author | hgs |
Fri, 14 May 2010 18:19:45 -0500 | |
changeset 20 | b67dd1fc57c5 |
parent 0 | 71ca22bcf22a |
permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 2004 Nokia Corporation and/or its subsidiary(-ies). |
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* All rights reserved. |
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* This component and the accompanying materials are made available |
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* under the terms of "Eclipse Public License v1.0" |
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* which accompanies this distribution, and is available |
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* at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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* |
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* Initial Contributors: |
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* Nokia Corporation - initial contribution. |
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* |
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* Contributors: |
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* |
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* Description: Recognizer for 3GP files. |
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* |
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*/ |
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|
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// INCLUDES |
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#include <f32file.h> |
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#include <barsread.h> |
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#include <mp4lib.h> |
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#include <implementationproxy.h> |
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#include "3GPAudioPlayControllerRecognizer.h" |
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#include "DebugMacros.h" |
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// LOCAL CONSTANTS AND MACROS |
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const TUid KUidMime3gpRecognizer = {0x101FAFAD}; |
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const TInt KExtLength = 4; |
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_LIT(KDot, "."); |
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_LIT(KDot3gp, ".3gp"); |
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_LIT(KDot3ga, ".3ga"); |
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_LIT(KDot3gpp, ".3gpp"); |
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_LIT8(K3gpAudioMimeType, "audio/3gpp"); |
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_LIT8(K3gpVideoMimeType, "video/3gpp"); |
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_LIT(KDotMp4, ".mp4"); |
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_LIT(KDotM4a, ".m4a"); |
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_LIT8(KMp4AudioMimeType, "audio/mp4"); |
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_LIT8(KMp4VideoMimeType, "video/mp4"); |
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_LIT(KDot3g2, ".3g2"); |
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_LIT8(K3g2AudioMimeType, "audio/3gpp2"); |
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_LIT8(K3g2VideoMimeType, "video/3gpp2"); |
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// Needed for looking at headers for 3gp files w/ no extensions |
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const TInt KPreHeaderLength = 4; |
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const TInt KHeaderLen = 8; |
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_LIT8(K3gpHeader ,"ftyp3gp"); |
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_LIT8(KMp4Header ,"ftypmp4"); |
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_LIT8(KMmp4Header ,"ftypmmp4"); |
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_LIT8(KM4aHeader, "ftypM4A"); |
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_LIT8(K3g2Header, "ftyp3g2"); |
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_LIT8(K3gp6Header, "ftyp3gp6"); // 3GPP Release 6 basic Profile |
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_LIT8(K3gr6Header, "ftyp3gr6"); // 3GPP Rel6 Progressive Download ProfileHeader |
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_LIT8(K3gs6Header, "ftyp3gs6"); // 3GPP Release 6 streaming-server Profile |
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// ============================ MEMBER FUNCTIONS =============================== |
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// ----------------------------------------------------------------------------- |
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// C3GPAudioPlayControllerRecognizer::C3GPAudioPlayControllerRecognizer() |
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// Call base constructor with the recognizer's UID and confidence level |
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// C++ default constructor can NOT contain any code, that |
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// might leave. |
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// ----------------------------------------------------------------------------- |
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// |
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C3GPAudioPlayControllerRecognizer::C3GPAudioPlayControllerRecognizer() |
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:CApaDataRecognizerType(KUidMime3gpRecognizer, CApaDataRecognizerType::EHigh) |
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{ |
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// Set the number of data (MIME) types supported by this recognizer. |
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iCountDataTypes = 6; |
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} |
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// ----------------------------------------------------------------------------- |
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// C3GPAudioPlayControllerRecognizer::ConstructL |
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// Symbian 2nd phase constructor can leave. |
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// ----------------------------------------------------------------------------- |
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// |
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void C3GPAudioPlayControllerRecognizer::ConstructL() |
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{ |
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} |
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// ----------------------------------------------------------------------------- |
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// C3GPAudioPlayControllerRecognizer::NewL |
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// Two-phased constructor. |
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// ----------------------------------------------------------------------------- |
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// |
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C3GPAudioPlayControllerRecognizer* C3GPAudioPlayControllerRecognizer::NewL() |
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{ |
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C3GPAudioPlayControllerRecognizer* self = new(ELeave) C3GPAudioPlayControllerRecognizer(); |
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CleanupStack::PushL(self); |
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self->ConstructL(); |
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CleanupStack::Pop(self); |
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return self; |
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} |
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// Destructor |
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C3GPAudioPlayControllerRecognizer::~C3GPAudioPlayControllerRecognizer() |
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{ |
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} |
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103 |
// ----------------------------------------------------------------------------- |
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104 |
// C3GPAudioPlayControllerRecognizer::SupportedDataTypeL |
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|
105 |
// Return the supposed datatype depending on the |
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106 |
// MimeType of the file |
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107 |
// ----------------------------------------------------------------------------- |
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108 |
// |
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|
109 |
TDataType C3GPAudioPlayControllerRecognizer::SupportedDataTypeL( |
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110 |
TInt aIndex) const |
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111 |
{ |
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112 |
DP1(_L("C3GPAudioPlayControllerRecognizer::SupportedDataTypeL [%d]"), |
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113 |
aIndex); |
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114 |
TDataType dataType; |
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115 |
switch(aIndex) |
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116 |
{ |
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117 |
case 0: |
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118 |
dataType = TDataType(K3gpAudioMimeType); |
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119 |
break; |
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120 |
case 1: |
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121 |
dataType = TDataType(K3gpVideoMimeType); |
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122 |
break; |
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123 |
case 2: |
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124 |
dataType = TDataType(KMp4AudioMimeType); |
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125 |
break; |
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126 |
case 3: |
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127 |
dataType = TDataType(KMp4VideoMimeType); |
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128 |
break; |
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129 |
case 4: |
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130 |
dataType = TDataType(K3g2AudioMimeType); |
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131 |
break; |
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132 |
case 5: |
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133 |
dataType = TDataType(K3g2VideoMimeType); |
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134 |
break; |
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135 |
default: |
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136 |
User::Leave(KErrArgument); |
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137 |
break; |
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138 |
} |
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139 |
return dataType; |
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140 |
} |
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141 |
|
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142 |
// ----------------------------------------------------------------------------- |
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143 |
// C3GPAudioPlayControllerRecognizer::PreferredBufSize() |
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144 |
// Return the supposed minimum buffer size we need to |
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145 |
// successfully recognize the data |
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146 |
// ----------------------------------------------------------------------------- |
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147 |
// |
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148 |
TUint C3GPAudioPlayControllerRecognizer::PreferredBufSize() |
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149 |
{ |
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150 |
return 0; |
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151 |
} |
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152 |
|
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153 |
// ----------------------------------------------------------------------------- |
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154 |
// C3GPAudioPlayControllerRecognizer::DoRecognizeL |
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155 |
// Attempt to recognize the data |
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156 |
// this recognizer only attempts to match the data and/or file suffix |
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157 |
// |
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158 |
// NB if the file is not recognized, this function should NOT leave : |
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|
159 |
// it should instead set iConfidence = ENotRecognized and return |
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|
160 |
// the function should only leave if there is an out-of-memory condition |
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161 |
// ----------------------------------------------------------------------------- |
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162 |
// |
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|
163 |
void C3GPAudioPlayControllerRecognizer::DoRecognizeL( |
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164 |
const TDesC& aName, |
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165 |
const TDesC8& aBuffer) |
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166 |
{ |
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|
167 |
DP0(_L("C3GPAudioPlayControllerRecognizer::DoRecognizeL")); |
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|
168 |
#ifdef _DEBUG |
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|
169 |
RDebug::RawPrint(aName); |
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|
170 |
#endif |
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|
171 |
DP0(_L(" ")); |
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|
172 |
TPtrC8 header; |
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|
173 |
TInt headerMatch = 0; |
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|
174 |
|
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|
175 |
// assume Match will fail : |
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|
176 |
iConfidence = CApaDataRecognizerType::ENotRecognized; |
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|
177 |
if (aName.Find(KDot) == KErrNotFound) // No extension |
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|
178 |
{ |
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|
179 |
DP0(_L("C3GPAudioPlayControllerRecognizer::DoRecognizeL - Ext not present")); |
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|
180 |
|
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|
181 |
if (aBuffer.Length() < (KPreHeaderLength+KHeaderLen)) |
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|
182 |
{ |
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|
183 |
return; |
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|
184 |
} |
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|
185 |
else |
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|
186 |
{ |
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|
187 |
// Check headers for 3gp (allowed to play w/out ext): |
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|
188 |
header.Set(aBuffer.Mid(KPreHeaderLength, KHeaderLen)); |
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|
189 |
headerMatch = ( (header.FindF(K3gpHeader) == 0) || |
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|
190 |
(header.FindF(KMp4Header) == 0) || |
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|
191 |
(header.FindF(KMmp4Header) == 0) || |
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diff
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|
192 |
(header.FindF(KM4aHeader) == 0) || |
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diff
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|
193 |
(header.FindF(K3g2Header) == 0) || |
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parents:
diff
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|
194 |
(header.FindF(K3gp6Header) == 0) || |
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|
195 |
(header.FindF(K3gr6Header) == 0) || |
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|
196 |
(header.FindF(K3gs6Header) == 0) ); |
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|
197 |
|
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|
198 |
DP1(_L("C3GPAudioPlayControllerRecognizer::DoRecognizeL: headerMatch = %d"), headerMatch); |
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|
199 |
if (!headerMatch) |
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|
200 |
{ |
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|
201 |
return; |
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Revision: 201003
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diff
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|
202 |
} |
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|
203 |
} |
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|
204 |
} |
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|
205 |
|
20 | 206 |
// TPtrC ext(aName.Right(KExtLength)); |
207 |
TInt num=aName.LocateReverse('.'); |
|
208 |
if(num < 0) |
|
209 |
{ |
|
210 |
num = 0; |
|
211 |
} |
|
212 |
TPtrC ext(aName.Right(aName.Length()-num)); |
|
213 |
||
0
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|
214 |
DP0(_L("C3GPAudioPlayControllerRecognizer::DoRecognizeL: Extension:")); |
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215 |
#ifdef _DEBUG |
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RDebug::RawPrint(ext); |
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|
217 |
#endif |
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|
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DP0(_L(" ")); |
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|
219 |
|
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220 |
if ( (ext.CompareF(KDot3gp) == 0) || (ext.CompareF(KDotMp4) == 0) || |
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|
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(ext.CompareF(KDotM4a) == 0) || (ext.CompareF(KDot3g2) == 0) || |
20 | 222 |
(ext.CompareF(KDot3ga) == 0) || (ext.CompareF(KDot3gpp) == 0) || headerMatch) |
0
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223 |
{ |
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|
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RFile* fileHandle= NULL; |
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|
225 |
TRAPD(handleErr, fileHandle = FilePassedByHandleL()); |
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|
226 |
|
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if (handleErr != KErrNone) |
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228 |
{ |
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|
229 |
DP1(_L("C3GPAudioPlayControllerRecognizer::DoRecognizeL - Can't get FH [%d]"), handleErr); |
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return; |
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231 |
} |
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|
232 |
|
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|
233 |
MP4Handle mp4Handle; // 3GP library handle |
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234 |
MP4Err err; |
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// Check if file handle exists first. If not, try to open with file name. |
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|
236 |
if (fileHandle) |
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237 |
{ |
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err = MP4ParseOpenFileHandle(&mp4Handle, fileHandle); |
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|
239 |
DP1(_L("C3GPAudioPlayControllerRecognizer::DoRecognizeL FileHandle, err[%d]"), err); |
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240 |
} |
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241 |
else |
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|
242 |
{ // file handle not present |
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|
243 |
RBuf buf; |
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|
244 |
TUint nameSize = aName.Length() + 1; // Add 1 extra for "zero" termination |
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|
245 |
buf.CreateL(nameSize); // Create the RBuf |
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|
246 |
buf = aName; // Copy "aName" using the assignment operation |
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Revision: 201003
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parents:
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|
247 |
err = MP4ParseOpen(&mp4Handle, (MP4FileName) buf.PtrZ()); |
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|
248 |
buf.Close(); // Close Buf to free the memory |
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Revision: 201003
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|
249 |
DP1(_L("C3GPAudioPlayControllerRecognizer::DoRecognizeL FileName, err[%d]"), err); |
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parents:
diff
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|
250 |
if (err != MP4_OK) |
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parents:
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|
251 |
{ // cannot find the file by name but the header content or extension was ok |
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|
252 |
err = MP4ParseOpen(&mp4Handle, NULL); |
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Revision: 201003
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diff
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|
253 |
DP1(_L("C3GPAudioPlayControllerRecognizer::DoRecognizeL databuf, err[%d]"), err); |
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|
254 |
if (err == MP4_OK) |
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Revision: 201003
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parents:
diff
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|
255 |
{ |
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Revision: 201003
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parents:
diff
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|
256 |
TUint8* p = (TUint8*)(aBuffer.Ptr()); |
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Revision: 201003
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|
257 |
TInt l = aBuffer.Length(); |
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Revision: 201003
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|
258 |
DP2(_L("C3GPAudioPlayControllerRecognizer::DoRecognizeL databuf *p[0x%x] l[%d]"), p[0], l); |
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Revision: 201003
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diff
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|
259 |
err = MP4ParseWriteData(mp4Handle, p, l); |
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Revision: 201003
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diff
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|
260 |
DP1(_L("C3GPAudioPlayControllerRecognizer::DoRecognizeL databuf write, err[%d]"), err); |
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Revision: 201003
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|
261 |
} |
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|
262 |
} |
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diff
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|
263 |
} |
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Revision: 201003
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parents:
diff
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|
264 |
|
71ca22bcf22a
Revision: 201003
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parents:
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|
265 |
if (err == MP4_OK) |
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Revision: 201003
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diff
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|
266 |
{ |
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Revision: 201003
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|
267 |
mp4_u32 videoLength, videoType, videoWidth, videoHeight, timeScale; |
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Revision: 201003
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|
268 |
mp4_double frameRate; |
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Revision: 201003
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diff
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|
269 |
|
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Revision: 201003
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|
270 |
err = MP4ParseRequestVideoDescription(mp4Handle, &videoLength, &frameRate, |
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|
271 |
&videoType, &videoWidth, &videoHeight, &timeScale); |
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|
272 |
if (err == MP4_NO_VIDEO) |
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|
273 |
{ |
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Revision: 201003
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diff
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|
274 |
mp4_u32 audioLength, audioType, timeScale, averateBitRate; |
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Revision: 201003
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parents:
diff
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|
275 |
mp4_u8 framesPerSample; |
71ca22bcf22a
Revision: 201003
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parents:
diff
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|
276 |
|
71ca22bcf22a
Revision: 201003
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parents:
diff
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|
277 |
err = MP4ParseRequestAudioDescription(mp4Handle, &audioLength, &audioType, |
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Revision: 201003
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parents:
diff
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|
278 |
&framesPerSample, &timeScale, &averateBitRate); |
71ca22bcf22a
Revision: 201003
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parents:
diff
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|
279 |
|
71ca22bcf22a
Revision: 201003
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|
280 |
if (err == MP4_OK) |
71ca22bcf22a
Revision: 201003
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parents:
diff
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|
281 |
{ |
71ca22bcf22a
Revision: 201003
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parents:
diff
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|
282 |
if ( (header.FindF(K3gpHeader) == 0) || |
71ca22bcf22a
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
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|
283 |
(header.FindF(K3gp6Header) == 0) || |
71ca22bcf22a
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
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|
284 |
(header.FindF(K3gr6Header) == 0) || |
71ca22bcf22a
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
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|
285 |
(header.FindF(K3gs6Header) == 0) || |
71ca22bcf22a
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
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|
286 |
(header.FindF(KMmp4Header) == 0) || |
71ca22bcf22a
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
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|
287 |
(ext.CompareF(KDot3gp) == 0) || |
20 | 288 |
(ext.CompareF(KDot3ga) == 0)||(ext.CompareF(KDot3gpp) == 0) ) |
0
71ca22bcf22a
Revision: 201003
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parents:
diff
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|
289 |
{ |
71ca22bcf22a
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
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|
290 |
iDataType = TDataType(K3gpAudioMimeType); |
71ca22bcf22a
Revision: 201003
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parents:
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|
291 |
iConfidence = ECertain; |
71ca22bcf22a
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
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|
292 |
DP0(_L("C3GPAudioPlayControllerRecognizer::DoRecognizeL [3gp audio]")); |
71ca22bcf22a
Revision: 201003
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parents:
diff
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|
293 |
} |
71ca22bcf22a
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
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|
294 |
else if ( (header.FindF(KM4aHeader) == 0) || |
71ca22bcf22a
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
295 |
(ext.CompareF(KDotM4a) == 0) || |
71ca22bcf22a
Revision: 201003
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parents:
diff
changeset
|
296 |
(header.FindF(KMp4Header) == 0) || |
71ca22bcf22a
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
297 |
(ext.CompareF(KDotMp4) == 0) ) |
71ca22bcf22a
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
298 |
{ |
71ca22bcf22a
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
299 |
iDataType = TDataType(KMp4AudioMimeType); |
71ca22bcf22a
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
300 |
iConfidence = ECertain; |
71ca22bcf22a
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
301 |
DP0(_L("C3GPAudioPlayControllerRecognizer::DoRecognizeL [Mp4 audio]")); |
71ca22bcf22a
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
302 |
} |
71ca22bcf22a
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
303 |
else if ( (header.FindF(K3g2Header) == 0) || |
71ca22bcf22a
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
304 |
(ext.CompareF(KDot3g2) == 0) ) |
71ca22bcf22a
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
305 |
{ |
71ca22bcf22a
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
306 |
iDataType = TDataType(K3g2AudioMimeType); |
71ca22bcf22a
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
307 |
iConfidence = ECertain; |
71ca22bcf22a
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
308 |
DP0(_L("C3GPAudioPlayControllerRecognizer::DoRecognizeL [3g2 audio]")); |
71ca22bcf22a
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
309 |
} |
71ca22bcf22a
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
310 |
} // End if (err == MP4_OK) |
71ca22bcf22a
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
311 |
} // End If (err == MP4_NO_VIDEO) i.e. Audio |
71ca22bcf22a
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
312 |
else if (err == MP4_OK) |
71ca22bcf22a
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
313 |
{ |
71ca22bcf22a
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
314 |
if ( (header.FindF(K3gpHeader) == 0) || |
71ca22bcf22a
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
315 |
(header.FindF(K3gp6Header) == 0) || |
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(header.FindF(K3gr6Header) == 0) || |
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(header.FindF(K3gs6Header) == 0) || |
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(header.FindF(KMmp4Header) == 0) || |
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(ext.CompareF(KDot3gp) == 0) || (ext.CompareF(KDot3gpp) == 0)) |
0
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{ |
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iDataType = TDataType(K3gpVideoMimeType); |
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iConfidence = ECertain; |
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DP0(_L("C3GPAudioPlayControllerRecognizer::DoRecognizeL [3gp video]")); |
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} |
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else if ( (header.FindF(KMp4Header) == 0) || |
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(ext.CompareF(KDotMp4) == 0) ) |
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{ |
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iDataType = TDataType(KMp4VideoMimeType); |
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iConfidence = ECertain; |
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DP0(_L("C3GPAudioPlayControllerRecognizer::DoRecognizeL [Mp4 video]")); |
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} |
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else if ( (header.FindF(K3g2Header) == 0) || |
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(ext.CompareF(KDot3g2) == 0) ) |
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{ |
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iDataType = TDataType(K3g2VideoMimeType); |
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iConfidence = ECertain; |
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DP0(_L("C3GPAudioPlayControllerRecognizer::DoRecognizeL [3g2 video]")); |
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} |
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}// end of else if (err == MP4_OK) |
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}// End FileHandle or FileName Open OK |
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if (mp4Handle) |
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{ |
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MP4ParseClose(mp4Handle); |
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} |
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} // End of Extension Comparision If statement |
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} |
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|
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// ========================== OTHER EXPORTED FUNCTIONS ========================= |
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|
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// ----------------------------------------------------------------------------- |
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// CApaDataRecognizerType* CreateRecognizerL() |
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// Used to create an instance of a CApaDataRecognizerType-derived class |
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// ----------------------------------------------------------------------------- |
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// |
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CApaDataRecognizerType* C3GPAudioPlayControllerRecognizer::CreateRecognizerL() |
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{ |
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return new(ELeave) C3GPAudioPlayControllerRecognizer(); |
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} |
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|
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const TImplementationProxy ImplementationTable[] = |
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{ |
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IMPLEMENTATION_PROXY_ENTRY(0x101FAFD6, C3GPAudioPlayControllerRecognizer::CreateRecognizerL) |
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}; |
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|
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EXPORT_C const TImplementationProxy* ImplementationGroupProxy(TInt& aTableCount) |
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{ |
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aTableCount = sizeof(ImplementationTable) / sizeof(TImplementationProxy); |
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return ImplementationTable; |
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} |
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370 |
|
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// End of file |