devsound/a3fdevsound/src/devsoundadaptor/cdevaudio.cpp
changeset 0 b8ed18f6c07b
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     1 // Copyright (c) 2006-2009 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 //
       
    15 
       
    16 
       
    17 
       
    18 #include "cdevaudio.h"
       
    19 #include "cdevaudiocontrol.h"
       
    20 #include "cdevplaycontrol.h"
       
    21 #include "cdevrecordcontrol.h"
       
    22 #include "cdevtonecontrol.h"
       
    23 #include "cdevgencontrol.h"
       
    24 
       
    25 #include <a3f/audioprocessingunittypeuids.h>
       
    26 #include <a3f/devsoundadaptationinfo.h>
       
    27 #include <a3f/a3ffourcclookup.h>
       
    28 #include <a3f/audiocontextfactory.h>
       
    29 #include <a3f/maudioprocessingunit.h>
       
    30 #include <a3f/maudiocontext.h>
       
    31 #include <a3f/mcontexteffectiveclient.h>
       
    32 #include <a3f/maudiostream.h>
       
    33 #include <a3f/maudiocodec.h>
       
    34 #include <a3f/maudiogaincontrol.h>
       
    35 #include <a3f/mbuffersource.h>
       
    36 #include <a3f/mbuffersink.h>
       
    37 
       
    38 #include "mglobalproperties.h"
       
    39 
       
    40 const TInt KMidWayBalance = 50; // 50%
       
    41 const TInt KMaxBalance = 100; // 100%
       
    42 const TInt KLeftChannel = 0;
       
    43 const TInt KRightChannel = 1;
       
    44 
       
    45 
       
    46 // ======== LOCAL FUNCTIONS ========
       
    47 
       
    48 // ======== MEMBER FUNCTIONS ========
       
    49 
       
    50 // ---------------------------------------------------------------------------
       
    51 // Default constructor
       
    52 // ---------------------------------------------------------------------------
       
    53 //
       
    54 CDevAudio::CDevAudio(MDevSoundAdaptationObserver& aAdaptationObserver)
       
    55 	: iAdaptationObserver(aAdaptationObserver), iMode(EMMFStateIdle), 
       
    56 	iActiveState(EDevSoundAdaptorCreated_Uninitialised),
       
    57 	iActiveStreamState(EUninitialized)
       
    58 	{
       
    59 	TRACE_CREATE();
       
    60 	DP_CONTEXT(CDevAudio::CDevAudio *CD1*, CtxDevSound, DPLOCAL);
       
    61 	DP_IN();
       
    62 		
       
    63 	iDevSoundPlayBalance[KLeftChannel] = iDevSoundPlayBalance[KRightChannel] = KMidWayBalance;
       
    64 	iDevSoundRecordBalance[KLeftChannel] = iDevSoundRecordBalance[KRightChannel] = KMidWayBalance;
       
    65 
       
    66 	DP_OUT();
       
    67 	}
       
    68 
       
    69 // ---------------------------------------------------------------------------
       
    70 // Destructor
       
    71 // ---------------------------------------------------------------------------
       
    72 //
       
    73 CDevAudio::~CDevAudio()
       
    74 	{
       
    75 	DP_CONTEXT(CDevAudio::~CDevAudio *CD1*, CtxDevSound, DPLOCAL);
       
    76 	DP_IN();
       
    77 	
       
    78 	delete iAdaptationInfo;
       
    79 	
       
    80 	iSupportedInputFormats.Close();
       
    81 	iSupportedOutputFormats.Close();
       
    82 
       
    83 	// This part is fine at the destructor
       
    84 	// All this is syncronous
       
    85 	if ( iAudioContext )
       
    86 		{
       
    87 		if ( iGainControl )
       
    88 			{
       
    89 			iAudioContext->DeleteAudioProcessingUnit(iGainControl);
       
    90 			}
       
    91 		if ( iAudioSink )
       
    92 			{
       
    93 			iAudioContext->DeleteAudioProcessingUnit(iAudioSink);
       
    94 			}
       
    95 		if ( iAudioCodec )
       
    96 			{
       
    97 			iAudioContext->DeleteAudioProcessingUnit(iAudioCodec);
       
    98 			}
       
    99 		if ( iAudioSource )
       
   100 			{
       
   101 			iAudioContext->DeleteAudioProcessingUnit(iAudioSource);
       
   102 			}
       
   103 		if ( iAudioStream )
       
   104 			{
       
   105 			iAudioContext->DeleteAudioStream(iAudioStream);
       
   106 			}
       
   107 		}
       
   108 
       
   109 	iAudioContextFactory->DeleteAudioContext(iAudioContext);
       
   110 	
       
   111 	if ( iAudioContextFactory )
       
   112 		{
       
   113 		delete iAudioContextFactory;
       
   114 		}
       
   115 
       
   116 	if ( iDevPlayControl )
       
   117 		{
       
   118 		delete iDevPlayControl;
       
   119 		}
       
   120 	if ( iDevRecordControl )
       
   121 		{
       
   122 		delete iDevRecordControl;
       
   123 		}
       
   124 	if ( iDevToneControl )
       
   125 		{
       
   126 		delete iDevToneControl;
       
   127 		}
       
   128 	if ( iDevGenControl )
       
   129 		{
       
   130 		delete iDevGenControl;
       
   131 		}
       
   132 	
       
   133 	DP_OUT();
       
   134 	}
       
   135 
       
   136 // -----------------------------------------------------------------------------
       
   137 // CDevAudio::NewL
       
   138 // Two-phased constructor.
       
   139 // -----------------------------------------------------------------------------
       
   140 //
       
   141 CDevAudio* CDevAudio::NewL(MDevSoundAdaptationObserver& aAdaptationObserver, 
       
   142 									MGlobalProperties& aGlobalProperties)
       
   143 	{
       
   144 	DP_STATIC_CONTEXT(CDevAudio::NewL *CD0*, CtxDevSound, DPLOCAL);
       
   145 	DP_IN();
       
   146 	CDevAudio* self = new (ELeave) CDevAudio(aAdaptationObserver);
       
   147 	CleanupStack::PushL(self);
       
   148 	self->ConstructL(aGlobalProperties);
       
   149 	CleanupStack::Pop(self);
       
   150 	DP0_RET(self, "0x%x");
       
   151 	}
       
   152 
       
   153 
       
   154 // -----------------------------------------------------------------------------
       
   155 // CDevAudio::ConstructL
       
   156 // -----------------------------------------------------------------------------
       
   157 //
       
   158 void CDevAudio::ConstructL(MGlobalProperties& aGlobalProperties)
       
   159 	{
       
   160 	DP_CONTEXT(CDevAudio::ConstructL *CD1*, CtxDevSound, DPLOCAL);
       
   161 	DP_IN();
       
   162 	
       
   163 	iGlobalProperties = &aGlobalProperties;
       
   164 
       
   165 	iAudioContextFactory = CAudioContextFactory::NewL();
       
   166 	
       
   167 	User::LeaveIfError(iAudioContextFactory->CreateAudioContext(iAudioContext));
       
   168 
       
   169 	User::LeaveIfError(iAudioContext->CreateAudioStream(iAudioStream));
       
   170 	
       
   171 	User::LeaveIfError(iAudioContext->CreateAudioProcessingUnit(KUidAudioGainControl, iGainControl));
       
   172 	User::LeaveIfError(iAudioStream->AddGainControl(iGainControl));
       
   173 
       
   174 	iDevPlayControl = CDevPlayControl::NewL(this, iAdaptationObserver);
       
   175 	iDevRecordControl = CDevRecordControl::NewL(this, iAdaptationObserver);
       
   176 	iDevToneControl = CDevToneControl::NewL(this, iAdaptationObserver);
       
   177 	iDevGenControl = CDevGenControl::NewL(this, iAdaptationObserver);
       
   178 	
       
   179 	iAdaptationInfo = CA3FDevSoundAdaptationInfo::NewL(*this, const_cast<CFourCCConvertor&>(iGlobalProperties->GetFourCCConvertor()));
       
   180 
       
   181 	// The generic audio control is the only one receiving the callbacks at this moment
       
   182 	iCurrentAudioControl = static_cast<CDevAudioControl*>(iDevGenControl);
       
   183 	TInt err = iAudioContext->RegisterAudioContextObserver(*iCurrentAudioControl);
       
   184 	if ((err != KErrNone) && (err != KErrAlreadyExists))
       
   185 		{
       
   186 		User::Leave(err);
       
   187 		}
       
   188 	DP_OUT();
       
   189 	}
       
   190 	
       
   191 // -----------------------------------------------------------------------------
       
   192 // CDevAudio::PostOpen
       
   193 // -----------------------------------------------------------------------------
       
   194 //
       
   195 TInt CDevAudio::PostOpen()
       
   196 	{
       
   197 	DP_CONTEXT(CDevAudio::PostOpen *CD1*, CtxDevSound, DPLOCAL);
       
   198 	DP_IN();
       
   199 	ASSERT(iPreOpenState==EPreOpenStateIdle);
       
   200 	TInt err = KErrNone;
       
   201 	
       
   202 	if(iPreOpenState == EPreOpenStateIdle)
       
   203 		{
       
   204 		err = iAdaptationInfo->RequestMaxGain(KUidAudioDecoder);
       
   205 		if (err == KErrNone)
       
   206 			{
       
   207 			iPreOpenState = EPreOpenStateRequestingMaxVolume;
       
   208 			}
       
   209 		}
       
   210 	
       
   211 	DP0_RET(err, "%d");
       
   212 	}
       
   213 	
       
   214 
       
   215 TBool CDevAudio::IsResumeSupported()
       
   216 	{
       
   217 	DP_CONTEXT(CDevAudio::IsResumeSupported *CD1*, CtxDevSound, DPLOCAL);
       
   218 	DP_IN();
       
   219 
       
   220 	TUid codecType(KNullUid);
       
   221 	if(iMode == EMMFStatePlaying || iMode == EMMFStateTonePlaying)
       
   222 		{
       
   223 		codecType = KUidAudioDecoder;
       
   224 		}
       
   225 	else if (iMode == EMMFStateRecording)
       
   226 		{
       
   227 		codecType = KUidAudioEncoder;
       
   228 		}
       
   229 	TBool supported = iAdaptationInfo->IsResumeSupported(codecType, iFormat);
       
   230 
       
   231 	DP0_RET(supported, "%d");
       
   232 	}
       
   233 
       
   234 
       
   235 // -----------------------------------------------------------------------------
       
   236 // CDevAudio::RequestMaxGainComplete
       
   237 // -----------------------------------------------------------------------------
       
   238 //
       
   239 void CDevAudio::RequestMaxGainComplete (TUid __DEBUG_ONLY(aCodecType), TInt aError, TInt aResult)
       
   240 	{
       
   241 	DP_CONTEXT(CDevAudio::RequestMaxGainComplete *CD1*, CtxDevSound, DPLOCAL);
       
   242 	DP_IN();
       
   243 	ASSERT(iPreOpenState==EPreOpenStateRequestingMaxVolume && aCodecType==KUidAudioDecoder||
       
   244 			iPreOpenState==EPreOpenStateRequestingMaxGain && aCodecType==KUidAudioEncoder);
       
   245 
       
   246 	TInt err = aError;
       
   247 	TBool asyncComplete = EFalse;
       
   248 	
       
   249 	if (err == KErrNone)
       
   250 		{
       
   251 		if (iPreOpenState==EPreOpenStateRequestingMaxVolume)
       
   252 			{
       
   253 			iDevSoundMaxVolume = aResult;
       
   254 						
       
   255 			err = SetDevSoundVolume((iDevSoundMaxVolume+1)/2, asyncComplete);
       
   256 
       
   257 			__ASSERT_DEBUG(asyncComplete==EFalse, User::Invariant());
       
   258 			
       
   259 			if(err == KErrNone)
       
   260 				{
       
   261 				// first request - so request max gain
       
   262 				err = iAdaptationInfo->RequestMaxGain(KUidAudioEncoder);
       
   263 				if (err == KErrNone)
       
   264 					{
       
   265 					iPreOpenState = EPreOpenStateRequestingMaxGain;
       
   266 					}
       
   267 				}
       
   268 			}
       
   269 		else if(iPreOpenState==EPreOpenStateRequestingMaxGain)
       
   270 			{
       
   271 			iDevSoundMaxGain = aResult;
       
   272 			
       
   273 			err = SetDevSoundGain((iDevSoundMaxGain+1)/2, asyncComplete);
       
   274 
       
   275 			__ASSERT_DEBUG(asyncComplete==EFalse, User::Invariant());
       
   276 			
       
   277 			if(err == KErrNone)
       
   278 				{
       
   279 				// second request - complete whatever - Ready for Formats
       
   280 				err = iAdaptationInfo->RequestSupportedFormats(KUidAudioDecoder, iSupportedInputFormats);
       
   281 				if (err == KErrNone)
       
   282 					{
       
   283 					iPreOpenState = EPreOpenStateRequestingInputFormats;
       
   284 					}
       
   285 				}
       
   286 			}
       
   287 		}
       
   288 
       
   289 	if (err!=KErrNone)
       
   290 		{
       
   291 		iPreOpenState = EPreOpenStateIdle;
       
   292 		iAdaptationObserver.AsynchronousOperationComplete(err, ETrue);
       
   293 		}
       
   294 	
       
   295 	DP_OUT();
       
   296 	}
       
   297 
       
   298 // -----------------------------------------------------------------------------
       
   299 // CDevAudio::RequestSupportedFormatsComplete
       
   300 // -----------------------------------------------------------------------------
       
   301 //
       
   302 void CDevAudio::RequestSupportedFormatsComplete(TUid __DEBUG_ONLY(aCodecType), TInt aError)
       
   303 	{
       
   304 	DP_CONTEXT(CDevAudio::RequestSupportedFormatsComplete *CD1*, CtxDevSound, DPLOCAL);
       
   305 	DP_IN();
       
   306 	ASSERT(iPreOpenState==EPreOpenStateRequestingInputFormats && aCodecType==KUidAudioDecoder||
       
   307 			iPreOpenState==EPreOpenStateRequestingOutputFormats && aCodecType==KUidAudioEncoder);
       
   308 
       
   309 	TInt err = aError;
       
   310 
       
   311 	if (err == KErrNone)
       
   312 		{
       
   313 		if (iPreOpenState==EPreOpenStateRequestingInputFormats)
       
   314 			{
       
   315 			// first request - so request output formats
       
   316 			err = iAdaptationInfo->RequestSupportedFormats(KUidAudioEncoder, iSupportedOutputFormats);
       
   317 			if (err == KErrNone)
       
   318 				{
       
   319 				iPreOpenState = EPreOpenStateRequestingOutputFormats;
       
   320 				}
       
   321 			}
       
   322 		else
       
   323 			{
       
   324 			ASSERT(iPreOpenState==EPreOpenStateRequestingOutputFormats);
       
   325 			// second request - complete whatever
       
   326 			iPreOpenState = EPreOpenStateIdle;
       
   327 			iAdaptationObserver.AsynchronousOperationComplete(aError, ETrue);
       
   328 			}
       
   329 		}
       
   330 
       
   331 	if (err!=KErrNone)
       
   332 		{
       
   333 		iPreOpenState = EPreOpenStateIdle;
       
   334 		iAdaptationObserver.AsynchronousOperationComplete(err, ETrue);
       
   335 		}
       
   336 	DP_OUT();
       
   337 	}
       
   338 
       
   339 
       
   340 
       
   341 // -----------------------------------------------------------------------------
       
   342 // CDevAudio::Initialize
       
   343 // -----------------------------------------------------------------------------
       
   344 //
       
   345 TInt CDevAudio::Initialize(TUid aFormat, TMMFState aMode)
       
   346 	{
       
   347 	DP_CONTEXT(CDevAudio::Initialize*CD1*, CtxDevSound, DPLOCAL);
       
   348 	DP_IN();
       
   349 	TInt err(KErrNone);
       
   350 
       
   351 	if(iActiveState != EDevSoundAdaptorCreated_Uninitialised &&
       
   352 		iActiveState != EDevSoundAdaptorInitialised_Initialised && 
       
   353 		iActiveState != EDevSoundAdaptorInitialised_Idle &&
       
   354 		iActiveState != EDevSoundAdaptorUnitialised_Uninitialised )
       
   355 		{
       
   356 		DP0_RET(KErrNotReady, "%d");
       
   357 		}
       
   358 
       
   359 	// Reinitialization 
       
   360 	if (iActiveState == EDevSoundAdaptorInitialised_Initialised || 
       
   361 		iActiveState == EDevSoundAdaptorInitialised_Idle)
       
   362 		{
       
   363 		iReinitializing = ETrue;
       
   364 		iTargetFormat = aFormat;
       
   365 		iTargetMode = aMode;
       
   366 		if(iActiveState == EDevSoundAdaptorInitialised_Idle)
       
   367 			{
       
   368 			err = iAudioStream->Unload();
       
   369 			if(err == KErrNone)
       
   370 				{
       
   371 				err = CommitAudioContext();
       
   372 				}
       
   373 			if(err == KErrNone)
       
   374 				{
       
   375 				iActiveState = EDevSoundAdaptorUnloading;
       
   376 				}
       
   377 			}
       
   378 		else
       
   379 			{
       
   380 			err = iCurrentAudioControl->Uninitialize();
       
   381 			}
       
   382 		DP0_RET(err, "%d");
       
   383 		}
       
   384 
       
   385 	// Redo partial initialization after pre-emption clash event in
       
   386 	// EDevSoundAdaptorRemovingProcessingUnits state
       
   387 	if (iActiveState == EDevSoundAdaptorUnitialised_Uninitialised &&
       
   388 			iPreviousState == EDevSoundAdaptorRemovingProcessingUnits)
       
   389 		{
       
   390 		err = iCurrentAudioControl->RemoveProcessingUnits();
       
   391 		DP0_RET(err, "%d");
       
   392 		}
       
   393 
       
   394 	// Delete pUnits if already created
       
   395 	if (iAudioSource)
       
   396 		{
       
   397 		iAudioContext->DeleteAudioProcessingUnit(iAudioSource);
       
   398 		iAudioSource = NULL;
       
   399 		}
       
   400 
       
   401 	if (iAudioSink)
       
   402 		{
       
   403 		iAudioContext->DeleteAudioProcessingUnit(iAudioSink);
       
   404 		iAudioSink = NULL;
       
   405 		}
       
   406 
       
   407 	if (iAudioCodec)
       
   408 		{
       
   409 		iAudioContext->DeleteAudioProcessingUnit(iAudioCodec);
       
   410 		iAudioCodec = NULL;
       
   411 		}
       
   412 
       
   413 	//	Create pUnits and select proper DevSound Adaptor Helper
       
   414 	if (aMode == EMMFStatePlaying)
       
   415 		{
       
   416 		// create correct type sink&source&codec
       
   417 		err = CreateAudioProcessingUnits(KUidMmfBufferSource, KUidAudioDeviceSink, KUidAudioDecoder);
       
   418 		if (err == KErrNone)
       
   419 			{
       
   420 			// Now just the playcontrol should receive the only one receiving events from 
       
   421 			// AudioContext
       
   422 			iAudioContext->UnregisterAudioContextObserver(*iCurrentAudioControl);
       
   423 			iCurrentAudioControl = static_cast<CDevAudioControl*>(iDevPlayControl);
       
   424 			err = iAudioContext->RegisterAudioContextObserver(*iCurrentAudioControl);
       
   425 			}
       
   426 		if ((err != KErrNone) && (err != KErrAlreadyExists))
       
   427 			{
       
   428 			DeleteAudioProcessingUnits();
       
   429 			}
       
   430 		}
       
   431 		
       
   432 	else if (aMode == EMMFStateRecording)
       
   433 		{
       
   434 		// create correct type sink&source&codec
       
   435 		err = CreateAudioProcessingUnits(KUidAudioDeviceSource, KUidMmfBufferSink, KUidAudioEncoder);
       
   436 		if (err == KErrNone)
       
   437 			{
       
   438 			iAudioContext->UnregisterAudioContextObserver(*iCurrentAudioControl);
       
   439 			iCurrentAudioControl = static_cast<CDevAudioControl*>(iDevRecordControl);
       
   440 			err = iAudioContext->RegisterAudioContextObserver(*iCurrentAudioControl);
       
   441 			}
       
   442 		if ((err != KErrNone) && (err != KErrAlreadyExists))
       
   443 			{
       
   444 			DeleteAudioProcessingUnits();
       
   445 			}
       
   446 		}
       
   447 	else if (aMode == EMMFStateTonePlaying)
       
   448 		{
       
   449 		// create correct type sink&source&codec
       
   450 		err = CreateAudioProcessingUnits(KUidMmfBufferSource, KUidAudioDeviceSink, KUidAudioDecoder);
       
   451 		if (err == KErrNone)
       
   452 			{
       
   453 			iAudioContext->UnregisterAudioContextObserver(*iCurrentAudioControl);
       
   454 			iCurrentAudioControl =  static_cast<CDevAudioControl*>(iDevToneControl);
       
   455 			err = iAudioContext->RegisterAudioContextObserver(*iCurrentAudioControl);
       
   456 			}
       
   457 	if ((err != KErrNone) && (err != KErrAlreadyExists))
       
   458 			{
       
   459 			DeleteAudioProcessingUnits();
       
   460 			}
       
   461 		}
       
   462 	else if (aMode == EMMFStateIdle)
       
   463 		{
       
   464 		// Unsure about this
       
   465 		iAudioContext->UnregisterAudioContextObserver(*iCurrentAudioControl);
       
   466 		iCurrentAudioControl =  static_cast<CDevAudioControl*>(iDevGenControl);
       
   467 		err = iAudioContext->RegisterAudioContextObserver(*iCurrentAudioControl);
       
   468 		}
       
   469 	else
       
   470 		{
       
   471 		iCurrentAudioControl = static_cast<CDevAudioControl*>(iDevGenControl);
       
   472 		err = KErrNotSupported;
       
   473 		}
       
   474 
       
   475 	if (err == KErrNone)
       
   476 		{
       
   477 		err = iCurrentAudioControl->Initialize(aFormat);	
       
   478 		}
       
   479 	
       
   480 	if(err == KErrNone)
       
   481 		{
       
   482 		iMode = aMode;
       
   483 		iFormat = aFormat;
       
   484 		}
       
   485 
       
   486 	DP0_RET(err, "%d");
       
   487 	}
       
   488 
       
   489 // -----------------------------------------------------------------------------
       
   490 // CDevAudio::CancelInitialize
       
   491 // -----------------------------------------------------------------------------
       
   492 //
       
   493 TInt CDevAudio::CancelInitialize()
       
   494 	{
       
   495 	DP_CONTEXT(CDevAudio::CancelInitialize *CD1*, CtxDevSound, DPLOCAL);
       
   496 	DP_IN();
       
   497 	TInt err(KErrNone);
       
   498 
       
   499 	// Redo partial cancelling of initialization after pre-emption clash event in
       
   500 	// EDevSoundAdaptorRemovingProcessingUnits state.
       
   501 	if (iActiveState == EDevSoundAdaptorUnitialised_Uninitialised &&
       
   502 			iPreviousState == EDevSoundAdaptorRemovingProcessingUnits)
       
   503 		{
       
   504 		err = iCurrentAudioControl->RemoveProcessingUnits();
       
   505 		DP0_RET(err, "%d");
       
   506 		}
       
   507 	else if(iActiveState != EDevSoundAdaptorInitialised_Initialised)
       
   508 		{
       
   509 		DP0_RET(KErrNotReady, "%d");
       
   510 		}
       
   511 
       
   512 	err = iCurrentAudioControl->Uninitialize();
       
   513 	
       
   514 	DP0_RET(err, "%d");
       
   515 	}
       
   516 
       
   517 // -----------------------------------------------------------------------------
       
   518 // CDevAudio::GetAudioControl
       
   519 // -----------------------------------------------------------------------------
       
   520 //
       
   521 CDevAudioControl* CDevAudio::GetAudioControl()
       
   522 	{
       
   523 	DP_CONTEXT(CDevAudio::GetAudioControl *CD1*, CtxDevSound, DPLOCAL);
       
   524 	DP_IN();
       
   525 	DP_OUT();
       
   526 	return iCurrentAudioControl;
       
   527 	}
       
   528 
       
   529 // -----------------------------------------------------------------------------
       
   530 // CDevAudio::SetPrioritySettings
       
   531 // -----------------------------------------------------------------------------
       
   532 //
       
   533 TInt CDevAudio::SetPrioritySettings(const TMMFPrioritySettings& aPrioritySettings)
       
   534 	{
       
   535 	DP_CONTEXT(CDevAudio::SetPrioritySettings *CD1*, CtxDevSound, DPLOCAL);
       
   536 	DP_IN();
       
   537 	iPrioritySettings.iPriority = aPrioritySettings.iPriority;
       
   538 	iPrioritySettings.iPref = aPrioritySettings.iPref;
       
   539 	iPriorityFlag = ETrue;
       
   540 	DP2(DLINFO, "Priority = 0x%x Preference = 0x%x", iPrioritySettings.iPriority,iPrioritySettings.iPref);
       
   541 	DP0_RET(0, "%d");
       
   542 	}
       
   543 
       
   544 // -----------------------------------------------------------------------------
       
   545 // CDevAudio::GetPrioritySettings
       
   546 // -----------------------------------------------------------------------------
       
   547 //
       
   548 void CDevAudio::GetPrioritySettings(TAudioTypeSettings& aPrioritySettings)
       
   549 	{
       
   550 	aPrioritySettings = iPrioritySettings;
       
   551 	}
       
   552 // -----------------------------------------------------------------------------
       
   553 // CDevAudio::IsPrioritySet
       
   554 // -----------------------------------------------------------------------------
       
   555 //
       
   556 TBool CDevAudio::IsPrioritySet()
       
   557 	{
       
   558 	return iPriorityFlag;
       
   559 	}
       
   560 
       
   561 // -----------------------------------------------------------------------------
       
   562 // CDevAudio::SetClientConfig
       
   563 // -----------------------------------------------------------------------------
       
   564 //
       
   565 TInt CDevAudio::SetClientConfig(const TProcessId& aProcessId)
       
   566 	{
       
   567 	DP_CONTEXT(CDevAudio::SetClientConfig *CD1*, CtxDevSound, DPLOCAL);
       
   568 	DP_IN();
       
   569 	// TODO: Check if the TClientContextSettings atributte go back since 
       
   570 	// if not there is no way to send the vendor id
       
   571 	TClientContextSettings context;
       
   572 	context.iProcessId = aProcessId;
       
   573 	TInt err = iAudioContext->SetClientSettings(context);
       
   574 	if (err != KErrNone)
       
   575 		{
       
   576 		DP1(DLERR, "Error %d setting client context!",err);
       
   577 		}
       
   578 	DP0_RET(err, "%d");
       
   579 	}
       
   580 
       
   581 TInt CDevAudio::SetClientConfig(const TProcessId& aActualProcessId, const TProcessId& aProcessId)
       
   582 	{
       
   583 	DP_CONTEXT(CDevAudio::SetClientConfig *CD1*, CtxDevSound, DPLOCAL);
       
   584 	DP_IN();
       
   585 	
       
   586 	MContextSetEffectiveClient* setEffectiveClient
       
   587         = static_cast<MContextSetEffectiveClient*>(iAudioContext->Interface(KSetClientInfoUid));
       
   588 	
       
   589 	TInt err;
       
   590 	
       
   591 	if (!setEffectiveClient)
       
   592 	    {
       
   593         DP0(DLINFO, "MContextSetEffectiveClient not supported, revert to old behaviour of just passing actual client info");
       
   594         err = SetClientConfig(aActualProcessId);
       
   595 	    }
       
   596 	else
       
   597 	    {
       
   598         TClientContextSettings context;
       
   599         context.iProcessId = aProcessId;
       
   600         err = iAudioContext->SetClientSettings(context);
       
   601         if (err != KErrNone)
       
   602             {
       
   603             DP1(DLERR, "Error %d setting client context!",err);
       
   604             }
       
   605         if (!err)
       
   606             {
       
   607             err = setEffectiveClient->SetEffectiveClientInfo(aActualProcessId);
       
   608             if (err != KErrNone)
       
   609                 {
       
   610                 DP1(DLERR, "Error %d setting effective client context!",err);
       
   611                 }
       
   612             }
       
   613 	    }
       
   614 
       
   615 	DP0_RET(err, "%d");
       
   616 	}
       
   617 
       
   618 
       
   619 void CDevAudio::ContextEvent(TUid /*aEvent*/, TInt /*aError*/)
       
   620 	{
       
   621 	DP_CONTEXT(CDevAudio::ContextEvent *CD1*, CtxDevSound, DPLOCAL);
       
   622 	DP_IN();
       
   623 	DP_OUT();
       
   624 	}
       
   625 
       
   626 // -----------------------------------------------------------------------------
       
   627 // CDevAudio::ActiveState
       
   628 // -----------------------------------------------------------------------------
       
   629 //
       
   630 TDevSoundAdaptorState CDevAudio::ActiveState() const
       
   631 	{
       
   632 	DP_CONTEXT(CDevAudio::ActiveState *CD1*, CtxDevSound, DPLOCAL);
       
   633 	DP_IN();
       
   634 	DP0_RET(iActiveState, "%d");
       
   635 	}
       
   636 
       
   637 // -----------------------------------------------------------------------------
       
   638 // CDevAudio::ActiveState
       
   639 // -----------------------------------------------------------------------------
       
   640 //
       
   641 TDevSoundAdaptorState CDevAudio::PreviousState() const
       
   642 	{
       
   643 	DP_CONTEXT(CDevAudio::PreviousState *CD1*, CtxDevSound, DPLOCAL);
       
   644 	DP_IN();
       
   645 	DP0_RET(iPreviousState, "%d");
       
   646 	}
       
   647 
       
   648 // -----------------------------------------------------------------------------
       
   649 // CDevAudio::SetActiveState
       
   650 // -----------------------------------------------------------------------------
       
   651 //
       
   652 void CDevAudio::SetActiveState(TDevSoundAdaptorState aAdaptorState)
       
   653 	{
       
   654 	DP_CONTEXT(CDevAudio::SetActiveState *CD1*, CtxDevSound, DPLOCAL);
       
   655 	DP_IN();
       
   656 	iActiveState = aAdaptorState;
       
   657 	DP_OUT();
       
   658 	}
       
   659 
       
   660 // -----------------------------------------------------------------------------
       
   661 // CDevAudio::SetPreviousState
       
   662 // -----------------------------------------------------------------------------
       
   663 //
       
   664 void CDevAudio::SetPreviousState(TDevSoundAdaptorState aAdaptorState)
       
   665 	{
       
   666 	DP_CONTEXT(CDevAudio::SetPreviousState *CD1*, CtxDevSound, DPLOCAL);
       
   667 	DP_IN();
       
   668 	iPreviousState = aAdaptorState;
       
   669 	DP_OUT();
       
   670 	}
       
   671 
       
   672 // -----------------------------------------------------------------------------
       
   673 // CDevAudio::SetDevSoundVolume
       
   674 // -----------------------------------------------------------------------------
       
   675 //
       
   676 TInt CDevAudio::SetDevSoundVolume(TInt aVolume, TBool& aAsyncComplete)
       
   677 	{
       
   678 	DP_CONTEXT(CDevAudio::SetDevSoundVolume *CD1*, CtxDevSound, DPLOCAL);
       
   679 	DP_IN();
       
   680 
       
   681 	// Values are clipped between 0 and MaxGain. 
       
   682 	// because MAudioGainControl expects this to be done
       
   683 	TInt volume = aVolume;
       
   684 	if (volume < 0)
       
   685 		{
       
   686 		volume = 0;
       
   687 		}
       
   688 	else if (volume > iDevSoundMaxVolume)
       
   689 		{
       
   690 		volume = iDevSoundMaxVolume;
       
   691 		}
       
   692 	iDevSoundVolume = volume;
       
   693 	
       
   694 	TInt error = SetGainAndBalance(EFalse, aAsyncComplete);
       
   695 
       
   696 	DP0_RET(error, "%d");
       
   697 	}
       
   698 
       
   699 
       
   700 // -----------------------------------------------------------------------------
       
   701 // CDevAudio::SetDevSoundGain
       
   702 // -----------------------------------------------------------------------------
       
   703 //
       
   704 TInt CDevAudio::SetDevSoundGain(TInt aGain, TBool& aAsyncComplete)
       
   705 	{
       
   706 	DP_CONTEXT(CDevAudio::SetDevSoundGain *CD1*, CtxDevSound, DPLOCAL);
       
   707 	DP_IN();
       
   708 
       
   709 	// Values are clipped between 0 and MaxGain. 
       
   710 	// because MAudioGainControl expects this to be done
       
   711 	TInt gain = aGain;
       
   712 	if (gain < 0)
       
   713 		{
       
   714 		gain = 0;
       
   715 		}
       
   716 	else if (gain > iDevSoundMaxGain)
       
   717 		{
       
   718 		gain = iDevSoundMaxGain;
       
   719 		}
       
   720 	iDevSoundGain = gain;
       
   721 
       
   722 	TInt error = SetGainAndBalance(EFalse, aAsyncComplete);
       
   723 
       
   724 	DP0_RET(error, "%d");
       
   725 	}
       
   726 
       
   727 // -----------------------------------------------------------------------------
       
   728 // CDevAudio::SetDevSoundPlayBalance
       
   729 // -----------------------------------------------------------------------------
       
   730 //
       
   731 TInt CDevAudio::SetDevSoundPlayBalance(TInt aLeftBalance, TInt aRightBalance, TBool& aAsyncComplete)
       
   732 	{
       
   733 	DP_CONTEXT(CDevAudio::SetDevSoundPlayBalance *CD1*, CtxDevSound, DPLOCAL);
       
   734 	DP_IN();
       
   735 	
       
   736 	// Clipping values
       
   737 	TInt left = aLeftBalance;
       
   738 	if (left < 0)
       
   739 		{
       
   740 		left = 0;
       
   741 		}
       
   742 	else if (left > KMaxBalance)
       
   743 		{
       
   744 		left = KMaxBalance;
       
   745 		}
       
   746 	TInt right = aRightBalance;
       
   747 	if (right < 0)
       
   748 		{
       
   749 		right = 0;
       
   750 		}
       
   751 	else if (right > KMaxBalance)
       
   752 		{
       
   753 		right = KMaxBalance;
       
   754 		}
       
   755 	iDevSoundPlayBalance[KLeftChannel] = left;
       
   756 	iDevSoundPlayBalance[KRightChannel] = right;
       
   757 
       
   758 	TInt error = SetGainAndBalance(EFalse, aAsyncComplete);
       
   759 
       
   760 	DP0_RET(error, "%d");
       
   761 	}
       
   762 
       
   763 // -----------------------------------------------------------------------------
       
   764 // CDevAudio::SetDevSoundRecordBalance
       
   765 // -----------------------------------------------------------------------------
       
   766 //
       
   767 TInt CDevAudio::SetDevSoundRecordBalance(TInt aLeftBalance, TInt aRightBalance, TBool& aAsyncComplete)
       
   768 	{
       
   769 	DP_CONTEXT(CDevAudio::SetDevSoundRecordBalance *CD1*, CtxDevSound, DPLOCAL);
       
   770 	DP_IN();
       
   771 
       
   772 	// Clipping values	
       
   773 	TInt left = aLeftBalance;
       
   774 	if (left < 0)
       
   775 		{
       
   776 		left = 0;
       
   777 		}
       
   778 	else if (left > KMaxBalance)
       
   779 		{
       
   780 		left = KMaxBalance;
       
   781 		}
       
   782 	TInt right = aRightBalance;
       
   783 	if (right < 0)
       
   784 		{
       
   785 		right = 0;
       
   786 		}
       
   787 	else if (right > KMaxBalance)
       
   788 		{
       
   789 		right = KMaxBalance;
       
   790 		}
       
   791 	iDevSoundRecordBalance[KLeftChannel] = left;
       
   792 	iDevSoundRecordBalance[KRightChannel] = right;
       
   793 
       
   794 	TInt error = SetGainAndBalance(EFalse, aAsyncComplete);
       
   795 
       
   796 	DP0_RET(error, "%d");
       
   797 	}
       
   798 
       
   799 
       
   800 // -----------------------------------------------------------------------------
       
   801 // CDevAudio::SetVolumeRamp
       
   802 // -----------------------------------------------------------------------------
       
   803 //
       
   804 TInt CDevAudio::SetVolumeRamp(const TTimeIntervalMicroSeconds& aRampDuration)
       
   805 	{
       
   806 	DP_CONTEXT(CDevAudioControl::SetVolumeRamp *CD1*, CtxDevSound, DPLOCAL);
       
   807 	DP_IN();
       
   808 
       
   809 	iRampDuration = aRampDuration;
       
   810 	
       
   811 	DP0_RET(KErrNone,"%d");
       
   812 	}
       
   813 
       
   814 // -----------------------------------------------------------------------------
       
   815 // CDevAudio::RequestGainAndBalance
       
   816 // -----------------------------------------------------------------------------
       
   817 //
       
   818 TInt CDevAudio::RequestGainAndBalance(CDevAudioControl* aCallingControl)
       
   819 	{
       
   820 	DP_CONTEXT(CDevAudio::RequestGainAndBalance *CD1*, CtxDevSound, DPLOCAL);
       
   821 	DP_IN();
       
   822 	
       
   823 	TInt error = KErrNone;
       
   824 	if (aCallingControl != iCurrentAudioControl)
       
   825 		{
       
   826 		error = KErrNotReady;
       
   827 		}
       
   828 	else
       
   829 		{
       
   830 		TBool dummy;
       
   831 		error = SetGainAndBalance(ETrue, dummy);
       
   832 		}
       
   833 	DP0_RET(error, "%d");
       
   834 	}
       
   835 	
       
   836 // -----------------------------------------------------------------------------
       
   837 // CDevAudio::SetGainAndBalance
       
   838 // -----------------------------------------------------------------------------
       
   839 //
       
   840 TInt CDevAudio::SetGainAndBalance(TBool aBecomingActive, TBool& aAsyncComplete)
       
   841 	{
       
   842 	DP_CONTEXT(CDevAudio::SetGainAndBalance *CD1*, CtxDevSound, DPLOCAL);
       
   843 	DP_IN();
       
   844 	
       
   845 	TInt error = KErrNone;
       
   846 	aAsyncComplete = EFalse; // let's assume this - makes logic easier below
       
   847 	// Apply cached settings. 
       
   848 	// If aBecomingActive is true it indicates this call is doing before the MAudioStream::Activate() transition, 
       
   849 	// so if required will apply volume ramp and won't itself generate a Commit() call. 
       
   850 	// Otherwise, when Active, the calls made here will generate a Commit() 
       
   851 	// and aAsyncComplete is returned true unless the SetGain() call fails
       
   852 	if (aBecomingActive || iActiveState == EDevSoundAdaptorActive_Active) 
       
   853 		{
       
   854 		if (iCurrentAudioControl==iDevRecordControl)
       
   855 			{
       
   856 			// TODO assumes we are not mid Commit cycle
       
   857 			// we are recing, need to change current volume at A3F layer
       
   858 			error = iCurrentAudioControl->SetGains(iDevSoundGain, iDevSoundMaxGain, iDevSoundRecordBalance, 0, aBecomingActive);
       
   859 			if (error==KErrNone)
       
   860 				{
       
   861 				aAsyncComplete = ETrue;
       
   862 				}
       
   863 			}
       
   864 		else if (iCurrentAudioControl==iDevPlayControl || iCurrentAudioControl==iDevToneControl)
       
   865 			{
       
   866 			// TODO assumes we are not mid Commit cycle
       
   867 			// we are playing, need to change current volume at A3F layer
       
   868 			error = iCurrentAudioControl->SetGains(iDevSoundVolume, iDevSoundMaxVolume, iDevSoundPlayBalance, iRampDuration, aBecomingActive);
       
   869 			if (error==KErrNone)
       
   870 				{
       
   871 				aAsyncComplete = ETrue;
       
   872 				}
       
   873 			}
       
   874 		
       
   875 		} 
       
   876 
       
   877 		
       
   878 	DP0_RET(error, "%d");	
       
   879 	}
       
   880 
       
   881 // -----------------------------------------------------------------------------
       
   882 // CDevAudio::GetDevSoundPlayBalance
       
   883 // -----------------------------------------------------------------------------
       
   884 //
       
   885 void CDevAudio::GetDevSoundPlayBalance(TInt& aLeftBalance, TInt& aRightBalance)
       
   886 	{
       
   887 	DP_CONTEXT(CDevAudio::GetDevSoundPlayBalance *CD1*, CtxDevSound, DPLOCAL);
       
   888 	DP_IN();
       
   889 	aLeftBalance = iDevSoundPlayBalance[KLeftChannel];
       
   890 	aRightBalance = iDevSoundPlayBalance[KRightChannel];
       
   891 	DP_OUT();
       
   892 	}
       
   893 	
       
   894 
       
   895 // -----------------------------------------------------------------------------
       
   896 // CDevAudio::GetDevSoundRecordBalance
       
   897 // -----------------------------------------------------------------------------
       
   898 //
       
   899 void CDevAudio::GetDevSoundRecordBalance(TInt& aLeftBalance, TInt& aRightBalance)
       
   900 	{
       
   901 	DP_CONTEXT(CDevAudio::GetDevSoundRecordBalance *CD1*, CtxDevSound, DPLOCAL);
       
   902 	DP_IN();
       
   903 	aLeftBalance = iDevSoundRecordBalance[KLeftChannel];
       
   904 	aRightBalance = iDevSoundRecordBalance[KRightChannel];
       
   905 	DP_OUT();
       
   906 	}
       
   907 
       
   908 // -----------------------------------------------------------------------------
       
   909 // CDevAudio::DevSoundSupportedDataTypesL
       
   910 // -----------------------------------------------------------------------------
       
   911 //
       
   912 void CDevAudio::DevSoundSupportedDataTypesL(RArray<TFourCC>& aSupportedDataTypes, TUint aDataType)
       
   913 	{
       
   914 	DP_CONTEXT(CDevAudio::DevSoundSupportedDataTypesL *CD1*, CtxDevSound, DPLOCAL);
       
   915 	DP_IN();
       
   916 	
       
   917 	//Clear any existing data
       
   918 	aSupportedDataTypes.Reset();
       
   919 	
       
   920 	if(aDataType == KDataForPlay)
       
   921 		{
       
   922 		ConvertToFourCcL(aSupportedDataTypes, iSupportedInputFormats);
       
   923 		}
       
   924 	else if(aDataType == KDataForRecord)
       
   925 		{
       
   926 		ConvertToFourCcL(aSupportedDataTypes, iSupportedOutputFormats);
       
   927 		}
       
   928 	
       
   929 	DP_OUT();
       
   930 	}
       
   931 	
       
   932 // -----------------------------------------------------------------------------
       
   933 // CDevAudio::ConvertToFourCcL
       
   934 // -----------------------------------------------------------------------------
       
   935 //
       
   936 void CDevAudio::ConvertToFourCcL(RArray<TFourCC>& aSupportedDataTypes, RArray<TUid>& aSupportedFormats)
       
   937 	{
       
   938 	DP_CONTEXT(CDevAudio::ConvertToFourCcL *CD1*, CtxDevSound, DPLOCAL);
       
   939 	DP_IN();
       
   940 	
       
   941 	if(aSupportedFormats.Count() > 0)
       
   942 		{
       
   943 		TFourCC fourCC;
       
   944 		
       
   945 		for(TInt element=0; element<aSupportedFormats.Count(); element++)
       
   946 			{		
       
   947 			User::LeaveIfError(const_cast<CFourCCConvertor&>(iGlobalProperties->GetFourCCConvertor()).FormatToFourCC(aSupportedFormats[element],fourCC));
       
   948 			aSupportedDataTypes.AppendL(fourCC);	
       
   949 			}
       
   950 		}
       
   951 	DP_OUT();
       
   952 	}
       
   953 
       
   954 
       
   955 // -----------------------------------------------------------------------------
       
   956 // CDevAudio::CreateAudioProcessingUnits
       
   957 // -----------------------------------------------------------------------------
       
   958 //
       
   959 TInt CDevAudio::CreateAudioProcessingUnits(TUid aSource, TUid aSink, TUid aCodec)
       
   960 	{
       
   961 	DP_CONTEXT(CDevAudio::CreateAudioProcessingUnits *CD1*, CtxDevSound, DPLOCAL);
       
   962 	DP_IN();
       
   963 	TInt err = iAudioContext->CreateAudioProcessingUnit(aSource, iAudioSource);
       
   964 	if(err != KErrNone)
       
   965 		{
       
   966 		DP0_RET(err,"Audio source creation failed!");
       
   967 		}
       
   968 	err = iAudioContext->CreateAudioProcessingUnit(aSink, iAudioSink);
       
   969 	if(err != KErrNone)
       
   970 		{
       
   971 		DP0_RET(err,"Audio sink creation failed!");
       
   972 		}
       
   973 	err = iAudioContext->CreateAudioProcessingUnit(aCodec, iAudioCodec);
       
   974 	if(err != KErrNone)
       
   975 		{
       
   976 		DP0_RET(err,"Audio codec creation failed!");
       
   977 		}
       
   978 
       
   979 	DP0_RET(err,"");
       
   980 	}
       
   981 
       
   982 // -----------------------------------------------------------------------------
       
   983 // CDevAudio::DeleteAudioProcessingUnits
       
   984 // -----------------------------------------------------------------------------
       
   985 //
       
   986 void CDevAudio::DeleteAudioProcessingUnits()
       
   987 	{
       
   988 	DP_CONTEXT(CDevAudio::DeleteAudioProcessingUnits *CD1*, CtxDevSound, DPLOCAL);
       
   989 	DP_IN();
       
   990 	if (iAudioSource)
       
   991 		{
       
   992 		iAudioContext->DeleteAudioProcessingUnit(iAudioSource);
       
   993 		iAudioSource = NULL;
       
   994 		}
       
   995 	if (iAudioSink)
       
   996 		{
       
   997 		iAudioContext->DeleteAudioProcessingUnit(iAudioSink);
       
   998 		iAudioSink = NULL;
       
   999 		}
       
  1000 	if (iAudioCodec)
       
  1001 		{
       
  1002 		iAudioContext->DeleteAudioProcessingUnit(iAudioCodec);
       
  1003 		iAudioCodec = NULL;
       
  1004 		}
       
  1005 	DP_OUT();
       
  1006 	}
       
  1007 
       
  1008 TInt CDevAudio::CommitAudioContext()
       
  1009 	{
       
  1010 	DP_CONTEXT(CDevAudio::CommitAudioContext *CD1*, CtxDevSound, DPLOCAL);
       
  1011 	DP_IN();
       
  1012 
       
  1013 	//If we are in mid state then Panic as DevSound server-side session (CMMFDevSoundSession) is not blocking properly
       
  1014 	__ASSERT_DEBUG(!IsMidState(iActiveState), Panic(EValidStateBeforeCommit));
       
  1015 
       
  1016 	TInt err = KErrNone;
       
  1017 	iPreviousState = iActiveState;
       
  1018 	err = iAudioContext->Commit();
       
  1019 
       
  1020 	DP0_RET(err,"%d");
       
  1021 	}
       
  1022 
       
  1023 TBool CDevAudio::IsMidState(TDevSoundAdaptorState aAdaptorState)
       
  1024 	{
       
  1025 	DP_CONTEXT(CDevAudio::IsMidState *CD1*, CtxDevSound, DPLOCAL);
       
  1026 	DP_IN();
       
  1027 	if (aAdaptorState == EDevSoundAdaptorRemovingProcessingUnits || aAdaptorState == EDevSoundAdaptorUninitialising ||
       
  1028 			aAdaptorState == EDevSoundAdaptorInitialising || aAdaptorState == EDevSoundAdaptorLoading ||
       
  1029 			aAdaptorState == EDevSoundAdaptorUnloading || aAdaptorState == EDevSoundAdaptorStopping ||
       
  1030 			aAdaptorState == EDevSoundAdaptorActivating || aAdaptorState == EDevSoundAdaptorPausing)
       
  1031 		{
       
  1032 		DP0_RET(ETrue,"%d");
       
  1033 		}
       
  1034 	DP0_RET(EFalse,"%d");
       
  1035 	}
       
  1036 
       
  1037 // -----------------------------------------------------------------------------
       
  1038 // From MA3FDevSoundAutoPauseResume
       
  1039 // CDevAudio::RegisterAsClient
       
  1040 // -----------------------------------------------------------------------------
       
  1041 //
       
  1042 TInt CDevAudio::RegisterAsClient(TUid aEventType, const TDesC8& aNotificationRegistrationData)
       
  1043 	{
       
  1044 	DP_CONTEXT(CDevAudio::RegisterAsClient *CD1*, CtxDevSound, DPLOCAL);
       
  1045 	DP_IN();
       
  1046 	TInt err = KErrNotSupported;
       
  1047 	MA3FDevSoundAutoPauseResume* iAPR =  static_cast<MA3FDevSoundAutoPauseResume*>(iAudioContext->Interface(KUIdAudioResourceNotification));
       
  1048 	if(iAPR)
       
  1049 		{
       
  1050 		err = iAPR->RegisterAsClient(aEventType, aNotificationRegistrationData, this);
       
  1051 		}
       
  1052 	DP0_RET(err, "%d");	
       
  1053 	}
       
  1054 	
       
  1055 
       
  1056 // -----------------------------------------------------------------------------
       
  1057 // CDevAudio::CancelRegisterAsClient
       
  1058 // -----------------------------------------------------------------------------
       
  1059 //
       
  1060 TInt CDevAudio::CancelRegisterAsClient(TUid aEventType)
       
  1061 	{
       
  1062 	DP_CONTEXT(CDevAudio::CancelRegisterAsClient *CD1*, CtxDevSound, DPLOCAL);
       
  1063 	DP_IN();
       
  1064 	TInt err = KErrNotSupported;
       
  1065 	MA3FDevSoundAutoPauseResume* iAPR =  static_cast<MA3FDevSoundAutoPauseResume*>(iAudioContext->Interface(KUIdAudioResourceNotification));
       
  1066 	if(iAPR)
       
  1067 		{
       
  1068 		err = iAPR->CancelRegisterAsClient(aEventType);
       
  1069 		}
       
  1070 	DP0_RET(err, "%d");	
       
  1071 	}
       
  1072 
       
  1073 
       
  1074 // -----------------------------------------------------------------------------
       
  1075 // CDevAudio::WillResumePlay
       
  1076 // -----------------------------------------------------------------------------
       
  1077 //
       
  1078 TInt CDevAudio::WillResumePlay()
       
  1079 	{
       
  1080 	DP_CONTEXT(CDevAudio::WillResumePlay *CD1*, CtxDevSound, DPLOCAL);
       
  1081 	DP_IN();
       
  1082 	TInt err = KErrNotSupported;
       
  1083 	MA3FDevSoundAutoPauseResume* iAPR =  static_cast<MA3FDevSoundAutoPauseResume*>(iAudioContext->Interface(KUIdAudioResourceNotification));
       
  1084 	if(iAPR)
       
  1085 		{
       
  1086 		err = iAPR->WillResumePlay();
       
  1087 		}
       
  1088 	DP0_RET(err, "%d");	
       
  1089 	}
       
  1090 
       
  1091 
       
  1092 // -----------------------------------------------------------------------------
       
  1093 // CDevAudio::NotifyResume
       
  1094 // -----------------------------------------------------------------------------
       
  1095 //
       
  1096 void CDevAudio::NotifyResume()
       
  1097 	{
       
  1098 	DP_CONTEXT(CDevAudio::NotifyResume *CD1*, CtxDevSound, DPLOCAL);
       
  1099 	DP_IN();
       
  1100 	iAdaptationObserver.CallbackFromAdaptorReceived(KCallbackAutoPauseResume, KErrNone);
       
  1101 	DP_OUT();
       
  1102 	}
       
  1103 
       
  1104 void CDevAudio::Panic(TMMFDevAudioPanicCodes aCode)
       
  1105 	{
       
  1106 	User::Panic(KMMFDevAudioPanicCategory, aCode);
       
  1107 	}
       
  1108 
       
  1109 // End of file