Extract frame transfer callbacks

apps/LoopThroughWithOpenGLCompositing/gl/OpenGLComposite.h

@@ -63,12 +63,10 @@
 #include <vector>
 #include <deque>
 
-class PlayoutDelegate;
-class CaptureDelegate;
-class PinnedMemoryAllocator;
 class ControlServer;
 class DeckLinkSession;
 class OscServer;
+class OpenGLDeckLinkBridge;
 class OpenGLRenderPass;
 class OpenGLShaderPrograms;
 
@@ -116,6 +114,7 @@ private:
 	std::unique_ptr<DeckLinkSession>			mDeckLink;
 	std::unique_ptr<OpenGLRenderer>			mRenderer;
 	std::unique_ptr<RuntimeHost>				mRuntimeHost;
+	std::unique_ptr<OpenGLDeckLinkBridge>	mDeckLinkBridge;
 	std::unique_ptr<OpenGLRenderPass>		mRenderPass;
 	std::unique_ptr<OpenGLShaderPrograms>	mShaderPrograms;
 	std::unique_ptr<ControlServer>			mControlServer;