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1 /* |
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2 * Copyright (c) 2006 Nokia Corporation and/or its subsidiary(-ies). |
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3 * All rights reserved. |
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4 * This component and the accompanying materials are made available |
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5 * under the terms of "Eclipse Public License v1.0" |
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6 * which accompanies this distribution, and is available |
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7 * at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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8 * |
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9 * Initial Contributors: |
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10 * Nokia Corporation - initial contribution. |
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11 * |
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12 * Contributors: |
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13 * |
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14 * Description: Class definition for the DataSourceAdapter functions. |
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15 * |
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16 */ |
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17 |
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18 |
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19 // INCLUDES |
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20 #include "DataSourceAdapter.h" |
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21 #include "DebugMacros.h" |
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22 #include <MultimediaDataSourceFactory.h> |
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23 #include <mmffile.h> |
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24 #include <MultimediaDataSource.h> |
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25 #include <AudioOutputControlUtility.h> |
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26 |
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27 // ============================ MEMBER FUNCTIONS =============================== |
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28 |
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29 // ----------------------------------------------------------------------------- |
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30 // CDataSourceAdapter::CDataSourceAdapter |
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31 // C++ default constructor can NOT contain any code, that |
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32 // might leave. |
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33 // ----------------------------------------------------------------------------- |
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34 // |
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35 EXPORT_C CDataSourceAdapter::CDataSourceAdapter() |
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36 { |
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37 iPosSeekable = EFalse; |
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38 iTimeSeekable = EFalse; |
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39 iDataSource = NULL; |
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40 iIsProtected = EFalse; |
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41 } |
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42 |
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43 // ----------------------------------------------------------------------------- |
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44 // CDataSourceAdapter::ConstructL |
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45 // Symbian 2nd phase constructor can leave. |
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46 // ----------------------------------------------------------------------------- |
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47 // |
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48 void CDataSourceAdapter::ConstructL() |
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49 { |
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50 // should end up doing this for all sources |
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51 iZeroBuffer = CMMFDataBuffer::NewL(0); // this is just for test to allow source seek |
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52 iHdrBuffer = CMMFDataBuffer::NewL(20); // just enough to cover the header lengths create by recorder |
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53 } |
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54 |
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55 // ----------------------------------------------------------------------------- |
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56 // CDataSourceAdapter::NewL |
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57 // Two-phased constructor. |
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58 // ----------------------------------------------------------------------------- |
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59 // |
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60 EXPORT_C CDataSourceAdapter* CDataSourceAdapter::NewL() |
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61 { |
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62 DP0(_L("CDataSourceAdapter::NewL")); |
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63 CDataSourceAdapter* self = new(ELeave) CDataSourceAdapter(); |
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64 CleanupStack::PushL(self); |
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65 self->ConstructL(); |
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66 CleanupStack::Pop(self); |
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67 return self; |
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68 } |
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69 |
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70 // Destructor |
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71 EXPORT_C CDataSourceAdapter::~CDataSourceAdapter() |
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72 { |
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73 DP0(_L("CDataSourceAdapter::~CDataSourceAdapter")); |
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74 delete iAsyncProxyFillBuffer; |
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75 delete iZeroBuffer; |
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76 delete iHdrBuffer; |
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77 if (iMMDataSource) |
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78 { |
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79 iMMDataSource->Close(); |
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80 delete iMMDataSource; |
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81 } |
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82 iAudioOutputControlUtility = NULL; |
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83 } |
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84 |
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85 EXPORT_C void CDataSourceAdapter::SetDataSourceL(MDataSource* aDataSource, |
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86 MMultimediaDataSourceObserver* aMMultimediaDataSourceObserver, |
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87 MAsyncEventHandler* aAsyncEventHandler) |
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88 { |
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89 DP0(_L("CDataSourceAdapter::SetDataSourceL")); |
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90 iHeaderOnly = EFalse; |
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91 iDataSource = aDataSource; |
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92 iAsyncEventHandler = aAsyncEventHandler; |
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93 iSourceType = iDataSource->DataSourceType(); |
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94 DP1(_L("CDataSourceAdapter::SetDataSourceL DataSourceType[0x%x]"), iSourceType); |
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95 |
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96 if ((iSourceType == KMmdsStreamingSourceUid) || (iSourceType == KMmdsProgDLSourceUid) || |
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97 (iSourceType == KMmdsFileSourceUid) || (iSourceType == KMmdsDescriptorSourceUid)) |
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98 { |
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99 TInt err = CMultimediaDataSourceFactory::CreateDataSource(*iDataSource, iMMDataSource); |
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100 |
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101 User::LeaveIfError(err); |
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102 |
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103 iMMDataSource->SetObserver(*aMMultimediaDataSourceObserver); |
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104 |
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105 err = iMMDataSource->Open(); |
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106 User::LeaveIfError(err); |
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107 |
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108 iMMDataSource->GetSeekingSupport(iPosSeekable); |
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109 } |
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110 else if ((iSourceType == KUidMmfFileSource) || (iSourceType == KOldProgDLSourceUid)) |
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111 { |
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112 iPosSeekable = ETrue; |
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113 iDataSource->SourcePrimeL(); |
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114 iIsProtected = static_cast<CMMFFile*>(iDataSource)->IsProtectedL(); |
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115 iClip = static_cast<CMMFClip*>(iDataSource); |
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116 iClip->SourceThreadLogon(*aAsyncEventHandler); |
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117 iClip->ReadBufferL(iHdrBuffer,0); |
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118 iClip->ReadBufferL(iZeroBuffer, 0); // seek back to 0 position |
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119 const TUint8* ptr = iHdrBuffer->Data().Ptr(); |
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120 if (iClip->Size() == 6) |
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121 { // check for just the header from recorder |
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122 TUint32* w1p = (TUint32*)ptr; |
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123 TUint16* w2p = (TUint16*)(ptr+4); |
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124 if (((*w1p & 0x4D412123)==0x4D412123) && |
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125 ((*w2p & 0x0A52)==0x0A52)) |
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126 { |
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127 iHeaderOnly = ETrue; |
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128 return; |
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129 } |
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130 } |
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131 } |
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132 else if (iSourceType == KUidMmfDescriptorSource) |
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133 { |
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134 TRAP_IGNORE(iAsyncProxyFillBuffer = new(ELeave) CAsyncProxyFillBuffer(iDataSource)); |
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135 } |
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136 } |
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137 |
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138 EXPORT_C TUid CDataSourceAdapter::DataSourceType() |
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139 { |
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140 DP0(_L("CDataSourceAdapter::DataSourceType")); |
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141 return iDataSource->DataSourceType(); |
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142 } |
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143 |
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144 EXPORT_C void CDataSourceAdapter::FillBufferL( CMMFBuffer* aBuffer, MDataSink* aConsumer, TMediaId aMediaId) |
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145 { |
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146 DP0(_L("CDataSourceAdapter::FillBufferL")); |
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147 if (iAsyncProxyFillBuffer) |
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148 {// mmf descriptor does not have async intfc |
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149 iAsyncProxyFillBuffer->FillBuffer(aBuffer, aConsumer, aMediaId); |
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150 } |
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151 else |
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152 { |
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153 iDataSource->FillBufferL(aBuffer, aConsumer, aMediaId); |
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154 } |
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155 } |
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156 |
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157 EXPORT_C void CDataSourceAdapter::BufferEmptiedL(CMMFBuffer* aBuffer) |
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158 { |
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159 DP0(_L("CDataSourceAdapter::BufferEmptiedL")); |
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160 iDataSource->BufferEmptiedL(aBuffer); |
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161 } |
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162 |
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163 EXPORT_C TBool CDataSourceAdapter::CanCreateSourceBuffer() |
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164 { |
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165 DP0(_L("CDataSourceAdapter::CanCreateSourceBuffer")); |
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166 return iDataSource->CanCreateSourceBuffer(); |
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167 } |
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168 |
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169 EXPORT_C CMMFBuffer* CDataSourceAdapter::CreateSourceBufferL(TMediaId aMediaId, TBool& aReference) |
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170 { |
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171 DP0(_L("CDataSourceAdapter::CreateSourceBufferL")); |
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172 return iDataSource->CreateSourceBufferL(aMediaId, aReference); |
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173 } |
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174 |
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175 EXPORT_C TInt CDataSourceAdapter::SourceThreadLogon(MAsyncEventHandler& aEventHandler) |
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176 { |
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177 DP0(_L("CDataSourceAdapter::SourceThreadLogon")); |
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178 return iDataSource->SourceThreadLogon(aEventHandler); |
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179 } |
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180 |
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181 EXPORT_C void CDataSourceAdapter::SourceThreadLogoff() |
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182 { |
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183 DP0(_L("CDataSourceAdapter::SourceThreadLogoff")); |
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184 iDataSource->SourceThreadLogoff(); |
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185 } |
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186 |
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187 EXPORT_C void CDataSourceAdapter::SourcePrimeL() |
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188 { |
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189 DP0(_L("CDataSourceAdapter::SourcePrimeL")); |
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190 iDataSource->SourcePrimeL(); |
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191 } |
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192 |
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193 EXPORT_C void CDataSourceAdapter::SourceStopL() |
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194 { |
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195 DP0(_L("CDataSourceAdapter::SourceStopL")); |
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196 iDataSource->SourceStopL(); |
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197 if (iAsyncProxyFillBuffer) |
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198 { |
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199 iAsyncProxyFillBuffer->Cancel(); |
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200 iAsyncProxyFillBuffer->Reset(); |
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201 } |
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202 } |
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203 |
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204 EXPORT_C void CDataSourceAdapter::SourcePlayL() |
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205 { |
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206 DP0(_L("CDataSourceAdapter::SourcePlayL")); |
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207 iDataSource->SourcePlayL(); |
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208 } |
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209 |
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210 EXPORT_C TInt CDataSourceAdapter::SeekToPosition(TUint aPosition) |
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211 { |
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212 DP1(_L("CDataSourceAdapter::SeekToPosition [%d]"), aPosition); |
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213 TInt status = KErrNone; |
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214 if (iPosSeekable) |
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215 { |
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216 if (iSourceType == KUidMmfFileSource) |
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217 { |
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218 TRAP(status, iClip->ReadBufferL(iZeroBuffer, aPosition)); // seek |
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219 } |
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220 else |
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221 { |
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222 status = iMMDataSource->Seek(aPosition); |
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223 } |
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224 } |
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225 else |
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226 { |
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227 status = KErrNotSupported; |
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228 } |
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229 return status; |
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230 } |
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231 |
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232 EXPORT_C TInt CDataSourceAdapter::SeekToTime(TUint /*aTimeMs*/) |
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233 { |
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234 DP0(_L("CDataSourceAdapter::SeekToTime")); |
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235 TInt status = KErrNotSupported; |
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236 return status; |
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237 } |
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238 |
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239 EXPORT_C TInt CDataSourceAdapter::SeekToTime(TUint /*aTimeMs*/, TUint& /*aFoundTimeMs*/) |
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240 { |
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241 DP0(_L("CDataSourceAdapter::SeekToTime")); |
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242 TInt status = KErrNotSupported; |
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243 return status; |
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244 } |
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245 |
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246 EXPORT_C TBool CDataSourceAdapter::IsTimeSeekable() |
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247 { |
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248 DP1(_L("CDataSourceAdapter::IsTimeSeekable[%d]"), iTimeSeekable); |
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249 return iTimeSeekable; |
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250 } |
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251 |
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252 EXPORT_C TBool CDataSourceAdapter::IsPositonSeekable() |
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253 { |
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254 DP1(_L("CDataSourceAdapter::IsPositonSeekable[%d]"), iPosSeekable); |
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255 if (iMMDataSource) |
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256 { // source seekability may change after file is downloaded so ask source again. |
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257 iMMDataSource->GetSeekingSupport(iPosSeekable); |
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258 } |
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259 return iPosSeekable; |
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260 } |
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261 |
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262 EXPORT_C TInt CDataSourceAdapter::SourceSize() |
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263 { |
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264 DP0(_L("CDataSourceAdapter::SourceSize")); |
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265 iSourceSize = KErrUnknown; |
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266 if ((iSourceType == KUidMmfFileSource) ||(iSourceType == KUidMmfDescriptorSource)) |
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267 { |
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268 iSourceSize = static_cast<CMMFClip*>(iDataSource)->Size(); |
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269 } |
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270 else if (iMMDataSource) |
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271 { |
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272 TUint size; |
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273 TInt stat = iMMDataSource->GetSize(size); |
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274 if (stat == KErrNone) |
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275 { |
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276 iSourceSize = size; |
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277 } |
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278 } |
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279 return iSourceSize; |
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280 } |
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281 |
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282 EXPORT_C TInt CDataSourceAdapter::IsProtectedL() |
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283 { |
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284 DP0(_L("CDataSourceAdapter::IsProtectedL")); |
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285 return iIsProtected; |
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286 } |
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287 |
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288 EXPORT_C void CDataSourceAdapter::SetSourcePrioritySettings(const TMMFPrioritySettings& aPrioritySettings) |
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289 { |
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290 DP0(_L("CDataSourceAdapter::SetSourcePrioritySettings")); |
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291 iDataSource->SetSourcePrioritySettings(aPrioritySettings); |
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292 } |
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293 |
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294 EXPORT_C TBool CDataSourceAdapter::OnlyHeaderPresent() |
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295 { |
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296 DP1(_L("CDataSourceAdapter::OnlyHeaderPresent [%d]"), iHeaderOnly); |
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297 return iHeaderOnly; |
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298 } |
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299 |
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300 // ----------------------------------------------------------------------------- |
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301 // CDataSourceAdapter::ExecuteIntent |
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302 // ----------------------------------------------------------------------------- |
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303 // |
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304 EXPORT_C TInt CDataSourceAdapter::ExecuteIntent(ContentAccess::TIntent aIntent) |
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305 { |
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306 DP1(_L("CDataSourceAdapter::ExecuteIntent [%d]"), aIntent); |
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307 TInt status = KErrNone; |
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308 |
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309 if (iMMDataSource) |
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310 { |
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311 status = iMMDataSource->ExecuteIntent(aIntent); |
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312 } |
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313 else if (iSourceType == KUidMmfFileSource) |
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314 { |
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315 CMMFFile* file = static_cast<CMMFFile*>(iDataSource); |
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316 status = file->ExecuteIntent(aIntent); |
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317 } |
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318 return status; |
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319 } |
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320 |
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321 // ----------------------------------------------------------------------------- |
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322 // CDataSourceAdapter::SetAgentProperty |
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323 // ----------------------------------------------------------------------------- |
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324 // |
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325 EXPORT_C TInt CDataSourceAdapter::SetAgentProperty(ContentAccess::TAgentProperty aProperty, TInt aValue) |
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326 { |
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327 DP2(_L("CDataSourceAdapter::SetAgentProperty prop[%d] val[%d]"), aProperty, aValue); |
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328 TInt status = KErrNone; |
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329 |
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330 if (iMMDataSource) |
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331 { |
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332 status = iMMDataSource->SetAgentProperty(aProperty, aValue); |
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333 } |
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334 else if (iSourceType == KUidMmfFileSource) |
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335 { |
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336 CMMFFile* file = static_cast<CMMFFile*>(iDataSource); |
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337 status = file->SetAgentProperty(aProperty, aValue); |
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338 } |
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339 |
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340 return status; |
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341 } |
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342 |
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343 // ----------------------------------------------------------------------------- |
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344 // CDataSourceAdapter::EvaluateIntent |
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345 // ----------------------------------------------------------------------------- |
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346 // |
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347 EXPORT_C TInt CDataSourceAdapter::EvaluateIntent(ContentAccess::TIntent aIntent) |
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348 { |
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349 DP0(_L("CDataSourceAdapter::EvaluateIntent")); |
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350 TInt status = KErrNone; |
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351 |
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352 if (iMMDataSource) |
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353 { |
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354 status = iMMDataSource->EvaluateIntent(aIntent); |
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355 } |
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356 else if (iSourceType == KUidMmfFileSource) |
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357 { |
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358 CMMFFile* file = static_cast<CMMFFile*>(iDataSource); |
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359 status = file->EvaluateIntent(aIntent); |
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360 } |
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361 |
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362 DP1(_L("CDataSourceAdapter::EvaluateIntent aIntent[%d]"), aIntent); |
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363 return status; |
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364 } |
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365 |
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366 // ----------------------------------------------------------------------------- |
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367 // CDataSourceAdapter::GetInterface |
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368 // ----------------------------------------------------------------------------- |
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369 // |
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370 EXPORT_C TInt CDataSourceAdapter::GetInterface(TUid aInterfaceId, TVersion& aVersion, TAny*& aInterfaceImpl) |
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371 { |
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372 TInt err = KErrNotSupported; |
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373 |
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374 if (iMMDataSource) |
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375 { |
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376 err = iMMDataSource->GetInterface(aInterfaceId, aVersion, aInterfaceImpl); |
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377 |
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378 // This Error check is done because all sources have not Implemented this Interface |
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379 // and the Controller will Leave if we return this Error in Prime() |
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380 // To maintain compatibility untill all the EMC sources implement GetInterface() |
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381 if(err == KErrNotFound) |
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382 return KErrNone; |
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383 |
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384 if (err != KErrNone) |
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385 return err; |
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386 } |
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387 |
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388 return err; |
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389 } |
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390 |
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391 // ----------------------------------------------------------------------------- |
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392 // CDataSourceAdapter::Event |
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393 // ----------------------------------------------------------------------------- |
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394 // |
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395 EXPORT_C void CDataSourceAdapter::Event(TUid aEvent) |
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396 { |
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397 if (iMMDataSource) |
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398 { |
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399 iMMDataSource->Event(aEvent); |
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400 } |
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401 } |
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402 |
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403 // ----------------------------------------------------------------------------- |
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404 // CDataSourceAdapter::CAsyncProxyFillBuffer |
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405 // ----------------------------------------------------------------------------- |
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406 |
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407 // ----------------------------------------------------------------------------- |
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408 // CDataSourceAdapter::CAsyncProxyFillBuffer::CAsyncProxyFillBuffer |
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409 // ----------------------------------------------------------------------------- |
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410 // |
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411 CDataSourceAdapter::CAsyncProxyFillBuffer::CAsyncProxyFillBuffer(MDataSource* aDataSource) : |
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412 CActive(EPriorityHigh), |
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413 iDataSource(aDataSource) |
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414 { |
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415 DP0(_L("CDataSourceAdapter::CAsyncProxyFillBuffer::CAsyncProxyFillBuffer")); |
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416 CActiveScheduler::Add(this); |
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417 } |
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418 |
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419 // ----------------------------------------------------------------------------- |
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420 // CDataSourceAdapter::CAsyncProxyFillBuffer::~CAsyncProxyFillBuffer |
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421 // ----------------------------------------------------------------------------- |
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422 // |
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423 |
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424 CDataSourceAdapter::CAsyncProxyFillBuffer::~CAsyncProxyFillBuffer() |
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425 { |
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426 DP0(_L("CDataSourceAdapter::CAsyncProxyFillBuffer::~CAsyncProxyFillBuffer")); |
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427 Cancel(); |
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428 iQueuedAsyncBuffers.Close(); |
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429 } |
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430 |
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431 // ----------------------------------------------------------------------------- |
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432 // CDataSourceAdapter::CAsyncProxyFillBuffer::FillBuffer |
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433 // ----------------------------------------------------------------------------- |
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434 // |
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435 void CDataSourceAdapter::CAsyncProxyFillBuffer::FillBuffer(CMMFBuffer* aBuffer, MDataSink* aConsumer, TMediaId aMediaId) |
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436 { |
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437 DP2(_L("CDataSourceAdapter::CAsyncProxyFillBuffer::FillBuffer buffer[%x] this=consumer[%d]"), |
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438 static_cast<CMMFDataBuffer*>(aBuffer)->Data().Ptr(), (aConsumer == (MDataSink*)this)); |
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439 iMediaId = aMediaId; |
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440 if (aConsumer == (MDataSink*)this) |
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441 { |
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442 iBuffer = aBuffer; |
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443 iStatus = KRequestPending; // service request would be made here and pending set by service provider |
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444 SetActive(); |
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445 iRequestStatus = &iStatus; |
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446 User::RequestComplete(iRequestStatus, KErrNone); |
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447 } |
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448 else |
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449 { |
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450 iConsumer = aConsumer; |
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451 if (IsActive()|| (iQueuedAsyncBuffers.Count() > 0)) |
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452 { |
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453 DP1(_L("CDataSourceAdapter::CAsyncProxyFillBuffer::RunL que[%x]"), |
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454 static_cast<CMMFDataBuffer*>(aBuffer)->Data().Ptr()); |
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455 iQueuedAsyncBuffers.Append(aBuffer); |
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456 } |
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457 else |
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458 { |
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459 iBuffer = aBuffer; |
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460 iStatus = KRequestPending; // service request would be made here and pending set by service provider |
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461 SetActive(); |
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462 iRequestStatus = &iStatus; |
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463 User::RequestComplete(iRequestStatus, KErrNone); |
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464 } |
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465 } |
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466 } |
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467 |
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468 // ----------------------------------------------------------------------------- |
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469 // CDataSourceAdapter::CAsyncProxyFillBuffer::RunL |
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470 // ----------------------------------------------------------------------------- |
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471 // |
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472 void CDataSourceAdapter::CAsyncProxyFillBuffer::RunL() |
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473 { |
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474 DP0(_L("CDataSourceAdapter::CAsyncProxyFillBuffer::RunL")); |
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475 if (iDataSource->DataSourceType() == KUidMmfDescriptorSource) |
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476 { |
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477 // descriptor has no way to set read position back to 0 |
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478 // so we have to always read using position |
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479 // then we can adjust the read position and send the buffer to the consumer |
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480 static_cast<CMMFFile*>(iDataSource)->ReadBufferL(iBuffer, iReadPos); |
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481 TInt bytesRead = static_cast<CMMFDataBuffer*>(iBuffer)->Data().Length(); |
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482 iReadPos += bytesRead; |
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483 iConsumer->BufferFilledL(iBuffer); |
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484 } |
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485 else |
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486 { |
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487 iDataSource->FillBufferL(iBuffer,iConsumer,iMediaId); |
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488 } |
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489 if (iQueuedAsyncBuffers.Count() > 0) |
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490 { |
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491 DP1(_L("CDataSourceAdapter::CAsyncProxyFillBuffer::RunL que count [%d]"),iQueuedAsyncBuffers.Count()); |
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492 FillBuffer(iQueuedAsyncBuffers[0],(MDataSink*)this,iMediaId); |
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493 iQueuedAsyncBuffers.Remove(0); |
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494 } |
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495 } |
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496 |
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497 // ----------------------------------------------------------------------------- |
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498 // CDataSourceAdapter::CAsyncProxyFillBuffer::RunError |
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499 // ----------------------------------------------------------------------------- |
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500 // |
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501 TInt CDataSourceAdapter::CAsyncProxyFillBuffer::RunError(TInt aError) |
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502 { |
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503 if (aError) |
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504 { |
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505 DP1(_L("CDataSourceAdapter::CAsyncProxyFillBuffer::RunError, aError = %d"), aError); |
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506 } |
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507 return KErrNone; |
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508 } |
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509 |
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510 // ----------------------------------------------------------------------------- |
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511 // CDataSourceAdapter::CAsyncProxyFillBuffer::DoCancel |
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512 // ----------------------------------------------------------------------------- |
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513 // |
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514 void CDataSourceAdapter::CAsyncProxyFillBuffer::DoCancel() |
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515 { |
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516 DP0(_L("CDataSourceAdapter::CAsyncProxyFillBuffer::DoCancel")); |
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517 // Reset(); |
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518 } |
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519 |
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520 // ----------------------------------------------------------------------------- |
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521 // CDataSourceAdapter::CAsyncProxyFillBuffer::Reset |
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522 // ----------------------------------------------------------------------------- |
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523 // |
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524 void CDataSourceAdapter::CAsyncProxyFillBuffer::Reset() |
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525 { |
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526 DP0(_L("CDataSourceAdapter::CAsyncProxyFillBuffer::Reset")); |
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527 iQueuedAsyncBuffers.Reset(); |
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528 iReadPos = 0; |
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529 } |
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530 |
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531 // ----------------------------------------------------------------------------- |
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532 // CDataSourceAdapter::SetAudioOutputControlUtil |
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533 // sets the AudioOutputControlUtitlity reference and sets Datasource to AudioOutputContolUtility |
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534 // ----------------------------------------------------------------------------- |
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535 // |
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536 EXPORT_C TInt CDataSourceAdapter::SetAudioOutputControlUtil(CAudioOutputControlUtility* aAudioOutputControlUtility) |
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537 { |
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538 DP0(_L("CDataSourceAdapter::SetAudioOutputControlUtil")); |
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539 TInt status(KErrNotReady); |
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540 iAudioOutputControlUtility = aAudioOutputControlUtility; |
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541 |
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542 if (iMMDataSource) |
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543 status = iAudioOutputControlUtility->SetDataSource(iMMDataSource); //EMC source |
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544 else |
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545 status = iAudioOutputControlUtility->SetDataSource(iDataSource); //MMF source |
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546 |
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547 return status; |
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548 } |
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549 |
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550 // ========================== OTHER EXPORTED FUNCTIONS ========================= |
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551 // End of File |
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552 |