omxilvideocomps/omxilvideoscheduler/src/buffercopier.h
changeset 0 5d29cba61097
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/omxilvideocomps/omxilvideoscheduler/src/buffercopier.h	Fri Oct 08 22:09:17 2010 +0100
@@ -0,0 +1,68 @@
+/*
+* Copyright (c) 2008 Nokia Corporation and/or its subsidiary(-ies).
+* All rights reserved.
+* This component and the accompanying materials are made available
+* under the terms of "Eclipse Public License v1.0"
+* which accompanies this distribution, and is available
+* at the URL "http://www.eclipse.org/legal/epl-v10.html".
+*
+* Initial Contributors:
+* Nokia Corporation - initial contribution.
+*
+* Contributors:
+*
+* Description:
+*
+*/
+
+
+/**
+@file
+@internalComponent
+*/
+
+#ifndef BUFFERCOPIER_H_
+#define BUFFERCOPIER_H_
+
+#include <e32base.h>
+#include <e32msgqueue.h>
+#include <openmax/il/khronos/v1_x/OMX_Core.h>
+
+class MBufferCopierIf
+	{
+public:
+	/** Called when the buffer copier has transferred the data from an input buffer to an output buffer. */
+	virtual void MbcBufferCopied(OMX_BUFFERHEADERTYPE* aInBuffer, OMX_BUFFERHEADERTYPE* aOutBuffer) = 0;
+	/** Called when a buffer is flushed from the buffer copier. */
+	virtual void MbcBufferFlushed(OMX_BUFFERHEADERTYPE* aBuffer, OMX_DIRTYPE aDirection) = 0;
+	};
+
+class CBufferCopier : public CActive
+	{
+public:
+	static CBufferCopier* NewL(MBufferCopierIf& aCallback, TInt aMaxBuffers);
+	~CBufferCopier();
+	
+	void DeliverBuffer(OMX_BUFFERHEADERTYPE* aBuffer, OMX_DIRTYPE aDirection);
+	TBool RemoveBuffer(OMX_BUFFERHEADERTYPE* aBuffer, OMX_DIRTYPE aDirection);
+	void FlushBuffers(OMX_DIRTYPE aDirection);
+	
+protected:
+	void RunL();
+	void DoCancel();
+	
+private:
+	CBufferCopier(MBufferCopierIf& aCallback);
+	void ConstructL(TInt aMaxBuffers);
+	
+	void CopyBuffer(OMX_BUFFERHEADERTYPE* aInBuffer, OMX_BUFFERHEADERTYPE* aOutBuffer);
+	TBool RemoveFromQueue(RMsgQueue<OMX_BUFFERHEADERTYPE*>& aQueue, OMX_BUFFERHEADERTYPE* aBufferHeader);
+
+	MBufferCopierIf& iCallback;
+	RMsgQueue<OMX_BUFFERHEADERTYPE*> iInQueue;
+	RMsgQueue<OMX_BUFFERHEADERTYPE*> iOutQueue;
+	RMsgQueue<OMX_BUFFERHEADERTYPE*> iRemoveQueue;
+	OMX_BUFFERHEADERTYPE* iInBuffer;
+	};
+
+#endif /*BUFFERCOPIER_H_*/