1 /* |
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2 * Copyright (c) 2007 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 the License "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: Packet sink where no-one gets the streaming* |
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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 CCRRTPRECORDSINK_H |
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20 #define CCRRTPRECORDSINK_H |
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21 |
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22 // INCLUDES |
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23 #include "CCRPacketSinkBase.h" |
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24 #include <ipvideo/MRtpFileWriteObserver.h> |
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25 #include "MCRTimerObserver.h" |
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26 #include <CXPSPktSinkObserver.h> |
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27 |
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28 // CONSTANTS |
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29 // None |
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30 |
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31 // MACROS |
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32 // None |
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33 |
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34 // DATA TYPES |
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35 // None |
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36 |
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37 // FORWARD DECLARATIONS |
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38 class CCRPacketBuffer; |
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39 class CCRStreamingSession; |
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40 class MCRConnectionObserver; |
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41 class CRtpClipHandler; |
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42 class CRtpTsConverter; |
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43 |
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44 // CLASS DECLARATION |
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45 |
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46 /** |
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47 * Packet sink that does not forward packets. Good for testing. |
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48 * |
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49 * @lib CommonRecordingEngine.lib |
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50 * @since Series 60 3.0 |
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51 */ |
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52 class CCRRtpRecordSink : public CCRPacketSinkBase, |
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53 public MRtpFileWriteObserver |
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54 { |
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55 |
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56 public: // Constructors and destructors |
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57 |
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58 /** |
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59 * Two-phased constructor. |
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60 * @param aRecordParams a recording parameters. |
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61 * @param aSinkId that this class needs to use when reporting progress back to owner. |
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62 * @param aOwningSession is the streaming session that owns this instance. |
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63 * @param aObserver a pointer to connection observer. |
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64 * @param aClipHandler a reference pointer to .rtp clip handler. |
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65 * @return CCRRtpRecordSink pointer. |
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66 */ |
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67 static CCRRtpRecordSink* NewL( const SCRRecordParams& aRecordParams, |
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68 CCRStreamingSession::TCRSinkId aSinkId, |
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69 CCRStreamingSession& aOwningSession, |
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70 MCRConnectionObserver* aObserver, |
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71 CRtpClipHandler*& aClipHandler ); |
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72 |
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73 /** |
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74 * Destructor |
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75 */ |
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76 virtual ~CCRRtpRecordSink(); |
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77 |
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78 protected: // Constructors and destructors |
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79 |
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80 /** |
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81 * By default default constructor is private |
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82 * @param aSinkId that this class needs to use when reporting progress back to owner. |
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83 * @param aObserver a pointer to connection observer. |
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84 * @param aClipHandler a reference pointer to .rtp clip handler. |
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85 * @param aOwningSession is the streaming session that owns this instance. |
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86 */ |
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87 CCRRtpRecordSink( CCRStreamingSession::TCRSinkId aSinkId, |
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88 CCRStreamingSession& aOwningSession, |
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89 MCRConnectionObserver* aObserver, |
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90 CRtpClipHandler*& aClipHandler ); |
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91 |
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92 /** |
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93 * Second phase of 2-phased construction |
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94 * @param aRecordParams a recording parameters. |
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95 */ |
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96 void ConstructL( const SCRRecordParams& aRecordParams ); |
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97 |
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98 private: // Methods from base classes |
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99 |
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100 /** |
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101 * From CCRPacketSinkBase. |
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102 * Method for setting the sdp in use. |
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103 * @since Series 60 3.0 |
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104 * @param aSdp is the new sdp. |
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105 * @return none. |
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106 */ |
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107 void SetSdpL( const TDesC8& aSdp ); |
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108 |
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109 /** |
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110 * From CCRPacketSinkBase. |
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111 * Adds packet to the sink. |
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112 * @since Series 60 3.0 |
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113 * @return none. |
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114 */ |
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115 void NewPacketAvailable(); |
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116 |
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117 /** |
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118 * From CCRPacketSinkBase. |
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119 * Buffer reset info for the sink. |
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120 * @since Series 60 3.0 |
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121 * @return none. |
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122 */ |
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123 void BufferResetDone(); |
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124 |
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125 /** |
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126 * From CCRPacketSinkBase. |
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127 * Method for pause action for sink. |
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128 * @since Series 60 3.0 |
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129 * @param none. |
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130 * @return a system wide error code. |
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131 */ |
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132 TInt Pause(); |
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133 |
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134 /** |
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135 * From CCRPacketSinkBase. |
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136 * Method for restore action for sink. |
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137 * @since Series 60 3.0 |
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138 * @param none. |
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139 * @return a system wide error code. |
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140 */ |
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141 TInt Restore(); |
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142 |
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143 /** |
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144 * From CCRPacketSinkBase. |
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145 * Method for stopping action for sink. |
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146 * @since Series 60 3.0 |
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147 * @param none. |
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148 * @return none. |
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149 */ |
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150 void Stop(); |
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151 |
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152 /** |
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153 * From MRtpFileWriteObserver. |
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154 * Group saved indication. |
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155 * @since Series 60 3.0 |
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156 * @return none. |
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157 */ |
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158 void GroupSaved(); |
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159 |
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160 /** |
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161 * From MRtpFileWriteObserver. |
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162 * Clip handler status of recording. |
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163 * @since Series 60 3.0 |
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164 * @param aStatus a status of file writing. |
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165 * @return none. |
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166 */ |
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167 void WriteStatus( const TInt aStatus ); |
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168 |
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169 private: // New methods |
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170 |
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171 /** |
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172 * Adds RTP packet(s) to a group. |
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173 * @since Series 60 3.0 |
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174 * @param none. |
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175 * @return none. |
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176 */ |
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177 void AddToGroup(); |
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178 |
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179 /** |
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180 * Adds one RTP packet to a group. |
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181 * @since Series 60 3.0 |
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182 * @param aPacket a packet data. |
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183 * @param aType a packet type. |
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184 * @return none. |
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185 */ |
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186 void AddPacketToGroupL( const TDesC8& aPacket, |
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187 const MRtpFileWriteObserver::TRtpType& aType ); |
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188 |
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189 /** |
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190 * Saves one RTP packet group to a clip. |
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191 * @since Series 60 3.0 |
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192 * @param aAction a saving action. |
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193 * @return none. |
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194 */ |
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195 void SaveGroup( MRtpFileWriteObserver::TRtpSaveAction aAction ); |
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196 |
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197 /** |
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198 * Saves one RTP packet group to a clip. |
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199 * @since Series 60 3.0 |
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200 * @param aAction a saving action. |
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201 * @return none. |
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202 */ |
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203 void SaveGroupL( MRtpFileWriteObserver::TRtpSaveAction aAction ); |
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204 |
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205 /** |
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206 * Converts stream id to old RTP propriatary format packet type. |
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207 * @since Series 60 3.0 |
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208 * @param aType a packet type from a clip. |
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209 * @param aStream a stream id to update. |
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210 * @return true if packet valid, otherwise false. |
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211 */ |
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212 TBool StreamToType( const MCRPacketSource::TCRPacketStreamId& aStream, |
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213 MRtpFileWriteObserver::TRtpType& aType ); |
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214 |
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215 /** |
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216 * Handles TS delta calculation from audio packets. |
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217 * @since Series 60 3.0 |
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218 * @param aPacket a packet data. |
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219 * @return a TS of packet. |
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220 */ |
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221 TUint TsFromPacketL( const TDesC8& aPacket ); |
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222 |
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223 /** |
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224 * Wrapper for AddPausePacketL(). |
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225 * @since Series 60 3.0 |
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226 * @param none. |
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227 * @return none. |
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228 */ |
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229 void AddPausePacket(); |
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230 |
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231 /** |
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232 * Adds pause packet to group buffer. |
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233 * @since Series 60 3.0 |
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234 * @param none. |
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235 * @return none. |
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236 */ |
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237 void AddPausePacketL(); |
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238 |
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239 /** |
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240 * Resets packets group variables. |
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241 * @since Series 60 3.0 |
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242 * @param aStatus a reason for recording end. |
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243 * @return none. |
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244 */ |
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245 void ForceStopRecording( const TInt& aStatus ); |
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246 |
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247 /** |
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248 * Resets packets group variables. |
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249 * @since Series 60 3.0 |
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250 * @param none. |
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251 * @return none. |
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252 */ |
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253 void ResetGroupVariables(); |
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254 |
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255 private: // Data |
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256 |
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257 /** |
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258 * Packets group buffer. |
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259 */ |
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260 HBufC8* iGroupBuffer; |
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261 |
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262 /** |
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263 * Connection status observer. |
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264 */ |
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265 MCRConnectionObserver* iObserver; |
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266 |
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267 /** |
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268 * Clip handler for RTP clip. |
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269 */ |
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270 CRtpClipHandler*& iClipHandler; |
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271 |
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272 /** |
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273 * Packets group pointer. |
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274 */ |
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275 TPtr8 iGroupPointer; |
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276 |
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277 /** |
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278 * Current group size in bytes. |
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279 */ |
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280 TInt iGroupSize; |
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281 |
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282 /** |
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283 * Current group packets count. |
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284 */ |
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285 TInt iPacketsCount; |
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286 |
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287 /** |
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288 * Wanted group size. |
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289 */ |
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290 TInt iWantedGroup; |
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291 |
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292 /** |
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293 * TS converter for audio. |
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294 */ |
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295 CRtpTsConverter* iAudioConv; |
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296 |
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297 /** |
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298 * Time stamp of oldest audio packet. |
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299 */ |
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300 TUint iOldestTs; |
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301 |
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302 /** |
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303 * Latest audio packet. |
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304 */ |
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305 TPtrC8 iLatestAudio; |
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306 |
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307 /** |
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308 * Record mode, can be either normal of time shift. |
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309 */ |
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310 MRtpFileWriteObserver:: TRtpSaveAction iSaveMode; |
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311 |
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312 /** |
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313 * Next packet(s) mode, can be: normal, pause, end. |
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314 */ |
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315 MRtpFileWriteObserver:: TRtpSaveAction iGroupMode; |
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316 |
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317 /** |
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318 * Recording parameters. |
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319 */ |
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320 MRtpFileWriteObserver::SRtpRecParams iRecParams; |
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321 |
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322 }; |
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323 |
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324 #endif // CCRRTPRECORDSINK_H |
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325 |
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326 // End of File |
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