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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: Observer class for events. |
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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 #ifndef MMCCCTRLOBSERVER_H |
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22 #define MMCCCTRLOBSERVER_H |
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23 |
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24 // INCLUDES |
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25 #include <e32def.h> |
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26 #include <mmf/common/mmfbase.h> |
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27 #include <mmccevents.h> |
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28 |
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29 /** |
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30 * Observer interface for clients to receive events from MCC. |
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31 * |
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32 * @lib mmccinterface.lib |
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33 */ |
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34 class MMccCtrlObserver |
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35 { |
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36 public: |
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37 |
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38 /** |
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39 * Callback function to receive media events |
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40 * @param aSignal Received media events |
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41 * @return void |
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42 */ |
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43 virtual void MccEventReceived( const TMccEvent& aEvent ) = 0; |
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44 |
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45 /** |
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46 * Callback function to receive media started event. |
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47 * @param aSessionId Session ID |
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48 * @param aLinkId Link ID |
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49 * @param aStreamId Stream ID |
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50 * @param aSinkSourceId Sink or source ID |
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51 */ |
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52 virtual void MccMediaStarted( TUint32 aSessionId, |
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53 TUint32 aLinkId, |
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54 TUint32 aStreamId, |
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55 TUint32 aSinkSourceId ) = 0; |
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56 |
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57 /** |
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58 * Callback function to receive media stopped event. |
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59 * @param aSessionId Session ID |
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60 * @param aLinkId Link ID |
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61 * @param aStreamId Stream ID |
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62 * @param aSinkSourceId Sink or source ID |
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63 */ |
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64 virtual void MccMediaStopped( TUint32 aSessionId, |
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65 TUint32 aLinkId, |
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66 TUint32 aStreamId, |
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67 TUint32 aSinkSourceId ) = 0; |
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68 |
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69 /** |
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70 * Callback function to receive media paused event. |
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71 * @param aSessionId Session ID |
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72 * @param aLinkId Link ID |
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73 * @param aStreamId Stream ID |
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74 * @param aSinkSourceId Sink or source ID |
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75 */ |
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76 virtual void MccMediaPaused( TUint32 aSessionId, |
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77 TUint32 aLinkId, |
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78 TUint32 aStreamId, |
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79 TUint32 aSinkSourceId ) = 0; |
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80 |
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81 /** |
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82 * Callback function to receive media resumed event. |
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83 * @param aSessionId Session ID |
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84 * @param aLinkId Link ID |
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85 * @param aStreamId Stream ID |
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86 * @param aSinkSourceId Sink or source ID |
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87 */ |
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88 virtual void MccMediaResumed( TUint32 aSessionId, |
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89 TUint32 aLinkId, |
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90 TUint32 aStreamId, |
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91 TUint32 aSinkSourceId ) = 0; |
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92 |
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93 /** |
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94 * Callback function to receive media prepared event. |
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95 * @param aSessionId Session ID |
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96 * @param aLinkId Link ID |
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97 * @param aStreamId Stream ID |
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98 * @param aSinkSourceId Sink or source ID |
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99 */ |
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100 virtual void MccMediaPrepared( TUint32 aSessionId, |
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101 TUint32 aLinkId, |
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102 TUint32 aStreamId, |
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103 TUint32 aSinkSourceId ) = 0; |
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104 |
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105 /** |
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106 * Callback function to receive media inactivity event. |
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107 * @param aSessionId Session ID |
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108 * @param aLinkId Link ID |
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109 * @param aStreamId Stream ID |
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110 * @param aSinkSourceId Sink or source ID |
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111 */ |
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112 virtual void MccMediaInactive( TUint32 aSessionId, |
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113 TUint32 aLinkId, |
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114 TUint32 aStreamId, |
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115 TUint32 aSinkSourceId ) = 0; |
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116 |
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117 /** |
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118 * Callback function to receive media activity event. The |
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119 * function is called when the first RTP packet is received |
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120 * by a downlink stream. |
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121 * @param aSessionId Session ID |
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122 * @param aLinkId Link ID |
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123 * @param aStreamId Stream ID |
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124 * @param aSinkSourceId Sink or source ID |
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125 */ |
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126 virtual void MccMediaActive( TUint32 aSessionId, |
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127 TUint32 aLinkId, |
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128 TUint32 aStreamId, |
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129 TUint32 aSinkSourceId ) = 0; |
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130 |
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131 |
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132 /** |
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133 * Callback function to receive error event. |
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134 * @param aError Error code |
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135 * @param aSessionId Session ID |
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136 * @param aLinkId Link ID |
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137 * @param aSinkSourceId Sink or source ID |
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138 */ |
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139 virtual void MccCtrlError( TInt aError, |
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140 TUint32 aSessionId, |
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141 TUint32 aLinkId, |
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142 TUint32 aStreamId, |
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143 TUint32 aSinkSourceId ) = 0; |
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144 |
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145 |
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146 /** |
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147 * Callback function to notify client of unknown media packet. |
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148 * Called when packet with unknown payload type is |
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149 * received by a downlink stream. |
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150 * |
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151 * @since Series 60 3.0 |
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152 * @param aSessionId Session ID |
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153 * @param aLinkId Link ID |
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154 * @param aStreamId Stream ID |
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155 * @param aSinkSourceId Sink or source ID |
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156 * @param aPayloadType Payload type of received packet |
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157 * @return void |
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158 */ |
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159 inline virtual void UnknownMediaReceived( TUint32 /*aSessionId*/, |
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160 TUint32 /*aLinkId*/, |
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161 TUint32 /*aStreamId*/, |
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162 TUint32 /*aSinkSourceId*/, |
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163 TUint8 /*aPayloadType*/ ){}; |
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164 }; |
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165 |
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166 #endif // MMCCCTRLOBSERVER_H |