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1 /* |
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2 * Copyright (c) 2004-2006 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: Provides a comfort noise generator class |
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15 * |
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16 */ |
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17 |
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18 // INCLUDE FILES |
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19 |
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20 #include <rtpheader.h> |
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21 #include <e32cmn.h> |
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22 #include <utf.h> // charconv.lib |
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23 |
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24 #include "msrppayloadformatwrite.h" |
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25 #include "mccrtpdatasink.h" |
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26 #include "Mccrtpinterface.h" |
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27 |
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28 #include "mccmsrpformatlogs.h" |
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29 #include "mccuids.hrh" |
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30 #include "mccdef.h" |
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31 #include "mccrtpmediaclock.h" |
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32 #include "mccinternaldef.h" |
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33 #include "msrppayloadformatdefs.h" |
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34 #include "mmccinterfacedef.h" |
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35 #include "mccmsrpsink.h" |
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36 |
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37 |
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38 // ----------------------------------------------------------------------------- |
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39 // CMsrpPayloadFormatRead::CMsrpPayloadFormatRead |
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40 // C++ default constructor can NOT contain any code, that |
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41 // might leave. |
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42 // |
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43 // iIdleMode is set to ETrue, because when starting we are in IdleMode |
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44 // ----------------------------------------------------------------------------- |
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45 // |
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46 CMsrpPayloadFormatWrite::CMsrpPayloadFormatWrite(): iIdleMode(ETrue) |
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47 { |
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48 } |
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49 |
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50 // ----------------------------------------------------------------------------- |
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51 // CMsrpPayloadFormatWrite::ConstructL |
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52 // Symbian 2nd phase constructor can leave. |
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53 // ----------------------------------------------------------------------------- |
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54 // |
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55 void CMsrpPayloadFormatWrite::ConstructL ( MDataSink* aSink ) |
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56 { |
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57 |
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58 DP_MSRP_WRITE("CMsrpPayloadFormatWrite::ConstructL"); |
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59 |
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60 // Set default values |
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61 iFourCC = KMccFourCCIdMSRP ; |
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62 //iFourCC.Set( TFourCC( 'T','1','4','0' ) ); |
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63 |
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64 //we are going upstream, so our source is the datapath and |
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65 // sink is the clip. If we use RTP, which we do, |
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66 // our sink is of cource the RTPSink |
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67 iClip = aSink; |
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68 iIsRtpSink = ( KMccRtpSinkUid == aSink->DataSinkType() ); |
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69 iIsMsrpSink = (KMccMsrpSinkUid == aSink->DataSinkType() ); |
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70 |
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71 // two levels of redundancy is allways assumed, not necessarily used |
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72 // RFC4103 RECOMMENDED |
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73 iRedData = new(ELeave)CArrayFixFlat<TStringElement>(3); |
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74 |
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75 //userBuffer, handles all data put in by user |
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76 iUserBuffer = new(ELeave)CArrayFixFlat<TStringElement>(3); |
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77 |
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78 // init data to null |
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79 TStringElement one; |
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80 TStringElement two; |
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81 TStringElement three; |
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82 iRedData->AppendL(one); |
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83 iRedData->AppendL(two); |
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84 iRedData->AppendL(three); |
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85 |
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86 // maxsize of the packet |
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87 iBuf = HBufC8::NewL( KRedHeaderSize + KDataSize ); |
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88 iData = const_cast<TUint8*>( iBuf->Des().Ptr() ); |
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89 |
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90 if ( iIsRtpSink ) |
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91 { |
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92 CMccRtpDataSink* tmp = static_cast<CMccRtpDataSink*>( aSink ); |
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93 iRtpDataSink = static_cast<MMccRtpDataSink*>( tmp ); |
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94 } |
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95 else if(iIsMsrpSink) |
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96 { |
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97 CMccMsrpSink *tmp = static_cast<CMccMsrpSink*>( aSink ); |
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98 iMsrpDataSink = static_cast<CMccMsrpSink*>( tmp ); |
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99 } |
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100 else |
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101 { |
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102 DP_MSRP_WRITE("CMsrpPayloadFormatWrite::ConstructL Leaving: No RTPSink!"); |
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103 User::Leave(KErrNotSupported); |
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104 } |
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105 |
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106 // Initialize state machine |
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107 iStateMachine = CFormatEncodeStateMachine::NewL( this ); |
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108 |
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109 //init state machine to idle state |
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110 iStateMachine->ChangeState( EEncodeIdle ); |
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111 |
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112 // Construct Timer for redundant generations. |
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113 iTimer = CSendStateMachine::NewL( this ); |
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114 |
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115 } |
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116 |
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117 |
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118 // ----------------------------------------------------------------------------- |
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119 // CMsrpPayloadFormatWrite::NewL |
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120 // Two-phased constructor. |
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121 // ----------------------------------------------------------------------------- |
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122 // |
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123 CMsrpPayloadFormatWrite* CMsrpPayloadFormatWrite::NewL ( MDataSink* aSink ) |
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124 { |
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125 |
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126 |
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127 DP_MSRP_WRITE( "CMsrpPayloadFormatWrite::NewL" ); |
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128 __ASSERT_ALWAYS( aSink, User::Leave( KErrArgument ) ); |
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129 |
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130 CMsrpPayloadFormatWrite* self = new (ELeave) CMsrpPayloadFormatWrite; |
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131 CleanupStack::PushL( self ); |
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132 self->ConstructL( aSink ); |
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133 CleanupStack::Pop( self ); |
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134 return self; |
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135 |
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136 } |
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137 |
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138 // Destructor |
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139 CMsrpPayloadFormatWrite::~CMsrpPayloadFormatWrite () |
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140 { |
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141 |
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142 if ( iStateMachine ) |
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143 { |
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144 iStateMachine->Cancel(); |
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145 delete iStateMachine; |
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146 } |
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147 |
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148 if(iTimer) |
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149 { |
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150 iTimer->Cancel(); |
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151 delete iTimer; |
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152 } |
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153 |
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154 |
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155 iRtpMediaClock = NULL; |
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156 iClip = NULL; |
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157 |
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158 delete iSourceBuffer; |
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159 delete iSinkBuffer; |
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160 delete iRedData; |
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161 delete iUserBuffer; |
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162 delete iBuf; |
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163 |
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164 } |
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165 |
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166 |
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167 // ----------------------------------------------------------------------------- |
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168 // CMsrpPayloadFormatWrite::SinkThreadLogon |
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169 // Passes the logon command to the sink clip |
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170 // ----------------------------------------------------------------------------- |
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171 // |
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172 TInt CMsrpPayloadFormatWrite::SinkThreadLogon(MAsyncEventHandler& aEventHandler) |
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173 { |
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174 DP_MSRP_WRITE("CMsrpPayloadFormatWrite::SinkThreadLogon"); |
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175 iClip->SinkThreadLogon( aEventHandler ); |
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176 return KErrNone; |
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177 } |
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178 |
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179 |
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180 // ----------------------------------------------------------------------------- |
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181 // CMsrpPayloadFormatWrite::SinkThreadLogoff |
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182 // Passes the logoff command to the sink clip |
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183 // ----------------------------------------------------------------------------- |
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184 void CMsrpPayloadFormatWrite::SinkThreadLogoff() |
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185 { |
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186 DP_MSRP_WRITE("CMsrpPayloadFormatWrite::SinkThreadLogoff"); |
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187 iClip->SinkThreadLogoff(); |
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188 } |
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189 |
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190 |
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191 // ----------------------------------------------------------------------------- |
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192 // CMsrpPayloadFormatWrite::CreateSinkBufferL |
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193 // Create a sink buffer |
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194 // ----------------------------------------------------------------------------- |
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195 // |
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196 CMMFBuffer* CMsrpPayloadFormatWrite::CreateSinkBufferL( TMediaId /*aMediaId*/, |
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197 TBool &aReference ) |
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198 { |
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199 |
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200 DP_MSRP_WRITE( "CMsrpPayloadFormatWrite::CreateSinkBufferL" ); |
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201 |
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202 /* TODO: Remove me when platform supports |
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203 if ( KUidMediaTypeText != aMediaId.iMediaType ) |
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204 { |
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205 User::Leave( KErrNotSupported ); |
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206 } |
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207 */ |
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208 aReference = ETrue; |
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209 return CreateSinkBufferOfSizeL( KMaxRTTChunkSize + KRedHeaderSize ); |
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210 |
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211 } |
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212 |
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213 // ----------------------------------------------------------------------------- |
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214 // CMsrpPayloadFormatWrite::CreateSinkBufferOfSizeL |
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215 // Create a sink buffer of the given size. |
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216 // ----------------------------------------------------------------------------- |
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217 // |
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218 CMMFDataBuffer* CMsrpPayloadFormatWrite::CreateSinkBufferOfSizeL( TUint aSize ) |
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219 { |
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220 |
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221 DP_MSRP_WRITE( "CMsrpPayloadFormatWrite::CreateSinkBufferOfSizeL" ); |
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222 |
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223 if ( !iSourceBuffer ) |
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224 { |
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225 iSourceBuffer = CMMFDataBuffer::NewL( aSize ); |
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226 iSourceBuffer->Data().FillZ( aSize ); |
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227 iSourceBuffer->SetRequestSizeL( aSize ); |
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228 } |
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229 |
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230 return iSourceBuffer; |
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231 |
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232 } |
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233 |
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234 // ----------------------------------------------------------------------------- |
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235 // CMsrpPayloadFormatWrite::EmptyBufferL |
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236 // Empty the given source buffer |
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237 // ----------------------------------------------------------------------------- |
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238 // |
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239 void CMsrpPayloadFormatWrite::EmptyBufferL( CMMFBuffer* aBuffer, |
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240 MDataSource* aSupplier, |
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241 TMediaId /*aMediaId*/ ) |
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242 { |
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243 |
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244 DP_MSRP_WRITE("CMsrpPayloadFormatWrite::EmptyBufferL"); |
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245 |
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246 __ASSERT_ALWAYS( aBuffer, User::Leave( KErrArgument ) ); |
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247 __ASSERT_ALWAYS ( aBuffer == iSourceBuffer, User::Leave( KErrArgument ) ); |
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248 __ASSERT_ALWAYS( aSupplier, User::Leave( KErrArgument ) ); |
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249 |
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250 // TODO: Remove me when platform supports |
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251 // __ASSERT_ALWAYS( KUidMediaTypeAudio == aMediaId.iMediaType, |
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252 // User::Leave( KErrNotSupported ) ); |
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253 |
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254 // Cancel timer, so timer does not interrupt our current sending. |
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255 // Timer enables empty blocks to be appended when redundancy is on. |
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256 iTimer->Cancel(); |
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257 |
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258 iDataPath = aSupplier; |
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259 iSourceBuffer = static_cast<CMMFDataBuffer*>( aBuffer ); |
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260 |
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261 if ( !iSinkBuffer ) |
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262 { |
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263 iStateMachine->ChangeState( ESourceBufferEmptied ); |
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264 return; |
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265 } |
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266 |
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267 if ( !iSinkBuffer->Data().Length() ) |
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268 { |
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269 //User::LeaveIfError( iRtpMediaClock->GetTimeStamp( iKey, iCurrentTimestamp ) ); |
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270 iSinkBuffer->SetTimeToPlay( TInt64( iCurrentTimestamp ) ); |
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271 iSinkBuffer->SetFrameNumber( aBuffer->FrameNumber() ); |
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272 } |
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273 |
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274 |
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275 // We signal StateMachine to ChangeState() |
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276 // this calls back EmptySourceBufferL |
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277 iStateMachine->ChangeState( EEmptySourceBuffer ); |
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278 |
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279 } |
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280 |
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281 |
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282 // ----------------------------------------------------------------------------- |
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283 // CMsrpPayloadFormatWrite::SetSinkDataTypeCode |
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284 // Set the sink data type to the given four CC code for the given media |
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285 // ----------------------------------------------------------------------------- |
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286 // |
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287 TInt CMsrpPayloadFormatWrite::SetSinkDataTypeCode( TFourCC aSinkFourCC, |
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288 TMediaId /*aMediaId*/ ) |
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289 { |
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290 DP_MSRP_WRITE("CMsrpPayloadFormatWrite::SetSinkDataTypeCode"); |
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291 /* TODO: Remove me when platform supports |
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292 if ( KUidMediaTypeText != aMediaId.iMediaType ) |
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293 { |
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294 User::Leave( KErrNotSupported ); |
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295 } |
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296 */ |
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297 iFourCC = aSinkFourCC; |
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298 return KErrNone; |
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299 |
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300 } |
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301 |
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302 |
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303 // ----------------------------------------------------------------------------- |
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304 // CMsrpPayloadFormatWrite::SinkDataTypeCode |
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305 // Return the sink data type (four CC code) for the given media ID |
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306 // ----------------------------------------------------------------------------- |
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307 // |
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308 TFourCC CMsrpPayloadFormatWrite::SinkDataTypeCode( TMediaId /*aMediaId*/ ) |
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309 { |
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310 DP_MSRP_WRITE("CMsrpPayloadFormatWrite::SinkDataTypeCode"); |
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311 /* TODO: Remove me when platform supports |
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312 if ( KUidMediaTypeText == aMediaId.iMediaType ) |
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313 { |
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314 return iFourCC; |
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315 } |
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316 else |
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317 { |
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318 return TFourCC(); //defaults to 'NULL' fourCC |
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319 } |
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320 */ |
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321 return iFourCC; |
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322 |
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323 } |
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324 |
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325 // ----------------------------------------------------------------------------- |
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326 // CMsrpPayloadFormatWrite::BufferEmptiedL |
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327 // Called after payload buffer is completely emptied by RtpDataSink. |
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328 // ----------------------------------------------------------------------------- |
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329 // |
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330 void CMsrpPayloadFormatWrite::BufferEmptiedL( CMMFBuffer* /*aBuffer*/ ) |
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331 { |
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332 DP_MSRP_WRITE( "CMsrpPayloadFormatWrite::BufferEmptiedL" ); |
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333 // nothing to be done |
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334 |
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335 //NOTE: 14.12.2007 - LeaveScan causes warning, but this is a interface method |
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336 } |
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337 |
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338 |
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339 // ----------------------------------------------------------------------------- |
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340 // CMsrpPayloadFormatWrite::FrameTimeInterval |
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341 // Return the frame time interval for the given media |
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342 // Return allways 0 |
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343 // ----------------------------------------------------------------------------- |
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344 // |
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345 TTimeIntervalMicroSeconds |
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346 CMsrpPayloadFormatWrite::FrameTimeInterval( TMediaId /*aMediaId*/ ) const |
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347 { |
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348 DP_MSRP_WRITE( "CMsrpPayloadFormatWrite::FrameTimeInterval" ); |
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349 return TTimeIntervalMicroSeconds( TInt64( 0 ) ); |
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350 } |
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351 |
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352 // ----------------------------------------------------------------------------- |
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353 // CMsrpPayloadFormatWrite::Duration |
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354 // Return the frame time interval for the given media |
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355 // NOT SUPPORTED |
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356 // ----------------------------------------------------------------------------- |
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357 // |
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358 TTimeIntervalMicroSeconds |
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359 CMsrpPayloadFormatWrite::Duration( TMediaId /*aMediaType*/ ) const |
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360 { |
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361 DP_MSRP_WRITE( "CMsrpPayloadFormatWrite::Duration" ); |
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362 return TTimeIntervalMicroSeconds( TInt64( 0 ) ); |
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363 } |
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364 |
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365 |
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366 // ----------------------------------------------------------------------------- |
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367 // CMsrpPayloadFormatWrite::EmptySourceBufferL |
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368 // Empty the given sourcebuffer |
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369 // Sourcebuffer is given in iSourceBuffer |
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370 // Called by StateMachine |
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371 // ----------------------------------------------------------------------------- |
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372 // |
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373 void CMsrpPayloadFormatWrite::EmptySourceBufferL() |
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374 { |
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375 |
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376 DP_MSRP_WRITE( "CMsrpPayloadFormatWrite::EmptySourceBufferL" ); |
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377 |
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378 const TDesC8& srcDes( iSourceBuffer->Data() ); |
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379 const TUint8* srcPtr = srcDes.Ptr(); |
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380 TInt length = iSourceBuffer->Data().Length(); |
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381 |
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382 if ( iSourceBuffer->Data().Length() ) |
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383 { |
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384 |
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385 if( KMaxRTTChunkSize < length ) |
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386 { |
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387 DP_MSRP_WRITE( "ERR - RTT Payload Length exceeded MaxChunkSize" ); |
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388 User::Leave(KErrArgument); |
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389 } |
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390 |
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391 TBuf16<KMaxRTTChunkSize> unicode; |
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392 User::LeaveIfError( |
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393 CnvUtfConverter::ConvertToUnicodeFromUtf8(unicode, TPtrC8(srcPtr))); |
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394 |
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395 //buffer the user data |
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396 TStringElement buffer; |
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397 buffer.iData = unicode; |
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398 iUserBuffer->AppendL(buffer); |
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399 |
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400 FormUserDataL(); |
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401 ForwardDataL(); |
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402 |
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403 } |
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404 } |
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405 |
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406 |
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407 // ----------------------------------------------------------------------------- |
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408 // CMsrpPayloadFormatWrite::TimerExpiredL() |
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409 // Sends Redundant data after buffer period, if no user data |
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410 // appeared before that. |
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411 // ----------------------------------------------------------------------------- |
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412 // |
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413 void CMsrpPayloadFormatWrite::TimerExpiredL() |
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414 { |
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415 DP_MSRP_WRITE( "CMsrpPayloadFormatWrite::TimerExpiredL" ); |
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416 |
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417 // Because timer expired, we must send redundant data anyway |
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418 TStringElement nullData; |
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419 iUserBuffer->AppendL(nullData); |
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420 |
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421 FormUserDataL(); |
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422 //TODO:Handle other Errors if any |
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423 TInt err = SendRedundantDataL(); |
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424 if ( err != KErrNone ) |
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425 { |
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426 GotoIdleL(); |
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427 } |
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428 } |
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429 |
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430 |
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431 // ----------------------------------------------------------------------------- |
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432 // CMsrpPayloadFormatWrite::ForwardDataL() |
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433 // Sends Redundant data after buffer period, if no user data |
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434 // appeared before that. |
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435 // ----------------------------------------------------------------------------- |
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436 // |
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437 void CMsrpPayloadFormatWrite::ForwardDataL() |
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438 { |
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439 DP_MSRP_WRITE( "CMsrpPayloadFormatWrite::ForwardDataL" ); |
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440 |
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441 // Just Send Data |
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442 TInt err = SendRedundantDataL(); |
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443 |
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444 if ( err == KErrNone ) |
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445 { |
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446 iStateMachine->ChangeState( ESourceBufferEmptied ); |
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447 } |
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448 } |
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449 |
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450 |
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451 |
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452 // ----------------------------------------------------------------------------- |
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453 // CMsrpPayloadFormatWrite::SendRedundantDataL() |
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454 // A Method that sends the redundant buffer to Sink |
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455 // Calls CMsrpPayloadFormatWrite::DeliverPacketL |
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456 // ----------------------------------------------------------------------------- |
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457 // |
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458 TInt CMsrpPayloadFormatWrite::SendRedundantDataL() |
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459 { |
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460 DP_MSRP_WRITE( "CMsrpPayloadFormatWrite::SendRedundantDataL" ); |
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461 |
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462 TStringElement zero = iRedData->At(0); |
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463 TStringElement one = iRedData->At(1); |
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464 TStringElement two = iRedData->At(2); |
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465 |
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466 DP_MSRP_WRITE( "******************"); |
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467 DP_MSRP_WRITE2( "SendRedundantDataL - Zero Lenght: %d", zero.iData.Length() ); |
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468 DP_MSRP_WRITE2( "SendRedundantDataL - R1 Lenght: %d", one.iData.Length() ); |
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469 DP_MSRP_WRITE2( "SendRedundantDataL - R2 lenght: %d", two.iData.Length() ); |
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470 |
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471 if ( zero.iData.Length() == 0 && one.iData.Length() == 0 && two.iData.Length() == 0 ) |
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472 { |
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473 DP_MSRP_WRITE( "ERR - SendRedundantDataL - All Data is 0 lenght returning, KErrArgument!"); |
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474 return KErrArgument; |
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475 } |
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476 |
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477 TDes8& destDes( iSinkBuffer->Data() ); |
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478 |
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479 // Assemble redundant data |
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480 AssembleRedPacket(); |
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481 // Append current data to buffer |
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482 TPtr8 ptr = iBuf->Des(); |
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483 destDes.Append( ptr ); |
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484 |
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485 DP_MSRP_WRITE2( "CMsrpPayloadFormatWrite HeapData size: %d", ptr.Size() ); |
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486 DP_MSRP_WRITE2( "CMsrpPayloadFormatWrite HeapData Length: %d", ptr.Length() ); |
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487 DP_MSRP_WRITE ("CMsrpPayloadFormatWrite::DeliverPacketL, Packet Assembled" ); |
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488 DP_MSRP_WRITE( "******************"); |
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489 |
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490 DeliverPacketL( *iSinkBuffer ); |
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491 return KErrNone; |
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492 |
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493 } |
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494 |
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495 |
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496 // ----------------------------------------------------------------------------- |
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497 // CMsrpPayloadFormatWrite::FormUserDataL() |
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498 // |
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499 // A function that refreshes the RedundantData Buffer, so that |
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500 // We just can send data that is there. |
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501 // ----------------------------------------------------------------------------- |
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502 // |
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503 TInt CMsrpPayloadFormatWrite::FormUserDataL() |
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504 { |
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505 DP_MSRP_WRITE( "CMsrpPayloadFormatWrite::SendRedundantDataL" ); |
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506 |
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507 TStringElement primary; |
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508 |
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509 // if there is data |
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510 if ( iUserBuffer->Count() ) |
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511 { |
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512 primary = iUserBuffer->At(0); |
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513 } |
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514 |
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515 //set timestamp to primary data, this is used to calculate offset |
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516 primary.iTimestamp = iSinkBuffer->TimeToPlay().Int64(); |
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517 |
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518 // can now reset user buffer |
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519 iUserBuffer->Reset(); |
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520 |
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521 // get current redundants |
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522 TStringElement zero = iRedData->At(0); |
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523 TStringElement one = iRedData->At(1); |
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524 |
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525 // we can now reset old redundant also |
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526 iRedData->Reset(); |
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527 |
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528 // re-order redundant data, this must be always present, |
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529 // if redundancy changes on-fly from e.g 0 to 2 |
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530 iRedData->AppendL(primary); |
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531 iRedData->AppendL(zero); |
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532 iRedData->AppendL(one); |
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533 |
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534 return KErrNone; |
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535 } |
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536 |
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537 |
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538 // ----------------------------------------------------------------------------- |
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539 // CMsrpPayloadFormatWrite::GoToIdleL() |
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540 // |
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541 // When there is no data to send, we must go to idle mode |
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542 // ----------------------------------------------------------------------------- |
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543 // |
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544 void CMsrpPayloadFormatWrite::GotoIdleL() |
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545 { |
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546 |
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547 DP_MSRP_WRITE( "CMsrpPayloadFormatWrite::GoToIdleL()"); |
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548 //reset redundancy buffer |
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549 iRedData->Reset(); |
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550 //add default data |
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551 TStringElement empty; |
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552 iRedData->AppendL(empty); |
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553 iRedData->AppendL(empty); |
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554 iRedData->AppendL(empty); |
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555 iIdleMode = ETrue; |
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556 |
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557 //Set State that we are waiting for Data |
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558 iStateMachine->ChangeState( EWaitForSourceData ); |
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559 |
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560 // Cancel the Timer also |
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561 iTimer->Cancel(); |
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562 |
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563 } |
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564 |
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565 |
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566 // ----------------------------------------------------------------------------- |
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567 // CMsrpPayloadFormatWrite::AssembleRedPacket() |
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568 // |
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569 // In AssembleRedPacket we must assemble right kind of |
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570 // payload. We switch between redundant and plain data. |
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571 // If redundancy is used a redundant datapacket is generated! |
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572 // ----------------------------------------------------------------------------- |
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573 // |
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574 void CMsrpPayloadFormatWrite::AssembleRedPacket() |
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575 { |
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576 DP_MSRP_WRITE( "CMsrpPayloadFormatWrite::AssembleRedPacket" ); |
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577 switch( iCodecInfo.iRedundancyCount ) |
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578 { |
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579 case 0: |
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580 // just append the primary data and no headers |
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581 iBuf->Des().Append( iRedData->At(0).iData ); |
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582 break; |
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583 |
|
584 case 2: |
|
585 TInt err = GenerateRedPacket(); |
|
586 //TODO: Handle Errors in Creating packet |
|
587 break; |
|
588 |
|
589 } |
|
590 |
|
591 } |
|
592 |
|
593 |
|
594 // ----------------------------------------------------------------------------- |
|
595 // CMsrpPayloadFormatWrite::GenerateRedPacket() |
|
596 // |
|
597 // In GenerateRedPacket we must assemble right kind of |
|
598 // payload according to RFC 4103. Level 2 redundancy is used. |
|
599 // ----------------------------------------------------------------------------- |
|
600 // |
|
601 TInt CMsrpPayloadFormatWrite::GenerateRedPacket() |
|
602 { |
|
603 |
|
604 DP_MSRP_WRITE( "CMsrpPayloadFormatWrite::GenerateRedPacket()" ); |
|
605 |
|
606 TStringElement primary = iRedData->At(0); |
|
607 TStringElement r1 = iRedData->At(1); |
|
608 TStringElement r2 = iRedData->At(2); |
|
609 |
|
610 DP_MSRP_WRITE( "*******************************"); |
|
611 DP_MSRP_WRITE2("CMsrpPayloadFormatWrite::GenerateRedPacket PR Length: %d", primary.iData.Length() ); |
|
612 DP_MSRP_WRITE2("CMsrpPayloadFormatWrite::GenerateRedPacket R1 Length: %d", r1.iData.Length() ); |
|
613 DP_MSRP_WRITE2("CMsrpPayloadFormatWrite::GenerateRedPacket R2 Length: %d", r2.iData.Length() ); |
|
614 |
|
615 // pointer to data |
|
616 TUint8* dataP = iData; |
|
617 TInt count(0); |
|
618 //Fill Data with binary zeroes and zero old |
|
619 Mem::FillZ( dataP, KRedHeaderSize + KDataSize ); |
|
620 iBuf->Des().Zero(); |
|
621 |
|
622 |
|
623 /************* |
|
624 data[0] = 8 bit |
|
625 1 bit - redundancy marker bit 1 |
|
626 7 bit - payloadtype |
|
627 ***************/ |
|
628 |
|
629 iData[0] |= ( 1 << 7 ); |
|
630 iData[0] |= iCodecInfo.iRedundantPayload; |
|
631 //iData[0] |= 106; |
|
632 dataP += 1; |
|
633 count ++; |
|
634 |
|
635 |
|
636 /************** |
|
637 data[1-3] = 24 bit |
|
638 14 bit - timestamp offset of R2 |
|
639 10 bit - length of R2 |
|
640 ***************/ |
|
641 |
|
642 TUint32 temp(0); |
|
643 temp |= ( SetTimeOffset(primary.iTimestamp, r2.iTimestamp ) << 10 ); |
|
644 |
|
645 TUint16 size(r2.iData.Length()); |
|
646 temp |= size; |
|
647 |
|
648 Write24(dataP, temp); |
|
649 dataP += 3; |
|
650 count += 3; |
|
651 |
|
652 DP_MSRP_WRITE2( "CMsrpPayloadFormatWrite::GenerateRedPacket DATA[0]: %x", iData[0] ); |
|
653 DP_MSRP_WRITE2( "CMsrpPayloadFormatWrite::GenerateRedPacket DATA[1]: %x", iData[1] ); |
|
654 DP_MSRP_WRITE2( "CMsrpPayloadFormatWrite::GenerateRedPacket DATA[2]: %x", iData[2] ); |
|
655 DP_MSRP_WRITE2( "CMsrpPayloadFormatWrite::GenerateRedPacket DATA[3]: %x", iData[3] ); |
|
656 |
|
657 |
|
658 /************** |
|
659 data[4] = 8 bit |
|
660 1 bit - redundancy marker bit 1 |
|
661 7 bit - payloadtype |
|
662 ***************/ |
|
663 |
|
664 iData[4] |= ( 1 << 7 ); |
|
665 iData[4] |= iCodecInfo.iRedundantPayload; |
|
666 //iData[4] |= 106; |
|
667 dataP += 1; |
|
668 count ++; |
|
669 |
|
670 /************** |
|
671 data[5-7] = 24 bit |
|
672 14 bit - timestamp offset of R1 |
|
673 10 bit - length of R1 |
|
674 ***************/ |
|
675 |
|
676 temp = 0; |
|
677 temp |= ( SetTimeOffset(primary.iTimestamp, r1.iTimestamp ) << 10 ); |
|
678 |
|
679 size = r1.iData.Length(); |
|
680 temp |= size; |
|
681 |
|
682 Write24(dataP, temp); |
|
683 dataP += 3; |
|
684 count += 3; |
|
685 |
|
686 /************** |
|
687 data[8] = 8 bit |
|
688 1 bit - normal marker bit 0 |
|
689 7 bit - payloadtype |
|
690 ***************/ |
|
691 iData[8] |= ( 0 << 7 ); |
|
692 iData[8] |= iCodecInfo.iPayloadType; |
|
693 //iData[8] |= 105; |
|
694 dataP += 1; |
|
695 count ++; |
|
696 |
|
697 DP_MSRP_WRITE2( "CMsrpPayloadFormatWrite::GenerateRedPacket DATA[4]: %x", iData[4] ); |
|
698 DP_MSRP_WRITE2( "CMsrpPayloadFormatWrite::GenerateRedPacket DATA[5]: %x", iData[5] ); |
|
699 DP_MSRP_WRITE2( "CMsrpPayloadFormatWrite::GenerateRedPacket DATA[6]: %x", iData[6] ); |
|
700 DP_MSRP_WRITE2( "CMsrpPayloadFormatWrite::GenerateRedPacket DATA[7]: %x", iData[7] ); |
|
701 DP_MSRP_WRITE2( "CMsrpPayloadFormatWrite::GenerateRedPacket DATA[8]: %x", iData[8] ); |
|
702 DP_MSRP_WRITE( "*******************************"); |
|
703 |
|
704 //TODO: When IOP-Tests Are done, Write me properly using Append, or some other method |
|
705 TInt forHere = count+r2.iData.Length(); |
|
706 TInt index(0); |
|
707 if ( r2.iData.Length() ) |
|
708 { |
|
709 for ( TInt i = count; i < forHere; i++ ) |
|
710 { |
|
711 iData[i] = r2.iData[index]; |
|
712 index++, |
|
713 RDebug::Print( _L(" X Writing R2 DATA[i]: %x"), iData[i] ); |
|
714 } |
|
715 |
|
716 dataP += r2.iData.Length(); |
|
717 count += r2.iData.Length(); |
|
718 } |
|
719 |
|
720 |
|
721 forHere = count+r1.iData.Length(); |
|
722 index = 0; |
|
723 if ( r1.iData.Length() ) |
|
724 { |
|
725 for ( TInt i = count; i < forHere; i++ ) |
|
726 { |
|
727 iData[i] = r1.iData[index]; |
|
728 index++; |
|
729 RDebug::Print( _L(" X Writing R1 DATA[i]: %x"), iData[i] ); |
|
730 } |
|
731 |
|
732 dataP += r1.iData.Length(); |
|
733 count += r1.iData.Length(); |
|
734 } |
|
735 |
|
736 |
|
737 forHere = count+primary.iData.Length(); |
|
738 index = 0; |
|
739 if ( primary.iData.Length() ) |
|
740 { |
|
741 for ( TInt i = count; i < forHere; i++ ) |
|
742 { |
|
743 iData[i] = primary.iData[index]; |
|
744 index++; |
|
745 RDebug::Print( _L(" X Writing PRIMARY DATA[i]: %x"), iData[i] ); |
|
746 } |
|
747 |
|
748 dataP += primary.iData.Length(); |
|
749 count += primary.iData.Length(); |
|
750 } |
|
751 |
|
752 |
|
753 DP_MSRP_WRITE2( "CMsrpPayloadFormatWrite::GenerateRedPacket Writing Lenght: %d", count ); |
|
754 iBuf->Des().Append( iData, count ); |
|
755 return KErrNone; |
|
756 |
|
757 } |
|
758 |
|
759 |
|
760 // ----------------------------------------------------------------------------- |
|
761 // CMsrpPayloadFormatWrite::DeliverPacketL |
|
762 // Prepare the packet header and deliver the packet to the datasink. |
|
763 // ----------------------------------------------------------------------------- |
|
764 void CMsrpPayloadFormatWrite::DeliverPacketL( CMMFDataBuffer& aPayload ) |
|
765 { |
|
766 |
|
767 DP_MSRP_WRITE("CMsrpPayloadFormatWrite::DeliverPacketL"); |
|
768 |
|
769 if ( !iClip ) |
|
770 { |
|
771 User::Leave( KErrNotReady ); |
|
772 } |
|
773 const TMediaId mediaId( KUidMediaTypeAudio ); |
|
774 const TInt dataSize( aPayload.Data().Size() ); |
|
775 DP_MSRP_WRITE2( "MSRP Payload SIZE : %d", dataSize ); |
|
776 |
|
777 if ( dataSize ) |
|
778 { |
|
779 if (iIsMsrpSink) |
|
780 { |
|
781 iMsrpDataSink->EmptyBufferL( &aPayload, this, mediaId ); |
|
782 } |
|
783 } |
|
784 aPayload.Data().Zero(); |
|
785 } |
|
786 |
|
787 |
|
788 // ----------------------------------------------------------------------------- |
|
789 // CMsrpPayloadFormatWrite::SourceBufferEmptiedL |
|
790 // Handle the event that sourcebuffer has been emptied. |
|
791 // Sourcebuffer is given in "iSourceBuffer". |
|
792 // Called by the statemachine. |
|
793 // ----------------------------------------------------------------------------- |
|
794 void CMsrpPayloadFormatWrite::SourceBufferEmptiedL() |
|
795 { |
|
796 |
|
797 |
|
798 DP_MSRP_WRITE( "CMsrpPayloadFormatWrite::SourceBufferEmptiedL" ); |
|
799 |
|
800 //Empty all |
|
801 iSourceBuffer->Data().FillZ(); |
|
802 iSourceBuffer->Data().Zero(); |
|
803 iSinkBuffer->Data().FillZ(); |
|
804 iSinkBuffer->Data().Zero(); |
|
805 iBuf->Des().FillZ(); |
|
806 iBuf->Des().Zero(); |
|
807 iDataPath->BufferEmptiedL( iSourceBuffer ); |
|
808 |
|
809 //Finally we set the timer if we are in red mode |
|
810 switch( iCodecInfo.iRedundancyCount ) |
|
811 { |
|
812 case 0: |
|
813 // do nothing |
|
814 break; |
|
815 |
|
816 case 2: |
|
817 if ( iIdleMode ) |
|
818 { |
|
819 iTimer->Cancel(); |
|
820 iTimer->Start(); |
|
821 } |
|
822 break; |
|
823 } |
|
824 |
|
825 // we are no more in idle, |
|
826 iIdleMode = EFalse; |
|
827 |
|
828 } |
|
829 |
|
830 |
|
831 // ----------------------------------------------------------------------------- |
|
832 // CMsrpPayloadFormatWrite::SinkPrimeL |
|
833 // Prime the sink |
|
834 // ----------------------------------------------------------------------------- |
|
835 // |
|
836 void CMsrpPayloadFormatWrite::SinkPrimeL() |
|
837 { |
|
838 DP_MSRP_WRITE("CMsrpPayloadFormatWrite::SinkPrimeL()"); |
|
839 iClip->SinkPrimeL(); |
|
840 } |
|
841 |
|
842 |
|
843 // ----------------------------------------------------------------------------- |
|
844 // CMsrpPayloadFormatWrite::SinkPrimeL |
|
845 // Prime the sink |
|
846 // ----------------------------------------------------------------------------- |
|
847 // |
|
848 void CMsrpPayloadFormatWrite::CancelUlRequest() |
|
849 { |
|
850 |
|
851 DP_MSRP_WRITE("CMsrpPayloadFormatWrite::CancelUlRequest()" ); |
|
852 iStateMachine->Cancel(); |
|
853 iStateMachine->ChangeState( EEncodeIdle ); |
|
854 |
|
855 // Reset the payload buffer |
|
856 if ( iSinkBuffer ) |
|
857 { |
|
858 TDes8& dataDes = static_cast<CMMFDataBuffer*>( iSinkBuffer )->Data(); |
|
859 dataDes.SetLength( 0 ); |
|
860 } |
|
861 |
|
862 } |
|
863 |
|
864 |
|
865 // ----------------------------------------------------------------------------- |
|
866 // CMsrpPayloadFormatWrite::SinkPlayL |
|
867 // Start playing. |
|
868 // ----------------------------------------------------------------------------- |
|
869 // |
|
870 void CMsrpPayloadFormatWrite::SinkPlayL() |
|
871 { |
|
872 DP_MSRP_WRITE("CMsrpPayloadFormatWrite::SinkPlayL" ); |
|
873 // Allocate buffer for data transfer between |
|
874 // FormatWrite - MDataSink |
|
875 delete iSinkBuffer; |
|
876 iSinkBuffer = NULL; |
|
877 iSinkBuffer = CMMFDataBuffer::NewL( KRedHeaderSize + KDataSize ); |
|
878 |
|
879 // Start state machine |
|
880 iStateMachine->ChangeState( EWaitForSourceData ); |
|
881 |
|
882 iFirstPacketFinished = EFalse; |
|
883 |
|
884 // Start a new cycle of frame collecting |
|
885 if ( iSinkBuffer ) |
|
886 { |
|
887 iSinkBuffer->SetLastBuffer( EFalse ); |
|
888 } |
|
889 |
|
890 iClip->SinkPlayL(); |
|
891 } |
|
892 |
|
893 |
|
894 // ----------------------------------------------------------------------------- |
|
895 // CMsrpPayloadFormatWrite::SinkPauseL |
|
896 // Pause sink |
|
897 // ----------------------------------------------------------------------------- |
|
898 // |
|
899 void CMsrpPayloadFormatWrite::SinkPauseL() |
|
900 { |
|
901 DP_MSRP_WRITE("CMsrpPayloadFormatWrite::SinkPauseL" ); |
|
902 this->CancelUlRequest(); |
|
903 iClip->SinkPauseL(); |
|
904 |
|
905 } |
|
906 |
|
907 // ----------------------------------------------------------------------------- |
|
908 // CMsrpPayloadFormatWrite::SinkStopL |
|
909 // Stop sink |
|
910 // ----------------------------------------------------------------------------- |
|
911 // |
|
912 void CMsrpPayloadFormatWrite::SinkStopL() |
|
913 { |
|
914 DP_MSRP_WRITE("CMsrpPayloadFormatWrite::SinkPauseL" ); |
|
915 // Stop state machine |
|
916 this->CancelUlRequest(); |
|
917 iClip->SinkStopL(); |
|
918 } |
|
919 |
|
920 |
|
921 // --------------------------------------------------------------------------- |
|
922 // CMsrpPayloadFormatWrite::ConfigurePayloadFormatL |
|
923 // Configure payload encoding parameters |
|
924 // --------------------------------------------------------------------------- |
|
925 // |
|
926 void CMsrpPayloadFormatWrite::ConfigurePayloadFormatL( const TDesC8& aConfigParams, |
|
927 CMccRtpMediaClock& /*aClock*/ ) |
|
928 { |
|
929 DP_MSRP_WRITE( "CMsrpPayloadFormatWrite::ConfigurePayloadFormatL()" ); |
|
930 |
|
931 //Check that buffer is same size, so we can assume data is correct type |
|
932 __ASSERT_ALWAYS( aConfigParams.Size() == sizeof( TMccCodecInfo ), |
|
933 User::Leave( KErrArgument ) ); |
|
934 |
|
935 //instantiate correct CodecInfo Structure |
|
936 TMccCodecInfoBuffer infoBuffer; |
|
937 infoBuffer.Copy( aConfigParams ); |
|
938 TMccCodecInfo codecInfo( infoBuffer() ); |
|
939 |
|
940 if ( !codecInfo.iIsUpdate ) |
|
941 { |
|
942 |
|
943 //iCodecInfo = codecInfo; |
|
944 //iRtpMediaClock = &aClock; |
|
945 //iKey = iRtpMediaClock->RegisterMediaFormat( KDefaultSampleRate, iCodecInfo.iHwFrameTime ); |
|
946 } |
|
947 else |
|
948 { |
|
949 UpdateConfigurationL( aConfigParams ); |
|
950 } |
|
951 |
|
952 } |
|
953 |
|
954 // ----------------------------------------------------------------------------- |
|
955 // CMsrpPayloadFormatWrite::UpdateConfigurationL |
|
956 // Update payload encoding parameters |
|
957 // ----------------------------------------------------------------------------- |
|
958 // |
|
959 void CMsrpPayloadFormatWrite::UpdateConfigurationL( const TDesC8& aConfigParams ) |
|
960 { |
|
961 DP_MSRP_WRITE( "CMsrpPayloadFormatWrite::UpdateConfigurationL" ); |
|
962 __ASSERT_ALWAYS( aConfigParams.Size() == sizeof( TMccCodecInfo ), |
|
963 User::Leave( KErrArgument ) ); |
|
964 |
|
965 TMccCodecInfoBuffer infoBuffer; |
|
966 infoBuffer.Copy( aConfigParams ); |
|
967 TMccCodecInfo codecInfo = infoBuffer(); |
|
968 |
|
969 iCodecInfo = codecInfo; |
|
970 //iCodecInfo.iPtime = codecInfo.iPtime; |
|
971 //iCodecInfo.iRedundancyCount = 0; |
|
972 |
|
973 //iCodecInfo.iPayloadType = codecInfo.iPayloadType; |
|
974 //iCodecInfo.iRedundancyCount = codecInfo.iRedundancyCount; |
|
975 //iCodecInfo.iCodecMode = codecInfo.iCodecMode; |
|
976 |
|
977 //TODO: move me to right variable and update buffering time |
|
978 //iTimer->Cancel(); |
|
979 //iTimer->SetTimeOut( iCodecInfo.iCodecMode * 1000); |
|
980 |
|
981 // Allocate buffer for data transfer between |
|
982 // FormatWrite - MDataSink |
|
983 delete iSinkBuffer; |
|
984 iSinkBuffer = NULL; |
|
985 iSinkBuffer = CMMFDataBuffer::NewL( KRedHeaderSize + KDataSize ); |
|
986 |
|
987 } |
|
988 |
|
989 |
|
990 |
|
991 // ========================== HELPER FUNCTIONS ========================= |
|
992 // ========================== ========================= |
|
993 // ========================== ========================= |
|
994 |
|
995 // ----------------------------------------------------------------------------- |
|
996 // CMsrpPayloadFormatWrite::Write24 |
|
997 // Simple helper function, that writes a 24-bit value to databuffer, |
|
998 // using pointer |
|
999 // ----------------------------------------------------------------------------- |
|
1000 // |
|
1001 void CMsrpPayloadFormatWrite::Write24( TUint8* const aPointer, TUint32 aValue ) |
|
1002 { |
|
1003 DP_MSRP_WRITE( "CMsrpPayloadFormatWrite::Write24" ); |
|
1004 aPointer[0] = static_cast<TUint8>( ( aValue & 0xFF0000 ) >> 16 ); |
|
1005 aPointer[1] = static_cast<TUint8>( ( aValue & 0x00FF00 ) >> 8 ); |
|
1006 aPointer[2] = static_cast<TUint8>( aValue & 0x0000FF ); |
|
1007 } |
|
1008 |
|
1009 |
|
1010 // ----------------------------------------------------------------------------- |
|
1011 // CMsrpPayloadFormatWrite::Write32 |
|
1012 // Simple helper function, that writes a 32-bit value to databuffer, |
|
1013 // using pointer |
|
1014 // ----------------------------------------------------------------------------- |
|
1015 // |
|
1016 void CMsrpPayloadFormatWrite::Write32( TUint8* const aPointer, TUint32 aValue ) |
|
1017 { |
|
1018 DP_MSRP_WRITE( "CMsrpPayloadFormatWrite::Write32" ); |
|
1019 aPointer[0] = static_cast<TUint8>( ( aValue & 0xFF000000 ) >> 24 ); |
|
1020 aPointer[1] = static_cast<TUint8>( ( aValue & 0x00FF0000 ) >> 16 ); |
|
1021 aPointer[2] = static_cast<TUint8>( ( aValue & 0x0000FF00 ) >> 8 ); |
|
1022 aPointer[3] = static_cast<TUint8>( aValue & 0x000000FF ); |
|
1023 } |
|
1024 |
|
1025 |
|
1026 // ----------------------------------------------------------------------------- |
|
1027 // CMsrpPayloadFormatWrite::SetTimeOffset |
|
1028 // Calculates TimeOffset to RedundancyHeader according to |
|
1029 // RFC 4103. Actually RFC 4103 does not accurately state how ( and where ) |
|
1030 // timeoffset should be calculated. This calculation is based conversations |
|
1031 // with authors of RFC 4103 |
|
1032 // ----------------------------------------------------------------------------- |
|
1033 // |
|
1034 TUint16 CMsrpPayloadFormatWrite::SetTimeOffset( TInt64& aPrim, TInt64& aSecond ) |
|
1035 { |
|
1036 DP_MSRP_WRITE( "CMsrpPayloadFormatWrite::SetTimeOffset" ); |
|
1037 TInt pOffset = aPrim - aSecond; |
|
1038 TUint16 aRet = TUint16(pOffset) & KHighestTimeStampOffset; |
|
1039 if( aRet > KHighestTimeStampOffset ) |
|
1040 { |
|
1041 aRet = KHighestTimeStampOffset; |
|
1042 } |
|
1043 return aRet; |
|
1044 } |
|
1045 |
|
1046 |
|
1047 TStringElement::TStringElement() |
|
1048 { |
|
1049 } |
|
1050 |
|
1051 |
|
1052 // End of File |