sl@0: // Copyright (c) 2006-2009 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: //
sl@0: 
sl@0: 
sl@0: 
sl@0: #include "cdevtonecontrol.h"
sl@0: 
sl@0: #include <a3f/maudiocontext.h>
sl@0: #include <a3f/mbuffersource.h>
sl@0: #include <a3f/maudiocodec.h>
sl@0: #include <a3f/maudiogaincontrol.h>
sl@0: #include <a3f/audioprocessingunittypeuids.h>
sl@0: 
sl@0: 
sl@0: // ---------------------------------------------------------------------------
sl@0: // Default constructor
sl@0: // ---------------------------------------------------------------------------
sl@0: //
sl@0: CDevToneControl::CDevToneControl()
sl@0: 	{
sl@0: 	TRACE_CREATE();
sl@0: 	DP_CONTEXT(CDevToneControl::CDevToneControl *CD1*, CtxDevSound, DPLOCAL);
sl@0: 	DP_IN();
sl@0: 	DP_OUT();
sl@0: 	}
sl@0: 
sl@0: // -----------------------------------------------------------------------------
sl@0: // Symbian 2nd phase constructor
sl@0: // -----------------------------------------------------------------------------
sl@0: //
sl@0: void CDevToneControl::ConstructL(CDevAudio* aDevAudio, MDevSoundAdaptationObserver& aDevSoundObserver)
sl@0: 	{
sl@0: 	DP_CONTEXT(CDevToneControl::ConstructL *CD1*, CtxDevSound, DPLOCAL);
sl@0: 	DP_IN();
sl@0: 	CDevAudioControl::ConstructL(aDevAudio, aDevSoundObserver);
sl@0: 	DP_OUT();
sl@0: 	}
sl@0: 
sl@0: // -----------------------------------------------------------------------------
sl@0: // Symbian constructor
sl@0: // -----------------------------------------------------------------------------
sl@0: //
sl@0: CDevToneControl* CDevToneControl::NewL(CDevAudio* aDevAudio, MDevSoundAdaptationObserver& aDevSoundObserver)
sl@0: 	{
sl@0: 	DP_STATIC_CONTEXT(CDevToneControl::NewL *CD0*, CtxDevSound, DPLOCAL);
sl@0: 	DP_IN();
sl@0: 	CDevToneControl* self = new (ELeave) CDevToneControl();
sl@0: 	CleanupStack::PushL(self);
sl@0: 	self->ConstructL(aDevAudio, aDevSoundObserver);
sl@0: 	CleanupStack::Pop(self);
sl@0: 	DP0_RET(self, "0x%x");
sl@0: 	}
sl@0: 
sl@0: // ---------------------------------------------------------------------------
sl@0: // Destructor
sl@0: // ---------------------------------------------------------------------------
sl@0: //
sl@0: CDevToneControl::~CDevToneControl()
sl@0: 	{
sl@0: 	DP_CONTEXT(CDevToneControl::~CDevToneControl *CD1*, CtxDevSound, DPLOCAL);
sl@0: 	DP_IN();
sl@0: 	DP_OUT();
sl@0: 	}
sl@0: 
sl@0: // -----------------------------------------------------------------------------
sl@0: // CDevToneControl::Initialize
sl@0: // -----------------------------------------------------------------------------
sl@0: //
sl@0: TInt CDevToneControl::Initialize(TUid aFormat)
sl@0: 	{
sl@0: 	DP_CONTEXT(CDevToneControl::Initialize *CD1*, CtxDevSound, DPLOCAL);
sl@0: 	DP_IN();
sl@0: 	ASSERT(iDevAudio->iAudioSource && iDevAudio->iAudioCodec && iGainControl);
sl@0: 	TInt err(KErrNone);
sl@0: 	
sl@0: 	// Adding pUnits
sl@0: 	err = iDevAudio->iAudioStream->AddSource(iDevAudio->iAudioSource);
sl@0: 	if (err == KErrNone)
sl@0: 		{
sl@0: 		err = iDevAudio->iAudioStream->AddSink(iDevAudio->iAudioSink);
sl@0: 		if (err == KErrNone)
sl@0: 			{
sl@0: 			err = iDevAudio->iAudioStream->AddAudioCodec(iDevAudio->iAudioCodec);
sl@0: 			}
sl@0: 		}
sl@0: 
sl@0: 	// KErrAlreadyExist shouldn't occurr 
sl@0: 	// It's mandatory unregister any observer when no more events are required
sl@0: 	// Otherwise the notifications will be sent to all previously registered observer
sl@0: 	// when reinitialising for different mode
sl@0: 	err = iDevAudio->iAudioStream->RegisterAudioStreamObserver(*this);
sl@0: 	if (err != KErrNone)
sl@0: 		{
sl@0: 		DP0_RET(err, "Stream observer registeration failed, err = %d");
sl@0: 		}
sl@0: 	iGainControl->RegisterAudioGainControlObserver(*this);
sl@0: 	if (err != KErrNone)
sl@0: 		{
sl@0: 		DP0_RET(err, "Gaincontrol observer registeration failed, err = %d");
sl@0: 		}
sl@0: 
sl@0: 	err = CacheAudioCodecIf();
sl@0: 	if (err != KErrNone)
sl@0: 		{
sl@0: 		DP0_RET(err, "CacheAudioCodecIf() failed, err = %d");
sl@0: 		}
sl@0: 
sl@0: 	err = iAudioCodecIf->RegisterAudioCodecObserver(*this);
sl@0: 	if(err != KErrNone)
sl@0: 		{
sl@0: 		DP0_RET(err, "Registration failed, err = %d");
sl@0: 		}
sl@0: 
sl@0: 	__ASSERT_ALWAYS (iAudioCodecIf, CDevAudioControl::Panic(EAudioCodecIsNull));
sl@0: 	err = iAudioCodecIf->SetFormat(aFormat);
sl@0: 	if (err!=KErrNone)
sl@0: 		{
sl@0: 		DP0_RET(err, "SetFormat() failed, err = %d");
sl@0: 		}
sl@0: 			
sl@0: 	// Needed to get ProcessingUnitError notification 
sl@0: 	err = iDevAudio->iAudioCodec->RegisterProcessingUnitObserver(*this);
sl@0: 	if ((err != KErrAlreadyExists) && (err != KErrNone))
sl@0: 		{
sl@0: 		DP0_RET(err, "Audiocodec observer registeration failed, err = %d");
sl@0: 		}
sl@0: 
sl@0: 	// get correct BufferSource interface of DevAudio::iAudioSource
sl@0: 	TAny* interface = iDevAudio->iAudioSource->Interface(KUidMmfBufferSource);
sl@0: 	if (interface == NULL)
sl@0: 		{
sl@0: 		DP0_RET(KErrNotSupported, "Incorrect source type! %d");
sl@0: 		}
sl@0: 	else
sl@0: 		{
sl@0: 		iBufferSource = static_cast<MMMFBufferSource*>(interface);
sl@0: 		err = iBufferSource->SetDataSupplier(*this);
sl@0: 		if (err != KErrNone )
sl@0: 			{
sl@0: 			DP0_RET(err, "Data suplier setting failed, err = %d");
sl@0: 			}
sl@0: 		}
sl@0: 
sl@0: 	err = iDevAudio->iAudioStream->Initialize();
sl@0: 	if (err == KErrNone)
sl@0: 		{
sl@0: 		err = iDevAudio->CommitAudioContext();
sl@0: 		}
sl@0: 	if (err == KErrNone)
sl@0: 		{
sl@0: 		iDevAudio->iActiveState = EDevSoundAdaptorInitialising;
sl@0: 		}
sl@0: 
sl@0: 	DP0_RET(err,"%d");
sl@0: 	}
sl@0: 
sl@0: 
sl@0: // -----------------------------------------------------------------------------
sl@0: // CDevToneControl::ProcessInit
sl@0: // -----------------------------------------------------------------------------
sl@0: //
sl@0: TInt CDevToneControl::ProcessInit()
sl@0: 	{
sl@0: 	DP_CONTEXT(CDevToneControl::ProcessInit *CD1*, CtxDevSound, DPLOCAL);
sl@0: 	DP_IN();
sl@0: 	PRF(PRF_ID, PRF_START, PRF_TIME, AA_DS_PlayTone, "");
sl@0: 	TInt err(KErrNone);
sl@0: 
sl@0: 	DP1(DLINFO,"iActiveState = %d", iDevAudio->iActiveState);
sl@0: 	switch (iDevAudio->iActiveState)
sl@0: 		{
sl@0: 		case EDevSoundAdaptorInitialised_Initialised:
sl@0: 			{
sl@0: 			if (iDevAudio->IsPrioritySet())
sl@0: 				{
sl@0: 				TAudioTypeSettings priority;
sl@0: 				iDevAudio->GetPrioritySettings(priority);
sl@0: 				err = iDevAudio->iAudioStream->SetAudioType(priority);
sl@0: 				}
sl@0: 			if ( err == KErrNone)
sl@0: 				{
sl@0: 				err = iDevAudio->iAudioStream->Load();
sl@0: 				}
sl@0: 			if ( err == KErrNone)
sl@0: 				{
sl@0: 				err = iDevAudio->CommitAudioContext();
sl@0: 				}
sl@0: 			if(err == KErrNone)
sl@0: 				{
sl@0: 				iDevAudio->iActiveState = EDevSoundAdaptorLoading;
sl@0: 				}
sl@0: 			}
sl@0: 			break;
sl@0: 
sl@0: 		case EDevSoundAdaptorGoingActive:
sl@0: 			{
sl@0: 			//If following condition is false, then we are here because of a
sl@0: 			//pre-emption clash in last Commit cycle started from
sl@0: 			//CDevCommonControl::ContextEventUpdateWithStateEventNoError.
sl@0: 			if(iDevAudio->iPreviousState != EDevSoundAdaptorActivating)
sl@0: 				{
sl@0: 				break;
sl@0: 				}
sl@0: 			//Fall through as required
sl@0: 			}
sl@0: 		case EDevSoundAdaptorPaused_Primed:
sl@0: 		case EDevSoundAdaptorInitialised_Idle:
sl@0: 			{
sl@0: 			//If following condition is true, then we are here because of a
sl@0: 			//pre-emption clash in last Commit cycle started from
sl@0: 			//CDevCommonControl::ContextEventUpdateWithStateEventAndError.
sl@0: 			if(iDevAudio->iPreviousState == EDevSoundAdaptorUnloading)
sl@0: 				{
sl@0: 				err = Unload();
sl@0: 				break;
sl@0: 				}
sl@0: 			DP0(DLINFO, "Already in loaded state");
sl@0: 			err = iDevAudio->RequestGainAndBalance(this);
sl@0: 			if (err==KErrNone)
sl@0: 				{
sl@0: 				err = iDevAudio->iAudioStream->Activate();
sl@0: 				}
sl@0: 			if (err == KErrNone)
sl@0: 				{
sl@0: 				err = iDevAudio->CommitAudioContext();
sl@0: 				}
sl@0: 			if (err == KErrNone)
sl@0: 				{
sl@0: 				iDevAudio->iActiveState = EDevSoundAdaptorActivating;
sl@0: 				}
sl@0: 			break;
sl@0: 			}
sl@0: 		case EDevSoundAdaptorActive_Active:
sl@0: 		default:
sl@0: 			err = KErrNotReady;
sl@0: 			break;
sl@0: 		}
sl@0: 	DP0_RET(err,"%d");
sl@0: 	}
sl@0: 
sl@0: // -----------------------------------------------------------------------------
sl@0: // CDevToneControl::ProcessData
sl@0: // -----------------------------------------------------------------------------
sl@0: //
sl@0: void CDevToneControl::ProcessData()
sl@0: 	{
sl@0: 	DP_CONTEXT(CDevToneControl::ProcessData *CD1*, CtxDevSound, DPLOCAL);
sl@0: 	DP_IN();
sl@0: 	DP_OUT();
sl@0: 	}
sl@0: 
sl@0: // -----------------------------------------------------------------------------
sl@0: // From class MAudioDataSupplier
sl@0: // CDevToneControl::BufferToBeFilled
sl@0: // -----------------------------------------------------------------------------
sl@0: //
sl@0: void CDevToneControl::BufferToBeFilled(MMMFBufferSource* aSource, CMMFBuffer* aBuffer)
sl@0: 	{
sl@0: 	DP_CONTEXT(CDevToneControl::BufferToBeFilled *CD1*, CtxDevSound, DPLOCAL);
sl@0: 	DP_IN();
sl@0: 	__ASSERT_ALWAYS(iBufferSource==aSource, CDevAudioControl::Panic(EBufferMismatch));
sl@0: 	TInt err = KErrNone;
sl@0: 	
sl@0: 	CMMFDataBuffer* myBuffer = static_cast<CMMFDataBuffer*> (aBuffer);
sl@0: 	Mem::Copy((TAny*)(myBuffer->Data().Ptr()), (TAny*)(&iToneData), sizeof(TToneData) );
sl@0: 	
sl@0: 	myBuffer->SetLastBuffer(ETrue);
sl@0: 	
sl@0: 	err = iBufferSource->BufferFilled(myBuffer); 
sl@0: 	if ( err != KErrNone)
sl@0: 		{
sl@0: 		iErrorCondition = err;
sl@0: 		Stop();
sl@0: 		}
sl@0: 
sl@0: 	DP_OUT();
sl@0: 	}
sl@0: 
sl@0: // -----------------------------------------------------------------------------
sl@0: // From class MAudioDataSupplier
sl@0: // CDevToneControl::DiscardBuffers
sl@0: // -----------------------------------------------------------------------------
sl@0: //
sl@0: void CDevToneControl::DiscardBuffers(MMMFBufferSource* /*aSource*/)
sl@0: 	{
sl@0: 	DP_CONTEXT(CDevToneControl::DiscardBuffers *CD1*, CtxDevSound, DPLOCAL);
sl@0: 	DP_IN();
sl@0: 	DP_OUT();
sl@0: 	}
sl@0: 
sl@0: // -----------------------------------------------------------------------------
sl@0: // CDevToneControl::ProcessingFinished
sl@0: // -----------------------------------------------------------------------------
sl@0: //
sl@0: void CDevToneControl::ProcessingFinished(MAudioStream& /*aStream*/)
sl@0: 	{
sl@0: 	DP_CONTEXT(CDevToneControl::ProcessingFinished *CD1*, CtxDevSound, DPLOCAL);
sl@0: 	DP_IN();
sl@0: 	PRF(PRF_ID, PRF_STOP, PRF_TIME, AA_DS_PlayTone, "");
sl@0: 	
sl@0: 	if(iCallbackFromAdaptor == KCallbackNone)
sl@0: 		{
sl@0: 		iCallbackFromAdaptor = KCallbackProcessingFinished;
sl@0: 		iAdaptationObserver->CallbackFromAdaptorReceived(KCallbackProcessingFinished, KErrNone);
sl@0: 		}
sl@0: 	else
sl@0: 		{
sl@0: 		// Multiple callbacks from adaptor
sl@0: 		DP0(DLERR, "Multiple callbacks from adaptor");
sl@0: 		}
sl@0: 	DP_OUT();
sl@0: 	}
sl@0: 
sl@0: // -----------------------------------------------------------------------------
sl@0: // CDevToneControl::SetToneData
sl@0: // -----------------------------------------------------------------------------
sl@0: //
sl@0: TInt CDevToneControl::SetToneData(TToneData& aToneData)
sl@0: 	{
sl@0: 	DP_CONTEXT(CDevToneControl::SetToneData *CD1*, CtxDevSound, DPLOCAL);
sl@0: 	DP_IN();
sl@0: 
sl@0: 	iToneData = aToneData;
sl@0: 
sl@0: 	DP0_RET(KErrNone, "%d");
sl@0: 	}
sl@0: 
sl@0: 
sl@0: // -----------------------------------------------------------------------------
sl@0: // CDevToneControl::FinishWithError
sl@0: // -----------------------------------------------------------------------------
sl@0: //
sl@0: void CDevToneControl::FinishWithError(TInt aError) // from CDevCommonControl
sl@0:     {
sl@0:     iAdaptationObserver->ToneFinished(aError);
sl@0:     }
sl@0: 
sl@0: 
sl@0: // -----------------------------------------------------------------------------
sl@0: // CDevPlayControl::ProcessingFinishedReceived
sl@0: // -----------------------------------------------------------------------------
sl@0: //
sl@0: TInt CDevToneControl::ProcessingFinishedReceived(TBool& asyncOperation)
sl@0: 	{
sl@0: 	DP_CONTEXT(CDevToneControl::ProcessingFinishedReceived *CD1*, CtxDevSound, DPLOCAL);
sl@0: 	DP_IN();
sl@0: 	asyncOperation = EFalse;
sl@0: 	TInt err = iDevAudio->iAudioStream->Stop();
sl@0: 	if ( err == KErrNone)
sl@0: 		{
sl@0: 		err = iDevAudio->CommitAudioContext();
sl@0: 		if(err == KErrNone)
sl@0: 			{
sl@0: 			iDevAudio->iActiveState = EDevSoundAdaptorStopping;
sl@0: 			asyncOperation = ETrue;
sl@0: 			}
sl@0: 		}
sl@0: 	// Something was wrong, clear the flag.
sl@0: 	if (err != KErrNone)
sl@0: 		{
sl@0: 		iCallbackFromAdaptor = KCallbackNone;
sl@0: 		}
sl@0: 	DP0_RET(err,"%d");
sl@0: 	}
sl@0: 
sl@0: // ---------------------------------------------------------------------------
sl@0: // CDevToneControl::ProcessingError
sl@0: // ---------------------------------------------------------------------------
sl@0: TInt CDevToneControl::ProcessingError(TBool& aAyncOperation)
sl@0:     {
sl@0:     TInt err = ProcessingFinishedReceived(aAyncOperation);
sl@0:     return err;
sl@0:     }
sl@0: // End of file