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1 // Copyright (c) 2006-2009 Nokia Corporation and/or its subsidiary(-ies). |
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2 // All rights reserved. |
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3 // This component and the accompanying materials are made available |
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4 // under the terms of "Eclipse Public License v1.0" |
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5 // which accompanies this distribution, and is available |
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6 // at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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7 // |
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8 // Initial Contributors: |
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9 // Nokia Corporation - initial contribution. |
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10 // |
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11 // Contributors: |
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12 // |
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13 // Description: |
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14 // |
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15 |
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16 |
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17 |
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18 #include "cdevplaycontrol.h" |
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19 |
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20 #include <a3f/maudiocontext.h> |
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21 #include <a3f/mbuffersource.h> |
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22 #include <a3f/maudiocodec.h> |
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23 #include <a3f/maudiogaincontrol.h> |
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24 #include <a3f/audioprocessingunittypeuids.h> |
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25 |
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26 |
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27 // --------------------------------------------------------------------------- |
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28 // Default constructor |
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29 // --------------------------------------------------------------------------- |
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30 // |
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31 CDevPlayControl::CDevPlayControl() |
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32 { |
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33 TRACE_CREATE(); |
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34 DP_CONTEXT(CDevPlayControl::CDevPlayControl *CD1*, CtxDevSound, DPLOCAL); |
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35 DP_IN(); |
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36 DP_OUT(); |
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37 } |
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38 |
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39 // ----------------------------------------------------------------------------- |
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40 // Symbian 2nd phase constructor |
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41 // ----------------------------------------------------------------------------- |
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42 // |
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43 void CDevPlayControl::ConstructL(CDevAudio* aDevAudio, MDevSoundAdaptationObserver& aAdaptationObserver) |
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44 { |
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45 DP_CONTEXT(CDevPlayControl::ConstructL *CD1*, CtxDevSound, DPLOCAL); |
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46 DP_IN(); |
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47 CDevAudioControl::ConstructL(aDevAudio, aAdaptationObserver); |
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48 DP_OUT(); |
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49 } |
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50 |
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51 // ----------------------------------------------------------------------------- |
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52 // Symbian constructor |
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53 // ----------------------------------------------------------------------------- |
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54 // |
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55 CDevPlayControl* CDevPlayControl::NewL(CDevAudio* aDevAudio, MDevSoundAdaptationObserver& aDevSoundObserver) |
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56 { |
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57 DP_STATIC_CONTEXT(CDevPlayControl::NewL *CD0*, CtxDevSound, DPLOCAL); |
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58 DP_IN(); |
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59 CDevPlayControl* self = new (ELeave) CDevPlayControl(); |
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60 CleanupStack::PushL(self); |
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61 self->ConstructL(aDevAudio, aDevSoundObserver); |
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62 CleanupStack::Pop(self); |
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63 DP0_RET(self, "0x%x"); |
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64 } |
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65 |
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66 // --------------------------------------------------------------------------- |
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67 // Destructor |
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68 // --------------------------------------------------------------------------- |
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69 // |
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70 CDevPlayControl::~CDevPlayControl() |
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71 { |
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72 DP_CONTEXT(CDevPlayControl::~CDevPlayControl *CD1*, CtxDevSound, DPLOCAL); |
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73 DP_IN(); |
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74 DP_OUT(); |
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75 } |
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76 |
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77 // ----------------------------------------------------------------------------- |
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78 // CDevPlayControl::Initialize |
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79 // ----------------------------------------------------------------------------- |
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80 // |
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81 TInt CDevPlayControl::Initialize(TUid aFormat) |
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82 { |
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83 DP_CONTEXT(CDevPlayControl::Initialize *CD1*, CtxDevSound, DPLOCAL); |
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84 DP_IN(); |
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85 ASSERT(iDevAudio->iAudioSource && iDevAudio->iAudioCodec && iGainControl); |
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86 TInt err(KErrNone); |
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87 |
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88 err = iDevAudio->iAudioStream->AddSource(iDevAudio->iAudioSource); |
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89 if (err == KErrNone) |
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90 { |
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91 err = iDevAudio->iAudioStream->AddSink(iDevAudio->iAudioSink); |
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92 if (err == KErrNone) |
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93 { |
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94 err = iDevAudio->iAudioStream->AddAudioCodec(iDevAudio->iAudioCodec); |
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95 } |
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96 } |
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97 |
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98 if(err == KErrNone && iDevAudio->iActiveState == EDevSoundAdaptorCreated_Uninitialised) |
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99 { |
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100 // Register for notifications |
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101 // Note KErrAlreadyExist is not acceptable as an error, since it shouldn't occurr |
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102 // It's mandatory unregister any observer when no more events are required |
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103 // Otherwise the notifications will be sent to all previously registered observer |
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104 // when reinitialising for different mode |
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105 err = iDevAudio->iAudioStream->RegisterAudioStreamObserver(*this); |
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106 if (err == KErrNone) |
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107 { |
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108 err = iGainControl->RegisterAudioGainControlObserver(*this); |
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109 if (err == KErrNone) |
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110 { |
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111 err = CacheAudioCodecIf(); |
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112 if (err == KErrNone) |
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113 { |
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114 __ASSERT_ALWAYS (iAudioCodecIf,CDevAudioControl::Panic(EAudioCodecIsNull)); |
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115 err = iAudioCodecIf->RegisterAudioCodecObserver(*this); |
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116 if(err == KErrNone) |
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117 { |
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118 err = iAudioCodecIf->SetFormat(aFormat); |
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119 if (err == KErrNone) |
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120 { |
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121 // Needed to get ProcessingUnitError notification |
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122 err = iDevAudio->iAudioCodec->RegisterProcessingUnitObserver(*this); |
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123 } |
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124 } |
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125 } |
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126 } |
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127 } |
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128 |
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129 if (err != KErrNone) |
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130 { |
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131 DP0(DLINFO,"Error while registering observers"); |
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132 iDevAudio->iAudioStream->UnregisterAudioStreamObserver(*this); |
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133 iGainControl->UnregisterAudioGainControlObserver(*this); |
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134 if(iAudioCodecIf) |
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135 { |
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136 iAudioCodecIf->UnregisterAudioCodecObserver(*this); |
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137 iAudioCodecIf = NULL; // Not owned here: convenience pointer, so no need to delete |
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138 } |
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139 } |
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140 |
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141 if (err == KErrNone) |
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142 { |
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143 err = iDevAudio->iAudioStream->Initialize(); |
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144 if (err == KErrNone) |
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145 { |
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146 err = iDevAudio->iAudioContext->Commit(); |
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147 if (err == KErrNone) |
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148 { |
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149 iDevAudio->iActiveState = EDevSoundAdaptorInitialising; |
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150 } |
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151 } |
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152 } |
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153 } |
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154 DP0_RET(err,"%d"); |
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155 } |
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156 |
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157 // ----------------------------------------------------------------------------- |
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158 // CDevPlayControl::ProcessInit |
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159 // ----------------------------------------------------------------------------- |
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160 // |
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161 TInt CDevPlayControl::ProcessInit() |
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162 { |
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163 DP_CONTEXT(CDevPlayControl::ProcessInit *CD1*, CtxDevSound, DPLOCAL); |
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164 DP_IN(); |
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165 PRF(PRF_ID, PRF_START, PRF_TIME, AA_DS_PlayInit, ""); |
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166 PRF(PRF_ID, PRF_START, PRF_LOAD, AA_DS_Play, ""); |
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167 TInt err(KErrNone); |
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168 |
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169 switch (iDevAudio->iActiveState) |
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170 { |
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171 case EDevSoundAdaptorInitialised_Initialised: |
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172 { |
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173 TAny* interface(NULL); |
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174 // get correct BufferSource interface of DevAudio::iAudioSource |
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175 interface = iDevAudio->iAudioSource->Interface(KUidMmfBufferSource); |
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176 |
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177 if (interface == NULL) |
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178 { |
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179 DP0_RET(KErrNotSupported, "Incorrect source type! %d"); |
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180 } |
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181 else |
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182 { |
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183 iBufferSource = static_cast<MMMFBufferSource*>(interface); |
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184 iBufferSource->SetDataSupplier(*this); |
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185 if (iDevAudio->IsPrioritySet()) |
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186 { |
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187 TAudioTypeSettings priority; |
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188 iDevAudio->GetPrioritySettings(priority); |
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189 err = iDevAudio->iAudioStream->SetAudioType(priority); |
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190 } |
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191 } |
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192 if ( err == KErrNone) |
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193 { |
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194 err = iDevAudio->iAudioStream->Load(); |
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195 } |
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196 if ( err == KErrNone) |
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197 { |
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198 err = iDevAudio->iAudioContext->Commit(); |
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199 } |
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200 if(err == KErrNone) |
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201 { |
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202 iDevAudio->iActiveState = EDevSoundAdaptorLoading; |
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203 } |
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204 } |
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205 break; |
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206 |
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207 case EDevSoundAdaptorPaused_Primed: |
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208 case EDevSoundAdaptorInitialised_Idle: |
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209 err = iDevAudio->RequestGainAndBalance(this); |
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210 if (err==KErrNone) |
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211 { |
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212 err = iDevAudio->iAudioStream->Activate(); |
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213 } |
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214 if (err == KErrNone) |
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215 { |
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216 err = iDevAudio->iAudioContext->Commit(); |
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217 } |
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218 if (err == KErrNone) |
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219 { |
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220 iDevAudio->iActiveState = EDevSoundAdaptorActivating; |
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221 } |
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222 break; |
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223 case EDevSoundAdaptorActive_Active: |
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224 // Deliberate fall through - set err=KErrNotReady for PlayInit when already active |
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225 default: |
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226 err = KErrNotReady; |
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227 break; |
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228 } |
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229 |
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230 if(err == KErrNone) |
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231 { |
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232 iDevAudio->iStop = EFalse; |
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233 } |
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234 |
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235 DP0_RET(err,"%d"); |
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236 } |
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237 |
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238 // ----------------------------------------------------------------------------- |
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239 // CDevPlayControl::ProcessData |
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240 // ----------------------------------------------------------------------------- |
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241 // |
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242 void CDevPlayControl::ProcessData() |
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243 { |
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244 DP_CONTEXT(CDevPlayControl::ProcessData *CD1*, CtxDevSound, DPLOCAL); |
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245 DP_IN(); |
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246 TInt err(KErrNone); |
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247 |
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248 if(!iDevAudio->iStop) |
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249 { |
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250 err = iBufferSource->BufferFilled(iBuffer); |
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251 if ( err != KErrNone) |
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252 { |
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253 iErrorCondition = err; |
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254 Stop(); |
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255 } |
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256 } |
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257 |
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258 DP_OUT(); |
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259 } |
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260 |
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261 // ----------------------------------------------------------------------------- |
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262 // From class MAudioDataSupplier |
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263 // CDevPlayControl::BufferToBeFilled |
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264 // ----------------------------------------------------------------------------- |
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265 // |
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266 void CDevPlayControl::BufferToBeFilled(MMMFBufferSource* aSource, CMMFBuffer* aBuffer) |
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267 { |
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268 DP_CONTEXT(CDevPlayControl::BufferToBeFilled *CD1*, CtxDevSound, DPLOCAL); |
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269 DP_IN(); |
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270 PRF(PRF_ID, PRF_STOP, PRF_TIME, AA_DS_PlayInit, ""); |
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271 __ASSERT_ALWAYS(iBufferSource==aSource, CDevAudioControl::Panic(EBufferMismatch)); |
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272 iAdaptationObserver->BufferToBeFilled(aBuffer); |
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273 iBuffer = aBuffer; |
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274 DP_OUT(); |
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275 } |
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276 |
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277 // ----------------------------------------------------------------------------- |
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278 // From class MAudioDataSupplier |
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279 // CDevPlayControl::DiscardBuffers |
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280 // ----------------------------------------------------------------------------- |
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281 // |
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282 void CDevPlayControl::DiscardBuffers(MMMFBufferSource* /*aSource*/) |
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283 { |
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284 DP_CONTEXT(CDevPlayControl::DiscardBuffers *CD1*, CtxDevSound, DPLOCAL); |
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285 DP_IN(); |
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286 |
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287 DP_OUT(); |
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288 } |
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289 |
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290 // ----------------------------------------------------------------------------- |
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291 // CDevPlayControl::ProcessingFinished |
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292 // ----------------------------------------------------------------------------- |
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293 // |
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294 void CDevPlayControl::ProcessingFinished(MAudioStream& /*aStream*/) |
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295 { |
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296 DP_CONTEXT(CDevPlayControl::ProcessingFinished *CD1*, CtxDevSound, DPLOCAL); |
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297 DP_IN(); |
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298 PRF(PRF_ID, PRF_STOP, PRF_LOAD, AA_DS_Play, ""); |
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299 |
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300 if(iCallbackFromAdaptor == KCallbackNone) |
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301 { |
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302 iCallbackFromAdaptor = KCallbackProcessingFinished; |
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303 iAdaptationObserver->CallbackFromAdaptorReceived(iCallbackFromAdaptor, KErrNone); |
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304 } |
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305 else |
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306 { |
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307 // Multiple callbacks from adaptor |
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308 DP0(DLERR, "Multiple callbacks from adaptor"); |
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309 } |
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310 DP_OUT(); |
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311 } |
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312 |
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313 |
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314 // ----------------------------------------------------------------------------- |
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315 // CDevPlayControl::ProcessingFinishedReceived |
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316 // ----------------------------------------------------------------------------- |
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317 // |
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318 TInt CDevPlayControl::ProcessingFinishedReceived(TBool& aAyncOperation) |
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319 { |
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320 DP_CONTEXT(CDevPlayControl::ProcessingFinishedReceived *CD1*, CtxDevSound, DPLOCAL); |
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321 DP_IN(); |
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322 aAyncOperation = EFalse; |
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323 TInt err = iDevAudio->iAudioStream->Stop(); |
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324 if ( err == KErrNone) |
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325 { |
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326 err = iDevAudio->iAudioContext->Commit(); |
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327 if(err == KErrNone) |
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328 { |
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329 iDevAudio->iActiveState = EDevSoundAdaptorStopping; |
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330 aAyncOperation = ETrue; |
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331 } |
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332 } |
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333 // Something was wrong, clear the flag. |
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334 if (err != KErrNone) |
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335 { |
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336 iCallbackFromAdaptor = KCallbackNone; |
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337 } |
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338 DP0_RET(err,"%d"); |
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339 } |
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340 |
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341 // ----------------------------------------------------------------------------- |
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342 // CDevPlayControl::BufferErrorEvent |
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343 // ----------------------------------------------------------------------------- |
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344 // |
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345 void CDevPlayControl::BufferErrorEvent() |
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346 { |
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347 ProcessingUnitError(NULL,KErrNoMemory); |
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348 } |
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349 |
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350 |
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351 // ----------------------------------------------------------------------------- |
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352 // CDevPlayControl::FinishWithError |
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353 // ----------------------------------------------------------------------------- |
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354 // |
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355 void CDevPlayControl::FinishWithError(TInt aError) |
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356 { |
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357 iAdaptationObserver->PlayError(aError); |
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358 } |
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359 |
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360 // --------------------------------------------------------------------------- |
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361 // CDevPlayControl::ProcessingError |
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362 // --------------------------------------------------------------------------- |
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363 TInt CDevPlayControl::ProcessingError(TBool& aAyncOperation) |
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364 { |
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365 TInt err = ProcessingFinishedReceived(aAyncOperation); |
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366 return err; |
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367 } |
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368 |
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369 // End of file |
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370 |