[host] initial service framework implemented

host/CaptureFactory.h

@@ -0,0 +1,15 @@
+#pragma once
+
+#define W32_LEAN_AND_MEAN
+#include <Windows.h>
+
+#include "ICapture.h"
+
+static class CaptureFactory
+{
+public:
+  static ICapture * GetCaptureDevice()
+  {
+    return NULL;
+  }
+};