private async void init()
{
await capture.InitializeAsync();
captureElement.Source = capture;
await capture.StartPreviewAsync();
loading.Visibility = Visibility.Collapsed;
#region Error handling
MediaCaptureFailedEventHandler handler = (sender, e) =>
{
System.Threading.Tasks.Task task = System.Threading.Tasks.Task.Run(async() =>
{
await new MessageDialog("There was an error capturing the video from camera.", "Error").ShowAsync();
});
};
capture.Failed += handler;
#endregion
#region Advanced topic; I will complete this region later
try
{
// FaceTracker tracker = await FaceTracker.CreateAsync();
// await tracker.ProcessNextFrameAsync(await capture.GetPreviewFrameAsync());
} catch (Exception e)
{
await new MessageDialog(e.InnerException.Message, "Error").ShowAsync();
}
#endregion
}
private async void InitCapture()
// Initialize everything about MediaCapture.
{
this.captureMgr = new MediaCapture();
await this.captureMgr.InitializeAsync();
// Use the lowest resolution in order to speed up the process.
this.SetCaptureElementToMinResolution();
// Start the camera preview.
captureElement.Source = this.captureMgr;
await this.captureMgr.StartPreviewAsync();
// Ask the camera to auto-focus now.
var focusControl = this.captureMgr.VideoDeviceController.FocusControl;
//var modes = focusControl.SupportedFocusModes;
//var settings = new FocusSettings
//{
// Mode = FocusMode.Auto,
// //Value = 100,
// //AutoFocusRange = AutoFocusRange.FullRange,
// DisableDriverFallback = true
//};
//focusControl.Configure(settings);
//await focusControl.FocusAsync();
#region Error handling
MediaCaptureFailedEventHandler handler = (sender, e) =>
{
System.Threading.Tasks.Task task = System.Threading.Tasks.Task.Run(async() =>
{
await new MessageDialog("There was an error capturing the video from camera.", "Error").ShowAsync();
});
};
this.captureMgr.Failed += handler;
#endregion
}
private async Task<MediaCapture> InitMediaCapture(MediaCaptureInitializationSettings Settings,
MediaCaptureFailedEventHandler FailedDelegate,
RecordLimitationExceededEventHandler LimitationDelegate)
{
if (Settings == null)
{
return null;
}
MediaCapture capture = new MediaCapture();
await capture.InitializeAsync(Settings);
capture.Failed += FailedDelegate;
capture.RecordLimitationExceeded += LimitationDelegate;
return capture;
}
