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1 /* |
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2 * Copyright (c) 2006 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 the License "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: Implementation of CBavpMediaRecognizer |
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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 // INCLUDE FILES |
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20 #include <eikenv.h> |
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21 #include <bautils.h> |
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22 #include <mmf/server/mmfdatasourcesink.hrh> |
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23 #include <mmf/common/mmfcontrollerpluginresolver.h> |
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24 |
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25 #include "BavpMediaRecognizer.h" |
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26 #include "BavpLogger.h" |
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27 |
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28 // CONSTANTS |
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29 _LIT8(KDataTypeRAM, "audio/x-pn-realaudio-plugin"); |
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30 _LIT8(KDataTypeSDP, "application/sdp"); |
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31 _LIT8(KDataTypePlaylist, "audio/mpegurl"); |
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32 _LIT8(KDataTypeRNG, "application/vnd.nokia.ringing-tone"); |
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33 _LIT8(KDataTypeMp3, "audio/mp3"); |
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34 _LIT8(KDataTypeXmp3, "audio/x-mp3"); |
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35 _LIT8(KDataTypeAudio3gp, "audio/3gpp"); |
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36 |
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37 #if defined(BRDO_ASX_FF) |
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38 _LIT8(KDataTypeWvx, "video/x-ms-wvx"); |
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39 _LIT8(KDataTypeWax, "audio/x-ms-wax"); |
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40 _LIT8(KDataTypeAsx, "video/x-ms-asx"); |
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41 #endif // BRDO_ASX_FF |
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42 |
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43 _LIT(KUrlRtsp, "rtsp:"); |
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44 |
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45 const TInt KDefaultBufferSize = 1000; |
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46 |
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47 // _LIT(KRamFileExtension,".ram"); |
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48 |
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49 // ============================ MEMBER FUNCTIONS =============================== |
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50 |
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51 // ----------------------------------------------------------------------------- |
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52 // CBavpMediaRecognizer::CBavpMediaRecognizer |
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53 // C++ default constructor can NOT contain any code, that |
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54 // might leave. |
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55 // ----------------------------------------------------------------------------- |
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56 CBavpMediaRecognizer::CBavpMediaRecognizer() |
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57 { |
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58 } |
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59 |
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60 // ----------------------------------------------------------------------------- |
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61 // CBavpMediaRecognizer::ConstructL |
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62 // Symbian 2nd phase constructor can leave. |
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63 // ----------------------------------------------------------------------------- |
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64 void CBavpMediaRecognizer::ConstructL() |
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65 { |
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66 User::LeaveIfError( iRecognizer.Connect() ); |
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67 if ( iRecognizer.GetMaxDataBufSize( iBufSize) || iBufSize <= 0 ) |
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68 { |
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69 iBufSize = KDefaultBufferSize; |
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70 } |
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71 CreateVideoFormatsArrayL(); |
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72 CreateAudioFormatsArrayL(); |
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73 } |
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74 |
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75 // ----------------------------------------------------------------------------- |
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76 // CBavpMediaRecognizer::NewL |
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77 // Two-phased constructor. |
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78 // ----------------------------------------------------------------------------- |
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79 CBavpMediaRecognizer* CBavpMediaRecognizer::NewL() |
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80 { |
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81 CBavpMediaRecognizer* self = new( ELeave ) CBavpMediaRecognizer; |
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82 CleanupStack::PushL( self ); |
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83 self->ConstructL(); |
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84 CleanupStack::Pop(); |
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85 return self; |
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86 } |
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87 |
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88 // ----------------------------------------------------------------------------- |
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89 // CBavpMediaRecognizer::~CBavpMediaRecognizer |
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90 // Destructor |
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91 // ----------------------------------------------------------------------------- |
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92 CBavpMediaRecognizer::~CBavpMediaRecognizer() |
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93 { |
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94 iVideoControllers.ResetAndDestroy(); |
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95 iAudioControllers.ResetAndDestroy(); |
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96 iRecognizer.Close(); |
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97 iFileHandle.Close(); |
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98 } |
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99 |
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100 // ----------------------------------------------------------------------------- |
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101 // CBavpMediaRecognizer::IdentifyMediaTypeL |
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102 // ----------------------------------------------------------------------------- |
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103 TBavpMediaType |
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104 CBavpMediaRecognizer::IdentifyMediaTypeL( const TDesC& aMediaName, |
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105 TBool aIncludeUrls ) |
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106 { |
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107 TBavpMediaType ret = EUnidentified; |
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108 |
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109 if ( BaflUtils::FileExists( CEikonEnv::Static()->FsSession(), aMediaName ) ) |
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110 { |
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111 TDataRecognitionResult fileRecognitionResult; |
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112 RecognizeFileL( aMediaName, fileRecognitionResult ); |
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113 |
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114 if ( !fileRecognitionResult.iDataType.Des8().CompareF( KDataTypeSDP ) ) |
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115 { |
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116 ret = ELocalSdpFile; |
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117 Log( EFalse, _L("CBavpMediaRecognizer::IdentifyMediaTypeL - ELocalSdpFile") ); |
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118 } |
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119 |
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120 if ( ret == EUnidentified && |
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121 !fileRecognitionResult.iDataType.Des8().CompareF( KDataTypePlaylist ) ) |
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122 { |
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123 ret = ELocalAudioPlaylist; |
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124 Log( EFalse, _L("CBavpMediaRecognizer::IdentifyMediaTypeL - ELocalAudioPlaylist") ); |
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125 } |
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126 |
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127 if ( ret == EUnidentified && |
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128 FileHasAudioSupport( aMediaName, fileRecognitionResult ) || |
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129 !fileRecognitionResult.iDataType.Des8().CompareF( KDataTypeRNG ) || |
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130 !fileRecognitionResult.iDataType.Des8().CompareF( KDataTypeMp3 ) || |
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131 !fileRecognitionResult.iDataType.Des8().CompareF( KDataTypeXmp3 ) || |
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132 !fileRecognitionResult.iDataType.Des8().CompareF( KDataTypeAudio3gp ) ) |
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133 { |
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134 ret = ELocalAudioFile; |
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135 Log( EFalse, _L("CBavpMediaRecognizer::IdentifyMediaTypeL - ELocalAudioFile") ); |
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136 } |
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137 |
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138 if ( ret == EUnidentified && |
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139 FileHasVideoSupport( aMediaName, fileRecognitionResult ) ) |
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140 { |
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141 ret = ELocalVideoFile; |
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142 Log( EFalse, _L("CBavpMediaRecognizer::IdentifyMediaTypeL - ELocalVideoFile") ); |
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143 } |
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144 |
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145 if ( ret == EUnidentified && |
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146 !fileRecognitionResult.iDataType.Des8().CompareF( KDataTypeRAM ) ) |
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147 { |
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148 ret = ELocalRamFile; |
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149 Log( EFalse, _L("CBavpMediaRecognizer::IdentifyMediaTypeL - ELocalRamFile") ); |
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150 } |
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151 #if defined(BRDO_ASX_FF) |
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152 if ( ret == EUnidentified && |
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153 !fileRecognitionResult.iDataType.Des8().CompareF( KDataTypeWvx ) || |
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154 !fileRecognitionResult.iDataType.Des8().CompareF( KDataTypeWax ) || |
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155 !fileRecognitionResult.iDataType.Des8().CompareF( KDataTypeAsx )) |
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156 { |
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157 ret = ELocalAsxFile; |
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158 Log( EFalse, _L("CBavpMediaRecognizer::IdentifyMediaTypeL - ELocalAsxFile") ); |
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159 } |
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160 #endif // BRDO_ASX_FF |
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161 } |
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162 else |
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163 { |
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164 if ( aIncludeUrls && ValidUrl( aMediaName ) ) |
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165 { |
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166 ret = EUrl; |
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167 Log( EFalse, _L("CBavpMediaRecognizer::IdentifyMediaTypeL - EUrl") ); |
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168 } |
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169 } |
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170 return ret; |
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171 } |
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172 |
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173 // ----------------------------------------------------------------------------- |
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174 // CBavpMediaRecognizer::IdentifyMediaTypeL |
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175 // ----------------------------------------------------------------------------- |
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176 TBavpMediaType |
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177 CBavpMediaRecognizer::IdentifyMediaTypeL( const TDesC& aMediaName, |
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178 RFile& aFile, |
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179 TBool aIncludeUrls ) |
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180 { |
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181 if( aFile.SubSessionHandle() ) |
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182 { |
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183 User::LeaveIfError( iFileHandle.Duplicate( aFile ) ); |
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184 } |
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185 |
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186 TBavpMediaType ret = EUnidentified; |
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187 |
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188 if ( BaflUtils::FileExists( CEikonEnv::Static()->FsSession(), aMediaName ) || FileHandleExists() ) |
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189 { |
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190 TDataRecognitionResult fileRecognitionResult; |
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191 RecognizeFileL( aMediaName, fileRecognitionResult ); |
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192 |
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193 if ( !fileRecognitionResult.iDataType.Des8().CompareF( KDataTypeSDP ) ) |
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194 { |
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195 ret = ELocalSdpFile; |
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196 Log( EFalse, _L("CBavpMediaRecognizer::IdentifyMediaTypeL - ELocalSdpFile") ); |
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197 } |
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198 |
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199 if ( ret == EUnidentified && |
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200 !fileRecognitionResult.iDataType.Des8().CompareF( |
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201 KDataTypePlaylist ) ) |
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202 { |
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203 ret = ELocalAudioPlaylist; |
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204 Log( EFalse, _L("CBavpMediaRecognizer::IdentifyMediaTypeL - ELocalAudioPlaylist") ); |
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205 } |
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206 |
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207 if ( ret == EUnidentified && |
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208 FileHasAudioSupport( aMediaName, fileRecognitionResult ) || |
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209 !fileRecognitionResult.iDataType.Des8().CompareF( KDataTypeRNG ) || |
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210 !fileRecognitionResult.iDataType.Des8().CompareF( KDataTypeMp3 ) || |
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211 !fileRecognitionResult.iDataType.Des8().CompareF( KDataTypeXmp3 ) || |
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212 !fileRecognitionResult.iDataType.Des8().CompareF( KDataTypeAudio3gp ) ) |
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213 { |
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214 ret = ELocalAudioFile; |
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215 Log( EFalse, _L("CBavpMediaRecognizer::IdentifyMediaTypeL - ELocalAudioFile") ); |
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216 } |
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217 |
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218 if ( ret == EUnidentified && |
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219 FileHasVideoSupport( aMediaName, fileRecognitionResult ) ) |
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220 { |
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221 ret = ELocalVideoFile; |
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222 Log( EFalse, _L("CBavpMediaRecognizer::IdentifyMediaTypeL - ELocalVideoFile") ); |
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223 } |
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224 |
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225 if ( ret == EUnidentified && |
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226 !fileRecognitionResult.iDataType.Des8().CompareF( KDataTypeRAM ) ) |
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227 { |
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228 ret = ELocalRamFile; |
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229 Log( EFalse, _L("CBavpMediaRecognizer::IdentifyMediaTypeL - ELocalRamFile") ); |
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230 } |
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231 #if defined(BRDO_ASX_FF) |
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232 if ( ret == EUnidentified && |
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233 !fileRecognitionResult.iDataType.Des8().CompareF( KDataTypeWvx ) || |
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234 !fileRecognitionResult.iDataType.Des8().CompareF( KDataTypeWax ) || |
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235 !fileRecognitionResult.iDataType.Des8().CompareF( KDataTypeAsx ) ) |
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236 { |
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237 ret = ELocalAsxFile; |
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238 Log( EFalse, _L("CBavpMediaRecognizer::IdentifyMediaTypeL - ELocalAsxFile") ); |
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239 } |
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240 #endif // BRDO_ASX_FF |
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241 } |
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242 else |
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243 { |
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244 if (aIncludeUrls && ValidUrl(aMediaName)) |
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245 { |
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246 ret = EUrl; |
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247 } |
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248 } |
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249 return ret; |
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250 } |
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251 |
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252 // ----------------------------------------------------------------------------- |
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253 // CBavpMediaRecognizer::MimeTypeL |
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254 // ----------------------------------------------------------------------------- |
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255 TBuf<KMaxDataTypeLength> |
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256 CBavpMediaRecognizer::MimeTypeL( const TDesC& aLocalFile ) |
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257 { |
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258 TDataRecognitionResult fileRecognitionResult; |
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259 RecognizeFileL( aLocalFile,fileRecognitionResult ); |
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260 |
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261 if ( fileRecognitionResult.iConfidence >= CApaDataRecognizerType::EPossible ) |
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262 { |
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263 return fileRecognitionResult.iDataType.Des(); |
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264 } |
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265 |
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266 return KNullDesC(); |
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267 } |
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268 |
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269 // ----------------------------------------------------------------------------- |
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270 // CBavpMediaRecognizer::FileHasVideoSupport |
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271 // ----------------------------------------------------------------------------- |
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272 TBool CBavpMediaRecognizer::FileHasVideoSupport( const TDesC& /*aFileName*/, |
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273 TDataRecognitionResult& aFileRecognitionResult) |
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274 { |
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275 // Try with mime type |
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276 // We have a good quess -> go with mime type |
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277 if ( aFileRecognitionResult.iConfidence >= CApaDataRecognizerType::EPossible ) |
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278 { |
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279 for (TInt i = 0 ; i < iVideoControllers.Count() ; i++) |
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280 { |
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281 RMMFFormatImplInfoArray formats = |
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282 iVideoControllers[i]->PlayFormats(); |
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283 for ( TInt j = 0; j < formats.Count() ; j++ ) |
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284 { |
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285 if ( formats[j]->SupportsMimeType( |
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286 aFileRecognitionResult.iDataType.Des8() ) ) |
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287 return ETrue; |
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288 } |
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289 } |
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290 } |
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291 return EFalse; |
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292 } |
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293 |
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294 // ----------------------------------------------------------------------------- |
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295 // CBavpMediaRecognizer::FileHasAudioSupport |
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296 // ----------------------------------------------------------------------------- |
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297 TBool CBavpMediaRecognizer::FileHasAudioSupport(const TDesC& aFileName, |
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298 TDataRecognitionResult& aFileRecognitionResult ) |
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299 { |
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300 // try with mime type |
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301 // we have a good quess -> gogo with mime type |
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302 if (aFileRecognitionResult.iConfidence >= CApaDataRecognizerType::EPossible) |
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303 { |
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304 for (TInt i = 0 ; i < iAudioControllers.Count() ; i++) |
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305 { |
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306 RMMFFormatImplInfoArray formats = |
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307 iAudioControllers[i]->PlayFormats(); |
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308 for (TInt j = 0; j < formats.Count() ; j++) |
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309 { |
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310 if ( formats[j]->SupportsMimeType( |
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311 aFileRecognitionResult.iDataType.Des8() ) ) |
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312 return ETrue; |
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313 } |
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314 } |
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315 } |
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316 |
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317 // we can't quess -> try with file extension |
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318 else |
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319 { |
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320 TParsePtrC parser(aFileName); |
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321 TBuf8<KMaxFileName> fileExtension; |
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322 fileExtension.Copy(parser.Ext()); |
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323 for (TInt i = 0 ; i < iVideoControllers.Count() ; i++) |
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324 { |
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325 RMMFFormatImplInfoArray formats = |
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326 iAudioControllers[i]->PlayFormats(); |
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327 for (TInt j = 0; j < formats.Count() ; j++) |
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328 { |
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329 if (formats[j]->SupportsFileExtension(fileExtension)) |
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330 return ETrue; |
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331 } |
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332 } |
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333 } |
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334 |
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335 return EFalse; |
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336 } |
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337 |
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338 // ----------------------------------------------------------------------------- |
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339 // CBavpMediaRecognizer::ValidUrl |
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340 // ----------------------------------------------------------------------------- |
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341 TBool CBavpMediaRecognizer::ValidUrl(const TDesC& aUrl) |
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342 { |
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343 TBool ret = EFalse; |
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344 if (aUrl.Find(KUrlRtsp) == 0) |
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345 { |
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346 ret = ETrue; |
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347 } |
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348 return ret; |
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349 } |
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350 |
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351 // ----------------------------------------------------------------------------- |
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352 // CBavpMediaRecognizer::MimeTypeL |
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353 // ----------------------------------------------------------------------------- |
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354 TBuf<KMaxDataTypeLength> CBavpMediaRecognizer::MimeTypeL(RFile& aFile) |
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355 { |
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356 if( aFile.SubSessionHandle() ) |
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357 { |
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358 // Preferred |
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359 User::LeaveIfError( iFileHandle.Duplicate( aFile ) ); |
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360 } |
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361 |
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362 // If new handle is not valid, old might still be |
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363 if ( !FileHandleExists() ) |
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364 { |
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365 User::Leave( KErrBadHandle ); |
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366 } |
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367 |
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368 TDataRecognitionResult fileRecognitionResult; |
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369 RecognizeFileL( KNullDesC(), fileRecognitionResult ); |
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370 |
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371 if (fileRecognitionResult.iConfidence >= CApaDataRecognizerType::EPossible) |
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372 { |
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373 return fileRecognitionResult.iDataType.Des(); |
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374 } |
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375 return KNullDesC(); |
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376 } |
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377 |
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378 // ----------------------------------------------------------------------------- |
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379 // CBavpMediaRecognizer::CreateVideoFormatsArrayL |
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380 // ----------------------------------------------------------------------------- |
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381 void CBavpMediaRecognizer::CreateVideoFormatsArrayL() |
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382 { |
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383 CMMFControllerPluginSelectionParameters* cSelect = |
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384 CMMFControllerPluginSelectionParameters::NewLC(); |
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385 |
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386 CMMFFormatSelectionParameters* fSelect = |
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387 CMMFFormatSelectionParameters::NewLC(); |
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388 |
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389 // Set the play and record format selection parameters to be blank. |
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390 // - format support is only retrieved if requested. |
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391 cSelect->SetRequiredPlayFormatSupportL(*fSelect); |
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392 |
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393 // Set the media ids |
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394 RArray<TUid> mediaIds; |
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395 CleanupClosePushL(mediaIds); |
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396 User::LeaveIfError(mediaIds.Append(KUidMediaTypeVideo)); |
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397 |
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398 // Get plugins that support at least video |
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399 cSelect->SetMediaIdsL( mediaIds, |
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400 CMMFPluginSelectionParameters::EAllowOtherMediaIds ); |
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401 |
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402 // iVideoControllers contains now all plugins that support at least video |
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403 cSelect->ListImplementationsL(iVideoControllers); |
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404 |
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405 // Clean up |
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406 CleanupStack::PopAndDestroy( 3 ); // fSelect, cSelect, mediaIds |
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407 } |
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408 |
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409 // ----------------------------------------------------------------------------- |
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410 // CBavpMediaRecognizer::CreateAudioFormatsArrayL |
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411 // ----------------------------------------------------------------------------- |
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412 void CBavpMediaRecognizer::CreateAudioFormatsArrayL() |
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413 { |
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414 CMMFControllerPluginSelectionParameters* cSelect = |
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415 CMMFControllerPluginSelectionParameters::NewLC(); |
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416 |
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417 CMMFFormatSelectionParameters* fSelect = |
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418 CMMFFormatSelectionParameters::NewLC(); |
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419 |
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420 // Set the play and record format selection parameters to be blank. |
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421 // - format support is only retrieved if requested. |
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422 cSelect->SetRequiredPlayFormatSupportL( *fSelect ); |
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423 |
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424 // Set the media ids |
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425 RArray<TUid> mediaIds; |
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426 CleanupClosePushL( mediaIds ); |
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427 User::LeaveIfError( mediaIds.Append(KUidMediaTypeAudio) ); |
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428 |
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429 // Get plugins that supports audio only |
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430 cSelect->SetMediaIdsL( mediaIds, |
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431 CMMFPluginSelectionParameters::EAllowOnlySuppliedMediaIds ); |
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432 |
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433 // iAudioControllers contains now all audio plugins that |
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434 // support at least audio. |
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435 cSelect->ListImplementationsL( iAudioControllers ); |
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436 |
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437 // Clean up |
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438 CleanupStack::PopAndDestroy( 3 ); // fSelect, cSelect, mediaIds |
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439 } |
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440 |
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441 // ----------------------------------------------------------------------------- |
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442 // CBavpMediaRecognizer::RecognizeFileL |
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443 // ----------------------------------------------------------------------------- |
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444 void CBavpMediaRecognizer::RecognizeFileL( const TDesC& aFileName, |
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445 TDataRecognitionResult& aResult ) |
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446 { |
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447 aResult.Reset(); |
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448 HBufC8* fBuf = HBufC8::NewLC( iBufSize ); // fBuf in CS |
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449 TPtr8 fileBuf = fBuf->Des(); |
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450 |
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451 // Recognize file |
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452 if ( FileHandleExists() ) |
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453 { |
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454 User::LeaveIfError( iRecognizer.RecognizeData( iFileHandle, aResult ) ); |
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455 } |
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456 else |
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457 { |
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458 // Read file |
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459 User::LeaveIfError( ReadFile( aFileName, fileBuf ) ); |
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460 User::LeaveIfError( iRecognizer.RecognizeData( aFileName, fileBuf, aResult ) ); |
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461 } |
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462 |
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463 CleanupStack::PopAndDestroy(); // fBuf |
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464 } |
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465 |
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466 // ----------------------------------------------------------------------------- |
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467 // CBavpMediaRecognizer::ReadFile |
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468 // ----------------------------------------------------------------------------- |
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469 TInt CBavpMediaRecognizer::ReadFile( const TDesC& aFileName, TDes8& aBuf ) |
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470 { |
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471 RFile file; |
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472 TInt err; |
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473 |
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474 if ( FileHandleExists() ) |
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475 { |
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476 err = file.Duplicate( iFileHandle ); |
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477 } |
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478 else |
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479 { |
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480 err = file.Open( CEikonEnv::Static()->FsSession(), aFileName, |
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481 EFileRead | EFileShareAny ); |
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482 if ( err ) |
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483 { |
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484 err = file.Open( CEikonEnv::Static()->FsSession(), aFileName, |
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485 EFileRead | EFileShareReadersOnly ); |
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486 } |
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487 } |
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488 |
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489 if ( err ) |
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490 { |
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491 // If file does not exist |
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492 return err; |
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493 } |
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494 |
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495 // Read the beginning of the file |
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496 err = file.Read( 0, aBuf, iBufSize ); |
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497 file.Close(); |
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498 |
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499 return err; |
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500 } |
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501 |
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502 // ----------------------------------------------------------------------------- |
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503 // CBavpMediaRecognizer::FileHandleExists |
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504 // ----------------------------------------------------------------------------- |
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505 TBool CBavpMediaRecognizer::FileHandleExists() |
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506 { |
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507 TInt size(0); |
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508 TInt err(0); |
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509 |
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510 if ( iFileHandle.SubSessionHandle() ) |
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511 { |
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512 err = iFileHandle.Size( size ); |
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513 } |
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514 |
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515 return ( !err && size ) ? ETrue : EFalse; |
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516 } |
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517 |
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518 // End of File |