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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 decoder 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 "G711DecoderIntfcMsgHdlr.h" |
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22 #include "G711DecoderIntfcMsgs.h" |
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23 #include <G711DecoderIntfc.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 // CG711DecoderIntfcMsgHdlr::CG711DecoderIntfcMsgHdlr |
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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 CG711DecoderIntfcMsgHdlr::CG711DecoderIntfcMsgHdlr( |
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52 CG711DecoderIntfc* aG711DecoderIntfcCI) : |
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53 CMMFObject(KUidG711DecoderIntfc) |
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54 { |
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55 iG711DecoderIntfcCI = aG711DecoderIntfcCI; |
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56 } |
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57 |
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58 // ----------------------------------------------------------------------------- |
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59 // CG711DecoderIntfcMsgHdlr::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 CG711DecoderIntfcMsgHdlr::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 // CG711DecoderIntfcMsgHdlr::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 CG711DecoderIntfcMsgHdlr* CG711DecoderIntfcMsgHdlr::NewL( |
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73 TAny* aG711DecoderIntfcCI) |
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74 { |
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75 CG711DecoderIntfc* errorConcealmentIntfcCI = |
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76 (CG711DecoderIntfc*)aG711DecoderIntfcCI; |
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77 CG711DecoderIntfcMsgHdlr* self = |
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78 new (ELeave) CG711DecoderIntfcMsgHdlr(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 CG711DecoderIntfcMsgHdlr::~CG711DecoderIntfcMsgHdlr() |
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88 { |
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89 delete iG711DecoderIntfcCI; |
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90 } |
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91 |
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92 // --------------------------------------------------------- |
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93 // CG711DecoderIntfcMsgHdlr::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 CG711DecoderIntfcMsgHdlr::HandleRequest( |
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102 TMMFMessage& aMessage) |
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103 { |
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104 ASSERT(aMessage.Destination().InterfaceId() == KUidG711DecoderIntfc); |
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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 // CG711DecoderIntfcMsgHdlr::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 CG711DecoderIntfcMsgHdlr::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 EG711dimSetDecoderMode: |
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123 { |
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124 DoSetDecoderModeL(aMessage); |
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125 break; |
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126 } |
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127 case EG711dimSetCng: |
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128 { |
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129 DoSetCngL(aMessage); |
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130 break; |
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131 } |
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132 case EG711dimGetCng: |
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133 { |
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134 DoGetCngL(aMessage); |
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135 break; |
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136 } |
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137 case EG711dimSetPlc: |
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138 { |
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139 DoSetPlcL(aMessage); |
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140 break; |
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141 } |
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142 default: |
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143 { |
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144 aMessage.Complete(KErrNotSupported); |
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145 } |
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146 } |
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147 } |
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148 |
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149 // --------------------------------------------------------- |
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150 // CG711DecoderIntfcMsgHdlr::DoSetDecoderModeL |
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151 // Handles the message from the proxy and calls the custom interface method. |
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152 // The data passed from the proxy is read from the message and passed to |
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153 // the custom interface. |
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154 // (other items were commented in a header). |
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155 // --------------------------------------------------------- |
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156 // |
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157 void CG711DecoderIntfcMsgHdlr::DoSetDecoderModeL(TMMFMessage& aMessage) |
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158 { |
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159 TPckgBuf<CG711DecoderIntfc::TDecodeMode> pckgBuf; |
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160 aMessage.ReadData1FromClientL(pckgBuf); |
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161 TInt status = iG711DecoderIntfcCI->SetDecoderMode(pckgBuf()); |
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162 aMessage.Complete(status); |
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163 } |
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164 |
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165 // --------------------------------------------------------- |
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166 // CG711DecoderIntfcMsgHdlr::DoSetCngL |
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167 // Handles the message from the proxy and calls the custom interface method. |
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168 // The data passed from the proxy is read from the message and passed to |
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169 // the custom interface. |
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170 // (other items were commented in a header). |
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171 // --------------------------------------------------------- |
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172 // |
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173 void CG711DecoderIntfcMsgHdlr::DoSetCngL(TMMFMessage& aMessage) |
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174 { |
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175 TPckgBuf<TBool> pckgBuf; |
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176 aMessage.ReadData1FromClientL(pckgBuf); |
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177 TInt status = iG711DecoderIntfcCI->SetCng(pckgBuf()); |
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178 aMessage.Complete(status); |
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179 } |
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180 |
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181 // --------------------------------------------------------- |
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182 // CG711DecoderIntfcMsgHdlr::DoGetCngL |
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183 // Handles the message from the proxy and calls the custom interface method. |
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184 // The custom interface returns the data requested and this function |
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185 // writes it back to the proxy. |
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186 // (other items were commented in a header). |
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187 // --------------------------------------------------------- |
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188 // |
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189 void CG711DecoderIntfcMsgHdlr::DoGetCngL(TMMFMessage& aMessage) |
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190 { |
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191 TBool cng; |
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192 TInt status = iG711DecoderIntfcCI->GetCng(cng); |
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193 if (status == KErrNone) |
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194 { |
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195 TPckgBuf<TBool> pckgBuf; |
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196 pckgBuf() = cng; |
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197 aMessage.WriteDataToClientL(pckgBuf); |
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198 } |
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199 aMessage.Complete(status); |
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200 } |
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201 |
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202 // --------------------------------------------------------- |
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203 // CG711DecoderIntfcMsgHdlr::DoSetPlcL |
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204 // Handles the message from the proxy and calls the custom interface method. |
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205 // The data passed from the proxy is read from the message and passed to |
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206 // the custom interface. |
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207 // (other items were commented in a header). |
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208 // --------------------------------------------------------- |
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209 // |
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210 void CG711DecoderIntfcMsgHdlr::DoSetPlcL(TMMFMessage& aMessage) |
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211 { |
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212 TPckgBuf<TBool> pckgBuf; |
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213 aMessage.ReadData1FromClientL(pckgBuf); |
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214 TInt status = iG711DecoderIntfcCI->SetPlc(pckgBuf()); |
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215 aMessage.Complete(status); |
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216 } |
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217 |
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218 |
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219 |
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220 // End of File |