video: add video

- adds incoming video
- adds webcam preview
- adds device enumeration
- adds daemon video signal handlers
- adds outgoing video

Tuleap: #1200
Change-Id: Ife5f6acc2ee400665e096e44e2111e03cab0299a
diff --git a/WelcomePage.xaml.cpp b/WelcomePage.xaml.cpp
index 1a22547..f61275d 100644
--- a/WelcomePage.xaml.cpp
+++ b/WelcomePage.xaml.cpp
@@ -33,8 +33,8 @@
 WelcomePage::PositionImage()

 {

     Rect imageBounds;

-    imageBounds.Width = _welcomePage_->ActualWidth;

-    imageBounds.Height = _welcomePage_->ActualWidth;

+    imageBounds.Width = static_cast<float>(_welcomePage_->ActualWidth);

+    imageBounds.Height = static_cast<float>(_welcomePage_->ActualHeight);

 

     _welcomeImage_->SetValue(Canvas::LeftProperty, imageBounds.Width * 0.5 - _welcomeImage_->Width * 0.5);

     _welcomeImage_->SetValue(Canvas::TopProperty, imageBounds.Height * 0.5 - _welcomeImage_->Height * 0.5);