[host] initial service framework implemented

host/ICapture.h

@@ -0,0 +1,14 @@
+#pragma once
+
+#include <common/KVMGFXHeader.h>
+
+__interface ICapture
+{
+public:
+  bool Initialize();
+  bool DeInitialize();
+  enum FrameType GetFrameType();
+  enum FrameComp GetFrameCompression();
+  size_t GetMaxFrameSize();
+  bool GrabFrame(void * buffer, size_t bufferSize, size_t * outLen);
+};