private async void OnLoaded(object sender, RoutedEventArgs e)
{
_previewImageSource = new SoftwareBitmapSource();
PreviewImage.Source = _previewImageSource;
_cameraHelper = new CameraHelper();
IReadOnlyList <MediaFrameSourceGroup> frameSourceGroups = await CameraHelper.GetFrameSourceGroupsAsync();
CameraHelperResult result = await _cameraHelper.InitializeAndStartCaptureAsync();
if (result == CameraHelperResult.Success)
{
// Subscribe to the video frame as they arrive
_cameraHelper.FrameArrived += CameraHelper_FrameArrived;
FrameSourceGroupCombo.ItemsSource = frameSourceGroups;
FrameSourceGroupCombo.SelectionChanged += FrameSourceGroupCombo_SelectionChanged;
MediaFrameSource frameSource = _cameraHelper.PreviewFrameSource;
_mediaPlayer = new MediaPlayer {
AutoPlay = true, RealTimePlayback = true
};
_mediaPlayer.Source = MediaSource.CreateFromMediaFrameSource(frameSource);
MediaPlayerElementControl.SetMediaPlayer(_mediaPlayer);
FrameSourceGroupCombo.SelectedIndex = 0;
}
}
private async void FrameSourceGroupCombo_SelectionChanged(object sender, SelectionChangedEventArgs e)
{
if (FrameSourceGroupCombo.SelectedItem is MediaFrameSourceGroup selectedGroup)
{
_cameraHelper.FrameSourceGroup = selectedGroup;
CameraHelperResult result = await _cameraHelper.InitializeAndStartCaptureAsync();
MediaFrameSource frameSource = _cameraHelper.PreviewFrameSource;
//_mediaPlayer = new MediaPlayer { AutoPlay = true, RealTimePlayback = true };
_mediaPlayer.Source = MediaSource.CreateFromMediaFrameSource(frameSource);
MediaPlayerElementControl.SetMediaPlayer(_mediaPlayer);
}
}