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1 /* |
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2 * Copyright (c) 2002-2004 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: RTCP Receiver class from RTP Datasource |
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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 |
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21 // INCLUDE FILES |
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22 #include "mccrtcpreceiver.h" |
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23 #include "mccdef.h" |
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24 #include "mccinternaldef.h" |
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25 #include "mccsubcontrollerlogs.h" |
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26 #include "mccinternalevents.h" |
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27 #include "mccresources.h" |
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28 #include "mccrtpmanager.h" |
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29 |
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30 |
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31 // EXTERNAL DATA STRUCTURES |
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32 |
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33 // EXTERNAL FUNCTION PROTOTYPES |
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34 |
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35 // CONSTANTS |
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36 |
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37 // MACROS |
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38 |
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39 // LOCAL CONSTANTS AND MACROS |
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40 |
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41 // MODULE DATA STRUCTURES |
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42 |
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43 // LOCAL FUNCTION PROTOTYPES |
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44 |
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45 // FORWARD DECLARATIONS |
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46 |
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47 |
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48 // ============================= LOCAL FUNCTIONS =============================== |
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49 |
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50 |
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51 // ============================ MEMBER FUNCTIONS =============================== |
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52 |
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53 // ----------------------------------------------------------------------------- |
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54 // CMccRtcpReceiver::CMccRtcpReceiver |
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55 // C++ default constructor can NOT contain any code, that |
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56 // might leave. |
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57 // ----------------------------------------------------------------------------- |
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58 // |
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59 CMccRtcpReceiver::CMccRtcpReceiver( |
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60 CMccRtpManager* aRtpManager, |
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61 MAsyncEventHandler& aEventHandler, |
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62 MMccResources& aMccResources, |
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63 CRtpAPI& aRtpAPI ) : |
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64 iStream( KNullId ), |
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65 iEventHandler( aEventHandler ), |
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66 iMccResources( aMccResources ), |
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67 iRtpAPI( aRtpAPI ), |
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68 iSessionId( KNullId ), |
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69 iRtpManager( aRtpManager ) |
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70 { |
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71 |
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72 } |
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73 |
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74 // ----------------------------------------------------------------------------- |
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75 // CMccRtcpReceiver::NewL |
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76 // Two-phased constructor. |
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77 // ----------------------------------------------------------------------------- |
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78 // |
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79 CMccRtcpReceiver* CMccRtcpReceiver::NewL( |
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80 CMccRtpManager* aRtpManager, |
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81 MAsyncEventHandler& aEventHandler, |
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82 MMccResources& aMccResources, |
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83 CRtpAPI& aRtpAPI ) |
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84 { |
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85 CMccRtcpReceiver* self = new( ELeave ) CMccRtcpReceiver( aRtpManager, |
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86 aEventHandler, |
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87 aMccResources, |
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88 aRtpAPI ); |
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89 CleanupStack::PushL( self ); |
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90 self->ConstructL(); |
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91 CleanupStack::Pop( self ); |
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92 return self; |
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93 } |
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94 |
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95 // ----------------------------------------------------------------------------- |
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96 // CMccRtcpReceiver::ConstructL |
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97 // Symbian 2nd phase constructor can leave. |
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98 // ----------------------------------------------------------------------------- |
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99 // |
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100 void CMccRtcpReceiver::ConstructL( ) |
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101 { |
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102 } |
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103 |
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104 // ----------------------------------------------------------------------------- |
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105 // CMccRtcpReceiver::~CMccRtcpReceiver |
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106 // Destructor |
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107 // ----------------------------------------------------------------------------- |
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108 // |
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109 CMccRtcpReceiver::~CMccRtcpReceiver() |
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110 { |
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111 __SUBCONTROLLER( "CMccRtcpReceiver::~CMccRtcpReceiver()" ) |
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112 |
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113 if ( iSessionId != KNullId ) |
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114 { |
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115 iRtpAPI.SetNonRTPDataObserver( iSessionId, NULL ); |
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116 } |
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117 } |
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118 |
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119 // ----------------------------------------------------------------------------- |
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120 // CMccRtcpReceiver::HandleReceiving |
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121 // ----------------------------------------------------------------------------- |
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122 // |
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123 TInt CMccRtcpReceiver::HandleReceiving( TRtpId aSessionId, TBool aEnableReceiving ) |
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124 { |
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125 __SUBCONTROLLER( "CMccRtcpReceiver::HandleReceiving()" ) |
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126 TInt err = KErrNone; |
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127 |
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128 // TBD! Never disable (maybe disabling is needed in future) |
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129 // |
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130 aEnableReceiving = ETrue; |
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131 |
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132 if ( iEnableRtcp != aEnableReceiving ) |
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133 { |
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134 iSessionId = aSessionId; |
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135 iEnableRtcp = aEnableReceiving; |
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136 if ( iEnableRtcp ) |
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137 { |
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138 __SUBCONTROLLER( "CMccRtcpReceiver::HandleReceiving(), enabling" ) |
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139 err = iRtpAPI.RegisterRtcpObserver( iSessionId, *this ); |
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140 if ( !err ) |
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141 { |
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142 err = iRtpAPI.SetNonRTPDataObserver( iSessionId, this ); |
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143 } |
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144 } |
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145 else |
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146 { |
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147 __SUBCONTROLLER( "CMccRtcpReceiver::HandleReceiving(), disabling" ) |
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148 iRtpAPI.UnregisterRtcpObserver( iSessionId ); |
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149 iRtpAPI.SetNonRTPDataObserver( iSessionId, NULL ); |
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150 } |
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151 } |
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152 return err; |
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153 } |
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154 |
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155 // ----------------------------------------------------------------------------- |
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156 // CMccRtcpReceiver::SdesReceived() |
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157 // From MRtcpObserver |
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158 // ----------------------------------------------------------------------------- |
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159 // |
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160 void CMccRtcpReceiver::SdesReceived( TRtpSSRC aSSRC, |
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161 const TRtpSdesParams& aParams ) |
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162 { |
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163 __SUBCONTROLLER_INT1( "CMccRtcpReceiver::SdesReceived() SSRC:", aSSRC ) |
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164 |
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165 // Take copies of sdes member data and create new sdes object which will point |
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166 // to those new data. This will prevent data loss while transfering the event |
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167 // through IPC. |
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168 |
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169 TPckgBuf<TRtpSdesParams> tempSdesPackage( aParams ); |
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170 |
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171 TInt sdesPackageLen( sizeof( tempSdesPackage ) ); |
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172 |
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173 TInt sdesLen = sdesPackageLen + |
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174 aParams.iCName.Length() + |
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175 aParams.iUserName.Length() + |
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176 aParams.iEmail.Length() + |
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177 aParams.iPhoneNumber.Length() + |
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178 aParams.iLocation.Length() + |
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179 aParams.iSwToolName.Length() + |
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180 aParams.iNoticeStatus.Length() + |
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181 aParams.iPrivate.Length(); |
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182 |
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183 if ( sdesLen <= KMccMaxRtcpPacketDataLength ) |
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184 { |
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185 ClearEventData(); |
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186 |
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187 TRtpSdesParams sdes; |
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188 iEventData.iSsrc = aSSRC; |
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189 |
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190 TUint8* currentPtr = const_cast<TUint8*>( iEventData.iRtcpPacketData.Ptr() ); |
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191 currentPtr += sdesPackageLen; |
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192 |
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193 iEventData.iRtcpPacketData.SetLength( sdesPackageLen ); |
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194 |
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195 TInt currentPos( sdesPackageLen ); |
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196 |
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197 DoSdesMemberCopy( sdes.iCName, ¤tPtr, currentPos, |
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198 iEventData.iRtcpPacketData, aParams.iCName ); |
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199 |
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200 DoSdesMemberCopy( sdes.iUserName, ¤tPtr, currentPos, |
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201 iEventData.iRtcpPacketData, aParams.iUserName ); |
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202 |
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203 DoSdesMemberCopy( sdes.iEmail, ¤tPtr, currentPos, |
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204 iEventData.iRtcpPacketData, aParams.iEmail ); |
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205 |
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206 DoSdesMemberCopy( sdes.iPhoneNumber, ¤tPtr, currentPos, |
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207 iEventData.iRtcpPacketData, aParams.iPhoneNumber ); |
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208 |
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209 DoSdesMemberCopy( sdes.iLocation, ¤tPtr, currentPos, |
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210 iEventData.iRtcpPacketData, aParams.iLocation ); |
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211 |
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212 DoSdesMemberCopy( sdes.iSwToolName, ¤tPtr, currentPos, |
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213 iEventData.iRtcpPacketData, aParams.iSwToolName ); |
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214 |
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215 DoSdesMemberCopy( sdes.iNoticeStatus, ¤tPtr, currentPos, |
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216 iEventData.iRtcpPacketData, aParams.iNoticeStatus ); |
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217 |
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218 DoSdesMemberCopy( sdes.iPrivate, ¤tPtr, currentPos, |
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219 iEventData.iRtcpPacketData, aParams.iPrivate ); |
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220 |
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221 // Finally copy sdes into beginning of the data |
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222 TPckgBuf<TRtpSdesParams> sdesPackage( sdes ); |
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223 iEventData.iRtcpPacketData.Insert( 0, sdesPackage ); |
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224 |
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225 SendRtcpEventToClient( KRtcpSdesPacket, ETrue, EFalse ); |
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226 } |
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227 } |
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228 |
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229 // ----------------------------------------------------------------------------- |
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230 // CMccRtcpReceiver::ByeReceived() |
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231 // From MRtcpObserver |
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232 // ----------------------------------------------------------------------------- |
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233 // |
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234 void CMccRtcpReceiver::ByeReceived( TRtpId aStreamId, |
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235 TRtpSSRC aSSRC, |
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236 const TDesC8& aReason ) |
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237 { |
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238 __SUBCONTROLLER_INT2( "CMccRtcpReceiver::ByeReceived() STREAM:", aStreamId, |
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239 "SSRC:", aSSRC ) |
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240 |
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241 iStream = aStreamId; |
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242 |
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243 SendRtcpEventWithPacketDataToClient( KRtcpByePacket, aSSRC, aReason, ETrue ); |
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244 } |
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245 |
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246 // ----------------------------------------------------------------------------- |
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247 // CMccRtcpReceiver::AppReceived() |
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248 // From MRtcpObserver |
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249 // ----------------------------------------------------------------------------- |
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250 // |
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251 void CMccRtcpReceiver::AppReceived( TRtpId aStreamId, |
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252 TRtpSSRC aSSRC, |
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253 const TRtcpApp& aApp ) |
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254 { |
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255 __SUBCONTROLLER_INT2( "CMccRtcpReceiver::AppReceived() STREAM:", aStreamId, |
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256 "SSRC:", aSSRC ) |
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257 |
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258 iStream = aStreamId; |
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259 |
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260 TPckgBuf<TRtcpApp> app( aApp ); |
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261 SendRtcpEventWithPacketDataToClient( KRtcpAppPacket, aSSRC, app, ETrue ); |
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262 } |
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263 |
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264 // ----------------------------------------------------------------------------- |
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265 // CMccRtcpReceiver::SrReceived() |
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266 // From MRtcpObserver |
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267 // ----------------------------------------------------------------------------- |
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268 // |
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269 void CMccRtcpReceiver::SrReceived( TRtpId aStreamId, |
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270 TRtpSSRC aSSRC, |
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271 const TTimeStamps& aTimeStamps ) |
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272 { |
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273 __SUBCONTROLLER_INT2( "CMccRtcpReceiver::SrReceived() STREAM:", aStreamId, |
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274 "SSRC:", aSSRC ) |
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275 |
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276 iStream = aStreamId; |
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277 |
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278 ClearEventData(); |
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279 |
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280 iEventData.iSsrc = aSSRC; |
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281 iEventData.iTimeStamps = aTimeStamps; |
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282 iRtpAPI.GetStreamStatistics( iStream, iEventData.iStats ); |
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283 |
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284 __SUBCONTROLLER_INT1( "CMccRtcpReceiver::SrReceived() packets sent:", iEventData.iStats.iNumPacketsSent ) |
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285 __SUBCONTROLLER_INT1( "CMccRtcpReceiver::SrReceived() octets sent:", iEventData.iStats.iCumNumOctetsSent ) |
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286 __SUBCONTROLLER_INT1( "CMccRtcpReceiver::SrReceived() roundtrip delay:", iEventData.iStats.iRoundTripDelay ) |
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287 __SUBCONTROLLER_INT1( "CMccRtcpReceiver::SrReceived() tx bandwidth:", iEventData.iStats.iTxBandwidth ) |
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288 __SUBCONTROLLER_INT1( "CMccRtcpReceiver::SrReceived() packets lost:", iEventData.iStats.iCumNumPacketsLost ) |
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289 __SUBCONTROLLER_INT1( "CMccRtcpReceiver::SrReceived() fractions lost:", iEventData.iStats.iFractionLost ) |
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290 __SUBCONTROLLER_INT1( "CMccRtcpReceiver::SrReceived() arrival jitter:", iEventData.iStats.iArrivalJitter ) |
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291 __SUBCONTROLLER_INT1( "CMccRtcpReceiver::SrReceived() rx bandwidth:", iEventData.iStats.iRxBandwidth ) |
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292 __SUBCONTROLLER_INT1( "CMccRtcpReceiver::SrReceived() channelbuffer size:", iEventData.iStats.iChannelBufferSize ) |
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293 __SUBCONTROLLER_INT1( "CMccRtcpReceiver::SrReceived() ntp timestamp sec:", iEventData.iStats.iNTPTimeStampSec ) |
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294 __SUBCONTROLLER_INT1( "CMccRtcpReceiver::SrReceived() ntp timestamp frac:", iEventData.iStats.iNTPTimeStampFrac ) |
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295 __SUBCONTROLLER_INT1( "CMccRtcpReceiver::SrReceived() timestamp:", iEventData.iStats.iTimeStamp ) |
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296 |
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297 SendRtcpEventToClient( KRtcpSrPacket, EFalse, ETrue ); |
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298 } |
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299 |
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300 // ----------------------------------------------------------------------------- |
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301 // CMccRtcpReceiver::RrReceived() |
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302 // From MRtcpObserver |
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303 // ----------------------------------------------------------------------------- |
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304 // |
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305 void CMccRtcpReceiver::RrReceived( TRtpId aStreamId, TRtpSSRC aSSRC ) |
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306 { |
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307 __SUBCONTROLLER_INT2( "CMccRtcpReceiver::RrReceived() STREAM:", aStreamId, |
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308 "SSRC:", aSSRC ) |
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309 |
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310 iStream = aStreamId; |
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311 |
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312 ClearEventData(); |
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313 |
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314 iEventData.iSsrc = aSSRC; |
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315 iRtpAPI.GetStreamStatistics( iStream, iEventData.iStats ); |
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316 |
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317 __SUBCONTROLLER_INT1( "CMccRtcpReceiver::RrReceived() packets sent:", iEventData.iStats.iNumPacketsSent ) |
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318 __SUBCONTROLLER_INT1( "CMccRtcpReceiver::RrReceived() octets sent:", iEventData.iStats.iCumNumOctetsSent ) |
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319 __SUBCONTROLLER_INT1( "CMccRtcpReceiver::RrReceived() roundtrip delay:", iEventData.iStats.iRoundTripDelay ) |
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320 __SUBCONTROLLER_INT1( "CMccRtcpReceiver::RrReceived() tx bandwidth:", iEventData.iStats.iTxBandwidth ) |
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321 __SUBCONTROLLER_INT1( "CMccRtcpReceiver::RrReceived() packets lost:", iEventData.iStats.iCumNumPacketsLost ) |
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322 __SUBCONTROLLER_INT1( "CMccRtcpReceiver::RrReceived() fractions lost:", iEventData.iStats.iFractionLost ) |
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323 __SUBCONTROLLER_INT1( "CMccRtcpReceiver::RrReceived() arrival jitter:", iEventData.iStats.iArrivalJitter ) |
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324 __SUBCONTROLLER_INT1( "CMccRtcpReceiver::RrReceived() rx bandwidth:", iEventData.iStats.iRxBandwidth ) |
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325 __SUBCONTROLLER_INT1( "CMccRtcpReceiver::RrReceived() channelbuffer size:", iEventData.iStats.iChannelBufferSize ) |
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326 __SUBCONTROLLER_INT1( "CMccRtcpReceiver::RrReceived() ntp timestamp sec:", iEventData.iStats.iNTPTimeStampSec ) |
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327 __SUBCONTROLLER_INT1( "CMccRtcpReceiver::RrReceived() ntp timestamp frac:", iEventData.iStats.iNTPTimeStampFrac ) |
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328 __SUBCONTROLLER_INT1( "CMccRtcpReceiver::RrReceived() timestamp:", iEventData.iStats.iTimeStamp ) |
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329 |
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330 SendRtcpEventToClient( KRtcpRrPacket, EFalse, ETrue ); |
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331 } |
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332 |
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333 // ----------------------------------------------------------------------------- |
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334 // CMccRtcpReceiver::NonRTPDataReceived() |
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335 // From MRtcpObserver |
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336 // ----------------------------------------------------------------------------- |
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337 // |
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338 void CMccRtcpReceiver::NonRTPDataReceived( TUint /*aPort*/, |
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339 TBool aRTPPort, |
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340 const TDesC8& aNonRTPData ) |
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341 { |
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342 __SUBCONTROLLER( "CMCCRtcpReceiver::NonRTPDataReceived()" ) |
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343 |
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344 // Currently, Non-RTP data is accepted only on the RTCP port |
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345 if ( !aRTPPort ) |
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346 { |
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347 SendRtcpEventWithPacketDataToClient( KRtcpPacketUndefined, |
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348 0, |
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349 aNonRTPData, |
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350 EFalse ); |
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351 } |
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352 } |
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353 |
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354 // ----------------------------------------------------------------------------- |
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355 // CMccRtcpEvent::SendRtcpEventWithPacketDataToClient() |
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356 // Constructs RTCP event containing RTCP packet data and sends the event to |
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357 // client side |
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358 // ----------------------------------------------------------------------------- |
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359 // |
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360 TInt CMccRtcpReceiver::SendRtcpEventWithPacketDataToClient( |
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361 TMccRtcpPacketType aPacketType, |
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362 const TRtpSSRC& aSSRC, |
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363 const TDesC8& aData, |
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364 TBool aResolveEndpointBySsrc ) |
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365 { |
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366 if ( aData.Length() > KMccMaxRtcpPacketDataLength ) |
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367 { |
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368 __SUBCONTROLLER( "CMCCRtcpReceiver::SendRtcpEventWithPacketDataToClient(), data size too big ") |
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369 |
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370 return KErrOverflow; |
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371 } |
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372 |
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373 ClearEventData(); |
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374 |
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375 iEventData.iSsrc = aSSRC; |
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376 iEventData.iRtcpPacketData.Copy( aData ); |
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377 |
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378 SendRtcpEventToClient( aPacketType, aResolveEndpointBySsrc, EFalse ); |
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379 |
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380 return KErrNone; |
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381 } |
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382 |
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383 // ----------------------------------------------------------------------------- |
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384 // CMccRtcpEvent::SendRtcpEventToClient() |
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385 // Sends the RTCP event to client side |
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386 // ----------------------------------------------------------------------------- |
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387 // |
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388 void CMccRtcpReceiver::SendRtcpEventToClient( |
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389 TMccRtcpPacketType aPacketType, |
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390 TBool aResolveEndpointBySsrc, |
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391 TBool aResolveEndpointByRtpStreamId ) |
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392 { |
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393 __SUBCONTROLLER_INT1( "CMccRtcpReceiver::SendRtcpEventToClient() packetType:", aPacketType ) |
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394 |
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395 TUint32 endpointId( 0 ); |
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396 |
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397 if ( aResolveEndpointBySsrc ) |
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398 { |
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399 __SUBCONTROLLER( "CMCCRtcpReceiver::SendRtcpEventToClient(), resolve endpointId by ssrc" ) |
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400 MDataSource* source = 0; |
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401 MDataSink* sink = 0; |
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402 if ( !iMccResources.FindNetworkResourceByRtpSsrc( iEventData.iSsrc, &source, &sink ) ) |
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403 { |
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404 __SUBCONTROLLER( "CMCCRtcpReceiver::SendRtcpEventToClient(), resolved" ) |
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405 endpointId = source != 0 ? MCC_ENDPOINT_ID( source ) : |
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406 MCC_ENDPOINT_ID( sink ); |
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407 } |
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408 } |
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409 |
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410 if ( aResolveEndpointByRtpStreamId ) |
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411 { |
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412 __SUBCONTROLLER( "CMCCRtcpReceiver::SendRtcpEventToClient(), resolve endpointId by streamId" ) |
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413 MDataSource* source = 0; |
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414 MDataSink* sink = 0; |
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415 if ( !iMccResources.FindNetworkResourceByRtpStreamId |
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416 ( iRtpManager->MccSessionId(), iStream, &source, &sink ) ) |
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417 { |
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418 __SUBCONTROLLER( "CMCCRtcpReceiver::SendRtcpEventToClient(), resolved" ) |
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419 endpointId = source != 0 ? MCC_ENDPOINT_ID( source ) : |
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420 MCC_ENDPOINT_ID( sink ); |
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421 } |
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422 } |
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423 |
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424 iEventData.iRtcpPacketType = aPacketType; |
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425 |
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426 TMccEvent event; |
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427 event.iEventCategory = KMccEventCategoryRtcp; |
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428 event.iEventType = KMccRtcpReceived; |
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429 event.iEndpointId = endpointId; |
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430 |
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431 // Save some stack memory |
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432 { |
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433 event.iEventData.Copy( TMccRtcpEventDataPackage( iEventData ) ); |
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434 } |
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435 |
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436 TMccInternalEvent internalEvent( KMccRtpSourceUid, |
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437 EMccInternalEventNone, |
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438 event ); |
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439 |
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440 // Stream id, link id and session id will be filled on the way up |
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441 iEventHandler.SendEventToClient( internalEvent ); |
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442 } |
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443 |
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444 // ----------------------------------------------------------------------------- |
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445 // CMccRtcpEvent::DoSdesMemberCopy() |
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446 // ----------------------------------------------------------------------------- |
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447 // |
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448 void CMccRtcpReceiver::DoSdesMemberCopy( |
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449 TPtrC8& aDestination, |
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450 TUint8** aCurrentPtr, |
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451 TInt& aCurrentPos, |
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452 TDes8& aRtcpPacketData, |
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453 const TDesC8& aSource ) |
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454 { |
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455 TInt len( aSource.Length() ); |
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456 |
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457 if ( aCurrentPos + len <= aRtcpPacketData.MaxLength() ) |
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458 { |
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459 aRtcpPacketData.Insert( aCurrentPos, aSource ); |
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460 |
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461 aDestination.Set( *aCurrentPtr, len ); |
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462 |
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463 *aCurrentPtr += len; |
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464 aCurrentPos += len; |
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465 } |
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466 else |
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467 { |
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468 aDestination.Set( *aCurrentPtr, 0 ); |
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469 } |
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470 } |
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471 |
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472 // ----------------------------------------------------------------------------- |
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473 // CMccRtcpEvent::ClearEventData() |
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474 // ----------------------------------------------------------------------------- |
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475 // |
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476 void CMccRtcpReceiver::ClearEventData() |
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477 { |
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478 iEventData = TMccRtcpEventData(); |
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479 } |
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480 |
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481 // ========================== OTHER EXPORTED FUNCTIONS ========================= |
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482 |
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483 // End of File |