Symaptic: os/mm/mmhais/a3facl/src/audiostream/logicalaudiostream.cpp@bde4ae8d615e

     1 // Copyright (c) 2004-2009 Nokia Corporation and/or its subsidiary(-ies).

     2 // All rights reserved.

     3 // This component and the accompanying materials are made available

     4 // under the terms of "Eclipse Public License v1.0"

     5 // which accompanies this distribution, and is available

     6 // at the URL "http://www.eclipse.org/legal/epl-v10.html".

     7 //

     8 // Initial Contributors:

     9 // Nokia Corporation - initial contribution.

    10 //

    11 // Contributors:

    12 //

    13 // Description:

    14 //

    18 #include "logicalaudiogaincontrol.h"

    19 #include "logicalaudiocodec.h"

    20 #include "logicalbuffersource.h"

    21 #include "logicalbuffersink.h"

    22 #include "logicalaudiodevicesink.h"

    23 #include "logicalaudiodevicesource.h"

    24 #include "logicalaudiostream.h"

    26 #include <mmf/server/sounddevice.h>

    27 #include <a3f/audioprocessingunittypeuids.h>

    28 #include <a3f/maudiocodec.h>

    29 #include <a3f/maudiocontext.h>

    30 #include "audiocontext.h"

    32 // TODO: Remove when the MMRC Extension mechanism is ready

    33 #include "mstreampositioncontrol.h"

    34 #include "mstreampositioncontrol.h"

    35 #include "audioprocessingunit.h"

    37 #include <ecom/implementationproxy.h> // For making it ECom plugin

    40 // Exported proxy for instantiation method resolution

    41 // Define the interface UIDs

    42 const TImplementationProxy ImplementationTable[] =

    43 	{

    44 	IMPLEMENTATION_PROXY_ENTRY(KAudioStreamUid, CLogicalAudioStream::NewL)

    45 	};

    47 EXPORT_C const TImplementationProxy* ImplementationGroupProxy(TInt& aTableCount)

    48 	{

    49 	aTableCount = sizeof(ImplementationTable) / sizeof(TImplementationProxy);

    50 	return ImplementationTable;

    51 	}

    53 // ---------------------------------------------------------------------------

    54 // Constructor

    55 // ---------------------------------------------------------------------------

    56 //

    57 CLogicalAudioStream::CLogicalAudioStream()

    58 	: CAudioStreamManager(),

    59 	iCurrentState(EUninitialized),

    60 	iMessageType(ERegisterStreamObserver)

    61 	{

    62 	TRACE_CREATE();

    63 	DP_CONTEXT(CLogicalAudioStream::CLogicalAudioStream *CD1*, CtxDevSound, DPLOCAL);

    64 	DP_IN();

    65 	DP_OUT();

    66 	}

    68 // ---------------------------------------------------------------------------

    69 // CLogicalAudioStream::NewL

    70 // ---------------------------------------------------------------------------

    71 CLogicalAudioStream* CLogicalAudioStream::NewL(TUid /*aTypeId*/)

    72 	{

    73 	DP_STATIC_CONTEXT(CLogicalAudioStream::NewL *CD0*, CtxDevSound, DPLOCAL);

    74 	DP_IN();

    75 	CLogicalAudioStream* self = new(ELeave)CLogicalAudioStream();

    76 	CleanupStack::PushL(self);

    77 	self->ConstructL();

    78 	CleanupStack::Pop(self);

    79 	DP0_RET(self, "0x%x");

    80 	}

    82 // ---------------------------------------------------------------------------

    83 // Second phase constructor

    84 // ---------------------------------------------------------------------------

    85 void CLogicalAudioStream::ConstructL()

    86 	{

    87 	DP_CONTEXT(CLogicalAudioStream::ConstructL *CD1*, CtxDevSound, DPLOCAL);

    88 	DP_IN();

    89 	DP_OUT();

    90 	}

    92 // ---------------------------------------------------------------------------

    93 // Destructor

    94 // ---------------------------------------------------------------------------

    95 //

    96  CLogicalAudioStream::~CLogicalAudioStream()

    97 	{

    98 	DP_CONTEXT(CLogicalAudioStream::~CLogicalAudioStream *CD1*, CtxDevSound, DPLOCAL);

    99 	DP_IN();

   100 	iAudioProcessingUnits.Close();

   101 	iCISupportObservers.Close();

   102 	DP_OUT();

   103 	}

   106 // From MAudioStream

   107 // ---------------------------------------------------------------------------

   108 // CLogicalAudioStream::Uninitialize

   109 // ---------------------------------------------------------------------------

   110 TInt CLogicalAudioStream::Uninitialize()

   111 	{

   112 	DP_CONTEXT(CLogicalAudioStream::Uninitialize *CD1*, CtxDevSound, DPLOCAL);

   113 	DP_IN();

   114 	if (iCurrentState != EInitialized)

   115 		{

   116 		DP0_RET(KErrNotReady, "%d");

   117 		}

   119 	iCurrentState = EUninitialized;

   120 	DP0_RET(KErrNone, "%d");

   121 	}

   123 // ---------------------------------------------------------------------------

   124 // CLogicalAudioStream::Initialize

   125 // ---------------------------------------------------------------------------

   126 TInt CLogicalAudioStream::Initialize()

   127 	{

   128 	DP_CONTEXT(CLogicalAudioStream::Initialize *CD1*, CtxDevSound, DPLOCAL);

   129 	DP_IN();

   130 	if (iCurrentState != EUninitialized)

   131 		{

   132 		DP0_RET(KErrNotReady, "%d");

   133 		}

   135 	//calling commit??

   136 	iCurrentState = EInitialized;

   137 	DP0_RET(KErrNone, "%d");

   138 	}

   140 // ---------------------------------------------------------------------------

   141 // CLogicalAudioStream::Load

   142 // ---------------------------------------------------------------------------

   143 TInt CLogicalAudioStream::Load()

   144 	{

   145 	DP_CONTEXT(CLogicalAudioStream::Load *CD1*, CtxDevSound, DPLOCAL);

   146 	DP_IN();

   147 	if (iCurrentState != EInitialized)

   148 		{

   149 		DP0_RET(KErrNotReady, "%d");

   150 		}

   152 	iCurrentState = EIdle;

   153 	ResetStreamTime();

   154 	DP0_RET(KErrNone, "%d");

   155 	}

   157 // ---------------------------------------------------------------------------

   158 // CLogicalAudioStream::Stop

   159 // ---------------------------------------------------------------------------

   160 TInt CLogicalAudioStream::Stop()

   161 	{

   162 	DP_CONTEXT(CLogicalAudioStream::Stop *CD1*, CtxDevSound, DPLOCAL);

   163 	DP_IN();

   164 	if (iCurrentState != EActive && iCurrentState != EPrimed)

   165 		{

   166 		DP0_RET(KErrNotReady, "%d");

   167 		}

   168 	iCurrentState = EIdle;

   169 	DP0_RET(KErrNone, "%d");

   170 	}

   172 // ---------------------------------------------------------------------------

   173 // CLogicalAudioStream::Unload

   174 // ---------------------------------------------------------------------------

   175 TInt CLogicalAudioStream::Unload()

   176 	{

   177 	DP_CONTEXT(CLogicalAudioStream::Unload *CD1*, CtxDevSound, DPLOCAL);

   178 	DP_IN();

   179 	if (iCurrentState != EIdle)

   180 		{

   181 		DP0_RET(KErrNotReady, "%d");

   182 		}

   184 	iCurrentState = EInitialized;

   185 	DP0_RET(KErrNone, "%d");

   186 	}

   188 // ---------------------------------------------------------------------------

   189 // CLogicalAudioStream::Prime

   190 // ---------------------------------------------------------------------------

   191 TInt CLogicalAudioStream::Prime()

   192 	{

   193 	DP_CONTEXT(CLogicalAudioStream::Prime *CD1*, CtxDevSound, DPLOCAL);

   194 	DP_IN();

   195 	if (iCurrentState != EActive && iCurrentState != EIdle)

   196 		{

   197 		DP0_RET(KErrNotReady, "%d");

   198 		}

   200 	iCurrentState = EPrimed;

   201 	DP0_RET(KErrNone, "%d");

   202 	}

   204 // ---------------------------------------------------------------------------

   205 // CLogicalAudioStream::Flush

   206 // ---------------------------------------------------------------------------

   207 TInt CLogicalAudioStream::Flush()

   208 	{

   209 	DP_CONTEXT(CLogicalAudioStream::Flush *CD1*, CtxDevSound, DPLOCAL);

   210 	DP_IN();

   211 	if (iCurrentState != EIdle && iCurrentState != EPrimed)

   212 		{

   213 		DP0_RET(KErrNotReady, "%d");

   214 		}

   216 	if(!iStreamBufferControl)

   217 		{

   218 		DP0_RET(KErrNotReady, "%d");

   219 		}

   220 	//Empty any buffers that have been filled

   221 	iStreamBufferControl->FlushBuffers();

   223 	DP0_RET(KErrNone, "%d");

   224 	}

   226 // ---------------------------------------------------------------------------

   227 // CLogicalAudioStream::Activate

   228 // ---------------------------------------------------------------------------

   229 TInt CLogicalAudioStream::Activate()

   230 	{

   231 	DP_CONTEXT(CLogicalAudioStream::Activate *CD1*, CtxDevSound, DPLOCAL);

   232 	DP_IN();

   233 	if (iCurrentState != EIdle && iCurrentState != EPrimed)

   234 		{

   235 		DP0_RET(KErrNotReady, "%d");

   236 		}

   238 	//The start-up procedures include requesting permission for audio processing

   239 	//from audio policy. If permission to start is denied by audio policy, a state

   240 	//change callback to the current state will occur.

   241 	iCurrentState = EActive;

   242 	DP0_RET(KErrNone, "%d");

   243 	}

   245 // ---------------------------------------------------------------------------

   246 // CLogicalAudioStream::AddSource

   247 // ---------------------------------------------------------------------------

   248 TInt CLogicalAudioStream::AddSource(MAudioProcessingUnit* aSource)

   249 	{

   250 	DP_CONTEXT(CLogicalAudioStream::AddSource *CD1*, CtxDevSound, DPLOCAL);

   251 	DP_IN();

   252 	TInt err;

   253 	if (aSource->IsTypeOf(KUidMmfBufferSource) || aSource->IsTypeOf(KUidAudioDeviceSource))

   254 		{

   255 		if (iCurrentState == EUninitialized)

   256 			{

   257 			err = DoAddProcessingUnit(aSource);

   258 			}

   259 		else

   260 			{

   261 			err = KErrNotReady;

   262 			}

   263 		}

   264 	else

   265 		{

   266 		err = KErrNotSupported;

   267 		}

   268 	DP0_RET(err, "%d");

   269 	}

   272 // ---------------------------------------------------------------------------

   273 // CLogicalAudioStream::AddSink

   274 // ---------------------------------------------------------------------------

   275 TInt CLogicalAudioStream::AddSink(MAudioProcessingUnit* aSink)

   276 	{

   277 	DP_CONTEXT(CLogicalAudioStream::AddSink *CD1*, CtxDevSound, DPLOCAL);

   278 	DP_IN();

   279 	TInt err;

   280 	if (aSink->IsTypeOf(KUidMmfBufferSink) || aSink->IsTypeOf(KUidAudioDeviceSink) )

   281 		{

   282 		if (iCurrentState == EUninitialized)

   283 			{

   284 			err = DoAddProcessingUnit(aSink);

   285 			}

   286 		else

   287 			{

   288 			err = KErrNotReady;

   289 			}

   290 		}

   291 	else

   292 		{

   293 		err = KErrNotSupported;

   294 		}

   295 	DP0_RET(err, "%d");

   296 	}

   298 // ---------------------------------------------------------------------------

   299 // CLogicalAudioStream::AddCodec

   300 // ---------------------------------------------------------------------------

   301 TInt CLogicalAudioStream::AddAudioCodec(MAudioProcessingUnit* aCodec)

   302 	{

   303 	DP_CONTEXT(CLogicalAudioStream::AddAudioCodec *CD1*, CtxDevSound, DPLOCAL);

   304 	DP_IN();

   305 	TInt err;

   306 	if (iCodec != NULL)

   307 		{

   308 		DP0_RET(KErrInUse, "%d");

   309 		}

   311 	if (aCodec->IsTypeOf(KUidAudioCodec))

   312 		{

   313 		if (iCurrentState == EUninitialized)

   314 			{

   315 			err = DoAddProcessingUnit(aCodec);

   316 			}

   317 		else

   318 			{

   319 			err = KErrNotReady;

   320 			}

   321 		}

   322 	else

   323 		{

   324 		err = KErrNotSupported;

   325 		}

   326 	DP0_RET(err, "%d");

   327 	}

   329 // ---------------------------------------------------------------------------

   330 // CLogicalAudioStream::AddGainControl

   331 // ---------------------------------------------------------------------------

   332 TInt CLogicalAudioStream::AddGainControl(MAudioProcessingUnit* aGainControl)

   333 	{

   334 	DP_CONTEXT(CLogicalAudioStream::AddGainControl *CD1*, CtxDevSound, DPLOCAL);

   335 	DP_IN();

   336 	TInt err(KErrNone);

   338 	if (iGain != NULL)

   339 		{

   340 		DP0_RET(KErrInUse, "%d");

   341 		}

   343 	if (aGainControl->IsTypeOf(KUidAudioGainControl))

   344 		{

   345 		if (iCurrentState == EUninitialized)

   346 			{

   347 			err = DoAddProcessingUnit(aGainControl);

   348 			}

   349 		else

   350 			{

   351 			err = KErrNotReady;

   352 			}

   353 		}

   354 	else

   355 		{

   356 		err = KErrNotSupported;

   357 		}

   358 	DP0_RET(err, "%d");

   359 	}

   361 // ---------------------------------------------------------------------------

   362 // CLogicalAudioStream::RemoveProcessigUnit

   363 // ---------------------------------------------------------------------------

   364 TInt CLogicalAudioStream::RemoveProcessingUnit(MAudioProcessingUnit* aProcessingUnit)

   365 	{

   366 	DP_CONTEXT(CLogicalAudioStream::RemoveProcessingUnit *CD1*, CtxDevSound, DPLOCAL);

   367 	DP_IN();

   369 	if(iCurrentState != EUninitialized)

   370 		{

   371 		DP0_RET(KErrNotReady, "%d");

   372 		}

   374 	TInt err(KErrNotFound);

   375 	if (aProcessingUnit != NULL)

   376 		{

   377 		TAudioComponentId param = aProcessingUnit->InstanceId();

   378 		TUint count= iAudioProcessingUnits.Count();

   380 		if (aProcessingUnit->IsTypeOf(KUidAudioCodec))

   381 			{

   382 			iCodec = NULL;

   383 			}

   384 		else if (aProcessingUnit->IsTypeOf(KUidAudioGainControl))

   385 			{

   386 			iGain = NULL;

   387 			}

   389 		for ( TUint i(0); i < count; i++ )

   390 			{

   391 			// find and remove component

   392 			if( iAudioProcessingUnits[i]->InstanceId() == param)

   393 				{

   394 				iAudioProcessingUnits.Remove(i);

   395 				break;

   396 				}

   397 			}

   398 		SetMessageType(EComponentDestruction);

   399 		err = KErrNone;

   400 		}

   401 	DP0_RET(err, "%d");

   402 	}

   404 // ---------------------------------------------------------------------------

   405 // CLogicalAudioStream::ResetStreamTime

   406 // ---------------------------------------------------------------------------

   407 TInt CLogicalAudioStream::ResetStreamTime()

   408 	{

   409 	DP_CONTEXT(CLogicalAudioStream::ResetStreamTime *CD1*, CtxDevSound, DPLOCAL);

   410 	DP_IN();

   411 	TInt err(KErrNone);

   412 	if (iCurrentState != EIdle)

   413 		{

   414 		DP0_RET(KErrNotReady, "%d");

   415 		}

   416 	if(iPositionControl)

   417 		{

   418 		iPositionControl->ResetControlPosition();

   419 		}

   420 	iTimeProcessed = 0;

   421 	DP0_RET(err, "%d");

   422 	}

   425 // ---------------------------------------------------------------------------

   426 // CLogicalAudioStream::GetStreamTime

   427 // ---------------------------------------------------------------------------

   428 TInt CLogicalAudioStream::GetStreamTime(TTimeIntervalMicroSeconds& aStreamTime)

   429 	{

   430 	DP_CONTEXT(CLogicalAudioStream::GetStreamTime *CD1*, CtxDevSound, DPLOCAL);

   431 	DP_IN();

   432 	TInt err(KErrNone);

   434 	if(iPositionControl)

   435 		{

   436 		err = iPositionControl->GetControlPosition(aStreamTime);

   437 		if(err == KErrNone)

   438 			{

   439 			iTimeProcessed = aStreamTime;

   440 			}

   441 		}

   442 	else

   443 		{

   444 		aStreamTime = iTimeProcessed;

   445 		}

   446 	DP0_RET(err, "%d");

   447 	}

   449 // ---------------------------------------------------------------------------

   450 // CLogicalAudioStream::Interface

   451 // ---------------------------------------------------------------------------

   452 TAny* CLogicalAudioStream::Interface(TUid aType)

   453 	{

   454 	DP_CONTEXT(CLogicalAudioStream::Interface *CD1*, CtxDevSound, DPLOCAL);

   455 	DP_IN();

   456 	TAny* interface(NULL);

   457 	if( aType == KUidAudioStream)

   458 		{

   459 		interface = static_cast<MAudioStream*>(this);

   460 		}

   461 	else if( aType == KUidExtensionInferface)

   462 		{

   463 		interface = static_cast<MCustomInterfaceSupport*>(this);

   464 		}

   465 	else if (aType == KUidAudioStreamAdaptationObserver)

   466 		{

   467 		interface = static_cast<MAudioStreamAdaptationObserver*>(this);

   468 		DP0_RET(interface, "0x%x");

   469 		}

   470 	else if (aType == KUidAudioCodecObserver)

   471 		{

   472 		interface = static_cast<MAudioCodecObserver*>(this);

   473 		DP0_RET(interface, "0x%x");

   474 		}

   476 	DP_OUT();

   477 	return interface;

   478 	}

   480 // ---------------------------------------------------------------------------

   481 // From MCustomInterfaceSupport

   482 // CAudioStream::RequestCustomInterface

   483 // ---------------------------------------------------------------------------

   484 TInt CLogicalAudioStream::RequestCustomInterface(TUid aUid, TAny*& aPtr)

   485 	{

   486 	DP_CONTEXT(CLogicalAudioStream::RequestCustomInterface *CD1*, CtxDevSound, DPLOCAL);

   487 	DP_IN();

   488 	TInt err = KErrNone;

   489 	if (aUid == KA3FBackdoorAccessIfUid)

   490 		{

   491 		MA3FBackdoorAccessIf* self = this;

   492 		aPtr = self;

   493 		}

   494 	else if(iInterfaceProvider)

   495 		{

   496 		err = iInterfaceProvider->RequestCustomInterface(aUid, aPtr);

   497 		if (err != KErrNone)

   498 			{

   499 			aPtr = NULL;

   500 			}

   501 		}

   502 	else

   503 		{

   504 		err = KErrNotReady;

   505 		}

   506 	DP0_RET(err, "%d");

   507 	}

   509 // ---------------------------------------------------------------------------

   510 // From MCustomInterfaceSupport

   511 // CAudioStream::RegisterObserver

   512 // ---------------------------------------------------------------------------

   513 TInt CLogicalAudioStream::RegisterObserver(MCustomInterfaceSupportObserver& aObserver)

   514 	{

   515 	DP_CONTEXT(CLogicalAudioStream::RegisterObserver *CD1*, CtxDevSound, DPLOCAL);

   516 	DP_IN();

   517 	TInt err = KErrNone;

   518 	err = iCISupportObservers.Find(&aObserver);

   519 	if( err != KErrNotFound )

   520 		{

   521 		err = KErrAlreadyExists;

   522 		}

   523 	else

   524 		{

   525 		err = iCISupportObservers.Append(&aObserver);

   526 		}

   527 	DP0_RET(err, "%d");

   528 	}

   530 // ---------------------------------------------------------------------------

   531 // From MCustomInterfaceSupport

   532 // CAudioStream::UnRegisterObserver

   533 // ---------------------------------------------------------------------------

   534 void CLogicalAudioStream::UnRegisterObserver(MCustomInterfaceSupportObserver& aObserver)

   535 	{

   536 	DP_CONTEXT(CLogicalAudioStream::UnRegisterObserver *CD1*, CtxDevSound, DPLOCAL);

   537 	DP_IN();

   538 	TInt idxOrErr = iCISupportObservers.Find(&aObserver);

   539 	if( idxOrErr != KErrNotFound )

   540 		{

   541 		iCISupportObservers.Remove(idxOrErr);

   542 		}

   543 	DP_OUT();

   544 	}

   546 // ---------------------------------------------------------------------------

   547 // From MCustomInterfaceSupport

   548 // CAudioStream::CustomInterfaceRemoval

   549 // ---------------------------------------------------------------------------

   550 void CLogicalAudioStream::CustomInterfaceRemoval(TUid aInterfaceUid, TAny* aPtr)

   551 	{

   552 	DP_CONTEXT(CLogicalAudioStream::CustomInterfaceRemoval *CD1*, CtxDevSound, DPLOCAL);

   553 	DP_IN();

   554 	TUint count = iCISupportObservers.Count();

   555 	for ( TUint idx(0); idx < count; idx++ )

   556 		{

   557 		iCISupportObservers[idx]->CustomInterfaceRemoval(aInterfaceUid, aPtr);

   558 		}

   559 	DP_OUT();

   560 	}

   562 // ---------------------------------------------------------------------------

   563 // From MAudioStreamAdaptationObserver

   564 // CAudioStream::PhysicalAdaptationEvent

   565 // ---------------------------------------------------------------------------

   566 void CLogicalAudioStream::PhysicalAdaptationEvent(TPhysicalEvent /*aEvent*/, TInt /*aError*/)

   567 	{

   568 	DP_CONTEXT(CLogicalAudioStream::PhysicalAdaptationEvent *CD1*, CtxDevSound, DPLOCAL);

   569 	DP_IN();

   570 	DP_OUT();

   571 	}

   573 // ---------------------------------------------------------------------------

   574 // CAudioStream::StateEvent

   575 // ---------------------------------------------------------------------------

   576 void CLogicalAudioStream::StateEvent(TInt aReason, TAudioState aNewState)

   577 	{

   578 	DP_CONTEXT(CLogicalAudioStream::StateEvent *CD1*, CtxDevSound, DPLOCAL);

   579 	DP_IN();

   580 #ifdef _DEBUG

   581 	RDebug::Print(_L("CLogicalAudioStream::StateEvent Error %d Stay %d"),  aReason, aNewState);

   582 #endif

   583 	TUint count = iAudioStreamObserver.Count();

   584 	for ( TUint idx(0); idx < count; idx++ )

   585 		{

   586 		iAudioStreamObserver[idx]->StateEvent(*this, aReason, aNewState);

   587 		}

   588 	iCurrentState = aNewState;

   589 	DP_OUT();

   590 	}

   592 // ---------------------------------------------------------------------------

   593 // CLogicalAudioStream::AddProcessingUnitComplete

   594 // ---------------------------------------------------------------------------

   595 void CLogicalAudioStream::AddProcessingUnitComplete(TUid aType, TInt aError)

   596 	{

   597 	DP_CONTEXT(CLogicalAudioStream::AddProcessingUnitComplete *CD1*, CtxDevSound, DPLOCAL);

   598 	DP_IN();

   599 	MAudioProcessingUnit* instance = NULL;

   600 	MapUidToProcessingUnit(aType, instance);

   601 	TUint count = iAudioStreamObserver.Count();

   602 	for ( TUint idx(0); idx < count; idx++ )

   603 		{

   604 		iAudioStreamObserver[idx]->AddProcessingUnitComplete(*this, instance, aError);

   605 		}

   606 	DP_OUT();

   607 	}

   609 // ---------------------------------------------------------------------------

   610 // CLogicalAudioStream::RemoveProcessingUnitComplete

   611 // ---------------------------------------------------------------------------

   612 void CLogicalAudioStream::RemoveProcessingUnitComplete(TUid aType, TInt aError)

   613 	{

   614 	DP_CONTEXT(CLogicalAudioStream::RemoveProcessingUnitComplete *CD1*, CtxDevSound, DPLOCAL);

   615 	DP_IN();

   616 	MAudioProcessingUnit* instance = NULL;

   617 	MapUidToProcessingUnit(aType, instance);

   618 	TUint count = iAudioStreamObserver.Count();

   619 	for ( TUint idx(0); idx < count; idx++ )

   620 		{

   621 		iAudioStreamObserver[idx]->RemoveProcessingUnitComplete(*this, instance, aError);

   622 		}

   623 	DP_OUT();

   624 	}

   626 // ---------------------------------------------------------------------------

   627 // From MAudioStreamAdaptationObserver

   628 // CLogicalAudioStream::ProcessingFinished

   629 // ---------------------------------------------------------------------------

   630 void CLogicalAudioStream::ProcessingFinished()

   631 	{

   632 	DP_CONTEXT(CLogicalAudioStream::ProcessingFinished *CD1*, CtxDevSound, DPLOCAL);

   633 	DP_IN();

   634 	TUint count = iAudioStreamObserver.Count();

   635 	for ( TUint idx(0); idx < count; idx++ )

   636 		{

   637 		iAudioStreamObserver[idx]->ProcessingFinished(*this);

   638 		}

   639 	DP_OUT();

   640 	}

   642 // ---------------------------------------------------------------------------

   643 // CLogicalAudioStream::FlushComplete

   644 // ---------------------------------------------------------------------------

   645 void CLogicalAudioStream::FlushComplete(TInt aError)

   646 	{

   647 	DP_CONTEXT(CLogicalAudioStream::FlushComplete *CD1*, CtxDevSound, DPLOCAL);

   648 	DP_IN();

   649 	TUint count = iAudioStreamObserver.Count();

   650 	for ( TUint idx(0); idx < count; idx++ )

   651 		{

   652 		iAudioStreamObserver[idx]->FlushComplete(*this, aError);

   653 		}

   654 	DP_OUT();

   655 	}

   658 // ---------------------------------------------------------------------------

   659 // Internal

   660 // CLogicalAudioStream::DoAddProcessingUnit

   661 // ---------------------------------------------------------------------------

   662 TInt CLogicalAudioStream::DoAddProcessingUnit(MAudioProcessingUnit* aProcessingUnit)

   663 	{

   664 	DP_CONTEXT(CLogicalAudioStream::DoAddProcessingUnit *CD1*, CtxDevSound, DPLOCAL);

   665 	DP_IN();

   666 	TInt err(KErrNone);

   668 	if (aProcessingUnit->IsTypeOf(KUidAudioCodec) )

   669 		{

   670 		// Need for tone handling error

   671 		CAudioProcessingUnit* pUnit = static_cast<CAudioProcessingUnit*>(aProcessingUnit);

   672 		iCodec = static_cast<MAudioProcessingUnit*>(pUnit);

   673 		}

   674 	else if (aProcessingUnit->IsTypeOf(KUidAudioGainControl) )

   675 		{

   676 		CAudioProcessingUnit* pUnit = static_cast<CAudioProcessingUnit*>(aProcessingUnit);

   677 		iGain = static_cast<MAudioProcessingUnit*>(pUnit);

   678 		}

   680 	err = iAudioProcessingUnits.Append(aProcessingUnit);

   681 	SetMessageType(EComponentCreation);

   683 	DP0_RET(err, "%d");

   684 	}

   686 // ---------------------------------------------------------------------------

   687 // Internal

   688 // CLogicalAudioStream::MapUidToProcessingUnit

   689 // ---------------------------------------------------------------------------

   690 void CLogicalAudioStream::MapUidToProcessingUnit(TUid aType, MAudioProcessingUnit*& aInstance)

   691 	{

   692 	DP_CONTEXT(CLogicalAudioStream::MapUidToProcessingUnit *CD1*, CtxDevSound, DPLOCAL);

   693 	DP_IN();

   694 	TUint count = iAudioProcessingUnits.Count();

   695 	for(TUint i=0; i<count; i++)

   696 		{

   697 		aInstance = static_cast<MAudioProcessingUnit*>(iAudioProcessingUnits[i]);

   698 		if ( aInstance->IsTypeOf(aType)  )

   699 			{

   700 			break;

   701 			}

   702 		aInstance = NULL;

   703 		}

   704 	DP_OUT();

   705 	}

   707 // From MLogicalChain

   708 // ---------------------------------------------------------------------------

   709 // CLogicalAudioStream::SetMessageType

   710 // ---------------------------------------------------------------------------

   711 void CLogicalAudioStream::SetMessageType(TMMRCMessageType aMessageType)

   712 	{

   713 	DP_CONTEXT(CLogicalAudioStream::SetMessageType *CD1*, CtxDevSound, DPLOCAL);

   714 	DP_IN();

   715 	iMessageType |= aMessageType;

   716 	DP_OUT();

   717 	}

   719 // ---------------------------------------------------------------------------

   720 // CLogicalAudioStream::ResetMessage

   721 // ---------------------------------------------------------------------------

   722 void CLogicalAudioStream::ResetMessage()

   723 	{

   724 	DP_CONTEXT(CLogicalAudioStream::SetMessageType *CD1*, CtxDevSound, DPLOCAL);

   725 	DP_IN();

   726 	iMessageType = ENoMessage;

   727 	DP_OUT();

   728 	}

   730 // ---------------------------------------------------------------------------

   731 // CLogicalAudioStream::MessageType

   732 // ---------------------------------------------------------------------------

   733 TUint CLogicalAudioStream::MessageType()

   734 	{

   735 	DP_CONTEXT(CLogicalAudioStream::MessageType *CD1*, CtxDevSound, DPLOCAL);

   736 	DP_IN();

   737 	DP0_RET(iMessageType, "Message type %d");

   738 	}

   741 // ---------------------------------------------------------------------------

   742 // CLogicalAudioStream::AudioProcessingUnitUid

   743 // ---------------------------------------------------------------------------

   744 TUid CLogicalAudioStream::AudioProcessingUnitUid(TInt aIndex)

   745 	{

   746 	DP_CONTEXT(CLogicalAudioStream::AudioProcessingUnitUid *CD1*, CtxDevSound, DPLOCAL);

   747 	DP_IN();

   748 	TUid uid = {0};

   749 	MAudioProcessingUnit* pUnit(NULL);

   750 	if (aIndex >= 0)

   751 		{

   752 		pUnit = static_cast<MAudioProcessingUnit*>(iAudioProcessingUnits[aIndex]);

   753 		}

   755 	if (pUnit != NULL)

   756 		{

   757 		if (pUnit->IsTypeOf(KUidAudioDecoder))

   758 			{

   759 			uid = KUidAudioDecoder;

   760 			}

   761 		else if (pUnit->IsTypeOf(KUidAudioEncoder))

   762 			{

   763 			uid = KUidAudioEncoder;

   764 			}

   765 		else if (pUnit->IsTypeOf(KUidMmfBufferSource))

   766 			{

   767 			uid = KUidMmfBufferSource;

   768 			}

   769 		else if (pUnit->IsTypeOf(KUidAudioGainControl))

   770 			{

   771 			uid = KUidAudioGainControl;

   772 			}

   773 		else if (pUnit->IsTypeOf(KUidAudioDeviceSink))

   774 			{

   775 			uid = KUidAudioDeviceSink;

   776 			}

   777 		else if (pUnit->IsTypeOf(KUidMmfBufferSink))

   778 			{

   779 			uid = KUidMmfBufferSink;

   780 			}

   781 		else if (pUnit->IsTypeOf(KUidAudioDeviceSource))

   782 			{

   783 			uid = KUidAudioDeviceSource;

   784 			}

   785 		else if (pUnit->IsTypeOf(KUidAudioCodec))

   786 			{

   787 			uid = KUidAudioCodec;

   788 			}

   789 		}

   790 	DP_OUT();

   791 	return uid;

   792 	}

   794 // ---------------------------------------------------------------------------

   795 // CLogicalAudioStream::AudioProcessingUnitsCount

   796 // ---------------------------------------------------------------------------

   797 TInt CLogicalAudioStream::AudioProcessingUnitsCount()

   798 	{

   799 	DP_CONTEXT(CLogicalAudioStream::AudioProcessingUnitsCount *CD1*, CtxDevSound, DPLOCAL);

   800 	DP_IN();

   801 	DP0_RET(iAudioProcessingUnits.Count(), "%d");

   802 	}

   804 // ---------------------------------------------------------------------------

   805 // CLogicalAudioStream::StreamState

   806 // ---------------------------------------------------------------------------

   807 TAudioState CLogicalAudioStream::StreamState()

   808 	{

   809 	DP_CONTEXT(CLogicalAudioStream::StreamState *CD1*, CtxDevSound, DPLOCAL);

   810 	DP_IN();

   811 	DP0_RET(iCurrentState, "Stream state %d");

   812 	}

   814 // ---------------------------------------------------------------------------

   815 // From MLogicalChain

   816 // CLogicalAudioStream::SetStreamState

   817 // ---------------------------------------------------------------------------

   818 void CLogicalAudioStream::SetStreamState(TAudioState aAudioState)

   819 	{

   820 	DP_CONTEXT(CLogicalAudioStream::StreamState *CD1*, CtxDevSound, DPLOCAL);

   821 	DP_IN();

   822 	iCurrentState = aAudioState;

   823 	DP_OUT();

   824 	}

   826 // ---------------------------------------------------------------------------

   827 // From MLogicalChain

   828 // CLogicalAudioStream::CodecFormat

   829 // ---------------------------------------------------------------------------

   830 TUid CLogicalAudioStream::CodecFormat()

   831 	{

   832 	DP_CONTEXT(CLogicalAudioStream::CodecFormat *CD1*, CtxDevSound, DPLOCAL);

   833 	DP_IN();

   834 	CLogicalAudioCodec* codec = static_cast<CLogicalAudioCodec*>(iCodec);

   835 	DP_OUT();

   836 	TUid tuidnull = {0};

   837 	if(codec)

   838 		{

   839 		return codec->iFormat;

   840 		}

   841 	else

   842 		{

   843 		return tuidnull;

   844 		}

   845 	}

   847 // ---------------------------------------------------------------------------

   848 // From MLogicalChain

   849 // CLogicalAudioStream::GetSampleRate

   850 // ---------------------------------------------------------------------------

   851 TInt CLogicalAudioStream::GetSampleRate()

   852 	{

   853 	DP_CONTEXT(CLogicalAudioStream::GetSampleRate *CD1*, CtxDevSound, DPLOCAL);

   854 	DP_IN();

   855 	const TUint KDefaultSampleRate = 8000; // Default sample rate

   856 	CLogicalAudioCodec* codec = static_cast<CLogicalAudioCodec*>(iCodec);

   857 	DP_OUT();

   858 	TInt sampleRateValue = KDefaultSampleRate;

   859 	if(codec)

   860 		{

   861 		sampleRateValue = codec->iSampleRateConfig;

   862 		}

   863 	return sampleRateValue;

   864 	}

   866 // ---------------------------------------------------------------------------

   867 // From MLogicalChain

   868 // CLogicalAudioStream::GetMode

   869 // ---------------------------------------------------------------------------

   870 TUid CLogicalAudioStream::GetMode()

   871 	{

   872 	DP_CONTEXT(CLogicalAudioStream::GetMode *CD1*, CtxDevSound, DPLOCAL);

   873 	DP_IN();

   874 	CLogicalAudioCodec* codec = static_cast<CLogicalAudioCodec*>(iCodec);

   875 	TUid tuidnull = {0};

   876 	DP_OUT();

   877 	if(codec)

   878 		{

   879 		return codec->iModeConfig;

   880 		}

   881 	else

   882 		{

   883 		return tuidnull;

   884 		}

   885 	}

   888 // ---------------------------------------------------------------------------

   889 // From MLogicalChain

   890 // CLogicalAudioStream::Priority

   891 // ---------------------------------------------------------------------------

   892 TInt CLogicalAudioStream::Priority()

   893 	{

   894 	DP_CONTEXT(CLogicalAudioStream::Priority*CD1*, CtxDevSound, DPLOCAL);

   895 	DP_IN();

   896 	DP0_RET(iAudioTypeSettings.iPriority, "Priority %d");

   897 	}

   899 // ---------------------------------------------------------------------------

   900 // From MLogicalChain

   901 // CLogicalAudioStream::GetVolumeRampParameters

   902 // ---------------------------------------------------------------------------

   903 void CLogicalAudioStream::GetVolumeRampParameters(TUid& aRampOperation, TTimeIntervalMicroSeconds& aRampDuration)

   904 	{

   905 	DP_CONTEXT(CLogicalAudioStream::GetVolumeRampParameters*CD1*, CtxDevSound, DPLOCAL);

   906 	DP_IN();

   907 	CLogicalAudioGainControl* gain = static_cast<CLogicalAudioGainControl*>(iGain);

   908 	if(gain)

   909 		{

   910 		aRampOperation = gain->iDesiredRampOperation;

   911 		aRampDuration = gain->iDesiredRampTime;

   912 		}

   913 	DP_OUT();

   914 	}

   916 // ---------------------------------------------------------------------------

   917 // From MLogicalChain

   918 // CLogicalAudioStream::CopySettings

   919 // @param the logical chain from where the parameter will be copied

   920 // ---------------------------------------------------------------------------

   921 void CLogicalAudioStream::CopySettings(const MLogicalChain& aChain)

   922 	{

   923 	DP_CONTEXT(CLogicalAudioStream::CopySettings *CD1*, CtxDevSound, DPLOCAL);

   924 	DP_IN();

   925 	CopyStreamSettings(aChain);

   926 	CopyCodecSettings(aChain);

   927 	CopyGainSettings(aChain);

   928 	DP_OUT();

   929 	}

   931 void CLogicalAudioStream::CopyStreamSettings(const MLogicalChain& aChain)

   932 	{

   933 	DP_CONTEXT(CLogicalAudioStream::CopyStreamSettings *CD1*, CtxDevSound, DPLOCAL);

   934 	DP_IN();

   935 	// LogicalAudioStream settings

   936 	CLogicalAudioStream& srcChain = static_cast<CLogicalAudioStream&>(const_cast<MLogicalChain&>(aChain));

   938 	iAudioTypeSettings = srcChain.iAudioTypeSettings;

   939 	iCurrentState = srcChain.iCurrentState;

   940 	iRequestState = srcChain.iRequestState;

   941 	iMessageType  = srcChain.iMessageType;

   942 	iTimeProcessed = srcChain.iTimeProcessed;

   943 	DP_OUT();

   944 	}

   946 void CLogicalAudioStream::CopyCodecSettings(const MLogicalChain& aChain)

   947 	{

   948 	DP_CONTEXT(CLogicalAudioStream::CopyCodecSettings *CD1*, CtxDevSound, DPLOCAL);

   949 	DP_IN();

   951 	CLogicalAudioStream& srcChain = static_cast<CLogicalAudioStream&>(const_cast<MLogicalChain&>(aChain));

   952 	// Copy codec settings

   953 	CLogicalAudioCodec* srcCodec = static_cast<CLogicalAudioCodec*>(srcChain.iCodec);

   954 	if(iCodec && srcCodec)

   955 		{

   956 		CLogicalAudioCodec* logicalCodec = static_cast<CLogicalAudioCodec*>(iCodec);

   957 		logicalCodec->iFormat = srcCodec->iFormat;

   958 		logicalCodec->iSampleRateConfig = srcCodec->iSampleRateConfig;

   959 		logicalCodec->iModeConfig = srcCodec->iModeConfig;

   960 		}

   961 	DP_OUT();

   962 	}

   965 void CLogicalAudioStream::CopyGainSettings(const MLogicalChain& aChain)

   966 	{

   967 	DP_CONTEXT(CLogicalAudioStream::CopyGainSettings *CD1*, CtxDevSound, DPLOCAL);

   968 	DP_IN();

   970 	CLogicalAudioStream& srcChain = static_cast<CLogicalAudioStream&>(const_cast<MLogicalChain&>(aChain));

   971 	// Copy gain settings

   972 	CLogicalAudioGainControl* srcGain = static_cast<CLogicalAudioGainControl*>(srcChain.iGain);

   973 	if (iGain && srcGain )

   974 		{

   975 		if(srcGain->iDesiredChannels.Count() > 0)

   976 			{

   977 			CLogicalAudioGainControl* logicalGain = static_cast<CLogicalAudioGainControl*>(iGain);

   978 			TUint count = srcGain->iDesiredChannels.Count();

   979 			for (TUint i(0); i < count; i++)

   980 				{

   981 				logicalGain->iDesiredChannels[i] = srcGain->iDesiredChannels[i];

   982 				}

   983 			logicalGain->iDesiredRampOperation = srcGain->iDesiredRampOperation;

   984 			logicalGain->iDesiredRampTime = srcGain->iDesiredRampTime;

   985 			}

   986 		}

   987 	DP_OUT();

   988 	}

   990 // ---------------------------------------------------------------------------

   991 // From MLogicalChain

   992 // CLogicalAudioStream::CloneL

   993 // ---------------------------------------------------------------------------

   994 MLogicalChain* CLogicalAudioStream::CloneL()

   995 	{

   996 	DP_CONTEXT(CLogicalAudioStream::CloneL *CD1*, CtxDevSound, DPLOCAL);

   997 	DP_IN();

   998 	TInt err = KErrNone;

   999 	MLogicalChain* newLogicalChain = NULL;

  1001 	// Create another audiostream

  1002 	CAudioStreamManager *manager = NULL;

  1003 	manager = CAudioStreamManager::NewL(KUidAudioStream);

  1004 	// Copy stream settings

  1005 	CLogicalAudioStream* logicalAudioStream = static_cast<CLogicalAudioStream*>(manager);

  1007 	MAudioProcessingUnit* pUnit=NULL;

  1008 	TInt count = iAudioProcessingUnits.Count();

  1009 	for(TInt i = 0; i < count ; i++)

  1010 		{

  1011 		// Create processing unit

  1012 		TUid type = AudioProcessingUnitUid(i);

  1013 		TComponentParameters cParameters;

  1014 		cParameters.iTypeUid = type;

  1015 		cParameters.iInstanceId = 0;

  1016 		cParameters.iContextId = 0;

  1017 		cParameters.iSettingsObserver = NULL;

  1018 		pUnit = CAudioProcessingUnit::NewL(cParameters);

  1020 		// If no error then add to the stream

  1021 		if ( (type == KUidAudioDecoder) || (type == KUidAudioEncoder) )

  1022 			{

  1023 			err = logicalAudioStream->AddAudioCodec(pUnit);

  1024 			}

  1025 		else if (type == KUidMmfBufferSource || (type == KUidAudioDeviceSource) )

  1026 			{

  1027 			err = logicalAudioStream->AddSource(pUnit);

  1028 			}

  1029 		else if (type == KUidAudioGainControl)

  1030 			{

  1031 			err = logicalAudioStream->AddGainControl(pUnit);

  1032 			}

  1033 		else if (type == KUidAudioDeviceSink || ( type == KUidMmfBufferSink) )

  1034 			{

  1035 			err = logicalAudioStream->AddSink(pUnit);

  1036 			}

  1037 		// TODO:

  1038 		// Check this couldn't be added

  1039 		if(err != KErrNone)

  1040 			{

  1041 			logicalAudioStream->iAudioProcessingUnits.Remove(iAudioProcessingUnits.Count()-1);

  1042 			delete pUnit;

  1043 			}

  1044 		}

  1045 	// Cast to MLogicalChain

  1046 	newLogicalChain = static_cast<MLogicalChain*>(logicalAudioStream);

  1047 	newLogicalChain->CopySettings(*this);

  1049 	DP0_RET(newLogicalChain, "0x%x");

  1050 	}

  1052 // ---------------------------------------------------------------------------

  1053 // From MLogicalChain

  1054 // CLogicalAudioStream::Release

  1055 // ---------------------------------------------------------------------------

  1056 void CLogicalAudioStream::Release()

  1057 	{

  1058 	DP_CONTEXT(CLogicalAudioStream::Release *CD1*, CtxDevSound, DPLOCAL);

  1059 	DP_IN();

  1060 	// ResetAndDestroy

  1061 	TInt count = iAudioProcessingUnits.Count();

  1062 	TInt i;

  1063 	for (i=0; i<count; i++)

  1064 		{

  1065 		CAudioProcessingUnit* pUnit = static_cast<CAudioProcessingUnit*>(iAudioProcessingUnits[i]);

  1066 		delete pUnit;

  1067 		}

  1068 	iAudioProcessingUnits.Reset();

  1069 	DP_OUT();

  1070 	delete this;

  1071 	}

  1073 // ---------------------------------------------------------------------------

  1074 // From MLogicalChain

  1075 // CLogicalAudioStream::GetComponent

  1076 // ---------------------------------------------------------------------------

  1077 TAny* CLogicalAudioStream::GetComponent(TUid aType)

  1078 	{

  1079 	DP_CONTEXT(CLogicalAudioStream::GetComponent *CD1*, CtxDevSound, DPLOCAL);

  1080 	DP_IN();

  1081 	TAny* interface = NULL;

  1083 	// go through this or our subcomponents to see if somebody knows about the interface

  1084 	interface = Interface(aType);

  1085 	if (interface==NULL)

  1086 		{

  1087 		TUint count = iAudioProcessingUnits.Count();

  1088 		// go through components looking for valid interface

  1089 		for ( TInt i=0; i < count; i++ )

  1090 			{

  1091 			interface = iAudioProcessingUnits[i]->Interface(aType);

  1092 			if (interface!=NULL)

  1093 				{

  1094 				break;

  1095 				};

  1096 			}

  1097 		};

  1100 	DP0_RET(interface, "0x%x");

  1101 	}

  1105 // ---------------------------------------------------------------------------

  1106 // From MLogicalChain

  1107 // CLogicalAudioStream::SetAdaptationSource

  1108 // ---------------------------------------------------------------------------

  1109 void CLogicalAudioStream::SetAdaptationSource(MMMFBufferSource& aSource)

  1110 	{

  1111 	DP_CONTEXT(CLogicalAudioStream::SetAdaptationSource *CD1*, CtxDevSound, DPLOCAL);

  1112 	DP_IN();

  1113 	MapUidToProcessingUnit(KUidMmfBufferSource, iAudioProcessingUnit);

  1114 	ASSERT(iAudioProcessingUnit);

  1116 	CAudioProcessingUnit* cUnit = static_cast<CAudioProcessingUnit*>(iAudioProcessingUnit);

  1117 	CLogicalBufferSource* bufferSource = (static_cast<CLogicalBufferSource*>(cUnit));

  1119 	bufferSource->iAdaptationBufferSource = &aSource;

  1120 	aSource.SetDataSupplier(*bufferSource);

  1122 	iAudioProcessingUnit = NULL;

  1123 	DP_OUT();

  1124 	}

  1126 // ---------------------------------------------------------------------------

  1127 // From MLogicalChain

  1128 // CLogicalAudioStream::SetAdaptationSink

  1129 // ---------------------------------------------------------------------------

  1130 void CLogicalAudioStream::SetAdaptationSink(MMMFBufferSink& aSink)

  1131 	{

  1132 	DP_CONTEXT(CLogicalAudioStream::SetAdaptationSink *CD1*, CtxDevSound, DPLOCAL);

  1133 	DP_IN();

  1134 	MapUidToProcessingUnit(KUidMmfBufferSink, iAudioProcessingUnit);

  1135 	ASSERT(iAudioProcessingUnit);

  1137 	CAudioProcessingUnit* cUnit = static_cast<CAudioProcessingUnit*>(iAudioProcessingUnit);

  1138 	CLogicalBufferSink* bufferSink = (static_cast<CLogicalBufferSink*>(cUnit));

  1140 	bufferSink->iAdaptationBufferSink = &aSink;

  1141 	aSink.SetDataConsumer(*bufferSink);

  1143 	iAudioProcessingUnit = NULL;

  1144 	DP_OUT();

  1145 	}

  1147 // ---------------------------------------------------------------------------

  1148 // From MLogicalChain

  1149 // CLogicalAudioStream::SetAdaptationGainControl

  1150 // ---------------------------------------------------------------------------

  1151 void CLogicalAudioStream::SetAdaptationGainControl(MAudioGainControl& aGain)

  1152 	{

  1153 	DP_CONTEXT(CLogicalAudioStream::SetAdaptationGainControl *CD1*, CtxDevSound, DPLOCAL);

  1154 	DP_IN();

  1155 	ASSERT(iGain);

  1156 	CLogicalAudioGainControl* gain = static_cast<CLogicalAudioGainControl*>(iGain);

  1157 	gain->iAdaptationGain = &aGain;

  1158 	aGain.RegisterAudioGainControlObserver(*gain);

  1159 	DP_OUT();

  1160 	}

  1164 // ---------------------------------------------------------------------------

  1165 // From MLogicalChain

  1166 // CLogicalAudioStream::SetPositionControl

  1167 // ---------------------------------------------------------------------------

  1168 void CLogicalAudioStream::SetStreamPositionControl(MStreamPositionControl& aPositionControl)

  1169 	{

  1170 	DP_CONTEXT(CLogicalAudioStream::SetStreamPositionControl *CD1*, CtxDevSound, DPLOCAL);

  1171 	DP_IN();

  1172 	iPositionControl = &aPositionControl;

  1173 	DP_OUT();

  1174 	}

  1176 // ---------------------------------------------------------------------------

  1177 // CLogicalAudioStream::SetAdaptationStream

  1178 // ---------------------------------------------------------------------------

  1179 void CLogicalAudioStream::SetAdaptationStream(MConfigurationHelper& aStream)

  1180 	{

  1181 	DP_CONTEXT(CLogicalAudioStream::SetAdaptationStream *CD1*, CtxDevSound, DPLOCAL);

  1182 	DP_IN();

  1183 	CLogicalAudioCodec* codec = static_cast<CLogicalAudioCodec*>(iCodec);

  1184 	if (codec != NULL)

  1185 		{

  1186 		if (codec->iAdaptationStream == NULL)

  1187 			{

  1188 			codec->iAdaptationStream = &aStream;

  1189 			}

  1190 		}

  1191 	DP_OUT();

  1192 	}

  1194 // ---------------------------------------------------------------------------

  1195 // CLogicalAudioStream::SetStreamBufferControl

  1196 // ---------------------------------------------------------------------------

  1197 void CLogicalAudioStream::SetStreamBufferControl(MStreamBufferControl& aStreamBufferControl)

  1198 	{

  1199 	DP_CONTEXT(CLogicalAudioStream::SetAdaptationStream *CD1*, CtxDevSound, DPLOCAL);

  1200 	DP_IN();

  1201 	iStreamBufferControl = &aStreamBufferControl;

  1202 	DP_OUT();

  1203 	}

  1206 // ---------------------------------------------------------------------------

  1207 // CLogicalAudioStream::SetCustomInterfaceProvider

  1208 // ---------------------------------------------------------------------------

  1209 void CLogicalAudioStream::SetCustomInterfaceProvider(MCustomInterfaceSupport& aInterfaceProvider)

  1210 	{

  1211 	DP_CONTEXT(CLogicalAudioStream::SetCustomInterfaceProvider *CD1*, CtxDevSound, DPLOCAL);

  1212 	DP_IN();

  1213 	iInterfaceProvider = &aInterfaceProvider;

  1214 	DP_OUT();

  1215 	}

  1217 // ---------------------------------------------------------------------------

  1218 // CLogicalAudioStream::SampleRateSet

  1219 // ---------------------------------------------------------------------------

  1220 void CLogicalAudioStream::SampleRateSet(TInt aError)

  1221 	{

  1222 	DP_CONTEXT(CLogicalAudioStream::SampleRateSet *CD1*, CtxDevSound, DPLOCAL);

  1223 	DP_IN();

  1224 	CLogicalAudioCodec* codec = static_cast<CLogicalAudioCodec*>(iCodec);

  1225 	if(codec)

  1226 		{

  1227 		TUint count = codec->iAudioCodecObserver.Count();

  1228 		for ( TUint idx(0); idx < count; idx++ )

  1229 			{

  1230 			codec->iAudioCodecObserver[idx]->SampleRateSet(aError);

  1231 			}

  1232 		}

  1233 	DP_OUT();

  1234 	}

  1236 // ---------------------------------------------------------------------------

  1237 // CLogicalAudioStream::ModeSet

  1238 // ---------------------------------------------------------------------------

  1239 void CLogicalAudioStream::ModeSet(TInt aError)

  1240 	{

  1241 	DP_CONTEXT(CLogicalAudioStream::SampleRateSet *CD1*, CtxDevSound, DPLOCAL);

  1242 	DP_IN();

  1243 	CLogicalAudioCodec* codec = static_cast<CLogicalAudioCodec*>(iCodec);

  1244 	if(codec)

  1245 		{

  1246 		TUint count = codec->iAudioCodecObserver.Count();

  1247 		for ( TUint idx(0); idx < count; idx++ )

  1248 			{

  1249 			codec->iAudioCodecObserver[idx]->ModeSet(aError);

  1250 			}

  1251 		}

  1252 	DP_OUT();

  1253 	}

  1255 // ---------------------------------------------------------------------------

  1256 // CLogicalAudioStream::GetSupportedSampleRatesComplete

  1257 // ---------------------------------------------------------------------------

  1258 void CLogicalAudioStream::GetSupportedSampleRatesComplete (TInt aError)

  1259 	{

  1260 	DP_CONTEXT(CLogicalAudioStream::SampleRateSet *CD1*, CtxDevSound, DPLOCAL);

  1261 	DP_IN();

  1262 	CLogicalAudioCodec* codec = static_cast<CLogicalAudioCodec*>(iCodec);

  1263 	if(codec)

  1264 		{

  1265 		TUint count = codec->iAudioCodecObserver.Count();

  1266 		for ( TUint idx(0); idx < count; idx++ )

  1267 			{

  1268 			codec->iAudioCodecObserver[idx]->GetSupportedSampleRatesComplete(aError);

  1269 			}

  1270 		}

  1271 	DP_OUT();

  1272 	}

  1274 // ---------------------------------------------------------------------------

  1275 // CLogicalAudioStream::GetSupportedModesComplete

  1276 // ---------------------------------------------------------------------------

  1277 void CLogicalAudioStream::GetSupportedModesComplete (TInt aError)

  1278 	{

  1279 	DP_CONTEXT(CLogicalAudioStream::SampleRateSet *CD1*, CtxDevSound, DPLOCAL);

  1280 	DP_IN();

  1281 	CLogicalAudioCodec* codec = static_cast<CLogicalAudioCodec*>(iCodec);

  1282 	if(codec)

  1283 		{

  1284 		TUint count = codec->iAudioCodecObserver.Count();

  1285 		for ( TUint idx(0); idx < count; idx++ )

  1286 			{

  1287 			codec->iAudioCodecObserver[idx]->GetSupportedModesComplete(aError);

  1288 			}

  1289 		}

  1290 	DP_OUT();

  1291 	}

  1293 // ---------------------------------------------------------------------------

  1294 // CLogicalAudioStream::SetParentContext

  1295 // ---------------------------------------------------------------------------

  1296 void CLogicalAudioStream::SetParentContext(const CAudioContext& aContext)

  1297 	{

  1298 	iParentContext = const_cast<CAudioContext*>(&aContext);

  1299 	}

  1302 // from MA3FBackdoorAccessIf

  1304 MAudioContext* CLogicalAudioStream::AudioContext()

  1305 	{

  1306 	return iParentContext;

  1307 	}

  1309 MAudioStream* CLogicalAudioStream::AudioStream()

  1310 	{

  1311 	return this;

  1312 	}

  1314 MAudioProcessingUnit* CLogicalAudioStream::ProcessingUnit(TUid aType)

  1315 	{

  1316 	// look through our processing units for something of the correct type

  1317 	TInt numProcessingUnits = iAudioProcessingUnits.Count();

  1318 	for (TInt index=0; index < numProcessingUnits; index++)

  1319 		{

  1320 		MAudioProcessingUnit* ptr = iAudioProcessingUnits[index];

  1321 		if (ptr->IsTypeOf(aType))

  1322 			{

  1323 			return ptr;

  1324 			}

  1325 		}

  1326 	return NULL;

  1327 	}

author	sl@SLION-WIN7.fritz.box
	Fri, 15 Jun 2012 03:10:57 +0200
changeset 0	bde4ae8d615e
permissions	-rw-r--r--