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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 speech encoder configuration 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 "SpeechEncoderConfigMsgHdlr.h" |
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22 #include "SpeechEncoderConfigMsgs.h" |
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23 #include <SpeechEncoderConfig.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 // CSpeechEncoderConfigMsgHdlr::CSpeechEncoderConfigMsgHdlr |
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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 CSpeechEncoderConfigMsgHdlr::CSpeechEncoderConfigMsgHdlr( |
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52 CSpeechEncoderConfig* aSpeechEncoderConfigCI) : |
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53 CMMFObject(KUidSpeechEncoderConfig) |
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54 { |
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55 iSpeechEncoderConfigCI = aSpeechEncoderConfigCI; |
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56 } |
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57 |
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58 // ----------------------------------------------------------------------------- |
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59 // CSpeechEncoderConfigMsgHdlr::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 CSpeechEncoderConfigMsgHdlr::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 // CSpeechEncoderConfigMsgHdlr::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 CSpeechEncoderConfigMsgHdlr* CSpeechEncoderConfigMsgHdlr::NewL( |
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73 TAny* aSpeechEncoderConfigCI) |
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74 { |
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75 CSpeechEncoderConfig* speechEncoderConfigCI = |
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76 (CSpeechEncoderConfig*)aSpeechEncoderConfigCI; |
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77 CSpeechEncoderConfigMsgHdlr* self = |
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78 new (ELeave) CSpeechEncoderConfigMsgHdlr(speechEncoderConfigCI); |
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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 return self; |
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83 } |
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84 |
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85 // Destructor |
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86 EXPORT_C CSpeechEncoderConfigMsgHdlr::~CSpeechEncoderConfigMsgHdlr() |
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87 { |
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88 iSupportedBitrates.Close(); |
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89 delete iDataCopyBuffer; |
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90 delete iSpeechEncoderConfigCI; |
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91 } |
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92 |
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93 // --------------------------------------------------------- |
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94 // CSpeechEncoderConfigMsgHdlr::HandleRequest |
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95 // Handles the messages from the proxy. |
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96 // Calls a subfunction which determines which custom interface to call. |
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97 // A subfunction is used to contain multiple leaving functions for a single |
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98 // trap. |
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99 // (other items were commented in a header). |
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100 // --------------------------------------------------------- |
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101 // |
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102 EXPORT_C void CSpeechEncoderConfigMsgHdlr::HandleRequest(TMMFMessage& aMessage) |
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103 { |
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104 // debug panic |
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105 ASSERT(aMessage.Destination().InterfaceId() == KUidSpeechEncoderConfig); |
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106 TRAPD(error,DoHandleRequestL(aMessage)); |
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107 if(error) |
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108 { |
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109 aMessage.Complete(error); |
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110 } |
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111 } |
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112 |
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113 // --------------------------------------------------------- |
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114 // CSpeechEncoderConfigMsgHdlr::DoHandleRequestL |
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115 // Determines which custom interface to call. |
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116 // (other items were commented in a header). |
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117 // --------------------------------------------------------- |
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118 // |
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119 void CSpeechEncoderConfigMsgHdlr::DoHandleRequestL(TMMFMessage& aMessage) |
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120 { |
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121 switch(aMessage.Function()) |
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122 { |
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123 case ESecmGetNumOfSupportedBitrates: |
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124 { |
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125 DoGetNumOfSupportedBitratesL(aMessage); |
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126 break; |
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127 } |
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128 case ESecmGetSupportedBitrates: |
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129 { |
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130 DoGetSupportedBitratesL(aMessage); |
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131 break; |
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132 } |
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133 case ESecmSetBitrate: |
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134 { |
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135 DoSetBitrateL(aMessage); |
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136 break; |
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137 } |
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138 case ESecmGetBitrate: |
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139 { |
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140 DoGetBitrateL(aMessage); |
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141 break; |
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142 } |
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143 case ESecmSetVadMode: |
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144 { |
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145 DoSetVadModeL(aMessage); |
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146 break; |
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147 } |
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148 case ESecmGetVadMode: |
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149 { |
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150 DoGetVadModeL(aMessage); |
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151 break; |
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152 } |
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153 default: |
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154 { |
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155 aMessage.Complete(KErrNotSupported); |
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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 // --------------------------------------------------------- |
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161 // CSpeechEncoderConfigMsgHdlr::DoGetNumOfSupportedBitratesL |
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162 // Handles the message from the proxy and calls the custom interface. |
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163 // The custom interface returns the data requested and this function |
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164 // writes it back to the proxy. It also creates a buffer and fills |
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165 // it with the bitrate data to be returned in the subsequent call |
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166 // of DoGetSupportedBitratesL(). |
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167 // (other items were commented in a header). |
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168 // --------------------------------------------------------- |
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169 // |
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170 void CSpeechEncoderConfigMsgHdlr::DoGetNumOfSupportedBitratesL( |
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171 TMMFMessage& aMessage) |
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172 { |
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173 iSupportedBitrates.Reset(); |
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174 TInt status = iSpeechEncoderConfigCI->GetSupportedBitrates( |
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175 iSupportedBitrates); |
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176 CreateBufFromUintArrayL(iSupportedBitrates); |
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177 if (status == KErrNone) |
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178 { |
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179 TPckgBuf<TUint> pckg; |
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180 pckg() = iSupportedBitrates.Count(); |
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181 aMessage.WriteDataToClientL(pckg); |
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182 } |
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183 aMessage.Complete(status); |
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184 } |
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185 |
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186 // --------------------------------------------------------- |
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187 // CSpeechEncoderConfigMsgHdlr::CreateBufFromUintArrayL |
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188 // Utility function used to create a buffer a fill it with data from the array |
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189 // passed in. |
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190 // (other items were commented in a header). |
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191 // --------------------------------------------------------- |
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192 // |
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193 void CSpeechEncoderConfigMsgHdlr::CreateBufFromUintArrayL(RArray<TUint>& aArray) |
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194 { |
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195 delete iDataCopyBuffer; |
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196 iDataCopyBuffer = NULL; |
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197 |
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198 iDataCopyBuffer = CBufFlat::NewL(8); |
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199 RBufWriteStream stream; |
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200 stream.Open(*iDataCopyBuffer); |
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201 CleanupClosePushL(stream); |
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202 for (TInt i=0;i<aArray.Count();i++) |
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203 stream.WriteUint32L(aArray[i]); |
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204 CleanupStack::PopAndDestroy(&stream);//stream |
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205 } |
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206 |
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207 // --------------------------------------------------------- |
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208 // CSpeechEncoderConfigMsgHdlr::DoGetSupportedBitratesL |
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209 // Handles the message from the proxy and calls the custom interface. |
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210 // The custom interface returns the data requested and this function |
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211 // writes it back to the proxy. |
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212 // (other items were commented in a header). |
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213 // --------------------------------------------------------- |
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214 // |
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215 void CSpeechEncoderConfigMsgHdlr::DoGetSupportedBitratesL(TMMFMessage& aMessage) |
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216 { |
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217 if (!iDataCopyBuffer) |
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218 User::Leave(KErrNotReady); |
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219 aMessage.WriteDataToClientL(iDataCopyBuffer->Ptr(0)); |
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220 aMessage.Complete(KErrNone); |
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221 } |
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222 |
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223 // --------------------------------------------------------- |
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224 // CSpeechEncoderConfigMsgHdlr::DoSetBitrateL |
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225 // Handles the message from the proxy and calls the custom interface method. |
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226 // The data passed from the proxy is read from the message and passed to |
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227 // the custom interface. |
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228 // (other items were commented in a header). |
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229 // --------------------------------------------------------- |
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230 // |
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231 void CSpeechEncoderConfigMsgHdlr::DoSetBitrateL(TMMFMessage& aMessage) |
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232 { |
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233 TPckgBuf<TUint> pckg; |
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234 aMessage.ReadData1FromClientL(pckg); |
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235 TInt status = iSpeechEncoderConfigCI->SetBitrate(pckg()); |
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236 aMessage.Complete(status); |
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237 } |
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238 |
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239 // --------------------------------------------------------- |
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240 // CSpeechEncoderConfigMsgHdlr::DoGetBitrateL |
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241 // Handles the message from the proxy and calls the custom interface. |
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242 // The custom interface returns the data requested and this function |
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243 // writes it back to the proxy. |
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244 // (other items were commented in a header). |
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245 // --------------------------------------------------------- |
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246 // |
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247 void CSpeechEncoderConfigMsgHdlr::DoGetBitrateL(TMMFMessage& aMessage) |
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248 { |
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249 TUint bitrate; |
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250 TInt status = iSpeechEncoderConfigCI->GetBitrate(bitrate); |
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251 if (status == KErrNone) |
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252 { |
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253 TPckgBuf<TUint> pckg; |
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254 pckg() = bitrate; |
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255 aMessage.WriteDataToClientL(pckg); |
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256 } |
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257 aMessage.Complete(status); |
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258 } |
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259 |
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260 // --------------------------------------------------------- |
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261 // CSpeechEncoderConfigMsgHdlr::DoSetVadModeL |
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262 // Handles the message from the proxy and calls the custom interface method. |
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263 // The data passed from the proxy is read from the message and passed to |
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264 // the custom interface. |
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265 // (other items were commented in a header). |
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266 // --------------------------------------------------------- |
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267 // |
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268 void CSpeechEncoderConfigMsgHdlr::DoSetVadModeL(TMMFMessage& aMessage) |
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269 { |
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270 TPckgBuf<TBool> pckg; |
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271 aMessage.ReadData1FromClientL(pckg); |
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272 TInt status = iSpeechEncoderConfigCI->SetVadMode(pckg()); |
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273 aMessage.Complete(status); |
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274 } |
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275 |
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276 // --------------------------------------------------------- |
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277 // CSpeechEncoderConfigMsgHdlr::DoGetVadModeL |
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278 // Handles the message from the proxy and calls the custom interface. |
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279 // The custom interface returns the data requested and this function |
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280 // writes it back to the proxy. |
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281 // (other items were commented in a header). |
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282 // --------------------------------------------------------- |
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283 // |
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284 void CSpeechEncoderConfigMsgHdlr::DoGetVadModeL(TMMFMessage& aMessage) |
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285 { |
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286 TBool vadMode; |
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287 TInt status = iSpeechEncoderConfigCI->GetVadMode(vadMode); |
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288 if (status == KErrNone) |
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289 { |
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290 TPckgBuf<TBool> pckg; |
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291 pckg() = vadMode; |
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292 aMessage.WriteDataToClientL(pckg); |
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293 } |
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294 aMessage.Complete(status); |
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295 } |
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296 |
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297 |
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298 |
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299 // End of File |