author | Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com> |
Mon, 21 Jun 2010 15:32:50 +0300 | |
branch | RCL_3 |
changeset 46 | 4376525cdefb |
parent 19 | 04becd199f91 |
permissions | -rw-r--r-- |
19
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/* |
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* Copyright (c) 2005-2007 Nokia Corporation and/or its subsidiary(-ies). |
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* All rights reserved. |
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* This component and the accompanying materials are made available |
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* under the terms of "Eclipse Public License v1.0" |
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* which accompanies this distribution, and is available |
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* at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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* |
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* Initial Contributors: |
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* Nokia Corporation - initial contribution. |
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* |
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* Contributors: |
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* |
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* Description: Manipulates the settings of an audio effect reverb source. |
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* |
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*/ |
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|
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// INCLUDE FILES |
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#include <jdebug.h> |
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#include "cammsreverbsourcecontrol.h" |
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#include "cammsbasereverbcontrol.h" |
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|
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// CONSTANTS |
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const TInt KAMMSDisconnectReverbSource = 2147483647; // From JSR-234 |
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|
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|
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#ifdef _DEBUG |
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const TInt KAMMSMaxRoomLevel = 0; |
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#endif // _DEBUG |
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// ============================ MEMBER FUNCTIONS =============================== |
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|
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// ----------------------------------------------------------------------------- |
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// CAMMSReverbSourceControl::NewLC |
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// Two-phased constructor. |
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// ----------------------------------------------------------------------------- |
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CAMMSReverbSourceControl* CAMMSReverbSourceControl::NewLC( |
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CMMAPlayer* aPlayer, |
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CAMMSBaseReverbControl* aReverbControl) |
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{ |
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CAMMSReverbSourceControl* self = |
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new(ELeave)CAMMSReverbSourceControl(aPlayer, aReverbControl); |
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|
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CleanupStack::PushL(self); |
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|
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return self; |
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} |
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|
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// Destructor |
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CAMMSReverbSourceControl::~CAMMSReverbSourceControl() |
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{ |
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DEBUG("AMMS::CAMMSReverbSourceControl::~CAMMSReverbSourceControl"); |
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|
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// Perform DeallocateControl, if the state change has not yet performed it. |
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DeallocateControl(); |
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delete iReverbSource; |
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} |
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|
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// ----------------------------------------------------------------------------- |
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// CAMMSReverbSourceControl::SetRoomLevelL |
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// Sets the object specific level for the reverberant sound. |
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// ----------------------------------------------------------------------------- |
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// |
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void CAMMSReverbSourceControl::SetRoomLevelL(TInt aLevel) |
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{ |
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DEBUG_INT("AMMS::CAMMSReverbSourceControl::SetRoomLevelL +: %d", aLevel); |
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|
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// Check in debug build that aLevel is within valid range. |
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__ASSERT_DEBUG( |
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(aLevel <= KAMMSMaxRoomLevel) || |
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(aLevel == KAMMSDisconnectReverbSource), |
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User::Invariant()); |
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|
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// With the JSR-234 value Integer.MIN_VALUE, the reflected sound for the |
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// given object can be disabled. |
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if (aLevel == KMinTInt) |
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{ |
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DEBUG("AMMS::CAMMSReverbSourceControl::SetRoomLevelL(Integer.MIN_VALUE)"); |
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aLevel = 0; |
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} |
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|
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// Check the allowed boundaries for room level. |
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TInt32 minLevel = 0; |
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TInt32 maxLevel = 0; |
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iReverbSource->LevelRange(minLevel, maxLevel); |
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DEBUG_INT2("AMMS::CAMMSReverbSourceControl::SetRoomLevelL boundaries %d, %d", |
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minLevel, maxLevel); |
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|
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// Check the state of the effect. If it is in disabled state, enable it. |
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if (!iReverbSource->IsEnabled()) |
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{ |
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DEBUG("AMMS::CAMMSReverbSourceControl::SetRoomLevelL calling EnableL"); |
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iReverbSource->EnableL(); |
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} |
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96 |
|
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// With the JSR-234 value DISCONNECT, the object can be disconnected |
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// from the reverb. |
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if (aLevel == KAMMSDisconnectReverbSource) |
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{ |
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|
101 |
// Do not call iReverbSource->DisableL(), instead set the room level to |
04becd199f91
Revision: v2.1.22
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|
102 |
// _minimum_ value (= smallest negative gain -> maximum attenuation). |
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Revision: v2.1.22
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|
103 |
// The CRoomLevel must also be kept enabled. |
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|
104 |
aLevel = minLevel; |
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Revision: v2.1.22
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|
105 |
|
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|
106 |
DEBUG_INT("AMMS::CAMMSReverbSourceControl::SetRoomLevelL(DISCONNECT) %d", |
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|
107 |
minLevel); |
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108 |
} |
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109 |
else |
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110 |
{ |
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Revision: v2.1.22
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111 |
// Set the room level within allowed boundaries from Effect API |
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112 |
aLevel = Min(aLevel, maxLevel); |
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|
113 |
aLevel = Max(aLevel, minLevel); |
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114 |
DEBUG_INT("AMMS::CAMMSReverbSourceControl::SetRoomLevelL setting value: %d", aLevel); |
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115 |
} |
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116 |
|
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117 |
// Sets the RoomLevel level, it will leave if aRoomLevel is not within range |
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Revision: v2.1.22
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118 |
// of Min and Max |
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119 |
iReverbSource->SetRoomLevelL((TInt32)aLevel); |
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Revision: v2.1.22
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120 |
|
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121 |
// Apply updated settings to Effect API. |
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122 |
iReverbSource->ApplyL(); |
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123 |
|
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124 |
DEBUG("AMMS::CAMMSReverbSourceControl::SetRoomLevelL -"); |
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125 |
} |
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126 |
|
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127 |
// ----------------------------------------------------------------------------- |
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128 |
// CAMMSReverbSourceControl::PrepareControlL |
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Revision: v2.1.22
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129 |
// Function which is called after the correct state is set in Player. |
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130 |
// ----------------------------------------------------------------------------- |
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131 |
// |
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132 |
void CAMMSReverbSourceControl::PrepareControlL() |
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133 |
{ |
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134 |
DEBUG("AMMS::CAMMSReverbSourceControl::PrepareControlL"); |
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Revision: v2.1.22
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135 |
|
04becd199f91
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136 |
// Perform the action only for the first time, skip if called afterwards |
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Revision: v2.1.22
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|
137 |
if (!iReverbSource) |
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Revision: v2.1.22
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138 |
{ |
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Revision: v2.1.22
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139 |
CEnvironmentalReverbUtility* reverbUtility = NULL; |
04becd199f91
Revision: v2.1.22
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140 |
iReverbControl->GetEnvironmentalReverbUtilityL(&reverbUtility); |
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Revision: v2.1.22
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141 |
// Reverb utility must exist, otherwise room level creation will fail. |
04becd199f91
Revision: v2.1.22
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142 |
__ASSERT_DEBUG(reverbUtility, User::Invariant()); |
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Revision: v2.1.22
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|
143 |
|
04becd199f91
Revision: v2.1.22
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144 |
CEnvironmentalReverb* reverb = |
04becd199f91
Revision: v2.1.22
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145 |
&(reverbUtility->EnvironmentalReverb()); |
04becd199f91
Revision: v2.1.22
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|
146 |
|
04becd199f91
Revision: v2.1.22
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|
147 |
CCustomCommandUtility* customCommandUtility = |
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Revision: v2.1.22
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148 |
CreateCustomCommandUtilityL(); |
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Revision: v2.1.22
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149 |
|
04becd199f91
Revision: v2.1.22
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|
150 |
// Effect API takes the ownership of customCommandUtility. |
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Revision: v2.1.22
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|
151 |
iReverbSource = CRoomLevel::NewL(customCommandUtility, *reverb); |
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Revision: v2.1.22
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152 |
} |
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Revision: v2.1.22
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|
153 |
} |
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Revision: v2.1.22
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|
154 |
|
04becd199f91
Revision: v2.1.22
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|
155 |
// ----------------------------------------------------------------------------- |
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Revision: v2.1.22
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|
156 |
// CAMMSReverbSourceControl::DeallocateControl |
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Revision: v2.1.22
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157 |
// Function which is called after the correct state is set in Player. |
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|
158 |
// ----------------------------------------------------------------------------- |
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Revision: v2.1.22
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|
159 |
// |
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Revision: v2.1.22
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|
160 |
void CAMMSReverbSourceControl::DeallocateControl() |
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|
161 |
{ |
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|
162 |
if (iReverbSource) |
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|
163 |
{ |
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Revision: v2.1.22
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|
164 |
DEBUG("AMMS::CAMMSReverbSourceControl::DeallocateControl"); |
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Revision: v2.1.22
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|
165 |
|
04becd199f91
Revision: v2.1.22
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|
166 |
// Disable the Effect API Control |
04becd199f91
Revision: v2.1.22
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|
167 |
TRAPD(err, iReverbSource->DisableL()); |
04becd199f91
Revision: v2.1.22
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|
168 |
if (err != KErrNone) |
04becd199f91
Revision: v2.1.22
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|
169 |
{ |
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Revision: v2.1.22
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|
170 |
// The only even theoritically possible error code here would be |
04becd199f91
Revision: v2.1.22
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|
171 |
// KErrAccessDenied which is a result from Effect API calling ApplyL |
04becd199f91
Revision: v2.1.22
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|
172 |
// method without having update rights, but since the Effect |
04becd199f91
Revision: v2.1.22
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|
173 |
// is already created, that situation can be discarded here. |
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Revision: v2.1.22
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|
174 |
} |
04becd199f91
Revision: v2.1.22
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|
175 |
|
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Revision: v2.1.22
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|
176 |
// Delete the Effect API class (it deletes CustomCommandUtility) |
04becd199f91
Revision: v2.1.22
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|
177 |
delete iReverbSource; |
04becd199f91
Revision: v2.1.22
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|
178 |
iReverbSource = NULL; |
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Revision: v2.1.22
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|
179 |
} |
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Revision: v2.1.22
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|
180 |
} |
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Revision: v2.1.22
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|
181 |
|
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Revision: v2.1.22
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|
182 |
const TDesC& CAMMSReverbSourceControl::ClassName() const |
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|
183 |
{ |
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|
184 |
return KAMMSReverbSourceControl; |
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|
185 |
} |
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|
186 |
|
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|
187 |
// ----------------------------------------------------------------------------- |
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|
188 |
// CAMMSReverbSourceControl::CAMMSReverbSourceControl |
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Revision: v2.1.22
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|
189 |
// C++ default constructor can NOT contain any code, that |
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|
190 |
// might leave. |
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|
191 |
// ----------------------------------------------------------------------------- |
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|
192 |
CAMMSReverbSourceControl::CAMMSReverbSourceControl( |
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|
193 |
CMMAPlayer* aPlayer, |
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|
194 |
CAMMSBaseReverbControl* aReverbControl) |
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|
195 |
: CAMMSBaseReverbSourceControl(aPlayer), iReverbControl(aReverbControl) |
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|
196 |
{ |
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|
197 |
} |
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|
198 |
|
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|
199 |
// End of File |