--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mmhais/a3facl/src/audiocodec/logicalaudiocodec.cpp	Tue Feb 02 01:56:55 2010 +0200
@@ -0,0 +1,307 @@
+// Copyright (c) 2007-2009 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 "logicalaudiocodec.h"
+#include <a3f/audioprocessingunittypeuids.h>
+
+#include <ecom/implementationproxy.h> // For making it ECom plugin
+// Map the interface implementation UIDs to implementation factory functions
+const TImplementationProxy ImplementationTable[] =
+	{
+	IMPLEMENTATION_PROXY_ENTRY(KAudioDecoderUid,  CLogicalAudioCodec::NewL),
+	IMPLEMENTATION_PROXY_ENTRY(KAudioEncoderUid,  CLogicalAudioCodec::NewL),
+	};
+
+// Exported proxy for instantiation method resolution.
+EXPORT_C const TImplementationProxy* ImplementationGroupProxy(TInt& aTableCount)
+	{
+	aTableCount = sizeof(ImplementationTable) / sizeof(TImplementationProxy);
+	return ImplementationTable;
+	}
+
+// ---------------------------------------------------------------------------
+// Constructor
+// ---------------------------------------------------------------------------
+CLogicalAudioCodec* CLogicalAudioCodec::NewL(TAny* aParam)
+	{
+	DP_STATIC_CONTEXT(CLogicalAudioCodec::NewL *CD0*, CtxDevSound, DPLOCAL);
+	DP_IN();
+	CLogicalAudioCodec* self = new(ELeave)CLogicalAudioCodec(aParam);
+	CleanupStack::PushL(self);
+	self->ConstructL();
+	CleanupStack::Pop(self);
+	DP0_RET(self, "0x%x");
+	}
+
+// ---------------------------------------------------------------------------
+// Constructor
+// ---------------------------------------------------------------------------
+
+CLogicalAudioCodec::CLogicalAudioCodec(TAny* aParam) : CAudioProcessingUnit(aParam)
+	{
+	TRACE_CREATE();
+	DP_CONTEXT(CLogicalAudioCodec::CLogicalAudioCodec *CD1*, CtxDevSound, DPLOCAL);
+	DP_IN();
+	if(iSettingsObserver)
+		{
+		iSettingsObserver->ReceiveComponentSettingsChange(iType, ERegisterCodecObserver);
+		}
+	DP_OUT();
+	}
+
+// ---------------------------------------------------------------------------
+// Second phase constructor
+// ---------------------------------------------------------------------------
+void CLogicalAudioCodec::ConstructL()
+	{
+	DP_CONTEXT(CLogicalAudioCodec::ConstructL *CD1*, CtxDevSound, DPLOCAL);
+	DP_IN();
+	DP_OUT();
+	}
+
+// ---------------------------------------------------------------------------
+// Destructor
+// ---------------------------------------------------------------------------
+CLogicalAudioCodec::~CLogicalAudioCodec()
+	{
+	DP_CONTEXT(CLogicalAudioCodec::~CLogicalAudioCodec *CD1*, CtxDevSound, DPLOCAL);
+	DP_IN();
+	iAudioCodecObserver.Close();
+	DP_OUT();
+	}
+
+// ---------------------------------------------------------------------------
+// from class MAudioCodec
+// CLogicalAudioCodec::SetFormat
+// ---------------------------------------------------------------------------
+TInt CLogicalAudioCodec::SetFormat(TUid aFormat)
+	{
+	DP_CONTEXT(CLogicalAudioCodec::SetFormat *CD1*, CtxDevSound, DPLOCAL);
+	DP_IN();
+	iFormat = aFormat;
+	if(iSettingsObserver)
+		{
+		iSettingsObserver->ReceiveComponentSettingsChange(iType, EComponentAlterationCodec);
+		}
+	DP0_RET(KErrNone, "%d");
+	}
+
+// ---------------------------------------------------------------------------
+// from class MAudioCodec
+// CLogicalAudioCodec::SetSampleRate
+// ---------------------------------------------------------------------------
+TInt CLogicalAudioCodec::SetSampleRate(TInt aSampleRate)
+	{
+	DP_CONTEXT(CLogicalAudioCodec::SetSampleRate *CD1*, CtxDevSound, DPLOCAL);
+	DP_IN();
+	iSampleRateConfig = aSampleRate;
+	if(iSettingsObserver)
+		{
+		iSettingsObserver->ReceiveComponentSettingsChange(iType, EComponentAlterationCodec);
+		}
+	DP0_RET(KErrNone, "%d");
+	}
+
+// ---------------------------------------------------------------------------
+// from class MAudioCodec
+// CLogicalAudioCodec::SetMode
+// ---------------------------------------------------------------------------
+TInt CLogicalAudioCodec::SetMode(TUid aMode)
+	{
+	DP_CONTEXT(CLogicalAudioCodec::SetMode *CD1*, CtxDevSound, DPLOCAL);
+	DP_IN();
+	iModeConfig = aMode;
+	if(iSettingsObserver)
+		{
+		iSettingsObserver->ReceiveComponentSettingsChange(iType, EComponentAlterationCodec);
+		}
+	DP0_RET(KErrNone, "%d");
+	}
+
+// ---------------------------------------------------------------------------
+// from class MAudioCodec
+// CLogicalAudioCodec::GetSupportedSamplesRates
+// ---------------------------------------------------------------------------
+TInt CLogicalAudioCodec::GetSupportedSamplesRates(RArray<TInt>& aSupportedRates)
+	{
+	DP_CONTEXT(CLogicalAudioCodec::GetSupportedSamplesRates *CD1*, CtxDevSound, DPLOCAL);
+	DP_IN();
+	TInt err(KErrNone);
+	if(iAdaptationStream)
+		{
+		err = iAdaptationStream->GetSupportedSampleRates(aSupportedRates);
+		}
+	else
+		{
+		err = KErrNotFound;
+		}
+	DP0_RET(err, "%d");
+	}
+
+// ---------------------------------------------------------------------------
+// from class MAudioCodec
+// CLogicalAudioCodec::GetSupportedMode
+// ---------------------------------------------------------------------------
+TInt CLogicalAudioCodec::GetSupportedModes(RArray<TUid>& aSupportedModes)
+	{
+	DP_CONTEXT(CLogicalAudioCodec::GetSupportedModes *CD1*, CtxDevSound, DPLOCAL);
+	DP_IN();
+	TInt err(KErrNone);
+	if(iAdaptationStream)
+		{
+		err = iAdaptationStream->GetSupportedModes(aSupportedModes);
+		}
+	else
+		{
+		err = KErrNotFound;
+		}
+	DP0_RET(err, "%d");
+	}
+// ---------------------------------------------------------------------------
+// from class MAudioProcessingUnit
+// CLogicalAudioCodec::IsTypeOf
+// ---------------------------------------------------------------------------
+TBool CLogicalAudioCodec::IsTypeOf(TUid aTypeId) const
+	{
+	DP_CONTEXT(CLogicalAudioCodec::IsTypeOf *CD1*, CtxDevSound, DPLOCAL);
+	DP_IN();
+	TBool result = EFalse;
+	if ( iType == aTypeId || aTypeId == KUidAudioCodec)
+		{
+		result = ETrue;
+		}
+	DP0_RET(result, "%d");
+	}
+
+// ---------------------------------------------------------------------------
+// from class MAudioProcessingUnit
+// CLogicalAudioCodec::Interface
+// ---------------------------------------------------------------------------
+//
+TAny* CLogicalAudioCodec::Interface(TUid aType)
+	{
+	DP_CONTEXT(CLogicalAudioCodec::Interface *CD1*, CtxDevSound, DPLOCAL);
+	DP_IN();
+	
+	TAny* interface = NULL;
+	if (aType == KUidAudioCodec)
+		{
+		interface = static_cast<MAudioCodec*>(this);
+		}
+	else if (aType == KUidAudioCodecAdaptationObserver)
+		{
+		interface = static_cast<MAudioCodecAdaptationObserver*>(this);
+		}
+	DP0_RET(interface, "0x%08x");
+	}
+
+// ---------------------------------------------------------------------------
+// from class MAudioCodecAdaptationObserver
+// CLogicalAudioCodec::AllBuffersProcessed
+// ---------------------------------------------------------------------------
+void CLogicalAudioCodec::AllBuffersProcessed()
+	{
+	DP_CONTEXT(CLogicalAudioCodec::AllBuffersProcessed *CD1*, CtxDevSound, DPLOCAL);
+	DP_IN();
+	DP_OUT();
+	}
+
+// ---------------------------------------------------------------------------
+// from class MAudioCodecAdaptationObserver
+// CLogicalAudioCodec::GetSupportedConfigurationComplete
+// ---------------------------------------------------------------------------
+void CLogicalAudioCodec::GetSupportedAModesComplete(TInt aError)
+	{
+	DP_CONTEXT(CLogicalAudioCodec::GetSupportedModesComplete *CD1*, CtxDevSound, DPLOCAL);
+	DP_IN();
+	TUint count = iAudioCodecObserver.Count();
+	for ( TUint idx(0); idx < count; idx++ )
+		{
+		iAudioCodecObserver[idx]->GetSupportedModesComplete(aError);
+		}
+	DP_OUT();
+	}
+	
+// ---------------------------------------------------------------------------
+// from class MAudioCodecAdaptationObserver
+// CLogicalAudioCodec::GetSupportedConfigurationComplete
+// ---------------------------------------------------------------------------
+void CLogicalAudioCodec::GetSupportedARatesComplete(TInt aError)
+	{
+	DP_CONTEXT(CLogicalAudioCodec::GetSupportedRatesComplete *CD1*, CtxDevSound, DPLOCAL);
+	DP_IN();
+	TUint count = iAudioCodecObserver.Count();
+	for ( TUint idx(0); idx < count; idx++ )
+		{
+		iAudioCodecObserver[idx]->GetSupportedSampleRatesComplete(aError);
+		}
+	DP_OUT();
+	}
+
+// ---------------------------------------------------------------------------
+// from class MAudioCodecAdaptationObserver
+// CLogicalAudioCodec::ProcessingUnitError
+// ---------------------------------------------------------------------------
+void CLogicalAudioCodec::ProcessingUnitError(TInt aError)
+	{
+	DP_CONTEXT(CLogicalAudioCodec::ProcessingUnitError *CD1*, CtxDevSound, DPLOCAL);
+	DP_IN();
+
+	TUint count = iAudioProcessingUnitObservers.Count();
+	MAudioProcessingUnit* pUnit = static_cast<MAudioProcessingUnit*>(this);
+	for(TUint index=0; index < count; index++)
+		{
+		iAudioProcessingUnitObservers[index]->ProcessingUnitError(pUnit, aError);
+		}
+	DP_OUT();
+	}
+
+// ---------------------------------------------------------------------------
+// CLogicalAudioCodec::RegisterAudioCodecObserver
+// ---------------------------------------------------------------------------
+TInt CLogicalAudioCodec::RegisterAudioCodecObserver(MAudioCodecObserver& aObserver)
+	{
+	DP_CONTEXT(CLogicalAudioCodec::RegisterAudioCodecObserver *CD1*, CtxDevSound, DPLOCAL);
+	DP_IN();
+	TInt err = iAudioCodecObserver.Find(&aObserver);
+	if(err == KErrNotFound)
+		{
+		err = iAudioCodecObserver.Append(&aObserver);
+		}
+	else
+		{
+		err = KErrAlreadyExists;
+		}
+	DP0_RET(err, "%d");
+	}
+
+// ---------------------------------------------------------------------------
+// CLogicalAudioCodec::UnregisterAudioCodecObserver
+// ---------------------------------------------------------------------------
+void CLogicalAudioCodec::UnregisterAudioCodecObserver(MAudioCodecObserver& aObserver)
+	{
+	DP_CONTEXT(CLogicalAudioCodec::UnregisterAudioCodecObserver *CD1*, CtxDevSound, DPLOCAL);
+	DP_IN();
+	TInt idxOrErr = iAudioCodecObserver.Find(&aObserver);
+	if( idxOrErr != KErrNotFound )
+		{
+		iAudioCodecObserver.Remove(idxOrErr);
+		}
+	DP_OUT();
+	}
+
+// End of file