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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 class provides the base class for ID3v2 parsers. |
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15 * |
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16 */ |
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17 |
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18 |
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19 |
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20 // INCLUDE FILES |
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21 #include "MetaDataParserID3v2.h" |
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22 #include "MetaDataParserID3v22.h" |
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23 #include "MetaDataParserID3v23.h" |
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24 #include "MetaDataParserID3v24.h" |
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25 #include "MetaDataSourceDescriptor.h" |
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26 |
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27 #include <barsc.h> |
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28 #include <barsread.h> |
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29 #include <TopCharacterSet.rsg> |
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30 #include <data_caging_path_literals.hrh> |
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31 |
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32 // CONSTANTS |
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33 // (ID3v2 specification found in www.id3.org) |
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34 const TInt KID3v2HeaderLength = 10; |
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35 const TInt KID3v2TagLength = 3; |
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36 |
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37 const TInt KMinimumConfidenceRequired = 90; |
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38 const TInt KMinimumJapaneseConfidenceRequired = 75; |
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39 const TUint KParseFromMemory = 1000000; |
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40 |
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41 //Album Type |
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42 const TInt KPictureTypeOther = 0x00; |
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43 const TInt KPictureTypePixel = 0x01; |
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44 const TInt KPictureTypeFileIcon = 0x02; |
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45 const TInt KPictureTypeFrontCover = 0x03; |
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46 const TInt KPictureTypeBackCover = 0x04; |
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47 |
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48 // Album Type priority |
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49 const TInt K1stAlbumArt = KPictureTypeOther; |
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50 const TInt K2ndAlbumArt = KPictureTypeFrontCover; |
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51 const TInt K3rdAlbumArt = KPictureTypeBackCover; |
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52 |
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53 _LIT8( KID3v2Tag, "ID3" ); |
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54 |
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55 // ============================ MEMBER FUNCTIONS =============================== |
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56 |
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57 // ----------------------------------------------------------------------------- |
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58 // CMetaDataParserID3v2::CMetaDataParserID3v2 |
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59 // C++ default constructor can NOT contain any code, that |
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60 // might leave. |
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61 // ----------------------------------------------------------------------------- |
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62 // |
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63 CMetaDataParserID3v2::CMetaDataParserID3v2( |
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64 CMetaDataSource& aSource ) |
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65 : iSource(&aSource), |
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66 iParseFromDescriptor(EFalse), |
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67 iAlbumType(-1), |
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68 iAlbumPtr(NULL) |
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69 { |
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70 } |
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71 |
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72 // ----------------------------------------------------------------------------- |
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73 // CMetaDataParserID3v2::CreateID3v2ParserL |
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74 // Two-phased constructor. |
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75 // ----------------------------------------------------------------------------- |
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76 // |
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77 CMetaDataParserID3v2* CMetaDataParserID3v2::CreateID3v2ParserL( |
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78 CMetaDataSource& aSource ) |
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79 { |
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80 #ifdef _DEBUG |
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81 RDebug::Print(_L("CMetaDataParserID3v2::CreateID3v2ParserL")); |
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82 #endif |
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83 TInt version = VersionL(aSource); |
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84 |
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85 CMetaDataParserID3v2* parser = NULL; |
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86 switch ( version ) |
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87 { |
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88 case 2: |
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89 parser = STATIC_CAST( CMetaDataParserID3v2*, CMetaDataParserID3v22::NewL(aSource) ); |
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90 break; |
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91 case 3: |
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92 parser = STATIC_CAST( CMetaDataParserID3v2*, CMetaDataParserID3v23::NewL(aSource) ); |
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93 break; |
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94 case 4: |
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95 parser = STATIC_CAST( CMetaDataParserID3v2*, CMetaDataParserID3v24::NewL(aSource) ); |
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96 break; |
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97 default: // KErrNotFound |
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98 break; |
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99 } |
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100 return parser; |
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101 } |
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102 |
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103 // Destructor |
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104 CMetaDataParserID3v2::~CMetaDataParserID3v2() |
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105 { |
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106 if(iAutoDetectChinese || iAutoDetectRussian || iAutoDetectJapanese) |
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107 { |
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108 delete iCharacterSet; |
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109 delete iTopCharacterSet; |
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110 } |
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111 if(iParseFromDescriptor) |
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112 { |
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113 delete iTag; |
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114 delete iSourceDes; |
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115 } |
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116 if ( iAlbumPtr ) |
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117 { |
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118 delete iAlbumPtr; |
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119 } |
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120 |
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121 } |
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122 |
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123 // ----------------------------------------------------------------------------- |
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124 // CMetaDataParserID3v2::ParseL |
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125 // ----------------------------------------------------------------------------- |
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126 // |
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127 void CMetaDataParserID3v2::ParseL( |
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128 const RArray<TMetaDataFieldId>& aWantedFields, |
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129 CMetaDataFieldContainer& aContainer ) |
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130 { |
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131 #ifdef _DEBUG |
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132 RDebug::Print(_L("CMetaDataParserID3v2::ParseL")); |
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133 #endif |
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134 iContainer = &aContainer; |
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135 PrepareToParseL(); |
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136 CRepository *metadataRepository = CRepository::NewL(KCRUidMetadataUtility); |
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137 TInt err = KErrNone; |
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138 err = metadataRepository->Get(KMetadataUtilityAutoDetectChineseChars, iAutoDetectChinese); |
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139 if(err) |
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140 { |
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141 iAutoDetectChinese = EFalse; |
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142 } |
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143 err = metadataRepository->Get(KMetadataUtilityAutoDetectJapaneseChars, iAutoDetectJapanese); |
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144 if(err) |
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145 { |
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146 iAutoDetectJapanese = EFalse; |
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147 } |
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148 delete metadataRepository; |
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149 TLanguage lang = User::Language(); |
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150 if(lang == ELangRussian || lang == ELangUkrainian) |
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151 { |
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152 iAutoDetectRussian = ETrue; |
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153 } |
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154 if(iAutoDetectChinese || iAutoDetectRussian || iAutoDetectJapanese) |
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155 { |
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156 CreateCharacterSetsL(); |
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157 } |
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158 // choose if want to parse from descriptor |
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159 if(iFrameDataSize < KParseFromMemory) // 1Mb |
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160 { |
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161 iTag = HBufC8::NewL(iFrameDataSize); |
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162 TPtr8 des( iTag->Des() ); |
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163 iSource->ReadL(0, des); |
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164 |
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165 iSourceDes = CMetaDataSourceDescriptor::NewL(des); |
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166 iSource = iSourceDes; |
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167 iParseFromDescriptor = ETrue; |
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168 } |
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169 if ( aWantedFields.Count() == 0 ) |
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170 { |
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171 ParseFramesL(); |
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172 } |
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173 else |
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174 { |
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175 ParseFramesL(aWantedFields); |
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176 } |
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177 } |
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178 |
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179 // ----------------------------------------------------------------------------- |
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180 // CMetaDataParserID3v2::ParseFramesL |
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181 // ----------------------------------------------------------------------------- |
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182 // |
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183 void CMetaDataParserID3v2::ParseFramesL() |
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184 { |
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185 #ifdef _DEBUG |
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186 RDebug::Print(_L("CMetaDataParserID3v2::ParseFramesL")); |
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187 #endif |
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188 TMetaDataFieldId fieldId; |
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189 TInt frameSize; |
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190 TInt frameHeaderSize = 0; |
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191 while ( iFrameOffset < ( iFrameDataSize - 1 ) ) |
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192 { |
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193 GetNextFieldL(fieldId, frameHeaderSize, frameSize); |
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194 |
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195 if ( frameHeaderSize == 0 ) |
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196 { |
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197 // We have hit the padding -> no more fields to read |
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198 break; |
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199 } |
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200 |
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201 if ( frameSize < 0 || frameSize > ( iFrameDataSize - iFrameOffset ) ) |
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202 { |
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203 // Invalid frame size -> stop |
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204 break; |
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205 } |
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206 TInt err = KErrNone; // ignore err, as some entry may be extracted without exception |
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207 if ( fieldId != EUnknownMetaDataField ) |
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208 { |
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209 switch ( fieldId ) |
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210 { |
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211 case EMetaDataSongTitle: |
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212 case EMetaDataArtist: |
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213 case EMetaDataAlbum: |
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214 case EMetaDataAlbumTrack: |
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215 case EMetaDataComposer: |
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216 case EMetaDataCopyright: |
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217 case EMetaDataOriginalArtist: |
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218 TRAP(err, GetTextInfoL( fieldId, frameSize )); |
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219 break; |
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220 |
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221 case EMetaDataGenre: |
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222 TRAP(err, GetGenreL( frameSize )); |
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223 break; |
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224 |
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225 case EMetaDataYear: |
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226 TRAP(err, GetTextYearL( frameSize )); |
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227 break; |
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228 |
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229 case EMetaDataComment: |
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230 TRAP(err, GetCommentL( frameSize )); |
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231 break; |
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232 |
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233 case EMetaDataUrl: |
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234 TRAP(err, GetUrlL( frameSize )); |
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235 break; |
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236 |
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237 case EMetaDataUserUrl: |
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238 TRAP(err, GetUserUrlL( frameSize )); |
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239 break; |
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240 |
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241 case EMetaDataJpeg: |
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242 // check for 1st album art |
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243 if (iAlbumType != K1stAlbumArt) |
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244 { |
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245 TRAP(err,GetJpegL( frameSize )); |
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246 } |
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247 break; |
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248 |
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249 case EMetaDataDuration: |
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250 TRAP(err, GetDurationL( frameSize )); |
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251 break; |
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252 |
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253 case EMetaDataDate: |
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254 TRAP(err, GetTextDateL( frameSize )); |
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255 break; |
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256 |
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257 case EMetaDataRating: |
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258 TRAP(err, GetRatingL( frameSize )); |
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259 break; |
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260 |
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261 default: |
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262 break; |
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263 } |
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264 } |
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265 iFrameOffset += (frameSize + frameHeaderSize); |
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266 } |
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267 |
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268 // retrieve the album art |
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269 TRAPD (error, RetrieveAlbumArtL()); |
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270 if (error) |
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271 { |
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272 #ifdef _DEBUG |
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273 RDebug::Print(_L("CMetaDataParserID3v2::ParseFramesL - RetrieveAlbumArt leave")); |
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274 #endif |
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275 } |
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276 |
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277 } |
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278 |
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279 // ----------------------------------------------------------------------------- |
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280 // CMetaDataParserID3v2::ParseFramesL |
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281 // ----------------------------------------------------------------------------- |
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282 // |
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283 void CMetaDataParserID3v2::ParseFramesL( |
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284 const RArray<TMetaDataFieldId>& aWantedFields ) |
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285 { |
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286 #ifdef _DEBUG |
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287 RDebug::Print(_L("CMetaDataParserID3v2::ParseFramesL - 2")); |
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288 #endif |
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289 TMetaDataFieldId fieldId; |
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290 TInt frameSize; |
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291 TInt frameHeaderSize; |
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292 while ( iFrameOffset < ( iFrameDataSize - 1 ) ) |
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293 { |
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294 GetNextFieldL(fieldId, frameHeaderSize, frameSize); |
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295 |
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296 if ( frameHeaderSize == 0 ) |
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297 { |
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298 // We have hit the padding -> no more fields to read |
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299 break; |
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300 } |
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301 |
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302 if ( frameSize < 0 || frameSize > ( iFrameDataSize - iFrameOffset ) ) |
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303 { |
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304 // Invalid frame size -> stop |
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305 break; |
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306 } |
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307 TInt err = KErrNone; |
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308 if ( fieldId != EUnknownMetaDataField ) |
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309 { |
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310 // Look for it in the wanted field array |
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311 TInt count( aWantedFields.Count() ); |
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312 for ( TInt i = 0; i < count; i++ ) |
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313 { |
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314 if ( aWantedFields[ i ] == fieldId ) |
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315 { |
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316 switch ( fieldId ) |
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317 { |
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318 case EMetaDataSongTitle: |
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319 case EMetaDataArtist: |
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320 case EMetaDataAlbum: |
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321 case EMetaDataAlbumTrack: |
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322 case EMetaDataComposer: |
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323 case EMetaDataCopyright: |
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324 case EMetaDataOriginalArtist: |
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325 TRAP(err, GetTextInfoL( fieldId, frameSize )); |
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326 break; |
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327 |
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328 case EMetaDataGenre: |
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329 TRAP(err, GetGenreL( frameSize )); |
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330 break; |
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331 |
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332 case EMetaDataYear: |
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333 TRAP(err, GetTextYearL( frameSize )); |
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334 break; |
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335 |
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336 case EMetaDataComment: |
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337 TRAP(err, GetCommentL( frameSize )); |
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338 break; |
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339 |
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340 case EMetaDataUrl: |
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341 TRAP(err, GetUrlL( frameSize )); |
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342 break; |
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343 |
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344 case EMetaDataJpeg: |
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345 // check for 1st album art |
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346 if (iAlbumType != K1stAlbumArt) |
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347 { |
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348 TRAP(err,GetJpegL( frameSize )); |
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349 } |
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350 break; |
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351 |
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352 case EMetaDataUserUrl: |
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353 TRAP(err, GetUserUrlL( frameSize )); |
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354 break; |
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355 |
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356 case EMetaDataDuration: |
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357 TRAP(err, GetDurationL( frameSize )); |
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358 break; |
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359 |
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360 case EMetaDataDate: |
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361 TRAP(err, GetTextDateL( frameSize )); |
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362 break; |
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363 |
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364 case EMetaDataRating: |
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365 TRAP(err, GetRatingL( frameSize )); |
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366 break; |
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367 |
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368 default: |
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369 break; |
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370 } |
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371 } |
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372 } |
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373 } |
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374 iFrameOffset += (frameSize + frameHeaderSize); |
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375 } |
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376 |
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377 // retrieve the album art |
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378 TRAPD (error, RetrieveAlbumArtL()); |
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379 if (error) |
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380 { |
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381 #ifdef _DEBUG |
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382 RDebug::Print(_L("CMetaDataParserID3v2::ParseFramesL-2 - RetrieveAlbumArt leave")); |
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383 #endif |
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384 } |
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385 |
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386 } |
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387 |
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388 // ----------------------------------------------------------------------------- |
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389 // CMetaDataParserID3v2::RetrieveAlbumArtL |
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390 // ----------------------------------------------------------------------------- |
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391 // |
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392 void CMetaDataParserID3v2::RetrieveAlbumArtL() |
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393 { |
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394 // If album art exists, add to container |
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395 if ( iAlbumPtr != NULL ) |
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396 { |
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397 TPtr8 des( iAlbumPtr->Des() ); |
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398 TPtrC8 pic = des.Mid(iAlbumOffset); |
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399 TInt length = pic.Length(); |
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400 if ( length ) |
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401 { |
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402 iContainer->AppendL( EMetaDataJpeg, pic ); |
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403 } |
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404 |
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405 // reset the album related variables |
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406 iAlbumType = -1; |
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407 iAlbumOffset = 0; |
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408 delete iAlbumPtr; |
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409 iAlbumPtr = NULL; |
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410 } |
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411 } |
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412 |
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413 // ----------------------------------------------------------------------------- |
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414 // CMetaDataParserID3v2::Handlev2GetGenreL |
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415 // ----------------------------------------------------------------------------- |
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416 // |
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417 void CMetaDataParserID3v2::HandleV2GetGenreL( TInt aSize, TInt aKID3v2FrameHeaderLength, TInt aKID3v2GenreNameLength ) |
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418 { |
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419 #ifdef _DEBUG |
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420 RDebug::Print(_L("CMetaDataParserID3v2::GetGenreL")); |
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421 #endif |
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422 |
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423 HBufC8* frame = HBufC8::NewLC( aSize ); |
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424 TPtr8 des( frame->Des() ); |
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425 |
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426 iSource->ReadL( iFrameOffset + aKID3v2FrameHeaderLength, des, aSize ); |
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427 |
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428 if ( des.Length() < aSize ) |
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429 { |
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430 // Partial frame |
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431 User::Leave( KErrCorrupt ); |
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432 } |
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433 |
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434 TInt encoding = (TInt) (des.Left(1))[0]; |
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435 TPtrC8 info = StripTrailingZeroes( des.Mid(1), encoding); |
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436 TInt length = info.Length(); |
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437 |
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438 if(length <= 0) |
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439 { |
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440 CleanupStack::PopAndDestroy(); // frame |
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441 return; |
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442 } |
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443 else |
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444 { |
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445 length = (length > aKID3v2GenreNameLength) ? length : aKID3v2GenreNameLength; |
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446 } |
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447 |
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448 HBufC8* genreData = HBufC8::NewLC( length ); |
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449 TPtr8 temp( genreData->Des() ); |
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450 temp.Copy(info); |
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451 |
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452 if ( encoding == 0 ) |
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453 { |
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454 if ( temp[0] == KID3v2format ) |
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455 { |
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456 //temp.Delete(0,1); |
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457 TLex8 lex(temp.Ptr() + 1); |
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458 TInt genreID = 0; |
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459 TInt err = lex.Val(genreID); |
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460 if(err != KErrNone) |
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461 { |
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462 CleanupStack::PopAndDestroy(2); // genreData, frame |
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463 return; |
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464 } |
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465 if(genreID >= 0 && genreID <= 125 || genreID == 199) |
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466 { |
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467 temp.FillZ(0); |
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468 MapID3GenreToStringL(genreID,temp); |
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469 } |
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470 } |
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471 |
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472 if( length ) |
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473 { |
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474 HBufC* data16 = HBufC::NewLC( length ); |
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475 TPtr unicode( data16->Des() ); |
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476 if ( ConvertToUnicodeL(encoding, temp, unicode) == KErrNone ) |
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477 { |
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478 iContainer->AppendL( EMetaDataGenre, unicode ); |
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479 } |
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480 CleanupStack::PopAndDestroy(data16); // data16 |
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481 } |
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482 } |
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483 else // non ASCII |
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484 { |
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485 HBufC* dataGen16 = HBufC::NewLC( length ); |
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486 TPtr unicodeGen( dataGen16->Des() ); |
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487 if ( ConvertToUnicodeL(encoding, temp, unicodeGen) == KErrNone ) |
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488 { |
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489 if (temp.Length() <= 2) |
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490 { |
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491 CleanupStack::PopAndDestroy(3); // dataGen16, genreData, frame |
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492 return; |
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493 } |
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494 temp = temp.Mid(2); |
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495 if(temp[0] == KID3v2format) |
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496 { |
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497 TLex16 lex(unicodeGen.Ptr()+1); |
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498 TInt val=0; |
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499 TInt err = lex.Val(val); |
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500 if(err != KErrNone) |
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501 { |
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502 CleanupStack::PopAndDestroy(3); // dataGen16, genreData, frame |
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503 return; |
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504 } |
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505 |
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506 if(val >= 0 && val <= 125 || val == 199) |
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507 { |
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508 unicodeGen.FillZ(0); |
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509 MapID3GenreToStringL(val,unicodeGen); |
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510 } |
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511 } |
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512 iContainer->AppendL( EMetaDataGenre, unicodeGen ); |
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513 } |
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514 CleanupStack::PopAndDestroy(dataGen16); // dataGen16 |
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515 } |
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516 CleanupStack::PopAndDestroy(genreData); // genreData |
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517 CleanupStack::PopAndDestroy(frame); // frame |
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518 } |
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519 |
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520 // ----------------------------------------------------------------------------- |
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521 // CMetaDataParserID3v2::VersionL |
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522 // ----------------------------------------------------------------------------- |
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523 // |
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524 TInt CMetaDataParserID3v2::VersionL( |
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525 CMetaDataSource& aSource ) |
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526 { |
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527 TInt size = 0; |
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528 aSource.Size( size ); |
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529 if ( size < KID3v2HeaderLength ) |
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530 { |
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531 // This isn't ID3v2 |
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532 return KErrNotFound; |
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533 } |
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534 |
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535 TBuf8<KID3v2HeaderLength> header; |
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536 aSource.ReadL( header ); |
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537 // ID3v2 header consists of following parts: |
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538 // - identifier "ID3", 3 bytes |
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539 // - version, 2 bytes |
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540 // - flags, 1 byte |
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541 // - data length, 4 bytes |
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542 |
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543 if ( header.Left( KID3v2TagLength ).Compare( KID3v2Tag ) != 0 ) |
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544 { |
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545 return KErrNotFound; |
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546 } |
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547 |
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548 TInt frameSize = 0; |
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549 for ( TInt i = 6; i < 10; i++ ) |
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550 { |
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551 frameSize <<= 7; |
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552 frameSize |= header[i] & 0x7f; |
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553 } |
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554 |
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555 if ( size < ( frameSize + KID3v2HeaderLength ) ) |
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556 { |
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557 // Partial ID3v2 tag |
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558 User::Leave( KErrCorrupt ); |
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559 } |
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560 |
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561 return (TInt) header[3]; |
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562 } |
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563 |
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564 // ----------------------------------------------------------------------------- |
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565 // CMetaDataParserID3v2::CreateCharacterSetsL |
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566 // ----------------------------------------------------------------------------- |
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567 // |
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568 void CMetaDataParserID3v2::CreateCharacterSetsL() |
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569 { |
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570 // Get list of charconv supported character sets |
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571 iCharacterSet = CCnvCharacterSetConverter::CreateArrayOfCharacterSetsAvailableL(iFs); |
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572 iTopCharacterSet = new (ELeave) CArrayFixFlat<CCnvCharacterSetConverter::SCharacterSet>(12); |
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573 GenerateTopCharacterSetsL(); |
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574 } |
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575 |
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576 // ----------------------------------------------------------------------------- |
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577 // CMetaDataParserID3v1::DetectCharacterSetL |
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578 // ----------------------------------------------------------------------------- |
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579 // |
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580 TInt CMetaDataParserID3v2::DetectCharacterSetL( |
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581 const TDesC8& aDesc) |
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582 { |
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583 TInt confidence = 0; |
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584 TInt highestConfidence = 0; |
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585 TUint charSetId; |
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586 TUint highestConfidencecharSetId = 0; |
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587 |
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588 CCnvCharacterSetConverter* charSetConv = CCnvCharacterSetConverter::NewLC(); |
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589 TInt count = iTopCharacterSet->Count(); |
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590 for ( TInt i=0; i < iTopCharacterSet->Count(); i++) |
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591 { |
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592 charSetId = iTopCharacterSet->At(i).Identifier(); |
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593 charSetConv->ConvertibleToCharSetL(confidence, charSetId, *iTopCharacterSet, aDesc); |
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594 if ( confidence > highestConfidence ) |
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595 { |
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596 highestConfidence = confidence; |
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597 highestConfidencecharSetId = charSetId; |
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598 } |
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599 } |
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600 CleanupStack::PopAndDestroy(charSetConv); |
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601 #ifdef _DEBUG |
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602 RDebug::Print(_L("CMetaDataParserID3v1::DetectCharacterSetL :-> Confidence[%d] CharSetId[%x]"), |
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603 highestConfidence, highestConfidencecharSetId); |
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604 #endif |
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605 |
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606 if ( (highestConfidence >= KMinimumConfidenceRequired) || (iAutoDetectJapanese && highestConfidence >= KMinimumJapaneseConfidenceRequired )) |
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607 { |
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608 iCharacterSetId = highestConfidencecharSetId; |
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609 return KErrNone; |
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610 } |
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611 else |
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612 { |
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613 return KErrNotFound; |
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614 } |
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615 } |
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616 |
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617 // ----------------------------------------------------------------------------- |
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618 // CMetaDataParserID3v2::AutoDetectL |
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619 // ----------------------------------------------------------------------------- |
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620 // |
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621 TInt CMetaDataParserID3v2::AutoDetectL(const TDesC8& aDesc, |
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622 TDes16& aUnicode) |
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623 { |
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624 if ( iCharacterSetId == 0 ) |
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625 { |
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626 if ( DetectCharacterSetL(aDesc) == KErrNotFound ) |
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627 { |
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628 return KErrNotFound; |
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629 } |
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630 } |
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631 |
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632 CCnvCharacterSetConverter* charSetConv = CCnvCharacterSetConverter::NewLC(); |
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633 TInt state = CCnvCharacterSetConverter::KStateDefault; |
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634 TInt numOfUnconvertibleChars = 0; |
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635 |
|
636 charSetConv->PrepareToConvertToOrFromL(iCharacterSetId, *iCharacterSet, iFs); |
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637 TInt retVal = charSetConv->ConvertToUnicode(aUnicode, aDesc, state, numOfUnconvertibleChars); |
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638 #ifdef _DEBUG |
|
639 RDebug::Print(_L("CMetaDataParserID3v1::ConvertToUnicode :-> Tag Size[%d] Unicode Tag Size[%d]Bytes Unconverted[%d] retVal[%d]"), |
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640 aDesc.Length(), aUnicode.Length(), numOfUnconvertibleChars, retVal); |
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641 #endif |
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642 if ( retVal < 0 ) |
|
643 { |
|
644 CleanupStack::PopAndDestroy(); // charSetConv |
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645 return retVal; |
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646 //return KErrGeneral; |
|
647 } |
|
648 |
|
649 if ( retVal > 0 || numOfUnconvertibleChars > 0 ) |
|
650 { |
|
651 // This is different character set. Need to auto detect again |
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652 if ( DetectCharacterSetL(aDesc) == KErrNotFound ) |
|
653 { |
|
654 CleanupStack::PopAndDestroy(); // charSetConv |
|
655 return KErrNotFound; |
|
656 } |
|
657 state = CCnvCharacterSetConverter::KStateDefault; |
|
658 numOfUnconvertibleChars = 0; |
|
659 charSetConv->PrepareToConvertToOrFromL(iCharacterSetId, *iCharacterSet, iFs); |
|
660 retVal = charSetConv->ConvertToUnicode(aUnicode, aDesc, state, numOfUnconvertibleChars); |
|
661 #ifdef _DEBUG |
|
662 RDebug::Print(_L("CMetaDataParserID3v1::ConvertToUnicode :-> Tag Size[%d] Unicode Tag Size[%d]Bytes Unconverted[%d] retVal[%d]"), |
|
663 aDesc.Length(), aUnicode.Length(), numOfUnconvertibleChars, retVal); |
|
664 #endif |
|
665 if ( retVal != 0 || numOfUnconvertibleChars > 0 ) |
|
666 { |
|
667 CleanupStack::PopAndDestroy(); // charSetConv |
|
668 return KErrGeneral; |
|
669 } |
|
670 } |
|
671 CleanupStack::PopAndDestroy(); // charSetConv |
|
672 return KErrNone; |
|
673 } |
|
674 |
|
675 |
|
676 |
|
677 // ----------------------------------------------------------------------------- |
|
678 // CMetaDataParserID3v2::Version() |
|
679 // ----------------------------------------------------------------------------- |
|
680 // |
|
681 TID3Version CMetaDataParserID3v2::ID3Version() |
|
682 { |
|
683 return EID3Version2; |
|
684 } |
|
685 |
|
686 |
|
687 //----------------------------------------------------------------------------- |
|
688 // CMetaDataParserID3v2::NeedRetrieveAlbumArt( TInt aPicType ) |
|
689 //----------------------------------------------------------------------------- |
|
690 // |
|
691 TBool CMetaDataParserID3v2::NeedRetrieveAlbumArt( TInt aPicType ) |
|
692 { |
|
693 TBool ret = EFalse; |
|
694 |
|
695 switch (iAlbumType) |
|
696 { |
|
697 case K1stAlbumArt : |
|
698 // return EFalse, no need to retrieve another album art |
|
699 break; |
|
700 case K2ndAlbumArt : |
|
701 if (aPicType == K1stAlbumArt) |
|
702 { |
|
703 ret = ETrue; |
|
704 } |
|
705 break; |
|
706 case K3rdAlbumArt : |
|
707 if ((aPicType == K1stAlbumArt) || |
|
708 (aPicType == K2ndAlbumArt)) |
|
709 { |
|
710 ret = ETrue; |
|
711 } |
|
712 break; |
|
713 default: |
|
714 // There is no album art, or it is a priority album art |
|
715 if ((iAlbumType == -1) || |
|
716 (aPicType == K1stAlbumArt) || |
|
717 (aPicType == K2ndAlbumArt) || |
|
718 (aPicType == K3rdAlbumArt)) |
|
719 { |
|
720 ret = ETrue; |
|
721 } |
|
722 // if the old one is bad, and the new one is good, use it |
|
723 else |
|
724 { |
|
725 if ( IgnoreAlbumType(iAlbumType) && !IgnoreAlbumType(aPicType) ) |
|
726 { |
|
727 // get the new one |
|
728 ret = ETrue; |
|
729 } |
|
730 } |
|
731 |
|
732 } |
|
733 |
|
734 return ret; |
|
735 } |
|
736 |
|
737 |
|
738 //----------------------------------------------------------------------------- |
|
739 // CMetaDataParserID3v2::IgnoreAlbumType( TInt aPicType ) |
|
740 //----------------------------------------------------------------------------- |
|
741 // |
|
742 TBool CMetaDataParserID3v2::IgnoreAlbumType (TInt aPicType) |
|
743 { |
|
744 if (aPicType == KPictureTypePixel || aPicType == KPictureTypeFileIcon) |
|
745 { |
|
746 return ETrue; |
|
747 } |
|
748 |
|
749 return EFalse; |
|
750 |
|
751 } |
|
752 // End of File |