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// Copyright (c) 2006-2009 Nokia Corporation and/or its subsidiary(-ies).
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// All rights reserved.
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// This component and the accompanying materials are made available
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// under the terms of "Eclipse Public License v1.0"
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// which accompanies this distribution, and is available
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// at the URL "http://www.eclipse.org/legal/epl-v10.html".
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//
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// Initial Contributors:
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// Nokia Corporation - initial contribution.
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//
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// Contributors:
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//
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// Description:
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//
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#include "cdevplaycontrol.h"
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#include <a3f/maudiocontext.h>
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#include <a3f/mbuffersource.h>
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#include <a3f/maudiocodec.h>
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#include <a3f/maudiogaincontrol.h>
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#include <a3f/audioprocessingunittypeuids.h>
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// ---------------------------------------------------------------------------
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// Default constructor
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// ---------------------------------------------------------------------------
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//
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CDevPlayControl::CDevPlayControl()
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{
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TRACE_CREATE();
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DP_CONTEXT(CDevPlayControl::CDevPlayControl *CD1*, CtxDevSound, DPLOCAL);
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DP_IN();
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DP_OUT();
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}
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// -----------------------------------------------------------------------------
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// Symbian 2nd phase constructor
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// -----------------------------------------------------------------------------
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//
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void CDevPlayControl::ConstructL(CDevAudio* aDevAudio, MDevSoundAdaptationObserver& aAdaptationObserver)
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{
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DP_CONTEXT(CDevPlayControl::ConstructL *CD1*, CtxDevSound, DPLOCAL);
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DP_IN();
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CDevAudioControl::ConstructL(aDevAudio, aAdaptationObserver);
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DP_OUT();
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}
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// -----------------------------------------------------------------------------
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// Symbian constructor
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// -----------------------------------------------------------------------------
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//
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CDevPlayControl* CDevPlayControl::NewL(CDevAudio* aDevAudio, MDevSoundAdaptationObserver& aDevSoundObserver)
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{
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DP_STATIC_CONTEXT(CDevPlayControl::NewL *CD0*, CtxDevSound, DPLOCAL);
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DP_IN();
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CDevPlayControl* self = new (ELeave) CDevPlayControl();
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CleanupStack::PushL(self);
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self->ConstructL(aDevAudio, aDevSoundObserver);
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CleanupStack::Pop(self);
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DP0_RET(self, "0x%x");
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}
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// ---------------------------------------------------------------------------
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// Destructor
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// ---------------------------------------------------------------------------
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//
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CDevPlayControl::~CDevPlayControl()
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{
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DP_CONTEXT(CDevPlayControl::~CDevPlayControl *CD1*, CtxDevSound, DPLOCAL);
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DP_IN();
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DP_OUT();
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}
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// -----------------------------------------------------------------------------
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// CDevPlayControl::Initialize
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// -----------------------------------------------------------------------------
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//
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TInt CDevPlayControl::Initialize(TUid aFormat)
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{
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DP_CONTEXT(CDevPlayControl::Initialize *CD1*, CtxDevSound, DPLOCAL);
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DP_IN();
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ASSERT(iDevAudio->iAudioSource && iDevAudio->iAudioCodec && iGainControl);
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TInt err(KErrNone);
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err = iDevAudio->iAudioStream->AddSource(iDevAudio->iAudioSource);
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if (err == KErrNone)
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{
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err = iDevAudio->iAudioStream->AddSink(iDevAudio->iAudioSink);
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if (err == KErrNone)
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{
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err = iDevAudio->iAudioStream->AddAudioCodec(iDevAudio->iAudioCodec);
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}
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}
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if(err == KErrNone && iDevAudio->iActiveState == EDevSoundAdaptorCreated_Uninitialised)
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{
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// Register for notifications
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// Note KErrAlreadyExist is not acceptable as an error, since it shouldn't occurr
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// It's mandatory unregister any observer when no more events are required
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// Otherwise the notifications will be sent to all previously registered observer
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// when reinitialising for different mode
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err = iDevAudio->iAudioStream->RegisterAudioStreamObserver(*this);
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if (err == KErrNone)
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{
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err = iGainControl->RegisterAudioGainControlObserver(*this);
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if (err == KErrNone)
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{
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err = CacheAudioCodecIf();
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if (err == KErrNone)
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{
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__ASSERT_ALWAYS (iAudioCodecIf,CDevAudioControl::Panic(EAudioCodecIsNull));
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err = iAudioCodecIf->RegisterAudioCodecObserver(*this);
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if(err == KErrNone)
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{
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err = iAudioCodecIf->SetFormat(aFormat);
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if (err == KErrNone)
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{
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// Needed to get ProcessingUnitError notification
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err = iDevAudio->iAudioCodec->RegisterProcessingUnitObserver(*this);
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}
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}
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}
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}
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}
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if (err != KErrNone)
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{
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DP0(DLINFO,"Error while registering observers");
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iDevAudio->iAudioStream->UnregisterAudioStreamObserver(*this);
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iGainControl->UnregisterAudioGainControlObserver(*this);
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if(iAudioCodecIf)
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{
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iAudioCodecIf->UnregisterAudioCodecObserver(*this);
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iAudioCodecIf = NULL; // Not owned here: convenience pointer, so no need to delete
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}
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}
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if (err == KErrNone)
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{
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err = iDevAudio->iAudioStream->Initialize();
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if (err == KErrNone)
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{
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err = iDevAudio->CommitAudioContext();
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if (err == KErrNone)
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{
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iDevAudio->iActiveState = EDevSoundAdaptorInitialising;
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}
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}
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}
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}
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DP0_RET(err,"%d");
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}
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// -----------------------------------------------------------------------------
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// CDevPlayControl::ProcessInit
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// -----------------------------------------------------------------------------
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//
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TInt CDevPlayControl::ProcessInit()
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{
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DP_CONTEXT(CDevPlayControl::ProcessInit *CD1*, CtxDevSound, DPLOCAL);
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DP_IN();
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PRF(PRF_ID, PRF_START, PRF_TIME, AA_DS_PlayInit, "");
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PRF(PRF_ID, PRF_START, PRF_LOAD, AA_DS_Play, "");
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TInt err(KErrNone);
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switch (iDevAudio->iActiveState)
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{
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case EDevSoundAdaptorInitialised_Initialised:
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{
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TAny* interface(NULL);
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// get correct BufferSource interface of DevAudio::iAudioSource
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interface = iDevAudio->iAudioSource->Interface(KUidMmfBufferSource);
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if (interface == NULL)
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{
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DP0_RET(KErrNotSupported, "Incorrect source type! %d");
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}
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else
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{
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iBufferSource = static_cast<MMMFBufferSource*>(interface);
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iBufferSource->SetDataSupplier(*this);
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if (iDevAudio->IsPrioritySet())
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{
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TAudioTypeSettings priority;
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iDevAudio->GetPrioritySettings(priority);
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err = iDevAudio->iAudioStream->SetAudioType(priority);
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}
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}
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if ( err == KErrNone)
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{
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err = iDevAudio->iAudioStream->Load();
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}
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if ( err == KErrNone)
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{
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err = iDevAudio->CommitAudioContext();
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}
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if(err == KErrNone)
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{
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iDevAudio->iActiveState = EDevSoundAdaptorLoading;
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}
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}
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break;
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case EDevSoundAdaptorGoingActive:
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{
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//If following condition is false, then we are here because of a
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//pre-emption clash in last Commit cycle started from
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//CDevCommonControl::ContextEventUpdateWithStateEventNoError.
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if(iDevAudio->iPreviousState != EDevSoundAdaptorActivating)
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{
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break;
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}
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//Fall through as required
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}
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case EDevSoundAdaptorPaused_Primed:
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case EDevSoundAdaptorInitialised_Idle:
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{
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//If following condition is true, then we are here because of a
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//pre-emption clash in last Commit cycle started from
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//CDevCommonControl::ContextEventUpdateWithStateEventAndError.
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if(iDevAudio->iPreviousState == EDevSoundAdaptorUnloading)
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{
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err = Unload();
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break;
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}
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err = iDevAudio->RequestGainAndBalance(this);
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if (err==KErrNone)
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{
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err = iDevAudio->iAudioStream->Activate();
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}
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if (err == KErrNone)
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{
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err = iDevAudio->CommitAudioContext();
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}
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if (err == KErrNone)
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{
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iDevAudio->iActiveState = EDevSoundAdaptorActivating;
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}
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break;
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}
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case EDevSoundAdaptorActive_Active:
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// Deliberate fall through - set err=KErrNotReady for PlayInit when already active
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default:
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err = KErrNotReady;
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break;
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}
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if(err == KErrNone)
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{
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iDevAudio->iStop = EFalse;
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}
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DP0_RET(err,"%d");
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}
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// -----------------------------------------------------------------------------
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// CDevPlayControl::ProcessData
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// -----------------------------------------------------------------------------
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//
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void CDevPlayControl::ProcessData()
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{
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DP_CONTEXT(CDevPlayControl::ProcessData *CD1*, CtxDevSound, DPLOCAL);
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DP_IN();
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TInt err(KErrNone);
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if(!iDevAudio->iStop)
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{
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err = iBufferSource->BufferFilled(iBuffer);
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if ( err != KErrNone)
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{
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iErrorCondition = err;
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Stop();
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}
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}
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DP_OUT();
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}
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// -----------------------------------------------------------------------------
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// From class MAudioDataSupplier
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// CDevPlayControl::BufferToBeFilled
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// -----------------------------------------------------------------------------
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//
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void CDevPlayControl::BufferToBeFilled(MMMFBufferSource* aSource, CMMFBuffer* aBuffer)
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{
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DP_CONTEXT(CDevPlayControl::BufferToBeFilled *CD1*, CtxDevSound, DPLOCAL);
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DP_IN();
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PRF(PRF_ID, PRF_STOP, PRF_TIME, AA_DS_PlayInit, "");
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__ASSERT_ALWAYS(iBufferSource==aSource, CDevAudioControl::Panic(EBufferMismatch));
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iAdaptationObserver->BufferToBeFilled(aBuffer);
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iBuffer = aBuffer;
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DP_OUT();
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}
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// -----------------------------------------------------------------------------
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// From class MAudioDataSupplier
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// CDevPlayControl::DiscardBuffers
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// -----------------------------------------------------------------------------
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//
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sl@0
|
304 |
void CDevPlayControl::DiscardBuffers(MMMFBufferSource* /*aSource*/)
|
|
sl@0
|
305 |
{
|
|
sl@0
|
306 |
DP_CONTEXT(CDevPlayControl::DiscardBuffers *CD1*, CtxDevSound, DPLOCAL);
|
|
sl@0
|
307 |
DP_IN();
|
|
sl@0
|
308 |
|
|
sl@0
|
309 |
DP_OUT();
|
|
sl@0
|
310 |
}
|
|
sl@0
|
311 |
|
|
sl@0
|
312 |
// -----------------------------------------------------------------------------
|
|
sl@0
|
313 |
// CDevPlayControl::ProcessingFinished
|
|
sl@0
|
314 |
// -----------------------------------------------------------------------------
|
|
sl@0
|
315 |
//
|
|
sl@0
|
316 |
void CDevPlayControl::ProcessingFinished(MAudioStream& /*aStream*/)
|
|
sl@0
|
317 |
{
|
|
sl@0
|
318 |
DP_CONTEXT(CDevPlayControl::ProcessingFinished *CD1*, CtxDevSound, DPLOCAL);
|
|
sl@0
|
319 |
DP_IN();
|
|
sl@0
|
320 |
PRF(PRF_ID, PRF_STOP, PRF_LOAD, AA_DS_Play, "");
|
|
sl@0
|
321 |
|
|
sl@0
|
322 |
if(iCallbackFromAdaptor == KCallbackNone)
|
|
sl@0
|
323 |
{
|
|
sl@0
|
324 |
iCallbackFromAdaptor = KCallbackProcessingFinished;
|
|
sl@0
|
325 |
iAdaptationObserver->CallbackFromAdaptorReceived(iCallbackFromAdaptor, KErrNone);
|
|
sl@0
|
326 |
}
|
|
sl@0
|
327 |
else
|
|
sl@0
|
328 |
{
|
|
sl@0
|
329 |
// Multiple callbacks from adaptor
|
|
sl@0
|
330 |
DP0(DLERR, "Multiple callbacks from adaptor");
|
|
sl@0
|
331 |
}
|
|
sl@0
|
332 |
DP_OUT();
|
|
sl@0
|
333 |
}
|
|
sl@0
|
334 |
|
|
sl@0
|
335 |
|
|
sl@0
|
336 |
// -----------------------------------------------------------------------------
|
|
sl@0
|
337 |
// CDevPlayControl::ProcessingFinishedReceived
|
|
sl@0
|
338 |
// -----------------------------------------------------------------------------
|
|
sl@0
|
339 |
//
|
|
sl@0
|
340 |
TInt CDevPlayControl::ProcessingFinishedReceived(TBool& aAyncOperation)
|
|
sl@0
|
341 |
{
|
|
sl@0
|
342 |
DP_CONTEXT(CDevPlayControl::ProcessingFinishedReceived *CD1*, CtxDevSound, DPLOCAL);
|
|
sl@0
|
343 |
DP_IN();
|
|
sl@0
|
344 |
aAyncOperation = EFalse;
|
|
sl@0
|
345 |
TInt err = iDevAudio->iAudioStream->Stop();
|
|
sl@0
|
346 |
if ( err == KErrNone)
|
|
sl@0
|
347 |
{
|
|
sl@0
|
348 |
err = iDevAudio->CommitAudioContext();
|
|
sl@0
|
349 |
if(err == KErrNone)
|
|
sl@0
|
350 |
{
|
|
sl@0
|
351 |
iDevAudio->iActiveState = EDevSoundAdaptorStopping;
|
|
sl@0
|
352 |
aAyncOperation = ETrue;
|
|
sl@0
|
353 |
}
|
|
sl@0
|
354 |
}
|
|
sl@0
|
355 |
// Something was wrong, clear the flag.
|
|
sl@0
|
356 |
if (err != KErrNone)
|
|
sl@0
|
357 |
{
|
|
sl@0
|
358 |
iCallbackFromAdaptor = KCallbackNone;
|
|
sl@0
|
359 |
}
|
|
sl@0
|
360 |
DP0_RET(err,"%d");
|
|
sl@0
|
361 |
}
|
|
sl@0
|
362 |
|
|
sl@0
|
363 |
// -----------------------------------------------------------------------------
|
|
sl@0
|
364 |
// CDevPlayControl::BufferErrorEvent
|
|
sl@0
|
365 |
// -----------------------------------------------------------------------------
|
|
sl@0
|
366 |
//
|
|
sl@0
|
367 |
void CDevPlayControl::BufferErrorEvent()
|
|
sl@0
|
368 |
{
|
|
sl@0
|
369 |
ProcessingUnitError(NULL,KErrNoMemory);
|
|
sl@0
|
370 |
}
|
|
sl@0
|
371 |
|
|
sl@0
|
372 |
|
|
sl@0
|
373 |
// -----------------------------------------------------------------------------
|
|
sl@0
|
374 |
// CDevPlayControl::FinishWithError
|
|
sl@0
|
375 |
// -----------------------------------------------------------------------------
|
|
sl@0
|
376 |
//
|
|
sl@0
|
377 |
void CDevPlayControl::FinishWithError(TInt aError)
|
|
sl@0
|
378 |
{
|
|
sl@0
|
379 |
iAdaptationObserver->PlayError(aError);
|
|
sl@0
|
380 |
}
|
|
sl@0
|
381 |
|
|
sl@0
|
382 |
// ---------------------------------------------------------------------------
|
|
sl@0
|
383 |
// CDevPlayControl::ProcessingError
|
|
sl@0
|
384 |
// ---------------------------------------------------------------------------
|
|
sl@0
|
385 |
TInt CDevPlayControl::ProcessingError(TBool& aAyncOperation)
|
|
sl@0
|
386 |
{
|
|
sl@0
|
387 |
TInt err = ProcessingFinishedReceived(aAyncOperation);
|
|
sl@0
|
388 |
return err;
|
|
sl@0
|
389 |
}
|
|
sl@0
|
390 |
|
|
sl@0
|
391 |
// End of file
|
|
sl@0
|
392 |
|