private async Task StartPreviewAsync()
{
try
{
mediaCapture = new MediaCapture();
await mediaCapture.InitializeAsync();
PreviewControl.Source = mediaCapture;
//<SnippetAddVideoEffectAsync>
var videoEffectDefinition = new VideoEffectDefinition("VideoEffectComponent.ExampleVideoEffect");
IMediaExtension videoEffect =
await mediaCapture.AddVideoEffectAsync(videoEffectDefinition, MediaStreamType.VideoPreview);
videoEffect.SetProperties(new PropertySet()
{
{ "FadeValue", .25 }
});
await mediaCapture.StartPreviewAsync();
//</SnippetAddVideoEffectAsync>
}
catch (Exception)
{
System.Diagnostics.Debug.WriteLine("MediaCapture initialization failed.");
}
}
private void CosmeticsControl_SelectionChanged(object sender, SelectionChangedEventArgs e)
{
if (e.AddedItems.Count != 0)
{
VideoEffect?.SetProperties(new PropertySet()
{
{ "LipColor", (e.AddedItems[0] as CosmeticsItem).LipColor }
});
}
}
private async void CoreApplication_LeavingBackground(object sender, LeavingBackgroundEventArgs e)
{
var Deferral = e.GetDeferral();
if (ApplicationData.Current.LocalSettings.Values["LastSelectedCameraSource"] is string LastSelectedCameraSource)
{
var MediaFraSourceGroup = await MediaFrameSourceGroup.FindAllAsync();
foreach (var FrameSource in from MediaFrameSourceGroup FrameSource in MediaFraSourceGroup
where FrameSource.DisplayName == LastSelectedCameraSource
select FrameSource)
{
CaptureControl.Source = Capture = await MediaCaptureProvider.SetFrameSourceAndInitializeCaptureAsync(FrameSource);
break;
}
}
else
{
CaptureControl.Source = Capture = await MediaCaptureProvider.SetFrameSourceAndInitializeCaptureAsync();
}
ApplicationData.Current.LocalSettings.Values["ReturnCosmeticsEffectExcution"] = true;
VideoEffectDefinition EffectDefinition = new VideoEffectDefinition("CosmeticsEffect.CosmeticsVideoEffect");
ApplicationData.Current.LocalSettings.Values["ReturnCosmeticsEffectExcution"] = false;
VideoEffect = await Capture.AddVideoEffectAsync(EffectDefinition, MediaStreamType.VideoPreview);
CaptureControl.Source = Capture;
await Capture.StartPreviewAsync();
VideoEffect.SetProperties(new PropertySet()
{
{ "LipColor", (CosmeticsControl.SelectedItem as CosmeticsItem).LipColor }
});
StayAwake.RequestActive();
Deferral.Complete();
}
private async Task StartPreviewAsyncWin2D()
{
try
{
mediaCapture = new MediaCapture();
await mediaCapture.InitializeAsync();
PreviewControl.Source = mediaCapture;
//TEMP
IEnumerable <StreamPropertiesHelper> allStreamProperties =
mediaCapture.VideoDeviceController.GetAvailableMediaStreamProperties(MediaStreamType.VideoPreview).Select(x => new StreamPropertiesHelper(x));
allStreamProperties = allStreamProperties.OrderByDescending(x => x.Height * x.Width);
await mediaCapture.VideoDeviceController.SetMediaStreamPropertiesAsync(MediaStreamType.VideoPreview, allStreamProperties.Last().EncodingProperties);
//<SnippetAddVideoEffectAsyncWin2D>
var videoEffectDefinition = new VideoEffectDefinition("VideoEffectComponent.ExampleVideoEffectWin2D");
IMediaExtension videoEffect =
await mediaCapture.AddVideoEffectAsync(videoEffectDefinition, MediaStreamType.VideoPreview);
videoEffect.SetProperties(new PropertySet()
{
{ "BlurAmount", 1.0 }
});
await mediaCapture.StartPreviewAsync();
//</SnippetAddVideoEffectAsyncWin2D>
}
catch (Exception)
{
System.Diagnostics.Debug.WriteLine("MediaCapture initialization failed.");
}
}