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1 /* |
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2 * Copyright (c) 2004-2007 Nokia Corporation and/or its subsidiary(-ies). |
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3 * All rights reserved. |
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4 * This component and the accompanying materials are made available |
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5 * under the terms of "Eclipse Public License v1.0" |
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6 * which accompanies this distribution, and is available |
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7 * at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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8 * |
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9 * Initial Contributors: |
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10 * Nokia Corporation - initial contribution. |
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11 * |
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12 * Contributors: |
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13 * |
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14 * Description: This file contains the implementation of Recognition Algorithm |
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15 * Manager, a submodule of DevASR. |
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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 #ifdef _DEBUG |
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22 #include <e32svr.h> |
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23 #endif |
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24 #include "devasrrecognitionalgmgr.h" |
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25 #include "rubydebug.h" |
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26 |
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27 // CONSTANTS |
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28 const TInt KInitFrontEnd = 1; |
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29 //const TInt KInitTrainBE = 2; |
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30 const TInt KInitRecognizerBE = 3; |
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31 const TInt KLoadGrammar = 4; |
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32 const TInt KLoadLexicon = 5; |
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33 const TInt KLoadModels = 6; |
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34 //const TInt KUtteranceDataRcvd = 7; |
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35 const TInt KActivateGrammar = 8; |
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36 const TInt KDeActivateGrammar = 9; |
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37 const TInt KUnloadRule = 10; |
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38 const TInt KUnloadGrammar = 11; |
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39 |
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40 //_LIT( KPanicDescriptor, "CRecognitionAlgMgr Panic" ); |
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41 |
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42 // ============================ MEMBER FUNCTIONS =============================== |
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43 |
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44 // ----------------------------------------------------------------------------- |
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45 // CRecognitionAlgMgr::CRecognitionAlgMgr |
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46 // C++ default constructor can NOT contain any code, that |
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47 // might leave. |
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48 // ----------------------------------------------------------------------------- |
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49 // |
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50 CRecognitionAlgMgr::CRecognitionAlgMgr( MRecAlgMgrObserver& aObserver ) |
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51 : CActive( CActive::EPriorityStandard ), |
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52 iRecAlgMgrObserver( &aObserver ), |
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53 iCombinedGrammar( NULL ), |
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54 iCombineNeeded( ETrue ), |
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55 iInitialized( EFalse ), |
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56 iRecoHw( NULL ), |
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57 iAdaptHw( NULL ), |
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58 iSDModelBank( NULL ), |
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59 iSIModelBank( NULL ), |
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60 iSDGrammar( NULL ), |
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61 iSIGrammar( NULL ), |
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62 iSICompGrammar( NULL ), |
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63 iSDCompGrammar( NULL ), |
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64 iSDLexicon( NULL ), |
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65 iSILexicon( NULL ), |
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66 iFEState( EIdle ), |
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67 iBEState( EIdle ), |
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68 iFeatures( EFalse ), |
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69 iAdaptation( ETrue ), |
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70 iAdaptationData( NULL ) |
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71 { |
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72 RUBY_DEBUG0( "CRecognitionAlgMgr::CRecognitionAlgMgr()" ); |
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73 } |
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74 |
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75 |
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76 // ----------------------------------------------------------------------------- |
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77 // CRecognitionAlgMgr::ConstructL |
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78 // Symbian 2nd phase constructor can leave. |
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79 // ----------------------------------------------------------------------------- |
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80 // |
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81 void CRecognitionAlgMgr::ConstructL() |
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82 { |
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83 RUBY_DEBUG_BLOCK( "CRecognitionAlgMgr::ConstructL()" ); |
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84 |
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85 iRecoHw = CASRSRecognitionHwDevice::NewL( *this ); |
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86 iRecoHw->InitializeL(); |
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87 |
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88 iAdaptHw = CASRSAdaptHwDevice::NewL( *this ); |
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89 iAdaptHw->InitializeL(); |
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90 |
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91 CActiveScheduler::Add(this); |
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92 |
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93 RUBY_DEBUG1( "CRecognitionAlgMgr::ConstructL(): RecoHwDevice instance [%x]", iRecoHw ); |
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94 } |
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95 |
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96 |
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97 // ----------------------------------------------------------------------------- |
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98 // CRecognitionAlgMgr::NewL |
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99 // Two-phased constructor. |
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100 // ----------------------------------------------------------------------------- |
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101 // |
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102 CRecognitionAlgMgr* CRecognitionAlgMgr::NewL( MRecAlgMgrObserver& aObserver ) |
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103 { |
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104 RUBY_DEBUG_BLOCK( "CRecognitionAlgMgr::ConstructL()" ); |
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105 |
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106 CRecognitionAlgMgr* self = new ( ELeave ) CRecognitionAlgMgr( aObserver ); |
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107 |
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108 CleanupStack::PushL( self ); |
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109 self->ConstructL(); |
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110 CleanupStack::Pop( self ); |
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111 |
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112 return self; |
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113 } |
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114 |
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115 |
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116 // ----------------------------------------------------------------------------- |
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117 // CRecognitionAlgMgr::~CRecognitionAlgMgr |
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118 // Destructor |
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119 // ----------------------------------------------------------------------------- |
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120 // |
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121 CRecognitionAlgMgr::~CRecognitionAlgMgr() |
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122 { |
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123 RUBY_DEBUG0( "CRecognitionAlgMgr::~CRecognitionAlgMgr()" ); |
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124 |
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125 iSIActiveGrammars.Reset(); |
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126 iSIDeActivatedGrammars.Reset(); |
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127 iNBestList.Reset(); |
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128 iScores.Reset(); |
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129 |
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130 if ( iRecoHw != NULL ) |
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131 { |
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132 iRecoHw->Clear(); |
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133 delete iRecoHw; |
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134 } |
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135 |
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136 if ( iAdaptHw != NULL ) |
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137 { |
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138 iAdaptHw->Clear(); |
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139 delete iAdaptHw; |
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140 } |
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141 |
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142 delete iCombinedGrammar; |
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143 |
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144 iBlackList.ResetAndDestroy(); |
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145 iBlackList.Close(); |
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146 |
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147 delete iAdaptationData; |
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148 } |
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149 |
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150 |
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151 // ----------------------------------------------------------------------------- |
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152 // CRecognitionAlgMgr::AdaptModelsL |
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153 // Adapts models. |
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154 // ----------------------------------------------------------------------------- |
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155 // |
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156 void CRecognitionAlgMgr::AdaptModelsL( const CSIResultSet& aResultSet, |
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157 TInt aResultIndex, |
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158 TLanguage aLanguage ) |
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159 { |
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160 RUBY_DEBUG_BLOCK( "CRecognitionAlgMgr::AdaptModelsL()" ); |
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161 |
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162 RUBY_DEBUG1( "CRecognitionAlgMgr::AdaptModelsL aResultIndex: %x", aResultIndex ); |
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163 |
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164 // TODO: Not too nice to remove consts like this |
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165 CSIResult& iCorrectResult = ( CSIResult& ) aResultSet.AtL( aResultIndex ); |
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166 |
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167 // Check that we have a modelbank to adapt |
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168 if ( iSIModelBank == NULL ) |
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169 { |
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170 User::Leave( KErrNotReady ); |
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171 } |
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172 |
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173 CSIResultSet& iResultSet = ( CSIResultSet& ) aResultSet; |
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174 iAdaptHw->StartAdaptationL( iResultSet.AdaptationData(), |
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175 *iSIModelBank, |
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176 iCorrectResult.Pronunciation(), |
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177 aLanguage ); |
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178 } |
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179 |
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180 |
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181 // ----------------------------------------------------------------------------- |
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182 // CRecognitionAlgMgr::InitFrontEnd |
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183 // Receives the initialize frontend request and starts an asynchronous handler |
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184 // for the request. |
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185 // ----------------------------------------------------------------------------- |
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186 // |
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187 void CRecognitionAlgMgr::InitFrontEnd( TRecognizerMode aMode ) |
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188 { |
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189 RUBY_DEBUG0( "CRecognitionAlgMgr::InitFrontEnd()" ); |
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190 |
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191 // Save arguments and set code |
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192 iMode = aMode; |
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193 iRequestFunction = KInitFrontEnd; |
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194 Ready( KErrNone ); |
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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 // CRecognitionAlgMgr::HandleInitFrontEnd |
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200 // Asynchronously handles the initialize frontend request. The front-end module |
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201 // is started as a result. |
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202 // ----------------------------------------------------------------------------- |
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203 // |
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204 void CRecognitionAlgMgr::HandleInitFrontEnd() |
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205 { |
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206 RUBY_DEBUG0( "CRecognitionAlgMgr::HandleInitFrontEnd()" ); |
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207 |
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208 if ( !iInitialized ) |
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209 { |
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210 iRecAlgMgrObserver->InitFEComplete( KErrNotReady ); |
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211 return; |
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212 } |
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213 |
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214 if ( iFEState != EIdle ) |
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215 { |
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216 iRecAlgMgrObserver->InitFEComplete( KErrInUse ); |
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217 return; |
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218 } |
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219 |
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220 if ( iMode != ESiRecognition && iMode != ESiRecognitionSpeechInput ) |
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221 { |
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222 iRecAlgMgrObserver->InitFEComplete( KErrNotSupported ); |
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223 return; |
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224 } |
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225 |
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226 TInt error = KErrNone; |
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227 |
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228 if ( iFeatures || iAdaptation ) |
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229 { |
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230 TRAP( error, iRecoHw->InitRecognizerFEL( ETrue ) ); |
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231 } |
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232 else |
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233 { |
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234 TRAP( error, iRecoHw->InitRecognizerFEL( EFalse ) ); |
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235 } |
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236 |
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237 iRecAlgMgrObserver->InitFEComplete( error ); |
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238 } |
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239 |
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240 |
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241 // ----------------------------------------------------------------------------- |
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242 // CRecognitionAlgMgr::InitRecognizerBE |
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243 // Receives the initialize recognition backend request and starts an asynchronous |
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244 // handler for the request. |
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245 // ----------------------------------------------------------------------------- |
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246 // |
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247 void CRecognitionAlgMgr::InitRecognizerBE( CSIResultSet& aResult ) |
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248 { |
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249 RUBY_DEBUG0( "CRecognitionAlgMgr::InitRecognizerBE()" ); |
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250 |
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251 // Save arguments and set code |
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252 iSDResult = NULL; |
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253 iSIResult = &aResult; |
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254 iRequestFunction = KInitRecognizerBE; |
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255 Ready( KErrNone ); |
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256 } |
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257 |
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258 |
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259 // ----------------------------------------------------------------------------- |
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260 // CRecognitionAlgMgr::HandleInitRecognizerBE |
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261 // Asynchronously handles the initialize recognition backend request. The backend |
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262 // module for recognition function is started as a result. |
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263 // ----------------------------------------------------------------------------- |
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264 // |
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265 void CRecognitionAlgMgr::HandleInitRecognizerBE() |
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266 { |
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267 RUBY_DEBUG0( "CRecognitionAlgMgr::HandleInitRecognizerBE()" ); |
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268 |
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269 if ( !iInitialized ) |
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270 { |
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271 iRecAlgMgrObserver->InitRecognizerBEComplete( KErrNotReady ); |
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272 return; |
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273 } |
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274 |
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275 if ( iBEState != EIdle ) |
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276 { |
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277 iRecAlgMgrObserver->InitRecognizerBEComplete( KErrInUse ); |
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278 return; |
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279 } |
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280 TInt error( KErrNone ); |
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281 if ( iSDResult ) |
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282 { |
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283 iRecAlgMgrObserver->InitRecognizerBEComplete( KErrNotSupported ); |
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284 return; |
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285 } |
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286 else if ( iSIResult ) |
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287 { |
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288 // Call RecoHwDevice |
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289 if ( ( iSIActiveGrammars.Count() == 0 ) || ( iSIModelBank == NULL ) ) |
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290 { |
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291 // Guess it is ok to leave with KErrNotReady if all necessary |
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292 iRecAlgMgrObserver->InitRecognizerBEComplete( KErrNotReady ); |
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293 return; |
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294 } |
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295 else |
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296 { |
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297 if ( iCombineNeeded ) |
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298 { |
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299 delete iCombinedGrammar; |
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300 iCombinedGrammar = NULL; |
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301 |
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302 TRAPD( error, iRecAlgMgrObserver->CombineGrammarL( iSIActiveGrammars, iBlackList ) ); |
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303 if ( error != KErrNone ) |
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304 { |
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305 iRecAlgMgrObserver->InitRecognizerBEComplete( error ); |
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306 } |
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307 // Wait for the callback from grammar compilation! |
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308 return; |
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309 } |
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310 // Call reco HW device |
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311 TRAP( error, iRecoHw->InitRecognizerBEL( iCombinedGrammar->Des(), *iSIModelBank ) ); |
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312 if ( error != KErrNone ) |
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313 { |
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314 iRecAlgMgrObserver->InitRecognizerBEComplete( error ); |
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315 } |
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316 } |
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317 } |
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318 else |
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319 { |
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320 error = KErrArgument; |
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321 } |
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322 |
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323 if ( error == KErrNone ) |
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324 { |
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325 iBEState = EProcessing; |
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326 } |
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327 } |
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328 |
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329 |
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330 // ----------------------------------------------------------------------------- |
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331 // CRecognitionAlgMgr::LoadGrammarL |
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332 // Receives the load grammar request and start the asynchronous handler. |
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333 // ----------------------------------------------------------------------------- |
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334 // |
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335 void CRecognitionAlgMgr::LoadGrammarL( const CSIGrammar& aGrammar ) |
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336 { |
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337 RUBY_DEBUG_BLOCK( "CRecognitionAlgMgr::LoadGrammarL()" ); |
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338 |
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339 if ( IsActive() ) |
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340 { |
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341 // Callback before the request function returns |
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342 User::Leave( KErrServerBusy ); |
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343 return; |
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344 } |
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345 |
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346 // Save arguments and set code |
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347 iSIGrammar = &aGrammar; |
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348 iRequestFunction = KLoadGrammar; |
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349 Ready( KErrNone ); |
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350 } |
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351 |
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352 |
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353 // ----------------------------------------------------------------------------- |
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354 // CRecognitionAlgMgr::LoadGrammarL |
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355 // Receives the load grammar request and start the asynchronous handler. |
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356 // ----------------------------------------------------------------------------- |
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357 // |
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358 void CRecognitionAlgMgr::LoadGrammarL( const CSICompiledGrammar& aGrammar ) |
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359 { |
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360 RUBY_DEBUG_BLOCK( "CRecognitionAlgMgr::LoadGrammarL()" ); |
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361 |
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362 if ( IsActive() ) |
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363 { |
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364 // Callback before the request function returns |
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365 User::Leave( KErrServerBusy ); |
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366 return; |
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367 } |
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368 |
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369 // Save arguments and set code |
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370 iSICompGrammar = &aGrammar; |
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371 /* __ASSERT_DEBUG( iSDGrammar == NULL, User::Panic( KPanicDescriptor, KErrCorrupt ) ); |
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372 __ASSERT_DEBUG( iSIGrammar == NULL, User::Panic( KPanicDescriptor, KErrCorrupt ) );*/ |
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373 iRequestFunction = KLoadGrammar; |
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374 Ready( KErrNone ); |
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375 } |
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376 |
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377 |
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378 // ----------------------------------------------------------------------------- |
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379 // CRecognitionAlgMgr::HandleLoadGrammar |
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380 // Asynchronous handler for Load Grammar request. |
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381 // ----------------------------------------------------------------------------- |
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382 // |
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383 void CRecognitionAlgMgr::HandleLoadGrammar() |
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384 { |
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385 RUBY_DEBUG0( "CRecognitionAlgMgr::HandleLoadGrammar()" ); |
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386 |
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387 TInt error( KErrNone ); |
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388 |
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389 if ( !iInitialized ) |
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390 { |
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391 iRecAlgMgrObserver->LoadGrammarComplete( KErrNotReady ); |
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392 return; |
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393 } |
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394 |
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395 if ( iSICompGrammar ) |
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396 { |
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397 |
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398 if ( iSICompGrammar->Count() < 1 ) |
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399 { |
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400 iRecAlgMgrObserver->LoadGrammarComplete( KErrArgument ); |
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401 return; |
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402 } |
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403 |
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404 error = iSIActiveGrammars.Append( iSICompGrammar ); |
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405 |
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406 iSICompGrammar = NULL; |
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407 |
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408 // Mark that there is need to recombine grammars |
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409 iCombineNeeded = ETrue; |
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410 |
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411 iRecAlgMgrObserver->LoadGrammarComplete( error ); |
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412 |
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413 } |
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414 else |
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415 { |
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416 iRecAlgMgrObserver->LoadGrammarComplete( KErrNotSupported ); |
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417 } |
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418 } |
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419 |
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420 |
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421 // ----------------------------------------------------------------------------- |
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422 // CRecognitionAlgMgr::UnloadGrammarL |
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423 // Receives the unload grammar request and start the asynchronous handler. |
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424 // ----------------------------------------------------------------------------- |
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425 // |
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426 void CRecognitionAlgMgr::UnloadGrammarL( const CSIGrammar& aGrammar ) |
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427 { |
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428 RUBY_DEBUG_BLOCK( "CRecognitionAlgMgr::UnloadGrammarL()" ); |
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429 |
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430 if ( IsActive() ) |
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431 { |
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432 // Callback before the request function returns |
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433 User::Leave( KErrServerBusy ); |
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434 return; |
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435 } |
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436 |
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437 // Save arguments and set code |
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438 iSIGrammar = &aGrammar; |
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439 iRequestFunction = KUnloadGrammar; |
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440 Ready( KErrNone ); |
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441 } |
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442 |
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443 |
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444 // ----------------------------------------------------------------------------- |
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445 // CRecognitionAlgMgr::UnloadGrammarL |
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446 // Receives the unload grammar request and start the asynchronous handler. |
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447 // ----------------------------------------------------------------------------- |
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448 // |
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449 void CRecognitionAlgMgr::UnloadGrammarL( const CSICompiledGrammar& aGrammar ) |
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450 { |
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451 RUBY_DEBUG_BLOCK( "CRecognitionAlgMgr::UnloadGrammarL()" ); |
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452 |
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453 if ( IsActive() ) |
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454 { |
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455 // Callback before the request function returns |
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456 User::Leave( KErrServerBusy ); |
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457 return; |
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458 } |
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459 |
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460 // Save arguments and set code |
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461 iSICompGrammar = &aGrammar; |
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462 iRequestFunction = KUnloadGrammar; |
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463 Ready( KErrNone ); |
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464 } |
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465 |
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466 |
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467 // ----------------------------------------------------------------------------- |
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468 // CRecognitionAlgMgr::HandleUnloadGrammar |
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469 // Asynchronous handler for Load Grammar request. |
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470 // ----------------------------------------------------------------------------- |
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471 // |
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472 void CRecognitionAlgMgr::HandleUnloadGrammar() |
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473 { |
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474 RUBY_DEBUG0( "CRecognitionAlgMgr::HandleUnloadGrammar()" ); |
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475 |
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476 CSICompiledGrammar* siActiveGrammar = NULL; |
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477 CSICompiledGrammar* siNonActiveGrammar = NULL; |
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478 |
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479 if ( !iInitialized ) |
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480 { |
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481 iRecAlgMgrObserver->UnloadGrammarComplete( KErrNotReady ); |
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482 return; |
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483 } |
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484 |
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485 if ( iSICompGrammar ) |
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486 { |
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487 |
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488 TRAPD( error, GetGrammarL( iSICompGrammar->GrammarID(), &siActiveGrammar, &siNonActiveGrammar ) ); // Leaves if not found |
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489 if ( error != KErrNone ) |
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490 { |
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491 iRecAlgMgrObserver->UnloadGrammarComplete( error ); |
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492 return; |
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493 } |
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494 |
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495 if ( siActiveGrammar ) |
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496 { |
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497 // Remove grammar from active grammars |
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498 iSIActiveGrammars.Remove( iSIActiveGrammars.Find( siActiveGrammar ) ); |
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499 // Mark that there is need to recombine grammars |
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500 iCombineNeeded = ETrue; |
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501 } |
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502 else if ( siNonActiveGrammar ) |
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503 { |
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504 // Remove grammar from deactive |
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505 iSIActiveGrammars.Remove( iSIActiveGrammars.Find( siActiveGrammar ) ); |
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506 // No need to set recombination flag |
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507 } |
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508 else |
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509 { |
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510 iRecAlgMgrObserver->UnloadGrammarComplete( KErrNotFound ); |
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511 return; |
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512 } |
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513 } |
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514 else |
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515 { |
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516 iRecAlgMgrObserver->UnloadGrammarComplete( KErrNotSupported ); |
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517 return; |
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518 } |
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519 |
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520 iRecAlgMgrObserver->UnloadGrammarComplete( KErrNone ); |
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521 } |
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522 |
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523 |
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524 // ----------------------------------------------------------------------------- |
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525 // CRecognitionAlgMgr::GetGrammarL |
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526 // Find grammar based on identifier |
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527 // ----------------------------------------------------------------------------- |
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528 // |
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529 void CRecognitionAlgMgr::GetGrammarL( const TSIGrammarID aGrammarID, |
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530 CSICompiledGrammar** aSIActiveGrammar, |
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531 CSICompiledGrammar** aSIDeActivatedGrammar ) |
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532 { |
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533 RUBY_DEBUG_BLOCK( "CRecognitionAlgMgr::GetGrammarL()" ); |
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534 |
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535 // Find the grammar. |
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536 // One of the arrays should contain the specified grammar and |
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537 // others are empty. |
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538 TInt i( 0 ); |
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539 |
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540 // SI active grammars. |
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541 for ( i = 0; i < iSIActiveGrammars.Count(); i++ ) |
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542 { |
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543 if ( aGrammarID == iSIActiveGrammars[i]->GrammarID() ) |
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544 { |
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545 // Grammar found. |
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546 *aSIActiveGrammar = iSIActiveGrammars[i]; |
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547 *aSIDeActivatedGrammar = NULL; |
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548 return; |
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549 } |
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550 } |
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551 |
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552 // SI deactived grammars. |
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553 for ( i = 0; i < iSIDeActivatedGrammars.Count(); i++ ) |
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554 { |
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555 if ( aGrammarID == iSIDeActivatedGrammars[i]->GrammarID() ) |
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556 { |
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557 // Grammar found. |
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558 *aSIDeActivatedGrammar = iSIDeActivatedGrammars[i]; |
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559 *aSIActiveGrammar = NULL; |
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560 return; |
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561 } |
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562 } |
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563 |
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564 User::Leave( KErrNotFound ); |
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565 } |
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566 |
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567 |
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568 // ----------------------------------------------------------------------------- |
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569 // CRecognitionAlgMgr::ActivateGrammarL |
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570 // Receives the load grammar request and start the asynchronous handler. |
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571 // ----------------------------------------------------------------------------- |
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572 // |
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573 void CRecognitionAlgMgr::ActivateGrammarL( const TSIGrammarID aGrammarID ) |
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574 { |
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575 RUBY_DEBUG_BLOCK( "CRecognitionAlgMgr::ActivateGrammarL()" ); |
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576 |
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577 if ( IsActive() ) |
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578 { |
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579 User::Leave( KErrServerBusy ); |
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580 } |
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581 |
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582 iRequestFunction = KActivateGrammar; |
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583 iGrammarID = aGrammarID; |
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584 Ready( KErrNone ); |
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585 } |
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586 |
|
587 |
|
588 // ----------------------------------------------------------------------------- |
|
589 // CRecognitionAlgMgr::HandleActivateGrammar |
|
590 // Asynchronous handler for activate grammar request. |
|
591 // ----------------------------------------------------------------------------- |
|
592 // |
|
593 void CRecognitionAlgMgr::HandleActivateGrammar() |
|
594 { |
|
595 RUBY_DEBUG0( "CRecognitionAlgMgr::HandleActivateGrammar()" ); |
|
596 |
|
597 CSICompiledGrammar* siActiveGrammar = NULL; |
|
598 CSICompiledGrammar* siNonActiveGrammar = NULL; |
|
599 |
|
600 if ( !iInitialized ) |
|
601 { |
|
602 iRecAlgMgrObserver->ActivateGrammarComplete( KErrNotReady ); |
|
603 } |
|
604 |
|
605 // Find the grammar |
|
606 TRAPD( error, GetGrammarL( iGrammarID, &siActiveGrammar, &siNonActiveGrammar ) ); // Leaves if not found |
|
607 if ( error != KErrNone ) |
|
608 { |
|
609 iRecAlgMgrObserver->ActivateGrammarComplete( error ); |
|
610 } |
|
611 |
|
612 if ( siActiveGrammar ) |
|
613 { |
|
614 // Do nothing since grammar is already active |
|
615 } |
|
616 else if ( siNonActiveGrammar ) |
|
617 { |
|
618 // Move item from non-active grammar list to active list |
|
619 iSIActiveGrammars.Append( siNonActiveGrammar ); |
|
620 iSIDeActivatedGrammars.Remove( iSIDeActivatedGrammars.Find( siNonActiveGrammar ) ); |
|
621 // Mark that there is need to recombine grammars |
|
622 iCombineNeeded = ETrue; |
|
623 } |
|
624 else |
|
625 { |
|
626 iRecAlgMgrObserver->ActivateGrammarComplete( KErrNotFound ); |
|
627 return; |
|
628 } |
|
629 |
|
630 iRecAlgMgrObserver->ActivateGrammarComplete( KErrNone ); |
|
631 } |
|
632 |
|
633 |
|
634 // ----------------------------------------------------------------------------- |
|
635 // CRecognitionAlgMgr::DeactivateGrammarL |
|
636 // Receives the load grammar request and start the asynchronous handler. |
|
637 // ----------------------------------------------------------------------------- |
|
638 // |
|
639 void CRecognitionAlgMgr::DeactivateGrammarL( const TSIGrammarID aGrammarID ) |
|
640 { |
|
641 RUBY_DEBUG_BLOCK( "CRecognitionAlgMgr::DeactivateGrammarL()" ); |
|
642 |
|
643 if ( IsActive() ) |
|
644 { |
|
645 User::Leave( KErrServerBusy ); |
|
646 } |
|
647 |
|
648 iRequestFunction = KDeActivateGrammar; |
|
649 iGrammarID = aGrammarID; |
|
650 Ready( KErrNone ); |
|
651 } |
|
652 |
|
653 |
|
654 // ----------------------------------------------------------------------------- |
|
655 // CRecognitionAlgMgr::HandleDeActivateGrammar |
|
656 // Asynchronous handler for deactivate grammar request. |
|
657 // ----------------------------------------------------------------------------- |
|
658 // |
|
659 void CRecognitionAlgMgr::HandleDeActivateGrammar() |
|
660 { |
|
661 RUBY_DEBUG0( "CRecognitionAlgMgr::HandleDeActivateGrammar()" ); |
|
662 |
|
663 CSICompiledGrammar* siActiveGrammar = NULL; |
|
664 CSICompiledGrammar* siNonActiveGrammar = NULL; |
|
665 |
|
666 if ( !iInitialized ) |
|
667 { |
|
668 iRecAlgMgrObserver->DeActivateGrammarComplete( KErrNotReady ); |
|
669 } |
|
670 |
|
671 // Find the grammar |
|
672 TRAPD( error, GetGrammarL( iGrammarID, &siActiveGrammar, &siNonActiveGrammar ) ); // Leaves if not found |
|
673 if ( error != KErrNone ) |
|
674 { |
|
675 iRecAlgMgrObserver->DeActivateGrammarComplete( error ); |
|
676 } |
|
677 |
|
678 if ( siActiveGrammar ) |
|
679 { |
|
680 // Move item from active grammar list to non-active list |
|
681 iSIDeActivatedGrammars.Append( siActiveGrammar ); |
|
682 iSIActiveGrammars.Remove( iSIActiveGrammars.Find( siActiveGrammar ) ); |
|
683 // Mark that there is need to recombine grammars |
|
684 iCombineNeeded = ETrue; |
|
685 } |
|
686 else if ( siNonActiveGrammar ) |
|
687 { |
|
688 // Do nothing since grammar is already inactive |
|
689 } |
|
690 else |
|
691 { |
|
692 iRecAlgMgrObserver->DeActivateGrammarComplete( KErrNotFound ); |
|
693 return; |
|
694 } |
|
695 |
|
696 iRecAlgMgrObserver->DeActivateGrammarComplete( KErrNone ); |
|
697 } |
|
698 |
|
699 |
|
700 // ----------------------------------------------------------------------------- |
|
701 // CRecognitionAlgMgr::LoadLexiconL |
|
702 // Receives the load lexicon request and start the asynchronous handler. |
|
703 // ----------------------------------------------------------------------------- |
|
704 // |
|
705 void CRecognitionAlgMgr::LoadLexiconL( const CSILexicon& aLexicon ) |
|
706 { |
|
707 RUBY_DEBUG_BLOCK( "CRecognitionAlgMgr::LoadLexiconL()" ); |
|
708 |
|
709 // Save arguments and set code |
|
710 if ( IsActive() ) |
|
711 { |
|
712 // Callback before the request function returns |
|
713 User::Leave( KErrServerBusy ); |
|
714 return; |
|
715 } |
|
716 |
|
717 iSILexicon = &aLexicon; |
|
718 |
|
719 iRequestFunction = KLoadLexicon; |
|
720 Ready( KErrNone ); |
|
721 } |
|
722 |
|
723 |
|
724 // ----------------------------------------------------------------------------- |
|
725 // CRecognitionAlgMgr::HandleLoadLexicon |
|
726 // Asynchronous handler for Load Lexicon request. |
|
727 // ----------------------------------------------------------------------------- |
|
728 // |
|
729 void CRecognitionAlgMgr::HandleLoadLexicon() |
|
730 { |
|
731 RUBY_DEBUG0( "CRecognitionAlgMgr::HandleLoadLexicon()" ); |
|
732 |
|
733 TInt error( KErrNone ); |
|
734 |
|
735 if ( !iInitialized ) |
|
736 { |
|
737 iRecAlgMgrObserver->LoadLexiconComplete( KErrNotReady ); |
|
738 return; |
|
739 } |
|
740 |
|
741 if ( iSDLexicon ) |
|
742 { |
|
743 iSDLexicon = NULL; |
|
744 iRecAlgMgrObserver->LoadLexiconComplete( KErrNotSupported ); |
|
745 return; |
|
746 } |
|
747 else if ( iSILexicon ) |
|
748 { |
|
749 } |
|
750 else |
|
751 { |
|
752 error = KErrArgument; |
|
753 } |
|
754 |
|
755 // Do not load empty lexicon |
|
756 if ( iSILexicon->Count() == 0 ) |
|
757 { |
|
758 iSILexicon = NULL; |
|
759 iRecAlgMgrObserver->LoadLexiconComplete( KErrArgument ); |
|
760 return; |
|
761 } |
|
762 |
|
763 /* __ASSERT_DEBUG( iSDLexicon == NULL, User::Panic( KPanicDescriptor, KErrCorrupt ) ); |
|
764 __ASSERT_DEBUG( iSILexicon == NULL, User::Panic( KPanicDescriptor, KErrCorrupt ) );*/ |
|
765 |
|
766 iRecAlgMgrObserver->LoadLexiconComplete( error ); |
|
767 } |
|
768 |
|
769 |
|
770 // ----------------------------------------------------------------------------- |
|
771 // CRecognitionAlgMgr::LoadModelsL |
|
772 // Receives the load models request and start the asynchronous handler. |
|
773 // ----------------------------------------------------------------------------- |
|
774 // |
|
775 void CRecognitionAlgMgr::LoadModelsL( const CSDModelBank& aModels ) |
|
776 { |
|
777 RUBY_DEBUG_BLOCK( "CRecognitionAlgMgr::LoadModelsL()" ); |
|
778 |
|
779 if ( IsActive() ) |
|
780 { |
|
781 User::Leave( KErrServerBusy ); |
|
782 return; |
|
783 } |
|
784 |
|
785 // Save arguments and set code |
|
786 iSDModelBank = ( CSDModelBank* ) &aModels; |
|
787 iRequestFunction = KLoadModels; |
|
788 Ready( KErrNone ); |
|
789 } |
|
790 |
|
791 |
|
792 // ----------------------------------------------------------------------------- |
|
793 // CRecognitionAlgMgr::LoadModelsL |
|
794 // Receives the load models request and start the asynchronous handler. |
|
795 // ----------------------------------------------------------------------------- |
|
796 // |
|
797 void CRecognitionAlgMgr::LoadModelsL( const CSIModelBank& aModels ) |
|
798 { |
|
799 RUBY_DEBUG_BLOCK( "CRecognitionAlgMgr::LoadModelsL()" ); |
|
800 |
|
801 if ( IsActive() ) |
|
802 { |
|
803 User::Leave( KErrServerBusy ); |
|
804 } |
|
805 |
|
806 // Save arguments and set code |
|
807 iSIModelBank = ( CSIModelBank* ) &aModels; |
|
808 iRequestFunction = KLoadModels; |
|
809 Ready( KErrNone ); |
|
810 } |
|
811 |
|
812 |
|
813 // ----------------------------------------------------------------------------- |
|
814 // CRecognitionAlgMgr::HandleLoadModels |
|
815 // Asynchronous handler for Load Models request. |
|
816 // ----------------------------------------------------------------------------- |
|
817 // |
|
818 void CRecognitionAlgMgr::HandleLoadModels() |
|
819 { |
|
820 RUBY_DEBUG0( "CRecognitionAlgMgr::HandleLoadModels()" ); |
|
821 |
|
822 TInt error( KErrNone ); |
|
823 |
|
824 if ( !iInitialized ) |
|
825 { |
|
826 iSDModelBank = NULL; |
|
827 iSIModelBank = NULL; |
|
828 iRecAlgMgrObserver->LoadModelsComplete( KErrNotReady ); |
|
829 return; |
|
830 } |
|
831 |
|
832 if ( iSDModelBank ) |
|
833 { |
|
834 // SD modelbank not supported |
|
835 iSDModelBank = NULL; |
|
836 iRecAlgMgrObserver->LoadModelsComplete( KErrNotSupported ); |
|
837 return; |
|
838 } |
|
839 else if ( iSIModelBank ) |
|
840 { |
|
841 } |
|
842 else |
|
843 { |
|
844 error = KErrArgument; |
|
845 } |
|
846 |
|
847 if ( iSIModelBank->Count() < 1 ) |
|
848 { |
|
849 iSIModelBank = NULL; |
|
850 iRecAlgMgrObserver->LoadModelsComplete( KErrArgument ); |
|
851 return; |
|
852 } |
|
853 |
|
854 /* __ASSERT_DEBUG( iSDModelBank == NULL, User::Panic( KPanicDescriptor, KErrCorrupt ) ); |
|
855 __ASSERT_DEBUG( iSIModelBank == NULL, User::Panic( KPanicDescriptor, KErrCorrupt ) );*/ |
|
856 |
|
857 iRecAlgMgrObserver->LoadModelsComplete( error ); |
|
858 } |
|
859 |
|
860 |
|
861 // ----------------------------------------------------------------------------- |
|
862 // CRecognitionAlgMgr::GetEnginePropertiesL |
|
863 // Retreive the properties of the underlying speech recognition engine. |
|
864 // An array of values corresponding to the querried identifiers will be populated. |
|
865 // The function may leave with KErrArgument. |
|
866 // ----------------------------------------------------------------------------- |
|
867 // |
|
868 void CRecognitionAlgMgr::GetEnginePropertiesL( const RArray<TInt>& aPropertyId, |
|
869 RArray<TInt>& aPropertyValue ) |
|
870 { |
|
871 RUBY_DEBUG_BLOCK( "CRecognitionAlgMgr::GetEnginePropertiesL()" ); |
|
872 |
|
873 for ( TInt index = 0; index < aPropertyId.Count(); index++ ) |
|
874 { |
|
875 switch( aPropertyId[index] ) |
|
876 { |
|
877 case KDevASRSendFeatures: |
|
878 if ( iFeatures ) |
|
879 { |
|
880 aPropertyValue[index] = 1; |
|
881 } |
|
882 else |
|
883 { |
|
884 aPropertyValue[index] = 0; |
|
885 } |
|
886 break; |
|
887 |
|
888 case KDevASRAdaptation: |
|
889 if ( iAdaptation ) |
|
890 { |
|
891 aPropertyValue[index] = 1; |
|
892 } |
|
893 else |
|
894 { |
|
895 aPropertyValue[index] = 0; |
|
896 } |
|
897 break; |
|
898 |
|
899 default: |
|
900 break; |
|
901 |
|
902 } |
|
903 } |
|
904 } |
|
905 |
|
906 |
|
907 // ----------------------------------------------------------------------------- |
|
908 // CRecognitionAlgMgr::LoadEnginePropertiesL |
|
909 // Loads properties to engine, invalid IDs are neglected. |
|
910 // ----------------------------------------------------------------------------- |
|
911 // |
|
912 void CRecognitionAlgMgr::LoadEnginePropertiesL( const RArray<TInt>& aParameterId, |
|
913 const RArray<TInt>& aParameterValue ) |
|
914 { |
|
915 RUBY_DEBUG_BLOCK( "CRecognitionAlgMgr::LoadEnginePropertiesL()" ); |
|
916 |
|
917 for ( TInt index = 0; index < aParameterId.Count(); index++ ) |
|
918 { |
|
919 switch( aParameterId[index] ) |
|
920 { |
|
921 case KDevASRSendFeatures: |
|
922 if ( aParameterValue[index] == 0 ) |
|
923 { |
|
924 iFeatures = EFalse; |
|
925 } |
|
926 else |
|
927 { |
|
928 iFeatures = ETrue; |
|
929 } |
|
930 break; |
|
931 |
|
932 case KDevASRAdaptation: |
|
933 if ( aParameterValue[index] == 0 ) |
|
934 { |
|
935 iAdaptation = EFalse; |
|
936 } |
|
937 else |
|
938 { |
|
939 iAdaptation = ETrue; |
|
940 } |
|
941 break; |
|
942 |
|
943 default: |
|
944 break; |
|
945 } |
|
946 } |
|
947 } |
|
948 |
|
949 |
|
950 // ----------------------------------------------------------------------------- |
|
951 // CRecognitionAlgMgr::SendSpeechData |
|
952 // Sends utterance data to recognizer. |
|
953 // ----------------------------------------------------------------------------- |
|
954 // |
|
955 void CRecognitionAlgMgr::SendSpeechData( TPtrC8& aBuffer, TBool aEnd ) |
|
956 { |
|
957 iRecoHw->SendSpeechData( aBuffer, aEnd ); |
|
958 } |
|
959 |
|
960 |
|
961 // ----------------------------------------------------------------------------- |
|
962 // CRecognitionAlgMgr::StartRecSession |
|
963 // Signal the start of a recognition sesion. |
|
964 // ----------------------------------------------------------------------------- |
|
965 // |
|
966 TInt CRecognitionAlgMgr::StartRecSession( TRecognizerMode aMode ) |
|
967 { |
|
968 RUBY_DEBUG0( "CRecognitionAlgMgr::StartRecSession()" ); |
|
969 |
|
970 TInt error( KErrNone ); |
|
971 |
|
972 if ( !iInitialized ) |
|
973 { |
|
974 return KErrNotReady; |
|
975 } |
|
976 |
|
977 if ( aMode == ESiRecognition ) |
|
978 { |
|
979 iMode = aMode; |
|
980 } |
|
981 else if ( aMode == ESiRecognitionSpeechInput ) |
|
982 { |
|
983 iMode = aMode; |
|
984 } |
|
985 else |
|
986 { |
|
987 return KErrNotSupported; |
|
988 } |
|
989 |
|
990 return error; |
|
991 } |
|
992 |
|
993 |
|
994 // ----------------------------------------------------------------------------- |
|
995 // CRecognitionAlgMgr::StartRecognitionL |
|
996 // Start recognition. |
|
997 // ----------------------------------------------------------------------------- |
|
998 // |
|
999 void CRecognitionAlgMgr::StartRecognitionL() |
|
1000 { |
|
1001 RUBY_DEBUG_BLOCK( "CRecognitionAlgMgr::StartRecognitionL()" ); |
|
1002 |
|
1003 if ( !iInitialized ) |
|
1004 { |
|
1005 return; |
|
1006 } |
|
1007 |
|
1008 // Reset the result IDs |
|
1009 iNBestList.Reset(); |
|
1010 iScores.Reset(); |
|
1011 |
|
1012 iRecoHw->StartRecognitionL( iNBestList, iScores ); |
|
1013 } |
|
1014 |
|
1015 |
|
1016 // ----------------------------------------------------------------------------- |
|
1017 // CRecognitionAlgMgr::EndRecSession |
|
1018 // Signal the end of a recognition sesion. |
|
1019 // ----------------------------------------------------------------------------- |
|
1020 // |
|
1021 void CRecognitionAlgMgr::EndRecSession() |
|
1022 { |
|
1023 RUBY_DEBUG0( "CRecognitionAlgMgr::EndRecSession()" ); |
|
1024 |
|
1025 // Reset grammars etc. |
|
1026 iSIActiveGrammars.Reset(); |
|
1027 iSIDeActivatedGrammars.Reset(); |
|
1028 iNBestList.Reset(); |
|
1029 iScores.Reset(); |
|
1030 iBlackList.ResetAndDestroy(); |
|
1031 |
|
1032 delete iCombinedGrammar; |
|
1033 iCombinedGrammar = NULL; |
|
1034 |
|
1035 iCombineNeeded = ETrue; |
|
1036 iSDModelBank = NULL; |
|
1037 iSIModelBank = NULL; |
|
1038 iSDGrammar = NULL; |
|
1039 iSIGrammar = NULL; |
|
1040 iSICompGrammar = NULL; |
|
1041 iSDCompGrammar = NULL; |
|
1042 iSDLexicon = NULL; |
|
1043 iSILexicon = NULL; |
|
1044 iFEState = EIdle; |
|
1045 iBEState = EIdle; |
|
1046 } |
|
1047 |
|
1048 |
|
1049 // ----------------------------------------------------------------------------- |
|
1050 // CRecognitionAlgMgr::Cancel |
|
1051 // Cancels the current and any on going requests/tasks. |
|
1052 // ----------------------------------------------------------------------------- |
|
1053 // |
|
1054 void CRecognitionAlgMgr::Cancel() |
|
1055 { |
|
1056 RUBY_DEBUG0( "CRecognitionAlgMgr::Cancel()" ); |
|
1057 |
|
1058 iRecoHw->StopRecognition(); |
|
1059 |
|
1060 iFEState = EIdle; |
|
1061 iBEState = EIdle; |
|
1062 |
|
1063 iAdaptHw->CancelAdaptation(); |
|
1064 |
|
1065 CActive::Cancel(); |
|
1066 } |
|
1067 |
|
1068 |
|
1069 // ----------------------------------------------------------------------------- |
|
1070 // CRecognitionAlgMgr::DoCancel |
|
1071 // Cancels the current and any on going requests/tasks. |
|
1072 // ----------------------------------------------------------------------------- |
|
1073 // |
|
1074 void CRecognitionAlgMgr::DoCancel() |
|
1075 { |
|
1076 RUBY_DEBUG0( "CRecognitionAlgMgr::DoCancel()" ); |
|
1077 } |
|
1078 |
|
1079 |
|
1080 // ----------------------------------------------------------------------------- |
|
1081 // CRecognitionAlgMgr::GetUtteranceDuration |
|
1082 // Get start and end point of utterance. |
|
1083 // ----------------------------------------------------------------------------- |
|
1084 // |
|
1085 TBool CRecognitionAlgMgr::GetUtteranceDuration( TUint32& /*aStartFrame*/, |
|
1086 TUint32& /*aEndFrame*/, |
|
1087 TReal& /*aFrameLength*/ ) |
|
1088 { |
|
1089 RUBY_DEBUG0( "CRecognitionAlgMgr::GetUtteranceDuration()" ); |
|
1090 |
|
1091 return EFalse; |
|
1092 } |
|
1093 |
|
1094 |
|
1095 // ----------------------------------------------------------------------------- |
|
1096 // CRecognitionAlgMgr::UnloadRule |
|
1097 // Unloads one rule from specified grammar. |
|
1098 // ----------------------------------------------------------------------------- |
|
1099 // |
|
1100 void CRecognitionAlgMgr::UnloadRule( TSIGrammarID aGrammarID, TSIRuleID aRuleID ) |
|
1101 { |
|
1102 RUBY_DEBUG0( "CRecognitionAlgMgr::UnloadRule()" ); |
|
1103 |
|
1104 if ( !IsActive() ) |
|
1105 { |
|
1106 iGrammarID = aGrammarID; |
|
1107 iRuleID = aRuleID; |
|
1108 iRequestFunction = KUnloadRule; |
|
1109 Ready( KErrNone ); |
|
1110 } |
|
1111 } |
|
1112 |
|
1113 |
|
1114 // ----------------------------------------------------------------------------- |
|
1115 // CRecognitionAlgMgr::HandleUnloadRule |
|
1116 // Asynchrounous handler for rule unload. |
|
1117 // ----------------------------------------------------------------------------- |
|
1118 // |
|
1119 void CRecognitionAlgMgr::HandleUnloadRule() |
|
1120 { |
|
1121 RUBY_DEBUG0( "CRecognitionAlgMgr::HandleUnloadRule()" ); |
|
1122 |
|
1123 TInt error = KErrNone; |
|
1124 CSICompiledGrammar* siActiveGrammar = NULL; |
|
1125 CSICompiledGrammar* siNonActiveGrammar = NULL; |
|
1126 CSICompiledGrammar* siGrammar = NULL; |
|
1127 |
|
1128 if ( !iInitialized ) |
|
1129 { |
|
1130 iRecAlgMgrObserver->UnloadRuleComplete( KErrNotReady ); |
|
1131 } |
|
1132 |
|
1133 TRAP( error, GetGrammarL( iGrammarID, &siActiveGrammar, &siNonActiveGrammar ) ); |
|
1134 if ( error != KErrNone ) |
|
1135 { |
|
1136 iRecAlgMgrObserver->UnloadRuleComplete( error ); |
|
1137 return; |
|
1138 } |
|
1139 |
|
1140 if ( siActiveGrammar != NULL ) |
|
1141 { |
|
1142 siGrammar = siActiveGrammar; |
|
1143 } |
|
1144 else if ( siNonActiveGrammar != NULL ) |
|
1145 { |
|
1146 siGrammar = siNonActiveGrammar; |
|
1147 } |
|
1148 else |
|
1149 { |
|
1150 iRecAlgMgrObserver->UnloadRuleComplete( KErrNotFound ); |
|
1151 return; |
|
1152 } |
|
1153 |
|
1154 // Check that given rule id can be found from the given grammar |
|
1155 if ( siGrammar->Find( iRuleID ) < 0 ) |
|
1156 { |
|
1157 iRecAlgMgrObserver->UnloadRuleComplete( KErrNotFound ); |
|
1158 return; |
|
1159 } |
|
1160 |
|
1161 // Fetch the actual rule object based on rule id |
|
1162 TRAP_IGNORE( |
|
1163 |
|
1164 CSIRule& blackRule = siGrammar->AtL( siGrammar->Find( iRuleID ) ); |
|
1165 |
|
1166 // Loop through the rule variants in blacklisted rule |
|
1167 for ( TInt i = 0; i < blackRule.Count(); i++ ) |
|
1168 { |
|
1169 // AtL should not leave in any case since i is every time |
|
1170 // within range 0..Count()-1 |
|
1171 CSIRuleVariant& blackVariant = blackRule.AtL( i ); |
|
1172 |
|
1173 // Create rule variant info |
|
1174 TSIRuleVariantInfo* info = new TSIRuleVariantInfo( iGrammarID, iRuleID, blackVariant.RuleVariantID() ); |
|
1175 if ( !info ) |
|
1176 { |
|
1177 iRecAlgMgrObserver->UnloadRuleComplete( KErrNoMemory ); |
|
1178 return; |
|
1179 } |
|
1180 |
|
1181 iBlackList.Append( info ); |
|
1182 } |
|
1183 ); // TRAP_IGNORE |
|
1184 |
|
1185 // Mark that new combination is needed |
|
1186 // iCombineNeeded = ETrue; |
|
1187 |
|
1188 iRecAlgMgrObserver->UnloadRuleComplete( error ); |
|
1189 } |
|
1190 |
|
1191 |
|
1192 // ----------------------------------------------------------------------------- |
|
1193 // CRecognitionAlgMgr::CombineComplete |
|
1194 // Notifies that grammar combination has been done. |
|
1195 // ----------------------------------------------------------------------------- |
|
1196 // |
|
1197 void CRecognitionAlgMgr::CombineComplete( HBufC8* aResult, TInt aError ) |
|
1198 { |
|
1199 RUBY_DEBUG0( "CRecognitionAlgMgr::CombineComplete()" ); |
|
1200 |
|
1201 if ( aError != KErrNone ) |
|
1202 { |
|
1203 iRecAlgMgrObserver->InitRecognizerBEComplete( aError ); |
|
1204 return; |
|
1205 } |
|
1206 |
|
1207 delete iCombinedGrammar; |
|
1208 iCombinedGrammar = NULL; |
|
1209 iCombinedGrammar = aResult; |
|
1210 |
|
1211 // Do the rest of BE initialization |
|
1212 TRAPD( error, iRecoHw->InitRecognizerBEL( iCombinedGrammar->Des(), *iSIModelBank ) ); |
|
1213 if ( error != KErrNone ) |
|
1214 { |
|
1215 iRecAlgMgrObserver->InitRecognizerBEComplete( error ); |
|
1216 } |
|
1217 } |
|
1218 |
|
1219 |
|
1220 // ----------------------------------------------------------------------------- |
|
1221 // MASRAdaptationHwDeviceObserver MIXIN impl begins |
|
1222 // ----------------------------------------------------------------------------- |
|
1223 |
|
1224 // ----------------------------------------------------------------------------- |
|
1225 // CRecognitionAlgMgr::MaahdAdaptationComplete |
|
1226 // Model adaptation has been completed. |
|
1227 // ----------------------------------------------------------------------------- |
|
1228 // |
|
1229 void CRecognitionAlgMgr::MaahdAdaptationComplete( TInt aError ) |
|
1230 { |
|
1231 // iAdaptHw->ClearAdaptation(); |
|
1232 iRecAlgMgrObserver->AdaptComplete( aError ); |
|
1233 } |
|
1234 |
|
1235 |
|
1236 // ----------------------------------------------------------------------------- |
|
1237 // MASRAdaptationHwDeviceObserver MIXIN impl begins |
|
1238 // ----------------------------------------------------------------------------- |
|
1239 |
|
1240 |
|
1241 |
|
1242 // ----------------------------------------------------------------------------- |
|
1243 // MASRSRecogHwDeviceObserver MIXIN impl begins |
|
1244 // ----------------------------------------------------------------------------- |
|
1245 |
|
1246 |
|
1247 // ----------------------------------------------------------------------------- |
|
1248 // CRecognitionAlgMgr::MarhdoRequestSpeechData |
|
1249 // Forwards request to upper layers. |
|
1250 // ----------------------------------------------------------------------------- |
|
1251 // |
|
1252 void CRecognitionAlgMgr::MarhdoRequestSpeechData() |
|
1253 { |
|
1254 iRecAlgMgrObserver->RequestSpeechData(); |
|
1255 } |
|
1256 |
|
1257 |
|
1258 // ----------------------------------------------------------------------------- |
|
1259 // CRecognitionAlgMgr::MarhdoInitializationComplete |
|
1260 // Initialization of Hw Device has been completed. |
|
1261 // ----------------------------------------------------------------------------- |
|
1262 // |
|
1263 void CRecognitionAlgMgr::MarhdoInitializationComplete( TInt aError ) |
|
1264 { |
|
1265 if ( aError == KErrNone ) |
|
1266 { |
|
1267 iInitialized = ETrue; |
|
1268 } |
|
1269 } |
|
1270 |
|
1271 |
|
1272 // ----------------------------------------------------------------------------- |
|
1273 // CRecognitionAlgMgr::MarhdoRecognizerFEComplete |
|
1274 // FE has been initialized. |
|
1275 // ----------------------------------------------------------------------------- |
|
1276 // |
|
1277 void CRecognitionAlgMgr::MarhdoInitRecognizerFEComplete( TInt aError ) |
|
1278 { |
|
1279 RUBY_DEBUG1( "CRecognitionAlgMgr::MarhdoInitRecognizerFEComplete(), Status: %d", aError ); |
|
1280 |
|
1281 if ( aError == KErrNone ) |
|
1282 { |
|
1283 iFEState = EIdle; |
|
1284 } |
|
1285 iRecAlgMgrObserver->InitFEComplete( aError ); |
|
1286 } |
|
1287 |
|
1288 |
|
1289 // ----------------------------------------------------------------------------- |
|
1290 // CRecognitionAlgMgr::MarhdoRecognizerBEComplete |
|
1291 // BE has been initialized. |
|
1292 // ----------------------------------------------------------------------------- |
|
1293 // |
|
1294 void CRecognitionAlgMgr::MarhdoInitRecognizerBEComplete( TInt aError ) |
|
1295 { |
|
1296 RUBY_DEBUG1( "CRecognitionAlgMgr::MarhdoInitRecognizerBEComplete(), Status: %d", aError ); |
|
1297 |
|
1298 if ( aError == KErrNone ) |
|
1299 { |
|
1300 iBEState = EIdle; |
|
1301 } |
|
1302 iRecAlgMgrObserver->InitRecognizerBEComplete( aError ); |
|
1303 } |
|
1304 |
|
1305 |
|
1306 // ----------------------------------------------------------------------------- |
|
1307 // CRecognitionAlgMgr::MarhdoRecognitionComplete |
|
1308 // Recognition has been completed |
|
1309 // ----------------------------------------------------------------------------- |
|
1310 // |
|
1311 void CRecognitionAlgMgr::MarhdoRecognitionComplete( TInt aError ) |
|
1312 { |
|
1313 RUBY_DEBUG1( "CRecognitionAlgMgr::MarhdoRecognitionComplete, Status: %d", aError ); |
|
1314 |
|
1315 if ( iCombinedGrammar == NULL ) |
|
1316 { |
|
1317 RUBY_DEBUG0( "CRecognitionAlgMgr::HandleMarhdoRecognitionComplete, Cancelled" ); |
|
1318 delete iAdaptationData; |
|
1319 iAdaptationData = NULL; |
|
1320 iRecAlgMgrObserver->RecognitionComplete( KErrCancel ); |
|
1321 return; |
|
1322 } |
|
1323 |
|
1324 // Resolve result |
|
1325 iRecAlgMgrObserver->ResolveResult( iNBestList, *iSIResult, iSIActiveGrammars, |
|
1326 iCombinedGrammar->Des()/*, *iSIModelBank*/ ); |
|
1327 |
|
1328 |
|
1329 RUBY_DEBUG1( "CRecognitionAlgMgr::MarhdoRecognitionComplete, result resolved, result count: %d", iSIResult->Count() ); |
|
1330 |
|
1331 TRAP_IGNORE( |
|
1332 |
|
1333 // Put scores in place |
|
1334 for ( TInt i = 0; i < iSIResult->Count(); i++ ) |
|
1335 { |
|
1336 // Should not leave since we are every time within range |
|
1337 CSIResult& result = iSIResult->AtL( i ); |
|
1338 |
|
1339 if ( i < iScores.Count() ) |
|
1340 { |
|
1341 result.SetScore( iScores[i] ); |
|
1342 } |
|
1343 else |
|
1344 { |
|
1345 result.SetScore( 0 ); |
|
1346 } |
|
1347 } |
|
1348 |
|
1349 ); // TRAP_IGNORE |
|
1350 |
|
1351 iScores.Reset(); |
|
1352 |
|
1353 RUBY_DEBUG0( "CRecognitionAlgMgr::MarhdoRecognitionComplete, scores in place" ); |
|
1354 |
|
1355 // Put adaptation data in place if needed |
|
1356 if ( iAdaptation ) |
|
1357 { |
|
1358 iSIResult->SetAdaptationData( iAdaptationData ); |
|
1359 // Result set gains ownership, no need to delete |
|
1360 iAdaptationData = NULL; |
|
1361 RUBY_DEBUG0( "CRecognitionAlgMgr::MarhdoRecognitionComplete, adaptation data in place" ); |
|
1362 } |
|
1363 |
|
1364 iBEState = EIdle; |
|
1365 iFEState = EIdle; |
|
1366 iRecAlgMgrObserver->RecognitionComplete( aError ); |
|
1367 |
|
1368 RUBY_DEBUG0( "CRecognitionAlgMgr::MarhdoRecognitionComplete, ok, event sent" ); |
|
1369 } |
|
1370 |
|
1371 |
|
1372 // ----------------------------------------------------------------------------- |
|
1373 // CRecognitionAlgMgr::MarhdoEouDetected |
|
1374 // Called when EOU has been detected, no need to send samples anymore. |
|
1375 // ----------------------------------------------------------------------------- |
|
1376 // |
|
1377 void CRecognitionAlgMgr::MarhdoEouDetected( TInt aError ) |
|
1378 { |
|
1379 RUBY_DEBUG1( "CRecognitionAlgMgr::MarhdoEouDetected(), Status: %d", aError ); |
|
1380 |
|
1381 iRecAlgMgrObserver->EouDetected( aError ); |
|
1382 } |
|
1383 |
|
1384 |
|
1385 // ----------------------------------------------------------------------------- |
|
1386 // CRecognitionAlgMgr::MarhdoFeatureVector |
|
1387 // Feature vector sent by AsrRecognitionHwDevice |
|
1388 // ----------------------------------------------------------------------------- |
|
1389 // |
|
1390 void CRecognitionAlgMgr::MarhdoFeatureVector( const TDesC8& aFV, |
|
1391 TInt32 aSNR, |
|
1392 TInt32 aPosition ) |
|
1393 { |
|
1394 RUBY_DEBUG0( "CRecognitionAlgMgr::FeatureVectorDataRcvd()" ); |
|
1395 |
|
1396 // Collect data to one buffer |
|
1397 if ( iAdaptation ) |
|
1398 { |
|
1399 if ( aPosition == 0 ) |
|
1400 { |
|
1401 // Clear previous data if exists |
|
1402 if ( iAdaptationData ) |
|
1403 { |
|
1404 delete iAdaptationData; |
|
1405 iAdaptationData = NULL; |
|
1406 } |
|
1407 // Copy data to new buffer |
|
1408 iAdaptationData = HBufC8::New( aFV.Length() ); |
|
1409 if ( !iAdaptationData ) |
|
1410 { |
|
1411 return; |
|
1412 } |
|
1413 TPtr8 bufferPtr( iAdaptationData->Des() ); |
|
1414 bufferPtr.Copy( aFV.Ptr(), aFV.Length() ); |
|
1415 } |
|
1416 else if ( aPosition > 0 ) |
|
1417 { |
|
1418 if ( iAdaptationData != NULL ) |
|
1419 { |
|
1420 // Append data to existing buffer |
|
1421 iAdaptationData = iAdaptationData->ReAlloc( iAdaptationData->Length() + aFV.Length() ); |
|
1422 // Check that we got enough memory for new buffer |
|
1423 if ( iAdaptationData == NULL ) |
|
1424 { |
|
1425 return; |
|
1426 } |
|
1427 TPtr8 bufferPtr( iAdaptationData->Des() ); |
|
1428 bufferPtr.Append( aFV ); |
|
1429 } |
|
1430 else |
|
1431 { |
|
1432 // Do a new buffer since there is no existing one |
|
1433 iAdaptationData = HBufC8::New( aFV.Length() ); |
|
1434 if ( !iAdaptationData ) |
|
1435 { |
|
1436 return; |
|
1437 } |
|
1438 TPtr8 bufferPtr( iAdaptationData->Des() ); |
|
1439 bufferPtr.Copy( aFV.Ptr(), aFV.Length() ); |
|
1440 } |
|
1441 } |
|
1442 } |
|
1443 // Same callback to client if needed |
|
1444 if ( iFeatures ) |
|
1445 { |
|
1446 iRecAlgMgrObserver->FeatureVectorDataRcvd( aFV, aSNR, aPosition ); |
|
1447 } |
|
1448 } |
|
1449 |
|
1450 |
|
1451 // ----------------------------------------------------------------------------- |
|
1452 // MASRSRecogHwDeviceObserver MIXIN impl ends |
|
1453 // ----------------------------------------------------------------------------- |
|
1454 |
|
1455 |
|
1456 // ----------------------------------------------------------------------------- |
|
1457 // Active object implementation begins |
|
1458 // ----------------------------------------------------------------------------- |
|
1459 |
|
1460 |
|
1461 // ----------------------------------------------------------------------------- |
|
1462 // CRecognitionAlgMgr::RunL |
|
1463 // Invoke by the active scheduler when a request completes. |
|
1464 // ----------------------------------------------------------------------------- |
|
1465 // |
|
1466 void CRecognitionAlgMgr::RunL() |
|
1467 { |
|
1468 RUBY_DEBUG_BLOCK( "CRecognitionAlgMgr::RunL()" ); |
|
1469 |
|
1470 switch(iRequestFunction) |
|
1471 { |
|
1472 case KInitFrontEnd: |
|
1473 HandleInitFrontEnd(); |
|
1474 break; |
|
1475 |
|
1476 case KInitRecognizerBE: |
|
1477 HandleInitRecognizerBE(); |
|
1478 break; |
|
1479 |
|
1480 case KLoadGrammar: |
|
1481 HandleLoadGrammar(); |
|
1482 break; |
|
1483 |
|
1484 case KLoadLexicon: |
|
1485 HandleLoadLexicon(); |
|
1486 break; |
|
1487 |
|
1488 case KLoadModels: |
|
1489 HandleLoadModels(); |
|
1490 break; |
|
1491 |
|
1492 case KActivateGrammar: |
|
1493 HandleActivateGrammar(); |
|
1494 break; |
|
1495 |
|
1496 case KDeActivateGrammar: |
|
1497 HandleDeActivateGrammar(); |
|
1498 break; |
|
1499 |
|
1500 case KUnloadRule: |
|
1501 HandleUnloadRule(); |
|
1502 break; |
|
1503 |
|
1504 case KUnloadGrammar: |
|
1505 HandleUnloadGrammar(); |
|
1506 break; |
|
1507 |
|
1508 default: |
|
1509 break; |
|
1510 }; |
|
1511 |
|
1512 } |
|
1513 |
|
1514 |
|
1515 // ----------------------------------------------------------------------------- |
|
1516 // CRecognitionAlgMgr::Ready |
|
1517 // Utility function to post a request complete |
|
1518 // ----------------------------------------------------------------------------- |
|
1519 // |
|
1520 void CRecognitionAlgMgr::Ready( const TInt aStatus ) |
|
1521 { |
|
1522 TRequestStatus* stat = &iStatus; |
|
1523 User::RequestComplete( stat, aStatus ); |
|
1524 SetActive(); |
|
1525 } |
|
1526 |
|
1527 |
|
1528 // ----------------------------------------------------------------------------- |
|
1529 // Active object impl ends |
|
1530 // ----------------------------------------------------------------------------- |
|
1531 |
|
1532 |
|
1533 // ----------------------------------------------------------------------------- |
|
1534 // CRecognitionAlgMgr::AlgorithmState |
|
1535 // Utility function to print out the state of the algorithms. |
|
1536 // ----------------------------------------------------------------------------- |
|
1537 // |
|
1538 void CRecognitionAlgMgr::AlgorithmState() |
|
1539 { |
|
1540 #ifdef _DEBUG |
|
1541 switch ( iFEState ) |
|
1542 { |
|
1543 case EIdle: |
|
1544 RUBY_DEBUG1( "Recognition algorithm is: [%d] - EIdle", iFEState ); |
|
1545 break; |
|
1546 |
|
1547 case EProcessing: |
|
1548 RUBY_DEBUG1( "Recognition algorithm is: [%d] - EProcessing", iFEState ); |
|
1549 break; |
|
1550 |
|
1551 case ECancel: |
|
1552 RUBY_DEBUG1( "Recognition algorithm is: [%d] - ECancel", iFEState ); |
|
1553 break; |
|
1554 |
|
1555 default: |
|
1556 break; |
|
1557 }; |
|
1558 #endif |
|
1559 } |
|
1560 |
|
1561 // ----------------------------------------------------------------------------- |
|
1562 // CRecognitionAlgMgr::SetRejection |
|
1563 // Set rejection threshold. |
|
1564 // ----------------------------------------------------------------------------- |
|
1565 // |
|
1566 void CRecognitionAlgMgr::SetRejection( TUint32 aRejection ) |
|
1567 { |
|
1568 RUBY_DEBUG0( "CRecognitionAlgMgr::SetRejection()" ); |
|
1569 |
|
1570 iRecoHw->SetRejection( aRejection ); |
|
1571 } |