1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/os/mm/mmlibs/mmfw/tsrc/mmfunittest/ctlfrm/mp3/MmfMP3NullCodec/mmfmp3Codec.cpp	Fri Jun 15 03:10:57 2012 +0200
     1.3 @@ -0,0 +1,118 @@
     1.4 +// Copyright (c) 2003-2009 Nokia Corporation and/or its subsidiary(-ies).
     1.5 +// All rights reserved.
     1.6 +// This component and the accompanying materials are made available
     1.7 +// under the terms of "Eclipse Public License v1.0"
     1.8 +// which accompanies this distribution, and is available
     1.9 +// at the URL "http://www.eclipse.org/legal/epl-v10.html".
    1.10 +//
    1.11 +// Initial Contributors:
    1.12 +// Nokia Corporation - initial contribution.
    1.13 +//
    1.14 +// Contributors:
    1.15 +//
    1.16 +// Description:
    1.17 +// This is a test codec which takes MP3 data & gives it back to the datapath
    1.18 +// pretending it has converted it to PCM16 data thus producing lots of noise
    1.19 +// 
    1.20 +//
    1.21 +
    1.22 +#include <e32std.h>
    1.23 +
    1.24 +#include <mmf/plugin/mmfcodecimplementationuids.hrh>
    1.25 +#include <ecom/implementationproxy.h>
    1.26 +
    1.27 +#include "MP3Uids.hrh"
    1.28 +
    1.29 +#include "mmfmp3Codec.h"
    1.30 +
    1.31 +//*******************************************************************
    1.32 +//*  MP3 Codec to 16 bit PCM Class:
    1.33 +//*******************************************************************
    1.34 +
    1.35 +// __________________________________________________________________________
    1.36 +// Implementation
    1.37 +
    1.38 +CMMFCodec* CMMFMP3To16PcmCodec::NewL(TAny* aInitParams)
    1.39 +	{
    1.40 +	CMMFMP3To16PcmCodec* self=new(ELeave) CMMFMP3To16PcmCodec();
    1.41 +	CleanupStack::PushL(self);
    1.42 +	self->ConstructL(aInitParams);
    1.43 +	CleanupStack::Pop(self);
    1.44 +	return STATIC_CAST( CMMFCodec*, self );
    1.45 +	}
    1.46 +
    1.47 +CMMFMP3To16PcmCodec::~CMMFMP3To16PcmCodec()
    1.48 +	{
    1.49 +	}
    1.50 +
    1.51 +CMMFMP3To16PcmCodec::CMMFMP3To16PcmCodec()
    1.52 +	{
    1.53 +
    1.54 +	}
    1.55 +
    1.56 +void CMMFMP3To16PcmCodec::ConstructL(TAny* /*aInitParams*/)
    1.57 +	{
    1.58 +	
    1.59 +	}
    1.60 +
    1.61 +void CMMFMP3To16PcmCodec::ResetL()
    1.62 +	{
    1.63 +	}
    1.64 +
    1.65 +
    1.66 +TCodecProcessResult CMMFMP3To16PcmCodec::ProcessL(const CMMFBuffer& aSrc, CMMFBuffer& aDst)
    1.67 +	{
    1.68 +
    1.69 +	TCodecProcessResult result;
    1.70 +	result.iStatus = TCodecProcessResult::EProcessIncomplete; // dest full
    1.71 +	result.iSrcBytesProcessed = 0;
    1.72 +	result.iDstBytesAdded = 0;
    1.73 +
    1.74 +	// convert from generic CMMFBuffer to CMMFDataBuffer
    1.75 +	const CMMFDataBuffer* src = STATIC_CAST(const CMMFDataBuffer*, &aSrc);
    1.76 +	CMMFDataBuffer* dst = STATIC_CAST(CMMFDataBuffer*, &aDst);
    1.77 +
    1.78 +	TUint srcLen = src->Data().Length() - src->Position();
    1.79 +	TUint dstMaxLen = dst->Data().MaxLength() - dst->Position();
    1.80 +	TUint dstLen = dstMaxLen;
    1.81 +	
    1.82 +	dst->Data().SetLength(0);
    1.83 +
    1.84 +	if (srcLen == 0)
    1.85 +		{
    1.86 +		result.iStatus = TCodecProcessResult::EDstNotFilled;	// get some more source data
    1.87 +		}
    1.88 +	else
    1.89 +		{
    1.90 +		TPtrC8 srcPtrC(src->Data().Ptr(), dstLen);
    1.91 +
    1.92 +		dst->Data() = srcPtrC;
    1.93 +		
    1.94 +		result.iSrcBytesProcessed = srcLen;
    1.95 +		result.iDstBytesAdded = dst->Data().Length();
    1.96 +		result.iStatus = TCodecProcessResult::EProcessIncomplete; // dest full
    1.97 +		}
    1.98 +
    1.99 +	return result;
   1.100 +	}
   1.101 +
   1.102 +
   1.103 +// __________________________________________________________________________
   1.104 +// Exported proxy for instantiation method resolution
   1.105 +// Define the interface UIDs
   1.106 +
   1.107 +
   1.108 +const TImplementationProxy ImplementationTable[] = 
   1.109 +	{
   1.110 +		IMPLEMENTATION_PROXY_ENTRY(KUidMP3ImplementationCodec,	CMMFMP3To16PcmCodec::NewL)
   1.111 +	};
   1.112 +
   1.113 +
   1.114 +
   1.115 +EXPORT_C const TImplementationProxy* ImplementationGroupProxy(TInt& aTableCount)
   1.116 +	{
   1.117 +	aTableCount = sizeof(ImplementationTable) / sizeof(TImplementationProxy);
   1.118 +
   1.119 +	return ImplementationTable;
   1.120 +	}
   1.121 +