1 /*

     2 * Copyright (c) 2006 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:  Play controller for AAC audio formats.

    15 *

    16 */

    17 

    18 

    19 // INCLUDES

    20 #include "AACAudioPlayControllerPlugin.h"

    21 #include "AACAudioPlayControllerPlugin.hrh"

    22 #include "AACAudioPlayControllerDecoderBuilder.h"

    23 #include "AACAudioPlayControllerResource.h"

    24 #include "DevSoundAudioOutput.h"

    25 #include "FileAudioOutput.h"

    26 #include "DebugMacros.h"

    27 

    28 

    29 // only EAACPlusAudioControllerUtility support AAC optimization

    30 //#ifdef __AAC_PLUS_DECODER_PLUGIN

    31 #include "EAACPlusAudioControllerUtility.h"

    32 /*

    33 #else

    34 #include "AACAudioControllerUtility.h"

    35 #endif

    36 */

    37 

    38 // CONSTANTS

    39 

    40 // ============================ MEMBER FUNCTIONS ===============================

    41 

    42 // -----------------------------------------------------------------------------

    43 // CAACAudioPlayControllerPlugin::CAACAudioPlayControllerPlugin

    44 // -----------------------------------------------------------------------------

    45 //

    46 CAACAudioPlayControllerPlugin::CAACAudioPlayControllerPlugin()

    47 	:	iDecoderBuilder(NULL)

    48     {

    49     }

    50 

    51 // -----------------------------------------------------------------------------

    52 // CAACAudioPlayControllerPlugin::ConstructL

    53 // -----------------------------------------------------------------------------

    54 //

    55 void CAACAudioPlayControllerPlugin::ConstructL()

    56     {

    57     CAdvancedAudioPlayController::ConstructL();

    58 

    59 	iAudioResource = CAACAudioPlayControllerResource::NewL();

    60     TAapProperties aapProperties = iAudioResource->PropertiesL();

    61     iSharedBufferMaxNum = aapProperties.iSharedBufferMaxNum;

    62     iSharedBufferMaxSize = aapProperties.iSharedBufferMaxSize;

    63     iMetaDataSupport = aapProperties.iMetaDataSupport;

    64 

    65 	iAudioUtility = CEAACPlusAudioControllerUtility::NewL();

    66 	iDecoderBuilder = CAACAudioPlayControllerDecoderBuilder::NewL();

    67     }

    68 

    69 // -----------------------------------------------------------------------------

    70 // CAACAudioPlayControllerPlugin::NewL

    71 // -----------------------------------------------------------------------------

    72 //

    73 CAACAudioPlayControllerPlugin* CAACAudioPlayControllerPlugin::NewL()

    74     {

    75 	DP0(_L("CAACAudioPlayControllerPlugin::NewL"));

    76 

    77     CAACAudioPlayControllerPlugin* self = new(ELeave) CAACAudioPlayControllerPlugin;

    78     CleanupStack::PushL(self);

    79     self->ConstructL();

    80     CleanupStack::Pop(self);

    81     return self;

    82     }

    83 

    84 // Destructor

    85 CAACAudioPlayControllerPlugin::~CAACAudioPlayControllerPlugin()

    86     {

    87 	DP0(_L("CAACAudioPlayControllerPlugin::~CAACAudioPlayControllerPlugin"));

    88 

    89     if (iIsDRMProtected)

    90 		{

    91 		delete iDataSource;

    92 		}

    93 

    94     if ((iState != EStopped) && (iState != EInitializing) && iAudioOutput)

    95         {

    96         TRAPD(err, iAudioOutput->StopL());

    97 		err = err;

    98         }

    99 

   100 	delete iDecoderBuilder;

   101     delete iAudioUtility;

   102     delete iAudioResource;

   103     delete iAudioOutput;

   104     }

   105 

   106 // -----------------------------------------------------------------------------

   107 // CAACAudioPlayControllerPlugin::DoAddDataSourceL

   108 // Initialization of Clip properties. We build a table needed for positioning.

   109 // -----------------------------------------------------------------------------

   110 //

   111 void CAACAudioPlayControllerPlugin::DoAddDataSourceL()

   112     {

   113     DP0(_L("CAACAudioPlayControllerPlugin::DoAddDataSourceL"));

   114 	}

   115 

   116 // -----------------------------------------------------------------------------

   117 // CAACAudioPlayControllerPlugin::DoAddDataSinkL

   118 // -----------------------------------------------------------------------------

   119 //

   120 void CAACAudioPlayControllerPlugin::DoAddDataSinkL()

   121     {

   122     DP0(_L("CAACAudioPlayControllerPlugin::DoAddDataSinkL"));

   123 

   124     if (iDataSink->DataSinkType() == KUidMmfAudioOutput)

   125 		{

   126 		iAudioOutput = CDevSoundAudioOutput::NewL(iPrioritySettings, *this, *iMMFDevSound);

   127 		iDecoderType = KAACDecoder;

   128         }

   129     else if (iDataSink->DataSinkType() == KUidMmfFileSink)

   130         {

   131 		iAudioOutput = CFileAudioOutput::NewL(*iDataSink, iPrioritySettings, *this);

   132 		iDecoderType = KAACConverter;

   133         }

   134     else

   135         {

   136         User::Leave(KErrNotSupported);

   137         }

   138     }

   139     

   140 // -----------------------------------------------------------------------------

   141 // CAACAudioPlayControllerPlugin::DoReadHeaderL

   142 // -----------------------------------------------------------------------------

   143 //

   144 void CAACAudioPlayControllerPlugin::DoReadHeaderL(CMMFDataBuffer* aBuffer)

   145     { // update this to handle multiple buffers of header

   146     DP0(_L("CAACAudioPlayControllerPlugin::DoReadHeaderL"));

   147 

   148 	iAudioUtility->ScanHeaderL(aBuffer);

   149     

   150     iHeaderOffset = iAudioUtility->HeaderOffset();

   151     iSyncOffset = iAudioUtility->SyncOffset();

   152     iSampleRate = iAudioUtility->SampleRate();

   153     iSinkSampleRate = iSampleRate; // Default same as source

   154     iChannels = iAudioUtility->Channels();

   155 //    iSinkNumChannels = iAudioUtility->ChannelsOut();

   156     iDataType = TFourCC(' ','E','A','C');

   157 

   158     if (!(iChannels == 0 || iChannels == 1 || iChannels == 2))

   159         {

   160         User::Leave(KErrNotSupported);

   161         }

   162     }

   163 

   164 CAdvancedAudioDecoder* CAACAudioPlayControllerPlugin::BuildDecoderL()

   165 	{

   166 	return iDecoderBuilder->BuildDecoderL(iDecoderType);

   167 	}

   168 

   169 

   170 // ========================== OTHER EXPORTED FUNCTIONS =========================

   171 

   172 // Exported proxy for instantiation method resolution

   173 // Define the interface UIDs

   174 const TImplementationProxy ImplementationTable[] =

   175     {

   176 	    IMPLEMENTATION_PROXY_ENTRY(KUIDAACPlayControllerPluginImplementation, CAACAudioPlayControllerPlugin::NewL)

   177     };

   178 

   179 // -----------------------------------------------------------------------------

   180 // ImplementationGroupProxy

   181 // -----------------------------------------------------------------------------

   182 //

   183 EXPORT_C const TImplementationProxy* ImplementationGroupProxy(

   184     TInt& aTableCount)

   185     {

   186     aTableCount = sizeof(ImplementationTable) / sizeof(TImplementationProxy);

   187     return ImplementationTable;

   188     }

   189 

   190 // End of file