1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/os/mm/mmdevicefw/mdf/src/openmax/omxcomponentimpl.h	Fri Jun 15 03:10:57 2012 +0200
     1.3 @@ -0,0 +1,127 @@
     1.4 +// Copyright (c) 2005-2009 Nokia Corporation and/or its subsidiary(-ies).
     1.5 +// All rights reserved.
     1.6 +// This component and the accompanying materials are made available
     1.7 +// under the terms of "Eclipse Public License v1.0"
     1.8 +// which accompanies this distribution, and is available
     1.9 +// at the URL "http://www.eclipse.org/legal/epl-v10.html".
    1.10 +//
    1.11 +// Initial Contributors:
    1.12 +// Nokia Corporation - initial contribution.
    1.13 +//
    1.14 +// Contributors:
    1.15 +//
    1.16 +// Description:
    1.17 +//
    1.18 +
    1.19 +#ifndef OMX_COMPONENTIMPL_H
    1.20 +#define OMX_COMPONENTIMPL_H
    1.21 +
    1.22 +#include <e32msgqueue.h>
    1.23 +
    1.24 +class CMMFBuffer;
    1.25 +
    1.26 +class COmxBufferManager : public CBase
    1.27 +	{
    1.28 +public:
    1.29 +
    1.30 +	class COmxBuffer : public CBase
    1.31 +		{
    1.32 +	public:
    1.33 +		static COmxBuffer* NewL(OMX_BUFFERHEADERTYPE* aBufferHeader, CMMFBuffer* aBuffer);
    1.34 +		~COmxBuffer();
    1.35 +		
    1.36 +		CMMFBuffer* MmfBuffer() const;
    1.37 +		OMX_BUFFERHEADERTYPE* BufferHeader() const;
    1.38 +		
    1.39 +		void SetInputPortCallbacks(MOmxInputPortCallbacks* aCallbacks);
    1.40 +		void SetOutputPortCallbacks(MOmxOutputPortCallbacks* aCallbacks);
    1.41 +		
    1.42 +		MOmxInputPortCallbacks* InputPortCallbacks() const;
    1.43 +		MOmxOutputPortCallbacks* OutputPortCallbacks() const;
    1.44 +		
    1.45 +	private:
    1.46 +		COmxBuffer();
    1.47 +		void ConstructL(OMX_BUFFERHEADERTYPE* aBufferHeader, CMMFBuffer* aBuffer);
    1.48 +		
    1.49 +		OMX_BUFFERHEADERTYPE* iBufferHeader;
    1.50 +		CMMFBuffer* iMmfBuffer;
    1.51 +		
    1.52 +		TBool iOwnsMmfBuffer;
    1.53 +		MOmxInputPortCallbacks* iInputPortCallbacks;
    1.54 +		MOmxOutputPortCallbacks* iOutputPortCallbacks;
    1.55 +		};
    1.56 +		
    1.57 +public:
    1.58 +	COmxBufferManager(OMX_COMPONENTTYPE* aHandle);
    1.59 +	~COmxBufferManager();
    1.60 +	
    1.61 +	// Buffer lookup
    1.62 +	COmxBuffer* FindBuffer(const CMMFBuffer* aBuffer) const;
    1.63 +	COmxBuffer* FindBuffer(OMX_BUFFERHEADERTYPE* aBuffer) const;
    1.64 +	
    1.65 +	// OMX Calls
    1.66 +	TInt UseBuffer(CMMFBuffer& aBuffer, TUint nPortIndex);
    1.67 +	CMMFBuffer* AllocateBufferL(TUint nPortIndex, TUint nSizeBytes);
    1.68 +	TInt FreeBuffer(CMMFBuffer* aBuffer);
    1.69 +	
    1.70 +	TInt EmptyThisBuffer(const CMMFBuffer* aBuffer, MOmxInputPortCallbacks* aObserver);
    1.71 +	TInt FillThisBuffer(CMMFBuffer* aBuffer, MOmxOutputPortCallbacks* aObserver);
    1.72 +	
    1.73 +	// Store OMX buffer pointer
    1.74 +	void StoreBufferL(OMX_BUFFERHEADERTYPE* aBufferHeader, CMMFBuffer* aBuffer);
    1.75 +	
    1.76 +	
    1.77 +private:	
    1.78 +	RPointerArray<COmxBuffer> iBuffers;
    1.79 +	OMX_COMPONENTTYPE* iHandle;
    1.80 +	};
    1.81 +
    1.82 +class COmxCallbacks : public CActive
    1.83 +	{
    1.84 +public:
    1.85 +	enum TMessageType 
    1.86 +		{
    1.87 +		EFillBufferCallback,
    1.88 +		EEmptyBufferCallback,
    1.89 +		EEventCallback
    1.90 +		};	
    1.91 +
    1.92 +	class TEventParams
    1.93 +		{
    1.94 +	public:		
    1.95 +	 	OMX_EVENTTYPE iEvent; 
    1.96 +		TUint iData1;
    1.97 +		TUint iData2;
    1.98 +		TAny* iExtra;
    1.99 +		};
   1.100 +
   1.101 +	class TOmxMessage
   1.102 +		{
   1.103 +	public:
   1.104 +		TMessageType iType;
   1.105 +		OMX_HANDLETYPE iComponent;
   1.106 +		union 
   1.107 +			{
   1.108 +			COmxBufferManager::COmxBuffer* iBuffer;
   1.109 +			TEventParams iEventParams;
   1.110 +			};	
   1.111 +		};
   1.112 +public:
   1.113 +	static COmxCallbacks* NewL(MOmxPuCallbacks& aPuCallbacks);
   1.114 +	operator OMX_CALLBACKTYPE*();
   1.115 +	void RunL();
   1.116 +	void DoCancel();
   1.117 +	TInt FillBufferDone(OMX_HANDLETYPE aComponent, COmxBufferManager::COmxBuffer* aBuffer);
   1.118 +	TInt EmptyBufferDone(OMX_HANDLETYPE aComponent, COmxBufferManager::COmxBuffer* aBuffer);
   1.119 +	TInt EventHandler(OMX_HANDLETYPE aComponent, TEventParams aParams);
   1.120 +	virtual ~COmxCallbacks();
   1.121 +private:
   1.122 +	void ConstructL();
   1.123 +	COmxCallbacks(MOmxPuCallbacks& aPuCallbacks);
   1.124 +	int iState;
   1.125 +	MOmxPuCallbacks* iPuCallbacks;
   1.126 +	RMsgQueue<TOmxMessage> iMsgQueue;
   1.127 +	OMX_CALLBACKTYPE iHandle;
   1.128 +	};
   1.129 +
   1.130 +#endif // OMX_COMPONENTIMPL_H