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1 /* |
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2 * Copyright (c) 2005-2007 Nokia Corporation and/or its subsidiary(-ies). |
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3 * All rights reserved. |
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4 * This component and the accompanying materials are made available |
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5 * under the terms of "Eclipse Public License v1.0" |
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6 * which accompanies this distribution, and is available |
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7 * at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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8 * |
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9 * Initial Contributors: |
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10 * Nokia Corporation - initial contribution. |
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11 * |
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12 * Contributors: |
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13 * |
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14 * Description: Manipulates the settings of an audio effect reverb source. |
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15 * |
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16 */ |
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17 |
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18 |
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19 // INCLUDE FILES |
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20 #include <logger.h> |
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21 #include "cammsemcreverbsourcecontrol.h" |
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22 #include "cammsbasereverbcontrol.h" |
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23 #include "cammsemcreverbcontrol.h" |
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24 |
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25 // CONSTANTS |
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26 const TInt KAMMSDisconnectReverbSource = 2147483647; // From JSR-234 |
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27 |
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28 #ifdef _DEBUG |
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29 const TInt KAMMSMaxRoomLevel = 0; |
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30 #endif // _DEBUG |
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31 |
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32 // ============================ MEMBER FUNCTIONS =============================== |
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33 |
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34 // ----------------------------------------------------------------------------- |
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35 // CAMMSEMCReverbSourceControl::NewLC |
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36 // Two-phased constructor. |
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37 // ----------------------------------------------------------------------------- |
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38 CAMMSEMCReverbSourceControl* CAMMSEMCReverbSourceControl::NewLC( |
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39 CMMAPlayer* aPlayer, |
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40 CAMMSBaseReverbControl* aBaseReverbControl) |
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41 { |
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42 CAMMSEMCReverbSourceControl* self = |
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43 new(ELeave)CAMMSEMCReverbSourceControl(aPlayer, aBaseReverbControl); |
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44 |
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45 CleanupStack::PushL(self); |
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46 |
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47 return self; |
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48 } |
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49 |
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50 // Destructor |
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51 CAMMSEMCReverbSourceControl::~CAMMSEMCReverbSourceControl() |
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52 { |
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53 LOG( EJavaAMMS, EInfo, "AMMS::CAMMSEMCReverbSourceControl::~CAMMSEMCReverbSourceControl"); |
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54 |
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55 // Perform DeallocateControl, if the state change has not yet performed it. |
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56 DeallocateControl(); |
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57 |
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58 } |
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59 |
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60 // ----------------------------------------------------------------------------- |
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61 // CAMMSEMCReverbSourceControl::SetRoomLevelL |
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62 // Sets the object specific level for the reverberant sound. |
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63 // ----------------------------------------------------------------------------- |
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64 // |
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65 void CAMMSEMCReverbSourceControl::SetRoomLevelL(TInt aLevel) |
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66 { |
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67 LOG1( EJavaAMMS, EInfo, "AMMS:: CAMMSEMCReverbSourceControl::SetRoomLevelL +: %d", aLevel); |
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68 // Check in debug build that aLevel is within valid range. |
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69 __ASSERT_DEBUG( |
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70 (aLevel <= KAMMSMaxRoomLevel) || |
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71 (aLevel == KAMMSDisconnectReverbSource), |
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72 User::Invariant()); |
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73 |
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74 // With the JSR-234 value Integer.MIN_VALUE, the reflected sound for the |
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75 // given object can be disabled. |
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76 if (aLevel == KMinTInt) |
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77 { |
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78 LOG( EJavaAMMS, EInfo, "AMMS::CAMMSEMCReverbSourceControl::SetRoomLevelL(Integer.MIN_VALUE)"); |
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79 aLevel = 0; |
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80 } |
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81 |
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82 // Check the allowed boundaries for room level. |
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83 TInt minLevel = 0; |
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84 TInt maxLevel = 0; |
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85 iRoomLevelControl->LevelRange(minLevel, maxLevel); |
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86 LOG2( EJavaAMMS, EInfo, "AMMS::CAMMSEMCReverbSourceControl::SetRoomLevelL boundaries %d, %d", |
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87 minLevel, maxLevel); |
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88 |
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89 // Check the state of the effect. If it is in disabled state, enable it. |
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90 TBool enabled; |
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91 iRoomLevelControl->IsEnabled(enabled); |
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92 if (!enabled) |
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93 { |
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94 LOG( EJavaAMMS, EInfo, "AMMS::CAMMSEMCReverbSourceControl::SetRoomLevelL calling EnableL"); |
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95 iRoomLevelControl->Enable(); |
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96 } |
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97 |
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98 // With the JSR-234 value DISCONNECT, the object can be disconnected |
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99 // from the reverb. |
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100 if (aLevel == KAMMSDisconnectReverbSource) |
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101 { |
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102 // Do not call iReverbSource->DisableL(), instead set the room level to |
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103 // _minimum_ value (= smallest negative gain -> maximum attenuation). |
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104 // The CRoomLevel must also be kept enabled. |
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105 aLevel = minLevel; |
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106 |
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107 LOG1( EJavaAMMS, EInfo, "AMMS::CAMMSEMCReverbSourceControl::SetRoomLevelL(DISCONNECT) %d", |
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108 minLevel); |
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109 } |
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110 else |
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111 { |
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112 // Set the room level within allowed boundaries from EMC API |
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113 aLevel = Min(aLevel, maxLevel); |
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114 aLevel = Max(aLevel, minLevel); |
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115 LOG1( EJavaAMMS, EInfo, "AMMS::CAMMSEMCReverbSourceControl::SetRoomLevelL setting value: %d", aLevel); |
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116 } |
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117 |
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118 // Sets the RoomLevel level, it will leave if aRoomLevel is not within range |
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119 // of Min and Max |
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120 iRoomLevelControl->SetRoomLevel(aLevel); |
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121 |
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122 // Apply updated settings to EMC API. |
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123 iRoomLevelControl->Apply(); |
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124 |
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125 LOG( EJavaAMMS, EInfo, "AMMS::CAMMSEMCReverbSourceControl::SetRoomLevelL -"); |
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126 } |
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127 |
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128 // ----------------------------------------------------------------------------- |
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129 // CAMMSEMCReverbSourceControl::PrepareControlL |
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130 // Function which is called after the correct state is set in Player. |
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131 // ----------------------------------------------------------------------------- |
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132 // |
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133 void CAMMSEMCReverbSourceControl::PrepareControlL() |
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134 { |
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135 LOG( EJavaAMMS, EInfo, "AMMS::CAMMSEMCReverbSourceControl::PrepareControlL"); |
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136 |
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137 if (!iRoomLevelControl) |
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138 { |
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139 //Create RoomLevel Effect Control |
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140 iStreamControl = (static_cast<CMMAEMCAudioPlayer*>(iMMAPlayer))->StreamControl(); |
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141 iFactory = (static_cast<CMMAEMCAudioPlayer*>(iMMAPlayer))->MMFactory(); |
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142 |
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143 MEffectControl* temp(NULL); |
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144 User::LeaveIfError(iFactory->CreateEffectControl(KRoomLevelEffectControl, temp)); |
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145 iRoomLevelControl = static_cast<MRoomLevelControl*>(temp); |
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146 |
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147 |
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148 //Attach EMC Reverb Control to RoomLevelControl |
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149 MReverbControl* reverbControl = iBaseReverbControl->GetReverbControlL(); |
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150 iRoomLevelControl->AttachReverb(*reverbControl); |
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151 |
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152 //Add Effect to Stream Control |
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153 User::LeaveIfError(iStreamControl->AddEffect(*iRoomLevelControl)); |
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154 } |
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155 |
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156 |
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157 } |
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158 |
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159 // ----------------------------------------------------------------------------- |
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160 // CAMMSEMCReverbSourceControl::DeallocateControl |
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161 // Function which is called after the correct state is set in Player. |
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162 // ----------------------------------------------------------------------------- |
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163 // |
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164 void CAMMSEMCReverbSourceControl::DeallocateControl() |
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165 { |
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166 LOG( EJavaAMMS, EInfo, "AMMS::CAMMSEMCReverbSourceControl::DeallocateControl"); |
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167 if (iRoomLevelControl) |
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168 { |
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169 /* |
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170 //idealy reverbControl should be checked for its existance and if it is there ,should be detached from RoomLevelControl. |
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171 //But in this case reverbControl is deleted till this position,so need not to do it. |
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172 if(reverbControl) |
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173 { |
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174 iRoomLevelControl->DetachReverb(*reverbControl); |
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175 } |
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176 */ |
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177 iStreamControl->RemoveEffect(*iRoomLevelControl); |
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178 MEffectControl* objPtr2 = iRoomLevelControl; |
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179 iFactory->DeleteEffectControl(objPtr2); |
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180 iRoomLevelControl = NULL; |
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181 } |
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182 |
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183 |
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184 |
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185 |
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186 } |
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187 |
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188 const TDesC& CAMMSEMCReverbSourceControl::ClassName() const |
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189 { |
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190 return KAMMSEMCReverbSourceControl; |
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191 } |
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192 |
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193 // ----------------------------------------------------------------------------- |
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194 // CAMMSEMCReverbSourceControl::CAMMSEMCReverbSourceControl |
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195 // C++ default constructor can NOT contain any code, that |
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196 // might leave. |
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197 // ----------------------------------------------------------------------------- |
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198 CAMMSEMCReverbSourceControl::CAMMSEMCReverbSourceControl( |
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199 CMMAPlayer* aPlayer, |
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200 CAMMSBaseReverbControl* aBaseReverbControl) |
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201 : CAMMSBaseReverbSourceControl(aPlayer), iBaseReverbControl(aBaseReverbControl) |
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202 { |
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203 |
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204 iMMAPlayer = aPlayer; |
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205 |
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206 } |
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207 |
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208 // End of File |