1 // Copyright (c) 2003-2009 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 

    17 #include "TSU_MMF_SWCDWRAP_TestDevice.h"

    18 

    19 void Panic()

    20 	{

    21 	_LIT(KMMF_SWCDWRAP_UnitTestPanic, "TSU_MMF_SWCDWRAP");

    22 	User::Panic(KMMF_SWCDWRAP_UnitTestPanic, 0);

    23 	}

    24 

    25 /**

    26  *

    27  *	test null hw device

    28  *	@return	"CMMFTestNullDevice"

    29  *

    30  */

    31 CMMFTestNullDevice* CMMFTestNullDevice::NewL()

    32 	{

    33     CMMFTestNullDevice* self = new (ELeave) CMMFTestNullDevice();

    34 	CleanupStack::PushL(self);

    35 	self->ConstructL();

    36 	CleanupStack::Pop();

    37 	return self;

    38 	}

    39 

    40 /**

    41  *

    42  *	Second phase constructor.

    43  *

    44  */

    45 void CMMFTestNullDevice::ConstructL()

    46 	{

    47     // Create device codec

    48 	iCodec = new (ELeave) CMMFTestNullCodec();

    49 	}

    50 

    51 

    52 CMMFTestNullDevice::~CMMFTestNullDevice()

    53 	{

    54 	}

    55 

    56 

    57 CMMFSwCodec& CMMFTestNullDevice::Codec()

    58 	{

    59 	__ASSERT_ALWAYS(iCodec, Panic());

    60 	return *iCodec;

    61 	}

    62 

    63 

    64 CMMFSwCodec::TCodecProcessResult CMMFTestNullCodec::ProcessL(const CMMFBuffer& /*aSource*/, CMMFBuffer& /*aDest*/)

    65 	{//no processing required for null codec

    66 	User::Leave(KErrNotSupported); 

    67 	//to keep compiler happy

    68 	TCodecProcessResult result;

    69 	result.iCodecProcessStatus = TCodecProcessResult::EEndOfData;

    70 	result.iSrcBytesProcessed = 0;

    71 	result.iDstBytesAdded = 0;

    72 	return result;

    73 	};

    74 

    75 

    76 

    77 /**

    78  *

    79  *	test null hw device

    80  *	@return	"CMMFTestNullDevice"

    81  *

    82  */

    83 CMMFTest2To1Device* CMMFTest2To1Device::NewL()

    84 	{

    85     CMMFTest2To1Device* self = new (ELeave) CMMFTest2To1Device();

    86 	CleanupStack::PushL(self);

    87 	self->ConstructL();

    88 	CleanupStack::Pop();

    89 	return self;

    90 	}

    91 

    92 /**

    93  *

    94  *	Second phase constructor.

    95  *

    96  */

    97 void CMMFTest2To1Device::ConstructL()

    98 	{

    99     // Create device codec

   100 	iCodec = new (ELeave) CMMFTest2To1Codec();

   101 	}

   102 

   103 

   104 CMMFTest2To1Device::~CMMFTest2To1Device()

   105 	{

   106 	}

   107 

   108 

   109 CMMFSwCodec& CMMFTest2To1Device::Codec()

   110 	{

   111 	__ASSERT_ALWAYS(iCodec, Panic());

   112 	return *iCodec;

   113 	}

   114 

   115 

   116 CMMFSwCodec::TCodecProcessResult CMMFTest2To1Codec::ProcessL(const CMMFBuffer& aSource, CMMFBuffer& aDest)

   117 	{//no processing required for null codec

   118 	

   119 	//convert from generic CMMFBuffer to CMMFDataBuffer

   120 	const CMMFDataBuffer* src = static_cast<const CMMFDataBuffer*>(&aSource);

   121 	CMMFDataBuffer* dst = static_cast<CMMFDataBuffer*>(&aDest);

   122 

   123 	const TUint dstMaxLen = dst->Data().MaxLength();

   124 

   125 	if (!dstMaxLen)

   126 	    {

   127 		User::Leave(KErrArgument);

   128 	    }

   129 

   130 	const TUint srcLen = src->Data().Length();

   131 

   132 	//we need to cast away CONST even on the source, as the TClass needs a TUint8*

   133 	const TUint8* pSrc = src->Data().Ptr();

   134 	TUint8* pDst = const_cast<TUint8*>(dst->Data().Ptr());

   135 	

   136 	TUint numberOfSamplesToGenerate = srcLen/4; // /2 to convert from bytes to samples and /2 as we only take every other

   137 	

   138 	ASSERT(numberOfSamplesToGenerate*2 <= dstMaxLen); // should be true for test

   139 	

   140 	TInt numberOfSamples = numberOfSamplesToGenerate;

   141 

   142 	while (numberOfSamples--)

   143 		{ 

   144 		*pDst++ = *pSrc++;

   145 		*pDst++ = *pSrc++;

   146 		pSrc += 2; //only send every other sample to destination

   147 		}

   148 

   149 	TCodecProcessResult result;

   150 	result.iCodecProcessStatus = TCodecProcessResult::EProcessComplete;

   151 	result.iSrcBytesProcessed = numberOfSamplesToGenerate*4;

   152 	result.iDstBytesAdded = numberOfSamplesToGenerate*2;

   153 

   154 	dst->Data().SetLength(result.iDstBytesAdded);

   155 

   156 	return result;

   157 	};