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1 /* |
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2 * Copyright (c) 2004 Nokia Corporation and/or its subsidiary(-ies). |
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3 * All rights reserved. |
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4 * This component and the accompanying materials are made available |
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5 * under the terms of "Eclipse Public License v1.0" |
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6 * which accompanies this distribution, and is available |
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7 * at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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8 * |
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9 * Initial Contributors: |
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10 * Nokia Corporation - initial contribution. |
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11 * |
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12 * Contributors: |
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13 * |
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14 * Description: This is the definition of the client interface for the |
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15 * speaker independent extensions to speech recognition custom commands. |
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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 #ifndef NSS_SI_SPEECH_RECOGNITION_CUSTOM_COMMANDS_H |
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21 #define NSS_SI_SPEECH_RECOGNITION_CUSTOM_COMMANDS_H |
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22 |
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23 // INCLUDES |
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24 #include <mmfcontroller.h> |
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25 #include <nsssispeechrecognitiondataclient.h> |
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26 |
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27 // FORWARD DECLARATIONS |
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28 class CSDClientResultSet; |
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29 |
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30 /** |
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31 * This is the main class of NSS Speaker Independent Speech Recognition Custom Commands |
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32 * |
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33 * @lib nsssispeechrecognitioncustomcommands.lib |
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34 * @since 2.8 |
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35 */ |
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36 |
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37 // CLASS DECLARATION |
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38 class RSISpeechRecognitionCustomCommands : public RMMFCustomCommandsBase |
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39 { |
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40 |
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41 public: |
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42 /** |
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43 * Public C++ constructor for RSpeechRecognitionCustomCommands class. |
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44 * |
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45 * @since 2.8 |
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46 * @param aController reference to RMMFController object |
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47 * @return - |
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48 */ |
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49 IMPORT_C RSISpeechRecognitionCustomCommands(RMMFController& aController); |
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50 |
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51 /** |
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52 * Adapts speaker independent models according using a correct recognition result. |
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53 * |
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54 * @since 2.8 |
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55 * @param aResultSet The result N-Best containing feature vectors |
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56 * aCorrect The correct index |
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57 * @return - |
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58 */ |
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59 IMPORT_C TInt Adapt(const CSIClientResultSet& aResultSet, TInt aCorrect); |
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60 |
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61 /** |
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62 * Adds a pronunciation to the given lexicon. |
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63 * |
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64 * @since 2.8 |
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65 * @param aLexiconID The lexicon Id |
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66 * @param aTrainText Text to be pronounced |
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67 * @param aLanguage Pronunciation language |
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68 * @param aPronunciationID Reference where a new pronunciation Id is assigned to. |
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69 * |
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70 * @return - |
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71 */ |
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72 IMPORT_C TInt AddPronunciation(TSILexiconID aLexiconID, |
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73 const TDesC& aTrainText, |
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74 TLanguage aLanguage, |
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75 TSIPronunciationID& aPronunciationID); |
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76 |
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77 /** |
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78 * Adds a rule variant to a grammar. |
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79 * |
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80 * @since 2.8 |
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81 * @param aGrammarID Grammar identifier |
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82 * @param aRuleID Rule identifier; variant is added here. |
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83 * @param aPronunciations Sequence of pronunciations; these get concatenated. |
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84 * in the rule variant. |
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85 * @param aRuleVariantID Reference where the new variant |
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86 * identifier is assigned to. |
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87 * @return - |
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88 */ |
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89 IMPORT_C TInt AddRuleVariant( |
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90 TSIGrammarID aGrammarID, |
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91 TSILexiconID aLexiconID, |
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92 const RArray<TSIPronunciationID>& aPronunciationIDs, |
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93 TSIRuleID aRuleID, |
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94 TSIRuleVariantID& aRuleVariantID ); |
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95 |
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96 /** |
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97 * Trains a voice tag. Adds the text to the lexicon, and creates the required |
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98 * rules and rule variants. |
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99 * |
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100 * @since 2.8 |
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101 * @param aTrainArray The phrase to be trained, split into subwords |
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102 * @param aLanguageArray The pronunciaiton languages |
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103 * @param aLexiconID Lexicon identifier |
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104 * @param aGrammarID Grammar identifier |
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105 * @param aRuleID Reference, where the new rule identifier is assigned to. |
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106 * @return - |
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107 */ |
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108 IMPORT_C TInt AddVoiceTag( |
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109 const MDesCArray& aTrainArray, |
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110 const RArray<TLanguage>& aLanguageArray, |
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111 TSILexiconID aLexiconID, |
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112 TSIGrammarID aGrammarID, |
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113 TSIRuleID& aRuleID); |
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114 |
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115 /** |
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116 * Trains voice tags. If the training fails for some of the names (but not all), |
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117 * it is signaled by setting the Rule ID to KInvalidRuleID. |
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118 * |
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119 * @since 2.8 |
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120 * @param aTrainArray The phrase to be trained, split into subwords |
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121 * @param aLanguageArray The pronunciation languages |
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122 * @param aLexiconID Lexicon identifier |
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123 * @param aGrammarID Grammar identifier |
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124 * @param aRuleID Referenceto an array, where the new |
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125 * Rule identifiers are assigned to. |
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126 * @return - |
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127 */ |
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128 IMPORT_C TInt AddVoiceTags( |
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129 const RPointerArray<MDesCArray>& aTrainArray, |
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130 const RArray<TLanguage>& aLanguageArray, |
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131 TSILexiconID aLexiconID, |
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132 TSIGrammarID aGrammarID, |
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133 RArray<TSIRuleID>& aRuleID); |
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134 |
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135 /** |
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136 * Creates a new rule. |
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137 * |
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138 * @since 2.8 |
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139 * @param aGrammarID Grammar identifier |
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140 * @param aRuleID Reference where rule ID is stored |
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141 * @return - |
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142 */ |
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143 IMPORT_C TInt CreateRule(TSIGrammarID aGrammarID, TSIRuleID& aRuleID); |
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144 |
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145 /** |
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146 * Starts recognition |
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147 * |
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148 * @since 2.8 |
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149 * @param aResultSet Recognition result is placed here, when ready. |
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150 * @return - |
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151 */ |
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152 IMPORT_C TInt Recognize( CSIClientResultSet& aResultSet ); |
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153 |
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154 /** |
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155 * Stops recognition. Unlike Cancel(), this function gives |
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156 * the recognition result, if it can be guessed. |
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157 * |
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158 * @since 2.8 |
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159 * @param - |
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160 * @return - |
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161 */ |
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162 IMPORT_C TInt EndRecord(); |
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163 |
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164 /** |
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165 * Deactivates a grammar. |
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166 * |
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167 * @since 2.8 |
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168 * @param aGrammarID Grammar identifier |
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169 * @return - |
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170 */ |
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171 IMPORT_C TInt UnloadGrammar( TSIGrammarID aGrammarID ); |
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172 |
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173 /************************ SD Legacy functions *******************************/ |
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174 |
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175 /** |
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176 * Adds a new rule for the given pronunciation into |
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177 * the specified grammar. |
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178 * @since 2.0 |
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179 * @param aGrammarID grammar Id, where the new rule is |
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180 * added to |
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181 * @param aLexiconID lexicon Id |
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182 * @param aPronunciationID pronunciation Id |
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183 * @param aRuleID reference where a new rule Id is |
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184 * assigned to |
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185 * @return System-wide errors |
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186 */ |
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187 IMPORT_C TInt AddRule(TSIGrammarID aGrammarID, TSILexiconID aLexiconID, |
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188 TSIPronunciationID aPronunciationID, TSIRuleID& aRuleID); |
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189 |
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190 /** |
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191 * |
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192 * Cancels the current operation |
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193 * @since 2.0 |
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194 * @param - |
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195 * @return - |
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196 */ |
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197 IMPORT_C void Cancel(); |
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198 |
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199 /** |
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200 * Saves the current changes into permanent storage. |
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201 * @since 2.0 |
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202 * @param - |
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203 * @return System-wide errors |
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204 */ |
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205 IMPORT_C TInt CommitChanges(); |
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206 |
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207 /** |
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208 * |
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209 * Creates a new grammar. |
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210 * @since 2.0 |
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211 * @param aGrammarID reference where grammar ID is stored |
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212 * @return System-wide errors |
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213 */ |
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214 IMPORT_C TInt CreateGrammar(TSIGrammarID& aGrammarID); |
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215 |
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216 /** |
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217 * |
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218 * Creates a new lexicon. |
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219 * @since 2.0 |
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220 * @param aLexiconID reference where lexicon ID is stored |
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221 * @return System-wide errors |
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222 */ |
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223 IMPORT_C TInt CreateLexicon(TSILexiconID& aLexiconID); |
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224 |
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225 /** |
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226 * Creates a new model bank. |
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227 * @since 2.0 |
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228 * @param aModelBankID reference where a new model |
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229 * bank Id is assigned to |
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230 * @return System-wide errors |
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231 */ |
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232 IMPORT_C TInt CreateModelBank(TSIModelBankID& aModelBankID); |
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233 |
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234 /** |
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235 * Ends the current recognition session. Resources allocated for |
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236 * recognition are freed. |
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237 * @since 2.0 |
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238 * @param aModelBankID reference where a new model bank Id |
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239 * is assigned to |
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240 * @return System-wide errors |
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241 */ |
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242 IMPORT_C TInt EndRecSession(); |
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243 |
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244 /** |
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245 * Returns all grammar Ids that belong to the current client. |
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246 * @since 2.0 |
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247 * @param - |
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248 * @return System-wide errors |
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249 */ |
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250 IMPORT_C TInt GetAllClientGrammarIDs(); |
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251 |
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252 /** |
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253 * Returns all lexicon Ids that belong to the current client. |
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254 * @since 2.0 |
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255 * @param - |
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256 * @return System-wide errors |
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257 */ |
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258 IMPORT_C TInt GetAllClientLexiconIDs(); |
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259 |
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260 /** |
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261 * Returns all model bank Ids that belong to the current client. |
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262 * @since 2.0 |
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263 * @param - |
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264 * @return System-wide errors |
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265 */ |
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266 IMPORT_C TInt GetAllClientModelBankIDs(); |
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267 |
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268 /** |
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269 * Returns all grammar Ids that exist (for all clients). |
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270 * @since 2.0 |
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271 * @param - |
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272 * @return System-wide errors |
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273 */ |
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274 IMPORT_C TInt GetAllGrammarIDs(); |
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275 |
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276 /** |
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277 * Returns all lexicon Ids that exist (for all clients). |
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278 * @since 2.0 |
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279 * @param - |
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280 * @return System-wide errors |
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281 */ |
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282 IMPORT_C TInt GetAllLexiconIDs(); |
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283 |
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284 /** |
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285 * Returns all model bank Ids that exist (for all clients). |
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286 * @since 2.0 |
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287 * @param - |
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288 * @return System-wide errors |
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289 */ |
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290 IMPORT_C TInt GetAllModelBankIDs(); |
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291 |
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292 /** |
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293 * Returns all model Ids that exist in the specified model bank. |
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294 * @since 2.0 |
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295 * @param aModelBankID model bank Id |
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296 * @return System-wide errors |
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297 */ |
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298 IMPORT_C TInt GetAllModelIDs(TSIModelBankID aModelBankID); |
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299 |
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300 /** |
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301 * Returns all pronunciation Ids that exist in the specified lexicon. |
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302 * @since 2.0 |
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303 * @param aLexiconID lexicon Id |
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304 * @param aPronunciationIDs reference where pronunciation Ids |
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305 * are stored |
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306 * @return System-wide errors |
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307 */ |
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308 IMPORT_C TInt GetAllPronunciationIDs(TSILexiconID aLexiconID); |
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309 |
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310 /** |
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311 * Returns all rule Ids that exist in the specified grammar. |
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312 * @since 2.0 |
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313 * @param aGrammarID grammar Id |
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314 * @param aRuleIDs reference where rule Ids are stored |
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315 * @return System-wide errors |
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316 */ |
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317 IMPORT_C TInt GetAllRuleIDs(TSIGrammarID aGrammarID); |
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318 |
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319 /** |
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320 * |
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321 * Returns the engine properties specified by the engine property |
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322 * ID array. On return aPropertyValue contains an array of engine |
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323 * properties. |
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324 * @since 2.0 |
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325 * @param aPropertyId constant reference to array of engine |
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326 * property Ids |
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327 * @param aPropertyValue reference to array of engine property |
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328 * values |
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329 * @return system wide error code |
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330 */ |
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331 IMPORT_C TInt GetEngineProperties(const RArray<TInt>& aPropertyId, |
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332 RArray<TInt>& aPropertyValue); |
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333 |
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334 /** |
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335 * Returns the number of models in the specified model bank. |
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336 * @since 2.0 |
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337 * @param aModelBankID model bank Id |
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338 * @param aCount reference where the number of models |
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339 * is set |
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340 * @return System-wide errors |
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341 */ |
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342 IMPORT_C TInt GetModelCount(TSIModelBankID aModelBankID, |
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343 TInt& aModelCount); |
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344 |
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345 /** |
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346 * Checks if the rule is valid or not. |
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347 * @since 2.0 |
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348 * @param aGrammarID grammar Id |
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349 * @param aRuleID rule Id |
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350 * @param aValid reference where the validity of the |
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351 * rule is set |
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352 * @return System-wide errors |
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353 */ |
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354 IMPORT_C TInt GetRuleValidity(TSIGrammarID aGrammarID, TSIRuleID aRuleID, |
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355 TBool& aValid); |
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356 |
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357 /** |
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358 * Loads a grammar. Grammars are loaded between StartRecSession() |
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359 * and Recognize() |
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360 * |
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361 * @since 2.0 |
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362 * @param aGrammarID grammar Id |
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363 * @return System-wide errors |
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364 */ |
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365 IMPORT_C TInt LoadGrammar( TSIGrammarID aGrammarID ); |
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366 |
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367 /** |
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368 * Activates a loaded and deactivated grammar. |
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369 * |
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370 * @since 2.8 |
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371 * @param aGrammarID grammar Id |
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372 * @return System-wide errors |
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373 */ |
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374 IMPORT_C TInt ActivateGrammar( TSIGrammarID aGrammarID ); |
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375 |
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376 /** |
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377 * Deactivates a loaded grammar so that it is not recognized. |
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378 * |
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379 * @since 2.8 |
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380 * @param aGrammarID grammar Id |
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381 * @return System-wide errors |
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382 */ |
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383 IMPORT_C TInt DeactivateGrammar( TSIGrammarID aGrammarID ); |
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384 |
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385 /** |
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386 * |
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387 * Loads the specified lexicon into the recognizer; |
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388 * done prior to recognition. |
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389 * @since 2.0 |
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390 * @param aLexiconID lexicon ID |
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391 * @return System-wide errors |
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392 */ |
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393 IMPORT_C TInt LoadLexicon(TSILexiconID aLexiconID); |
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394 |
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395 /** |
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396 * |
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397 * Loads the specified model bank into the recognizer; done prior |
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398 * to recognition.. |
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399 * @since 2.0 |
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400 * @param aModelBankID model bank Id |
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401 * @return System-wide errors |
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402 */ |
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403 IMPORT_C TInt LoadModels(TSIModelBankID aModelBankID); |
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404 |
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405 /** |
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406 * Records uder utterance for training and recognition. |
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407 * @since 2.0 |
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408 * @param aRecordTime recording time in microseconds |
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409 * @return System-wide errors |
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410 */ |
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411 IMPORT_C TInt Record(TTimeIntervalMicroSeconds32 aRecordTime); |
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412 |
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413 /** |
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414 * Removes the specified grammar from the permanent storage. |
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415 * Removing a grammar will remove all rules within the grammar. |
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416 * @since 2.0 |
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417 * @param aGrammarID grammar Id |
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418 * @return System-wide errors |
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419 */ |
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420 IMPORT_C TInt RemoveGrammar(TSIGrammarID aGrammarID); |
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421 |
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422 /** |
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423 * Removes the specified lexicon from the permanent storage. |
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424 * Removing a lexicon will remove all pronunciations within the |
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425 * lexicon. |
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426 * @since 2.0 |
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427 * @param aLexiconID lexicon Id |
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428 * @return - |
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429 */ |
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430 IMPORT_C TInt RemoveLexicon(TSILexiconID aLexiconID); |
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431 |
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432 /** |
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433 * Removes the specified model bank from the permanent storage. |
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434 * Removing a model bank will remove all models within the model bank. |
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435 * @since 2.0 |
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436 * @param aModelBankID model bank Id |
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437 * @return - |
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438 */ |
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439 IMPORT_C TInt RemoveModelBank(TSIModelBankID aModelBankID); |
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440 |
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441 /** |
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442 * Removes the specified model from the specified model bank |
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443 * permanently. |
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444 * @since 2.0 |
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445 * @param aModelBankID model bank Id |
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446 * @param aModelID model Id |
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447 * @return System-wide errors |
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448 */ |
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449 IMPORT_C TInt RemoveModel(TSIModelBankID aModelBankID, |
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450 TSIModelID aModelID); |
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451 |
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452 /** |
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453 * Removes the specified pronunciation from the specified lexicon |
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454 * permanently. |
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455 * @since 2.0 |
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456 * @param aLexiconID lexicon Id |
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457 * @param aPronunciationID pronunciation Id |
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458 * @return System-wide errors |
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459 */ |
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460 IMPORT_C TInt RemovePronunciation(TSILexiconID aLexiconID, |
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461 TSIPronunciationID aPronunciationID); |
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462 |
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463 /** |
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464 * Removes the specified rule from the specified grammar permanently. |
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465 * @since 2.0 |
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466 * @param aGrammarID grammar Id |
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467 * @param aRuleID rule Id |
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468 * @return System-wide errors |
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469 */ |
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470 IMPORT_C TInt RemoveRule(TSIGrammarID aGrammarID, TSIRuleID aRuleID); |
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471 |
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472 /** |
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473 * Removes the specified rule from the specified grammar permanently. |
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474 * @since 2.8 |
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475 * @param aGrammarID grammar Id |
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476 * @param aRuleIDs array of rule ids |
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477 * @return System-wide errors |
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478 */ |
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479 IMPORT_C TInt RemoveRules(TSIGrammarID aGrammarID, RArray<TSIRuleID>& aRuleIDs); |
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480 |
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481 /** |
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482 * Sets the client's UID for data ownership identification. |
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483 * @since 2.0 |
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484 * @param aClientUid client's UID |
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485 * @return - |
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486 */ |
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487 IMPORT_C TInt SetClientUid( TUid aClientUid ); |
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488 |
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489 /** |
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490 * Starts a new recognition session. |
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491 * @since 2.0 |
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492 * @param aMode recognition mode |
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493 * @return System-wide errors |
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494 */ |
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495 IMPORT_C TInt StartRecSession(TNSSRecognitionMode aMode); |
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496 |
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497 /** |
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498 * Unloads the specified rule from the specified grammar in temporary |
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499 * memory, previously loaded with LoadGrammarL. The rule in the |
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500 * permanent storage remains intact. |
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501 * @since 2.0 |
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502 * @param aGrammarID grammar Id |
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503 * @param aRuleID rule Id |
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504 * @return System-wide errors |
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505 */ |
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506 IMPORT_C TInt UnloadRule(TSIGrammarID aGrammarID, TSIRuleID aRuleID); |
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507 |
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508 /** |
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509 * Uploads the specified parameters into the engine. |
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510 * @since 2.0 |
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511 * @param aParameterId array of parameter IDs |
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512 * @param aParameterValue array of parameter values |
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513 * @return System-wide errors |
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514 */ |
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515 IMPORT_C TInt LoadEngineParameters(const RArray<TInt>& aParameterId, |
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516 const RArray<TInt>& aParameterValue); |
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517 |
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518 /** |
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519 * Get the pronunciation ID array. On return aPronunciationIDs contains |
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520 * an array of pronunciation IDs. |
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521 * @since 2.0 |
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522 * @param aPronunciationIDs array of pronunciation IDs |
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523 * @return - |
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524 */ |
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525 IMPORT_C void GetPronunciationIDArrayL(RArray<TSIPronunciationID>& aPronunciationIDs); |
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526 |
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527 /** |
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528 * Get the rule ID array. On return aRuleIDs contains |
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529 * an array of rule IDs. |
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530 * @since 2.0 |
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531 * @param aRuleIDs array of rule IDs |
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532 * @return - |
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533 */ |
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534 IMPORT_C void GetRuleIDArrayL(RArray<TSIRuleID>& aRuleIDs); |
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535 |
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536 /** |
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537 * Get the model ID array. On return aModelIDs contains |
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538 * an array of model IDs. |
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539 * @since 2.0 |
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540 * @param aModelIDs array of model IDs |
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541 * @return - |
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542 */ |
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543 IMPORT_C void GetModelIDArrayL(RArray<TSIModelID>& aModelIDs); |
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544 |
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545 /** |
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546 * Get the grammar ID array. On return aGrammarIDs contains |
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547 * an array of rule IDs. |
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548 * @since 2.0 |
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549 * @param aGrammar array of grammar IDs |
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550 * @return - |
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551 */ |
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552 IMPORT_C void GetGrammarIDArrayL(RArray<TSIGrammarID>& aGrammarIDs); |
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553 |
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554 /** |
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555 * Get the lexicon ID array. On return aLexiconIDs contains |
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556 * an array of lexicon IDs. |
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557 * @since 2.0 |
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558 * @param aLexicon array of lexicon IDs |
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559 * @return - |
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560 */ |
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561 IMPORT_C void GetLexiconIDArrayL(RArray<TSILexiconID>& aLexiconIDs); |
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562 |
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563 /** |
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564 * Get the model bank ID array. On return aModelBankIDs contains |
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565 * an array of model bank IDs. |
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566 * @since 2.0 |
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567 * @param aModelBank array of model bank IDs |
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568 * @return - |
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569 */ |
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570 IMPORT_C void GetModelBankIDArrayL(RArray<TSIModelBankID>& aModelBankIDs); |
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571 |
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572 /** |
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573 * Get the client result set. This function should be called after recognition. |
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574 * On return aResultSet contains client result set. |
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575 * @since 2.8 |
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576 * @param aResultSet Result set to be populated. |
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577 * @return - |
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578 */ |
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579 IMPORT_C void GetSIResultSetL(CSIClientResultSet& aResultSet); |
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580 |
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581 |
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582 private: |
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583 /** |
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584 * |
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585 * Returns the engine properties specified by the engine property |
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586 * ID array. On return aPropertyValue contains an array of engine |
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587 * properties. This function does the actual work. |
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588 * @since 2.0 |
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589 * @param aPropertyId constant reference to array of engine |
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590 * property Ids |
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591 * @param aPropertyValue reference to array of engine property |
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592 * values |
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593 * @return - |
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594 */ |
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595 void DoGetEnginePropertiesL(const RArray<TInt>& aPropertyId, |
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596 RArray<TInt>& aPropertyValue); |
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597 |
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598 /** |
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599 * Uploads the specified parameters into the engine. This function does |
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600 * the actual work. |
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601 * @since 2.0 |
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602 * @param aParameterId array of parameter IDs |
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603 * @param aParameterValue array of parameter values |
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604 * @return - |
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605 */ |
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606 void DoLoadEngineParametersL(const RArray<TInt>& aParameterId, |
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607 const RArray<TInt>& aParameterValue); |
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608 |
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609 /** |
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610 * Externalize an integer array. |
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611 * @since 2.0 |
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612 * @param aArray array to externalize |
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613 * @return Pointer to externalized array. |
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614 */ |
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615 CBufFlat* ExternalizeIntArrayL(const RArray<TInt>& aArray); |
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616 |
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617 /** |
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618 * Internalize an integer array. |
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619 * @since 2.0 |
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620 * @param aDes descriptor containing the data to internalize |
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621 * @param aNumberElements number of elements to internalize |
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622 * @param aArray contains the internalized array on exit |
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623 * @return - |
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624 */ |
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625 void InternalizeIntArrayL(TDes8& aDes, TInt aNumberElements, RArray<TInt>& aArray); |
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626 |
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627 private: |
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628 /** |
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629 * Initiates recognition; performed following loading of model bank, |
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630 * lexicon, and grammar. This function does the actual work and is trapped |
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631 * by the public Recognize() function. |
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632 * @since 2.0 |
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633 * @param aResultSet reference where the recognition result |
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634 * is set |
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635 * @return - |
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636 */ |
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637 void DoRecognizeL(CSDClientResultSet& aResultSet); |
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638 |
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639 /** |
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640 * Initiates speaker independent recognition; performed following |
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641 * loading of model bank, lexicon, and grammar. This function does |
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642 * the actual work and is trapped by the public Recognize() function. |
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643 * @since 2.8 |
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644 * @param aResultSet reference where the recognition result |
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645 * is set |
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646 * @return - |
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647 */ |
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648 void DoRecognizeSIL(CSIClientResultSet& aResultSet); |
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649 |
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650 /****************************************************************************/ |
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651 private: |
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652 |
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653 TAny* iReservedPtr_1; // reserved for future expansion |
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654 TAny* iReservedPtr_2; // reserved for future expansion |
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655 |
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656 |
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657 }; |
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658 |
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659 #endif // NSS_SI_SPEECH_RECOGNITION_CUSTOM_COMMANDS_H |
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660 |
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661 // End of File |