1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/os/mm/mmhais/refacladapt/src/audiogaincontrol/audiogaincontrol.cpp Fri Jun 15 03:10:57 2012 +0200
1.3 @@ -0,0 +1,272 @@
1.4 +// Copyright (c) 2006-2009 Nokia Corporation and/or its subsidiary(-ies).
1.5 +// All rights reserved.
1.6 +// This component and the accompanying materials are made available
1.7 +// under the terms of "Eclipse Public License v1.0"
1.8 +// which accompanies this distribution, and is available
1.9 +// at the URL "http://www.eclipse.org/legal/epl-v10.html".
1.10 +//
1.11 +// Initial Contributors:
1.12 +// Nokia Corporation - initial contribution.
1.13 +//
1.14 +// Contributors:
1.15 +//
1.16 +// Description:
1.17 +//
1.18 +
1.19 +
1.20 +
1.21 +#include "audiogaincontrol.h"
1.22 +#include <a3f/audioprocessingunittypeuids.h>
1.23 +
1.24 +// ======== LOCAL FUNCTIONS ========
1.25 +void Panic(TInt aPanicCode)
1.26 + {
1.27 + _LIT(KAudioGainControlPanicCategory, "audiogaincontrol");
1.28 + User::Panic(KAudioGainControlPanicCategory, aPanicCode);
1.29 + }
1.30 +
1.31 +// ======== MEMBER FUNCTIONS ========
1.32 +
1.33 +// ---------------------------------------------------------------------------
1.34 +// Constructor
1.35 +// ---------------------------------------------------------------------------
1.36 +CAudioGainControl::CAudioGainControl()
1.37 + {
1.38 + TRACE_CREATE();
1.39 + DP_CONTEXT(CAudioGainControl::CAudioGainControl *CD1*, CtxDevSound, DPLOCAL);
1.40 + DP_IN();
1.41 + DP_OUT();
1.42 + }
1.43 +
1.44 +// ---------------------------------------------------------------------------
1.45 +// Factory method
1.46 +// ---------------------------------------------------------------------------
1.47 +EXPORT_C CAudioGainControl* CAudioGainControl::NewL()
1.48 + {
1.49 + DP_STATIC_CONTEXT(CAudioGainControl::NewL *CD0*, CtxDevSound, DPLOCAL);
1.50 + DP_IN();
1.51 + CAudioGainControl* self = new(ELeave)CAudioGainControl();
1.52 + CleanupStack::PushL(self);
1.53 + self->ConstructL();
1.54 + CleanupStack::Pop(self);
1.55 + DP0_RET(self, "0x%x");
1.56 + }
1.57 +
1.58 +// ---------------------------------------------------------------------------
1.59 +// Second phase constructor
1.60 +// ---------------------------------------------------------------------------
1.61 +void CAudioGainControl::ConstructL()
1.62 + {
1.63 + DP_CONTEXT(CAudioGainControl::ConstructL *CD1*, CtxDevSound, DPLOCAL);
1.64 + DP_IN();
1.65 + DP_OUT();
1.66 + }
1.67 +
1.68 +// ---------------------------------------------------------------------------
1.69 +// Destructor
1.70 +// ---------------------------------------------------------------------------
1.71 +CAudioGainControl::~CAudioGainControl()
1.72 + {
1.73 + DP_CONTEXT(CAudioGainControl::~CAudioGainControl *CD1*, CtxDevSound, DPLOCAL);
1.74 + DP_IN();
1.75 + iGainObservers.Close();
1.76 + DP_OUT();
1.77 + }
1.78 +
1.79 +EXPORT_C void CAudioGainControl::SetHelper(MGainHelper &aHelper)
1.80 + {
1.81 + iHelper = &aHelper;
1.82 + }
1.83 +// ---------------------------------------------------------------------------
1.84 +// CAudioGainControl::IssueGainChangedCallBack
1.85 +// ---------------------------------------------------------------------------
1.86 +EXPORT_C void CAudioGainControl::IssueGainChangedCallBack(TInt aError)
1.87 + {
1.88 + DP_CONTEXT(CAudioGainControl::IssueGainChangedCallBack *CD1*, CtxDevSound, DPLOCAL);
1.89 + DP_IN();
1.90 + TUint count = iGainObservers.Count();
1.91 + for(TUint i(0); i<count; i++)
1.92 + {
1.93 + iGainObservers[i]->GainChanged(*this, aError);
1.94 + }
1.95 + DP_OUT();
1.96 + }
1.97 +
1.98 +// ---------------------------------------------------------------------------
1.99 +// CAudioGainControl::IssueMaxGainChangedCallBack
1.100 +// ---------------------------------------------------------------------------
1.101 +void CAudioGainControl::IssueMaxGainChangedCallBack()
1.102 + {
1.103 + DP_CONTEXT(CAudioGainControl::IssueMaxGainChangedCallBack *CD1*, CtxDevSound, DPLOCAL);
1.104 + DP_IN();
1.105 + TUint count = iGainObservers.Count();
1.106 + for(TUint i(0); i<count; i++)
1.107 + {
1.108 + iGainObservers[i]->MaxGainChanged(*this);
1.109 + }
1.110 + DP_OUT();
1.111 + }
1.112 +
1.113 +// ---------------------------------------------------------------------------
1.114 +// CAudioGainControl::IssueMaxRampTimeGainChangedCallBack
1.115 +// ---------------------------------------------------------------------------
1.116 +void CAudioGainControl::IssueMaxRampTimeChangedCallBack()
1.117 + {
1.118 + DP_CONTEXT(CAudioGainControl::IssueMaxRampTimeChangedCallBack *CD1*, CtxDevSound, DPLOCAL);
1.119 + DP_IN();
1.120 + TUint count = iGainObservers.Count();
1.121 + for(TUint i(0); i<count; i++)
1.122 + {
1.123 + iGainObservers[i]->MaxRampTimeChanged(*this);
1.124 + }
1.125 + DP_OUT();
1.126 + }
1.127 +
1.128 +// ---------------------------------------------------------------------------
1.129 +// CAudioGainControl::ConfigureRamp
1.130 +// ---------------------------------------------------------------------------
1.131 +EXPORT_C TInt CAudioGainControl::ConfigureRamp(TUid aRampOperation, const TTimeIntervalMicroSeconds& aRampDuration)
1.132 + {
1.133 + DP_CONTEXT(CAudioGainControl::ConfigureRamp *CD1*, CtxDevSound, DPLOCAL);
1.134 + DP_IN();
1.135 +
1.136 + TInt err = KErrNone;
1.137 + // Apply ramp
1.138 + if(iHelper)
1.139 + {
1.140 + err = iHelper->ConfigureRamp(aRampOperation, aRampDuration);
1.141 + }
1.142 +
1.143 + DP0_RET(err, "%d");
1.144 + }
1.145 +
1.146 +// ---------------------------------------------------------------------------
1.147 +// from class MAudioGainControl
1.148 +// CAudioGainControl::GetMaxGain
1.149 +// ---------------------------------------------------------------------------
1.150 +TInt CAudioGainControl::GetMaxGain(TInt& aMaxGain) const
1.151 + {
1.152 + DP_CONTEXT(CAudioGainControl::GetMaxGain *CD1*, CtxDevSound, DPLOCAL);
1.153 + DP_IN();
1.154 + TInt err = KErrNone;
1.155 + aMaxGain = KDefaultMaxGain;
1.156 + DP0_RET(err, "%d");
1.157 + }
1.158 +
1.159 +// ---------------------------------------------------------------------------
1.160 +// from class MAudioGainControl
1.161 +// CAudioGainControl::GetMaxRampTime
1.162 +// ---------------------------------------------------------------------------
1.163 +TInt CAudioGainControl::GetMaxRampTime(TTimeIntervalMicroSeconds& aMaxRampTime) const
1.164 + {
1.165 + DP_CONTEXT(CAudioGainControl::GetMaxRampTime *CD1*, CtxDevSound, DPLOCAL);
1.166 + DP_IN();
1.167 + aMaxRampTime = KDefaultMaxRampTime;
1.168 + DP0_RET(KErrNone, "%d");
1.169 + }
1.170 +
1.171 +// ---------------------------------------------------------------------------
1.172 +// from class MAudioGainControl
1.173 +// CAudioGainControl::GetGain
1.174 +// ---------------------------------------------------------------------------
1.175 +TInt CAudioGainControl::GetGain(RArray<TAudioChannelGain>& aChannels) const
1.176 + {
1.177 + DP_CONTEXT(CAudioGainControl::GetGain *CD1*, CtxDevSound, DPLOCAL);
1.178 + DP_IN();
1.179 + TInt err = KErrNone;
1.180 +
1.181 + aChannels.Reset();
1.182 + TInt count = iGains.Count();
1.183 +
1.184 + for (TUint i(0); i < count; i++)
1.185 + {
1.186 + err = aChannels.Append(iGains[i]);
1.187 + if(err != KErrNone)
1.188 + {
1.189 + break;
1.190 + }
1.191 + }
1.192 +
1.193 + DP0_RET(err, "%d");
1.194 + }
1.195 +
1.196 +// ---------------------------------------------------------------------------
1.197 +// from class MAudioGainControl
1.198 +// CAudioGainControl::SetGain
1.199 +// ---------------------------------------------------------------------------
1.200 +TInt CAudioGainControl::SetGain( RArray<TAudioChannelGain>& /*aChannels*/, TUid /*aRampOperation*/,
1.201 + const TTimeIntervalMicroSeconds& /*aRampDuration*/)
1.202 + {
1.203 + DP_CONTEXT(CAudioGainControl::SetGain *CD1*, CtxDevSound, DPLOCAL);
1.204 + DP_IN();
1.205 + __ASSERT_DEBUG(EFalse, Panic(EAdaptationOldSetGainCalledPanic));
1.206 + DP0_RET(KErrNone, "%d");
1.207 + }
1.208 +
1.209 +// ---------------------------------------------------------------------------
1.210 +// from class MAudioGainControl
1.211 +// CAudioGainControl::SetGain
1.212 +// ---------------------------------------------------------------------------
1.213 +TInt CAudioGainControl::SetGain(RArray<TAudioChannelGain>& aChannels)
1.214 + {
1.215 + DP_CONTEXT(CAudioGainControl::SetGain *CD1*, CtxDevSound, DPLOCAL);
1.216 + DP_IN();
1.217 + TInt err = KErrNone;
1.218 +
1.219 + // Keep array cache
1.220 + iGains.Reset();
1.221 + TUint count = aChannels.Count();
1.222 + for (TUint i(0); i < count; i++)
1.223 + {
1.224 + err = iGains.Append(aChannels[i]);
1.225 + if(err != KErrNone)
1.226 + {
1.227 + break;
1.228 + }
1.229 + }
1.230 +
1.231 + // Apply gain
1.232 + if(iHelper && err == KErrNone)
1.233 + {
1.234 + err = iHelper->SetGain(aChannels);
1.235 + }
1.236 + DP0_RET(KErrNone, "%d");
1.237 + }
1.238 +
1.239 +// ---------------------------------------------------------------------------
1.240 +// from class MAudioGainControl
1.241 +// CAudioGainControl::RegisterAudioGainControlObserver
1.242 +// ---------------------------------------------------------------------------
1.243 +TInt CAudioGainControl::RegisterAudioGainControlObserver(MAudioGainControlObserver& aObserver)
1.244 + {
1.245 + DP_CONTEXT(CAudioGainControl::RegisterAudioStreamObserver *CD1*, CtxDevSound, DPLOCAL);
1.246 + DP_IN();
1.247 + TInt err = iGainObservers.Find(&aObserver);
1.248 + if(err == KErrNotFound)
1.249 + {
1.250 + err = iGainObservers.Append(&aObserver);
1.251 + }
1.252 + else
1.253 + {
1.254 + err = KErrAlreadyExists;
1.255 + }
1.256 + DP0_RET(err, "%d");
1.257 + }
1.258 +
1.259 +// ---------------------------------------------------------------------------
1.260 +// from class MAudioGainControl
1.261 +// CAudioGainControl::UnregisterAudioGainControlObserver
1.262 +// ---------------------------------------------------------------------------
1.263 +void CAudioGainControl::UnregisterAudioGainControlObserver(MAudioGainControlObserver& aObserver)
1.264 + {
1.265 + DP_CONTEXT(CAudioGainControl::UnregisterAudioStreamObserver *CD1*, CtxDevSound, DPLOCAL);
1.266 + DP_IN();
1.267 + TInt idxOrErr = iGainObservers.Find(&aObserver);
1.268 + if( idxOrErr != KErrNotFound )
1.269 + {
1.270 + iGainObservers.Remove(idxOrErr);
1.271 + }
1.272 + DP_OUT();
1.273 + }
1.274 +
1.275 +// end of file