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//audiostream.cpp
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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 <a3f/a3fbase.h>
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#include <a3f/audioprocessingunittypeuids.h>
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#include <a3f/a3ffourcclookup.h>
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#include "audiostream.h"
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// PHYSICAL COMPONENTS
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#include "audiocodec.h"
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#include "audiostream.h"
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#include "buffersource.h"
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#include "buffersink.h"
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#include "audiodevicesource.h"
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#include "audiodevicesink.h"
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#include "audiogaincontrol.h"
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#include "maudiostreamadaptationobserver.h"
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#include <a3f/maudiodatasupplier.h>
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#include <a3f/maudiodataconsumer.h>
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#include "minputport.h"
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#include "moutputport.h"
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#include "audiocontext.h"
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#include <ecom/implementationproxy.h>
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const TInt KSampleRate8000Hz = 8000;
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// Map the interface implementation UIDs to implementation factory functions
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const TImplementationProxy ImplementationTable[] =
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{
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IMPLEMENTATION_PROXY_ENTRY(0x10283461, CAudioStream::NewL),
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};
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EXPORT_C const TImplementationProxy* ImplementationGroupProxy(TInt& aTableCount)
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{
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aTableCount = sizeof(ImplementationTable) / sizeof(TImplementationProxy);
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return ImplementationTable;
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}
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// ---------------------------------------------------------------------------
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// Constructor
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// ---------------------------------------------------------------------------
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//
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CAudioStream::CAudioStream()
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: iCurrentStreamState(EUninitialized),
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iDesiredStreamState(EUninitialized)
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{
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TRACE_CREATE();
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DP_CONTEXT(CAudioStream::CAudioStream *CD1*, CtxDevSound, DPLOCAL);
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DP_IN();
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// Some init config values
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iSampleRateConfig = KSampleRate8000Hz;
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iModeConfig = KA3FModeMono;
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DP_OUT();
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}
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// ---------------------------------------------------------------------------
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// Factory method
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// ---------------------------------------------------------------------------
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//
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CAudioStream* CAudioStream::NewL()
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{
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DP_STATIC_CONTEXT(CAudioStream::NewL *CD0*, CtxDevSound, DPLOCAL);
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DP_IN();
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CAudioStream* self = new(ELeave)CAudioStream();
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CleanupStack::PushL(self);
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self->ConstructL();
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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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// Second phase constructor
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// ---------------------------------------------------------------------------
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//
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void CAudioStream::ConstructL()
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{
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DP_CONTEXT(CAudioStream::ConstructL *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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// Destructor
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// ---------------------------------------------------------------------------
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//
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CAudioStream::~CAudioStream()
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{
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DP_CONTEXT(CAudioStream::~CAudioStream *CD1*, CtxDevSound, DPLOCAL);
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DP_IN();
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iAudioStreamObservers.Close();
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iAudioCodecObservers.Close();
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// Just for now
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DeletePhysicalComponents();
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REComSession::FinalClose();
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DP_OUT();
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}
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// ---------------------------------------------------------------------------
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// CAudioStream::RegisterAudioStreamObserver
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// ---------------------------------------------------------------------------
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//
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TInt CAudioStream::RegisterAudioStreamObserver(MAudioStreamAdaptationObserver& aObserver)
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{
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DP_CONTEXT(CAudioStream::RegisterAudioStreamObserver *CD1*, CtxDevSound, DPLOCAL);
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DP_IN();
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TInt err = iAudioStreamObservers.Find(&aObserver);
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if(err == KErrNotFound)
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{
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err = iAudioStreamObservers.Append(&aObserver);
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}
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else
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{
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err = KErrAlreadyExists;
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}
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DP0_RET(err, "%d");
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}
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// ---------------------------------------------------------------------------
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// CAudioStream::UnregisterAudioStreamObserver
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// ---------------------------------------------------------------------------
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//
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void CAudioStream::UnregisterAudioStreamObserver(MAudioStreamAdaptationObserver& aObserver)
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{
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DP_CONTEXT(CAudioStream::UnregisterAudioStreamObserver *CD1*, CtxDevSound, DPLOCAL);
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DP_IN();
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TInt idxOrErr = iAudioStreamObservers.Find(&aObserver);
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if( idxOrErr != KErrNotFound )
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{
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iAudioStreamObservers.Remove(idxOrErr);
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}
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DP_OUT();
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}
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// ---------------------------------------------------------------------------
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// CAudioStream::SetFourCC
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// ---------------------------------------------------------------------------
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//
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void CAudioStream::SetFourCC(const CFourCCConvertor& aFourCCConvertor)
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{
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DP_CONTEXT(CAudioStream::SetFourCC *CD1*, CtxDevSound, DPLOCAL);
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DP_IN();
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CFourCCConvertor& ref = const_cast<CFourCCConvertor&>(aFourCCConvertor);
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iFourCCConvertor = static_cast<CFourCCConvertor*>(static_cast<TAny*>(&ref));
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DP_OUT();
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}
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// ---------------------------------------------------------------------------
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// CAudioStream::UnregisterAudioStreamObserver
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// ---------------------------------------------------------------------------
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//
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void CAudioStream::UnregisterAllAudioStreamObserver()
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{
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DP_CONTEXT(CAudioStream::UnregisterAudioStreamObserver *CD1*, CtxDevSound, DPLOCAL);
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DP_IN();
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iAudioStreamObservers.Reset();
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DP_OUT();
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}
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// ---------------------------------------------------------------------------
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// MMRC extension mechanism
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// ---------------------------------------------------------------------------
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TAny* CAudioStream::GetComponent(TUid aType)
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{
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TAny* ptr = NULL;
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MLogicalChain* clientDesiredChain = NULL;
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CAudioContext* context = static_cast<CAudioContext*>(iAudioContext);
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if(context)
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{
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clientDesiredChain = context->GetLogicalChain(0);
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}
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if (clientDesiredChain)
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{
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ptr = clientDesiredChain->GetComponent(aType);
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}
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return ptr;
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}
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// ---------------------------------------------------------------------------
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// CAudioStream::Message
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// ---------------------------------------------------------------------------
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TInt CAudioStream::Message(MLogicalChain& aCurrentChain, MLogicalChain& aDesiredChain, MAudioContext& aContext, TInt aFlags)
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{
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DP_CONTEXT(CAudioStream::Message *CD0*, CtxDevSound, DPLOCAL);
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DP_IN();
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TInt err = KErrNone;
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iCurrentChain = &aCurrentChain;
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iDesiredChain = &aDesiredChain;
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TUint messageType = aDesiredChain.MessageType();
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iAudioContext = &aContext;
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CAudioContext* audioContext = static_cast<CAudioContext*> (iAudioContext);
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// TO NOTIFY DIRECTLY CONTEXT
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MMultimediaResourceControlObserver* mmrcObserver = static_cast<MMultimediaResourceControlObserver*>(audioContext);
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// Register stream observer
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if (messageType & ERegisterStreamObserver != 0)
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{
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// Use MMRC extension mechanism
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TAny* ptr = GetComponent(KUidAudioStreamAdaptationObserver);
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MAudioStreamAdaptationObserver* observer = static_cast<MAudioStreamAdaptationObserver*>(ptr);
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if(observer)
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{
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err = RegisterAudioStreamObserver(*observer);
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}
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}
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// Register codec observer
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if (messageType & ERegisterCodecObserver != 0)
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{
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// Use MMRC extension mechanism
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TAny* ptr = GetComponent(KUidAudioCodecObserver);
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MAudioCodecObserver* observer = static_cast<MAudioCodecObserver*>(ptr);
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if (observer)
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{
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err = RegisterAudioCodecObserver(*observer);
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}
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}
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// Component creation
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TUint bit = messageType & EComponentCreation;
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if( (err == KErrNone) && (bit != 0) )
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{
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CAudioContext* context = static_cast<CAudioContext*>(iAudioContext);
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MLogicalChain* clientDesiredChain = context->GetLogicalChain(0);
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err = CreatePhysicalComponents(*clientDesiredChain);
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// For Configuration
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if (err==KErrNone)
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{
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clientDesiredChain->SetAdaptationStream(*this);
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clientDesiredChain->SetStreamBufferControl(*this);
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}
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}
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// Component alteration
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// Changes that must be applied before stream state transition
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TBool configCodec = EFalse;
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bit = messageType & EComponentAlterationCodec;
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if( (err == KErrNone) && (bit != 0) )
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{
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// Set Format
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if(iCodec)
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{
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TUid desiredCodecFormat = iDesiredChain->CodecFormat();
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err = iCodec->SetFormat( desiredCodecFormat );
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}
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if(err == KErrNone)
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{
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//if samplerate or mode has changed, update value and trigger callbacks at appropriate point
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if ((iDesiredChain->GetSampleRate() > 0) && (iDesiredChain->GetSampleRate() != iSampleRateConfig))
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{
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iSampleRateConfig = iDesiredChain->GetSampleRate();
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configCodec = ETrue;
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}
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if ((iDesiredChain->GetMode() != KNullUid) && (iDesiredChain->GetMode() != iModeConfig))
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{
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iModeConfig = iDesiredChain->GetMode();
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configCodec = ETrue;
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}
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}
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}
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bit = messageType & EComponentAlterationGain;
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if( (err == KErrNone) && (bit != 0) )
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{
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// Apply volume ramp
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// Note that ramp operation and gain now are applied separately because current tone arquitecture
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// need the volume ramp to be set before start the tonehwdevice
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TTimeIntervalMicroSeconds currentRampTimeValue = 0;
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TUid currentRampTimeOperation(KNullUid);
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TTimeIntervalMicroSeconds desiredRampTimeValue = 0;
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TUid desiredRampTimeOperation(KNullUid);
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iCurrentChain->GetVolumeRampParameters(currentRampTimeOperation, currentRampTimeValue);
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iDesiredChain->GetVolumeRampParameters(desiredRampTimeOperation, desiredRampTimeValue);
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if(currentRampTimeOperation != desiredRampTimeOperation ||
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currentRampTimeValue.Int64() != desiredRampTimeValue.Int64() )
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{
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if (iGainControl)
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{
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err = iGainControl->ConfigureRamp(desiredRampTimeOperation, desiredRampTimeValue);
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}
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}
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}
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//Configuration request
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// Stream state
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TBool invokeStateEventCallback = EFalse;
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iDesiredStreamState = iDesiredChain->StreamState();
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if( (err == KErrNone) && (iCurrentStreamState != iDesiredStreamState) )
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{
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err = ChangeState(iCurrentStreamState, iDesiredStreamState);
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if (err == KErrNone)
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{
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iCurrentStreamState = iDesiredStreamState;
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}
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invokeStateEventCallback = ETrue;
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}
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// Component alteration
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// Changes that must be applied after stream state transition
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TBool gainUpdated = EFalse;
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bit = messageType & EComponentAlterationGain;
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if( (err == KErrNone) && (bit != 0) )
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{
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TAny* ptr = GetComponent(KUidAudioGainControl);
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MAudioGainControl* gaincontrol = static_cast<MAudioGainControl*>(ptr);
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if (iGainControl && gaincontrol)
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{
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RArray<TAudioChannelGain> channels;
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TInt err = gaincontrol->GetGain(channels);
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if (channels.Count() != 0 )
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{
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err = iGainControl->SetGain(channels);
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gainUpdated = ETrue;
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}
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channels.Close();
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}
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}
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TBool invokeCodecCallbacks = EFalse;
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bit = messageType & EComponentAlterationCodec;
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if ( (err == KErrNone) && (bit != 0) && configCodec && (iCurrentStreamState == EInitialized) )
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{
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//codec loading actually configures sample rate and mode
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ASSERT(iCodec);
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err = iCodec->Load(iSampleRateConfig, iModeConfig);
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iIsCodecConfig = (err == KErrNone);
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invokeCodecCallbacks = ETrue;
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if ( err != KErrNone )
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{
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//get back to previous values in case of error
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iSampleRateConfig = iCurrentChain->GetSampleRate();
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iModeConfig = iCurrentChain->GetMode();
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|
371 |
}
|
|
|
372 |
}
|
|
|
373 |
|
|
|
374 |
// Component destruction
|
|
|
375 |
bit = messageType & EComponentDestruction;
|
|
|
376 |
if( (err == KErrNone) && (bit != 0) )
|
|
|
377 |
{
|
|
|
378 |
DeletePhysicalComponents();
|
|
|
379 |
}
|
|
|
380 |
|
|
|
381 |
TUint isStopping = aFlags & KServerStopping;
|
|
|
382 |
TUint preemptionRequest = aFlags & KPreemptionRequest;
|
|
|
383 |
|
|
|
384 |
// HERE WE CAN GUARANTEE THAT THE REQUEST IS SUCCESFUL
|
|
|
385 |
// Notify context
|
|
|
386 |
// 1ST CALLBACK
|
|
|
387 |
if(!preemptionRequest)
|
|
|
388 |
{
|
|
|
389 |
mmrcObserver->ReceiveResourceUpdate(&aDesiredChain, KErrNone);
|
|
|
390 |
}
|
|
|
391 |
else
|
|
|
392 |
{
|
|
|
393 |
mmrcObserver->ReceivePreemptionUpdate(&aDesiredChain, err);
|
|
|
394 |
}
|
|
|
395 |
|
|
|
396 |
// Processing unit callbacks
|
|
|
397 |
// Gain control
|
|
|
398 |
// Note that due to error checking before applying any change
|
|
|
399 |
// this callback always returned the error obtained by calling SetGain
|
|
|
400 |
// or KErrNone
|
|
|
401 |
if(gainUpdated)
|
|
|
402 |
{
|
|
|
403 |
if (iGainControl)
|
|
|
404 |
{
|
|
|
405 |
iGainControl->IssueGainChangedCallBack(err);
|
|
|
406 |
}
|
|
|
407 |
}
|
|
|
408 |
|
|
|
409 |
// Stream
|
|
|
410 |
if(invokeStateEventCallback)
|
|
|
411 |
{
|
|
|
412 |
invokeStateEventCallback = EFalse;
|
|
|
413 |
for ( TUint idx(0); idx < iAudioStreamObservers.Count(); idx++ )
|
|
|
414 |
{
|
|
|
415 |
if ( !isStopping )
|
|
|
416 |
{
|
|
|
417 |
iAudioStreamObservers[idx]->StateEvent(err, iCurrentStreamState);
|
|
|
418 |
}
|
|
|
419 |
}
|
|
|
420 |
}
|
|
|
421 |
if( invokeCodecCallbacks && (iCurrentStreamState == EInitialized) )
|
|
|
422 |
{
|
|
|
423 |
TInt count = iAudioCodecObservers.Count();
|
|
|
424 |
for ( TInt idx = 0; idx < count; idx++ )
|
|
|
425 |
{
|
|
|
426 |
//TODO replace this functionality with the new mmrc
|
|
|
427 |
iAudioCodecObservers[idx]->SampleRateSet(err);
|
|
|
428 |
iAudioCodecObservers[idx]->ModeSet(err);
|
|
|
429 |
}
|
|
|
430 |
}
|
|
|
431 |
|
|
|
432 |
// Now has no effect on context
|
|
|
433 |
// But it's needed to let the MMRC know about the operation being completed
|
|
|
434 |
// and in such way let it to know that
|
|
|
435 |
for ( TUint idx(0); idx < iAudioStreamObservers.Count(); idx++ )
|
|
|
436 |
{
|
|
|
437 |
if ( !isStopping )
|
|
|
438 |
{
|
|
|
439 |
iAudioStreamObservers[idx]->PhysicalAdaptationEvent(EOperationComplete, err);
|
|
|
440 |
}
|
|
|
441 |
}
|
|
|
442 |
|
|
|
443 |
// Don't need to send last callback sync
|
|
|
444 |
// Let MMRC do it
|
|
|
445 |
|
|
|
446 |
DP0_RET(err, "%d");
|
|
|
447 |
}
|
|
|
448 |
|
|
|
449 |
// ---------------------------------------------------------------------------
|
|
|
450 |
// CAudioStream::DeletePhysicalComponents
|
|
|
451 |
// ---------------------------------------------------------------------------
|
|
|
452 |
void CAudioStream::DeletePhysicalComponents()
|
|
|
453 |
{
|
|
|
454 |
DP_CONTEXT(CAudioStream::DeletePhysicalComponents *CD0*, CtxDevSound, DPLOCAL);
|
|
|
455 |
DP_IN();
|
|
|
456 |
if(iBufferSource)
|
|
|
457 |
{
|
|
|
458 |
delete iBufferSource;
|
|
|
459 |
iBufferSource = NULL;
|
|
|
460 |
}
|
|
|
461 |
if(iBufferSink)
|
|
|
462 |
{
|
|
|
463 |
delete iBufferSink;
|
|
|
464 |
iBufferSink = NULL;
|
|
|
465 |
}
|
|
|
466 |
if(iCodec)
|
|
|
467 |
{
|
|
|
468 |
delete iCodec;
|
|
|
469 |
iCodec = NULL;
|
|
|
470 |
iIsCodecConfig = EFalse;
|
|
|
471 |
}
|
|
|
472 |
if(iGainControl)
|
|
|
473 |
{
|
|
|
474 |
delete iGainControl;
|
|
|
475 |
iGainControl = NULL;
|
|
|
476 |
}
|
|
|
477 |
if(iDeviceSource)
|
|
|
478 |
{
|
|
|
479 |
delete iDeviceSource;
|
|
|
480 |
iDeviceSource = NULL;
|
|
|
481 |
}
|
|
|
482 |
if(iDeviceSink)
|
|
|
483 |
{
|
|
|
484 |
delete iDeviceSink;
|
|
|
485 |
iDeviceSink= NULL;
|
|
|
486 |
}
|
|
|
487 |
DP_OUT();
|
|
|
488 |
}
|
|
|
489 |
|
|
|
490 |
|
|
|
491 |
// ---------------------------------------------------------------------------
|
|
|
492 |
// CAudioStream::CreatePhysicalComponents
|
|
|
493 |
// ---------------------------------------------------------------------------
|
|
|
494 |
TInt CAudioStream::CreatePhysicalComponents(MLogicalChain& aDesiredChain)
|
|
|
495 |
{
|
|
|
496 |
DP_CONTEXT(CAudioStream::CreatePhysicalComponents *CD0*, CtxDevSound, DPLOCAL);
|
|
|
497 |
DP_IN();
|
|
|
498 |
|
|
|
499 |
TInt err = KErrNone;
|
|
|
500 |
TInt units = aDesiredChain.AudioProcessingUnitsCount();
|
|
|
501 |
TInt index=0;
|
|
|
502 |
TUid typeId;
|
|
|
503 |
|
|
|
504 |
for (index=0; index < units ; index++)
|
|
|
505 |
{
|
|
|
506 |
typeId = aDesiredChain.AudioProcessingUnitUid(index);
|
|
|
507 |
|
|
|
508 |
// By the moment all components
|
|
|
509 |
if (err == KErrNone)
|
|
|
510 |
{
|
|
|
511 |
if (typeId == KUidAudioDecoder || typeId == KUidAudioEncoder )
|
|
|
512 |
{
|
|
|
513 |
if(!iCodec)
|
|
|
514 |
{
|
|
|
515 |
TRAP(err, iCodec = CAudioCodec::NewL(typeId, *iFourCCConvertor ));
|
|
|
516 |
iIsCodecConfig = EFalse;
|
|
|
517 |
iCodec->RegisterAudioCodecObserver(*this);
|
|
|
518 |
TAny* ptr = GetComponent(KUidAudioCodecAdaptationObserver);
|
|
|
519 |
MAudioCodecAdaptationObserver* observer = static_cast<MAudioCodecAdaptationObserver*>(ptr);
|
|
|
520 |
if(observer)
|
|
|
521 |
{
|
|
|
522 |
iCodec->RegisterAudioCodecObserver(*observer);
|
|
|
523 |
}
|
|
|
524 |
// For HW custom interface
|
|
|
525 |
aDesiredChain.SetCustomInterfaceProvider(*iCodec);
|
|
|
526 |
}
|
|
|
527 |
if(iGainControl)
|
|
|
528 |
{
|
|
|
529 |
iGainControl->SetHelper(*iCodec);
|
|
|
530 |
}
|
|
|
531 |
// This mechanism is temporary and must be replaced
|
|
|
532 |
// with the Extension mechanism when the MMRC server
|
|
|
533 |
aDesiredChain.SetStreamPositionControl(*iCodec);
|
|
|
534 |
}
|
|
|
535 |
else if (typeId == KUidMmfBufferSource)
|
|
|
536 |
{
|
|
|
537 |
if(!iBufferSource)
|
|
|
538 |
{
|
|
|
539 |
TRAP(err,iBufferSource = CBufferSource::NewL());
|
|
|
540 |
// This mechanism is temporary and must be replaced
|
|
|
541 |
// with the Extension mechanism when the MMRC server
|
|
|
542 |
aDesiredChain.SetAdaptationSource(*iBufferSource);
|
|
|
543 |
/*
|
|
|
544 |
TAny* ptr = aDesiredChain.GetComponent(KUidMmfBufferSource);
|
|
|
545 |
MMMFAudioDataSupplier* supplier = static_cast<MMMFAudioDataSupplier*>(ptr);
|
|
|
546 |
if(supplier)
|
|
|
547 |
{
|
|
|
548 |
iBufferSource->SetDataSupplier(*supplier);
|
|
|
549 |
}
|
|
|
550 |
*/
|
|
|
551 |
}
|
|
|
552 |
}
|
|
|
553 |
else if (typeId == KUidMmfBufferSink)
|
|
|
554 |
{
|
|
|
555 |
if(!iBufferSink)
|
|
|
556 |
{
|
|
|
557 |
TRAP(err, iBufferSink = CBufferSink::NewL());
|
|
|
558 |
// This mechanism is temporary and must be replaced
|
|
|
559 |
// with the Extension mechanism when the MMRC server
|
|
|
560 |
aDesiredChain.SetAdaptationSink(*iBufferSink);
|
|
|
561 |
}
|
|
|
562 |
}
|
|
|
563 |
else if (typeId == KUidAudioGainControl)
|
|
|
564 |
{
|
|
|
565 |
if(!iGainControl)
|
|
|
566 |
{
|
|
|
567 |
// This mechanism is temporary and must be replaced
|
|
|
568 |
// with the Extension mechanism when the MMRC server
|
|
|
569 |
TRAP(err, iGainControl = CAudioGainControl::NewL());
|
|
|
570 |
aDesiredChain.SetAdaptationGainControl(*iGainControl);
|
|
|
571 |
}
|
|
|
572 |
}
|
|
|
573 |
else if (typeId == KUidAudioDeviceSink)
|
|
|
574 |
{
|
|
|
575 |
if(!iDeviceSink)
|
|
|
576 |
{
|
|
|
577 |
TRAP(err, iDeviceSink = CAudioDeviceSink::NewL());
|
|
|
578 |
}
|
|
|
579 |
}
|
|
|
580 |
else if (typeId == KUidAudioDeviceSource)
|
|
|
581 |
{
|
|
|
582 |
if(!iDeviceSource)
|
|
|
583 |
{
|
|
|
584 |
TRAP(err, iDeviceSource = CAudioDeviceSource::NewL());
|
|
|
585 |
}
|
|
|
586 |
}
|
|
|
587 |
else
|
|
|
588 |
{
|
|
|
589 |
err = KErrNotSupported;
|
|
|
590 |
}
|
|
|
591 |
}
|
|
|
592 |
|
|
|
593 |
// Notify the observers
|
|
|
594 |
for ( TUint idx(0); idx < iAudioStreamObservers.Count(); idx++ )
|
|
|
595 |
{
|
|
|
596 |
iAudioStreamObservers[idx]->AddProcessingUnitComplete(typeId, err);
|
|
|
597 |
}
|
|
|
598 |
}
|
|
|
599 |
DP0_RET(err, "%d");
|
|
|
600 |
}
|
|
|
601 |
|
|
|
602 |
// ---------------------------------------------------------------------------
|
|
|
603 |
// CAudioStream::CreateDataPath
|
|
|
604 |
// ---------------------------------------------------------------------------
|
|
|
605 |
TInt CAudioStream::CreateDataPath()
|
|
|
606 |
{
|
|
|
607 |
DP_CONTEXT(CAudioStream::CreateDataPath *CD1*, CtxDevSound, DPLOCAL);
|
|
|
608 |
DP_IN();
|
|
|
609 |
TInt err(KErrNotReady);
|
|
|
610 |
|
|
|
611 |
if(iBufferSource && iCodec) // && iSink && iGain)
|
|
|
612 |
{
|
|
|
613 |
// TMode == Decode
|
|
|
614 |
if(KErrNone == iBufferSource->GetOutputPort(iOutputport) && KErrNone == iCodec->GetInputPort(iInputport))
|
|
|
615 |
{
|
|
|
616 |
iOutputport->SetInput(iInputport);
|
|
|
617 |
iInputport->SetOutput(iOutputport);
|
|
|
618 |
err = KErrNone;
|
|
|
619 |
}
|
|
|
620 |
}
|
|
|
621 |
else if(iBufferSink && iCodec) // && iSink && iGain)
|
|
|
622 |
{
|
|
|
623 |
//TMode == Encode
|
|
|
624 |
if(KErrNone == iCodec->GetOutputPort(iOutputport) && KErrNone == iBufferSink->GetInputPort(iInputport))
|
|
|
625 |
{
|
|
|
626 |
iOutputport->SetInput(iInputport);
|
|
|
627 |
iInputport->SetOutput(iOutputport);
|
|
|
628 |
err = KErrNone;
|
|
|
629 |
}
|
|
|
630 |
}
|
|
|
631 |
DP0_RET(err, "%d");
|
|
|
632 |
}
|
|
|
633 |
|
|
|
634 |
// ---------------------------------------------------------------------------
|
|
|
635 |
// CAudioStream::DemolishDataPath
|
|
|
636 |
// ---------------------------------------------------------------------------
|
|
|
637 |
//
|
|
|
638 |
TInt CAudioStream::DemolishDataPath()
|
|
|
639 |
{
|
|
|
640 |
DP_CONTEXT(CAudioStream::DemolishDataPath *CD1*, CtxDevSound, DPLOCAL);
|
|
|
641 |
DP_IN();
|
|
|
642 |
iOutputport->RemoveInput(iInputport);
|
|
|
643 |
iInputport->RemoveOutput(iOutputport);
|
|
|
644 |
DP0_RET(KErrNone, "%d");
|
|
|
645 |
}
|
|
|
646 |
|
|
|
647 |
// ---------------------------------------------------------------------------
|
|
|
648 |
// CAudioStream::ChangeState
|
|
|
649 |
// ---------------------------------------------------------------------------
|
|
|
650 |
TInt CAudioStream::ChangeState(TAudioState aPreviousState, TAudioState aDesiredState)
|
|
|
651 |
{
|
|
|
652 |
DP_CONTEXT(CAudioStream::ChangeState *CD1*, CtxDevSound, DPLOCAL);
|
|
|
653 |
DP_IN();
|
|
|
654 |
TInt err(KErrNone);
|
|
|
655 |
iCurrentStreamState = aPreviousState;
|
|
|
656 |
iDesiredStreamState = aDesiredState;
|
|
|
657 |
|
|
|
658 |
// Ensure that there is no dereference of a NULL pointer
|
|
|
659 |
ASSERT(iDesiredStreamState < EInitialized || iDesiredStreamState > EActive || iCodec);
|
|
|
660 |
|
|
|
661 |
switch (iDesiredStreamState)
|
|
|
662 |
{
|
|
|
663 |
case EInitialized:
|
|
|
664 |
{
|
|
|
665 |
if (iCurrentStreamState == EUninitialized) //Initialize
|
|
|
666 |
{
|
|
|
667 |
err = CreateDataPath();
|
|
|
668 |
if(err == KErrNone)
|
|
|
669 |
{
|
|
|
670 |
err = iCodec->Initialize();
|
|
|
671 |
}
|
|
|
672 |
}
|
|
|
673 |
else if( iCurrentStreamState == EIdle ) //codec unload (actually, unconfig)
|
|
|
674 |
{
|
|
|
675 |
iIsCodecConfig = EFalse;
|
|
|
676 |
err = KErrNone;
|
|
|
677 |
}
|
|
|
678 |
// Preemption
|
|
|
679 |
// This A3F adaptation allows going from Active/Primed directly to initialised
|
|
|
680 |
// otherwise reference MMRC would need to handle those transitions separately
|
|
|
681 |
else if(iCurrentStreamState == EActive || iCurrentStreamState == EPrimed)
|
|
|
682 |
{
|
|
|
683 |
// To Idle
|
|
|
684 |
err = iCodec->Stop();
|
|
|
685 |
// To Initilised
|
|
|
686 |
iIsCodecConfig = EFalse;
|
|
|
687 |
}
|
|
|
688 |
|
|
|
689 |
if(err == KErrNone)
|
|
|
690 |
{
|
|
|
691 |
iCurrentStreamState = EInitialized;
|
|
|
692 |
}
|
|
|
693 |
break;
|
|
|
694 |
}
|
|
|
695 |
case EIdle:
|
|
|
696 |
{
|
|
|
697 |
if ( (iCurrentStreamState == EInitialized) && !iIsCodecConfig )
|
|
|
698 |
{
|
|
|
699 |
//codec loading actually configures sample rate and mode
|
|
|
700 |
err = iCodec->Load(iSampleRateConfig, iModeConfig);
|
|
|
701 |
iIsCodecConfig = (err == KErrNone);
|
|
|
702 |
}
|
|
|
703 |
else if (iCurrentStreamState == EActive)
|
|
|
704 |
{
|
|
|
705 |
err = iCodec->Stop();
|
|
|
706 |
}
|
|
|
707 |
else if (iCurrentStreamState == EPrimed)
|
|
|
708 |
{
|
|
|
709 |
err = iCodec->Stop();
|
|
|
710 |
}
|
|
|
711 |
|
|
|
712 |
if(err == KErrNone)
|
|
|
713 |
{
|
|
|
714 |
iTimeProcessed = 0;
|
|
|
715 |
iCurrentStreamState = EIdle;
|
|
|
716 |
}
|
|
|
717 |
break;
|
|
|
718 |
}
|
|
|
719 |
case EPrimed:
|
|
|
720 |
{
|
|
|
721 |
if (iCurrentStreamState == EIdle)
|
|
|
722 |
{
|
|
|
723 |
DP0(DLINFO,"============== Stream is going from EIdle -> PRIMED");
|
|
|
724 |
DP0(DLINFO,"Nothing to be done");
|
|
|
725 |
}
|
|
|
726 |
else if (iCurrentStreamState == EActive)
|
|
|
727 |
{
|
|
|
728 |
DP0(DLINFO,"============== Stream is going from EActive -> PRIMED");
|
|
|
729 |
err = iCodec->Pause();
|
|
|
730 |
}
|
|
|
731 |
if(err == KErrNone)
|
|
|
732 |
{
|
|
|
733 |
iCurrentStreamState = EPrimed;
|
|
|
734 |
}
|
|
|
735 |
break;
|
|
|
736 |
}
|
|
|
737 |
case EActive:
|
|
|
738 |
{
|
|
|
739 |
if (iCurrentStreamState == EPrimed) //Activate from Primed
|
|
|
740 |
{
|
|
|
741 |
// Reusing AudioCodec::Start for resuming
|
|
|
742 |
DP0(DLINFO,"============== Stream is going from EPrimed -> ACTIVE");
|
|
|
743 |
err = iCodec->Start();
|
|
|
744 |
}
|
|
|
745 |
else if(iCurrentStreamState == EIdle) //Activate from Idle
|
|
|
746 |
{
|
|
|
747 |
DP0(DLINFO,"============== Stream is going from EIdle -> ACTIVATE");
|
|
|
748 |
err = iCodec->Start();
|
|
|
749 |
}
|
|
|
750 |
|
|
|
751 |
if(err == KErrNone)
|
|
|
752 |
{
|
|
|
753 |
iCurrentStreamState = EActive;
|
|
|
754 |
}
|
|
|
755 |
break;
|
|
|
756 |
}
|
|
|
757 |
case EUninitialized:
|
|
|
758 |
{
|
|
|
759 |
err = DemolishDataPath();
|
|
|
760 |
if(err == KErrNone)
|
|
|
761 |
{
|
|
|
762 |
iCurrentStreamState = EUninitialized;
|
|
|
763 |
}
|
|
|
764 |
break;
|
|
|
765 |
}
|
|
|
766 |
case EDead:
|
|
|
767 |
{
|
|
|
768 |
err = DemolishDataPath();
|
|
|
769 |
if(err == KErrNone)
|
|
|
770 |
{
|
|
|
771 |
iCurrentStreamState = EDead;
|
|
|
772 |
}
|
|
|
773 |
break;
|
|
|
774 |
}
|
|
|
775 |
default:
|
|
|
776 |
err = KErrNotSupported;
|
|
|
777 |
DP1(DLINFO,"CAudioStream::ChangeState Unknown state! %d", iDesiredStreamState);
|
|
|
778 |
break;
|
|
|
779 |
}
|
|
|
780 |
DP0_RET(err, "%d");
|
|
|
781 |
}
|
|
|
782 |
|
|
|
783 |
TInt CAudioStream::FlushBuffers()
|
|
|
784 |
{
|
|
|
785 |
DP_CONTEXT(CAudioStream::FlushBuffers *CD1*, CtxDevSound, DPLOCAL);
|
|
|
786 |
DP_IN();
|
|
|
787 |
|
|
|
788 |
TInt err = KErrNone;
|
|
|
789 |
|
|
|
790 |
MOutputPort* outPort= static_cast<MOutputPort*>(iCodec);
|
|
|
791 |
if(outPort)
|
|
|
792 |
{
|
|
|
793 |
outPort->FlushBuffer(this);
|
|
|
794 |
}
|
|
|
795 |
else
|
|
|
796 |
{
|
|
|
797 |
err = KErrNotReady;
|
|
|
798 |
}
|
|
|
799 |
err = KErrNone;
|
|
|
800 |
DP0_RET(err, "%d");
|
|
|
801 |
}
|
|
|
802 |
|
|
|
803 |
|
|
|
804 |
void CAudioStream::FlushComplete(TInt aError)
|
|
|
805 |
{
|
|
|
806 |
DP_CONTEXT(CAudioStream::FlushComplete *CD1*, CtxDevSound, DPLOCAL);
|
|
|
807 |
DP_IN();
|
|
|
808 |
TUint count = iAudioStreamObservers.Count();
|
|
|
809 |
for ( TUint i(0); i < count; i++ )
|
|
|
810 |
{
|
|
|
811 |
iAudioStreamObservers[i]->FlushComplete(aError);
|
|
|
812 |
}
|
|
|
813 |
DP_OUT();
|
|
|
814 |
}
|
|
|
815 |
|
|
|
816 |
void CAudioStream::AllBuffersProcessed()
|
|
|
817 |
{
|
|
|
818 |
DP_CONTEXT(CAudioStream::AllBuffersProcessed *CD1*, CtxDevSound, DPLOCAL);
|
|
|
819 |
DP_IN();
|
|
|
820 |
TUint count = iAudioStreamObservers.Count();
|
|
|
821 |
for ( TUint i(0); i < count; i++ )
|
|
|
822 |
{
|
|
|
823 |
iAudioStreamObservers[i]->ProcessingFinished();
|
|
|
824 |
}
|
|
|
825 |
DP_OUT();
|
|
|
826 |
}
|
|
|
827 |
|
|
|
828 |
void CAudioStream::ProcessingUnitError(TInt /*aError*/)
|
|
|
829 |
{
|
|
|
830 |
DP_CONTEXT(CAudioStream::ProcessingUnitError *CD1*, CtxDevSound, DPLOCAL);
|
|
|
831 |
DP_IN();
|
|
|
832 |
DP_OUT();
|
|
|
833 |
}
|
|
|
834 |
|
|
|
835 |
// ---------------------------------------------------------------------------
|
|
|
836 |
// CAudioStream::RegisterAudioCodecObserver
|
|
|
837 |
// ---------------------------------------------------------------------------
|
|
|
838 |
TInt CAudioStream::RegisterAudioCodecObserver(MAudioCodecObserver& aObserver)
|
|
|
839 |
{
|
|
|
840 |
DP_CONTEXT(CAudioStream::RegisterAudioCodecObserver *CD1*, CtxDevSound, DPLOCAL);
|
|
|
841 |
DP_IN();
|
|
|
842 |
TInt err = iAudioCodecObservers.Find(&aObserver);
|
|
|
843 |
if(err == KErrNotFound)
|
|
|
844 |
{
|
|
|
845 |
err = iAudioCodecObservers.Append(&aObserver);
|
|
|
846 |
}
|
|
|
847 |
else
|
|
|
848 |
{
|
|
|
849 |
err = KErrAlreadyExists;
|
|
|
850 |
}
|
|
|
851 |
DP0_RET(err, "%d");
|
|
|
852 |
}
|
|
|
853 |
|
|
|
854 |
// ---------------------------------------------------------------------------
|
|
|
855 |
// CAudioStream::UnregisterAudioCodecObserver
|
|
|
856 |
// ---------------------------------------------------------------------------
|
|
|
857 |
void CAudioStream::UnregisterAudioCodecObserver(MAudioCodecObserver& aObserver)
|
|
|
858 |
{
|
|
|
859 |
DP_CONTEXT(CAudioStream::UnregisterAudioCodecObserver *CD1*, CtxDevSound, DPLOCAL);
|
|
|
860 |
DP_IN();
|
|
|
861 |
TInt idxOrErr = iAudioCodecObservers.Find(&aObserver);
|
|
|
862 |
if( idxOrErr != KErrNotFound )
|
|
|
863 |
{
|
|
|
864 |
iAudioCodecObservers.Remove(idxOrErr);
|
|
|
865 |
}
|
|
|
866 |
DP_OUT();
|
|
|
867 |
}
|
|
|
868 |
|
|
|
869 |
void CAudioStream::GetSupportedAModesComplete(TInt /*aError*/)
|
|
|
870 |
{
|
|
|
871 |
DP_CONTEXT(CAudioStream::GetSupportedAModesComplete *CD1*, CtxDevSound, DPLOCAL);
|
|
|
872 |
DP_IN();
|
|
|
873 |
DP_OUT();
|
|
|
874 |
}
|
|
|
875 |
|
|
|
876 |
void CAudioStream::GetSupportedARatesComplete(TInt /*aError*/)
|
|
|
877 |
{
|
|
|
878 |
DP_CONTEXT(CAudioStream::GetSupportedARatesComplete *CD1*, CtxDevSound, DPLOCAL);
|
|
|
879 |
DP_IN();
|
|
|
880 |
DP_OUT();
|
|
|
881 |
}
|
|
|
882 |
|
|
|
883 |
// ---------------------------------------------------------------------------
|
|
|
884 |
// CAudioStream::GetSupportedSampleRates
|
|
|
885 |
// ---------------------------------------------------------------------------
|
|
|
886 |
TInt CAudioStream::GetSupportedSampleRates(RArray<TInt>& aSupportedRates)
|
|
|
887 |
{
|
|
|
888 |
TInt err = (KErrNotReady);
|
|
|
889 |
err = iCodec->SupportedRates(aSupportedRates);
|
|
|
890 |
return err;
|
|
|
891 |
}
|
|
|
892 |
|
|
|
893 |
// ---------------------------------------------------------------------------
|
|
|
894 |
// CAudioStream::GetSupportedModes
|
|
|
895 |
// ---------------------------------------------------------------------------
|
|
|
896 |
TInt CAudioStream::GetSupportedModes(RArray<TUid>& aSupportedModes)
|
|
|
897 |
{
|
|
|
898 |
TInt err = (KErrNotReady);
|
|
|
899 |
err = iCodec->SupportedModes(aSupportedModes);
|
|
|
900 |
return err;
|
|
|
901 |
}
|
|
|
902 |
|
|
|
903 |
// end of file
|