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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: Provides DTMF support |
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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 MCCDTMFULSTREAM_H |
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22 #define MCCDTMFULSTREAM_H |
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23 |
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24 #include "mccsymstreambase.h" |
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25 |
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26 class MAsyncEventHandler; |
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27 class MMccResources; |
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28 class CMccRtpManager; |
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29 class CMMFFormatEncode; |
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30 class CMMFFormatDecode; |
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31 class TMccCodecInfo; |
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32 |
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33 /** |
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34 * This class provides DTMF sending support. |
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35 * |
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36 * @lib mmccsubcontroller.dll |
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37 * @since S60 v4.0 |
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38 */ |
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39 NONSHARABLE_CLASS( CMccDtmfUlStream ) : public CMccSymStreamBase |
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40 { |
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41 |
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42 public: |
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43 |
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44 static CMccDtmfUlStream* NewL( TUint32 aMccStreamId, |
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45 MAsyncEventHandler* aEventhandler, MMccResources* aMccResources, |
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46 CMccRtpManager* aManager, TFourCC aFourCC, TInt aStreamType, |
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47 CMccRtpMediaClock& aClock ); |
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48 |
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49 static CMccDtmfUlStream* NewLC( TUint32 aMccStreamId, |
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50 MAsyncEventHandler* aEventhandler, MMccResources* aMccResources, |
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51 CMccRtpManager* aManager, TFourCC aFourCC, TInt aStreamType, |
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52 CMccRtpMediaClock& aClock ); |
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53 |
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54 virtual ~CMccDtmfUlStream(); |
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55 |
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56 // from base class CMccSymStreamBase |
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57 |
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58 /** |
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59 * From CMccSymStreamBase. |
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60 * Sets the priority settings for this stream. |
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61 * |
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62 * @since S60 3.0 |
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63 * @param aPriority MMF Priority settings |
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64 * @return void |
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65 */ |
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66 void SetPrioritySettingsL( const TMMFPrioritySettings& aPriority ); |
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67 |
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68 /** |
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69 * From CMccSymStreamBase. |
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70 * Adds the sink and source to the stream. |
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71 * |
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72 * @since S60 3.0 |
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73 * @param aDatasink MDataSink |
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74 * @param aDatasource MDataSource |
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75 * @return void |
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76 */ |
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77 void AddSinkAndSourceL( MDataSink* aDatasink, MDataSource* aDatasource ); |
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78 |
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79 /** |
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80 * From CMccSymStreamBase. |
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81 * Loads a codec in the stream. |
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82 * |
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83 * @since S60 3.0 |
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84 * @param aCodecInfo Contains mediaformat settings |
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85 * @return void |
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86 */ |
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87 void LoadCodecL( const TMccCodecInfo& aCodecInfo, const TDesC8& aFmtp ); |
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88 |
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89 /** |
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90 * From CMccSymStreamBase. |
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91 * Primes the audio stream ready. |
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92 * |
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93 * @since S60 3.0 |
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94 * @param aEndpointId Endpoint to be primed |
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95 * @return void |
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96 */ |
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97 void PrimeL( const TUint32 aEndpointId ); |
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98 |
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99 /** |
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100 * From CMccSymStreamBase. |
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101 * Starts the audio streaming. |
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102 * |
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103 * @since S60 3.0 |
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104 * @param aEndpointId Endpoint to be played |
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105 * @param aStreamPaused Whether to pause stream after play |
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106 * @param aEnableRtcp Enable/disable RTCP |
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107 * @return void |
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108 */ |
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109 void PlayL( const TUint32 aEndpointId, TBool aStreamPaused, |
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110 TBool aEnableRtcp ); |
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111 |
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112 /** |
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113 * From CMccSymStreamBase. |
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114 * Pauses the audio streaming. |
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115 * |
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116 * @since S60 3.0 |
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117 * @param aEndpointId Endpoint to be paused |
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118 * @param aEnableRtcp Enable/disable RTCP |
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119 * @return void |
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120 */ |
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121 void PauseL( const TUint32 aEndpointId, TBool aEnableRtcp ); |
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122 |
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123 /** |
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124 * From CMccSymStreamBase. |
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125 * Resumes the audio streaming. |
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126 * |
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127 * @since S60 3.0 |
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128 * @param aEndpointId Endpoint to be resumed |
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129 * @param aEnableRtcp Enable/disable RTCP |
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130 * @return void |
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131 */ |
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132 void ResumeL( const TUint32 aEndpointId, TBool aEnableRtcp ); |
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133 |
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134 /** |
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135 * From CMccSymStreamBase. |
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136 * Stops the audio streaming. |
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137 * |
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138 * @since S60 3.0 |
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139 * @param aEndpointId Endpoint to be stopped |
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140 * @return void |
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141 */ |
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142 void StopL( const TUint32 aEndpointId ); |
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143 |
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144 /** |
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145 * From CMccSymStreamBase. |
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146 * Resets Jitterbuffer. |
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147 * |
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148 * @since S60 3.0 |
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149 * @return void |
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150 */ |
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151 void ResetCountersL(); |
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152 |
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153 /** |
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154 * From CMccSymStreamBase. |
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155 * Sets the current record/play balance depending on the stream type. |
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156 * |
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157 * @since S60 3.0 |
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158 * @param aLeftbal Left balance |
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159 * @param aRightbal Right balance |
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160 * @return void |
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161 */ |
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162 void SetBalanceL( TInt aLeftbal, TInt aRightbal ); |
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163 |
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164 /** |
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165 * From CMccSymStreamBase. |
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166 * Returns the current record/play balance depending on the stream type. |
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167 * |
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168 * @since S60 3.0 |
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169 * @param aLeftbal Left balance |
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170 * @param aRightbal Right balance |
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171 * @return void |
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172 */ |
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173 void GetBalanceL( TInt& aLeftbal, TInt& aRightbal ); |
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174 |
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175 /** |
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176 * From CMccSymStreamBase. |
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177 * Sends a media event in a uplink stream. |
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178 * |
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179 * @since S60 3.0 |
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180 * @param aEvent Event to be sent |
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181 * @return void |
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182 */ |
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183 void SendMediaSignalL( const TMccEvent& aEvent ); |
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184 |
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185 /** |
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186 * From CMccSymStreamBase. |
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187 * Starts inactivity timer for a stream in a given session. |
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188 * |
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189 * @since S60 3.0 |
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190 * @param aTimeoutTime Time after which inactivity is reported |
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191 * @return void |
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192 */ |
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193 void StartInactivityTimerL( TUint32 aTimeoutTime ); |
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194 |
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195 /** |
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196 * From CMccSymStreamBase. |
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197 * Stops inactivity timer for a stream in a given session. |
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198 * |
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199 * @since S60 3.0 |
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200 * @return void |
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201 */ |
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202 void StopInactivityTimerL(); |
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203 |
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204 /** |
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205 * From CMccSymStreamBase. |
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206 * Gets synchronization source this stream is using. |
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207 * |
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208 * @since S60 3.0 |
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209 * @param aSSRCValue Synchronization source |
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210 * @return void |
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211 */ |
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212 void GetSSRCL( TUint32& aSSRCValue ); |
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213 |
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214 /** |
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215 * From CMccSymStreamBase. |
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216 */ |
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217 TBool IsUplink(); |
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218 |
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219 /** |
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220 * From CMccSymStreamBase. |
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221 */ |
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222 void StandByL(); |
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223 |
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224 private: |
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225 |
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226 CMccDtmfUlStream( TUint32 aMccStreamId, |
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227 MAsyncEventHandler* aEventhandler, MMccResources* aMccResources, |
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228 CMccRtpManager* aManager, TFourCC aFourCC, TInt aStreamType, |
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229 CMccRtpMediaClock& aClock ); |
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230 |
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231 void ConstructL(); |
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232 |
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233 /** |
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234 * Creates the payload format encoder. |
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235 * @since S60 3.0 |
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236 * @return void |
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237 */ |
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238 void CreatePayloadFormatEncoderL(); |
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239 |
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240 /** |
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241 * Updates codec information. |
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242 * @since S60 3.0 |
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243 * @param aCodecInfo Update parameters |
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244 * @return void |
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245 */ |
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246 void UpdateCodecInformationL( TMccCodecInfo& aCodecInfo ); |
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247 |
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248 private: // data |
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249 |
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250 /** |
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251 * FourCC code identifying codec. |
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252 */ |
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253 TFourCC iFourCC; |
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254 |
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255 |
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256 /** |
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257 * Payload format encoder used to encode DTMF RTP payload. |
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258 * Own. |
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259 */ |
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260 CMMFFormatEncode* iFormatEncode; |
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261 |
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262 /** |
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263 * Payload format decoder used to decode DTMF RTP payload. |
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264 * Own. |
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265 */ |
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266 CMMFFormatDecode* iFormatDecode; |
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267 |
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268 }; |
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269 |
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270 |
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271 #endif // MCCDTMFULSTREAM_H |