1 /*

     2 * Copyright (c) 2004 Nokia Corporation and/or its subsidiary(-ies). 

     3 * All rights reserved.

     4 * This component and the accompanying materials are made available

     5 * under the terms of "Eclipse Public License v1.0"

     6 * which accompanies this distribution, and is available

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

     8 *

     9 * Initial Contributors:

    10 * Nokia Corporation - initial contribution.

    11 *

    12 * Contributors:

    13 *

    14 * Description:  Class definition for the SourceAdapter functions.

    15 *

    16 */

    17 

    18 

    19 

    20 #ifndef CDATASOURCEADAPTER_H

    21 #define CDATASOURCEADAPTER_H

    22 

    23 //  INCLUDES

    24 #include <mmfbuffer.h>

    25 #include <mmfutilities.h>

    26 #include <e32base.h>

    27 #include <mmfbase.h>

    28 #include <caf/manager.h>

    29 

    30 // CONSTANTS

    31 const TUid KS60AudioStreamingSourceUid	= {0x10207AF3};

    32 const TUid KMmdsProgDLSourceUid			= {0x10207B46};

    33 const TUid KMmdsStreamingSourceUid		= {0x10207B7B};

    34 const TUid KOldProgDLSourceUid			= {0x10207A7C};

    35 const TUid KMmdsFileSourceUid			= {0x10207B89};

    36 const TUid KMmdsDescriptorSourceUid		= {0x10207B8B};

    37 

    38 const TInt KErrSourceAdapter            = -1001;

    39 

    40 // FORWARD DECLARATIONS

    41 class CMMFClip;

    42 class CMMFDataBuffer;

    43 class MDataSink;

    44 class MDataSource;

    45 class MAsyncEventHandler;

    46 class CConfigurationComponentsFactory;

    47 class CAudioOutputControlUtility;

    48 class CDRMConfigIntfc;

    49 class CMMFDevSound;

    50 class CMMFBuffer;

    51 class MMultimediaDataSourceObserver;        

    52 class CMultimediaDataSource;

    53 class CAudioOutputControlUtility;  

    54 // CLASS DEFINITIONS

    55 

    56 /**

    57 *  This class provides CDataSourceAdapter functions.

    58 *

    59 *  @lib CDataSourceAdapter.lib

    60 *  @since 3.2

    61 */

    62 class CDataSourceAdapter : public CBase

    63     {

    64 	public:  // Constructors and destructor

    65 

    66         /**

    67         * Two-phased constructor.

    68         */

    69         IMPORT_C static CDataSourceAdapter* NewL();

    70 

    71         /**

    72         * Destructor.

    73         */

    74         IMPORT_C virtual ~CDataSourceAdapter();

    75 

    76 		// New (like MDataSource)

    77 		IMPORT_C virtual TUid DataSourceType();

    78 		IMPORT_C virtual void FillBufferL(CMMFBuffer* aBuffer, MDataSink* aConsumer, TMediaId aMediaId);

    79 		IMPORT_C virtual void BufferEmptiedL(CMMFBuffer* aBuffer);

    80 		IMPORT_C virtual TBool CanCreateSourceBuffer();

    81 		IMPORT_C virtual CMMFBuffer* CreateSourceBufferL(TMediaId aMediaId, TBool &aReference);

    82 		IMPORT_C virtual TInt SourceThreadLogon(MAsyncEventHandler& aEventHandler);

    83 		IMPORT_C virtual void SourceThreadLogoff();

    84 		IMPORT_C virtual void SourcePrimeL();

    85 		IMPORT_C virtual void SourceStopL();

    86 		IMPORT_C virtual void SourcePlayL();

    87         IMPORT_C virtual void Event(TUid aEvent);

    88 

    89 		// New

    90 		IMPORT_C virtual TInt SeekToPosition(TUint aPosition);

    91 		IMPORT_C virtual TInt SeekToTime(TUint aTimeMs);

    92         IMPORT_C virtual TInt SeekToTime(TUint aTimeMs, TUint& aFoundTimeMs);

    93 		IMPORT_C virtual TBool IsTimeSeekable();

    94 		IMPORT_C virtual TBool IsPositonSeekable();

    95 		IMPORT_C virtual void SetDataSourceL(MDataSource* aDataSource,

    96 											MMultimediaDataSourceObserver* aMMultimediaDataSourceObserver,

    97 											MAsyncEventHandler* aMAsyncEventHandler);

    98 		IMPORT_C virtual TInt SourceSize();

    99 		IMPORT_C virtual TInt IsProtectedL();

   100 		IMPORT_C virtual void SetSourcePrioritySettings(const TMMFPrioritySettings& aPrioritySettings);

   101 		IMPORT_C virtual TInt ExecuteIntent(ContentAccess::TIntent aIntent);

   102 		IMPORT_C virtual TInt SetAgentProperty(ContentAccess::TAgentProperty aProperty, TInt aValue);

   103 		IMPORT_C virtual TInt EvaluateIntent(ContentAccess::TIntent aIntent);

   104         IMPORT_C virtual TInt GetInterface(TUid aInterfaceId, TVersion& aVer, TAny*& aInterfaceImpl);

   105 		IMPORT_C virtual TBool OnlyHeaderPresent();

   106 		

   107 		//sets the AudioOutputControlUtitlity reference and sets Datasource to AudioOutputContolUtility

   108 		IMPORT_C TInt SetAudioOutputControlUtil(CAudioOutputControlUtility* aAudioOutputControlUtility);

   109 	protected:

   110 

   111         /**

   112         * C++ default constructor.

   113         */

   114 		IMPORT_C CDataSourceAdapter();

   115 

   116 	private:

   117 

   118         /**

   119         * By default Symbian 2nd phase constructor is private.

   120         */

   121 		void ConstructL();

   122 

   123 	protected:

   124         class CAsyncProxyFillBuffer : public CActive

   125             {

   126             public: // may want to export constructor and fillbuffer for 3gpdatasourceadapter

   127                 CAsyncProxyFillBuffer(MDataSource* aDataSource);

   128             	~CAsyncProxyFillBuffer();

   129             	void FillBuffer(CMMFBuffer* aBuffer, MDataSink* aConsumer, TMediaId aMediaId);

   130                 void Reset();

   131             

   132             protected:	

   133                 void RunL();

   134                 TInt RunError(TInt aError);

   135                 void DoCancel();

   136 

   137             private:

   138                 TRequestStatus* iRequestStatus;

   139                 MDataSource* iDataSource;

   140 			    CMMFBuffer* iBuffer;

   141     			MDataSink* iConsumer;

   142     			TMediaId iMediaId;

   143 				RPointerArray<CMMFBuffer> iQueuedAsyncBuffers;

   144 				TInt			iReadPos;

   145             };

   146 

   147 	protected:	// Data

   148 

   149 		TUid			iSourceType;

   150 		MDataSource*	iDataSource;

   151         CMultimediaDataSource* iMMDataSource;

   152         MAsyncEventHandler* iAsyncEventHandler;

   153 		TInt			iSourceSize;

   154 		TBool			iPosSeekable;

   155 		TBool			iTimeSeekable;

   156 		TBool			iIsProtected;

   157 		CMMFDataBuffer* iZeroBuffer;

   158 		CMMFDataBuffer* iHdrBuffer;

   159 		CMMFClip*		iClip;

   160 		CAsyncProxyFillBuffer*	iAsyncProxyFillBuffer;

   161 		TBool			iHeaderOnly;

   162 		CAudioOutputControlUtility* iAudioOutputControlUtility;  

   163     };

   164 

   165 #endif 		// CDATASOURCEADAPTER_H

   166 

   167 // End of File