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os/mm/devsound/sounddevbt/src/A2dpBlueTooth/server/A2dpBTHeadsetAudioIfServer.cpp
author sl@SLION-WIN7.fritz.box
Fri, 15 Jun 2012 03:10:57 +0200
changeset 0 bde4ae8d615e
permissions -rw-r--r--
First public contribution. 
     1 // Copyright (c) 2005-2009 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 #include <s32mem.h>

    17 #include "A2dpBTHeadsetAudioIfServer.h"

    18 #include "A2dpBTHeadsetAudioIfServerStart.h"

    19 #include "A2dpBTheadsetAudioIf.h"

    20 #include "MMFBtRoutingSoundDevice.h"	// for TRange

    21 

    22 

    23 CA2dpBTHeadsetAudioIfServer* CA2dpBTHeadsetAudioIfServer::NewL()

    24 	{

    25 	CA2dpBTHeadsetAudioIfServer* self = new(ELeave) CA2dpBTHeadsetAudioIfServer();

    26 	CleanupStack::PushL(self);

    27 	self->ConstructL();

    28 	CleanupStack::Pop();

    29 	return self;

    30 	}

    31 	

    32 CA2dpBTHeadsetAudioIfServer::~CA2dpBTHeadsetAudioIfServer()

    33 	{

    34 	delete iBTAudioInterface;

    35 	}

    36 	

    37 CMmfIpcSession* CA2dpBTHeadsetAudioIfServer::NewSessionL(const TVersion &aVersion) const

    38 	{

    39 	TVersion version(	KBTAudioServerMajorVersionNumber,

    40 						KBTAudioServerMinorVersionNumber,

    41 						KBTAudioServerBuildVersionNumber);

    42 

    43 	if(!User::QueryVersionSupported(version, aVersion))

    44 		{

    45 		User::Leave(KErrNotSupported);

    46 		}

    47 	

    48 	CA2dpBTHeadsetAudioIfSession* session = CA2dpBTHeadsetAudioIfSession::NewL(iBTAudioInterface);

    49 	return session;

    50 	}

    51 

    52 CA2dpBTHeadsetAudioIfServer::CA2dpBTHeadsetAudioIfServer() :

    53 							 CMmfIpcServer(EPriorityStandard)

    54 	{

    55 	}

    56 	

    57 void CA2dpBTHeadsetAudioIfServer::ConstructL()

    58 	{

    59 	// Create the interface to the BT headset

    60 	iBTAudioInterface = CA2dpBTHeadsetAudioInterface::NewL();

    61 	

    62 	// Call base class to Start server

    63 	TName name(RThread().Name());

    64 	StartL(name);

    65 	}

    66 

    67 

    68 /*

    69  Session implementation.

    70  */

    71 CA2dpBTHeadsetAudioIfSession* CA2dpBTHeadsetAudioIfSession::NewL( CA2dpBTHeadsetAudioInterface* 

    72 																	aBTAudioInterface)

    73 	{

    74 	CA2dpBTHeadsetAudioIfSession* self = new(ELeave) CA2dpBTHeadsetAudioIfSession(aBTAudioInterface);

    75 	CleanupStack::PushL(self);

    76 	self->ConstructL();

    77 	CleanupStack::Pop(self);

    78 	return self;

    79 	}

    80 	

    81 CA2dpBTHeadsetAudioIfSession::CA2dpBTHeadsetAudioIfSession(CA2dpBTHeadsetAudioInterface* aBTAudioInterface) :

    82 							iBTAudioInterface(aBTAudioInterface)

    83 	{

    84 	}

    85 

    86 void CA2dpBTHeadsetAudioIfSession::ConstructL()

    87 	{

    88 	// Create the AO event handlers

    89 	iInitHandler = CA2dpBTHeadsetIfEventHandler::NewL();

    90 	iOpenDeviceHandler = CA2dpBTHeadsetIfEventHandler::NewL();

    91 	iCloseDeviceHandler = CA2dpBTHeadsetIfEventHandler::NewL();

    92 	iPlayDataHandler = CA2dpBTHeadsetIfEventHandler::NewL();

    93 	iNotifyErrorHandler = CA2dpBTHeadsetIfEventHandler::NewL();

    94 	}

    95 

    96 CA2dpBTHeadsetAudioIfSession::~CA2dpBTHeadsetAudioIfSession()

    97 	{

    98 	delete iInitHandler;

    99 	delete iOpenDeviceHandler;

   100 	delete iCloseDeviceHandler;

   101 	delete iPlayDataHandler;

   102 	delete iNotifyErrorHandler;

   103 	}

   104 	

   105 void CA2dpBTHeadsetAudioIfSession::ServiceL(const RMessage2& aMessage)

   106 	{

   107 	// Service the message

   108 	TBool complete = EFalse;

   109 	TInt err = KErrNone;

   110 	switch(aMessage.Function())

   111 		{

   112 	case EBTAudioServerInitialize:

   113 		complete = DoInitializeL(aMessage);

   114 		break;

   115 	case EBTAudioServerCancelInitialize:

   116 		complete = DoCancelInitializeL(aMessage);

   117 		break;

   118 	case EBTAudioServerCopyFourCCArrayData:

   119 		complete = DoCopyFourCCArrayDataL(aMessage);

   120 		break;

   121 	case EBTAudioServerCopyChannelsArrayData:

   122 		complete = DoCopyChannelsArrayDataL(aMessage);

   123 		break;

   124 	case EBTAudioServerGetSupportedDataTypes:

   125 		err = DoGetSupportedDataTypesL(aMessage);

   126 		aMessage.Complete(err);

   127 		break;

   128 	case EBTAudioServerGetSupportedSampleRates:

   129 		err = DoGetSupportedSampleRatesL(aMessage);

   130 		aMessage.Complete(err);

   131 		break;

   132 	case EBTAudioServerGetSupportedSampleRatesDiscrete:

   133 		complete = DoGetSupportedSampleRatesDiscreteL(aMessage);

   134 		break;

   135 	case EBTAudioServerGetSupportedSampleRatesRange:

   136 		complete = DoGetSupportedSampleRatesRangeL(aMessage);

   137 		break;

   138 	case EBTAudioServerGetSupportedChannels:

   139 		err = DoGetSupportedChannelsL(aMessage);

   140 		aMessage.Complete(err);

   141 		break;

   142 	case EBTAudioServerSetDataType:

   143 		err = DoSetDataTypeL(aMessage);

   144 		aMessage.Complete(err);

   145 		break;

   146 	case EBTAudioServerSetSampleRate:

   147 		err = DoSetSampleRateL(aMessage);

   148 		aMessage.Complete(err);

   149 		break;

   150 	case EBTAudioServerSetChannels:

   151 		err = DoSetChannelsL(aMessage);

   152 		aMessage.Complete(err);

   153 		break;

   154 	case EBTAudioServerOpenDevice:

   155 		complete = DoOpenDeviceL(aMessage);

   156 		break;

   157 	case EBTAudioServerCancelOpenDevice:

   158 		complete = DoCancelOpenDevice(aMessage);

   159 		break;

   160 	case EBTAudioServerCloseDevice:

   161 		complete = DoCloseDeviceL(aMessage);

   162 		break;

   163 	case EBTAudioServerVolume:

   164 		complete = DoVolumeL(aMessage);

   165 		break;

   166 	case EBTAudioServerSetVolume:

   167 		err = DoSetVolumeL(aMessage);

   168 		aMessage.Complete(err);

   169 		break;

   170 	case EBTAudioServerPlayData:

   171 		complete = DoPlayDataL(aMessage);

   172 		break;

   173 	case EBTAudioServerCancelPlayData:

   174 		complete = DoCancelPlayDataL(aMessage);

   175 		break;

   176 	case EBTAudioServerFlushBuffer:

   177 		complete = DoFlushBufferL(aMessage);

   178 		break;

   179 	case EBTAudioServerBytesPlayed:

   180 		complete = DoBytesPlayedL(aMessage);

   181 		break;

   182 	case EBTAudioServerResetBytesPlayed:

   183 		complete = DoResetBytesPlayedL(aMessage);

   184 		break;

   185 	case EBTAudioServerPauseBuffer:

   186 		complete = DoPauseBufferL(aMessage);

   187 		break;

   188 	case EBTAudioServerResumePlaying:

   189 		complete = DoResumePlayingL(aMessage);

   190 		break;

   191 	case EBTAudioServerNotifyError:

   192 		complete = DoNotifyErrorL(aMessage);

   193 		break;

   194 	case EBTAudioServerCancelNotifyError:

   195 		complete = DoCancelNotifyErrorL(aMessage);

   196 		break;

   197 	default:

   198 		User::Leave(KErrNotSupported);

   199 		break;

   200 		}

   201 

   202 	if (complete)

   203 		{

   204 		aMessage.Complete(KErrNone);

   205 		}

   206 	}

   207 

   208 TBool CA2dpBTHeadsetAudioIfSession::DoInitializeL(const RMmfIpcMessage& aMessage)

   209 	{

   210 	// Get the address from the message

   211 	TPckgBuf<TBTDevAddr> btAddrPckg;

   212 	aMessage.ReadL(0, btAddrPckg);

   213 	TBTDevAddr& devAddr = btAddrPckg();

   214 	iInitHandler->StartL(aMessage);

   215 	iBTAudioInterface->Initialize(devAddr, iInitHandler->iStatus);

   216 		

   217 	return EFalse;

   218 	}

   219 

   220 TBool CA2dpBTHeadsetAudioIfSession::DoCancelInitializeL(const RMmfIpcMessage& /*aMessage*/)

   221 	{

   222 	iBTAudioInterface->CancelInitialize();

   223 	iInitHandler->Stop();

   224 	return ETrue;

   225 	}

   226 

   227 TBool CA2dpBTHeadsetAudioIfSession::DoCopyFourCCArrayDataL(const RMmfIpcMessage& aMessage)

   228 	{

   229 	const TInt KBufExpandSize8 = 8;//two TInts

   230 	CBufFlat* dataCopyBuffer = CBufFlat::NewL(KBufExpandSize8);

   231 	CleanupStack::PushL(dataCopyBuffer);

   232 	RBufWriteStream stream;

   233 	stream.Open(*dataCopyBuffer);

   234 	CleanupClosePushL(stream);

   235 	for (TInt i = 0; i < iFourCCArray.Count(); i++)

   236 		{

   237 		stream.WriteInt32L(iFourCCArray[i].FourCC());

   238 		}

   239 	aMessage.WriteL(0, dataCopyBuffer->Ptr(0));

   240 	stream.Close();

   241 	CleanupStack::PopAndDestroy(2);//dataCopyBuffer, stream

   242 	return ETrue;

   243 	}

   244 

   245 TBool CA2dpBTHeadsetAudioIfSession::DoCopyUintArrayDataL(const RMmfIpcMessage& aMessage, RArray<TUint> aArray)

   246 	{

   247 	const TInt KBufExpandSize8 = 8;//two TInts

   248 	CBufFlat* dataCopyBuffer = CBufFlat::NewL(KBufExpandSize8);

   249 	CleanupStack::PushL(dataCopyBuffer);

   250 	RBufWriteStream stream;

   251 	stream.Open(*dataCopyBuffer);

   252 	CleanupClosePushL(stream);

   253 	for (TInt i = 0; i < aArray.Count(); i++)

   254 		{

   255 		stream.WriteInt32L(aArray[i]);

   256 		}

   257 	aMessage.WriteL(0, dataCopyBuffer->Ptr(0));

   258 	stream.Close();

   259 	CleanupStack::PopAndDestroy(2);//dataCopyBuffer, stream	

   260 	return ETrue;

   261 	}

   262 

   263 TInt CA2dpBTHeadsetAudioIfSession::DoGetSupportedDataTypesL(const RMmfIpcMessage& aMessage)

   264 	{

   265 	iFourCCArray.Reset();

   266 

   267 	TInt err = iBTAudioInterface->GetSupportedDataTypes(iFourCCArray);

   268 

   269 	TPckgBuf<TInt> pckg;

   270 	pckg() = iFourCCArray.Count();

   271 	aMessage.WriteL(TInt(0),pckg);	

   272 	

   273 	return err;

   274 	}

   275 

   276 TInt CA2dpBTHeadsetAudioIfSession::DoGetSupportedSampleRatesL(const RMmfIpcMessage& aMessage)

   277 	{

   278 	iDiscreteArray.Reset();

   279 	iRangeArray.Reset();

   280 	

   281 	TInt err = iBTAudioInterface->GetSupportedSampleRates(iDiscreteArray, iRangeArray);

   282 	

   283 	TPckgBuf<TRatesArrayElements> pckg;

   284 	pckg().iDiscrete = iDiscreteArray.Count();

   285 	pckg().iRange = iRangeArray.Count();

   286 	

   287 	aMessage.WriteL(0, pckg);

   288 	

   289 	return err;

   290 	}

   291 

   292 TBool CA2dpBTHeadsetAudioIfSession::DoGetSupportedSampleRatesDiscreteL(const RMmfIpcMessage& aMessage)

   293 	{

   294 	return DoCopyUintArrayDataL(aMessage, iDiscreteArray);

   295 	}

   296 

   297 TBool CA2dpBTHeadsetAudioIfSession::DoGetSupportedSampleRatesRangeL(const RMmfIpcMessage& aMessage)

   298 	{

   299 	const TInt KBufExpandSize8 = 8;//two TInts

   300 	CBufFlat* dataCopyBuffer = CBufFlat::NewL(KBufExpandSize8);

   301 	CleanupStack::PushL(dataCopyBuffer);

   302 	RBufWriteStream stream;

   303 	stream.Open(*dataCopyBuffer);

   304 	CleanupClosePushL(stream);

   305 	for (TInt i = 0; i < iRangeArray.Count(); i++)

   306 		{

   307 		stream.WriteInt32L(iRangeArray[i].iLow);

   308 		stream.WriteInt32L(iRangeArray[i].iHigh);

   309 		}

   310 	aMessage.WriteL(0, dataCopyBuffer->Ptr(0));

   311 	stream.Close();

   312 	CleanupStack::PopAndDestroy(2);//dataCopyBuffer, stream

   313 	return ETrue;

   314 	}

   315 

   316 TInt CA2dpBTHeadsetAudioIfSession::DoGetSupportedChannelsL(const RMmfIpcMessage& aMessage)

   317 	{

   318 	// Array of uints

   319 	iStereoSupportArray.Reset();

   320 	TMMFStereoSupport stereoSupport;

   321 

   322 	TInt err = iBTAudioInterface->GetSupportedChannels(iStereoSupportArray, stereoSupport);

   323 	

   324 	TPckgBuf<TChannelsSupport> pckg;

   325 	pckg().iElementCount = iStereoSupportArray.Count();

   326 	pckg().iSupport = stereoSupport;

   327 	

   328 	aMessage.WriteL(0, pckg);

   329 	

   330 	return err;

   331 	}

   332 

   333 TBool CA2dpBTHeadsetAudioIfSession::DoCopyChannelsArrayDataL(const RMmfIpcMessage& aMessage)

   334 	{

   335 	return DoCopyUintArrayDataL(aMessage, iStereoSupportArray);

   336 	}

   337 

   338 TInt CA2dpBTHeadsetAudioIfSession::DoSetDataTypeL(const RMmfIpcMessage& aMessage)

   339 	{

   340 	TPckgBuf<TFourCC> dataTypePckg;

   341 	aMessage.ReadL(0, dataTypePckg);

   342 	TFourCC dataType = dataTypePckg();

   343 	return iBTAudioInterface->SetDataType(dataType);

   344 	}

   345 

   346 TInt CA2dpBTHeadsetAudioIfSession::DoSetSampleRateL(const RMmfIpcMessage& aMessage)

   347 	{

   348 	TPckgBuf<TUint> ratePckg;

   349 	aMessage.ReadL(0, ratePckg);

   350 	TUint rate = ratePckg();

   351 	return iBTAudioInterface->SetSampleRate(rate);

   352 	}

   353 

   354 TInt CA2dpBTHeadsetAudioIfSession::DoSetChannelsL(const RMmfIpcMessage& aMessage)

   355 	{

   356 	TPckgBuf<TChannelsSupport> pckgBuf;

   357 	aMessage.ReadL(0, pckgBuf);

   358 	TChannelsSupport support = pckgBuf();

   359 	return iBTAudioInterface->SetChannels(support.iElementCount, support.iSupport);

   360 	}

   361 

   362 TBool CA2dpBTHeadsetAudioIfSession::DoOpenDeviceL(const RMmfIpcMessage& aMessage)

   363 	{

   364 	iOpenDeviceHandler->StartL(aMessage);

   365 	iBTAudioInterface->OpenDevice(iOpenDeviceHandler->iStatus);

   366 	return EFalse;

   367 	}

   368 

   369 TBool CA2dpBTHeadsetAudioIfSession::DoCancelOpenDevice(const RMmfIpcMessage& /*aMessage*/)

   370 	{

   371 	iBTAudioInterface->CancelOpenDevice();

   372 	return ETrue;

   373 	}

   374 	

   375 TBool CA2dpBTHeadsetAudioIfSession::DoCloseDeviceL(const RMmfIpcMessage& aMessage)

   376 	{

   377 	iCloseDeviceHandler->StartL(aMessage);

   378 	iBTAudioInterface->CloseDevice(iCloseDeviceHandler->iStatus);

   379 	return EFalse;

   380 	}

   381 

   382 TBool CA2dpBTHeadsetAudioIfSession::DoVolumeL(const RMmfIpcMessage& aMessage)

   383 	{	

   384 	TUint volume = iBTAudioInterface->Volume();

   385 	TPckgBuf<TUint> pckg(volume);

   386 	aMessage.WriteL(0, pckg);

   387 	return ETrue;

   388 	}

   389 

   390 TInt CA2dpBTHeadsetAudioIfSession::DoSetVolumeL(const RMmfIpcMessage& aMessage)

   391 	{

   392 	TPckgBuf<TUint> pckg;

   393 	aMessage.ReadL(0, pckg);

   394 	TUint volume = pckg();

   395 	return iBTAudioInterface->SetVolume(volume);

   396 	}

   397 

   398 TBool CA2dpBTHeadsetAudioIfSession::DoPlayDataL(const RMmfIpcMessage& aMessage)

   399 	{

   400 	// Client's in the same process so access the buffer directly

   401 	const TPtr8* ptr = static_cast<const TPtr8*>(aMessage.Ptr0());

   402 	iPlayDataHandler->StartL(aMessage);

   403 	iBTAudioInterface->PlayData(*ptr, iPlayDataHandler->iStatus);

   404 	return EFalse;

   405 	}

   406 

   407 TBool CA2dpBTHeadsetAudioIfSession::DoCancelPlayDataL(const RMmfIpcMessage& /*aMessage*/)

   408 	{

   409 	iBTAudioInterface->CancelPlayData();

   410 	iPlayDataHandler->Stop();

   411 	return ETrue;

   412 	}

   413 

   414 TBool CA2dpBTHeadsetAudioIfSession::DoFlushBufferL(const RMmfIpcMessage& /*aMessage*/)

   415 	{

   416 	iBTAudioInterface->FlushBuffer();

   417 	return ETrue;

   418 	}

   419 

   420 TBool CA2dpBTHeadsetAudioIfSession::DoBytesPlayedL(const RMmfIpcMessage& aMessage)

   421 	{

   422 	TUint bytesPlayed = iBTAudioInterface->BytesPlayed();

   423 	TPckgBuf<TUint> pckg(bytesPlayed);

   424 	aMessage.WriteL(0, pckg);

   425 	return ETrue;

   426 	}

   427 

   428 TBool CA2dpBTHeadsetAudioIfSession::DoResetBytesPlayedL(const RMmfIpcMessage& /*aMessage*/)

   429 	{

   430 	iBTAudioInterface->ResetBytesPlayed();

   431 	return ETrue;

   432 	}

   433 

   434 TBool CA2dpBTHeadsetAudioIfSession::DoPauseBufferL(const RMmfIpcMessage& /*aMessage*/)

   435 	{

   436 	iBTAudioInterface->PauseBuffer();

   437 	return ETrue;

   438 	}

   439 

   440 TBool CA2dpBTHeadsetAudioIfSession::DoResumePlayingL(const RMmfIpcMessage& /*aMessage*/)

   441 	{

   442 	iBTAudioInterface->ResumePlaying();

   443 	return ETrue;

   444 	}

   445 

   446 TBool CA2dpBTHeadsetAudioIfSession::DoNotifyErrorL(const RMmfIpcMessage& aMessage)

   447 	{

   448 	iNotifyErrorHandler->StartL(aMessage);

   449 	iBTAudioInterface->NotifyError(iNotifyErrorHandler->iStatus);

   450 	return EFalse;

   451 	}

   452 

   453 TBool CA2dpBTHeadsetAudioIfSession::DoCancelNotifyErrorL(const RMmfIpcMessage& /*aMessage*/)

   454 	{

   455 	iBTAudioInterface->CancelNotifyError();

   456 	iNotifyErrorHandler->Stop();

   457 	return ETrue;

   458 	}

   459 

   460 /**

   461  * Implementation of Active Object to handle asynch requests to the Bluetooth interface.

   462  */

   463 CA2dpBTHeadsetIfEventHandler* CA2dpBTHeadsetIfEventHandler::NewL()

   464 	{

   465 	CA2dpBTHeadsetIfEventHandler* self = new(ELeave) CA2dpBTHeadsetIfEventHandler();

   466 	CleanupStack::PushL(self);

   467 	self->ConstructL();

   468 	CleanupStack::Pop(self);

   469 	return self;

   470 	}

   471 	

   472 CA2dpBTHeadsetIfEventHandler::~CA2dpBTHeadsetIfEventHandler()

   473 	{

   474 	Cancel();

   475 	delete iMessage;

   476 	}

   477 

   478 void CA2dpBTHeadsetIfEventHandler::RunL()

   479 	{

   480 	TInt err = iStatus.Int();

   481 	// Complete the message

   482 	iMessage->Complete(err);

   483 	delete iMessage;

   484 	iMessage = NULL;

   485 	}

   486 

   487 void CA2dpBTHeadsetIfEventHandler::DoCancel()

   488 	{

   489 	if (iMessage)

   490 		{

   491 		iMessage->Complete(KErrCancel);		

   492 		}

   493 	}

   494 	

   495 CA2dpBTHeadsetIfEventHandler::CA2dpBTHeadsetIfEventHandler() : CActive(EPriorityStandard)

   496 	{

   497 	CActiveScheduler::Add(this);

   498 	}

   499 

   500 void CA2dpBTHeadsetIfEventHandler::ConstructL()

   501 	{

   502 	}

   503 

   504 void CA2dpBTHeadsetIfEventHandler::StartL(const RMmfIpcMessage& aMessage)

   505 	{

   506 	// take a copy of the message to complete later

   507 	delete iMessage;	// ensure we only have one message!

   508 	iMessage = NULL;

   509 	iMessage = new(ELeave) RMmfIpcMessage(aMessage);

   510 

   511 	if (!IsActive())

   512 		{

   513 		SetActive();

   514 		}

   515 	}

   516 	

   517 void CA2dpBTHeadsetIfEventHandler::Stop()

   518 	{

   519 	Cancel();

   520 	}
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