); }); } RunOnUIThread(() => { XnaTimer = new DispatcherTimer(); XnaTimer.Interval = TimeSpan.FromMilliseconds(10); XnaTimer.Tick += XnaTimer_Tick; XnaTimer.Start(); }); }
private async void VideoRecord_Loaded(object sender, RoutedEventArgs e) { // 一些概述类的说明 Summary(); // 是否有后置摄像头 if (AudioVideoCaptureDevice.AvailableSensorLocations.Contains(CameraSensorLocation.Back)) { // 获取后置摄像头摄像时的可用分辨率 IReadOnlyList <Windows.Foundation.Size> supportedResolutions = AudioVideoCaptureDevice.GetAvailableCaptureResolutions(CameraSensorLocation.Back); Windows.Foundation.Size resolution = supportedResolutions[0]; try { // 让后置摄像头以指定的分辨率捕获镜头内容 _captureDevice = await AudioVideoCaptureDevice.OpenAsync(CameraSensorLocation.Back, resolution); // AudioVideoCaptureDevice.OpenForVideoOnlyAsync() - 仅捕获视频 // AudioVideoCaptureDevice.OpenForAudioOnlyAsync() - 仅捕获音频 // 录像失败时触发的事件 _captureDevice.RecordingFailed += _captureDevice_RecordingFailed; /* * SetCaptureResolutionAsync() - 设置摄像的分辨率 * CaptureResolution - 获取当前摄像的分辨率 * VideoEncodingFormat - 当前的视频编码格式 * AudioEncodingFormat - 当前的音频编码格式 * FocusRegion - 对焦区域 * SensorLocation - 当前摄像头的位置(CameraSensorLocation 枚举:Back 或 Front) * SensorRotationInDegrees - 获取摄像头传感器相对于屏幕的旋转度数 * FocusAsync() - 自动对焦 * ResetFocusAsync() - 复位对焦 */ /* * KnownCameraAudioVideoProperties 属性集包括 * VideoFrameRate - 每秒抓取的视频帧数 * H264EncodingProfile - H264 编码的 profile(H264EncoderProfile 枚举) * H264EncodingLevel - H264 编码的 level(H264EncoderLevel 枚举) * H264EnableKeyframes - 是否启用关键帧 * H264QuantizationParameter - QP 值,低的 QP 会保留大部分空间的详细信息,从而达到最佳质量,高的 QP 会在一定程度上造成质量的损失,但能帮助编码器实现较低的比特率 * H264RequestDropNextNFrames - 指定编码器应丢弃的帧数 * H264RequestIdrFrame - 此属性设置为 true 时,系统请求编码流程进行瞬时解码刷新(IDR) * UnmuteAudioWhileRecording - 此属性设置为 true 时,能在记录期间为音频取消静音 * VideoTorchMode - 录像时如何使用闪光灯(VideoTorchMode 枚举:Off, Auto, On) * VideoTorchPower - 录像时闪光灯的亮度,无单位且不同设备上的值不同 */ _captureDevice.SetProperty(KnownCameraAudioVideoProperties.H264EncodingProfile, H264EncoderProfile.Baseline); /* * KnownCameraGeneralProperties 属性集包括 * AutoFocusRange - 自动对焦的范围(AutoFocusRange 枚举,包括微距等) * EncodeWithOrientation - 视频编码时的旋转角度,必须是 90 的倍数 * SpecifiedCaptureOrientation - 元数据中的旋转角度,必须是 90 的倍数 * IsShutterSoundEnabledByUser - 用户是否启用了快门声音,只读 * IsShutterSoundRequiredForRegion - 运行应用程序的区域是否需要快门声音(有些区域为了保护隐私,要求照相或录像必须要有快门声音),只读 * PlayShutterSoundOnCapture - 指定捕获时是否播放快门声音 * ManualFocusPosition - 手动对焦的位置 */ _captureDevice.SetProperty(KnownCameraGeneralProperties.AutoFocusRange, AutoFocusRange.Normal); _captureDevice.SetProperty(KnownCameraGeneralProperties.EncodeWithOrientation, _captureDevice.SensorRotationInDegrees); // 获取指定属性的值 // _captureDevice.GetProperty(KnownCameraGeneralProperties.IsShutterSoundEnabledByUser); /* * 获取指定的范围类属性在当前摄像头中所允许的值的范围 */ // AudioVideoCaptureDevice.GetSupportedPropertyRange(CameraSensorLocation.Back, KnownCameraAudioVideoProperties.H264QuantizationParameter); /* * 获取指定的值类属性在当前摄像头中所允许的值的列表 */ // AudioVideoCaptureDevice.GetSupportedPropertyValues(CameraSensorLocation.Back, KnownCameraAudioVideoProperties.H264EncodingProfile); // 实时显示捕获的内容 videoBrush.SetSource(_captureDevice); // 扩展方法来自:Microsoft.Devices.CameraVideoBrushExtensions rt.Angle = _captureDevice.SensorRotationInDegrees; } catch (Exception ex) { MessageBox.Show(ex.ToString()); } } else { MessageBox.Show("没有后置摄像头"); } }
private async void VideoRecord_Loaded(object sender, RoutedEventArgs e) { // 一些概述类的说明 Summary(); // 是否有后置摄像头 if (AudioVideoCaptureDevice.AvailableSensorLocations.Contains(CameraSensorLocation.Back)) { // 获取后置摄像头摄像时的可用分辨率 IReadOnlyList<Windows.Foundation.Size> supportedResolutions = AudioVideoCaptureDevice.GetAvailableCaptureResolutions(CameraSensorLocation.Back); Windows.Foundation.Size resolution = supportedResolutions[0]; try { // 让后置摄像头以指定的分辨率捕获镜头内容 _captureDevice = await AudioVideoCaptureDevice.OpenAsync(CameraSensorLocation.Back, resolution); // AudioVideoCaptureDevice.OpenForVideoOnlyAsync() - 仅捕获视频 // AudioVideoCaptureDevice.OpenForAudioOnlyAsync() - 仅捕获音频 // 录像失败时触发的事件 _captureDevice.RecordingFailed += _captureDevice_RecordingFailed; /* * SetCaptureResolutionAsync() - 设置摄像的分辨率 * CaptureResolution - 获取当前摄像的分辨率 * VideoEncodingFormat - 当前的视频编码格式 * AudioEncodingFormat - 当前的音频编码格式 * FocusRegion - 对焦区域 * SensorLocation - 当前摄像头的位置(CameraSensorLocation 枚举:Back 或 Front) * SensorRotationInDegrees - 获取摄像头传感器相对于屏幕的旋转度数 * FocusAsync() - 自动对焦 * ResetFocusAsync() - 复位对焦 */ /* * KnownCameraAudioVideoProperties 属性集包括 * VideoFrameRate - 每秒抓取的视频帧数 * H264EncodingProfile - H264 编码的 profile(H264EncoderProfile 枚举) * H264EncodingLevel - H264 编码的 level(H264EncoderLevel 枚举) * H264EnableKeyframes - 是否启用关键帧 * H264QuantizationParameter - QP 值,低的 QP 会保留大部分空间的详细信息,从而达到最佳质量,高的 QP 会在一定程度上造成质量的损失,但能帮助编码器实现较低的比特率 * H264RequestDropNextNFrames - 指定编码器应丢弃的帧数 * H264RequestIdrFrame - 此属性设置为 true 时,系统请求编码流程进行瞬时解码刷新(IDR) * UnmuteAudioWhileRecording - 此属性设置为 true 时,能在记录期间为音频取消静音 * VideoTorchMode - 录像时如何使用闪光灯(VideoTorchMode 枚举:Off, Auto, On) * VideoTorchPower - 录像时闪光灯的亮度,无单位且不同设备上的值不同 */ _captureDevice.SetProperty(KnownCameraAudioVideoProperties.H264EncodingProfile, H264EncoderProfile.Baseline); /* * KnownCameraGeneralProperties 属性集包括 * AutoFocusRange - 自动对焦的范围(AutoFocusRange 枚举,包括微距等) * EncodeWithOrientation - 视频编码时的旋转角度,必须是 90 的倍数 * SpecifiedCaptureOrientation - 元数据中的旋转角度,必须是 90 的倍数 * IsShutterSoundEnabledByUser - 用户是否启用了快门声音,只读 * IsShutterSoundRequiredForRegion - 运行应用程序的区域是否需要快门声音(有些区域为了保护隐私,要求照相或录像必须要有快门声音),只读 * PlayShutterSoundOnCapture - 指定捕获时是否播放快门声音 * ManualFocusPosition - 手动对焦的位置 */ _captureDevice.SetProperty(KnownCameraGeneralProperties.AutoFocusRange, AutoFocusRange.Normal); _captureDevice.SetProperty(KnownCameraGeneralProperties.EncodeWithOrientation, _captureDevice.SensorRotationInDegrees); // 获取指定属性的值 // _captureDevice.GetProperty(KnownCameraGeneralProperties.IsShutterSoundEnabledByUser); /* * 获取指定的范围类属性在当前摄像头中所允许的值的范围 */ // AudioVideoCaptureDevice.GetSupportedPropertyRange(CameraSensorLocation.Back, KnownCameraAudioVideoProperties.H264QuantizationParameter); /* * 获取指定的值类属性在当前摄像头中所允许的值的列表 */ // AudioVideoCaptureDevice.GetSupportedPropertyValues(CameraSensorLocation.Back, KnownCameraAudioVideoProperties.H264EncodingProfile); // 实时显示捕获的内容 videoBrush.SetSource(_captureDevice); // 扩展方法来自:Microsoft.Devices.CameraVideoBrushExtensions rt.Angle = _captureDevice.SensorRotationInDegrees; } catch (Exception ex) { MessageBox.Show(ex.ToString()); } } else { MessageBox.Show("没有后置摄像头"); } }