async void MainPage_Loaded(object sender, System.Windows.RoutedEventArgs e)
{
Size targetMediaElementSize = new Size(640, 480);
double aspectRatio = 4.0 / 3.0;
// 1. Open camera
if (m_camera == null)
{
var captureRes = PhotoCaptureDevice.GetAvailableCaptureResolutions(CameraSensorLocation.Back);
Size selectedCaptureRes = captureRes.Where(res => Math.Abs(aspectRatio - res.Width / res.Height) <= 0.1)
.OrderBy(res => res.Width)
.Last();
m_camera = await PhotoCaptureDevice.OpenAsync(CameraSensorLocation.Back, selectedCaptureRes);
m_camera.SetProperty(KnownCameraGeneralProperties.EncodeWithOrientation, m_camera.SensorLocation == CameraSensorLocation.Back ? m_camera.SensorRotationInDegrees : -m_camera.SensorRotationInDegrees);
var previewRes = PhotoCaptureDevice.GetAvailablePreviewResolutions(CameraSensorLocation.Back);
Size selectedPreviewRes = previewRes.Where(res => Math.Abs(aspectRatio - res.Width / res.Height) <= 0.1)
.Where(res => (res.Height >= targetMediaElementSize.Height) && (res.Width >= targetMediaElementSize.Width))
.OrderBy(res => res.Width)
.First();
await m_camera.SetPreviewResolutionAsync(selectedPreviewRes);
cameraEffect.CaptureDevice = m_camera;
}
// Always create a new source, otherwise the MediaElement will not start.
source = new CameraStreamSource(cameraEffect, targetMediaElementSize);
MyCameraMediaElement.SetSource(source);
m_timer = new DispatcherTimer();
m_timer.Interval = new TimeSpan(0, 0, 0, 1, 0); // Tick every 1s.
m_timer.Tick += m_timer_Tick;
m_timer.Start();
}
async void MainPage_Loaded(object sender, System.Windows.RoutedEventArgs e)
{
Size targetMediaElementSize = new Size(640, 480);
double aspectRatio = 4.0/3.0;
// 1. Open camera
if (m_camera == null)
{
var captureRes = PhotoCaptureDevice.GetAvailableCaptureResolutions(CameraSensorLocation.Back);
Size selectedCaptureRes = captureRes.Where(res => Math.Abs(aspectRatio - res.Width/res.Height ) <= 0.1)
.OrderBy(res => res.Width)
.Last();
m_camera = await PhotoCaptureDevice.OpenAsync(CameraSensorLocation.Back, selectedCaptureRes);
m_camera.SetProperty(KnownCameraGeneralProperties.EncodeWithOrientation, m_camera.SensorLocation == CameraSensorLocation.Back ? m_camera.SensorRotationInDegrees : -m_camera.SensorRotationInDegrees);
var previewRes = PhotoCaptureDevice.GetAvailablePreviewResolutions(CameraSensorLocation.Back);
Size selectedPreviewRes = previewRes.Where(res => Math.Abs(aspectRatio - res.Width/res.Height ) <= 0.1)
.Where(res => (res.Height >= targetMediaElementSize.Height) && (res.Width >= targetMediaElementSize.Width))
.OrderBy(res => res.Width)
.First();
await m_camera.SetPreviewResolutionAsync(selectedPreviewRes);
cameraEffect.CaptureDevice = m_camera;
}
// Always create a new source, otherwise the MediaElement will not start.
source = new CameraStreamSource(cameraEffect, targetMediaElementSize);
MyCameraMediaElement.SetSource(source);
m_timer = new DispatcherTimer();
m_timer.Interval = new TimeSpan(0, 0, 0, 1, 0); // Tick every 1s.
m_timer.Tick += m_timer_Tick;
m_timer.Start();
}
