/*

* Copyright (c) 2006 Nokia Corporation and/or its subsidiary(-ies). 

* All rights reserved.

* This component and the accompanying materials are made available

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

* which accompanies this distribution, and is available

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

*

* Initial Contributors:

* Nokia Corporation - initial contribution.

*

* Contributors:

*

* Description:  This class implements ECOM controller plugin for playback of

*				 audio contents in 3GPP container family (e.g. 3GP, MP4, M4A, 3G2).

*

*/

#include "3GPAudioPlayControllerPluginUIDs.hrh"

#include "3GPAudioPlayControllerPlugin.h"

#include "3GPAudioPlayControllerDecoderBuilder.h"

#include "3GPAudioPlayControllerResource.h"

#include "DevSoundAudioOutput.h"

#include "FileAudioOutput.h"

#include "DebugMacros.h"

#include "EAACPlusAudioControllerUtility.h"

#include "AMRAudioControllerUtility.h"

#include "AWBAudioControllerUtility.h"

// CONSTANTS

const TInt KFirstBufferSize = 2000;

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

// -----------------------------------------------------------------------------

// C3GPAudioPlayControllerPlugin::C3GPAudioPlayControllerPlugin

// C++ default constructor can NOT contain any code, that might leave.

// -----------------------------------------------------------------------------

//

C3GPAudioPlayControllerPlugin::C3GPAudioPlayControllerPlugin()

	: 	iDecoderBuilder(NULL)

    {

    }

// -----------------------------------------------------------------------------

// C3GPAudioPlayControllerPlugin::ConstructL

// Symbian 2nd phase constructor can leave.

// -----------------------------------------------------------------------------

//

void C3GPAudioPlayControllerPlugin::ConstructL()

    {

    CAdvancedAudioPlayController::ConstructL();

	iDecoderBuilder = C3GPAudioPlayControllerDecoderBuilder::NewL();

    iMetaDataSupport = EFalse;

//#ifdef __AAC_PLUS_DECODER_PLUGIN

//	iAacUtil = CEAacPlusUtil::NewL(); // used to get frame info for all formats

//#endif

    }

// -----------------------------------------------------------------------------

// C3GPAudioPlayControllerPlugin::NewL

// Two-phased constructor.

// -----------------------------------------------------------------------------

//

C3GPAudioPlayControllerPlugin* C3GPAudioPlayControllerPlugin::NewL()

    {

	DP0(_L("C3GPAudioPlayControllerPlugin::NewL"));

    C3GPAudioPlayControllerPlugin* self = new(ELeave) C3GPAudioPlayControllerPlugin;

    CleanupStack::PushL(self);

    self->ConstructL();

    CleanupStack::Pop(self);

    return self;

    }

// -----------------------------------------------------------------------------

// C3GPAudioPlayControllerPlugin::~C3GPAudioPlayControllerPlugin

// Destructor

// -----------------------------------------------------------------------------

//

C3GPAudioPlayControllerPlugin::~C3GPAudioPlayControllerPlugin()

    {

	DP0(_L("C3GPAudioPlayControllerPlugin::~C3GPAudioPlayControllerPlugin"));

    delete iDecoderBuilder;

    delete iAudioResource;

    delete iAudioOutput;

    delete iAudioUtility;

//#ifdef __AAC_PLUS_DECODER_PLUGIN

	delete iAacUtil;

//#endif

    }

// -----------------------------------------------------------------------------

// C3GPAudioPlayControllerPlugin::DoAddDataSourceL

// -----------------------------------------------------------------------------

//

void C3GPAudioPlayControllerPlugin::DoAddDataSourceL()

    {

    DP0(_L("C3GPAudioPlayControllerPlugin::DoAddDataSourceL"));

    delete iAudioUtility; // see 3gp

    delete iAacUtil;

    iAudioUtility = NULL;

	iDataSourceAdapter = C3gpDataSourceAdapter::NewL();

	iSharedBufferMaxNum = 1;

	iSharedBufferMaxSize = KFirstBufferSize;

    }

// -----------------------------------------------------------------------------

// C3GPAudioPlayControllerPlugin::DoAddDataSinkL

// -----------------------------------------------------------------------------

//

void C3GPAudioPlayControllerPlugin::DoAddDataSinkL()

    {

    DP0(_L("C3GPAudioPlayControllerPlugin::DoAddDataSinkL"));

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

		{

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

		iDecoderType = K3GPDecoder;

        }

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

        {

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

		iDecoderType = K3GPConverter;

        }

    else

        {

        User::Leave(KErrNotSupported);

        }

    }

CAdvancedAudioDecoder* C3GPAudioPlayControllerPlugin::BuildDecoderL()

	{

	return iDecoderBuilder->BuildDecoderL(iDecoderType, iDataType);

	}

void C3GPAudioPlayControllerPlugin::DoStopL(TInt aError)

    {

   	iSharedBufferMaxNum = 1;

	iSharedBufferMaxSize = KFirstBufferSize;

    CAdvancedAudioPlayController::DoStopL(aError);

    }

// -----------------------------------------------------------------------------

// C3GPAudioPlayControllerPlugin::ReadHeaderL

// -----------------------------------------------------------------------------

//

void C3GPAudioPlayControllerPlugin::DoReadHeaderL(CMMFDataBuffer* aBuffer)

	{

    TUint32 audioLength;

    TUint32 timeScale;

    TUint32 averateBitRate;

    TUint8  framesPerSample;

	TUint32 decSpecInfoSize;

	HBufC8* decSpecInfo = NULL;

	TUint8* decSpecInfoPtr = NULL;

	TInt    codecType = 0;

    TInt err = static_cast<C3gpDataSourceAdapter*>(iDataSourceAdapter)->ReadHeader(audioLength, iAudioType, framesPerSample, timeScale, averateBitRate);

	User::LeaveIfError(err);

   	iDuration = (TInt64)audioLength*1000;		// convert to microseconds

	iBitRate = averateBitRate;

	iBitRateFrozen = ETrue;

	iDurationFrozen = ETrue;

	// In audio tracks, the sampling rate is in timescale

	iSampleRate = timeScale;

	switch (iAudioType)

		{

		case MP4_TYPE_MPEG4_AUDIO:

			{

			if (!iAacUtil)

				{

				iAacUtil = CEAacPlusUtil::NewL(); // used to get frame info for all formats

				}

			codecType = K3GPResourceAAC;

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

            if (!iAudioUtility)

                {

    			iAudioUtility = CEAACPlusAudioControllerUtility::NewL();

                }

			// Query the size of AudioSpecificConfig first

		    err = static_cast<C3gpDataSourceAdapter*>(iDataSourceAdapter)->ReadAudioSpecificConfig(NULL, 0, &decSpecInfoSize);

			User::LeaveIfError(err);	

			decSpecInfo = HBufC8::NewLC(decSpecInfoSize);

			decSpecInfoPtr = const_cast<TUint8*>(decSpecInfo->Ptr());

		    err = static_cast<C3gpDataSourceAdapter*>(iDataSourceAdapter)->ReadAudioSpecificConfig(decSpecInfoPtr, decSpecInfoSize, &decSpecInfoSize);

			User::LeaveIfError(err);

		    TInt buffersize = aBuffer->BufferSize();

		    TInt infoSize = decSpecInfoSize;

			TUint8* bufPtr = const_cast<TUint8*>(aBuffer->Data().Ptr());

			CEAacPlusUtil::TEAacPlusFrameInfo frameInfo;

			TInt status = iAacUtil->GetAacFrameInfo(static_cast<const TUint8*>(decSpecInfoPtr), infoSize, frameInfo, bufPtr, buffersize);

			iOutFrameSize = frameInfo.iOutFrameSize;

			iNoOfSamples = frameInfo.iNoOfSamples;

			iSamplingFrequency = frameInfo.iSamplingFrequency;

		    iProfile = frameInfo.iObjectType-1; // convert from object type back to what decoder uses 

			iNoOfChannels = frameInfo.iNoOfChannels ;

			iOutSamplingFrequency = frameInfo.iOutSamplingFrequency;

			iDownSampledMode = frameInfo.iDownSampledMode;

		    iExtObjectType = 0;

			if (frameInfo.iSbr)

				{

				iExtObjectType = 5;

				}

	        iSampleRate = iOutSamplingFrequency;

			if (frameInfo.iPs)

	    		{

	    		iExtObjectType = 6;

	    		}

			CleanupStack::PopAndDestroy(decSpecInfo);	// decSpecInfo

		    break;

			}

		case MP4_TYPE_AMR_NB:

			codecType = K3GPResourceAMR;

			iDataType = TFourCC(' ','A','M','R');

			iSampleRate = 8000;

            if (!iAudioUtility)

                {

	  			iAudioUtility = CAMRAudioControllerUtility::NewL();

                }

			break;

		case MP4_TYPE_AMR_WB:

			codecType = K3GPResourceAWB;

			iDataType = TFourCC(' ','A','W','B');

			iSampleRate = 16000;

            if (!iAudioUtility)

                {

	  			iAudioUtility = CAWBAudioControllerUtility::NewL();

                }

			break;

		default:

			User::Leave(KErrNotSupported);

			break;

		}

	if (iAudioResource)

	    {

	    delete iAudioResource;

	    iAudioResource = NULL;

	    }

	iAudioResource = C3GPAudioPlayControllerResource::NewL(codecType);

    TAapProperties aapProperties = iAudioResource->PropertiesL();

    iSharedBufferMaxNum = aapProperties.iSharedBufferMaxNum;

    iSharedBufferMaxSize = aapProperties.iSharedBufferMaxSize;

    iMetaDataSupport = aapProperties.iMetaDataSupport;

	iChannels = (aapProperties.iStereoSupport < 2) ? 1 : 2;

	iSinkNumChannels = iChannels; // Default same as source

   	if (iSharedBufferMaxNum < 3)

        {

        iSharedBufferMaxNum = 3;

   	    }

    CMMFDataBuffer* tempBuffer = CreateSourceBufferOfSizeLC(KFirstBufferSize);

    tempBuffer->Data().Copy(iSharedBuffers[0]->Data());

    ResetSharedBuffersL(iSharedBufferMaxNum, iSharedBufferMaxSize);

	iSharedBuffers[0]->Data().Copy(tempBuffer->Data());

	iSharedBuffers[0]->SetStatus(EFull);

    CleanupStack::PopAndDestroy(tempBuffer);

    for (TInt i=1; i < iSharedBufferMaxNum; i++)

        {

        CAdvancedAudioPlayController::FillSharedBufferL(static_cast<CMMFBuffer*>(iSharedBuffers[i]));

        }

	}

TInt C3GPAudioPlayControllerPlugin::GetCodecConfigData(RArray<TInt>& aCodecConfigData)

    {

    TInt stat = KErrNone;

    if (iAudioType == MP4_TYPE_MPEG4_AUDIO)

    	{

		iChannels = iNoOfChannels;

		iSinkNumChannels = iNoOfChannels;

		aCodecConfigData[0] = iSampleRate; //Input Sampling frequency

		aCodecConfigData[1] = iNoOfChannels;

		aCodecConfigData[2] = iProfile;	//Use eAAC+ Profile

		aCodecConfigData[3] = iOutFrameSize;

		aCodecConfigData[4] = iNoOfSamples;

		aCodecConfigData[5] = iSamplingFrequency;

		aCodecConfigData[7] = iDownSampledMode;

		aCodecConfigData[9] = iOutSamplingFrequency;

		aCodecConfigData[10] = iExtObjectType;

		aCodecConfigData[12] = CEAacPlusUtil::EAacPlusFormatRaw; // this is only available after scan header

    	}

    return stat;

    }

// __________________________________________________________________________

// Exported proxy for instantiation method resolution

// Define the interface UIDs

/**

*

* ImplementationTable

*

*/

const TImplementationProxy ImplementationTable[] =

	{

		// defined in 3GPAudioPlayControllerPluginUIDs.hrh

	    IMPLEMENTATION_PROXY_ENTRY(KUID3GPPlayControllerPluginImplementation, C3GPAudioPlayControllerPlugin::NewL)

	};

/**

* ImplementationGroupProxy

* @param aTableCount

* @returns "TImplementationProxy*"

*/

EXPORT_C const TImplementationProxy* ImplementationGroupProxy(TInt& aTableCount)

	{

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

	return ImplementationTable;

	}

// End of file