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// Copyright (c) 2005-2009 Nokia Corporation and/or its subsidiary(-ies).
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// All rights reserved.
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// This component and the accompanying materials are made available
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// under the terms of "Eclipse Public License v1.0"
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// which accompanies this distribution, and is available
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// at the URL "http://www.eclipse.org/legal/epl-v10.html".
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//
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// Initial Contributors:
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// Nokia Corporation - initial contribution.
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//
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// Contributors:
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//
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// Description:
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//
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#ifndef OMX_COMPONENTIMPL_H
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#define OMX_COMPONENTIMPL_H
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#include <e32msgqueue.h>
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class CMMFBuffer;
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class COmxBufferManager : public CBase
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{
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public:
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class COmxBuffer : public CBase
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{
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public:
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static COmxBuffer* NewL(OMX_BUFFERHEADERTYPE* aBufferHeader, CMMFBuffer* aBuffer);
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~COmxBuffer();
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CMMFBuffer* MmfBuffer() const;
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OMX_BUFFERHEADERTYPE* BufferHeader() const;
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void SetInputPortCallbacks(MOmxInputPortCallbacks* aCallbacks);
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void SetOutputPortCallbacks(MOmxOutputPortCallbacks* aCallbacks);
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MOmxInputPortCallbacks* InputPortCallbacks() const;
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MOmxOutputPortCallbacks* OutputPortCallbacks() const;
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private:
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COmxBuffer();
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void ConstructL(OMX_BUFFERHEADERTYPE* aBufferHeader, CMMFBuffer* aBuffer);
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OMX_BUFFERHEADERTYPE* iBufferHeader;
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CMMFBuffer* iMmfBuffer;
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TBool iOwnsMmfBuffer;
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MOmxInputPortCallbacks* iInputPortCallbacks;
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MOmxOutputPortCallbacks* iOutputPortCallbacks;
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};
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public:
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COmxBufferManager(OMX_COMPONENTTYPE* aHandle);
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~COmxBufferManager();
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// Buffer lookup
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COmxBuffer* FindBuffer(const CMMFBuffer* aBuffer) const;
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COmxBuffer* FindBuffer(OMX_BUFFERHEADERTYPE* aBuffer) const;
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// OMX Calls
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TInt UseBuffer(CMMFBuffer& aBuffer, TUint nPortIndex);
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CMMFBuffer* AllocateBufferL(TUint nPortIndex, TUint nSizeBytes);
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TInt FreeBuffer(CMMFBuffer* aBuffer);
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TInt EmptyThisBuffer(const CMMFBuffer* aBuffer, MOmxInputPortCallbacks* aObserver);
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TInt FillThisBuffer(CMMFBuffer* aBuffer, MOmxOutputPortCallbacks* aObserver);
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// Store OMX buffer pointer
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void StoreBufferL(OMX_BUFFERHEADERTYPE* aBufferHeader, CMMFBuffer* aBuffer);
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private:
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RPointerArray<COmxBuffer> iBuffers;
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OMX_COMPONENTTYPE* iHandle;
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};
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class COmxCallbacks : public CActive
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{
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public:
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enum TMessageType
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{
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EFillBufferCallback,
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EEmptyBufferCallback,
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EEventCallback
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};
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class TEventParams
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{
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public:
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OMX_EVENTTYPE iEvent;
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TUint iData1;
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TUint iData2;
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TAny* iExtra;
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};
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class TOmxMessage
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{
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public:
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TMessageType iType;
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OMX_HANDLETYPE iComponent;
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union
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{
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COmxBufferManager::COmxBuffer* iBuffer;
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TEventParams iEventParams;
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};
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};
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public:
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static COmxCallbacks* NewL(MOmxPuCallbacks& aPuCallbacks);
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operator OMX_CALLBACKTYPE*();
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void RunL();
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void DoCancel();
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TInt FillBufferDone(OMX_HANDLETYPE aComponent, COmxBufferManager::COmxBuffer* aBuffer);
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TInt EmptyBufferDone(OMX_HANDLETYPE aComponent, COmxBufferManager::COmxBuffer* aBuffer);
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TInt EventHandler(OMX_HANDLETYPE aComponent, TEventParams aParams);
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virtual ~COmxCallbacks();
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private:
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void ConstructL();
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COmxCallbacks(MOmxPuCallbacks& aPuCallbacks);
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int iState;
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MOmxPuCallbacks* iPuCallbacks;
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RMsgQueue<TOmxMessage> iMsgQueue;
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OMX_CALLBACKTYPE iHandle;
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};
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#endif // OMX_COMPONENTIMPL_H
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