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1 /* |
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2 * Copyright (c) 2002-2004 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: Message handler for G711 encoder interface |
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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 |
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20 // INCLUDE FILES |
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21 #include "G711EncoderIntfcMsgHdlr.h" |
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22 #include "G711EncoderIntfcMsgs.h" |
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23 #include <G711EncoderIntfc.h> |
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24 |
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25 // EXTERNAL DATA STRUCTURES |
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26 |
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27 // EXTERNAL FUNCTION PROTOTYPES |
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28 |
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29 // CONSTANTS |
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30 |
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31 // MACROS |
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32 |
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33 // LOCAL CONSTANTS AND MACROS |
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34 |
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35 // MODULE DATA STRUCTURES |
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36 |
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37 // LOCAL FUNCTION PROTOTYPES |
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38 |
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39 // FORWARD DECLARATIONS |
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40 |
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41 // ============================= LOCAL FUNCTIONS =============================== |
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42 |
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43 // ============================ MEMBER FUNCTIONS =============================== |
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44 |
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45 // ----------------------------------------------------------------------------- |
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46 // CG711EncoderIntfcMsgHdlr::CG711EncoderIntfcMsgHdlr |
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47 // C++ default constructor can NOT contain any code, that |
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48 // might leave. |
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49 // ----------------------------------------------------------------------------- |
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50 // |
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51 CG711EncoderIntfcMsgHdlr::CG711EncoderIntfcMsgHdlr( |
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52 CG711EncoderIntfc* aG711EncoderIntfcCI) : |
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53 CMMFObject(KUidG711EncoderIntfc) |
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54 { |
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55 iG711EncoderIntfcCI = aG711EncoderIntfcCI; |
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56 } |
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57 |
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58 // ----------------------------------------------------------------------------- |
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59 // CG711EncoderIntfcMsgHdlr::ConstructL |
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60 // Symbian 2nd phase constructor can leave. |
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61 // ----------------------------------------------------------------------------- |
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62 // |
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63 void CG711EncoderIntfcMsgHdlr::ConstructL() |
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64 { |
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65 } |
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66 |
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67 // ----------------------------------------------------------------------------- |
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68 // CG711EncoderIntfcMsgHdlr::NewL |
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69 // Two-phased constructor. |
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70 // ----------------------------------------------------------------------------- |
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71 // |
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72 EXPORT_C CG711EncoderIntfcMsgHdlr* CG711EncoderIntfcMsgHdlr::NewL( |
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73 TAny* aG711EncoderIntfcCI) |
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74 { |
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75 CG711EncoderIntfc* errorConcealmentIntfcCI = |
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76 (CG711EncoderIntfc*)aG711EncoderIntfcCI; |
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77 CG711EncoderIntfcMsgHdlr* self = |
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78 new (ELeave) CG711EncoderIntfcMsgHdlr(errorConcealmentIntfcCI); |
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79 CleanupStack::PushL( self ); |
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80 self->ConstructL(); |
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81 CleanupStack::Pop( self ); |
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82 |
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83 return self; |
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84 } |
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85 |
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86 // Destructor |
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87 EXPORT_C CG711EncoderIntfcMsgHdlr::~CG711EncoderIntfcMsgHdlr() |
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88 { |
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89 delete iG711EncoderIntfcCI; |
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90 } |
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91 |
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92 // --------------------------------------------------------- |
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93 // CG711EncoderIntfcMsgHdlr::HandleRequest |
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94 // Handles the messages from the proxy. |
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95 // Calls a subfunction which determines which custom interface to call. |
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96 // A subfunction is used to contain multiple leaving functions for a single |
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97 // trap. |
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98 // (other items were commented in a header). |
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99 // --------------------------------------------------------- |
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100 // |
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101 EXPORT_C void CG711EncoderIntfcMsgHdlr::HandleRequest( |
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102 TMMFMessage& aMessage) |
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103 { |
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104 ASSERT(aMessage.Destination().InterfaceId() == KUidG711EncoderIntfc); |
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105 TRAPD(error,DoHandleRequestL(aMessage)); |
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106 if(error) |
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107 { |
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108 aMessage.Complete(error); |
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109 } |
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110 } |
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111 |
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112 // --------------------------------------------------------- |
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113 // CG711EncoderIntfcMsgHdlr::DoHandleRequestL |
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114 // Determines which custom interface to call. |
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115 // (other items were commented in a header). |
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116 // --------------------------------------------------------- |
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117 // |
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118 void CG711EncoderIntfcMsgHdlr::DoHandleRequestL(TMMFMessage& aMessage) |
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119 { |
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120 switch(aMessage.Function()) |
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121 { |
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122 case EG711eimSetEncoderMode: |
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123 { |
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124 DoSetEncoderModeL(aMessage); |
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125 break; |
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126 } |
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127 case EG711eimSetVadMode: |
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128 { |
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129 DoSetVadModeL(aMessage); |
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130 break; |
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131 } |
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132 case EG711eimGetVadMode: |
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133 { |
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134 DoGetVadModeL(aMessage); |
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135 break; |
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136 } |
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137 default: |
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138 { |
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139 aMessage.Complete(KErrNotSupported); |
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140 } |
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141 } |
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142 } |
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143 |
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144 // --------------------------------------------------------- |
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145 // CG711EncoderIntfcMsgHdlr::DoSetEncoderModeL |
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146 // Handles the message from the proxy and calls the custom interface method. |
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147 // The data passed from the proxy is read from the message and passed to |
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148 // the custom interface. |
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149 // (other items were commented in a header). |
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150 // --------------------------------------------------------- |
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151 // |
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152 void CG711EncoderIntfcMsgHdlr::DoSetEncoderModeL(TMMFMessage& aMessage) |
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153 { |
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154 TPckgBuf<CG711EncoderIntfc::TEncodeMode> pckgBuf; |
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155 aMessage.ReadData1FromClientL(pckgBuf); |
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156 TInt status = iG711EncoderIntfcCI->SetEncoderMode(pckgBuf()); |
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157 aMessage.Complete(status); |
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158 } |
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159 |
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160 // --------------------------------------------------------- |
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161 // CG711EncoderIntfcMsgHdlr::DoSetVadModeL |
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162 // Handles the message from the proxy and calls the custom interface method. |
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163 // The data passed from the proxy is read from the message and passed to |
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164 // the custom interface. |
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165 // (other items were commented in a header). |
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166 // --------------------------------------------------------- |
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167 // |
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168 void CG711EncoderIntfcMsgHdlr::DoSetVadModeL(TMMFMessage& aMessage) |
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169 { |
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170 TPckgBuf<TBool> pckgBuf; |
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171 aMessage.ReadData1FromClientL(pckgBuf); |
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172 TInt status = iG711EncoderIntfcCI->SetVadMode(pckgBuf()); |
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173 aMessage.Complete(status); |
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174 } |
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175 |
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176 // --------------------------------------------------------- |
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177 // CG711EncoderIntfcMsgHdlr::DoGetVadModeL |
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178 // Handles the message from the proxy and calls the custom interface. |
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179 // The custom interface returns the data requested and this function |
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180 // writes it back to the proxy. |
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181 // (other items were commented in a header). |
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182 // --------------------------------------------------------- |
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183 // |
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184 void CG711EncoderIntfcMsgHdlr::DoGetVadModeL(TMMFMessage& aMessage) |
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185 { |
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186 TBool vadMode; |
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187 TInt status = iG711EncoderIntfcCI->GetVadMode(vadMode); |
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188 if (status == KErrNone) |
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189 { |
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190 TPckgBuf<TBool> pckgBuf; |
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191 pckgBuf() = vadMode; |
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192 aMessage.WriteDataToClientL(pckgBuf); |
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193 } |
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194 aMessage.Complete(status); |
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195 } |
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196 |
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197 |
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198 |
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199 |
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200 // End of File |