Video backend

apps/LoopThroughWithOpenGLCompositing/gl/pipeline/OpenGLVideoIOBridge.h

@@ -13,7 +13,7 @@ class OpenGLVideoIOBridge
 {
 public:
 	OpenGLVideoIOBridge(
-		VideoIODevice& videoIO,
+		VideoIODevice* videoIO,
 		OpenGLRenderer& renderer,
 		OpenGLRenderPipeline& renderPipeline,
 		RuntimeHost& runtimeHost,
@@ -21,13 +21,15 @@ public:
 		HDC hdc,
 		HGLRC hglrc);
 
+	void SetVideoIODevice(VideoIODevice* videoIO);
+
 	void VideoFrameArrived(const VideoIOFrame& inputFrame);
 	void PlayoutFrameCompleted(const VideoIOCompletion& completion);
 
 private:
 	void RecordFramePacing(VideoIOCompletionResult completionResult);
 
-	VideoIODevice& mVideoIO;
+	VideoIODevice* mVideoIO;
 	OpenGLRenderer& mRenderer;
 	OpenGLRenderPipeline& mRenderPipeline;
 	RuntimeHost& mRuntimeHost;