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1 /* |
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2 * Copyright (c) 2006 Nokia Corporation and/or its subsidiary(-ies). |
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3 * All rights reserved. |
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4 * This component and the accompanying materials are made available |
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5 * under the terms of "Eclipse Public License v1.0" |
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6 * which accompanies this distribution, and is available |
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7 * at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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8 * |
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9 * Initial Contributors: |
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10 * Nokia Corporation - initial contribution. |
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11 * |
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12 * Contributors: |
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13 * |
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14 * Description: |
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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 #ifndef MUSHENGREVEIVESESSION_H |
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20 #define MUSHENGREVEIVESESSION_H |
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21 |
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22 // INCLUDES |
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23 #include "musengmcesession.h" |
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24 #include "musenguriparser.h" |
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25 #include "musunittesting.h" |
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26 #include <mcemediasink.h> |
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27 |
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28 // FORWARD DECLARATIONS |
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29 class MMusEngReceiveSessionObserver; |
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30 class CMceInSession; |
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31 class CMusEngRemoteVideoPlayer; |
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32 |
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33 |
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34 class CMusEngReceiveSession : |
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35 public CMusEngMceSession |
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36 { |
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37 MUS_UNITTEST( UT_CMusEngMceSession ) |
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38 MUS_UNITTEST( UT_CMusEngReceiveSession ) |
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39 |
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40 public: // Contructors and destructor |
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41 |
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42 /** |
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43 * Creates new MultimediaSharing Receive session. |
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44 * @return CMusEngReceiveSession* New instanse of specified class |
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45 */ |
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46 static CMusEngReceiveSession* NewL(); |
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47 |
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48 /** |
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49 * Destructor |
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50 * |
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51 * @since S60 v3.2 |
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52 */ |
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53 ~CMusEngReceiveSession(); |
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54 |
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55 public: // From MLcSession |
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56 |
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57 TLcSessionState LcSessionState() const; |
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58 |
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59 void EstablishLcSessionL(); |
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60 |
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61 void TerminateLcSessionL(); |
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62 |
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63 MLcVideoPlayer* RemoteVideoPlayer(); |
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64 |
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65 const TDesC& RemoteDisplayName(); |
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66 |
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67 protected: // Overrides function in CMusEngMceSession |
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68 |
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69 /** |
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70 * The state of the session has changed. |
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71 * |
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72 * @since S60 v3.2 |
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73 * @param aSession, the session that has changed. |
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74 */ |
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75 virtual void HandleSessionStateChanged( CMceSession& aSession, |
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76 TInt aStatusCode, |
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77 const TDesC8& aReasonPhrase ); |
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78 |
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79 /** |
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80 * Sets Multimediasharing specific video codec settings like keepalive |
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81 * timer. This functions gets called for every video codec in |
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82 * session. This function overrides function in base class. |
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83 * Function calls also overridden version. |
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84 */ |
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85 virtual void AdjustVideoCodecL( CMceVideoCodec& aVideoCodec, |
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86 TMceSourceType aSourceType ); |
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87 |
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88 /** |
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89 * Sets Multimediasharing specific audio codec settings like keepalive |
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90 * timer. This functions gets called for every audio |
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91 * codec in session. This function overrides function in base class. |
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92 * Function calls also overridden version. |
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93 */ |
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94 virtual void AdjustAudioCodecL( CMceAudioCodec& aAudioCodec ); |
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95 |
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96 /** |
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97 * Removes multiples of H.263 codec, prefers H263-2000 over H263-1998. |
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98 * Additionally selects just the one with best quality from selected mode. |
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99 * Removes all the H.263 codecs if any AVC codecs found. Prefers |
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100 * non-interleaved AVC over single NAL AVC |
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101 * @param aVideoStream |
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102 */ |
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103 virtual void DoCodecSelectionL( CMceVideoStream& aVideoStream ); |
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104 |
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105 protected: // from MMceInSessionObserver |
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106 // overrides the function in CMusEngMceSession |
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107 |
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108 /** |
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109 * Incoming session invitation. The CMCEInSession is given to the |
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110 * application as a callback. |
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111 * @param aSession, pointer to the incoming session. Ownership is |
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112 * transferred. |
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113 * @param aContainer, if present, holds details of |
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114 * transaction causing state change. |
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115 */ |
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116 void IncomingSession( |
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117 CMceInSession* aSession, |
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118 TMceTransactionDataContainer* aContainer ); |
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119 |
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120 |
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121 /** |
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122 * Incoming session update. The new updated CMCEInSession is given to the |
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123 * application as a callback. |
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124 * @param aOrigSession, the original session to be updated. This instance |
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125 * cannot be used anymore, all actions done using aUpdatedSession |
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126 * instance. |
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127 * @param aUpdatedSession, pointer to the new updated session. Ownership |
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128 * is transferred. |
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129 * @param aContainer, if present, holds details of update transaction. |
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130 */ |
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131 void IncomingUpdate( |
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132 CMceSession& aOrigSession, |
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133 CMceInSession* aUpdatedSession, |
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134 TMceTransactionDataContainer* aContainer ); |
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135 |
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136 |
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137 protected: // from MMceStreamObserver, |
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138 // overrides the function in CMusEngMceSession |
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139 |
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140 /** |
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141 * The state of the stream has changed. |
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142 * |
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143 * @since S60 v3.2 |
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144 * @param aStream, the stream that uses the source. |
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145 */ |
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146 void StreamStateChanged( CMceMediaStream& aStream ); |
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147 |
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148 protected: // from MMceRtpObserver |
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149 |
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150 void InactivityTimeout( CMceMediaStream& aStream, |
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151 CMceRtpSource& aSource ); |
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152 |
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153 |
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154 |
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155 protected: // CONSTRUCTORS |
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156 |
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157 CMusEngReceiveSession(); |
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158 |
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159 void ConstructL(); |
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160 |
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161 protected: // HELPERS |
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162 |
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163 CMceInSession* InSession(); |
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164 |
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165 void PrepareToRequire100RelL( |
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166 TMceTransactionDataContainer* aContainer ); |
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167 |
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168 virtual void CompleteSessionStructureL(); |
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169 |
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170 /** |
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171 * Parse P-Asserted-Identity header. |
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172 * Tries to fetch the telephone number from tel uri, |
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173 * if tel uri not found it suppose that telephone number |
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174 * is in sip url. |
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175 */ |
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176 void ParseAssertedIdentity( TMceTransactionDataContainer* aContainer ); |
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177 /* |
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178 * Checks for buffering event happened & receiving already not started |
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179 * If yes, start the RTP inactivity timer and indicate to observer |
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180 * about videoplayer state change. |
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181 * else will not do anything. Bascially ignores the event. |
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182 */ |
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183 void ReceivingStarted(); |
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184 |
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185 /** |
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186 * Checks for receiving already started and display sink is enabled |
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187 * If yes ETrue else otherwise. |
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188 */ |
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189 TBool IsDisplayActive(); |
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190 |
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191 protected: // DATA |
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192 |
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193 // Set to ETrue if CMceInSession::RingL has already been called |
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194 TBool iRingLCalled; |
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195 |
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196 // identity of originator parsed form P-Asserted-Identity field |
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197 TBuf8<KMaxUriLength> iIdentity; |
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198 |
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199 HBufC8* iOriginator; |
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200 |
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201 HBufC* iRemoteDisplayName; |
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202 |
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203 /// The remote video player implementing MLcVideoPlayer |
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204 CMusEngRemoteVideoPlayer* iRemoteVideoPlayer; |
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205 |
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206 TUint32 iReceivingInactivityTimeout; |
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207 |
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208 TUint8 iKeepaliveTimer; |
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209 |
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210 private: |
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211 /* Flag for whether receiving started. It will go EFalse |
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212 * when RTP inactivity timeout happen. |
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213 */ |
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214 TBool iReceiving; |
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215 /* Flag to indicate buffering event happened. This flag is for |
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216 * optimization purpose since buffering event is the only place |
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217 * we can be sure about some packets were received. |
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218 */ |
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219 TBool iBuffered; |
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220 }; |
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221 |
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222 #endif |
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223 |