1 // Copyright (c) 2008-2009 Nokia Corporation and/or its subsidiary(-ies).

     2 // All rights reserved.

     3 // This component and the accompanying materials are made available

     4 // under the terms of "Eclipse Public License v1.0"

     5 // which accompanies this distribution, and is available

     6 // at the URL "http://www.eclipse.org/legal/epl-v10.html".

     7 //

     8 // Initial Contributors:

     9 // Nokia Corporation - initial contribution.

    10 //

    11 // Contributors:

    12 //

    13 // Description:

    14 //

    15 

    16 #ifndef OMXILGENERICILIFBODYIMPL_H

    17 #define OMXILGENERICILIFBODYIMPL_H

    18 

    19 #include "momxilcomponentifobserver.h"

    20 #include <e32msgqueue.h>

    21 #include <openmax/il/khronos/v1_x/OMX_Component.h>

    22 

    23 

    24 class COmxBufferManager : public CBase

    25 	{

    26 public:

    27 

    28 	class COmxBuffer : public CBase

    29 		{

    30 	public:

    31 		static COmxBuffer* NewL(OMX_BUFFERHEADERTYPE* aBufferHeader, CMMFBuffer* aBuffer);

    32 		~COmxBuffer();

    33 		

    34 		CMMFBuffer* MmfBuffer() const;

    35 		OMX_BUFFERHEADERTYPE* BufferHeader() const;

    36 		

    37 		void SetPortObserver(MOmxILComponentIfObserver* aObserver);

    38 		MOmxILComponentIfObserver* PortObserver() const;

    39 

    40 	private:

    41 		COmxBuffer();

    42 		void ConstructL(OMX_BUFFERHEADERTYPE* aBufferHeader, CMMFBuffer* aBuffer);

    43 		

    44 		OMX_BUFFERHEADERTYPE* iBufferHeader;

    45 		CMMFBuffer* iMmfBuffer;

    46 		

    47 		TBool iOwnsMmfBuffer;

    48 		

    49 		MOmxILComponentIfObserver* iPortObserver;

    50 		};

    51 		

    52 public:

    53 	COmxBufferManager(OMX_COMPONENTTYPE* aHandle);

    54 	~COmxBufferManager();

    55 	

    56 	// Buffer lookup

    57 	COmxBuffer* FindBuffer(const CMMFBuffer* aBuffer) const;

    58 	COmxBuffer* FindBuffer(OMX_BUFFERHEADERTYPE* aBuffer) const;

    59 	

    60 	// OMX Calls

    61 	TInt UseBuffer(CMMFBuffer& aBuffer, TUint nPortIndex);

    62 	CMMFBuffer* AllocateBufferL(TUint nPortIndex, TUint nSizeBytes);

    63 	TInt FreeBuffer(CMMFBuffer* aBuffer);

    64 	

    65 	TInt EmptyThisBuffer(const CMMFBuffer* aBuffer, MOmxILComponentIfObserver* aObserver);

    66 	TInt FillThisBuffer(CMMFBuffer* aBuffer, MOmxILComponentIfObserver* aObserver);

    67 	

    68 	// Store OMX buffer pointer

    69 	void StoreBufferL(OMX_BUFFERHEADERTYPE* aBufferHeader, CMMFBuffer* aBuffer);	

    70 	

    71 private:	

    72 	RPointerArray<COmxBuffer> iBuffers;

    73 	OMX_COMPONENTTYPE* iHandle;

    74 	};

    75 

    76 class COmxCallbacks : public CActive

    77 	{

    78 public:

    79 	enum TMessageType 

    80 		{

    81 		EFillBufferCallback,

    82 		EEmptyBufferCallback,

    83 		EEventCallback

    84 		};	

    85 

    86 	class TEventParams

    87 		{

    88 	public:		

    89 	 	OMX_EVENTTYPE iEvent; 

    90 		TUint32 iData1;

    91 		TUint32 iData2;

    92 		TAny* iExtraData;

    93 		};

    94 

    95 	class TOmxMessage

    96 		{

    97 	public:

    98 		TMessageType iType;

    99 		OMX_HANDLETYPE iComponent;

   100 		union 

   101 			{

   102 			COmxBufferManager::COmxBuffer* iBuffer;

   103 			TEventParams iEventParams;

   104 			};	

   105 		};

   106 public:

   107 	static COmxCallbacks* NewL(MOmxILComponentIfObserver& aObserver);

   108 	operator OMX_CALLBACKTYPE*();

   109 	void RunL();

   110 	void DoCancel();

   111 	

   112 	TInt FillBufferDone(OMX_HANDLETYPE aComponent, COmxBufferManager::COmxBuffer* aBuffer);

   113 	TInt EmptyBufferDone(OMX_HANDLETYPE aComponent, COmxBufferManager::COmxBuffer* aBuffer);

   114 	TInt EventHandler(OMX_HANDLETYPE aComponent, const TEventParams& aParams);

   115 	virtual ~COmxCallbacks();

   116 

   117 private:

   118 	void ConstructL();

   119 	COmxCallbacks(MOmxILComponentIfObserver& aObserver);

   120 

   121 private:

   122 	OMX_CALLBACKTYPE iHandle;

   123 	RMsgQueue<TOmxMessage> iMsgQueue;

   124 	MOmxILComponentIfObserver& iParent; 

   125 	};

   126 

   127 	

   128 // OMX callback handler functions

   129 OMX_ERRORTYPE EventHandler(OMX_OUT OMX_HANDLETYPE aComponent, 

   130 					OMX_OUT TAny* aAppData,

   131         			OMX_OUT OMX_EVENTTYPE aEvent, 

   132         			OMX_OUT TUint32 aData1,

   133         			OMX_OUT TUint32 aData2,

   134         			OMX_OUT TAny* aExtra);

   135         			

   136 OMX_ERRORTYPE EmptyBufferDone(

   137        OMX_HANDLETYPE aComponent,

   138        TAny* aAppData,

   139        OMX_BUFFERHEADERTYPE* aBuffer);

   140         

   141 OMX_ERRORTYPE FillBufferDone(

   142        OMX_HANDLETYPE aComponent,

   143        TAny* aAppData,

   144        OMX_BUFFERHEADERTYPE* aBuffer);

   145 

   146 #endif // OMXILGENERICILIFBODYIMPL_H