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1 /* |
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2 * Copyright (c) 2007-2009 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: VoIP Audio Services - Uplink stream API |
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15 * Defines uplink and downlink thread objects. |
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16 * |
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17 */ |
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18 |
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19 #ifndef __VOIPAUDIOSERVERTHREAD_H |
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20 #define __VOIPAUDIOSERVERTHREAD_H |
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21 |
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22 #include <e32msgqueue.h> |
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23 #include <sounddevice.h> |
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24 #include "JitterBufferObserver.h" |
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25 #include "JitterBuffer.h" |
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26 #include "VoIPAudioClientServer.h" |
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27 #include "VoIPQueueHandlerSrv.h" |
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28 #include "VoIPSharedData.h" |
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29 |
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30 // FORWARD DECLARATIONS |
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31 class CAudioOutput; |
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32 class CErrorConcealmentIntfc; |
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33 class CSpeechEncoderConfig; |
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34 class CG711DecoderIntfc; |
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35 class CG729DecoderIntfc; |
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36 class CIlbcDecoderIntfc; |
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37 class CG711EncoderIntfc; |
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38 class CG729EncoderIntfc; |
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39 class CIlbcEncoderIntfc; |
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40 class CQueueHandlerSrv; |
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41 |
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42 // ----------------------------------------------------------------------------- |
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43 // Class Name: CVoIPThreadBase |
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44 // |
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45 // Base abstract class for creating VoIP uplink and downlink threads. |
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46 // ----------------------------------------------------------------------------- |
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47 class CVoIPThreadBase : public CBase, |
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48 public MDevSoundObserver, |
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49 public MQueueHandlerObserverSrv |
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50 { |
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51 public: |
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52 enum TStreamState |
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53 { |
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54 ENotReady, // not initialized |
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55 EReady, // initialized and ready for streaming |
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56 EStreaming // active streaming |
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57 }; |
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58 |
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59 public: |
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60 virtual ~CVoIPThreadBase(); |
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61 |
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62 // From MQueueHandlerObserverSrv |
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63 virtual void Event(TInt aEventType, TInt aError) = 0; |
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64 |
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65 protected: |
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66 virtual void SetCodecCiL() = 0; |
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67 virtual void Start() = 0; |
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68 virtual void Stop() = 0; |
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69 |
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70 void InitThreadL(); |
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71 void InitDevSoundL(const TMMFState aDevSoundState, const TInt aPriority, |
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72 const TInt aPreference); |
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73 void InitMsgQueuesL(const TDesC& aBufferQ, const TDesC& aComQ); |
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74 TInt DoChunk(const TDesC& aChunkName, const TInt aChunkLen, |
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75 const TInt aChunkMaxLen); |
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76 TInt DetermineMaxBufferLen(TVoIPCodecSettings::TG711FrameRate |
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77 aG711FrameRate = TVoIPCodecSettings::E20MS); |
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78 |
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79 // From MDevSoundObserver |
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80 virtual void InitializeComplete(TInt aError) = 0; |
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81 virtual void BufferToBeEmptied(CMMFBuffer* /*aBuffer*/) {} |
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82 virtual void RecordError(TInt /*aError*/) {} |
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83 virtual void BufferToBeFilled(CMMFBuffer* /*aBuffer*/) {} |
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84 virtual void PlayError(TInt /*aError*/) {} |
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85 virtual void ToneFinished(TInt /*aError*/) {} |
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86 virtual void ConvertError(TInt /*aError*/) {} |
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87 virtual void DeviceMessage(TUid /*aMessageType*/, const TDesC8& /*aMsg*/) {} |
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88 virtual void SendEventToClient(const TMMFEvent& /*aEvent*/) {} |
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89 |
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90 protected: |
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91 |
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92 CActiveScheduler* iActiveScheduler; |
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93 TStreamState iStatus; |
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94 CMMFDevSound* iDevSound; |
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95 |
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96 RMsgQueue<TVoIPMsgBuf> iMsgQueue; // ITC back to client |
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97 RMsgQueue<TVoIPMsgBuf> iMsgComQueue; // ITC with this thread |
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98 CQueueHandlerSrv* iMsgQComHandler; // commands from main thread |
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99 TVoIPMsgBuf iMsgBuffer; |
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100 CMMFDataBuffer* iDevSoundBufPtr; |
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101 RChunk iChunk; |
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102 TUint32 iCodecID; |
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103 TInt iBufLen; |
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104 TInt iMaxBufLen; |
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105 |
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106 CVoIPFormatIntfc::TG711CodecMode iG711CodecMode; |
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107 CVoIPFormatIntfc::TILBCCodecMode iILBCCodecMode; |
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108 |
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109 }; |
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110 |
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111 // ----------------------------------------------------------------------------- |
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112 // Class Name: CVoIPDownlinkThread |
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113 // |
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114 // Class handling VoIP downlink in a separate thread. |
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115 // ----------------------------------------------------------------------------- |
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116 class CVoIPDownlinkThread : public CVoIPThreadBase, |
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117 public MJitterBufferObserver |
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118 { |
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119 public: |
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120 static TInt ThreadFunction(TAny* aData); |
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121 virtual ~CVoIPDownlinkThread(); |
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122 |
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123 private: |
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124 |
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125 static CVoIPDownlinkThread* NewL(TSharedData& aData); |
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126 CVoIPDownlinkThread(TSharedData& aData); |
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127 void ConstructL(); |
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128 |
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129 void SetCodecCiL(); |
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130 void Start(); |
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131 void Stop(); |
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132 |
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133 void BufferFilled(); |
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134 void SetVolume(); |
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135 void GetVolume(); |
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136 void SetAudioDeviceL(); |
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137 void GetAudioDeviceL(); |
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138 |
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139 // For CIs |
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140 void SetIlbcCodecMode(); |
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141 void GetIlbcCodecMode(); |
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142 void SetG711CodecMode(); |
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143 void GetG711CodecMode(); |
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144 void FrameModeRqrdForEC(); |
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145 void SetFrameMode(); |
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146 void GetFrameMode(); |
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147 void ConcealErrorForNextBuffer(); |
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148 void SetCng(); |
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149 void GetCng(); |
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150 void SetPlc(); |
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151 void GetPlc(); |
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152 void BadLsfNextBuffer(); |
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153 |
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154 // For Jitter Buffer |
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155 /** |
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156 * ?description |
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157 * @since S60 v5.0 |
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158 * @param none |
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159 * @return void |
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160 */ |
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161 void ConfigureJitterBufferL(); |
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162 |
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163 /** |
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164 * ?description |
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165 * @since S60 v5.0 |
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166 * @param none |
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167 * @return void |
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168 */ |
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169 void ResetJitterBuffer(); |
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170 |
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171 /** |
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172 * ?description |
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173 * @since S60 v5.0 |
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174 * @param none |
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175 * @return void |
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176 */ |
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177 void JBDelayDown(); |
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178 |
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179 /** |
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180 * ?description |
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181 * @since S60 v5.0 |
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182 * @param none |
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183 * @return void |
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184 */ |
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185 void JBDelayUp(); |
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186 |
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187 void SendCmd(TUserCommand aCmd, TInt aError = KErrNone); |
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188 |
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189 // From MDevSoundObserver |
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190 virtual void InitializeComplete(TInt aError); |
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191 virtual void BufferToBeFilled(CMMFBuffer* aBuffer); |
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192 virtual void PlayError(TInt aError); |
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193 |
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194 // From MQueueHandlerObserverSrv |
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195 virtual void Event(TInt aEventType, TInt aError); |
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196 |
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197 // From MJitterBufferObserver |
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198 virtual void EventJB(TInt aEventType, TInt aError = KErrNone); |
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199 |
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200 private: |
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201 |
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202 TSharedData& iShared; |
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203 TBool iFrameMode; |
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204 TBool iPlc; |
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205 CAudioOutput* iAudioOutput; |
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206 CErrorConcealmentIntfc* iErrConcealmentIntfc; |
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207 CG711DecoderIntfc* iG711DecoderIntfc; |
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208 CG729DecoderIntfc* iG729DecoderIntfc; |
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209 CIlbcDecoderIntfc* iIlbcDecoderIntfc; |
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210 |
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211 CVoIPJitterBuffer* iJitterBuffer; |
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212 CMMFDataBuffer* iAddJBuffer; |
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213 CMMFDataBuffer* iGetJBuffer; |
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214 |
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215 #ifdef _DEBUG |
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216 TInt iSamplesPlayedCount; |
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217 #endif |
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218 |
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219 }; |
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220 |
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221 // ----------------------------------------------------------------------------- |
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222 // Class Name: CVoIPUplinkThread |
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223 // |
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224 // Class handling VoIP uplink in a separate thread. |
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225 // ----------------------------------------------------------------------------- |
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226 class CVoIPUplinkThread : public CVoIPThreadBase |
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227 { |
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228 public: |
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229 |
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230 static TInt ThreadFunction(TAny* aData); |
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231 virtual ~CVoIPUplinkThread(); |
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232 |
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233 private: |
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234 |
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235 static CVoIPUplinkThread* NewL(TSharedData& aData); |
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236 CVoIPUplinkThread(TSharedData& aData); |
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237 void ConstructL(); |
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238 |
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239 void SetCodecCiL(); |
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240 void Start(); |
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241 void Stop(); |
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242 |
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243 void BufferEmptied(); |
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244 void SetGain(); |
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245 void GetGain(); |
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246 |
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247 // For CIs |
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248 void SetIlbcCodecMode(); |
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249 void GetIlbcCodecMode(); |
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250 void SetG711CodecMode(); |
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251 void GetG711CodecMode(); |
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252 void GetSupportedBitrates(); |
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253 void SetBitrate(); |
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254 void GetBitrate(); |
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255 void SetVad(); |
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256 void GetVad(); |
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257 |
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258 void SendCmd(TUserCommand aCmd, TInt aError = KErrNone); |
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259 |
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260 // From MDevSoundObserver |
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261 virtual void InitializeComplete(TInt aError); |
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262 virtual void BufferToBeEmptied(CMMFBuffer* /*aBuffer*/); |
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263 virtual void RecordError(TInt /*aError*/); |
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264 |
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265 // From MQueueHandlerObserverSrv |
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266 virtual void Event(TInt aEventType, TInt aError); |
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267 |
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268 private: |
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269 |
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270 TSharedData& iShared; |
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271 TBool iVad; |
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272 |
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273 CSpeechEncoderConfig* iSpeechEncoderConfig; |
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274 CG711EncoderIntfc* iG711EncoderIntfc; |
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275 CG729EncoderIntfc* iG729EncoderIntfc; |
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276 CIlbcEncoderIntfc* iIlbcEncoderIntfc; |
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277 |
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278 #ifdef _DEBUG |
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279 TInt iSamplesRecCount; |
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280 #endif |
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281 |
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282 }; |
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283 |
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284 #endif // __VOIPAUDIOSERVERTHREAD_H |
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285 |
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286 // End of file |