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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: Implementation of the ClientDataBufferSource class. |
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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 |
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20 #include "ClientDataBufferSource.h" |
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21 #include "DataBufferQueueItem.h" |
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22 #include "DataBufferSourceCustomCommands.h" |
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23 #include "EventNotifier.h" |
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24 #include "DataBufferProcessedEvent.h" |
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25 #include "DataBufferSourceUid.h" |
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26 #include "DRMConfigIntfcImpl.h" |
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27 |
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28 #include <e32std.h> |
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29 #include <MCustomCommand.h> |
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30 #include <DataBuffer.h> |
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31 #include <MimeTypes.h> |
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32 #include <SourceControlObserver.h> |
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33 #include "tracemacros.h" |
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34 |
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35 #define RETURN_IF_ERROR(x) if(x != KErrNone) return x |
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36 |
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37 using namespace multimedia; |
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38 |
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39 // CONSTANTS |
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40 const TInt KMinBufferSize = 5120; |
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41 |
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42 |
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43 CClientDataBufferSource::CClientDataBufferSource() |
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44 :iDRMType(ENone) |
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45 { |
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46 iFixedDurationSupport = false; |
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47 } |
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48 |
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49 CClientDataBufferSource::~CClientDataBufferSource() |
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50 { |
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51 delete iMimeType; |
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52 EmptyQueue(); |
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53 delete iEventNotifier; |
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54 delete iAudioBufferQueue; |
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55 delete iBufTypeSupportEvent; |
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56 iAllowedOutputDeviceList.Close(); |
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57 } |
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58 |
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59 TInt CClientDataBufferSource::PostConstructor() |
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60 { |
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61 TInt status(KErrNone); |
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62 // Make sure this doesn't get called second time around. |
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63 if ( !iEventNotifier ) |
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64 { |
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65 TRAP(status, iEventNotifier = CEventNotifier::NewL()); |
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66 } |
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67 |
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68 RETURN_IF_ERROR(status); |
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69 |
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70 iAudioBufferQueue = new TSglQue<CDataBufferQueueItem>(_FOFF(CDataBufferQueueItem, iLink)); |
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71 if (!iAudioBufferQueue) |
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72 { |
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73 status = KErrNoMemory; |
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74 } |
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75 RETURN_IF_ERROR(status); |
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76 |
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77 TRAP(status,iBufTypeSupportEvent = CBufTypeSupEventAO::NewL(*this)); |
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78 |
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79 return status; |
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80 } |
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81 |
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82 TInt CClientDataBufferSource::AddObserver( MControlObserver& aObserver ) |
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83 { |
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84 return iEventNotifier->AddObserver( aObserver ); |
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85 } |
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86 |
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87 TInt CClientDataBufferSource::RemoveObserver( MControlObserver& aObserver ) |
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88 { |
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89 return iEventNotifier->RemoveObserver( aObserver ); |
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90 } |
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91 |
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92 TUid CClientDataBufferSource::Type() |
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93 { |
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94 return KDataBufferSourceControl; |
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95 } |
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96 |
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97 TControlType CClientDataBufferSource::ControlType() |
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98 { |
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99 return ESourceControl; |
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100 } |
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101 |
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102 TInt CClientDataBufferSource::GetSize( TUint& aSize ) |
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103 { |
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104 TInt status(KErrNone); |
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105 aSize = iSourceSize; |
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106 return status; |
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107 } |
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108 |
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109 TInt CClientDataBufferSource::GetMimeType( TDes8& aMimeType ) |
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110 { |
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111 aMimeType.Copy(*iMimeType); |
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112 return KErrNone; |
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113 } |
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114 |
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115 TInt CClientDataBufferSource::Close() |
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116 { |
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117 TInt status(KErrNone); |
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118 iBufferSeqNum = 0; |
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119 return status; |
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120 } |
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121 |
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122 TInt CClientDataBufferSource::Open( TDesC8& aMimeType , MDataBuffer& /*aHeaderData */) |
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123 { |
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124 TInt status(KErrNotSupported); |
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125 // Source is already attached to controller |
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126 if ( iServerSourceExists ) |
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127 { |
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128 status = KErrInUse; |
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129 } |
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130 else |
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131 { |
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132 delete iMimeType; |
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133 iMimeType = NULL; |
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134 TRAP( status, iMimeType = aMimeType.AllocL() ); |
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135 iBufferSeqNum = 0; |
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136 } |
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137 return status; |
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138 } |
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139 |
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140 TInt CClientDataBufferSource::GetMinimumBufferSize( TUint& aBufferSize ) |
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141 { |
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142 TInt status(KErrNone); |
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143 aBufferSize = KMinBufferSize; |
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144 return status; |
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145 } |
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146 |
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147 TInt CClientDataBufferSource::SetSize( TUint aSize ) |
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148 { |
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149 TInt status(KErrNone); |
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150 iSourceSize = aSize; |
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151 if ( iServerSourceExists ) |
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152 { |
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153 TPckgBuf<TInt> pckg(aSize); |
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154 status = iCustomCommand->CustomCommandSync( iSourceHandlePckg, ESetSize, pckg, KNullDesC8 ); |
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155 } |
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156 return status; |
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157 } |
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158 |
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159 TInt CClientDataBufferSource::WriteData(MDataBuffer& aBuffer ) |
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160 { |
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161 EMC_TRACE3(_L("CClientDataBufferSource::WriteData:size[%d]lastbuf[%d]"), \ |
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162 aBuffer.GetBufferPtr().Length(), aBuffer.IsLastBuffer()); |
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163 /* |
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164 TUint8* bufPtr = const_cast<TUint8*>(aBuffer.GetBufferPtr().Ptr()); |
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165 if ( aBuffer.GetBufferPtr().Length() > 5 ) |
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166 { |
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167 RDebug::Print(_L("CClientDataBufferSource::WriteData data[0x%x][0x%x][0x%x][0x%x][0x%x]"), \ |
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168 *bufPtr,*(bufPtr+1),*(bufPtr+2),*(bufPtr+3),*(bufPtr+4)); |
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169 } |
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170 */ |
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171 |
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172 TInt status(KErrNotReady); |
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173 // For now we can only write audio data only if controller is loaded |
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174 // and source is added to controller. |
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175 if ( iServerSourceExists ) |
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176 { |
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177 // Append item to queue |
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178 CDataBufferQueueItem* item(NULL); |
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179 TRAP(status, item = CDataBufferQueueItem::NewL( *this, |
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180 aBuffer, |
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181 aBuffer.IsLastBuffer(), |
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182 iBufferSeqNum )); |
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183 RETURN_IF_ERROR(status); |
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184 |
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185 iAudioBufferQueue->AddLast(*item); |
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186 |
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187 // Send data to server source |
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188 item->SetActive(); |
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189 TPckgBuf<TUint> bufSeqNum; |
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190 bufSeqNum() = iBufferSeqNum; |
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191 iCustomCommand->CustomCommandAsync( |
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192 iSourceHandlePckg, |
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193 (TInt)EProcessBuffer, |
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194 aBuffer.GetBufferPtr(), |
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195 item->GetDataBufferAttributesDesc(), |
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196 item->iStatus); |
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197 status = KErrNone; |
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198 iBufferSeqNum++; |
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199 } |
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200 return status; |
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201 } |
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202 |
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203 TInt CClientDataBufferSource::EmptyBuffers() |
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204 { |
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205 TInt status(KErrNone); |
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206 return status; |
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207 } |
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208 |
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209 TInt CClientDataBufferSource::GetBufferingConfig(TBufferingConfig& aConfig) |
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210 { |
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211 TPckgBuf<TBufferingConfig> pckg; |
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212 if(iServerSourceExists) |
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213 { |
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214 iCustomCommand->CustomCommandSync( iSourceHandlePckg, EGetCurrentBufferingConfig, KNullDesC8, KNullDesC8, pckg ); |
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215 aConfig = pckg(); |
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216 return KErrNone; |
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217 } |
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218 else |
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219 { |
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220 return KErrNotFound; |
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221 } |
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222 } |
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223 |
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224 TInt CClientDataBufferSource::SetBufferingConfig(TBufferingConfig aConfig) |
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225 { |
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226 TPckgBuf<TBufferingConfig> pckg(aConfig); |
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227 if ( iServerSourceExists) |
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228 { |
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229 iCustomCommand->CustomCommandSync( iSourceHandlePckg, ESetBufferingConfig, pckg, KNullDesC8 ); |
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230 return KErrNone; |
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231 } |
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232 else |
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233 { |
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234 return KErrNotFound; |
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235 } |
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236 } |
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237 |
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238 TInt CClientDataBufferSource::GetBitRate(TUint& aRate) |
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239 { |
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240 //Source Custom Command |
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241 TPckgBuf<TUint> pckg; |
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242 if(iServerSourceExists) |
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243 { |
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244 iCustomCommand->CustomCommandSync( iSourceHandlePckg, EGetBitRate, KNullDesC8, KNullDesC8, pckg ); |
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245 aRate = pckg(); |
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246 return KErrNone; |
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247 } |
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248 else |
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249 { |
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250 aRate = 0; |
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251 return KErrNotFound; |
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252 } |
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253 } |
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254 |
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255 TInt CClientDataBufferSource::GetBufferingTypesSupported(TArray<TBufferingConfig::TBufferingType>& aArray) |
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256 { |
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257 RArray<TBufferingConfig::TBufferingType> temp; |
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258 temp.Array() = aArray; |
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259 temp.Append(TBufferingConfig::BUFFERINGNONE); |
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260 temp.Append(TBufferingConfig::FIXEDSIZE); |
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261 if(iFixedDurationSupport) |
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262 { |
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263 temp.Append(TBufferingConfig::FIXEDDURATION); |
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264 } |
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265 aArray = temp.Array(); |
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266 return KErrNone; |
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267 } |
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268 |
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269 TInt CClientDataBufferSource::GetInterface( |
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270 TUid aInterfaceId, |
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271 TVersion& aVer, |
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272 TAny*& aInterfaceImpl ) |
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273 { |
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274 TInt status(KErrNotFound); |
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275 aInterfaceImpl = NULL; |
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276 if ( ( aInterfaceId == KDRMConfigIntfc ) && |
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277 ( ( aVer.iMajor == KDRMConfigIntfcMajorVer1 ) && |
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278 ( aVer.iMinor == KDRMConfigIntfcMinorVer1 ) && |
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279 ( aVer.iBuild == KDRMConfigIntfcBuildVer1 ) ) ) |
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280 { |
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281 CDRMConfigIntcfImpl* temp(NULL); |
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282 TRAP(status, temp = CDRMConfigIntcfImpl::NewL(*this)); |
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283 if ( status == KErrNone ) |
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284 { |
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285 this->SetChild(*((CChildIntfc*)temp)); |
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286 temp->SetParent(*(CParentIntfc*)this); |
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287 aInterfaceImpl = (CDRMConfigIntfc*)temp; |
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288 } |
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289 } |
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290 return status; |
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291 } |
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292 |
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293 void CClientDataBufferSource::ServerSourceCreated( MCustomCommand& aCustomCommand, |
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294 TMMFMessageDestination& aSourceHandle ) |
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295 { |
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296 iServerSourceExists = ETrue; |
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297 iCustomCommand = &aCustomCommand; |
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298 iSourceHandle = aSourceHandle; |
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299 iSourceHandlePckg() = aSourceHandle; |
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300 |
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301 // Send DRM Config to server side plugin |
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302 TRAP_IGNORE( DoCommitDRMConfigL() ); |
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303 |
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304 iBufTypeSupportEvent->SetActive(); |
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305 iCustomCommand->CustomCommandAsync( |
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306 iSourceHandlePckg, |
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307 (TInt)EGetBufferingConfigSupported, |
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308 KNullDesC8, |
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309 KNullDesC8, |
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310 iBufTypeSupportEvent->iStatus); |
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311 |
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312 } |
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313 |
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314 void CClientDataBufferSource::ServerSourceDeleted() |
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315 { |
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316 iServerSourceExists = EFalse; |
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317 iCustomCommand = NULL; |
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318 // Do client buffer cleanup |
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319 // It should've already been done when server side source was deleted. |
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320 // This is just to make sure. |
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321 } |
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322 |
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323 TBool CClientDataBufferSource::IsEncrypted() |
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324 { |
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325 return KErrNotSupported; |
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326 } |
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327 |
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328 TUid CClientDataBufferSource::GetSourceUid() |
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329 { |
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330 return KMmfDataBufferSource; |
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331 } |
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332 |
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333 TInt CClientDataBufferSource::GetHeaderData(TPtr& /*aPtr*/) |
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334 { |
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335 return KErrNotSupported; |
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336 } |
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337 |
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338 |
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339 void CClientDataBufferSource::BufferProcessed( CDataBufferQueueItem* aItem ) |
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340 { |
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341 // Create a event object |
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342 CDataBufferProcessedEvent* event = new CDataBufferProcessedEvent( |
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343 &(aItem->DataBuffer()), |
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344 aItem->Error() ); |
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345 |
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346 // Remove the item from the list and delete it. |
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347 iAudioBufferQueue->Remove(*aItem); |
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348 delete aItem; |
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349 |
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350 // Send event to client that buffer is processed |
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351 iEventNotifier->Event( this, MSourceControlObserver::KBufferProcessedEvent, event ); |
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352 } |
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353 |
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354 void CClientDataBufferSource::HandleCancel( CDataBufferQueueItem& aItem ) |
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355 { |
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356 EMC_TRACE1(_L("CClientDataBufferSource::HandleCancel:")); |
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357 if ( iServerSourceExists ) |
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358 { |
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359 TPckgBuf<TUint> bufSeqPckg(aItem.GetBufferSequenceNumber()); |
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360 iCustomCommand->CustomCommandSync( |
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361 iSourceHandlePckg, |
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362 (TInt)ECancel, |
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363 bufSeqPckg, |
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364 KNullDesC8 |
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365 ); |
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366 } |
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367 else |
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368 { |
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369 aItem.CompleteSelf(KErrDied); |
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370 } |
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371 } |
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372 |
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373 void CClientDataBufferSource::BufferingTypesSupportedChanged() |
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374 { |
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375 iFixedDurationSupport = true; |
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376 } |
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377 |
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378 TInt CClientDataBufferSource::SetDRMType( TDRMType aDRMType ) |
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379 { |
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380 TInt status(KErrNone); |
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381 switch (aDRMType) |
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382 { |
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383 case ENone: |
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384 case EOMA1: |
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385 case EOMA2: |
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386 case EWMDRM: |
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387 iDRMType = aDRMType; |
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388 break; |
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389 default: |
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390 status = KErrArgument; |
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391 break; |
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392 }; |
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393 return status; |
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394 } |
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395 |
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396 TInt CClientDataBufferSource::GetDRMType( TDRMType& aDRMType ) |
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397 { |
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398 TInt status(KErrNone); |
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399 aDRMType = iDRMType; |
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400 return status; |
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401 } |
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402 |
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403 TInt CClientDataBufferSource::AppendAllowedOutputDevice( TDRMAllowedOutputDevice aOutputDevice ) |
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404 { |
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405 TInt status(KErrAlreadyExists); |
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406 switch (aOutputDevice) |
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407 { |
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408 case EAudioAllowAll: |
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409 case EAudioAllowAnalog: |
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410 case EAudioAllowFMTx: |
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411 case EAudioAllowBTA2DP: |
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412 case EAudioAllowBTHFPHSP: |
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413 case EAudioAllowUplink: |
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414 case EAudioAllowUSB: |
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415 case EAudioAllowRecording: |
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416 case EAudioAllowVisualization: |
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417 /** |
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418 * RIM CR 417-7642: HDMI with HDCP to Resctricted Audio Output API |
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419 * Due to addition of new ENUMs to CRestrictedAudioOutput::TAllowedOutputPreference for HDMI and HDCP |
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420 * EAllowAudioHDMI and EAllowAudioHdmiHdcpRequired,the same is matched by adding |
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421 * EAudioAllowHDMI and EAudioAllowHdmiHdcpRequired |
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422 */ |
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423 case EAudioAllowHDMI: |
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424 case EAudioAllowHdmiHdcpRequired: |
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425 if ( iAllowedOutputDeviceList.Find( aOutputDevice ) == KErrNotFound ) |
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426 { |
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427 status = iAllowedOutputDeviceList.Append( aOutputDevice ); |
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428 } |
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429 break; |
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430 default: |
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431 status = KErrArgument; |
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432 break; |
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433 }; |
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434 return status; |
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435 } |
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436 |
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437 TInt CClientDataBufferSource::RemoveAllowedOutputDevice( TDRMAllowedOutputDevice aOutputDevice ) |
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438 { |
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439 TInt status = iAllowedOutputDeviceList.Find( aOutputDevice ); |
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440 if ( status == KErrNotFound ) |
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441 { |
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442 iAllowedOutputDeviceList.Remove(status); |
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443 status = KErrNone; |
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444 } |
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445 return status; |
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446 } |
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447 |
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448 TInt CClientDataBufferSource::GetAllowedOutputDeviceCount( TInt& aCount ) |
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449 { |
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450 TInt status(KErrNone); |
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451 aCount = iAllowedOutputDeviceList.Count(); |
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452 return status; |
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453 } |
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454 |
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455 TInt CClientDataBufferSource::GetAllowedOutputDevice( TInt aIndex, TDRMAllowedOutputDevice& aOutputDevice ) |
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456 { |
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457 TInt status(KErrArgument); |
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458 if ( aIndex <= iAllowedOutputDeviceList.Count() ) |
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459 { |
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460 aOutputDevice = iAllowedOutputDeviceList[aIndex]; |
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461 status = KErrNone; |
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462 } |
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463 return status; |
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464 } |
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465 |
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466 TInt CClientDataBufferSource::ResetDRMConfig() |
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467 { |
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468 iDRMType = ENone; |
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469 iAllowedOutputDeviceList.Reset(); |
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470 return KErrNone; |
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471 } |
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472 |
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473 TInt CClientDataBufferSource::CommitDRMConfig() |
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474 { |
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475 TInt status(KErrNone); |
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476 TRAP(status, DoCommitDRMConfigL()); |
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477 return status; |
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478 } |
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479 |
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480 void CClientDataBufferSource::EmptyQueue() |
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481 { |
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482 CDataBufferQueueItem* bufferItem; |
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483 while ( !iAudioBufferQueue->IsEmpty() ) |
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484 { |
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485 bufferItem = iAudioBufferQueue->First(); |
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486 iAudioBufferQueue->Remove(*bufferItem); |
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487 delete bufferItem; |
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488 } |
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489 } |
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490 |
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491 void CClientDataBufferSource::DoCommitDRMConfigL() |
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492 { |
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493 if ( iServerSourceExists ) |
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494 { |
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495 // Package DRM Info into a descriptor and send it to server side plugin |
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496 TInt descSize = sizeof(TDRMType); // For iDRMType |
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497 descSize += sizeof(TInt); // For array size |
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498 descSize += (iAllowedOutputDeviceList.Count() * sizeof(TDRMAllowedOutputDevice)); // For array |
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499 |
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500 HBufC8* buf(NULL); |
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501 buf = HBufC8::NewL(descSize); |
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502 CleanupStack::PushL(buf); |
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503 |
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504 RDesWriteStream stream; |
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505 TPtr8 ptr = buf->Des(); |
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506 stream.Open(ptr); |
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507 CleanupClosePushL(stream); |
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508 |
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509 // Write DRM Type |
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510 stream.WriteInt32L(iDRMType); |
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511 // Write Allowed Output Device Count |
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512 stream.WriteInt32L(iAllowedOutputDeviceList.Count()); |
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513 // Write Allowed Output Device enumeration |
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514 for (TInt i=0;i<iAllowedOutputDeviceList.Count();i++) |
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515 { |
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516 stream.WriteInt32L(iAllowedOutputDeviceList[i]); |
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517 } |
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518 ptr.SetLength(descSize); |
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519 User::LeaveIfError(iCustomCommand->CustomCommandSync( iSourceHandlePckg, ESetDRMConfig, ptr, KNullDesC8 )); |
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520 |
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521 // Delete objects |
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522 CleanupStack::PopAndDestroy(&stream);//stream |
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523 CleanupStack::PopAndDestroy(buf);//stream |
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524 } |
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525 } |
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526 |
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527 // End of file |