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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: Recognizer for 3GP files. |
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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 // INCLUDES |
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20 #include <f32file.h> |
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21 #include <barsread.h> |
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22 #include <mp4lib.h> |
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23 #include <implementationproxy.h> |
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24 #include "3GPAudioPlayControllerRecognizer.h" |
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25 #include "DebugMacros.h" |
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26 |
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27 // LOCAL CONSTANTS AND MACROS |
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28 const TUid KUidMime3gpRecognizer = {0x101FAFAD}; |
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29 const TInt KExtLength = 4; |
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30 _LIT(KDot, "."); |
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31 _LIT(KDot3gp, ".3gp"); |
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32 _LIT(KDot3ga, ".3ga"); |
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33 _LIT8(K3gpAudioMimeType, "audio/3gpp"); |
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34 _LIT8(K3gpVideoMimeType, "video/3gpp"); |
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35 |
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36 _LIT(KDotMp4, ".mp4"); |
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37 _LIT(KDotM4a, ".m4a"); |
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38 _LIT8(KMp4AudioMimeType, "audio/mp4"); |
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39 _LIT8(KMp4VideoMimeType, "video/mp4"); |
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40 |
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41 _LIT(KDot3g2, ".3g2"); |
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42 _LIT8(K3g2AudioMimeType, "audio/3gpp2"); |
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43 _LIT8(K3g2VideoMimeType, "video/3gpp2"); |
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44 |
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45 // Needed for looking at headers for 3gp files w/ no extensions |
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46 const TInt KPreHeaderLength = 4; |
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47 const TInt KHeaderLen = 8; |
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48 |
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49 _LIT8(K3gpHeader ,"ftyp3gp"); |
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50 _LIT8(KMp4Header ,"ftypmp4"); |
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51 _LIT8(KMmp4Header ,"ftypmmp4"); |
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52 _LIT8(KM4aHeader, "ftypM4A"); |
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53 _LIT8(K3g2Header, "ftyp3g2"); |
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54 _LIT8(K3gp6Header, "ftyp3gp6"); // 3GPP Release 6 basic Profile |
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55 _LIT8(K3gr6Header, "ftyp3gr6"); // 3GPP Rel6 Progressive Download ProfileHeader |
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56 _LIT8(K3gs6Header, "ftyp3gs6"); // 3GPP Release 6 streaming-server Profile |
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57 |
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58 // ============================ MEMBER FUNCTIONS =============================== |
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59 |
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60 // ----------------------------------------------------------------------------- |
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61 // C3GPAudioPlayControllerRecognizer::C3GPAudioPlayControllerRecognizer() |
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62 // Call base constructor with the recognizer's UID and confidence level |
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63 // C++ default constructor can NOT contain any code, that |
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64 // might leave. |
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65 // ----------------------------------------------------------------------------- |
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66 // |
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67 C3GPAudioPlayControllerRecognizer::C3GPAudioPlayControllerRecognizer() |
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68 :CApaDataRecognizerType(KUidMime3gpRecognizer, CApaDataRecognizerType::EHigh) |
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69 { |
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70 // Set the number of data (MIME) types supported by this recognizer. |
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71 iCountDataTypes = 6; |
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72 } |
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73 |
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74 // ----------------------------------------------------------------------------- |
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75 // C3GPAudioPlayControllerRecognizer::ConstructL |
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76 // Symbian 2nd phase constructor can leave. |
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77 // ----------------------------------------------------------------------------- |
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78 // |
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79 void C3GPAudioPlayControllerRecognizer::ConstructL() |
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80 { |
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81 } |
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82 |
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83 // ----------------------------------------------------------------------------- |
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84 // C3GPAudioPlayControllerRecognizer::NewL |
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85 // Two-phased constructor. |
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86 // ----------------------------------------------------------------------------- |
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87 // |
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88 C3GPAudioPlayControllerRecognizer* C3GPAudioPlayControllerRecognizer::NewL() |
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89 { |
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90 C3GPAudioPlayControllerRecognizer* self = new(ELeave) C3GPAudioPlayControllerRecognizer(); |
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91 CleanupStack::PushL(self); |
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92 self->ConstructL(); |
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93 CleanupStack::Pop(self); |
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94 return self; |
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95 } |
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96 |
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97 // Destructor |
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98 C3GPAudioPlayControllerRecognizer::~C3GPAudioPlayControllerRecognizer() |
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99 { |
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100 } |
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101 |
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102 // ----------------------------------------------------------------------------- |
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103 // C3GPAudioPlayControllerRecognizer::SupportedDataTypeL |
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104 // Return the supposed datatype depending on the |
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105 // MimeType of the file |
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106 // ----------------------------------------------------------------------------- |
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107 // |
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108 TDataType C3GPAudioPlayControllerRecognizer::SupportedDataTypeL( |
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109 TInt aIndex) const |
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110 { |
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111 DP1(_L("C3GPAudioPlayControllerRecognizer::SupportedDataTypeL [%d]"), |
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112 aIndex); |
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113 TDataType dataType; |
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114 switch(aIndex) |
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115 { |
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116 case 0: |
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117 dataType = TDataType(K3gpAudioMimeType); |
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118 break; |
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119 case 1: |
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120 dataType = TDataType(K3gpVideoMimeType); |
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121 break; |
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122 case 2: |
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123 dataType = TDataType(KMp4AudioMimeType); |
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124 break; |
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125 case 3: |
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126 dataType = TDataType(KMp4VideoMimeType); |
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127 break; |
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128 case 4: |
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129 dataType = TDataType(K3g2AudioMimeType); |
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130 break; |
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131 case 5: |
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132 dataType = TDataType(K3g2VideoMimeType); |
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133 break; |
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134 default: |
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135 User::Leave(KErrArgument); |
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136 break; |
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137 } |
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138 return dataType; |
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139 } |
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140 |
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141 // ----------------------------------------------------------------------------- |
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142 // C3GPAudioPlayControllerRecognizer::PreferredBufSize() |
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143 // Return the supposed minimum buffer size we need to |
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144 // successfully recognize the data |
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145 // ----------------------------------------------------------------------------- |
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146 // |
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147 TUint C3GPAudioPlayControllerRecognizer::PreferredBufSize() |
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148 { |
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149 return 0; |
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150 } |
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151 |
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152 // ----------------------------------------------------------------------------- |
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153 // C3GPAudioPlayControllerRecognizer::DoRecognizeL |
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154 // Attempt to recognize the data |
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155 // this recognizer only attempts to match the data and/or file suffix |
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156 // |
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157 // NB if the file is not recognized, this function should NOT leave : |
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158 // it should instead set iConfidence = ENotRecognized and return |
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159 // the function should only leave if there is an out-of-memory condition |
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160 // ----------------------------------------------------------------------------- |
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161 // |
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162 void C3GPAudioPlayControllerRecognizer::DoRecognizeL( |
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163 const TDesC& aName, |
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164 const TDesC8& aBuffer) |
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165 { |
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166 DP0(_L("C3GPAudioPlayControllerRecognizer::DoRecognizeL")); |
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167 #ifdef _DEBUG |
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168 RDebug::RawPrint(aName); |
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169 #endif |
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170 DP0(_L(" ")); |
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171 TPtrC8 header; |
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172 TInt headerMatch = 0; |
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173 |
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174 // assume Match will fail : |
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175 iConfidence = CApaDataRecognizerType::ENotRecognized; |
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176 if (aName.Find(KDot) == KErrNotFound) // No extension |
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177 { |
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178 DP0(_L("C3GPAudioPlayControllerRecognizer::DoRecognizeL - Ext not present")); |
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179 |
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180 if (aBuffer.Length() < (KPreHeaderLength+KHeaderLen)) |
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181 { |
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182 return; |
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183 } |
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184 else |
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185 { |
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186 // Check headers for 3gp (allowed to play w/out ext): |
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187 header.Set(aBuffer.Mid(KPreHeaderLength, KHeaderLen)); |
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188 headerMatch = ( (header.FindF(K3gpHeader) == 0) || |
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189 (header.FindF(KMp4Header) == 0) || |
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190 (header.FindF(KMmp4Header) == 0) || |
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191 (header.FindF(KM4aHeader) == 0) || |
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192 (header.FindF(K3g2Header) == 0) || |
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193 (header.FindF(K3gp6Header) == 0) || |
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194 (header.FindF(K3gr6Header) == 0) || |
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195 (header.FindF(K3gs6Header) == 0) ); |
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196 |
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197 DP1(_L("C3GPAudioPlayControllerRecognizer::DoRecognizeL: headerMatch = %d"), headerMatch); |
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198 if (!headerMatch) |
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199 { |
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200 return; |
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201 } |
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202 } |
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203 } |
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204 |
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205 TPtrC ext(aName.Right(KExtLength)); |
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206 DP0(_L("C3GPAudioPlayControllerRecognizer::DoRecognizeL: Extension:")); |
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207 #ifdef _DEBUG |
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208 RDebug::RawPrint(ext); |
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209 #endif |
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210 DP0(_L(" ")); |
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211 |
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212 if ( (ext.CompareF(KDot3gp) == 0) || (ext.CompareF(KDotMp4) == 0) || |
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213 (ext.CompareF(KDotM4a) == 0) || (ext.CompareF(KDot3g2) == 0) || |
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214 (ext.CompareF(KDot3ga) == 0) || headerMatch) |
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215 { |
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216 RFile* fileHandle= NULL; |
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217 TRAPD(handleErr, fileHandle = FilePassedByHandleL()); |
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218 |
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219 if (handleErr != KErrNone) |
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220 { |
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221 DP1(_L("C3GPAudioPlayControllerRecognizer::DoRecognizeL - Can't get FH [%d]"), handleErr); |
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222 return; |
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223 } |
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224 |
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225 MP4Handle mp4Handle; // 3GP library handle |
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226 MP4Err err; |
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227 // Check if file handle exists first. If not, try to open with file name. |
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228 if (fileHandle) |
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229 { |
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230 err = MP4ParseOpenFileHandle(&mp4Handle, fileHandle); |
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231 DP1(_L("C3GPAudioPlayControllerRecognizer::DoRecognizeL FileHandle, err[%d]"), err); |
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232 } |
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233 else |
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234 { // file handle not present |
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235 RBuf buf; |
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236 TUint nameSize = aName.Length() + 1; // Add 1 extra for "zero" termination |
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237 buf.CreateL(nameSize); // Create the RBuf |
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238 buf = aName; // Copy "aName" using the assignment operation |
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239 err = MP4ParseOpen(&mp4Handle, (MP4FileName) buf.PtrZ()); |
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240 buf.Close(); // Close Buf to free the memory |
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241 DP1(_L("C3GPAudioPlayControllerRecognizer::DoRecognizeL FileName, err[%d]"), err); |
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242 if (err != MP4_OK) |
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243 { // cannot find the file by name but the header content or extension was ok |
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244 err = MP4ParseOpen(&mp4Handle, NULL); |
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245 DP1(_L("C3GPAudioPlayControllerRecognizer::DoRecognizeL databuf, err[%d]"), err); |
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246 if (err == MP4_OK) |
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247 { |
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248 TUint8* p = (TUint8*)(aBuffer.Ptr()); |
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249 TInt l = aBuffer.Length(); |
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250 DP2(_L("C3GPAudioPlayControllerRecognizer::DoRecognizeL databuf *p[0x%x] l[%d]"), p[0], l); |
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251 err = MP4ParseWriteData(mp4Handle, p, l); |
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252 DP1(_L("C3GPAudioPlayControllerRecognizer::DoRecognizeL databuf write, err[%d]"), err); |
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253 } |
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254 } |
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255 } |
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256 |
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257 if (err == MP4_OK) |
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258 { |
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259 mp4_u32 videoLength, videoType, videoWidth, videoHeight, timeScale; |
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260 mp4_double frameRate; |
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261 |
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262 err = MP4ParseRequestVideoDescription(mp4Handle, &videoLength, &frameRate, |
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263 &videoType, &videoWidth, &videoHeight, &timeScale); |
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264 if (err == MP4_NO_VIDEO) |
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265 { |
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266 mp4_u32 audioLength, audioType, timeScale, averateBitRate; |
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267 mp4_u8 framesPerSample; |
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268 |
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269 err = MP4ParseRequestAudioDescription(mp4Handle, &audioLength, &audioType, |
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270 &framesPerSample, &timeScale, &averateBitRate); |
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271 |
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272 if (err == MP4_OK) |
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273 { |
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274 if ( (header.FindF(K3gpHeader) == 0) || |
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275 (header.FindF(K3gp6Header) == 0) || |
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276 (header.FindF(K3gr6Header) == 0) || |
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277 (header.FindF(K3gs6Header) == 0) || |
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278 (header.FindF(KMmp4Header) == 0) || |
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279 (ext.CompareF(KDot3gp) == 0) || |
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280 (ext.CompareF(KDot3ga) == 0) ) |
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281 { |
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282 iDataType = TDataType(K3gpAudioMimeType); |
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283 iConfidence = ECertain; |
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284 DP0(_L("C3GPAudioPlayControllerRecognizer::DoRecognizeL [3gp audio]")); |
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285 } |
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286 else if ( (header.FindF(KM4aHeader) == 0) || |
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287 (ext.CompareF(KDotM4a) == 0) || |
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288 (header.FindF(KMp4Header) == 0) || |
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289 (ext.CompareF(KDotMp4) == 0) ) |
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290 { |
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291 iDataType = TDataType(KMp4AudioMimeType); |
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292 iConfidence = ECertain; |
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293 DP0(_L("C3GPAudioPlayControllerRecognizer::DoRecognizeL [Mp4 audio]")); |
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294 } |
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295 else if ( (header.FindF(K3g2Header) == 0) || |
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296 (ext.CompareF(KDot3g2) == 0) ) |
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297 { |
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298 iDataType = TDataType(K3g2AudioMimeType); |
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299 iConfidence = ECertain; |
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300 DP0(_L("C3GPAudioPlayControllerRecognizer::DoRecognizeL [3g2 audio]")); |
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301 } |
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302 } // End if (err == MP4_OK) |
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303 } // End If (err == MP4_NO_VIDEO) i.e. Audio |
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304 else if (err == MP4_OK) |
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305 { |
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306 if ( (header.FindF(K3gpHeader) == 0) || |
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307 (header.FindF(K3gp6Header) == 0) || |
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308 (header.FindF(K3gr6Header) == 0) || |
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309 (header.FindF(K3gs6Header) == 0) || |
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310 (header.FindF(KMmp4Header) == 0) || |
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311 (ext.CompareF(KDot3gp) == 0) ) |
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312 { |
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313 iDataType = TDataType(K3gpVideoMimeType); |
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314 iConfidence = ECertain; |
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315 DP0(_L("C3GPAudioPlayControllerRecognizer::DoRecognizeL [3gp video]")); |
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316 } |
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317 else if ( (header.FindF(KMp4Header) == 0) || |
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318 (ext.CompareF(KDotMp4) == 0) ) |
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319 { |
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320 iDataType = TDataType(KMp4VideoMimeType); |
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321 iConfidence = ECertain; |
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322 DP0(_L("C3GPAudioPlayControllerRecognizer::DoRecognizeL [Mp4 video]")); |
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323 } |
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324 else if ( (header.FindF(K3g2Header) == 0) || |
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325 (ext.CompareF(KDot3g2) == 0) ) |
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326 { |
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327 iDataType = TDataType(K3g2VideoMimeType); |
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328 iConfidence = ECertain; |
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329 DP0(_L("C3GPAudioPlayControllerRecognizer::DoRecognizeL [3g2 video]")); |
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330 } |
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331 }// end of else if (err == MP4_OK) |
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332 }// End FileHandle or FileName Open OK |
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333 if (mp4Handle) |
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334 { |
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335 MP4ParseClose(mp4Handle); |
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336 } |
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337 } // End of Extension Comparision If statement |
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338 } |
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339 |
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340 // ========================== OTHER EXPORTED FUNCTIONS ========================= |
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341 |
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342 // ----------------------------------------------------------------------------- |
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343 // CApaDataRecognizerType* CreateRecognizerL() |
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344 // Used to create an instance of a CApaDataRecognizerType-derived class |
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345 // ----------------------------------------------------------------------------- |
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346 // |
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347 CApaDataRecognizerType* C3GPAudioPlayControllerRecognizer::CreateRecognizerL() |
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348 { |
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349 return new(ELeave) C3GPAudioPlayControllerRecognizer(); |
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350 } |
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351 |
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352 const TImplementationProxy ImplementationTable[] = |
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353 { |
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354 IMPLEMENTATION_PROXY_ENTRY(0x101FAFD6, C3GPAudioPlayControllerRecognizer::CreateRecognizerL) |
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355 }; |
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356 |
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357 EXPORT_C const TImplementationProxy* ImplementationGroupProxy(TInt& aTableCount) |
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358 { |
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359 aTableCount = sizeof(ImplementationTable) / sizeof(TImplementationProxy); |
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360 return ImplementationTable; |
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361 } |
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362 |
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363 // End of file |