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os/mm/mmhais/refacladapt/src/audiogaincontrol/audiogaincontrol.cpp
author sl
Tue, 10 Jun 2014 14:32:02 +0200
changeset 1 260cb5ec6c19
permissions -rw-r--r--
Update contrib. 
     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 "audiogaincontrol.h"

    19 #include <a3f/audioprocessingunittypeuids.h>

    20 

    21 // ======== LOCAL FUNCTIONS ========

    22 void Panic(TInt aPanicCode)

    23 	{

    24 	_LIT(KAudioGainControlPanicCategory, "audiogaincontrol");

    25 	User::Panic(KAudioGainControlPanicCategory, aPanicCode);

    26 	}

    27 

    28 // ======== MEMBER FUNCTIONS ========

    29 

    30 // ---------------------------------------------------------------------------

    31 // Constructor

    32 // ---------------------------------------------------------------------------

    33 CAudioGainControl::CAudioGainControl()

    34 	{

    35 	TRACE_CREATE();

    36 	DP_CONTEXT(CAudioGainControl::CAudioGainControl *CD1*, CtxDevSound, DPLOCAL);

    37 	DP_IN();

    38 	DP_OUT();

    39 	}

    40 

    41 // ---------------------------------------------------------------------------

    42 // Factory method

    43 // ---------------------------------------------------------------------------

    44 EXPORT_C CAudioGainControl* CAudioGainControl::NewL()

    45 	{

    46 	DP_STATIC_CONTEXT(CAudioGainControl::NewL *CD0*, CtxDevSound, DPLOCAL);

    47 	DP_IN();

    48 	CAudioGainControl* self = new(ELeave)CAudioGainControl();

    49 	CleanupStack::PushL(self);

    50 	self->ConstructL();

    51 	CleanupStack::Pop(self);

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

    53 	}

    54 

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

    56 // Second phase constructor

    57 // ---------------------------------------------------------------------------

    58 void CAudioGainControl::ConstructL()

    59 	{

    60 	DP_CONTEXT(CAudioGainControl::ConstructL *CD1*, CtxDevSound, DPLOCAL);

    61 	DP_IN();

    62 	DP_OUT();

    63 	}

    64 

    65 // ---------------------------------------------------------------------------

    66 // Destructor

    67 // ---------------------------------------------------------------------------

    68 CAudioGainControl::~CAudioGainControl()

    69 	{

    70 	DP_CONTEXT(CAudioGainControl::~CAudioGainControl *CD1*, CtxDevSound, DPLOCAL);

    71 	DP_IN();

    72 	iGainObservers.Close();

    73 	DP_OUT();

    74 	}

    75 

    76 EXPORT_C void CAudioGainControl::SetHelper(MGainHelper &aHelper)

    77 	{

    78 	iHelper = &aHelper;

    79 	}

    80 // ---------------------------------------------------------------------------

    81 // CAudioGainControl::IssueGainChangedCallBack

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

    83 EXPORT_C void CAudioGainControl::IssueGainChangedCallBack(TInt aError)

    84 	{

    85 	DP_CONTEXT(CAudioGainControl::IssueGainChangedCallBack *CD1*, CtxDevSound, DPLOCAL);

    86 	DP_IN();

    87 	TUint count = iGainObservers.Count();

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

    89 		{

    90 		iGainObservers[i]->GainChanged(*this, aError);

    91 		}

    92 	DP_OUT();

    93 	}

    94 

    95 // ---------------------------------------------------------------------------

    96 // CAudioGainControl::IssueMaxGainChangedCallBack

    97 // ---------------------------------------------------------------------------

    98 void CAudioGainControl::IssueMaxGainChangedCallBack()

    99 	{

   100 	DP_CONTEXT(CAudioGainControl::IssueMaxGainChangedCallBack *CD1*, CtxDevSound, DPLOCAL);

   101 	DP_IN();

   102 	TUint count = iGainObservers.Count();

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

   104 		{

   105 		iGainObservers[i]->MaxGainChanged(*this);

   106 		}

   107 	DP_OUT();

   108 	}

   109 

   110 // ---------------------------------------------------------------------------

   111 // CAudioGainControl::IssueMaxRampTimeGainChangedCallBack

   112 // ---------------------------------------------------------------------------

   113 void CAudioGainControl::IssueMaxRampTimeChangedCallBack()

   114 	{

   115 	DP_CONTEXT(CAudioGainControl::IssueMaxRampTimeChangedCallBack *CD1*, CtxDevSound, DPLOCAL);

   116 	DP_IN();

   117 	TUint count = iGainObservers.Count();

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

   119 		{

   120 		 iGainObservers[i]->MaxRampTimeChanged(*this);

   121 		}

   122 	DP_OUT();

   123 	}

   124 

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

   126 // CAudioGainControl::ConfigureRamp

   127 // ---------------------------------------------------------------------------

   128 EXPORT_C TInt CAudioGainControl::ConfigureRamp(TUid aRampOperation, const TTimeIntervalMicroSeconds& aRampDuration)

   129 	{

   130 	DP_CONTEXT(CAudioGainControl::ConfigureRamp *CD1*, CtxDevSound, DPLOCAL);

   131 	DP_IN();

   132 

   133 	TInt err = KErrNone;

   134 	// Apply ramp

   135 	if(iHelper)

   136 		{

   137 		err = iHelper->ConfigureRamp(aRampOperation, aRampDuration);

   138 		}

   139 		

   140 	DP0_RET(err, "%d");

   141 	}

   142 

   143 // ---------------------------------------------------------------------------

   144 // from class MAudioGainControl

   145 // CAudioGainControl::GetMaxGain

   146 // ---------------------------------------------------------------------------

   147 TInt CAudioGainControl::GetMaxGain(TInt& aMaxGain) const

   148 	{

   149 	DP_CONTEXT(CAudioGainControl::GetMaxGain *CD1*, CtxDevSound, DPLOCAL);

   150 	DP_IN();

   151 	TInt err = KErrNone;

   152 	aMaxGain = KDefaultMaxGain;

   153 	DP0_RET(err, "%d");

   154 	}

   155 

   156 // ---------------------------------------------------------------------------

   157 // from class MAudioGainControl

   158 // CAudioGainControl::GetMaxRampTime

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

   160 TInt CAudioGainControl::GetMaxRampTime(TTimeIntervalMicroSeconds& aMaxRampTime) const

   161 	{

   162 	DP_CONTEXT(CAudioGainControl::GetMaxRampTime *CD1*, CtxDevSound, DPLOCAL);

   163 	DP_IN();

   164 	aMaxRampTime = KDefaultMaxRampTime;

   165 	DP0_RET(KErrNone, "%d");

   166 	} 

   167 

   168 // ---------------------------------------------------------------------------

   169 // from class MAudioGainControl

   170 // CAudioGainControl::GetGain

   171 // ---------------------------------------------------------------------------

   172 TInt CAudioGainControl::GetGain(RArray<TAudioChannelGain>& aChannels) const

   173 	{

   174 	DP_CONTEXT(CAudioGainControl::GetGain *CD1*, CtxDevSound, DPLOCAL);

   175 	DP_IN();

   176 	TInt err = KErrNone;

   177 

   178 	aChannels.Reset();

   179 	TInt count = iGains.Count();

   180 

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

   182 		{

   183 		err = aChannels.Append(iGains[i]);

   184 		if(err != KErrNone)

   185 			{

   186 			break;

   187 			}

   188 		}

   189 	

   190 	DP0_RET(err, "%d");

   191 	}

   192 

   193 // ---------------------------------------------------------------------------

   194 // from class MAudioGainControl

   195 // CAudioGainControl::SetGain

   196 // ---------------------------------------------------------------------------

   197 TInt CAudioGainControl::SetGain( RArray<TAudioChannelGain>& /*aChannels*/, TUid /*aRampOperation*/, 

   198 	const TTimeIntervalMicroSeconds& /*aRampDuration*/)

   199 	{

   200 	DP_CONTEXT(CAudioGainControl::SetGain *CD1*, CtxDevSound, DPLOCAL);

   201 	DP_IN();

   202 	__ASSERT_DEBUG(EFalse, Panic(EAdaptationOldSetGainCalledPanic));

   203 	DP0_RET(KErrNone, "%d");

   204 	}

   205 

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

   207 // from class MAudioGainControl

   208 // CAudioGainControl::SetGain

   209 // ---------------------------------------------------------------------------

   210 TInt CAudioGainControl::SetGain(RArray<TAudioChannelGain>& aChannels)

   211 	{

   212 	DP_CONTEXT(CAudioGainControl::SetGain *CD1*, CtxDevSound, DPLOCAL);

   213 	DP_IN();

   214 	TInt err = KErrNone;

   215 

   216 	// Keep array cache

   217 	iGains.Reset();

   218 	TUint count = aChannels.Count();

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

   220 		{

   221 		err = iGains.Append(aChannels[i]);

   222 		if(err != KErrNone)

   223 			{

   224 			break;

   225 			}

   226 		}

   227 

   228 	// Apply gain

   229 	if(iHelper && err == KErrNone)

   230 		{

   231 		err = iHelper->SetGain(aChannels);

   232 		}

   233 	DP0_RET(KErrNone, "%d");

   234 	}

   235 

   236 // ---------------------------------------------------------------------------

   237 // from class MAudioGainControl

   238 // CAudioGainControl::RegisterAudioGainControlObserver

   239 // ---------------------------------------------------------------------------

   240 TInt CAudioGainControl::RegisterAudioGainControlObserver(MAudioGainControlObserver& aObserver)

   241 	{

   242 	DP_CONTEXT(CAudioGainControl::RegisterAudioStreamObserver *CD1*, CtxDevSound, DPLOCAL);

   243 	DP_IN();

   244 	TInt err = iGainObservers.Find(&aObserver);

   245 	if(err == KErrNotFound)

   246 		{

   247 		err = iGainObservers.Append(&aObserver);

   248 		}

   249 	else

   250 		{

   251 		err = KErrAlreadyExists;

   252 		}

   253 	DP0_RET(err, "%d");

   254 	}

   255 

   256 // ---------------------------------------------------------------------------

   257 // from class MAudioGainControl

   258 // CAudioGainControl::UnregisterAudioGainControlObserver

   259 // ---------------------------------------------------------------------------

   260 void CAudioGainControl::UnregisterAudioGainControlObserver(MAudioGainControlObserver& aObserver)

   261 	{

   262 	DP_CONTEXT(CAudioGainControl::UnregisterAudioStreamObserver *CD1*, CtxDevSound, DPLOCAL);

   263 	DP_IN();

   264 	TInt idxOrErr = iGainObservers.Find(&aObserver);

   265 	if( idxOrErr != KErrNotFound )

   266 		{

   267 		iGainObservers.Remove(idxOrErr);

   268 		}

   269 	DP_OUT();

   270 	}

   271 

   272 // end of file
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