1 /* |
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2 * Copyright (c) 2006-2007 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: Base class for TTS utility API |
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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 #ifndef NSSSIUTILITYBASE_H |
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20 #define NSSSIUTILITYBASE_H |
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21 |
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22 // INCLUDES |
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23 #include <e32base.h> |
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24 #include <nsssispeechrecognitiondataclient.h> |
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25 #include <nsssispeechrecognitionutilityobserver.h> |
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26 |
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27 // CLASS DECLARATION |
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28 |
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29 /** |
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30 * MSISpeechRecognitionUtilityBase |
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31 * Interface class for CSISpeechRecognitionUtility |
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32 * @since 3.1 |
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33 */ |
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34 class MSISpeechRecognitionUtilityBase |
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35 { |
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36 public: |
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37 |
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38 /** |
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39 * Second phase construction. |
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40 * Needed when dynamically loading nsssispeechrecognitionutility.dll |
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41 * Direct users of CSISpeechRecognitionUtility should not use this. |
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42 * |
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43 * @since 3.1 |
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44 * @param aClientUid Client UID for data ownership, other clients won't |
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45 * be able to modify the data registered to certain client |
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46 * @param aPluginUid UID of the plugin which will be used, KNullUid to |
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47 * search for suitable plugin |
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48 * @param aObserver Callback observer reference |
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49 */ |
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50 virtual void CreateInstanceSecondPhaseL( TUid aClientUid, |
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51 TUid aPluginUid, |
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52 MSISpeechRecognitionUtilityObserver& aObserver ) = 0; |
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53 |
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54 /** |
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55 * Destructor. Defined here so that client can use M-class pointer to destroy |
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56 * the concrete C-object |
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57 */ |
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58 virtual ~MSISpeechRecognitionUtilityBase() {}; |
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59 |
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60 /** |
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61 * Returns the engine properties specified by the engine property |
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62 * ID array. On return aPropertyValue contains an array of engine |
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63 * properties. |
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64 * |
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65 * @since 3.1 |
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66 * @param aPropertyId constant reference to array of engine property Ids |
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67 * @param aPropertyValue reference to array of engine property values |
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68 * @return system wide error code |
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69 */ |
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70 virtual TInt GetEngineProperties( const RArray<TInt>& aPropertyId, |
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71 RArray<TInt>& aPropertyValue ) = 0; |
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72 |
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73 /** |
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74 * Adapts the speaker independent models to a specific speaker's voice. |
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75 * |
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76 * @since 3.1 |
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77 * @param aResultSet Recognition result N-Best |
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78 * @param aCorrect Index to N-Best pointing the correct result. |
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79 * @return system wide error code |
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80 */ |
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81 virtual TInt Adapt( const CSIClientResultSet& aResultSet, |
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82 TInt aCorrect ) = 0; |
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83 |
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84 /** |
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85 * Adds a new pronunciation for the given text phrase into the |
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86 * specified lexicon. |
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87 * |
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88 * @since 3.1 |
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89 * @param aLexiconID lexicon Id, where the new pronunciation is added to |
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90 * @param aTextForTraining Text to be trained |
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91 * @param aLanguage Pronunciation language |
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92 * @param aPronunciationID reference where a new pronunciation Id is assigned to |
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93 * @return system wide error code |
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94 */ |
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95 virtual TInt AddPronunciation( TSILexiconID aLexiconID, |
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96 const TDesC& aTextForTraining, |
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97 TLanguage aLanguage, |
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98 TSIPronunciationID& aPronunciationID ) = 0; |
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99 |
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100 /** |
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101 * Adds a new rule for the given pronunciation into the |
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102 * specified grammar. |
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103 * |
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104 * @since 3.1 |
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105 * @param aGrammarID grammar Id, where the new rule is added to |
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106 * @param aLexiconID lexicon Id |
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107 * @param aPronunciationID pronunciation Id |
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108 * @param aRuleID reference where a new rule Id is assigned to |
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109 * @return system wide error code |
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110 */ |
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111 virtual TInt AddRule( TSIGrammarID aGrammarID, |
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112 TSILexiconID aLexiconID, |
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113 TSIPronunciationID aPronunciationID, |
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114 TSIRuleID& aRuleID ) = 0; |
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115 |
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116 /** |
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117 * Adds a new rule variant for the given pronunciation into the |
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118 * specified grammar. |
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119 * |
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120 * @since 3.1 |
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121 * @param aGrammarID grammar Id, where the new rule is added to |
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122 * @param aRuleID the rule Id, which will contain this variant |
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123 * @param aPronunciationIDs the phrase is the concatenation of these pronunciation IDs |
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124 * @param aRuleVariantID reference where a new rule variant Id is assigned to |
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125 * @return system wide error code |
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126 */ |
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127 virtual TInt AddRuleVariant( TSIGrammarID aGrammarID, |
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128 TSILexiconID aLexiconID, |
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129 RArray<TSIPronunciationID>& aPronunciationIDs, |
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130 TSIRuleID aRuleID, |
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131 TSIRuleVariantID& aRuleVariantID ) = 0; |
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132 |
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133 /** |
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134 * Adds a new rule for the given phrase into the |
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135 * specified grammar. |
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136 * |
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137 * @since 3.1 |
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138 * @param aTextArray the text to be trained, divided in to words. |
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139 * The phrase is the concatenation of these words. |
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140 * @param aLanguageArray pronunciations will be generated for these languages |
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141 * @param aLexiconID lexicon, where to add pronunciations |
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142 * @param aGrammarID grammar, where to add rules |
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143 * @param aRuleID the ID of the rule will be placed on this variable. |
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144 * @return system wide error code |
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145 */ |
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146 virtual TInt AddVoiceTag( MDesCArray& aTextArray, |
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147 const RArray<TLanguage>& aLanguageArray, |
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148 TSILexiconID aLexiconID, |
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149 TSIGrammarID aGrammarID, |
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150 TSIRuleID& aRuleID ) = 0; |
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151 |
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152 /** |
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153 * Adds a new rules for the given phrases into the |
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154 * specified grammar. |
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155 * |
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156 * @since 3.1 |
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157 * @param aTextArrayArray Array of text arrays. The phrase k is the concatenation |
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158 * of texts in array k. |
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159 * @param aLanguageArray pronunciations will be generated for these languages |
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160 * @param aLexiconID lexicon, where to add pronunciations |
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161 * @param aGrammarID grammar, where to add rules |
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162 * @param aRuleID the ID of the rule will be placed on this variable. |
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163 * If some of the names fail while others succeed, |
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164 * KInvalidRuleID will be placed to the array. |
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165 * @return system wide error code |
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166 */ |
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167 virtual TInt AddVoiceTags( const RPointerArray<MDesCArray> &aTextArrayArray, |
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168 const RArray<TLanguage> &aLanguageArray, |
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169 TSILexiconID aLexiconID, |
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170 TSIGrammarID aGrammarID, |
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171 RArray<TSIRuleID>& aRuleIDArray ) = 0; |
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172 |
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173 /** |
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174 * Adds a new rule for the given phrase into the |
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175 * specified grammar. |
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176 * |
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177 * @since 3.1 |
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178 * @param aTextArray The text to be trained, divided in to words. |
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179 * The phrase is the concatenation of these words. |
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180 * @param aLanguageArray Pronunciations will be generated for these languages |
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181 * @param aLexiconID Lexicon, where to add pronunciations |
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182 * @param aGrammarID Grammar, where to add rules |
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183 * @param aRuleID The ID of the rule will be placed on this variable. |
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184 * @return System wide error code |
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185 */ |
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186 virtual TInt AddVoiceTag( MDesCArray& aTextArray, |
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187 const RArray<RLanguageArray>& aLanguageArray, |
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188 TSILexiconID aLexiconID, |
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189 TSIGrammarID aGrammarID, |
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190 TSIRuleID& aRuleID ) = 0; |
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191 |
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192 /** |
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193 * Adds a new rules for the given phrases into the |
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194 * specified grammar. |
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195 * |
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196 * @since 3.1 |
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197 * @param aTextArrayArray Array of text arrays. The phrase k is the concatenation |
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198 * of texts in array k. |
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199 * @param aLanguageArray pronunciations will be generated for these languages |
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200 * @param aLexiconID lexicon, where to add pronunciations |
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201 * @param aGrammarID grammar, where to add rules |
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202 * @param aRuleID the ID of the rule will be placed on this variable. |
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203 * If some of the names fail while others succeed, |
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204 * KInvalidRuleID will be placed to the array. |
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205 * @return System wide error code |
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206 */ |
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207 virtual TInt AddVoiceTags( const RPointerArray<MDesCArray>& aTextArrayArray, |
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208 const RArray<RLanguageArray>& aLanguageArray, |
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209 TSILexiconID aLexiconID, |
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210 TSIGrammarID aGrammarID, |
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211 RArray<TSIRuleID>& aRuleIDArray ) = 0; |
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212 |
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213 /** |
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214 * Cancels the current operation |
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215 * |
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216 * @since 3.1 |
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217 */ |
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218 virtual void Cancel() = 0; |
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219 |
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220 /** |
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221 * Saves the changes into a permanent storage. |
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222 * |
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223 * @since 3.1 |
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224 * @return System-wide errors |
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225 */ |
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226 virtual TInt CommitChanges() = 0; |
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227 |
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228 /** |
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229 * Creates a new grammar. |
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230 * |
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231 * @since 3.1 |
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232 * @param aGrammarID reference where grammar ID is stored |
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233 * @return system wide error codes |
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234 */ |
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235 virtual TInt CreateGrammar( TSIGrammarID& aGrammarID ) = 0; |
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236 |
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237 /** |
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238 * Creates a new lexicon. |
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239 * |
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240 * @since 3.1 |
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241 * @param aLexiconID reference where lexicon ID is stored |
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242 * @return system wide error codes |
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243 */ |
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244 virtual TInt CreateLexicon( TSILexiconID& aLexiconID ) = 0; |
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245 |
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246 /** |
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247 * Creates a new rule. |
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248 * |
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249 * @since 3.1 |
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250 * @param aGrammarID grammar, where the new rule is to be added |
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251 * @param aRuleID reference where rule ID is stored |
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252 * @return system wide error codes |
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253 */ |
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254 virtual TInt CreateRule( TSIGrammarID aGrammarID, TSIRuleID& aRuleID ) = 0; |
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255 |
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256 /** |
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257 * Loads the specified model bank into the recognizer. |
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258 * done prior to recognition. |
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259 * |
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260 * @since 3.1 |
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261 * @param ModelBankID model bank Id |
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262 * @return system wide error codes |
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263 */ |
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264 virtual TInt LoadModels( TSIModelBankID aModelBankID ) = 0; |
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265 |
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266 /** |
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267 * Loads the specified grammar into the recognizer. |
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268 * done prior to recognition. |
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269 * |
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270 * @since 3.1 |
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271 * @param aGrammarID grammar ID |
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272 * @return system wide error codes |
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273 */ |
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274 virtual TInt LoadGrammar( TSIGrammarID aGrammarID ) = 0; |
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275 |
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276 /** |
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277 * Reactivates a previously deactivated grammar. |
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278 * |
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279 * @since 3.1 |
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280 * @param aGrammarID grammar ID |
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281 * @return system wide error codes |
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282 */ |
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283 virtual TInt ActivateGrammar( TSIGrammarID aGrammarID ) = 0; |
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284 |
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285 /** |
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286 * Deactivates a loaded grammar, so that it is not recognized. |
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287 * |
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288 * @since 3.1 |
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289 * @param aGrammarID grammar ID |
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290 * @return system wide error codes |
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291 */ |
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292 virtual TInt DeactivateGrammar( TSIGrammarID aGrammarID ) = 0; |
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293 |
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294 /** |
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295 * Loads the specified lexicon into the recognizer; |
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296 * done prior to recognition. |
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297 * |
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298 * @since 3.1 |
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299 * @param aLexiconID lexicon ID |
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300 * @return system wide error codes |
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301 */ |
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302 virtual TInt LoadLexicon( TSILexiconID aLexiconID ) = 0; |
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303 |
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304 /** |
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305 * Returns the number of models in the specified model bank. |
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306 * |
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307 * @since 3.1 |
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308 * @param aModelBankID model bank Id |
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309 * @param aCount reference where the number of |
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310 * models is set |
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311 * @return system wide error codes |
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312 */ |
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313 virtual TInt GetModelCount( TSIModelBankID aModelBankID, |
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314 TInt& aModelCount ) = 0; |
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315 |
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316 /** |
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317 * Ends the current recognition session. Resources allocated |
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318 * for recognition are freed. |
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319 * |
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320 * @since 3.1 |
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321 * @param aModelBankID reference where a new model bank Id is assigned to |
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322 * @return system wide error codes |
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323 */ |
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324 virtual TInt EndRecSession() = 0; |
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325 |
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326 /** |
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327 * Starts a new recognition session. |
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328 * |
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329 * @since 3.1 |
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330 * @param aMode recognition mode |
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331 * @return system wide error codes |
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332 */ |
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333 virtual TInt StartRecSession( TNSSRecognitionMode aMode ) = 0; |
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334 |
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335 /** |
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336 * Initiates speaker independent recognition; performed |
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337 * following loading of model bank, lexicon, and grammar. |
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338 * |
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339 * @since 3.1 |
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340 * @param aResultSet reference where the recognition result is set |
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341 * @return system wide error codes |
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342 */ |
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343 virtual TInt Recognize( CSIClientResultSet& aResultSet ) = 0; |
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344 |
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345 /** |
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346 * Records utterance for recognition. |
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347 * |
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348 * @since 3.1 |
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349 * @param aRecordTime recording time in microseconds |
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350 * @return system wide error codes |
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351 */ |
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352 virtual TInt Record( TTimeIntervalMicroSeconds32 aRecordTime ) = 0; |
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353 |
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354 /** |
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355 * Stops the recording. The difference with Cancel is that if |
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356 * enough samples were recorded, a recognition result will be produced. |
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357 * |
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358 * @since 3.1 |
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359 * @param aRecordTime recording time in microseconds |
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360 * @return system wide error codes |
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361 */ |
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362 virtual TInt EndRecord() = 0; |
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363 |
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364 /** |
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365 * Pre-starts samping before Record call. |
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366 * |
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367 * @since 3.2 |
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368 * @return System wide error code |
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369 */ |
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370 virtual TInt PreStartSampling() = 0; |
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371 |
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372 /** |
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373 * Removes the specified grammar from the permanent storage. |
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374 * Removing a grammar will remove all rules within the grammar. |
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375 * |
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376 * @since 3.1 |
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377 * @param aGrammarID grammar Id |
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378 * @return system wide error codes |
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379 */ |
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380 virtual TInt RemoveGrammar( TSIGrammarID aGrammarID ) = 0; |
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381 |
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382 /** |
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383 * Removes the specified pronunciation from the |
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384 * specified lexicon permanently. |
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385 * |
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386 * @since 3.1 |
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387 * @param aLexiconID lexicon Id |
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388 * @param aPronunciationID pronunciation Id |
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389 * @return system wide error codes |
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390 */ |
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391 virtual TInt RemovePronunciation( TSILexiconID aLexiconID, |
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392 TSIPronunciationID aPronunciationID ) = 0; |
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393 |
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394 /** |
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395 * Removes the specified lexicon from the permanent storage. |
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396 * Removing a lexicon will remove all pronunciations within the |
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397 * lexicon. |
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398 * |
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399 * @since 3.1 |
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400 * @param aLexiconID lexicon Id |
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401 * @return system wide error codes |
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402 */ |
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403 virtual TInt RemoveLexicon( TSILexiconID aLexiconID ) = 0; |
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404 |
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405 /** |
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406 * Removes the specified model from the specified model bank |
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407 * permanently. |
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408 * |
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409 * @since 3.1 |
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410 * @param aModelBankID model bank Id |
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411 * @param aModelID model Id |
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412 * @return system wide error codes |
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413 */ |
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414 virtual TInt RemoveModel( TSIModelBankID aModelBankID, |
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415 TSIModelID aModelID ) = 0; |
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416 |
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417 /** |
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418 * Removes the specified rule from the specified grammar permanently. |
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419 * |
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420 * @since 3.1 |
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421 * @param aGrammarID grammar Id |
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422 * @param aRuleID rule Id |
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423 * @return system wide error codes |
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424 */ |
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425 virtual TInt RemoveRule( TSIGrammarID aGrammarID, TSIRuleID aRuleID ) = 0; |
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426 |
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427 /** |
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428 * Removes multiple rules from the specified grammar permanently. |
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429 * |
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430 * @since 3.1 |
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431 * @param aGrammarID grammar Id |
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432 * @param aRuleID rule Id |
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433 * @return system wide error codes |
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434 */ |
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435 virtual TInt RemoveRules( TSIGrammarID aGrammarID, RArray<TSIRuleID>& aRuleIDs ) = 0; |
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436 |
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437 /** |
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438 * Unloads the specified rule from the specified grammar |
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439 * in temporary memory, previously loaded with LoadGrammarL. |
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440 * The rule in the permanent storage remains intact. |
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441 * |
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442 * @since 3.1 |
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443 * @param aGrammarID grammar Id |
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444 * @param aRuleID rule Id |
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445 * @return system wide error codes |
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446 */ |
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447 virtual TInt UnloadRule( TSIGrammarID aGrammarID, TSIRuleID aRuleID ) = 0; |
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448 |
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449 /** |
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450 * Unloads the specified grammar from the list of grammars |
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451 * in temporary memory, previously loaded with LoadGrammarL. |
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452 * The grammar in the permanent storage remains intact. |
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453 * |
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454 * @since 3.1 |
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455 * @param aGrammarID grammar Id |
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456 * @return system wide error codes |
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457 */ |
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458 virtual TInt UnloadGrammar( TSIGrammarID aGrammarID ) = 0; |
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459 |
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460 /** |
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461 * Set the event handler for asynchronous events |
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462 * |
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463 * @since 3.1 |
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464 * @param aSpeechRecognitionUtilityObserver pointer to observer |
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465 */ |
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466 virtual void SetEventHandler( MSISpeechRecognitionUtilityObserver* |
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467 aSpeechRecognitionUtilityObserver ) = 0; |
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468 |
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469 /** |
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470 * Returns all pronunciation Ids that exist in the specified lexicon. |
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471 * |
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472 * @since 3.1 |
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473 * @param aLexiconID lexicon Id |
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474 * @param aPronunciationIDs reference where pronunciation Ids are stored |
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475 * @return system wide error codes |
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476 */ |
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477 virtual TInt GetAllPronunciationIDs( TSILexiconID aLexiconID, |
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478 RArray <TSIPronunciationID>& aPronunciationIDs ) = 0; |
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479 |
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480 /** |
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481 * Returns all grammar Ids that belong to the current client. |
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482 * |
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483 * @since 3.1 |
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484 * @param aGrammarIDs reference where grammar Ids are stored |
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485 * @return System-wide errors |
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486 */ |
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487 virtual TInt GetAllClientGrammarIDs( RArray<TSIGrammarID>& aGrammarIDs ) = 0; |
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488 |
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489 /** |
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490 * Returns all lexicon Ids that belong to the current client. |
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491 * |
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492 * @since 3.1 |
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493 * @param aLexiconIDs reference where lexicon Ids are stored |
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494 * @return System-wide errors |
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495 */ |
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496 virtual TInt GetAllClientLexiconIDs( RArray<TSILexiconID>& aLexiconIDs ) = 0; |
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497 |
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498 /** |
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499 * Returns all model bank Ids that belong to the current client. |
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500 * |
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501 * @since 3.1 |
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502 * @param aModelBankIDs reference where model bank Ids are stored |
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503 * @return System-wide errors |
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504 */ |
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505 virtual TInt GetAllClientModelBankIDs( RArray<TSIModelBankID>& aModelBankIDs ) = 0; |
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506 |
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507 /** |
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508 * Returns all grammar Ids that exist (for all clients). |
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509 * |
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510 * @since 3.1 |
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511 * @param aGrammarIDs reference where grammar Ids are stored |
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512 * @return System-wide errors |
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513 */ |
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514 virtual TInt GetAllGrammarIDs( RArray<TSIGrammarID>& aGrammarIDs ) = 0; |
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515 |
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516 /** |
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517 * Returns all lexicon Ids that exist (for all clients). |
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518 * |
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519 * @since 3.1 |
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520 * @param aLexiconIDs reference where lexicon Ids are stored |
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521 * @return System-wide errors |
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522 */ |
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523 virtual TInt GetAllLexiconIDs( RArray<TSILexiconID>& aLexiconIDs ) = 0; |
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524 |
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525 /** |
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526 * Returns all model bank Ids that exist (for all clients). |
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527 * |
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528 * @since 3.1 |
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529 * @param aModelBankIDs reference where model bank Ids are stored |
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530 * @return System-wide errors |
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531 */ |
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532 virtual TInt GetAllModelBankIDs( RArray<TSIModelBankID>& aModelBankIDs ) = 0; |
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533 |
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534 /** |
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535 * Returns all model Ids that exist in the specified model bank. |
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536 * |
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537 * @since 3.1 |
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538 * @param aModelBankID model bank Id |
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539 * @param aModelIDs reference where model Ids are stored |
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540 * @return system wide error codes |
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541 */ |
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542 virtual TInt GetAllModelIDs( TSIModelBankID aModelBankID, |
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543 RArray <TSIModelID>& aModelIDs ) = 0; |
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544 |
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545 /** |
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546 * Checks if the rule is valid or not. |
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547 * |
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548 * @since 3.1 |
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549 * @param aGrammarID grammar Id |
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550 * @param aRuleID rule Id |
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551 * @param aValid reference where the validity of the rule is set |
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552 * @return system wide error codes |
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553 */ |
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554 virtual TInt GetRuleValidity( TSIGrammarID aGrammarID, TSIRuleID aRuleID, |
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555 TBool& aValid ) = 0; |
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556 |
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557 /** |
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558 * Returns all rule Ids that exist in the specified grammar. |
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559 * |
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560 * @since 3.1 |
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561 * @param aGrammarID grammar Id |
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562 * @param aRuleIDs reference where rule Ids are stored |
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563 * @return system wide error codes |
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564 */ |
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565 virtual TInt GetAllRuleIDs( TSIGrammarID aGrammarID, |
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566 RArray <TSIRuleID>& aRuleIDs ) = 0; |
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567 |
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568 /** |
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569 * Creates a new model bank. |
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570 * |
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571 * @since 3.1 |
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572 * @param aModelBankID reference where a new model bank Id is assigned to |
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573 * @return system wide error codes |
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574 */ |
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575 virtual TInt CreateModelBank( TSIModelBankID& aModelBankID ) = 0; |
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576 |
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577 /** |
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578 * Removes the specified model bank from the permanent storage. |
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579 * Removing a model bank will remove all models within the model bank. |
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580 * |
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581 * @since 3.1 |
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582 * @param aModelBankID model bank Id |
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583 * @return system wide error codes |
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584 */ |
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585 virtual TInt RemoveModelBank( TSIModelBankID aModelBankID ) = 0; |
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586 |
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587 /** |
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588 * Uploads the specified parameters into the engine. |
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589 * |
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590 * @since 3.1 |
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591 * @param aParameterId array of parameter IDs |
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592 * @param aParameterValue array of parameter values |
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593 * @return system wide error codes |
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594 */ |
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595 virtual TInt LoadEngineParameters( const RArray<TInt>& aParameterId, |
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596 const RArray<TInt>& aParameterValue ) = 0; |
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597 |
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598 /** |
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599 * Set the audio priority and preference recognition |
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600 * |
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601 * @since 3.1 |
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602 * @param aPriority priority for voice recognition |
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603 * @param aTrainPreference preference for training |
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604 * @param aPlaybackPreference preference for playback |
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605 * @param aRecognitionPreference preference for recognition |
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606 * @return system wide error codes |
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607 */ |
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608 virtual TInt SetAudioPriority( TInt aPriority, TInt aTrainPreference, |
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609 TInt aPlaybackPreference, TInt aRecognitionPreference ) = 0; |
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610 |
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611 }; |
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612 |
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613 #endif // NSSSIUTILITYBASE_H |
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614 |
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615 // End of file |
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