sl@0: // Copyright (c) 2002-2009 Nokia Corporation and/or its subsidiary(-ies).
sl@0: // All rights reserved.
sl@0: // This component and the accompanying materials are made available
sl@0: // under the terms of "Eclipse Public License v1.0"
sl@0: // which accompanies this distribution, and is available
sl@0: // at the URL "http://www.eclipse.org/legal/epl-v10.html".
sl@0: //
sl@0: // Initial Contributors:
sl@0: // Nokia Corporation - initial contribution.
sl@0: //
sl@0: // Contributors:
sl@0: //
sl@0: // Description:
sl@0: // * INCLUDE FILES:
sl@0: // 
sl@0: //
sl@0: 
sl@0: // Standard includes
sl@0: #include <e32std.h>
sl@0: #include <mmfbtswcodecwrapper.h>
sl@0: 
sl@0: #include <ecom/implementationproxy.h>
sl@0: #include "BtGsm610.h"
sl@0: #include "gsm610fr.h"
sl@0: #include <ecom/ecom.h>
sl@0: #include <e32def.h>
sl@0: #include <mmfbthwdeviceimplementationuids.hrh>
sl@0: #include "../../../MmfBtFileDependencyUtil.h"
sl@0: 
sl@0: /**
sl@0: *
sl@0: * NewL
sl@0: * @return CMmfGsm610ToPcm16HwDevice*
sl@0: *
sl@0: */
sl@0: CMmfGsm610ToPcm16HwDevice* CMmfGsm610ToPcm16HwDevice::NewL()
sl@0: 	{
sl@0: 	CMmfGsm610ToPcm16HwDevice* self=new(ELeave) CMmfGsm610ToPcm16HwDevice();
sl@0: 	CleanupStack::PushL(self);
sl@0: 	self->ConstructL();
sl@0: 	CleanupStack::Pop(self);
sl@0: 	return self;
sl@0: 	}
sl@0: 
sl@0: /**
sl@0: *
sl@0: * Codec
sl@0: *
sl@0: */
sl@0: CMMFSwCodec& CMmfGsm610ToPcm16HwDevice::Codec()
sl@0: 	{						  
sl@0: 	return *iCodec;
sl@0: 	}
sl@0: 
sl@0: /**
sl@0: *
sl@0: * CMmfGsm610ToPcm16HwDevice
sl@0: *
sl@0: */
sl@0: CMmfGsm610ToPcm16HwDevice::~CMmfGsm610ToPcm16HwDevice()
sl@0: 	{
sl@0: 	}
sl@0: 
sl@0: 
sl@0: /**
sl@0: *
sl@0: * ConstructL
sl@0: *
sl@0: */
sl@0: void CMmfGsm610ToPcm16HwDevice::ConstructL()
sl@0: 	{
sl@0: 	CMMFGsm610ToPcm16Codec* ptr= new(ELeave)CMMFGsm610ToPcm16Codec();
sl@0: 	CleanupStack::PushL(ptr); 
sl@0: 	ptr->ConstructL();
sl@0: 	iCodec = ptr;
sl@0: 	CleanupStack::Pop(ptr);
sl@0: 	}
sl@0: 
sl@0: /**
sl@0: *
sl@0: * CMmfPcm16ToGsm610HwDevice
sl@0: *
sl@0: */
sl@0: CMmfPcm16ToGsm610HwDevice* CMmfPcm16ToGsm610HwDevice::NewL()
sl@0: 	{
sl@0: 	CMmfPcm16ToGsm610HwDevice* self=new(ELeave) CMmfPcm16ToGsm610HwDevice();
sl@0: 	CleanupStack::PushL(self);
sl@0: 	self->ConstructL();
sl@0: 	CleanupStack::Pop(self);
sl@0: 	return self;
sl@0: 	}
sl@0: 
sl@0: /**
sl@0: *
sl@0: * Codec
sl@0: * @return CMMFSwCodec&
sl@0: *
sl@0: */
sl@0: CMMFSwCodec& CMmfPcm16ToGsm610HwDevice::Codec()
sl@0: 	{
sl@0: 	return *iCodec;
sl@0: 	}
sl@0: 
sl@0: /**
sl@0: *
sl@0: * ~CMmfPcm16ToGsm610HwDevice
sl@0: *
sl@0: */
sl@0: CMmfPcm16ToGsm610HwDevice::~CMmfPcm16ToGsm610HwDevice()
sl@0: 	{
sl@0: 	}
sl@0: 
sl@0: /**
sl@0: *
sl@0: * ConstructL
sl@0: *
sl@0: */
sl@0: void CMmfPcm16ToGsm610HwDevice::ConstructL()
sl@0: 	{
sl@0: 	CMMFPcm16ToGsm610Codec* ptr =new(ELeave) CMMFPcm16ToGsm610Codec();
sl@0: 	CleanupStack::PushL(ptr); 
sl@0: 	ptr->ConstructL();
sl@0: 	iCodec = ptr;
sl@0: 	CleanupStack::Pop(ptr);
sl@0: 	}
sl@0: 
sl@0: /**
sl@0: *
sl@0: * CMMFGsm610ToPcm16Codec
sl@0: *
sl@0: */
sl@0: CMMFGsm610ToPcm16Codec::CMMFGsm610ToPcm16Codec()
sl@0: 	{	
sl@0: 	}
sl@0: 
sl@0: /**
sl@0: *
sl@0: * ConstructL
sl@0: *
sl@0: */
sl@0: void CMMFGsm610ToPcm16Codec::ConstructL()
sl@0: 	{
sl@0:     iGsmDecoder = new (ELeave) CGSM610FR_Decoder;
sl@0: 	iGsmDecoder->ConstructL();
sl@0: 	iGsmDecoder->StartL();
sl@0: 	}
sl@0: 
sl@0: /**
sl@0: *
sl@0: * NewL
sl@0: *
sl@0: */
sl@0: CMMFGsm610ToPcm16Codec*  CMMFGsm610ToPcm16Codec::NewL()
sl@0: 	{
sl@0: 	CMMFGsm610ToPcm16Codec* self=new(ELeave) CMMFGsm610ToPcm16Codec();
sl@0: 	CleanupStack::PushL(self);
sl@0: 	self->ConstructL();
sl@0: 	CleanupStack::Pop(self);
sl@0: 	return self;
sl@0: 	}
sl@0: 
sl@0: /**
sl@0: *
sl@0: * ~CMMFGsm610ToPcm16Codec
sl@0: *
sl@0: */
sl@0: CMMFGsm610ToPcm16Codec::~CMMFGsm610ToPcm16Codec()
sl@0: 	{
sl@0: 	delete iGsmDecoder;
sl@0: 	}
sl@0: 
sl@0: /**
sl@0: *
sl@0: * ProcessL
sl@0: * @param aSource
sl@0: * @param aDest
sl@0: * @pre input buffer length is mod 65
sl@0: * @pre output buffer has sufficient space for coded input
sl@0: *
sl@0: */
sl@0: CMMFSwCodec::TCodecProcessResult CMMFGsm610ToPcm16Codec::ProcessL(const CMMFBuffer& aSrc, CMMFBuffer& aDest)
sl@0: 	{
sl@0: 	CMMFSwCodec::TCodecProcessResult result;
sl@0: 	result.iCodecProcessStatus =	result.iCodecProcessStatus = TCodecProcessResult::EProcessComplete;
sl@0: 
sl@0: 	//convert from generic CMMFBuffer to CMMFDataBuffer
sl@0: 	CMMFBuffer* pSrcBuffer =const_cast<CMMFBuffer*>(&aSrc);
sl@0: 	if( !pSrcBuffer )
sl@0: 		{
sl@0: 		User::Leave( KErrArgument );
sl@0: 		}
sl@0: 
sl@0: 	CMMFDataBuffer* src = static_cast<CMMFDataBuffer*>( pSrcBuffer );
sl@0:     if( !src )
sl@0: 		{
sl@0: 		User::Leave( KErrArgument );
sl@0: 		}
sl@0: 
sl@0: 	CMMFDataBuffer* dst = static_cast<CMMFDataBuffer*>(&aDest);
sl@0: 	if( !dst )
sl@0: 		{
sl@0: 		User::Leave( KErrArgument );
sl@0: 		}
sl@0: 
sl@0: 	if(!CheckInputBuffers( *src, *dst ))
sl@0: 		{
sl@0: 		User::Leave( KErrArgument );
sl@0: 		}
sl@0: 
sl@0: 	TInt numBuffersToProcess = NumBuffersToProcess( *src );
sl@0: 	TUint8* pSrc = CONST_CAST(TUint8*,src->Data().Ptr());
sl@0: 	TUint8* pDst = CONST_CAST(TUint8*,dst->Data().Ptr());
sl@0: 	
sl@0: 	for( TInt count = 0; count < numBuffersToProcess; count++ )
sl@0: 		{
sl@0: 		// Encode two frames of gsm data
sl@0: 		iGsmDecoder->ExecuteL( pSrc, pDst );
sl@0: 		pSrc                      += KGsmFrameSize;;
sl@0: 		pDst                      += KPcmDataForGsmFrame;
sl@0: 		result.iSrcBytesProcessed += KGsmFrameSize;
sl@0: 		result.iDstBytesAdded     += KPcmDataForGsmFrame;
sl@0: 		}
sl@0: 
sl@0:     dst->Data().SetLength( result.iDstBytesAdded );
sl@0: 	__ASSERT_DEBUG( ProcessPostCondition( result ), TMmfGsmCodecPanicsNameSpace::Panic( TMmfGsmCodecPanicsNameSpace::EPostConditionViolation ));
sl@0: 	return result;
sl@0: 	}
sl@0: 
sl@0: /**
sl@0: *
sl@0: * CheckInputBuffers
sl@0: * @param aSrc
sl@0: * @param aDest
sl@0: * @return TBool
sl@0: * This function returns ETrue if the preconditions of processL are met
sl@0: *
sl@0: */
sl@0: TBool CMMFGsm610ToPcm16Codec::CheckInputBuffers( CMMFDataBuffer& aSrc, CMMFDataBuffer& aDest )
sl@0: 	{
sl@0: 	TBool result = ETrue;    
sl@0:     TInt numInputSubFrames     = aSrc.Data().Length() / KGsmFrameSize;
sl@0: 	TInt numOutputSubFrames    = aDest.Data().MaxLength() / KPcmDataForGsmFrame;
sl@0: 	TBool validInputDataLength = (aSrc.Data().Length() % KGsmFrameSize == 0);
sl@0:     
sl@0: 	if( (numInputSubFrames > numOutputSubFrames) ||  // sufficient space in the output for the input
sl@0:         (aSrc.Position() > 0 )  ||                   // position must be zero since we can eat all the data
sl@0: 		(aDest.Position() > 0 ) ||
sl@0: 		(!validInputDataLength))                         //position must be zero
sl@0: 		{
sl@0: 		result = EFalse;
sl@0: 		}
sl@0: 
sl@0: 	return result;
sl@0: 	}
sl@0: 
sl@0: /**
sl@0: *
sl@0: * NumBuffersToProcess
sl@0: * @param aSrc
sl@0: * @return TBool
sl@0: * This method returns the number of buffers to process
sl@0: *
sl@0: */
sl@0: TInt CMMFGsm610ToPcm16Codec::NumBuffersToProcess( const CMMFDataBuffer& aSrc )
sl@0: 	{
sl@0:     TInt numBuffers = (aSrc.Data().Length() / KGsmFrameSize );
sl@0: 	return numBuffers;
sl@0: 	}
sl@0: 
sl@0: /**
sl@0: *
sl@0: * ProcessPostCondition
sl@0: * @param aResult
sl@0: * @return TBool Etrue if the post condition is satisfied
sl@0: *
sl@0: **/
sl@0: TBool CMMFGsm610ToPcm16Codec::ProcessPostCondition( const CMMFSwCodec::TCodecProcessResult& aResult )
sl@0: 	{
sl@0:      TBool status = ETrue;
sl@0: 	 if( (aResult.iSrcBytesProcessed / KGsmFrameSize ) != (aResult.iDstBytesAdded / KPcmDataForGsmFrame ) )
sl@0: 		 {
sl@0: 		 status = EFalse;
sl@0: 		 }
sl@0: 	 return status;
sl@0: 	}
sl@0: 
sl@0: /************************>----------------------------------<*****************************/
sl@0: 
sl@0: /**
sl@0: *
sl@0: * CMMFPcm16ToGsm610Codec
sl@0: *
sl@0: */
sl@0: CMMFPcm16ToGsm610Codec::CMMFPcm16ToGsm610Codec()
sl@0: 	{	
sl@0: 	}
sl@0: 
sl@0: /**
sl@0: *
sl@0: * ConstructL
sl@0: *
sl@0: */
sl@0: void CMMFPcm16ToGsm610Codec::ConstructL()
sl@0: 	{
sl@0: 	iGsmEncoder = new (ELeave) CGSM610FR_Encoder;
sl@0: 	iGsmEncoder->ConstructL();
sl@0: 	iGsmEncoder->StartL();
sl@0: 	}
sl@0: 
sl@0: /**
sl@0: *
sl@0: * NewL
sl@0: *
sl@0: */
sl@0: CMMFPcm16ToGsm610Codec* CMMFPcm16ToGsm610Codec::NewL()
sl@0: 	{
sl@0: 	CMMFPcm16ToGsm610Codec* self=new(ELeave) CMMFPcm16ToGsm610Codec();
sl@0: 	CleanupStack::PushL(self);
sl@0: 	self->ConstructL();
sl@0: 	CleanupStack::Pop(self);
sl@0: 	return self;
sl@0: 	}
sl@0: 
sl@0: /**
sl@0: *
sl@0: * CMMFPcm16ToGsm610Codec
sl@0: *
sl@0: */
sl@0: CMMFPcm16ToGsm610Codec::~CMMFPcm16ToGsm610Codec()
sl@0: 	{
sl@0: 	delete iGsmEncoder;
sl@0: 	}
sl@0: 
sl@0: /**
sl@0: *
sl@0: * ProcessL
sl@0: * @param aSource
sl@0: * @param aDest TCodecProcessResult
sl@0: * @return
sl@0: * @pre input buffer length is mod 320
sl@0: * @pre output buffer has sufficient space for coded input
sl@0: */
sl@0: CMMFSwCodec::TCodecProcessResult CMMFPcm16ToGsm610Codec::ProcessL(const CMMFBuffer& aSrc, CMMFBuffer& aDest)
sl@0: 	{
sl@0: 	CMMFSwCodec::TCodecProcessResult result;
sl@0: 	result.iCodecProcessStatus = 	result.iCodecProcessStatus = TCodecProcessResult::EProcessComplete;
sl@0: 
sl@0: 	//convert from generic CMMFBuffer to CMMFDataBuffer
sl@0: 	CMMFBuffer* pSrcBuffer =const_cast<CMMFBuffer*>(&aSrc);
sl@0: 	if( !pSrcBuffer )
sl@0: 		{
sl@0: 		User::Leave( KErrArgument );
sl@0: 		}
sl@0: 
sl@0: 	CMMFDataBuffer* src = static_cast<CMMFDataBuffer*>( pSrcBuffer );
sl@0:     if( !src )
sl@0: 		{
sl@0: 		User::Leave( KErrArgument );
sl@0: 		}
sl@0: 
sl@0: 	CMMFDataBuffer* dst = static_cast<CMMFDataBuffer*>(&aDest);
sl@0: 	if( !dst )
sl@0: 		{
sl@0: 		User::Leave( KErrArgument );
sl@0: 		}
sl@0: 
sl@0: 
sl@0: 	if(!CheckInputBuffers( *src, *dst ))
sl@0: 		{
sl@0: 		User::Leave( KErrArgument );
sl@0: 		}
sl@0: 
sl@0: 	TInt numBuffersToProcess = NumBuffersToProcess( *src );
sl@0: 	TUint8* pSrc = CONST_CAST(TUint8*,src->Data().Ptr());
sl@0: 	TUint8* pDst = CONST_CAST(TUint8*,dst->Data().Ptr());
sl@0: 	
sl@0: 	for( TInt count = 0; count < numBuffersToProcess; count++ )
sl@0: 		{
sl@0: 		// Encode two frames of gsm data
sl@0: 		iGsmEncoder->ExecuteL (pSrc, pDst);
sl@0: 		pSrc                      += KPcmDataForGsmFrame;
sl@0: 		pDst                      += KGsmFrameSize;
sl@0: 		result.iSrcBytesProcessed += KPcmDataForGsmFrame;
sl@0: 		result.iDstBytesAdded     += KGsmFrameSize;
sl@0: 		}
sl@0: 
sl@0:     dst->Data().SetLength( result.iDstBytesAdded ); 
sl@0: 
sl@0: 	__ASSERT_DEBUG( ProcessPostCondition(result), TMmfGsmCodecPanicsNameSpace::Panic( TMmfGsmCodecPanicsNameSpace::EPostConditionViolation ));
sl@0: 
sl@0:     return result ;
sl@0: 	}
sl@0: 
sl@0: /**
sl@0: *
sl@0: * CheckInputBuffers
sl@0: * @param aSrc
sl@0: * @param aDest
sl@0: * @return TBool
sl@0: * This function returns ETrue if there is sufficient space
sl@0: * in the output buffer for the coded input and
sl@0: * the position of both input buffers is zero
sl@0: *
sl@0: */
sl@0: TBool CMMFPcm16ToGsm610Codec::CheckInputBuffers( CMMFDataBuffer& aSrc, CMMFDataBuffer& aDest )
sl@0: 	{
sl@0: 	TBool result = ETrue;    
sl@0:     TInt numInputSubFrames     = aSrc.Data().Length() / KPcmDataForGsmFrame;
sl@0: 	TInt numOutputSubFrames    = aDest.Data().MaxLength() / KGsmFrameSize;
sl@0: 	TBool validInputDataLength = (aSrc.Data().Length() % KPcmDataForGsmFrame == 0);
sl@0:     
sl@0: 	if( (numInputSubFrames > numOutputSubFrames) ||  // sufficient space in the output for the input
sl@0:         (aSrc.Position() > 0 )  ||                   // position must be zero since we can eat all the data
sl@0: 		(aDest.Position() > 0 ) ||
sl@0: 		(!validInputDataLength))                         //position must be zero
sl@0: 		{
sl@0: 		result = EFalse;
sl@0: 		}
sl@0: 
sl@0: 	return result;
sl@0: 	}
sl@0: 
sl@0: /**
sl@0: *
sl@0: * NumBuffersToProcess
sl@0: * @param aSrc
sl@0: * @return TBool
sl@0: * This method returns the number of buffers to process
sl@0: *
sl@0: */
sl@0: TInt CMMFPcm16ToGsm610Codec::NumBuffersToProcess( const CMMFDataBuffer& aSrc )
sl@0: 	{
sl@0: 	TInt numBuffers = ( aSrc.Data().Length() / KPcmDataForGsmFrame );
sl@0: 	return numBuffers;
sl@0: 	}
sl@0: