// Copyright (c) 2004-2009 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:

 //

 #include <e32base.h>

 #include <f32file.h>

 #include <s32file.h>

 #include <mmf/plugin/mmfsbccodecimplementationuids.hrh>

 #include "TSU_MMF_SbcCodec.h"

 #include "TSU_MMF_SbcCodecSuite.h"

 /**

  * Size of PCM16 wave file header is 44

  */

 const TInt  KWavFileHeaderSize = 44;

 /**

  * The default buffer size

  */

 const TUint KDefaultBufferSize = 4096;

 /**

  * UID of sbc encoder ECom plugin

  */

 const TUid  KSbcCodecPluginUid = { KMmfUidCodecPCM16ToSBC };

 /**

  * UID of sbc encoder configuration

  */

 const TUid	KSbcCodecConfigUid = { KMmfUidSBCConfigure };

 #ifdef __WINS__

 _LIT(KSourceFileDir, "c:\\mm\\mmf\\testfiles\\sbc\\");

 _LIT(KOutputFileDir, "c:\\mm\\mmf\\testfiles\\sbc\\");

 _LIT(KReferenceFileDir, "c:\\mm\\mmf\\ref\\sbc\\");

 #else

 /**

  * armv5 directories

  * All source and comparison files need to be copied manually onto the flash card.

  * This code assumes the flash card is represented by drive E: on the target board.

  */

 /**

  * we don't copy all the wave files onto C: as they are too big, leave them on E:

  */

 _LIT(KSourceFileDir, "e:\\");

 /**

  * This folder keeps all the output files

  */

 _LIT(KOutputFileDir, "c:\\sbc\\");

 /**

  * This folder keeps all the reference files for comparison

  */

 _LIT(KReferenceFileDir, "c:\\sbc\\ref\\");

 #endif

 // Test source files names

 _LIT(KTestWavFile01, "sbc_test_01.wav");

 _LIT(KTestWavFile02, "sbc_test_02.wav");

 _LIT(KTestWavFile03, "sbc_test_03.wav"); 

 _LIT(KTestWavFile04, "sbc_test_04.wav");

 _LIT(KTestWavFile05, "sbc_test_05.wav"); 

 _LIT(KTestWavFile06, "sbc_test_06.wav");

 _LIT(KTestWavFile07, "sbc_test_07.wav"); 

 _LIT(KTestWavFile08, "sbc_test_08.wav");

 _LIT(KTestWavFile09, "sbc_test_09.wav"); 

 _LIT(KTestWavFile10, "sbc_test_10.wav");

 _LIT(KTestWavFile11, "sbc_test_11.wav"); 

 _LIT(KTestWavFile12, "sbc_test_12.wav");

 _LIT(KTestWavFile13, "sbc_test_13.wav"); 

 _LIT(KTestWavFile14, "sbc_test_14.wav");

 _LIT(KTestWavFile15, "sbc_test_15.wav"); 

 _LIT(KTestWavFile16, "sbc_test_16.wav");

 _LIT(KTestWavFile17, "sbc_test_17.wav"); 

 _LIT(KTestWavFile18, "sbc_test_18.wav");

 _LIT(KTestWavFile19, "sbc_test_19.wav"); 

 _LIT(KTestWavFile20, "sbc_test_20.wav");

 _LIT(KTestWavFile21, "sbc_test_21.wav"); 

 _LIT(KTestWavFile22, "sbc_test_22.wav");

 _LIT(KTestWavFile23, "sbc_test_23.wav"); 

 _LIT(KTestWavFile24, "sbc_test_24.wav");

 _LIT(KTestWavFile25, "sbc_test_25.wav"); 

 _LIT(KTestWavFile26, "sbc_test_26.wav");

 _LIT(KTestWavFile27, "sbc_test_27.wav"); 

 _LIT(KTestWavFile28, "sbc_test_28.wav");

 // Test reference file name

 _LIT(KRefSbcFile01, "sbc_test_01.sbc"); 

 _LIT(KRefSbcFile02, "sbc_test_02.sbc");

 _LIT(KRefSbcFile03, "sbc_test_03.sbc"); 

 _LIT(KRefSbcFile04, "sbc_test_04.sbc");

 _LIT(KRefSbcFile05, "sbc_test_05.sbc"); 

 _LIT(KRefSbcFile06, "sbc_test_06.sbc");

 _LIT(KRefSbcFile07, "sbc_test_07.sbc"); 

 _LIT(KRefSbcFile08, "sbc_test_08.sbc");

 _LIT(KRefSbcFile09, "sbc_test_09.sbc"); 

 _LIT(KRefSbcFile10, "sbc_test_10.sbc");

 _LIT(KRefSbcFile11, "sbc_test_11.sbc"); 

 _LIT(KRefSbcFile12, "sbc_test_12.sbc");

 _LIT(KRefSbcFile13, "sbc_test_13.sbc"); 

 _LIT(KRefSbcFile14, "sbc_test_14.sbc");

 _LIT(KRefSbcFile15, "sbc_test_15.sbc"); 

 _LIT(KRefSbcFile16, "sbc_test_16.sbc");

 _LIT(KRefSbcFile17, "sbc_test_17.sbc"); 

 _LIT(KRefSbcFile18, "sbc_test_18.sbc");

 _LIT(KRefSbcFile19, "sbc_test_19.sbc"); 

 _LIT(KRefSbcFile20, "sbc_test_20.sbc");

 _LIT(KRefSbcFile21, "sbc_test_21.sbc"); 

 _LIT(KRefSbcFile22, "sbc_test_22.sbc");

 _LIT(KRefSbcFile23, "sbc_test_23.sbc"); 

 _LIT(KRefSbcFile24, "sbc_test_24.sbc");

 _LIT(KRefSbcFile25, "sbc_test_25.sbc"); 

 _LIT(KRefSbcFile26, "sbc_test_26.sbc");

 _LIT(KRefSbcFile27, "sbc_test_27.sbc"); 

 _LIT(KRefSbcFile28, "sbc_test_28.sbc");

 /**

  * List of channel mode settings

  */

 enum TChannelMode

 	{

 	/**

 	channel mode is Mono

 	*/

 	EMono,

 	/**

 	channel mode is Dual Channel

 	*/

 	EDual,

 	/**

 	channel mode is Stereo

 	*/

 	EStereo,

 	/**

 	channel mode is Joint Stereo

 	*/

 	EJoint

 	};

 /**

  * List of allocation method settings

  */

 enum TAllocMethod

 	{

 	/**

 	allocation method is SNR

 	*/

 	ESNR,

 	/**

 	allocation method is Loudness

 	*/

 	ELoud

 	};

 /**

  * Table of all 28 tests configurations, each row contains the following fields in order

  * subbands, block length, sampling frequency, channel mode, allocation method, bitpool

  */

 const TInt gSbcConfig[28][6] = 

 	{

 		// configuration tests (8)

 		{ 4, 16, 48000, EMono,   ESNR,   18 },

 		{ 4, 16, 48000, EDual,   ESNR,   16 },

 		{ 8,  8, 44100, EMono,   ELoud,  32 },

 		{ 8,  8, 44100, EJoint,  ELoud,  56 },

 		{ 8,  4, 32000, EMono,   ESNR,   24 },

 		{ 8,  4, 32000, EStereo, ESNR,   48 },

 		{ 4, 12, 16000, EMono,   ELoud,  20 },

 		{ 4, 12, 16000, EJoint,  ELoud,  42 },

 		// vbr tests (2)

 		{ 4, 16, 44100, EMono,   ELoud,  15 },

 		{ 8, 12, 48000, EJoint,  ELoud,  51 },

 		// maximum bit rate tests (8)

 		{ 8, 16, 16000, EMono,   ELoud, 128 },

 		{ 8, 16, 16000, EJoint,  ESNR,  249 },

 		{ 8, 16, 32000, EMono,   ELoud,  76 },

 		{ 8, 16, 32000, EJoint,  ESNR,  121 },

 		{ 8, 16, 44100, EMono,   ELoud,  54 },

 		{ 8, 16, 44100, EJoint,  ESNR,   86 },

 		{ 8, 16, 48000, EMono,   ELoud,  49 },

 		{ 8, 16, 48000, EJoint,  ESNR,   78 },

 		// special tests (2)

 		{ 8, 16, 48000, EMono,   ESNR,   29 },

 		{ 8, 16, 44100, EJoint,  ESNR,   53 },

 		// typical tests (8)

 		{ 8, 16, 44100, EMono,   ELoud,  19 },

 		{ 8, 16, 48000, EMono,   ELoud,  18 },

 		{ 8, 16, 44100, EJoint,  ELoud,  35 },

 		{ 8, 16, 48000, EJoint,  ELoud,  33 },

 		{ 8, 16, 44100, EMono,   ELoud,  31 },

 		{ 8, 16, 48000, EMono,   ELoud,  29 },

 		{ 8, 16, 44100, EJoint,  ELoud,  53 },

 		{ 8, 16, 48000, EJoint,  ELoud,  51 }

 	};

 /**

  * This function converts number of subbands into TSBCFrameParameters::TSubbands value

  * @param 	"TInt aSubbands"

  *		  	number of subbands

  * @return	"TSBCFrameParameters::TSubbands"

  *			TSBCFrameParameters::TSubbands value

  */

 static inline TSBCFrameParameters::TSubbands GetSubbandsL(TInt aSubbands)

 	{

 	switch (aSubbands)

 		{

 		case 4: return TSBCFrameParameters::E4Subbands;

 		case 8: return TSBCFrameParameters::E8Subbands;

 		}

 	User::Leave(KErrArgument);

 	return TSBCFrameParameters::E4Subbands; // just make the compiler happy

 	}

 /**

  * This function converts number of blocks into TSBCFrameParameters::TBlockLength value

  * @param 	"TInt aBlocks"

  *		  	number of blocks

  * @return	"TSBCFrameParameters::TBlockLength"

  *			TSBCFrameParameters::TBlockLength value

  */

 static inline TSBCFrameParameters::TBlockLength GetBlockLengthL(TInt aBlocks)

 	{

 	switch (aBlocks)

 		{

 		case 4: return TSBCFrameParameters::E4Blocks;

 		case 8: return TSBCFrameParameters::E8Blocks;

 		case 12: return TSBCFrameParameters::E12Blocks;

 		case 16: return TSBCFrameParameters::E16Blocks;

 		}

 	User::Leave(KErrArgument);

 	return TSBCFrameParameters::E4Blocks; //just make the compiler happy

 	}

 /**

  * This function converts sampling frequency value into TSBCFrameParameters::TSamplingFrequency value

  * @param 	"TInt aSampFreq"

  *		  	real sampling frequency value

  * @return	"TSBCFrameParameters::TSamplingFrequency"

  *			TSBCFrameParameters::TSamplingFrequency value

  */

 static inline TSBCFrameParameters::TSamplingFrequency GetSampFreqL(TInt aSampFreq)

 	{

 	switch (aSampFreq)

 		{

 		case 16000: return TSBCFrameParameters::E16000Hz;

 		case 32000: return TSBCFrameParameters::E32000Hz;

 		case 44100: return TSBCFrameParameters::E44100Hz;

 		case 48000: return TSBCFrameParameters::E48000Hz;

 		}

 	User::Leave(KErrArgument);

 	return TSBCFrameParameters::E16000Hz; // just make the compiler happy

 	}

 /**

  * This function converts ChannelMode enum value into TSBCFrameParameters::TChannelMode value

  * @param 	"TInt aChnlMode"

  *		  	ChannelMode enum value

  * @return	"TSBCFrameParameters::TChannelMode"

  *			TSBCFrameParameters::TChannelMode value

  */

 static inline TSBCFrameParameters::TChannelMode GetChannelModeL(TInt aChnlMode)

 	{

 	switch (aChnlMode)

 		{

 		case EMono: return TSBCFrameParameters::EMono;

 		case EDual: return TSBCFrameParameters::EDualChannel;

 		case EStereo: return TSBCFrameParameters::EStereo;

 		case EJoint: return TSBCFrameParameters::EJointStereo;

 		}

 	User::Leave(KErrArgument);

 	return TSBCFrameParameters::EMono; // just make the compiler happy

 	}

 /**

  * This function converts AllocMethod enum value into TSBCFrameParameters::TAllocationMethod value

  * @param 	"TInt aAllocMthd"

  *		  	AllocMethod enum value

  * @return	"TSBCFrameParameters::TAllocationMethod"

  *			TSBCFrameParameters::TAllocationMethod value

  */

 static inline TSBCFrameParameters::TAllocationMethod GetAllocMethodL(TInt aAllocMthd)

 	{

 	switch (aAllocMthd)

 		{

 		case ESNR: return TSBCFrameParameters::ESNR;

 		case ELoud: return TSBCFrameParameters::ELoudness;

 		}

 	User::Leave(KErrArgument);

 	return TSBCFrameParameters::ESNR;

 	}

 /**

  * This function gets the configuration for one test from SbcConfig[28]

  * @param 	"TInt aTestNumber"

  *		  	test number

  * @return	"TSBCFrameParameters"

  *			the sbc frame parameters used to configure sbc codec

  */

 static TSBCFrameParameters SbcParametersL(TInt aTestNumber)

 	{

 	if (aTestNumber < 0 || aTestNumber > 28)

 		{

 		User::Leave(KErrArgument);

 		}

 	TSBCFrameParameters param;

 	param.SetSubbands(GetSubbandsL(gSbcConfig[aTestNumber - 1][0]) );

 	param.SetBlockLength(GetBlockLengthL(gSbcConfig[aTestNumber - 1][1]) );

 	param.SetSamplingFrequency(GetSampFreqL(gSbcConfig[aTestNumber - 1][2]) );

 	param.SetChannelMode(GetChannelModeL(gSbcConfig[aTestNumber - 1][3]) );

 	param.SetAllocationMethod(GetAllocMethodL(gSbcConfig[aTestNumber - 1][4]) );

 	param.SetBitpool(static_cast<TUint8>(gSbcConfig[aTestNumber - 1][5]) );

 	return param;

 	}

 /**

  * Constructor

  */

 CTestStep_MMF_SbcCodec::CTestStep_MMF_SbcCodec()

 	{

 	}

 /**

  * Destructor

  */

 CTestStep_MMF_SbcCodec::~CTestStep_MMF_SbcCodec()

 	{

 	}

 /**

  * This function gets test source file name for one test

  * @param 	"TInt aTestNumber"

  *		  	test number

  * @return 	"const TDesC&"

  * 			test file name

  */

 const TDesC& CTestStep_MMF_SbcCodec::GetTestFileName(TInt aTestNumber)

 	{

 	switch (aTestNumber)

 		{

 		case 1 : return KTestWavFile01;

 		case 2 : return KTestWavFile02;

 		case 3 : return KTestWavFile03;

 		case 4 : return KTestWavFile04;

 		case 5 : return KTestWavFile05;

 		case 6 : return KTestWavFile06;

 		case 7 : return KTestWavFile07;

 		case 8 : return KTestWavFile08;

 		case 9 : return KTestWavFile09;

 		case 10: return KTestWavFile10;

 		case 11: return KTestWavFile11;

 		case 12: return KTestWavFile12;

 		case 13: return KTestWavFile13;

 		case 14: return KTestWavFile14;

 		case 15: return KTestWavFile15;

 		case 16: return KTestWavFile16;

 		case 17: return KTestWavFile17;

 		case 18: return KTestWavFile18;

 		case 19: return KTestWavFile19;

 		case 20: return KTestWavFile20;

 		case 21: return KTestWavFile21;

 		case 22: return KTestWavFile22;

 		case 23: return KTestWavFile23;

 		case 24: return KTestWavFile24;

 		case 25: return KTestWavFile25;

 		case 26: return KTestWavFile26;

 		case 27: return KTestWavFile27;

 		case 28: return KTestWavFile28;

 		}

 	User::Panic(_L("Invalid test number"), KErrArgument);

 	return KTestWavFile01;

 	}

 /**

  * This function gets test reference file name for one test

  * @param 	"TInt aTestNumber"

  *		  	test number

  * @return 	"const TDesC&"

  * 			reference file name

  */

 const TDesC& CTestStep_MMF_SbcCodec::GetRefFileName(TInt aTestNumber)

 	{

 	switch (aTestNumber)

 		{

 		case 1 : return KRefSbcFile01;

 		case 2 : return KRefSbcFile02;

 		case 3 : return KRefSbcFile03;

 		case 4 : return KRefSbcFile04;

 		case 5 : return KRefSbcFile05;

 		case 6 : return KRefSbcFile06;

 		case 7 : return KRefSbcFile07;

 		case 8 : return KRefSbcFile08;

 		case 9 : return KRefSbcFile09;

 		case 10: return KRefSbcFile10;

 		case 11: return KRefSbcFile11;

 		case 12: return KRefSbcFile12;

 		case 13: return KRefSbcFile13;

 		case 14: return KRefSbcFile14;

 		case 15: return KRefSbcFile15;

 		case 16: return KRefSbcFile16;

 		case 17: return KRefSbcFile17;

 		case 18: return KRefSbcFile18;

 		case 19: return KRefSbcFile19;

 		case 20: return KRefSbcFile20;

 		case 21: return KRefSbcFile21;

 		case 22: return KRefSbcFile22;

 		case 23: return KRefSbcFile23;

 		case 24: return KRefSbcFile24;

 		case 25: return KRefSbcFile25;

 		case 26: return KRefSbcFile26;

 		case 27: return KRefSbcFile27;

 		case 28: return KRefSbcFile28;

 		}

 	User::Panic(_L("Invalid test number"), KErrArgument);

 	return KRefSbcFile01;

 	}

 /**

  * This function reads source out from source file from a specific position 

  and fill the srouce into the source buffer.

  * @param 	"const TDesC& aFileName"

  *		  	the source file name

  * @param 	"TDes8& aSrcBuffer"

  *		  	the source buffer

  * @param 	"TInt aFilePos"

  *		  	the file position

  * @leave if reading file failed

  */

 void CTestStep_MMF_SbcCodec::ReadSourceL(const TDesC& aFileName, TDes8& aSrcBuffer, TInt aFilePos)

 	{

 	TFileName srcFileName(KSourceFileDir);

 	srcFileName.Append(aFileName);

 	// connect to file service

 	RFs fs;

 	User::LeaveIfError(fs.Connect());

 	CleanupClosePushL(fs);

 	RFile srcFile;

 	User::LeaveIfError(srcFile.Open(fs, srcFileName, EFileRead | EFileShareAny) );

 	CleanupClosePushL(srcFile);

 	aFilePos += KWavFileHeaderSize; // skip wave file header

 	User::LeaveIfError(srcFile.Seek(ESeekStart, aFilePos) );

 	User::LeaveIfError(srcFile.Read(aSrcBuffer) );

 	CleanupStack::PopAndDestroy(2);

 	}

 /**

  * This function writes destination into destination file from a specific position.

  * @param 	"const TDesC& aFileName"

  *		  	the destination file name

  * @param 	"TDes8& aDstBuffer"

  *		  	the destination buffer

  * @param 	"TInt aFilePos"

  *		  	the file position

  * @leave if writing file failed

  */

 void CTestStep_MMF_SbcCodec::WriteDstToFileL(const TDesC& aFileName, const TDes8& aDstBuffer, TInt aFilePos)

 	{

 	TFileName dstFileName(KOutputFileDir);

 	dstFileName.Append(aFileName);

 	// connect to file service

 	RFs fs;

 	User::LeaveIfError(fs.Connect());

 	CleanupClosePushL(fs);

 	RFile dstFile;

 	TInt err = dstFile.Open(fs, dstFileName, EFileWrite);

 	if (err == KErrNotFound) // file does not exist - create it

 		{

 		err = dstFile.Create(fs, dstFileName, EFileWrite);

 		}

 	if (err != KErrNone)

 		{

 		User::Leave(err);

 		}

     CleanupClosePushL(dstFile);

 	User::LeaveIfError(dstFile.Seek(ESeekStart, aFilePos) );

 	User::LeaveIfError(dstFile.Write(aDstBuffer) );

 	CleanupStack::PopAndDestroy(2);

 	}

 /**

  * This function compares two files to check if they are the same.

  * @param 	"const TDesC& aFileName"

  *		  	the compare and reference files name

  * @return	"TInt"

  * 			0: two files are the same

  *			-1: two files are NOT the same

  * @leave if reading tow files failed

  */

 TInt CTestStep_MMF_SbcCodec::CompareFileL(const TDesC& aFileName)

 	{

 	TFileName cmpFileName(KOutputFileDir);

 	cmpFileName.Append(aFileName);

 	TFileName refFileName(KReferenceFileDir);

 	refFileName.Append(aFileName);

 	// connect to file service

 	RFs fs;

 	User::LeaveIfError(fs.Connect());

 	CleanupClosePushL(fs);

 	RFile cmpFile;

 	User::LeaveIfError(cmpFile.Open(fs, cmpFileName, EFileRead) );

     CleanupClosePushL(cmpFile);

 	RFile refFile;

 	User::LeaveIfError(refFile.Open(fs, refFileName, EFileRead) );

     CleanupClosePushL(refFile);

     TInt cmpFileSize = 0;

     TInt refFileSize = 0;

     cmpFile.Size(cmpFileSize);

     refFile.Size(refFileSize);

     if (cmpFileSize != refFileSize)

     	{

 		CleanupStack::PopAndDestroy(3); // refFile, cmpFile, fs

     	return -1;

     	}

 	CMMFDataBuffer* cmpFileBuf = CMMFDataBuffer::NewL(KDefaultBufferSize);

 	CleanupStack::PushL(cmpFileBuf);

 	CMMFDataBuffer* refFileBuf = CMMFDataBuffer::NewL(KDefaultBufferSize);

 	CleanupStack::PushL(refFileBuf);

     TInt result = 0;

     for (;;)

     	{

     	User::LeaveIfError(cmpFile.Read(cmpFileBuf->Data() ) );

     	if (cmpFileBuf->Data().Length() == 0) // end of file

     		{

     		break;

     		}

     	User::LeaveIfError(refFile.Read(refFileBuf->Data() ) );

     	if (cmpFileBuf->Data() != refFileBuf->Data() )

     		{

     		result = -1;

     		break;

     		}

     	cmpFileBuf->Data().Zero();

     	refFileBuf->Data().Zero();

     	}

 	CleanupStack::PopAndDestroy(5); // refFileBuff, cmpFileBuff, refFile, cmpFile, fs

 	return result;

 	}

 /**

  * This function is called by two TestNewL() tests, it calls ProcessL() once 

  * and checks the result.

  * @param 	"CMMFCodec* aCodec"

  * 			the codec for test

  * @return	"TVerdict"

  *			EPass: at least one byte src processed and one byte of dst generated and no error 

  *			EFail: other wise.

  * @leave if out of memory or ProcessL() leaves

  */

 TVerdict CTestStep_MMF_SbcCodec::ProcessOnceForNewL(CMMFCodec* aCodec)

 	{

 	TVerdict testResult = EFail;

 	// create buffers

 	CMMFDataBuffer* srcBuffer = CMMFDataBuffer::NewL(KDefaultBufferSize);

 	CleanupStack::PushL(srcBuffer);

 	CMMFDataBuffer* dstBuffer = CMMFDataBuffer::NewL(KDefaultBufferSize);

 	CleanupStack::PushL(dstBuffer);

 	TInt testNumber = 28;

 	TPckgBuf<TSBCFrameParameters> config(SbcParametersL(testNumber) );

 	aCodec->ConfigureL(KSbcCodecConfigUid, config);

 	ReadSourceL(GetTestFileName(testNumber), srcBuffer->Data(), 0);

 	if (srcBuffer->Data().Length() > 0) // end of file

 		{

 		TCodecProcessResult result = aCodec->ProcessL(*srcBuffer, *dstBuffer);

 		if (result.iDstBytesAdded > 0 && result.iSrcBytesProcessed > 0)

 			{

 			testResult = EPass;

 			}

 		}

 	else

 		{

 		ERR_PRINTF1(_L(">> CTestStep_MMF_SbcCodec::ProcessOnceForNewL no source read") );

 		}

 	CleanupStack::PopAndDestroy(2); // dstBuffer, srcBuffer

 	return testResult;

 }

 /**

  * This function tests codec instantiation by ECom plugin UID.

  * @param 	"TUid aCodecUID"

  * 			the codec ECom UID

  * @return	"TVerdict"

  *			EPass: ProcessOnceForNewL() passes 

  *			EFail: ProcessOnceForNewL() fails

  * @leave if CMMFCodec::NewL() leaves

  */

 TVerdict CTestStep_MMF_SbcCodec::TestNewL(TUid aCodecUID)

 	{

 	//create codec from uid

 	CMMFCodec* codec = NULL;

 	TRAPD(err, codec = CMMFCodec::NewL(aCodecUID) );

 	if (err != KErrNone)

 		{

 		ERR_PRINTF2(_L(">> CTestStep_MMF_SbcCodec::TestNewL Leave occurred in NewL, error code %d"), err);

 		return EFail;

 		}

 	if (!codec)

 		{

 		ERR_PRINTF1(_L(">> CTestStep_MMF_SbcCodec::TestNewL NewL returned NULL") );

 		return EFail;

 		}

 	CleanupStack::PushL(codec);

 	TVerdict result = ProcessOnceForNewL(codec);

 	CleanupStack::PopAndDestroy(); //codec

 	return result;

 	}

 /**

  * This function tests codec instantiation by two FourCC codes.

  * @param 	"const TFourCC& aSrcFourCC"

  * 			the FourCC code of source media type

  * @param 	"const TFourCC& aDstFourCC"

  * 			the FourCC code of destination media type

  * @return	"TVerdict"

  *			EPass: ProcessOnceForNewL() passes

  *			EFail: ProcessOnceForNewL() fails

  * @leave if CMMFCodec::NewL() or ProcessOnceForNewL() leaves

  */

 TVerdict CTestStep_MMF_SbcCodec::TestNewL(const TFourCC& aSrcFourCC, const TFourCC& aDstFourCC)

 	{

 	//create codec from uid

 	CMMFCodec* codec = NULL;

 	TRAPD(err, codec = CMMFCodec::NewL(aSrcFourCC, aDstFourCC) );

 	if (err != KErrNone)

 		{

 		ERR_PRINTF2(_L(">> CTestStep_MMF_SbcCodec::TestNewL Leave occurred in NewL, error code %d"), err);

 		return EFail;

 		}

 	if (!codec)

 		{

 		ERR_PRINTF1(_L(">> CTestStep_MMF_SbcCodec::TestNewL NewL returned NULL") );

 		return EFail;

 		}

 	CleanupStack::PushL(codec);

 	TVerdict result = ProcessOnceForNewL(codec);

 	CleanupStack::PopAndDestroy(); //codec

 	return result;

 	}

 /**

  * Performance test

  * This function tests ProcessL() function, it checks if ProcessL() returns the 

  * correct result with different buffer size settings

  * @return	"TVerdict"

  * 			EPass: the results are expected ones. 

  * 			EFail: otherwise. 

  * @leave if out of memory or ProcessL(), ReadSourceL() leaves

  */

 TVerdict CTestStep_MMF_SbcCodec::TestProcessL()

 	{

 	//create codec from uid

 	CMMFCodec* codec = NULL;

 	TRAPD(err, codec = CMMFCodec::NewL(KSbcCodecPluginUid) );

 	if (err != KErrNone)

 		{

 		ERR_PRINTF2(_L(">> CTestStep_MMF_SbcCodec::TestProcessL Leave occurred in NewL, error code %d"), err);

 		return EFail;

 		}

 	if (!codec)

 		{

 		ERR_PRINTF1(_L(">> CTestStep_MMF_SbcCodec::TestProcessL NewL returned NULL") );

 		return EFail;

 		}

 	CleanupStack::PushL(codec);

 	const TInt testNumber = 28;

 	TSBCFrameParameters param = SbcParametersL(testNumber);

 	const TUint sbcFrameLength = param.CalcFrameLength();

 	const TUint pcmFrameSize = sizeof(TInt16) * param.BlockLength() * param.Channels() * param.Subbands();

 	// create src buffer

 	CMMFDataBuffer* srcBuffer = CMMFDataBuffer::NewL(pcmFrameSize);

 	CleanupStack::PushL(srcBuffer);

 	// dummy buffer, smaller than one frame length

 	CMMFDataBuffer* dummyBuffer = CMMFDataBuffer::NewL(sbcFrameLength - 1);

 	CleanupStack::PushL(dummyBuffer);

 	// create dst buffer

 	CMMFDataBuffer* dstBuffer = CMMFDataBuffer::NewL(sbcFrameLength); 

 	CleanupStack::PushL(dstBuffer);

 	ReadSourceL(GetTestFileName(testNumber), srcBuffer->Data(), 0);

 	if (static_cast<TUint>(srcBuffer->Data().Length() ) != pcmFrameSize)

 		{

 		ERR_PRINTF1(_L(">> CTestStep_MMF_SbcCodec::TestProcessL read source failed") );

 		CleanupStack::PopAndDestroy(3); // dstBuffer, srcBuffer, codec

 		return EFail;

 		}

 	TVerdict testResult = EPass;

 	TCodecProcessResult procResult;

 	/** test ProcessL() without ConfigureL() called, should leave with KErrAbort */

 	TRAP(err, procResult = codec->ProcessL(*srcBuffer, *dstBuffer) );

 	if (err != KErrAbort || 

 		procResult.iSrcBytesProcessed != 0 || 

 		procResult.iDstBytesAdded != 0 || 

 		procResult.iStatus != TCodecProcessResult::EProcessError)

 		{

 		ERR_PRINTF1(_L(">> CTestStep_MMF_SbcCodec::TestProcessL failed, ProcessL didn't leave with KErrAbort when ConfigureL() is not called") );

 		testResult = EFail;

 		}

 	/** test ProcessL() with small dst buffer size, should leave with KErrArgument */

 	TPckgBuf<TSBCFrameParameters> config(param);

 	codec->ConfigureL(KSbcCodecConfigUid, config);

 	codec->ResetL();

 	TRAP(err, procResult = codec->ProcessL(*srcBuffer, *dummyBuffer) );

 	if (err != KErrArgument || 

 		procResult.iSrcBytesProcessed != 0 || 

 		procResult.iDstBytesAdded != 0 || 

 		procResult.iStatus != TCodecProcessResult::EProcessError)

 		{

 		ERR_PRINTF1(_L(">> CTestStep_MMF_SbcCodec::TestProcessL failed in ProcessL") );

 		testResult = EFail;

 		}

 	/** test ProcessL() with correct settings, should return EProcessComplete */

 	codec->ResetL();

 	TRAP(err, procResult = codec->ProcessL(*srcBuffer, *dstBuffer) );

 	if (err != KErrNone || 

 		procResult.iSrcBytesProcessed != pcmFrameSize || 

 		procResult.iDstBytesAdded != sbcFrameLength || 

 		procResult.iStatus != TCodecProcessResult::EProcessComplete)

 		{

 		ERR_PRINTF1(_L(">> CTestStep_MMF_SbcCodec::TestProcessL failed, ProcessL didn't work propertly with correct settings") );

 		testResult = EFail;

 		}

 	/** test ProcessL() with not enough dst buffer remained, should return EProcessIncomplete */

 	// now the remaining dst buffer size is one byte less than one frame length

 	dstBuffer->SetPosition(1); 

 	codec->ResetL();

 	TRAP(err, procResult = codec->ProcessL(*srcBuffer, *dstBuffer) );

 	if (err != KErrNone || 

 		procResult.iSrcBytesProcessed != 0 || 

 		procResult.iDstBytesAdded != 0 || 

 		procResult.iStatus != TCodecProcessResult::EProcessIncomplete)

 		{

 		ERR_PRINTF1(_L(">> CTestStep_MMF_SbcCodec::TestProcessL failed, ProcessL didn't return EProcessIncomplete when there is not enough dst buffer") );

 		testResult = EFail;

 		}

 	/** test ProcessL() with not enough src buffer remained, should return EDstNotFilled */

 	// set this position to an even value as only even number of samples will be cached

 	const TInt srcPos = 2;

 	// the remaining src buffer size is less than one frame, it should be cached, 

 	// and return EProcessDstNotFilled 

 	srcBuffer->SetPosition(srcPos); 

 	// now the remaining dst buffer size is one frame length

 	dstBuffer->SetPosition(0);

 	codec->ResetL();

 	TRAP(err, procResult = codec->ProcessL(*srcBuffer, *dstBuffer) );

 	if (err != KErrNone || 

 		procResult.iSrcBytesProcessed != pcmFrameSize - srcPos || 

 		procResult.iDstBytesAdded != 0 || 

 		procResult.iStatus != TCodecProcessResult::EDstNotFilled)

 		{

 		ERR_PRINTF1(_L(">> CTestStep_MMF_SbcCodec::TestProcessL failed, ProcessL didn't return EDstNotFilled when there is not enough src buffer") );

 		testResult = EFail;

 		}

 	CleanupStack::PopAndDestroy(4); // dstBuffer, dummyBuffer, srcBuffer, codec

 	return testResult;

 	}

 /**

  * This function tests the whole encoding routine with a specific settings (e.g. 

  * sbc frameparameters, src buffer size, dst buffer size) and compares the result 

  * file with reference file.

  * @param	"TInt aTestNumber"

  * 			the test number.

  * @param	"TInt aSrcBufSize"

  * 			the source buffer size.

  * @param	"TInt aDstBufSize"

  * 			the destination buffer size.

  * @return	"TVerdict"

  * 			EPass: encoded file is the same as the reference file. 

  * 			EFail: encoded file is NOT the same as the reference file. 

  * @leave if out of memory or ProcessL(), ReadSourceL(), WriteDstToFileL() leaves

  */

 TVerdict CTestStep_MMF_SbcCodec::TestEncodeL(TInt aTestNumber, TInt aSrcBufSize, TInt aDstBufSize)

 	{

 	//create codec from uid

 	CMMFCodec* codec = NULL;

 	TRAPD(err, codec = CMMFCodec::NewL(KSbcCodecPluginUid) );

 	if (err != KErrNone)

 		{

 		ERR_PRINTF2(_L(">> CTestStep_MMF_SbcCodec::TestEncodeL Leave occurred in NewL, error code %d"), err);

 		return EFail;

 		}

 	if (!codec)

 		{

 		ERR_PRINTF1(_L(">> CTestStep_MMF_SbcCodec::TestEncodeL NewL returned NULL") );

 		return EFail;

 		}

 	CleanupStack::PushL(codec);

 	// create buffers

 	CMMFDataBuffer* srcBuffer = CMMFDataBuffer::NewL(aSrcBufSize);

 	CleanupStack::PushL(srcBuffer);

 	CMMFDataBuffer* dstBuffer = CMMFDataBuffer::NewL(aDstBufSize);

 	CleanupStack::PushL(dstBuffer);

 	TPckgBuf<TSBCFrameParameters> config(SbcParametersL(aTestNumber) );

 	codec->ConfigureL(KSbcCodecConfigUid, config);

 	TInt srcFilePos = 0;

 	TInt dstFilePos = 0;

 	for (;;)

 		{

 		ReadSourceL(GetTestFileName(aTestNumber), srcBuffer->Data(), srcFilePos);

 		if (srcBuffer->Data().Length() == 0) // end of file

 			{

 			break;

 			}

 		TCodecProcessResult result = codec->ProcessL(*srcBuffer, *dstBuffer);

 		WriteDstToFileL(GetRefFileName(aTestNumber), dstBuffer->Data(), dstFilePos);

 		srcBuffer->Data().Zero();

 		dstBuffer->Data().Zero();

 		srcFilePos += result.iSrcBytesProcessed;

 		dstFilePos += result.iDstBytesAdded;

 		}

 	TVerdict result = EPass;

 	if (CompareFileL(GetRefFileName(aTestNumber) ) != 0)

 		{

 		result = EFail;

 		}

 	CleanupStack::PopAndDestroy(3); // dstBuffer, srcBuffer, codec

 	return result;

 	}

 /**

  * This function tests codec ResetL() function make sure the cach buffer 

  * gets cleared when it gets called. It compares the encoded file with the reference file

  * @return	"TVerdict"

  * 			EPass: encoded file is the same as the reference file. 

  * 			EFail: encoded file is NOT the same as the reference file. 

  * @leave if out of memory or ProcessL(), ReadSourceL(), WriteDstToFileL() leaves

  */

 TVerdict CTestStep_MMF_SbcCodec::TestRepositionL()

 	{

 	//create codec from uid

 	CMMFCodec* codec = NULL;

 	TRAPD(err, codec = CMMFCodec::NewL(KSbcCodecPluginUid) );

 	if (err != KErrNone)

 		{

 		ERR_PRINTF2(_L(">> CTestStep_MMF_SbcCodec::TestRepositionL Leave occurred in NewL, error code %d"), err);

 		return EFail;

 		}

 	if (!codec)

 		{

 		ERR_PRINTF1(_L(">> CTestStep_MMF_SbcCodec::TestRepositionL NewL returned NULL") );

 		return EFail;

 		}

 	CleanupStack::PushL(codec);

 	const TInt testNumber = 28;

 	// this size will make sure some samples will be cached, 

 	// also make sure it is an EVEN number

 	const TInt srcBufSize = 4094; 

 	const TInt dstBufSize = 2048;

 	// create buffers

 	CMMFDataBuffer* srcBuffer = CMMFDataBuffer::NewL(srcBufSize);

 	CleanupStack::PushL(srcBuffer);

 	CMMFDataBuffer* dstBuffer = CMMFDataBuffer::NewL(dstBufSize);

 	CleanupStack::PushL(dstBuffer);

 	TSBCFrameParameters param = SbcParametersL(testNumber);

 	TPckgBuf<TSBCFrameParameters> config(param);

 	codec->ConfigureL(KSbcCodecConfigUid, config);

 	const TUint pcmFrameSize = sizeof(TInt16) * param.BlockLength() * param.Channels() * param.Subbands();

 	TInt srcFilePos = 0;

 	TInt dstFilePos = 0;

 	for (;;)

 		{

 		ReadSourceL(GetTestFileName(testNumber), srcBuffer->Data(), srcFilePos);

 		if (srcBuffer->Data().Length() == 0) // end of file

 			{

 			break;

 			}

 		TCodecProcessResult result = codec->ProcessL(*srcBuffer, *dstBuffer);

 		WriteDstToFileL(GetRefFileName(testNumber), dstBuffer->Data(), dstFilePos);

 		// clear up any cached samples

 		codec->ResetL();

 		// the iSrcBytesProcessed includes the encoded src size plus the cached src size, 

 		// here set the iSrcBytesProcessed to the encoded src size only as we cleared up 

 		// the cached samples

 		result.iSrcBytesProcessed -= srcBuffer->Data().Length() % pcmFrameSize;

 		srcBuffer->Data().Zero();

 		dstBuffer->Data().Zero();

 		// set new src file position, which is the end of encoded src (no cached src)

 		srcFilePos += result.iSrcBytesProcessed;

 		// set new dst file position

 		dstFilePos += result.iDstBytesAdded;

 		}

 	TVerdict result = EPass;

 	if (CompareFileL(GetRefFileName(testNumber) ) != 0)

 		{

 		result = EFail;

 		}

 	CleanupStack::PopAndDestroy(3); // dstBuffer, srcBuffer, codec

 	return result;

 	}

 /**

  * This test tests changing configuration for the codec. It calls ConfigureL() once to 

  * encode one sbc bitstream, then changes a different configuration by calling ConfigureL() 

  * and encode another sbc bitstream.

  * @return	"TVerdict"

  *			EPass: if encoded sbc files are the same as the reference files.

  *			EFail: if not.

  * @leave if ReadSourceL(), ProcessL() leaves

  */

 TVerdict CTestStep_MMF_SbcCodec::TestChangeConfigL()

 	{

 	//create codec from uid

 	CMMFCodec* codec = NULL;

 	TRAPD(err, codec = CMMFCodec::NewL(KSbcCodecPluginUid) );

 	if (err != KErrNone)

 		{

 		ERR_PRINTF2(_L(">> CTestStep_MMF_SbcCodec::TestChangeConfigL Leave occurred in NewL, error code %d"), err);

 		return EFail;

 		}

 	if (!codec)

 		{

 		ERR_PRINTF1(_L(">> CTestStep_MMF_SbcCodec::TestChangeConfigL NewL returned NULL") );

 		return EFail;

 		}

 	CleanupStack::PushL(codec);

 	const TInt testNumber[2] = {1, 28};

 	// this size will make sure some samples will be cached, 

 	// also make sure it is an EVEN number

 	const TInt srcBufSize = 4094; 

 	const TInt dstBufSize = 2048;

 	// create buffers

 	CMMFDataBuffer* srcBuffer = CMMFDataBuffer::NewL(srcBufSize);

 	CleanupStack::PushL(srcBuffer);

 	CMMFDataBuffer* dstBuffer = CMMFDataBuffer::NewL(dstBufSize);

 	CleanupStack::PushL(dstBuffer);

 	TVerdict result = EPass;

 	for (TInt test = 0; test < 2; test++)

 		{

 		TSBCFrameParameters param = SbcParametersL(testNumber[test]);

 		TPckgBuf<TSBCFrameParameters> config(param);

 		codec->ConfigureL(KSbcCodecConfigUid, config);

 		codec->ResetL();

 		TInt srcFilePos = 0;

 		TInt dstFilePos = 0;

 		for (;;)

 			{

 			ReadSourceL(GetTestFileName(testNumber[test]), srcBuffer->Data(), srcFilePos);

 			if (srcBuffer->Data().Length() == 0) // end of file

 				{

 				break;

 				}

 			TCodecProcessResult result = codec->ProcessL(*srcBuffer, *dstBuffer);

 			WriteDstToFileL(GetRefFileName(testNumber[test]), dstBuffer->Data(), dstFilePos);

 			srcBuffer->Data().Zero();

 			dstBuffer->Data().Zero();

 			srcFilePos += result.iSrcBytesProcessed;

 			dstFilePos += result.iDstBytesAdded;

 			}

 		if (CompareFileL(GetRefFileName(testNumber[test]) ) != 0)

 			{

 			result = EFail;

 			}

 		}

 	CleanupStack::PopAndDestroy(3); // dstBuffer, srcBuffer, codec

 	return result;

 	}

 /**

  * This tests memory scribble for ProcessL(). It creates a buffer size of frame_length + 2, 

  * the first byte and last byte are used to detect memory scribble,

  * the middle frame_length bytes are used for destination buffer. It calls ProcessL() once.

  * and checks if the first or last byte value changed to check memory scribble.

  * @return	"TVerdict"

  *			EPass: if there is no momery scribble.

  *			EFail: if there is momery scribble.

  * @leave if ReadSourceL(), ProcessL() leaves

  */

 TVerdict CTestStep_MMF_SbcCodec::TestMemoryScribbleL()

 	{

 	//create codec from uid

 	CMMFCodec* codec = NULL;

 	TRAPD(err, codec = CMMFCodec::NewL(KSbcCodecPluginUid) );

 	if (err != KErrNone)

 		{

 		ERR_PRINTF2(_L(">> CTestStep_MMF_SbcCodec::TestMemoryScribbleL Leave occurred in NewL, error code %d"), err);

 		return EFail;

 		}

 	if (!codec)

 		{

 		ERR_PRINTF1(_L(">> CTestStep_MMF_SbcCodec::TestMemoryScribbleL NewL returned NULL") );

 		return EFail;

 		}

 	CleanupStack::PushL(codec);

 	const TInt testNumber = 28;

 	TSBCFrameParameters param = SbcParametersL(testNumber);

 	TPckgBuf<TSBCFrameParameters> config(param);

 	codec->ConfigureL(KSbcCodecConfigUid, config);

 	const TUint sbcFrameLength = param.CalcFrameLength();

 	const TUint pcmFrameSize = sizeof(TInt16) * param.BlockLength() * param.Channels() * param.Subbands();

 	// create buffers

 	CMMFDataBuffer* srcBuffer = CMMFDataBuffer::NewL(pcmFrameSize);

 	CleanupStack::PushL(srcBuffer);

 	// front and end bytes are used to detect memory scribble

 	CMMFDataBuffer* buffer = CMMFDataBuffer::NewL(sbcFrameLength + 2); 

 	CleanupStack::PushL(buffer);

 	TUint8* firstByte = const_cast<TUint8*>(buffer->Data().Ptr() );

 	TUint8* lastByte = firstByte + sbcFrameLength + 1;

 	const TUint8 initValue = 0xaa; // 10101010

 	*firstByte = initValue;

 	*lastByte = initValue;

 	CMMFPtrBuffer* dstBuffer = CMMFPtrBuffer::NewL(TPtr8(firstByte + 1, sbcFrameLength) );

 	CleanupStack::PushL(dstBuffer);

 	ReadSourceL(GetTestFileName(testNumber), srcBuffer->Data(), 0);

 	TVerdict testResult = EPass;

 	if (static_cast<TUint>(srcBuffer->Data().Length() ) == pcmFrameSize)

 		{

 		TCodecProcessResult result = codec->ProcessL(*srcBuffer, *dstBuffer);

 		if (result.iSrcBytesProcessed != pcmFrameSize ||

 			result.iDstBytesAdded != sbcFrameLength ||

 			result.iStatus != TCodecProcessResult::EProcessComplete)

 			{

 			ERR_PRINTF1(_L(">> CTestStep_MMF_SbcCodec::TestMemoryScribbleL failed in ProcessL") );

 			testResult = EFail;

 			}

 		if (*firstByte != initValue || *lastByte != initValue ) // memory been scribbled

 			{

 			ERR_PRINTF1(_L(">> CTestStep_MMF_SbcCodec::TestMemoryScribbleL memory scribble occured") );

 			testResult = EFail;

 			}

 		}

 	else

 		{

 		ERR_PRINTF1(_L(">> CTestStep_MMF_SbcCodec::TestMemoryScribbleL read source failed") );

 		testResult = EFail;

 		}

 	CleanupStack::PopAndDestroy(4); // dstBuffer, buffer, srcBuffer, codec

 	return testResult;

 	}

 /**

  * This tests all the codec APIs (here we are using TestRepositionL() test as it 

  * uses all the APIs) and checks if there is any memory leak, it panics if so.

  * @return	"TVerdict"

  *			EPass: if there is no momery leak.

  *			EFail: if there is momery leak.

  * @leave if TestRepositionL() leaves

  */

 TVerdict CTestStep_MMF_SbcCodec::TestMemoryLeakL()

 	{

 	__MM_HEAP_MARK;

 	TestRepositionL();

 	__MM_HEAP_MARKEND;

 	return EPass;

 	}

 /**

  * This function tests how NewL deals with a memory allocation failure. This test 

  * will pass if NewL leaves with the correct error code on every memory allocation.

  *

  * @return	"TVerdict"

  *			EPass: if the test passes.

  *			EFail: if the test fails.

  */

 TVerdict CTestStep_MMF_SbcCodec::TestNewLOutOfMemoryL()

 	{

 	TVerdict testResult = EPass;

 	TInt failCount = 1;

 	for (;;)

 		{

 		__MM_HEAP_MARK;

 		__UHEAP_FAILNEXT(failCount);

 		CMMFCodec* codec = NULL;

 		TRAPD(err, codec = CMMFCodec::NewL(KSbcCodecPluginUid) );

 		// it should return either KErrNone or KErrNoMemory, 

 		// ideally should only return KErrNone when codec is created.

 		if (err == KErrNone)

 			{

 			TAny *testAlloc = User::Alloc(1);

 			delete codec;

 			if (testAlloc == NULL)

 				{

 				break;

 				}

 			User::Free(testAlloc);

 			}

 		else if (err != KErrNoMemory)

 			{

 			delete codec;

 			testResult = EFail;

 			break;

 			}

 		failCount++;

 		__UHEAP_RESET;

 		__MM_HEAP_MARKEND;

 		} // while(1)

 	INFO_PRINTF2(_L("NewL out of memory test finished at round %d"), failCount);

 	return testResult;

 	}

 /**

  * This function tests how the ProcessL() would deal with a memory allocation failure.

  * @return	"TVerdict"

  *			EPass: if the test passes.

  *			EFail: if the test fails.

  * @leave if out of memory or ConfigureL(), ReadSourceL leaves

  */

 TVerdict CTestStep_MMF_SbcCodec::TestProcessLOutOfMemoryL()

 	{

 	__MM_HEAP_MARK;

 	CMMFCodec* codec = CMMFCodec::NewL(KSbcCodecPluginUid);

 	if (!codec)

 		{

 		ERR_PRINTF1(_L(">> CTestStep_MMF_SbcCodec::TestProcessLOutOfMemoryL returned NULL") );

 		return EFail;

 		}

 	CleanupStack::PushL(codec);

 	const TInt testNumber = 28;

 	// this size will make sure some samples will be cached,

 	// also make sure it is an EVEN number

 	const TInt srcBufSize = 4094; 

 	const TInt dstBufSize = 2048;

 	TPckgBuf<TSBCFrameParameters> config(SbcParametersL(testNumber) );

 	codec->ConfigureL(KSbcCodecConfigUid, config);

 	// create buffers

 	CMMFDataBuffer* srcBuffer = CMMFDataBuffer::NewL(srcBufSize);

 	CleanupStack::PushL(srcBuffer);

 	CMMFDataBuffer* dstBuffer = CMMFDataBuffer::NewL(dstBufSize);

 	CleanupStack::PushL(dstBuffer);

 	ReadSourceL(GetTestFileName(testNumber), srcBuffer->Data(), 0);

 	if (srcBuffer->Data().Length() == 0) // end of file

 		{

 		ERR_PRINTF1(_L(">> CTestStep_MMF_SbcCodec::TestProcessLOutOfMemoryL no source read") );

 		return EFail;

 		}

 	TVerdict testResult = EPass;

 	TInt failCount = 1;

 	for (;;)

 		{

 		__UHEAP_FAILNEXT(failCount);

 		TCodecProcessResult dummyResult; // don't care about this result

 		TRAPD(err, dummyResult = codec->ProcessL(*srcBuffer, *dstBuffer) );

 		// it should return either KErrNone or KErrNoMemory, 

 		// ideally should only return KErrNone when codec is created.

 		if (err == KErrNone)

 			{

 			// attempt to allocate another cell. If this fails, 

 			// we have tested all of the memory allocs carried out by NewL.

 			TAny *testAlloc = User::Alloc(1);

 			if (testAlloc == NULL)

 				{

 				break;

 				}

 			User::Free(testAlloc);

 			}

 		else if (err != KErrNoMemory)

 			{

 			testResult = EFail;

 			break;

 			}

 		failCount++;

 		__UHEAP_RESET;

 		} // while(1)

 	INFO_PRINTF2(_L("ProcessL out of memory test finished at round %d"), failCount);

 	CleanupStack::PopAndDestroy(3); // dstBuffer, srcBuffer, codec

 	__MM_HEAP_MARKEND;

 	return testResult;

 	}

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

 //			** TEST MMF_SBCCODEC STEPS ***

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

 /**

  * Constructor

  */

 CTest_MMF_SbcCodec_U_001::CTest_MMF_SbcCodec_U_001()

 	{

 	iTestStepName = _L("MM-MMF-SbcCodec-U-001-HP");

 	}

 /**

  * Instantiate a codec with plugin UID

  * @test Req. under test REQ2716

  */

 TVerdict CTest_MMF_SbcCodec_U_001::DoTestStepL()

 	{

 	TVerdict testResult = EFail;

 	TRAPD(err, testResult = TestNewL(KSbcCodecPluginUid) );

 	if (err)

 		{

 		INFO_PRINTF2(_L("Test left with status %d"), err);

 		}

 	return testResult; 

 	}

 /**

  * Constructor

  */

 CTest_MMF_SbcCodec_U_002::CTest_MMF_SbcCodec_U_002()

 	{

 	iTestStepName = _L("MM-MMF-SbcCodec-U-002-HP");

 	}

 /**

  * Instantiate a codec with FourCC Codes

  * @test Req. under test REQ2716

  */

 TVerdict CTest_MMF_SbcCodec_U_002::DoTestStepL()

 	{

 	TVerdict testResult = EFail;

 	TRAPD(err, testResult = TestNewL(KMMFFourCCCodePCM16, KMMFFourCCCodeSBC) );

 	if (err)

 		{

 		INFO_PRINTF2(_L("Test left with status %d"), err);

 		}

 	return testResult; 

 	}

 /**

  * Constructor

  */

 CTest_MMF_SbcCodec_U_010::CTest_MMF_SbcCodec_U_010()

 	{

 	iTestStepName = _L("MM-MMF-SbcCodec-U-010-HP");

 	}

 /**

  * ProcessL() test

  * This test tests the ProcessL() function with different buffer size settings, and

  * check the returned results

  * @test Req. under test REQ2716

  */

 TVerdict CTest_MMF_SbcCodec_U_010::DoTestStepL()

 	{

 	TVerdict testResult = EFail;

 	TRAPD(err, testResult = TestProcessL() );

 	if (err)

 		{

 		INFO_PRINTF2(_L("Test left with status %d"), err);

 		}

 	return testResult; 

 	}

 /**

  * Constructor

  */

 CTest_MMF_SbcCodec_U_011::CTest_MMF_SbcCodec_U_011()

 	{

 	iTestStepName = _L("MM-MMF-SbcCodec-U-011-HP");

 	}

 /**

  * Configuration tests

  * This test tests if codec supports 8 different settings (see TSS & TP for A2DP spec)

  * @test Req. under test REQ2716

  */

 TVerdict CTest_MMF_SbcCodec_U_011::DoTestStepL()

 	{

 	TVerdict testResult = EPass;

 	TInt srcBufSize = KDefaultBufferSize; 

 	TInt dstBufSize = KDefaultBufferSize >> 1;

 	for (TInt testNumber = 1; testNumber <= 8; testNumber++)

 		{

 		TVerdict result = EFail;

 		TRAPD(err, result = TestEncodeL(testNumber, srcBufSize, dstBufSize) );

 		if (err)

 			{

 			INFO_PRINTF3(_L("Configuration test %d left with status %d"), testNumber, err);

 			testResult = EFail;

 			}

 		if (result == EFail)

 			{

 			INFO_PRINTF2(_L("Configuration test %d failed"), testNumber);

 			testResult = EFail;

 			}

 		// This is simulating different src buffer size by decreasing the 

 		// src buffer size number each time, it covers sample caching and 

 		// no caching various cases to make sure the codec can handle different

 		// src buffer size correctly

 		srcBufSize--;

 		}

 	return testResult; 

 	}

 /**

  * Constructor

  */

 CTest_MMF_SbcCodec_U_012::CTest_MMF_SbcCodec_U_012()

 	{

 	iTestStepName = _L("MM-MMF-SbcCodec-U-012-HP");

 	}

 /**

  * Maximum Bit Rate tests

  * This test tests sbc coded handles 8 different maximum bit rate settings (see TSS & TP for A2DP spec)

  * @test Req. under test REQ2716

  */

 TVerdict CTest_MMF_SbcCodec_U_012::DoTestStepL()

 	{

 	TVerdict testResult = EPass;

 	TInt srcBufSize = KDefaultBufferSize;

 	TInt dstBufSize = KDefaultBufferSize >> 1;

 	for (TInt testNumber = 11; testNumber <= 18; testNumber++)

 		{

 		TVerdict result = EFail;

 		TRAPD(err, result = TestEncodeL(testNumber, srcBufSize, dstBufSize) );

 		if (err)

 			{

 			INFO_PRINTF3(_L("Max Bit Rate test %d left with status %d"), testNumber, err);

 			testResult = EFail;

 			}

 		if (result == EFail)

 			{

 			INFO_PRINTF2(_L("Max Bit Rate test %d failed"), testNumber);

 			testResult = EFail;

 			}

 		// This is simulating different src buffer size by decreasing the 

 		// src buffer size number each time, it covers sample caching and 

 		// no caching various cases to make sure the codec can handle different

 		// src buffer size correctly

 		srcBufSize--;

 		}

 	return testResult; 

 	}

 /**

  * Constructor

  */

 CTest_MMF_SbcCodec_U_013::CTest_MMF_SbcCodec_U_013()

 	{

 	iTestStepName = _L("MM-MMF-SbcCodec-U-013-HP");

 	}

 /**

  * Special tests

  * This test tests sbc codec handles 2 special cases (see TSS & TP for A2DP spec)

  * @test Req. under test REQ2716

  */

 TVerdict CTest_MMF_SbcCodec_U_013::DoTestStepL()

 	{

 	TVerdict testResult = EPass;

 	TInt srcBufSize = KDefaultBufferSize;

 	TInt dstBufSize = KDefaultBufferSize >> 1;

 	for (TInt testNumber = 19; testNumber <= 20; testNumber++)

 		{

 		TVerdict result = EFail;

 		TRAPD(err, result = TestEncodeL(testNumber, srcBufSize, dstBufSize) );

 		if (err)

 			{

 			INFO_PRINTF3(_L("Special test %d left with status %d"), testNumber, err);

 			testResult = EFail;

 			}

 		if (result == EFail)

 			{

 			INFO_PRINTF2(_L("Special test %d failed"), testNumber);

 			testResult = EFail;

 			}

 		// This is simulating different src buffer size by decreasing the 

 		// src buffer size number each time, it covers sample caching and 

 		// no caching various cases to make sure the codec can handle different

 		// src buffer size correctly

 		srcBufSize--;

 		}

 	return testResult; 

 	}

 /**

  * Constructor

  */

 CTest_MMF_SbcCodec_U_014::CTest_MMF_SbcCodec_U_014()

 	{

 	iTestStepName = _L("MM-MMF-SbcCodec-U-014-HP");

 	}

 /**

  * Typical tests

  * This test tests sbc codec handles 8 typical settings (see TSS & TP for A2DP spec) which 

  * are required in REQ2716, our sbc encoder has to support these settings.

  * @test Req. under test REQ2716

  */

 TVerdict CTest_MMF_SbcCodec_U_014::DoTestStepL()

 	{

 	TVerdict testResult = EPass;

 	TInt srcBufSize = KDefaultBufferSize;

 	TInt dstBufSize = KDefaultBufferSize >> 1;

 	for (TInt testNumber = 21; testNumber <= 28; testNumber++)

 		{

 		TVerdict result = EFail;

 		TRAPD(err, result = TestEncodeL(testNumber, srcBufSize, dstBufSize) );

 		if (err)

 			{

 			INFO_PRINTF3(_L("Typical test %d left with status %d"), testNumber, err);

 			testResult = EFail;

 			}

 		if (result == EFail)

 			{

 			INFO_PRINTF2(_L("Typical test %d failed"), testNumber);

 			testResult = EFail;

 			}

 		// This is simulating different src buffer size by decreasing the 

 		// src buffer size number each time, it covers sample caching and 

 		// no caching various cases to make sure the codec can handle different

 		// src buffer size correctly

 		srcBufSize--;

 		}

 	return testResult; 

 	}

 /**

  * Constructor

  */

 CTest_MMF_SbcCodec_U_015::CTest_MMF_SbcCodec_U_015()

 	{

 	iTestStepName = _L("MM-MMF-SbcCodec-U-015-HP");

 	}

 /**

  * Reposition tests

  * This test tests ResetL() function and audio sample cach issue

  * @test Req. under test REQ2716

  */

 TVerdict CTest_MMF_SbcCodec_U_015::DoTestStepL()

 	{

 	TVerdict testResult = EFail;

 	TRAPD(err, testResult = TestRepositionL() );

 	if (err)

 		{

 		INFO_PRINTF2(_L("Reposition test left with status %d"), err);

 		testResult = EFail;

 		}

 	else

 		{

 		INFO_PRINTF1(_L("Reposition test passes") );

 		}

 	return testResult; 

 	}

 /**

  * Constructor

  */

 CTest_MMF_SbcCodec_U_016::CTest_MMF_SbcCodec_U_016()

 	{

 	iTestStepName = _L("MM-MMF-SbcCodec-U-016-HP");

 	}

 /**

  * Change configuration test

  * This test tests reconfigure sbc codec by calling ConfigureL() function

  * @test Req. under test REQ2716

  */

 TVerdict CTest_MMF_SbcCodec_U_016::DoTestStepL()

 	{

 	TVerdict testResult = EFail;

 	TRAPD(err, testResult = TestChangeConfigL() );

 	if (err)

 		{

 		INFO_PRINTF2(_L("Change conguration test left with status %d"), err);

 		testResult = EFail;

 		}

 	else

 		{

 		INFO_PRINTF1(_L("Change conguration test passes") );

 		}

 	return testResult; 

 	}

 /**

  * Constructor

  */

 CTest_MMF_SbcCodec_U_021::CTest_MMF_SbcCodec_U_021()

 	{

 	iTestStepName = _L("MM-MMF-SbcCodec-U-021-HP");

 	}

 /**

  * Memory Scribble test

  * @test Req. under test REQ2716

  */

 TVerdict CTest_MMF_SbcCodec_U_021::DoTestStepL()

 	{

 	TVerdict testResult = EPass;

 	TRAPD(err, testResult = TestMemoryScribbleL() );

 	if (err)

 		{

 		INFO_PRINTF2(_L("Memory scribble test left with status %d"), err);

 		testResult = EFail;

 		}

 	else

 		{

 		INFO_PRINTF1(_L("Memory scribble test passes") );

 		}

 	return testResult; 

 	}

 /**

  * Constructor

  */

 CTest_MMF_SbcCodec_U_022::CTest_MMF_SbcCodec_U_022()

 	{

 	iTestStepName = _L("MM-MMF-SbcCodec-U-022-HP");

 	}

 /**

  * Memory Leak test

  * @test Req. under test REQ2716

  */

 TVerdict CTest_MMF_SbcCodec_U_022::DoTestStepL()

 	{

 	TVerdict testResult = EPass;

 	TRAPD(err, testResult = TestMemoryLeakL() );

 	if (err)

 		{

 		INFO_PRINTF2(_L("Memory leak test left with status %d"), err);

 		testResult = EFail;

 		}

 	else

 		{

 		INFO_PRINTF1(_L("Memory leak test passes") );

 		}

 	return testResult; 

 	}

 /**

  * Constructor

  */

 CTest_MMF_SbcCodec_U_023::CTest_MMF_SbcCodec_U_023()

 	{

 	iTestStepName = _L("MM-MMF-SbcCodec-U-023-HP");

 	}

 /**

  * Out of Memory test for NewL()

  * @test Req. under test REQ2716

  */

 TVerdict CTest_MMF_SbcCodec_U_023::DoTestStepL()

 	{

 	TVerdict testResult = EPass;

 	TRAPD(err, testResult = TestNewLOutOfMemoryL() );

 	if (err)

 		{

 		INFO_PRINTF2(_L("NewL out of memory test left with status %d"), err);

 		testResult = EFail;

 		}

 	else

 		{

 		INFO_PRINTF1(_L("NewL out of memory test passes") );

 		}

 	return testResult; 

 	}

 /**

  * Constructor

  */

 CTest_MMF_SbcCodec_U_024::CTest_MMF_SbcCodec_U_024()

 	{

 	iTestStepName = _L("MM-MMF-SbcCodec-U-024-HP");

 	}

 /**

  * Out of Memory test for ProcessL()

  * @test Req. under test REQ2716

  */

 TVerdict CTest_MMF_SbcCodec_U_024::DoTestStepL()

 	{

 	TVerdict testResult = EPass;

 	TRAPD(err, testResult = TestProcessLOutOfMemoryL() );

 	if (err)

 		{

 		INFO_PRINTF2(_L("ProcessL out of memory test left with status %d"), err);

 		testResult = EFail;

 		}

 	else

 		{

 		INFO_PRINTF1(_L("ProcessL out of memory test passes") );

 		}

 	return testResult; 

 	}