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1 /* |
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2 * Copyright (c) 2010 Ixonos Plc. |
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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 "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 * Ixonos Plc |
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14 * |
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15 * Description: |
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16 * |
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17 */ |
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18 |
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19 |
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20 |
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21 // INCLUDE FILES |
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22 |
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23 #include "movieprocessorimpl.h" |
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24 #include "mp4parser.h" |
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25 #include "vedvideosettings.h" |
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26 #include "vedaudiosettings.h" |
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27 #include "vedvolreader.h" |
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28 #include "vedavcedit.h" |
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29 |
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30 // ASSERTIONS |
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31 #define MPASSERT(x) __ASSERT_DEBUG(x, User::Panic(_L("CMovieProcessorImpl"), EInternalAssertionFailure)) |
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32 |
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33 #ifdef _DEBUG |
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34 #include <e32svr.h> |
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35 #define PRINT(x) RDebug::Print x; |
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36 #else |
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37 #define PRINT(x) |
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38 #endif |
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39 |
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40 // LOCAL CONSTANTS AND MACROS |
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41 #ifdef _DEBUG |
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42 const TInt KErrorCode = CParser::EParserFailure; |
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43 #else |
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44 const TInt KErrorCode = KErrGeneral; |
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45 #endif |
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46 |
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47 //const TUint KNumFramesInOneRun = 10; |
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48 const TUint KVOLHeaderBufferSize = 256; |
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49 const TUint KAVCDCRBufferSize = 1024; |
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50 const TUint KMinBitrate = 128; |
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51 |
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52 // ================= MEMBER FUNCTIONS ======================= |
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53 |
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54 // C++ default constructor can NOT contain any code, that |
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55 // might leave. |
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56 // |
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57 |
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58 CMP4Parser::CMP4Parser() |
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59 { |
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60 iMP4Handle = 0; |
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61 iVideoType = 0; |
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62 iAudioType = 0; |
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63 iBytesRead = 0; |
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64 iFirstRead = ETrue; // added for Mp4 |
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65 iFirstFrameInfo = ETrue; // added for Mp4 |
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66 iOutputNumberOfFrames = 0; |
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67 iStreamSource = ESourceNone; |
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68 iFrameNumber=0; |
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69 iFirstTimeClipParsing=ETrue; |
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70 iStartFrameIndex=0; |
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71 } |
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72 |
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73 // Two-phased constructor. |
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74 |
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75 CMP4Parser* CMP4Parser::NewL(CMovieProcessorImpl* aProcessor, const TDesC &aFileName) |
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76 { |
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77 CMP4Parser *self = new (ELeave) CMP4Parser; |
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78 CleanupStack::PushL(self); |
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79 |
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80 if ( aFileName.Length() > 0 ) |
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81 self->iStreamSource = ESourceFile; |
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82 else |
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83 self->iStreamSource = ESourceUser; |
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84 |
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85 self->ConstructL(aProcessor,aFileName); |
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86 |
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87 CleanupStack::Pop(); // self |
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88 |
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89 return self; |
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90 } |
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91 |
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92 CMP4Parser* CMP4Parser::NewL(CMovieProcessorImpl* aProcessor, RFile* aFileHandle) |
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93 { |
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94 CMP4Parser *self = new (ELeave) CMP4Parser; |
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95 CleanupStack::PushL(self); |
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96 |
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97 self->iStreamSource = ESourceFile; |
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98 |
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99 self->ConstructL(aProcessor,aFileHandle); |
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100 |
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101 CleanupStack::Pop(); // self |
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102 |
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103 return self; |
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104 } |
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105 |
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106 // Symbian OS default constructor can leave. |
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107 |
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108 void CMP4Parser::ConstructL(CMovieProcessorImpl* aProcessor, const TDesC &aFileName) |
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109 { |
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110 MP4Err error; |
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111 iProcessor = aProcessor; |
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112 |
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113 // open MP4 library |
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114 if ( iStreamSource == ESourceFile ) |
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115 { |
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116 TBuf<258> temp(aFileName); |
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117 temp.ZeroTerminate(); |
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118 |
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119 MP4FileName name = reinterpret_cast<MP4FileName>( const_cast<TUint16*>(temp.Ptr()) ); |
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120 |
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121 error = MP4ParseOpen(&iMP4Handle, name); |
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122 if ( error == MP4_OK ) |
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123 { |
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124 // set buffer sizes; only parser buffer size is effective for this instance |
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125 error = MP4SetCustomFileBufferSizes(iMP4Handle, K3gpMp4ComposerWriteBufferSize, K3gpMp4ComposerNrOfWriteBuffers, K3gpMp4ParserReadBufferSize ); |
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126 } |
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127 } |
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128 else |
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129 { |
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130 // buffer |
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131 error = MP4ParseOpen(&iMP4Handle, 0); |
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132 } |
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133 |
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134 if (error == MP4_OUT_OF_MEMORY) |
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135 { |
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136 User::Leave(KErrNoMemory); |
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137 } |
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138 else if ( error != MP4_OK ) |
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139 { |
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140 User::Leave(KErrorCode); |
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141 } |
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142 } |
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143 |
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144 void CMP4Parser::ConstructL(CMovieProcessorImpl* aProcessor, RFile* aFileHandle) |
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145 { |
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146 MP4Err error; |
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147 iProcessor = aProcessor; |
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148 |
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149 // open MP4 library |
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150 error = MP4ParseOpenFileHandle(&iMP4Handle, aFileHandle); |
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151 |
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152 if ( error == MP4_OK ) |
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153 { |
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154 // set buffer sizes; only parser buffer size is effective for this instance |
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155 error = MP4SetCustomFileBufferSizes(iMP4Handle, K3gpMp4ComposerWriteBufferSize, K3gpMp4ComposerNrOfWriteBuffers, K3gpMp4ParserReadBufferSize ); |
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156 } |
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157 |
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158 if (error == MP4_OUT_OF_MEMORY) |
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159 { |
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160 User::Leave(KErrNoMemory); |
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161 } |
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162 else if ( error != MP4_OK ) |
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163 { |
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164 User::Leave(KErrorCode); |
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165 } |
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166 } |
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167 |
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168 // Destructor |
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169 CMP4Parser::~CMP4Parser() |
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170 { |
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171 if (iMP4Handle) |
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172 MP4ParseClose(iMP4Handle); |
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173 |
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174 iMP4Handle = 0; |
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175 } |
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176 |
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177 |
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178 |
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179 // --------------------------------------------------------- |
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180 // CMP4Parser::WriteDataBlockL |
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181 // Write a block of data to parser |
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182 // (other items were commented in a header). |
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183 // --------------------------------------------------------- |
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184 // |
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185 |
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186 TInt CMP4Parser::WriteDataBlock(const TDes8& aBlock) |
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187 { |
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188 |
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189 MPASSERT(iStreamSource != ESourceFile); |
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190 MP4Err error = MP4ParseWriteData(iMP4Handle, (mp4_u8*)(aBlock.Ptr()), mp4_u32(aBlock.Length()) ); |
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191 |
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192 if ( error == MP4_OUT_OF_MEMORY ) |
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193 return KErrNoMemory; |
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194 else if ( error == MP4_ERROR ) |
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195 return KErrorCode; |
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196 else |
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197 return KErrNone; |
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198 |
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199 } |
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200 |
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201 // --------------------------------------------------------- |
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202 // CMP4Parser::GetNextFrameInformation |
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203 // Get type (streaming-case), length and availability of next frame to be fetched |
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204 // using MP4 library API functions |
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205 // (other items were commented in a header). |
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206 // --------------------------------------------------------- |
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207 // |
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208 |
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209 TInt CMP4Parser::GetNextFrameInformation(TFrameType& aType, TUint& aLength, TBool& aIsAvailable) |
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210 { |
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211 |
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212 // If aType == EFrameTypeNone, the type of next frame is retrieved |
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213 // (valid only in streaming case) |
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214 // Otherwise, only the length of next specified type of frame is retrieved |
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215 MPASSERT(iStreamSource != ESourceNone); |
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216 |
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217 mp4_u32 type = MP4_TYPE_NONE; |
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218 MP4Err error; |
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219 |
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220 aIsAvailable = 0; |
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221 if ( iNextFrameType == EFrameTypeNone ) |
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222 // if the mp4 library is reading a file, a frame has always been read when |
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223 // we come here |
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224 // otherwise it might be that a complete frame was not available yet |
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225 // and we come here to ask again |
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226 { |
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227 if ( aType == EFrameTypeNone ) |
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228 { |
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229 MPASSERT(iStreamSource == ESourceUser); |
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230 |
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231 // get next frame type |
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232 error = MP4ParseNextFrameType(iMP4Handle, &type); |
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233 |
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234 if ( error == MP4_NOT_AVAILABLE ) |
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235 return KErrNone; |
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236 else if ( error == MP4_NO_FRAME ) |
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237 return EParserEndOfStream; // no video or audio frames left, stream ended |
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238 else if ( error == MP4_INVALID_INPUT_STREAM ) |
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239 return KErrCorrupt; |
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240 else if ( error != MP4_OK ) |
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241 return KErrorCode; |
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242 else |
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243 { |
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244 MPASSERT(error == MP4_OK); |
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245 } |
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246 |
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247 switch ( type ) |
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248 { |
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249 case MP4_TYPE_H263_PROFILE_0: |
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250 case MP4_TYPE_MPEG4_VIDEO: |
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251 |
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252 MPASSERT( type == iVideoType ); |
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253 iNextFrameType = EFrameTypeVideo; |
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254 break; |
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255 |
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256 case MP4_TYPE_AMR_NB: |
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257 MPASSERT( type == iAudioType ); |
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258 iNextFrameType = EFrameTypeAudio; |
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259 break; |
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260 |
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261 default: |
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262 return KErrNotSupported; |
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263 } |
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264 } |
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265 else |
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266 { |
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267 // library reads the file |
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268 //MPASSERT(iStreamSource == ESourceFile); |
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269 type = ( aType == EFrameTypeVideo ) ? iVideoType : iAudioType; |
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270 iNextFrameType = aType; |
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271 } |
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272 |
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273 // get length for the frame |
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274 mp4_u32 length = 0, mp4Specific = 0; |
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275 MPASSERT( type != MP4_TYPE_NONE ); |
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276 if ( (iFirstFrameInfo) && |
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277 ((iVideoType == MP4_TYPE_MPEG4_VIDEO) || (iVideoType == MP4_TYPE_AVC_PROFILE_BASELINE)) ) |
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278 { |
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279 error = MP4ParseReadVideoDecoderSpecificInfo( iMP4Handle, 0, 0, &mp4Specific ); |
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280 iFirstFrameInfo = EFalse; |
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281 } |
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282 error = MP4ParseNextFrameSize(iMP4Handle, type, &length); |
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283 MPASSERT( error != MP4_NOT_AVAILABLE ); |
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284 |
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285 if ( length == 0 || error == MP4_NO_REQUESTED_FRAME ) |
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286 { |
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287 // file-reading case: all frames of this type have been read |
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288 // and the caller should try with the other type |
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289 MPASSERT( length == 0 ); |
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290 iNextFrameType = EFrameTypeNone; |
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291 aLength = 0; |
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292 return KErrNone; |
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293 } |
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294 else if ( error == MP4_INVALID_INPUT_STREAM ) |
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295 return KErrCorrupt; |
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296 else if ( error != MP4_OK ) |
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297 return KErrorCode; |
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298 else if ( length > iMaxVideoFrameLength ) |
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299 { |
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300 PRINT((_L("CMP4Parser::GetNextFrameInformation() too large video frame size %d, return KErrCorrupt"),length)); |
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301 return KErrCorrupt; |
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302 } |
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303 else |
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304 iNextFrameLength = TUint(length + mp4Specific); |
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305 |
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306 } |
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307 MPASSERT(iNextFrameType != EFrameTypeNone); |
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308 MPASSERT(iNextFrameLength != 0); |
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309 |
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310 // check if frame is available |
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311 if ( iStreamSource == ESourceUser ) |
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312 { |
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313 error = MP4ParseIsFrameAvailable(iMP4Handle, type); |
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314 if ( error != MP4_OK && error != MP4_NOT_AVAILABLE ) |
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315 return KErrorCode; |
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316 aIsAvailable = ( error == MP4_NOT_AVAILABLE ) ? EFalse : ETrue; |
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317 } |
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318 else |
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319 aIsAvailable = ETrue; |
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320 |
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321 aType = iNextFrameType; |
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322 aLength = iNextFrameLength; |
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323 |
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324 return KErrNone; |
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325 } |
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326 |
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327 // --------------------------------------------------------- |
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328 // CMP4Parser::ReadFrames |
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329 // Read the next frame(s) from file / stream |
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330 // (other items were commented in a header). |
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331 // --------------------------------------------------------- |
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332 // |
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333 |
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334 TInt CMP4Parser::ReadFrames(TDes8& aDstBuffer, TFrameType aType, TUint32& aNumRead, |
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335 TUint32& aTimeStamp) |
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336 { |
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337 MP4Err error; |
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338 mp4_u32 returnedSize = 0; |
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339 mp4_bool keyFrame = 0; |
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340 |
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341 MPASSERT( iNextFrameType != EFrameTypeNone && aType == iNextFrameType ); |
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342 MPASSERT( iNextFrameLength != 0 ); |
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343 |
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344 #ifdef _DEBUG |
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345 mp4_u32 type = MP4_TYPE_NONE; // buffer support |
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346 type = ( aType == EFrameTypeVideo ) ? iVideoType : iAudioType; // buffer support |
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347 if (iStreamSource == ESourceUser) |
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348 MPASSERT( MP4ParseIsFrameAvailable(iMP4Handle, type) == MP4_OK ); |
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349 #endif |
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350 |
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351 |
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352 if (aType == EFrameTypeVideo) |
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353 { |
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354 TUint32 iTimeStampInTicks=0; |
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355 mp4_u32 mp4Specific = 0; |
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356 |
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357 if ( (iFirstRead) && |
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358 ((iVideoType == MP4_TYPE_MPEG4_VIDEO) || (iVideoType == MP4_TYPE_AVC_PROFILE_BASELINE)) ) |
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359 { |
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360 error = MP4ParseReadVideoDecoderSpecificInfo( iMP4Handle, (mp4_u8*)(aDstBuffer.Ptr() + aDstBuffer.Length()), |
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361 mp4_u32( aDstBuffer.MaxLength() ), &mp4Specific ); |
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362 iFirstRead = EFalse; |
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363 } |
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364 |
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365 error = MP4ParseReadVideoFrame(iMP4Handle, (mp4_u8*)(aDstBuffer.Ptr() + aDstBuffer.Length()+ mp4Specific), |
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366 mp4_u32( aDstBuffer.MaxLength() ), &returnedSize, (mp4_u32*)&aTimeStamp, |
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367 &keyFrame, &iTimeStampInTicks); |
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368 |
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369 returnedSize += mp4Specific; |
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370 iFrameNumber++; |
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371 aNumRead = 1; |
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372 } |
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373 else |
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374 { |
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375 error = MP4ParseReadAudioFrames(iMP4Handle, (mp4_u8*)(aDstBuffer.Ptr()), |
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376 mp4_u32(aDstBuffer.MaxLength()), &returnedSize, (mp4_u32*)&aTimeStamp, |
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377 (mp4_u32*)&aNumRead, NULL); |
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378 |
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379 //PRINT((_L("audio TS:%d, "), aTimeStamp)); |
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380 } |
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381 |
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382 MPASSERT(error != MP4_BUFFER_TOO_SMALL); |
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383 aDstBuffer.SetLength(aDstBuffer.Length() + TInt(returnedSize)); |
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384 iBytesRead += returnedSize; |
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385 iNextFrameType = EFrameTypeNone; |
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386 iNextFrameLength = 0; |
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387 |
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388 //PRINT((_L("error=%d, numReturned=%d, returnedSize=%d, bufferSize=%d\n"), |
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389 // error, aNumRead, returnedSize, aDstBuffer.MaxLength())); |
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390 |
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391 if (error == MP4_NOT_AVAILABLE) |
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392 return EParserNotEnoughData; |
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393 else if ( error == MP4_INVALID_INPUT_STREAM ) |
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394 return KErrCorrupt; |
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395 else if ( error != MP4_OK ) |
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396 return KErrorCode; |
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397 else |
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398 return KErrNone; |
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399 } |
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400 |
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401 |
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402 // --------------------------------------------------------- |
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403 // CMP4Parser::Reset |
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404 // Resets the parser to its initial state |
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405 // (other items were commented in a header). |
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406 // --------------------------------------------------------- |
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407 // |
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408 |
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409 TInt CMP4Parser::Reset() |
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410 { |
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411 MP4Err error; |
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412 |
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413 if ( iStreamSource == ESourceFile ) |
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414 { |
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415 mp4_u32 audioPos, videoPos; |
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416 |
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417 // seek to very beginning |
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418 error = MP4ParseSeek(iMP4Handle, 0, &audioPos, &videoPos, EFalse); |
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419 if ( error != MP4_OK ) |
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420 return KErrorCode; |
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421 |
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422 MPASSERT( videoPos == 0 && (iAudioType == 0 || audioPos == 0) ); |
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423 |
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424 } |
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425 else |
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426 { |
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427 // close & open library to make sure old data is flushed |
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428 error = MP4ParseClose(iMP4Handle); |
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429 |
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430 if ( error != MP4_OK ) |
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431 return KErrorCode; |
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432 error = MP4ParseOpen(&iMP4Handle, 0); |
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433 if ( error != MP4_OK ) |
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434 return KErrorCode; |
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435 } |
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436 |
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437 iBytesRead = 0; |
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438 iNextFrameType = EFrameTypeNone; |
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439 iNextFrameLength = 0; |
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440 |
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441 return KErrNone; |
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442 } |
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443 |
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444 |
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445 // --------------------------------------------------------- |
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446 // CMP4Parser::ParseHeaderL |
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447 // Get relevant stream parameters by calling mp4 library functions |
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448 // (other items were commented in a header). |
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449 // --------------------------------------------------------- |
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450 // |
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451 |
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452 TInt CMP4Parser::ParseHeaderL(CParser::TStreamParameters& aStreamParameters) |
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453 { |
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454 |
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455 PRINT((_L("CMP4Parser::ParseHeaderL() begin"))); |
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456 |
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457 MP4Err error; |
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458 mp4_double frameRate = 0; |
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459 TBool hasVideo = ETrue; |
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460 |
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461 // Reset channel info |
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462 aStreamParameters.iHaveVideo = EFalse; |
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463 aStreamParameters.iHaveAudio = EFalse; |
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464 aStreamParameters.iNumDemuxChannels = 0; |
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465 aStreamParameters.iFileFormat = EFileFormatUnrecognized; |
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466 aStreamParameters.iVideoFormat = EVideoFormatNone; |
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467 aStreamParameters.iAudioFormat = EAudioFormatNone; |
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468 aStreamParameters.iVideoLength = 0; |
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469 aStreamParameters.iAudioLength = 0; |
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470 aStreamParameters.iStreamLength = 0; |
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471 aStreamParameters.iAudioFramesInSample = 0; |
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472 aStreamParameters.iVideoPicturePeriodNsec = 0; |
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473 aStreamParameters.iCanSeek = EFalse; |
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474 aStreamParameters.iFrameRate=0; |
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475 aStreamParameters.iVideoTimeScale=0; |
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476 aStreamParameters.iAudioTimeScale=0; |
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477 iAudioType = 0; |
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478 iVideoType = 0; |
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479 iNumberOfFrames=0; |
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480 |
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481 // get video description |
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482 error = MP4ParseRequestVideoDescription(iMP4Handle, (mp4_u32 *)&aStreamParameters.iVideoLength, |
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483 &frameRate, &iVideoType, (mp4_u32 *)&aStreamParameters.iVideoWidth, |
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484 (mp4_u32 *)&aStreamParameters.iVideoHeight, (mp4_u32 *)&aStreamParameters.iVideoTimeScale); |
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485 |
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486 if ( error == MP4_NOT_AVAILABLE ) |
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487 User::Leave(KErrorCode); |
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488 else if ( error == MP4_INVALID_INPUT_STREAM ) |
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489 User::Leave(KErrCorrupt); |
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490 else if ( error == MP4_NO_VIDEO ) |
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491 { |
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492 hasVideo = EFalse; |
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493 aStreamParameters.iVideoWidth = aStreamParameters.iVideoHeight = 0; |
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494 } |
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495 else if ( error != MP4_OK ) |
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496 User::Leave(KErrorCode); |
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497 else |
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498 { |
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499 MPASSERT(error == MP4_OK); |
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500 } |
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501 |
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502 // get audio description. ask also for averagebitrate to get error if the track is empty; the information is needed later on |
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503 mp4_u32 averagebitrate = 0; |
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504 |
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505 error = MP4ParseRequestAudioDescription(iMP4Handle, (mp4_u32 *)&aStreamParameters.iAudioLength, |
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506 &iAudioType, (mp4_u8*)&aStreamParameters.iAudioFramesInSample, (mp4_u32 *)&aStreamParameters.iAudioTimeScale, &averagebitrate ); |
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507 |
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508 if ( (error == MP4_ERROR) && ((iAudioType == MP4_TYPE_MPEG4_AUDIO) || (iAudioType == MP4_TYPE_AMR_NB) || (iAudioType == MP4_TYPE_AMR_WB))) |
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509 { |
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510 // a special case: there may be audio track but it is empty; if type was recognized, mark as no audio |
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511 PRINT((_L("CMP4Parser::ParseHeaderL() problems with getting audio description, mark no audio since audio type was recognized"))); |
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512 iAudioType = MP4_NO_AUDIO; |
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513 error = MP4_NO_AUDIO; |
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514 } |
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515 if(error == MP4_NOT_AVAILABLE) |
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516 User::Leave(EParserNotEnoughData); |
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517 else if ( error == MP4_INVALID_INPUT_STREAM ) |
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518 User::Leave(KErrCorrupt); |
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519 else if ( error != MP4_NO_AUDIO && error != MP4_OK ) |
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520 User::Leave(KErrorCode); |
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521 else |
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522 { |
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523 MPASSERT(error == MP4_OK || error == MP4_NO_AUDIO); |
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524 } |
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525 |
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526 // store the sample size for sanity checking purposes |
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527 iMaxAMRSampleSize = KVedMaxAMRFrameSize * aStreamParameters.iAudioFramesInSample; |
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528 |
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529 if (aStreamParameters.iVideoLength > 0) |
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530 aStreamParameters.iStreamLength = aStreamParameters.iVideoLength; |
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531 |
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532 if (aStreamParameters.iAudioLength > aStreamParameters.iVideoLength) |
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533 aStreamParameters.iStreamLength = aStreamParameters.iAudioLength; |
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534 |
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535 aStreamParameters.iFrameRate = frameRate; |
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536 |
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537 if(hasVideo) |
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538 { |
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539 |
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540 if ( iVideoType == MP4_TYPE_MPEG4_VIDEO ) |
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541 { |
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542 // read video resolution from VOL header |
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543 |
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544 HBufC8* tmpBuffer = (HBufC8*) HBufC8::NewLC(KVOLHeaderBufferSize); |
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545 TPtr8 tmpPtr = tmpBuffer->Des(); |
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546 mp4_u32 volSize = 0; |
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547 MP4Err volError = 0; |
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548 |
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549 volError = MP4ParseReadVideoDecoderSpecificInfo( iMP4Handle, |
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550 (mp4_u8*)(tmpPtr.Ptr()), |
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551 KVOLHeaderBufferSize, |
|
552 &volSize ); |
|
553 |
|
554 if ( volError != MP4_OK ) |
|
555 { |
|
556 User::Leave(KErrorCode); |
|
557 } |
|
558 tmpPtr.SetLength(volSize); |
|
559 |
|
560 CVedVolReader* tmpVolReader = CVedVolReader::NewL(); |
|
561 CleanupStack::PushL(tmpVolReader); |
|
562 |
|
563 tmpVolReader->ParseVolHeaderL(tmpPtr); |
|
564 |
|
565 aStreamParameters.iVideoWidth = tmpVolReader->Width(); |
|
566 aStreamParameters.iVideoHeight = tmpVolReader->Height(); |
|
567 |
|
568 CleanupStack::PopAndDestroy(tmpVolReader); |
|
569 CleanupStack::PopAndDestroy(tmpBuffer); |
|
570 |
|
571 } |
|
572 |
|
573 else if ( iVideoType == MP4_TYPE_AVC_PROFILE_BASELINE ) |
|
574 { |
|
575 // read resolution from SPS |
|
576 |
|
577 HBufC8* tmpBuffer = (HBufC8*) HBufC8::NewLC(KAVCDCRBufferSize); |
|
578 TPtr8 ptr = tmpBuffer->Des(); |
|
579 |
|
580 // read decoder specific info |
|
581 User::LeaveIfError( ReadAVCDecoderSpecificInfo(ptr) ); |
|
582 |
|
583 // create AVC editing instance |
|
584 CVedAVCEdit* avcEdit = CVedAVCEdit::NewL(); |
|
585 CleanupStack::PushL(avcEdit); |
|
586 |
|
587 TSize resolution(0,0); |
|
588 User::LeaveIfError( avcEdit->GetResolution(ptr, resolution) ); |
|
589 |
|
590 CleanupStack::PopAndDestroy(avcEdit); |
|
591 CleanupStack::PopAndDestroy(tmpBuffer); |
|
592 |
|
593 aStreamParameters.iVideoWidth = resolution.iWidth; |
|
594 aStreamParameters.iVideoHeight = resolution.iHeight; |
|
595 } |
|
596 |
|
597 |
|
598 iNumberOfFrames = GetNumberOfVideoFrames(); |
|
599 MPASSERT(iNumberOfFrames); |
|
600 |
|
601 if (iFirstTimeClipParsing) // update only at the first parsing of a clip |
|
602 { |
|
603 // update the frame numbers |
|
604 |
|
605 iOutputNumberOfFrames = iProcessor->GetOutputNumberOfFrames(); |
|
606 |
|
607 if (iOutputNumberOfFrames == 0) |
|
608 { |
|
609 iOutputNumberOfFrames += iNumberOfFrames; // total number of frames in all clips |
|
610 } |
|
611 else if (!iProcessor->IsThumbnailInProgress()) |
|
612 { |
|
613 iOutputNumberOfFrames += iNumberOfFrames; |
|
614 } |
|
615 } |
|
616 |
|
617 MPASSERT(frameRate > 0); |
|
618 if (frameRate > 0) |
|
619 aStreamParameters.iVideoPicturePeriodNsec = TInt64( TReal(1000000000) / TReal(frameRate) ); |
|
620 else |
|
621 aStreamParameters.iVideoPicturePeriodNsec = TInt64(33366667); |
|
622 |
|
623 if ( iVideoType == MP4_TYPE_H263_PROFILE_0 || iVideoType == MP4_TYPE_H263_PROFILE_3 ) |
|
624 { |
|
625 TVideoClipProperties prop; |
|
626 prop.iH263Level = 0; |
|
627 MP4ParseGetVideoClipProperties(iMP4Handle, prop); |
|
628 |
|
629 iMaxVideoFrameLength = KMaxCodedPictureSizeQCIF; |
|
630 if (prop.iH263Level == 45) |
|
631 { |
|
632 aStreamParameters.iVideoFormat = EVideoFormatH263Profile0Level45; |
|
633 } |
|
634 else |
|
635 { |
|
636 aStreamParameters.iVideoFormat = EVideoFormatH263Profile0Level10; |
|
637 } |
|
638 } |
|
639 else if ( iVideoType == MP4_TYPE_MPEG4_VIDEO ) |
|
640 { |
|
641 aStreamParameters.iVideoFormat = EVideoFormatMPEG4; |
|
642 if ( aStreamParameters.iVideoWidth <= KVedResolutionQCIF.iWidth ) |
|
643 { |
|
644 iMaxVideoFrameLength = KMaxCodedPictureSizeMPEG4L0BQCIF;//distinction between L0 and L0B not possible here |
|
645 } |
|
646 else if (aStreamParameters.iVideoWidth <= KVedResolutionCIF.iWidth ) |
|
647 { |
|
648 iMaxVideoFrameLength = KMaxCodedPictureSizeMPEG4CIF; |
|
649 } |
|
650 else |
|
651 { |
|
652 // VGA |
|
653 iMaxVideoFrameLength = KMaxCodedPictureSizeVGA; |
|
654 } |
|
655 } |
|
656 |
|
657 else if ( iVideoType == MP4_TYPE_AVC_PROFILE_BASELINE ) |
|
658 { |
|
659 |
|
660 // : Is it possible to dig up the level here ?? |
|
661 aStreamParameters.iVideoFormat = EVideoFormatAVCProfileBaseline; |
|
662 |
|
663 if ( aStreamParameters.iVideoWidth <= KVedResolutionQCIF.iWidth ) |
|
664 { |
|
665 iMaxVideoFrameLength = KMaxCodedPictureSizeAVCLevel1B; //distinction between L0 and L0B not possible here ?? |
|
666 } |
|
667 else if (aStreamParameters.iVideoWidth <= KVedResolutionCIF.iWidth ) |
|
668 { |
|
669 iMaxVideoFrameLength = KMaxCodedPictureSizeAVCLevel1_2; |
|
670 } |
|
671 else |
|
672 { |
|
673 // default |
|
674 iMaxVideoFrameLength = KMaxCodedPictureSizeAVCLevel1_2; |
|
675 } |
|
676 } |
|
677 } |
|
678 |
|
679 if ( error == MP4_OK ) |
|
680 { |
|
681 // stream contains audio |
|
682 if ( iAudioType == MP4_TYPE_AMR_NB ) |
|
683 aStreamParameters.iAudioFormat = EAudioFormatAMR; |
|
684 else |
|
685 { |
|
686 if ( iAudioType == MP4_TYPE_MPEG4_AUDIO ) |
|
687 aStreamParameters.iAudioFormat = EAudioFormatAAC; |
|
688 } |
|
689 } |
|
690 |
|
691 TBool videoMpeg4OrAVC = ( iVideoType == MP4_TYPE_MPEG4_VIDEO || |
|
692 iVideoType == MP4_TYPE_AVC_PROFILE_BASELINE ); |
|
693 |
|
694 if ( (videoMpeg4OrAVC && iAudioType == MP4_TYPE_MPEG4_AUDIO) || |
|
695 (videoMpeg4OrAVC && iAudioType == MP4_TYPE_NONE) || |
|
696 (iVideoType == MP4_TYPE_NONE && iAudioType == MP4_TYPE_MPEG4_AUDIO) ) |
|
697 aStreamParameters.iFileFormat = EFileFormatMP4; |
|
698 |
|
699 else if (iVideoType != MP4_TYPE_NONE || iAudioType != MP4_TYPE_NONE) |
|
700 aStreamParameters.iFileFormat = EFileFormat3GP; |
|
701 |
|
702 if ( aStreamParameters.iStreamLength == 0 ) |
|
703 aStreamParameters.iFileFormat = EFileFormatUnrecognized; |
|
704 |
|
705 if ( aStreamParameters.iVideoFormat != EVideoFormatNone ) |
|
706 { |
|
707 aStreamParameters.iHaveVideo = ETrue; |
|
708 aStreamParameters.iNumDemuxChannels++; |
|
709 } |
|
710 |
|
711 if ( aStreamParameters.iAudioFormat != EAudioFormatNone ) |
|
712 { |
|
713 aStreamParameters.iHaveAudio = ETrue; |
|
714 aStreamParameters.iNumDemuxChannels++; |
|
715 } |
|
716 |
|
717 aStreamParameters.iMaxPacketSize = 0; // N/A |
|
718 aStreamParameters.iLogicalChannelNumberVideo = 0; // N/A |
|
719 aStreamParameters.iLogicalChannelNumberAudio = 0; // N/A |
|
720 |
|
721 // get stream description |
|
722 error = MP4ParseRequestStreamDescription(iMP4Handle, (mp4_u32 *)&aStreamParameters.iStreamSize, |
|
723 (mp4_u32 *)&aStreamParameters.iStreamBitrate); |
|
724 if ( error != MP4_OK ) |
|
725 User::Leave(KErrorCode); |
|
726 |
|
727 // do sanity-check for bitrate |
|
728 if (aStreamParameters.iStreamBitrate < KMinBitrate) |
|
729 User::Leave(KErrCorrupt); |
|
730 |
|
731 aStreamParameters.iReferencePicturesNeeded = 0; |
|
732 aStreamParameters.iNumScalabilityLayers = 0; |
|
733 |
|
734 // determine if the stream contains INTRA frames so seeking is possible |
|
735 // If the stream contains more than one INTRA frame, seeking is |
|
736 // allowed. |
|
737 |
|
738 if (hasVideo) |
|
739 { |
|
740 mp4_u32 position = aStreamParameters.iStreamLength + 1000; |
|
741 mp4_u32 audioTime, videoTime; |
|
742 |
|
743 // Seek past stream duration to find out the position of last INTRA frame |
|
744 error = MP4ParseSeek(iMP4Handle, position, &audioTime, &videoTime, ETrue); |
|
745 if ( error != MP4_OK ) |
|
746 User::Leave(KErrorCode); |
|
747 |
|
748 if (videoTime != 0) |
|
749 { |
|
750 // at least two INTRAs |
|
751 aStreamParameters.iCanSeek = ETrue; |
|
752 } |
|
753 |
|
754 // rewind file back to beginning |
|
755 error = MP4ParseSeek(iMP4Handle, 0, &audioTime, &videoTime, EFalse); |
|
756 if ( error != MP4_OK ) |
|
757 User::Leave(KErrorCode); |
|
758 } |
|
759 |
|
760 PRINT((_L("CMP4Parser::ParseHeaderL() end"))); |
|
761 |
|
762 return KErrNone; |
|
763 } |
|
764 |
|
765 |
|
766 // --------------------------------------------------------- |
|
767 // CMP4Parser::IsStreamable |
|
768 // Finds out whether input stream is multiplexed so that |
|
769 // it can be streamed, i.e. played while receiving the stream. |
|
770 // (other items were commented in a header). |
|
771 // --------------------------------------------------------- |
|
772 // |
|
773 |
|
774 TInt CMP4Parser::IsStreamable() |
|
775 { |
|
776 MP4Err error; |
|
777 |
|
778 error = MP4ParseIsStreamable(iMP4Handle); |
|
779 if ( error == MP4_NOT_AVAILABLE ) |
|
780 return EParserNotEnoughData; |
|
781 else if ( error == MP4_INVALID_INPUT_STREAM ) |
|
782 return KErrNotSupported; |
|
783 else if ( error == MP4_ERROR ) |
|
784 return KErrorCode; |
|
785 else |
|
786 return ( error == MP4_OK ) ? 1 : 0; |
|
787 } |
|
788 |
|
789 |
|
790 // --------------------------------------------------------- |
|
791 // CMP4Parser::Seek |
|
792 // Seeks the file to desired position in milliseconds |
|
793 // (other items were commented in a header). |
|
794 // --------------------------------------------------------- |
|
795 // |
|
796 TInt CMP4Parser::Seek(TUint32 aPositionInMs, TUint32& anAudioTimeAfter, TUint32& aVideoTimeAfter) |
|
797 { |
|
798 |
|
799 MP4Err error = MP4_OK; |
|
800 MPASSERT(iStreamSource == ESourceFile); |
|
801 error = MP4ParseSeek(iMP4Handle, aPositionInMs, &anAudioTimeAfter, &aVideoTimeAfter, ETrue); |
|
802 if (error != MP4_OK) |
|
803 return KErrorCode; |
|
804 |
|
805 return KErrNone; |
|
806 } |
|
807 |
|
808 |
|
809 |
|
810 TInt CMP4Parser::GetNumberOfFrames() |
|
811 { |
|
812 return iNumberOfFrames; |
|
813 } |
|
814 |
|
815 // --------------------------------------------------------- |
|
816 // CMP4Parser::SeekOptimalIntraFrame |
|
817 // Seeks to INTRA frame position before given time |
|
818 // (other items were commented in a header). |
|
819 // --------------------------------------------------------- |
|
820 // |
|
821 TInt CMP4Parser::SeekOptimalIntraFrame(TTimeIntervalMicroSeconds aStartTime, TInt /*aIndex*/, TBool aFirstTime) |
|
822 { |
|
823 MP4Err error = KErrNone; |
|
824 TInt revisedNumberOfFrames = 0; |
|
825 mp4_u32 audioTime = 0; |
|
826 mp4_u32 videoTime = 0; |
|
827 // mp4_u32 timeScale = 0; |
|
828 |
|
829 // calculate the start time of the cut operation |
|
830 TInt64 startTime = aStartTime.Int64() / TInt64(1000); |
|
831 mp4_u32 startPosition = (mp4_u32)( I64INT(startTime) ); // in milliseconds |
|
832 |
|
833 TBool intraFound = (startPosition == 0); |
|
834 |
|
835 if (!aFirstTime) |
|
836 intraFound = 0; |
|
837 |
|
838 // First check if the first included frame is intra |
|
839 if (!intraFound) |
|
840 { |
|
841 // seek to previous frame preceding start time or at start time |
|
842 error = MP4ParseSeek(iMP4Handle, startPosition, &audioTime, &videoTime, EFalse); |
|
843 if (error != MP4_OK) |
|
844 { |
|
845 return KErrorCode; |
|
846 } |
|
847 MPASSERT(videoTime <= startPosition); |
|
848 |
|
849 // get index of the frame |
|
850 TInt index = iProcessor->GetVideoFrameIndex(TTimeIntervalMicroSeconds(videoTime*1000)); |
|
851 |
|
852 if (videoTime < startPosition) |
|
853 { |
|
854 // if there was no frame at start time, seek |
|
855 // one frame forward to the first included frame |
|
856 index++; |
|
857 } |
|
858 |
|
859 // get frame type |
|
860 mp4_bool frameType; |
|
861 error = MP4ParseGetVideoFrameType(iMP4Handle, index, &frameType); |
|
862 if (error != MP4_OK) |
|
863 { |
|
864 return KErrorCode; |
|
865 } |
|
866 if (frameType == 1) |
|
867 { |
|
868 intraFound = ETrue; |
|
869 iStartFrameIndex = index; |
|
870 |
|
871 mp4_u32 timeInTicks; |
|
872 // get timestamp of matched frame to startPosition |
|
873 error = MP4ParseGetVideoFrameStartTime(iMP4Handle, index, &timeInTicks, &startPosition); |
|
874 if (error != MP4_OK) |
|
875 { |
|
876 return KErrorCode; |
|
877 } |
|
878 |
|
879 // Now seek to found Intra in 1 ms increments. The loop is needed |
|
880 // because due to rounding error, MP4Parser may seek to previous |
|
881 // frame instead of the I-frame at startPosition |
|
882 TInt seekTime = startPosition; |
|
883 videoTime = 0; |
|
884 |
|
885 while (videoTime != startPosition) |
|
886 { |
|
887 error = MP4ParseSeek(iMP4Handle, seekTime, &audioTime, &videoTime, EFalse); |
|
888 if (error != MP4_OK) |
|
889 { |
|
890 return KErrorCode; |
|
891 } |
|
892 MPASSERT(videoTime <= startPosition); |
|
893 seekTime++; // add 1 ms |
|
894 } |
|
895 |
|
896 } |
|
897 } |
|
898 |
|
899 if (!intraFound) |
|
900 { |
|
901 // seek to the I-frame preceding the start time |
|
902 error = MP4ParseSeek(iMP4Handle, startPosition, &audioTime, &videoTime, ETrue); |
|
903 if (error != MP4_OK) |
|
904 { |
|
905 return KErrorCode; |
|
906 } |
|
907 } |
|
908 |
|
909 if (videoTime != 0) |
|
910 { |
|
911 if (!intraFound) |
|
912 { |
|
913 // get index of the intra frame |
|
914 TInt64 time = TInt64(TUint(videoTime)) * TInt64(1000); |
|
915 iStartFrameIndex = iProcessor->GetVideoFrameIndex(TTimeIntervalMicroSeconds( time )); |
|
916 } |
|
917 |
|
918 if (aFirstTime) |
|
919 { |
|
920 revisedNumberOfFrames = iNumberOfFrames - iStartFrameIndex; |
|
921 // update movie and clip number of frames |
|
922 iOutputNumberOfFrames -= iStartFrameIndex; |
|
923 iNumberOfFrames = revisedNumberOfFrames; |
|
924 } |
|
925 |
|
926 PRINT((_L("CMP4Parser::SeekOptimalIntraFrame() revised = %d"),revisedNumberOfFrames)); |
|
927 PRINT((_L("CMP4Parser::SeekOptimalIntraFrame() iNumberOfFrames = %d"),iNumberOfFrames)); |
|
928 PRINT((_L("CMP4Parser::SeekOptimalIntraFrame() iStartFrameIndex = %d"),iStartFrameIndex)); |
|
929 PRINT((_L("CMP4Parser::SeekOptimalIntraFrame() iOutputNumberOfFrames = %d"),iOutputNumberOfFrames)); |
|
930 iFrameNumber = iStartFrameIndex; |
|
931 } |
|
932 return KErrNone; |
|
933 } |
|
934 |
|
935 // --------------------------------------------------------- |
|
936 // CMP4Parser::GetNumberOfVideoFrames |
|
937 // Gets the number of video frames in clip |
|
938 // (other items were commented in a header). |
|
939 // --------------------------------------------------------- |
|
940 // |
|
941 TInt CMP4Parser::GetNumberOfVideoFrames() |
|
942 { |
|
943 mp4_u32 numberOfFrames = 0; |
|
944 MP4Err error = 0; |
|
945 |
|
946 error = MP4ParseGetNumberOfVideoFrames(iMP4Handle, &numberOfFrames); |
|
947 |
|
948 if (error != MP4_OK) |
|
949 return 0; |
|
950 |
|
951 return numberOfFrames; |
|
952 |
|
953 } |
|
954 |
|
955 // --------------------------------------------------------- |
|
956 // CMP4Parser::GetVideoFrameSize |
|
957 // Gets the size of video frame at given index |
|
958 // (other items were commented in a header). |
|
959 // --------------------------------------------------------- |
|
960 // |
|
961 TInt CMP4Parser::GetVideoFrameSize(TInt aIndex) |
|
962 { |
|
963 mp4_u32 frameSize = 0; |
|
964 mp4_u32 mp4Specific = 0; |
|
965 MP4Err error = 0; |
|
966 |
|
967 if ( aIndex == 0 && iVideoType == MP4_TYPE_MPEG4_VIDEO ) |
|
968 { |
|
969 error = MP4ParseReadVideoDecoderSpecificInfo( iMP4Handle, 0, 0, &mp4Specific ); |
|
970 |
|
971 if ( error != MP4_OK && error != MP4_BUFFER_TOO_SMALL ) |
|
972 return KErrorCode; |
|
973 } |
|
974 |
|
975 error = MP4ParseGetVideoFrameSize(iMP4Handle, aIndex, &frameSize); |
|
976 |
|
977 if (error != MP4_OK) |
|
978 return KErrorCode; |
|
979 |
|
980 return frameSize + mp4Specific; |
|
981 |
|
982 } |
|
983 |
|
984 |
|
985 |
|
986 // --------------------------------------------------------- |
|
987 // CMP4Parser::GetVideoFrameStartTime |
|
988 // Returns frame start time in millisec - optional iTimestamp for start time in ticks |
|
989 // (other items were commented in a header). |
|
990 // --------------------------------------------------------- |
|
991 // |
|
992 TInt CMP4Parser::GetVideoFrameStartTime(TInt aIndex, TInt* aTimeStampInTicks) |
|
993 { |
|
994 |
|
995 MP4Err error = 0; |
|
996 mp4_u32 timeStampInMs = 0; |
|
997 |
|
998 MPASSERT(aTimeStampInTicks); |
|
999 |
|
1000 PRINT((_L("CMP4Parser::GetVideoFrameStartTime(), get time for index %d"), aIndex)); |
|
1001 error = MP4ParseGetVideoFrameStartTime(iMP4Handle, aIndex, (mp4_u32*)aTimeStampInTicks, &timeStampInMs); |
|
1002 |
|
1003 if (error != MP4_OK) |
|
1004 { |
|
1005 PRINT((_L("CMP4Parser::GetVideoFrameStartTime(), error from MP4 parser %d"), error)); |
|
1006 return KErrorCode; |
|
1007 } |
|
1008 |
|
1009 PRINT((_L("CMP4Parser::GetVideoFrameStartTime(), time in ms %d"), timeStampInMs)); |
|
1010 return timeStampInMs; |
|
1011 |
|
1012 } |
|
1013 |
|
1014 |
|
1015 // --------------------------------------------------------- |
|
1016 // CMP4Parser::GetVideoFrameType |
|
1017 // Gets the type of video frame at given index |
|
1018 // (other items were commented in a header). |
|
1019 // --------------------------------------------------------- |
|
1020 // |
|
1021 TInt8 CMP4Parser::GetVideoFrameType(TInt aIndex) |
|
1022 { |
|
1023 |
|
1024 MP4Err error = 0; |
|
1025 mp4_bool frameType; |
|
1026 |
|
1027 error = MP4ParseGetVideoFrameType(iMP4Handle, aIndex, &frameType); |
|
1028 |
|
1029 if (error != MP4_OK) |
|
1030 return KErrGeneral; |
|
1031 |
|
1032 return TInt8(frameType); |
|
1033 } |
|
1034 |
|
1035 |
|
1036 // --------------------------------------------------------- |
|
1037 // CMP4Parser::GetVideoFrameProperties |
|
1038 // Gets frame properties |
|
1039 // (other items were commented in a header). |
|
1040 // --------------------------------------------------------- |
|
1041 // |
|
1042 TInt CMP4Parser::GetVideoFrameProperties(TFrameInfoParameters* aVideoFrameInfoArray, |
|
1043 TUint32 aStartIndex, TUint32 aSizeOfArray) |
|
1044 { |
|
1045 MP4Err error; |
|
1046 error = MP4GetVideoFrameProperties(iMP4Handle,aStartIndex,aSizeOfArray,aVideoFrameInfoArray); |
|
1047 |
|
1048 if (error != MP4_OK) |
|
1049 return KErrorCode; |
|
1050 |
|
1051 return KErrNone; |
|
1052 } |
|
1053 |
|
1054 |
|
1055 // --------------------------------------------------------- |
|
1056 // CMP4Parser::ParseAudioInfo |
|
1057 // Gets the frame information (frame size) for audio in the current clip |
|
1058 // (other items were commented in a header). |
|
1059 // --------------------------------------------------------- |
|
1060 // |
|
1061 TInt CMP4Parser::ParseAudioInfo(TInt& aAudioFrameSize) |
|
1062 { |
|
1063 MP4Err error; |
|
1064 mp4_u32 audioLength=0; |
|
1065 mp4_u32 audioType=0; |
|
1066 mp4_u32 audioFramesInSample=0; |
|
1067 mp4_u32 audioTimeScale=0; |
|
1068 mp4_u32 avgBitRate=0; |
|
1069 mp4_double frameLength = 0.02; // 20 ms |
|
1070 |
|
1071 error = MP4ParseRequestAudioDescription(iMP4Handle, (mp4_u32 *)&audioLength, |
|
1072 &audioType, (mp4_u8*)&audioFramesInSample, (mp4_u32 *)&audioTimeScale, (mp4_u32*)&avgBitRate); |
|
1073 aAudioFrameSize = ((mp4_u32)((mp4_double)avgBitRate*frameLength)>>3); |
|
1074 |
|
1075 return error; |
|
1076 } |
|
1077 |
|
1078 TInt CMP4Parser::GetMP4SpecificSize() |
|
1079 { |
|
1080 MP4Err error = 0; |
|
1081 mp4_u32 mp4Specific = 0; |
|
1082 if ( iVideoType == MP4_TYPE_MPEG4_VIDEO ) |
|
1083 { |
|
1084 error = MP4ParseReadVideoDecoderSpecificInfo( iMP4Handle, 0, 0, &mp4Specific ); |
|
1085 if ( error != MP4_OK && error != MP4_BUFFER_TOO_SMALL ) |
|
1086 return KErrGeneral; |
|
1087 } |
|
1088 return mp4Specific; |
|
1089 } |
|
1090 |
|
1091 // --------------------------------------------------------- |
|
1092 // CMP4Parser::ReadAudioDecoderSpecificInfoL |
|
1093 // Gets the decoder specific info from the current file filled so that it can be composed to output file |
|
1094 // (other items were commented in a header). |
|
1095 // --------------------------------------------------------- |
|
1096 // |
|
1097 TInt CMP4Parser::ReadAudioDecoderSpecificInfoL(HBufC8*& aBytes, TInt aBufferSize) |
|
1098 { |
|
1099 aBytes = HBufC8::NewL(aBufferSize); |
|
1100 CleanupStack::PushL(aBytes); |
|
1101 mp4_u8 *buffer = new (ELeave) mp4_u8[aBufferSize]; |
|
1102 mp4_u32 decspecinfosize = 0; |
|
1103 |
|
1104 MP4Err err = MP4ParseReadAudioDecoderSpecificInfo( |
|
1105 iMP4Handle, |
|
1106 buffer, |
|
1107 aBufferSize, |
|
1108 &decspecinfosize); |
|
1109 if (err == MP4_OK) |
|
1110 { |
|
1111 for (TInt a = 0 ; a < (TInt)decspecinfosize ; a++) |
|
1112 { |
|
1113 aBytes->Des().Append(buffer[a]); |
|
1114 } |
|
1115 } |
|
1116 else |
|
1117 { |
|
1118 delete[] buffer; |
|
1119 buffer = 0; |
|
1120 CleanupStack::PopAndDestroy(aBytes); |
|
1121 aBytes = 0; |
|
1122 User::Leave(KErrGeneral); |
|
1123 } |
|
1124 delete[] buffer; |
|
1125 buffer = 0; |
|
1126 CleanupStack::Pop(aBytes); |
|
1127 return ETrue; |
|
1128 } |
|
1129 |
|
1130 // --------------------------------------------------------- |
|
1131 // CMP4Parser::SetDefaultAudioDecoderSpecificInfoL |
|
1132 // Gets the default decoder specific info filled so that it can be composed to output file |
|
1133 // the default info is for a 16 KHz, mono LC type AAC only |
|
1134 // (other items were commented in a header). |
|
1135 // --------------------------------------------------------- |
|
1136 // |
|
1137 TInt CMP4Parser::SetDefaultAudioDecoderSpecificInfoL(HBufC8*& aBytes, TInt aBufferSize) |
|
1138 { |
|
1139 aBytes = HBufC8::NewL(aBufferSize); |
|
1140 CleanupStack::PushL(aBytes); |
|
1141 |
|
1142 const TUint8 frameDecSpecInfo[] = {0x14,0x08}; //the decoder specific |
|
1143 const TInt frameSize = 2; //constant as maximum size of decoderspecific info is 2 |
|
1144 |
|
1145 for (TInt a = 0 ; a < frameSize ; a++) |
|
1146 { |
|
1147 aBytes->Des().Append(frameDecSpecInfo[a]); |
|
1148 } |
|
1149 CleanupStack::Pop(aBytes); |
|
1150 return ETrue; |
|
1151 } |
|
1152 |
|
1153 |
|
1154 TInt CMP4Parser::GetAudioBitrate(TInt& aBitrate) |
|
1155 { |
|
1156 |
|
1157 mp4_u32 length; |
|
1158 mp4_u32 type; |
|
1159 mp4_u8 framesPerSample; |
|
1160 mp4_u32 timeScale; |
|
1161 mp4_u32 averageBitrate; |
|
1162 |
|
1163 MP4Err error = 0; |
|
1164 |
|
1165 error = MP4ParseRequestAudioDescription(iMP4Handle, &length, |
|
1166 &type, &framesPerSample, &timeScale, &averageBitrate); |
|
1167 |
|
1168 if ( error != 0 ) |
|
1169 return KErrGeneral; |
|
1170 |
|
1171 aBitrate = averageBitrate; |
|
1172 |
|
1173 return KErrNone; |
|
1174 |
|
1175 |
|
1176 } |
|
1177 |
|
1178 TInt CMP4Parser::GetVideoFrameRate(TReal& aFrameRate) |
|
1179 { |
|
1180 |
|
1181 mp4_u32 length; |
|
1182 mp4_double frameRate; |
|
1183 mp4_u32 videoType; |
|
1184 mp4_u32 width; |
|
1185 mp4_u32 height; |
|
1186 mp4_u32 timeScale; |
|
1187 |
|
1188 MP4Err error = 0; |
|
1189 |
|
1190 // get video description |
|
1191 error = MP4ParseRequestVideoDescription(iMP4Handle, &length, &frameRate, |
|
1192 &videoType, &width, &height, &timeScale); |
|
1193 |
|
1194 if ( error != 0 ) |
|
1195 return KErrGeneral; |
|
1196 |
|
1197 TReal temp = frameRate * 2.0; |
|
1198 TInt temp2 = TInt(temp + 0.5); |
|
1199 |
|
1200 aFrameRate = temp2 / 2.0; |
|
1201 |
|
1202 return KErrNone; |
|
1203 } |
|
1204 |
|
1205 TInt CMP4Parser::GetDecoderSpecificInfoSize() |
|
1206 { |
|
1207 |
|
1208 MPASSERT(iMP4Handle); |
|
1209 |
|
1210 mp4_u32 mp4Specific = 0; |
|
1211 |
|
1212 MP4Err error = MP4ParseReadVideoDecoderSpecificInfo( iMP4Handle, 0, 0, &mp4Specific ); |
|
1213 |
|
1214 if ( error != MP4_OK && error != MP4_BUFFER_TOO_SMALL ) |
|
1215 return KErrGeneral; |
|
1216 |
|
1217 return mp4Specific; |
|
1218 } |
|
1219 |
|
1220 TInt CMP4Parser::ReadAVCDecoderSpecificInfo(TDes8& buf) |
|
1221 { |
|
1222 |
|
1223 mp4_u32 mp4Specific = 0; |
|
1224 |
|
1225 MP4Err error = MP4ParseReadVideoDecoderSpecificInfo( iMP4Handle, (mp4_u8*)(buf.Ptr()), |
|
1226 mp4_u32( buf.MaxLength() ), &mp4Specific ); |
|
1227 |
|
1228 |
|
1229 if (error != MP4_OK) |
|
1230 return KErrorCode; |
|
1231 |
|
1232 buf.SetLength(mp4Specific); |
|
1233 |
|
1234 return KErrNone; |
|
1235 |
|
1236 } |
|
1237 |
|
1238 TInt CMP4Parser::GetVideoDuration(TInt& aDurationInMs) |
|
1239 { |
|
1240 |
|
1241 mp4_u32 length; |
|
1242 mp4_double frameRate; |
|
1243 mp4_u32 videoType; |
|
1244 mp4_u32 width; |
|
1245 mp4_u32 height; |
|
1246 mp4_u32 timeScale; |
|
1247 |
|
1248 MP4Err error = 0; |
|
1249 |
|
1250 // get video description |
|
1251 error = MP4ParseRequestVideoDescription(iMP4Handle, &length, &frameRate, |
|
1252 &videoType, &width, &height, &timeScale); |
|
1253 |
|
1254 if ( error != MP4_OK ) |
|
1255 return KErrGeneral; |
|
1256 |
|
1257 aDurationInMs = length; |
|
1258 |
|
1259 return KErrNone; |
|
1260 |
|
1261 } |
|
1262 |
|
1263 |
|
1264 // End of File |