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1 /* |
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2 * Copyright (c) 2002-2005 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: In this state, avdtp link is ready to be used and btsac opens |
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15 * audio automatically if there is request pending otherwise |
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16 * it will wait open audio request. |
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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 |
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22 |
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23 // INCLUDE FILES |
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24 #include "btsacStateConfigured.h" |
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25 #include "btsacStateListening.h" |
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26 #include "btsacStateStreaming.h" |
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27 #include "btsacStateAborting.h" |
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28 #include "btsacactive.h" |
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29 #include "btsacGavdp.h" |
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30 #include "btsacSEPManager.h" |
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31 #include "btsacStreamerController.h" |
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32 #include "debug.h" |
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33 |
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34 // A2DP codec-specific element definitions |
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35 // in bluetoothAV.h |
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36 using namespace SymbianBluetoothAV; |
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37 |
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38 // Subband codec-specific values |
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39 // in bluetoothAV.h |
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40 using namespace SymbianSBC; |
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41 |
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42 const TInt KStartIndicationDelay = 1000000; // 1 sec |
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43 |
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44 // ================= MEMBER FUNCTIONS ======================= |
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45 |
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46 // ----------------------------------------------------------------------------- |
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47 // CBtsacConfigured::NewL |
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48 // ----------------------------------------------------------------------------- |
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49 // |
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50 CBtsacConfigured* CBtsacConfigured::NewL(CBTSAController& aParent, RSocket aNewSocket, |
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51 TAudioOpenedBy aAudioOpenedBy, TStreamConfiguredBy aStreamConfiguredBy) |
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52 { |
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53 CBtsacConfigured* self = new( ELeave ) CBtsacConfigured(aParent, aNewSocket, aAudioOpenedBy, aStreamConfiguredBy); |
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54 CleanupStack::PushL(self); |
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55 self->ConstructL(); |
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56 CleanupStack::Pop(self); |
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57 return self; |
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58 } |
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59 |
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60 // ----------------------------------------------------------------------------- |
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61 // CBtsacConfigured::CBtsacConfigured |
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62 // ----------------------------------------------------------------------------- |
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63 // |
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64 CBtsacConfigured::CBtsacConfigured(CBTSAController& aParent, RSocket aNewSocket, |
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65 TAudioOpenedBy aAudioOpenedBy, TStreamConfiguredBy aStreamConfiguredBy) |
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66 : CBtsacState(aParent, EStateConfigured), iAudioOpenedBy(aAudioOpenedBy), |
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67 iStreamConfiguredBy(aStreamConfiguredBy), iStartStreamStatus(EStartNone) |
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68 { |
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69 TRACE_ASSERT(Parent().iStreamingSockets.Count() == 0, EBTPanicSocketExists) |
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70 TRACE_INFO((_L("[SOCKET] created."))) |
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71 Parent().iStreamingSockets.Append(aNewSocket); |
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72 } |
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73 |
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74 // ----------------------------------------------------------------------------- |
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75 // CBtsacConfigured::ConstructL |
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76 // ----------------------------------------------------------------------------- |
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77 // |
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78 void CBtsacConfigured::ConstructL() |
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79 { |
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80 iTimerActive = CBtsacActive::NewL(*this, CActive::EPriorityStandard, KRequestIdTimer); |
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81 iTimer.CreateLocal(); |
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82 } |
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83 |
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84 // ----------------------------------------------------------------------------- |
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85 // CBtsacConfigured::~CBtsacConfigured |
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86 // ----------------------------------------------------------------------------- |
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87 // |
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88 CBtsacConfigured::~CBtsacConfigured() |
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89 { |
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90 TRACE_FUNC |
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91 delete iTimerActive; |
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92 iTimerActive = NULL; |
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93 iTimer.Close(); |
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94 } |
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95 |
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96 // ----------------------------------------------------------------------------- |
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97 // CBtsacConfigured::EnterL |
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98 // ----------------------------------------------------------------------------- |
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99 // |
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100 void CBtsacConfigured::EnterL() |
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101 { |
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102 TRACE_STATE(_L("[BTSAC State] Configured")) |
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103 _LIT(KName, "CBtsacStateConfigured"); |
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104 const TDesC& Name = KName; |
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105 Parent().iGavdp->RegisterObserver(this, Name); |
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106 |
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107 // ** OPEN AUDIO automatically ** |
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108 if(iStreamConfiguredBy == EStreamConfiguredBySrc) |
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109 { |
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110 if(Parent().IsOpenAudioReqFromAccFWPending()) |
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111 { |
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112 TInt err; |
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113 TRAP(err, OpenAudioLinkL(Parent().GetRemoteAddr())); |
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114 if( err ) |
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115 { |
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116 Parent().CompletePendingRequests(KOpenAudioReq, err); |
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117 } |
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118 } |
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119 } |
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120 else // Stream configured by sink |
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121 { |
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122 if(iAudioOpenedBy == EAudioOpenedByAcc) |
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123 { |
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124 GAVDP_StartIndication(TSEID(1, ETrue)); |
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125 } |
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126 else if(Parent().IsOpenAudioReqFromAccFWPending()) |
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127 { |
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128 // Start timer to protect such a situation that we will not receive StartIndication from remote end. |
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129 StartTimer(KStartIndicationDelay); |
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130 } |
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131 } |
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132 } |
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133 |
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134 // ----------------------------------------------------------------------------- |
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135 // CBtsacConfigured::StartTimer |
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136 // ----------------------------------------------------------------------------- |
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137 // |
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138 void CBtsacConfigured::StartTimer(TTimeIntervalMicroSeconds32 aTimeout) |
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139 { |
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140 TRACE_FUNC |
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141 if (iTimerActive) |
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142 { |
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143 if(!iTimerActive->IsActive()) |
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144 { |
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145 iTimer.After(iTimerActive->iStatus, aTimeout); |
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146 iTimerActive->GoActive(); |
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147 } |
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148 } |
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149 else |
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150 { |
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151 TRACE_INFO((_L("CBtsacConfigured::StartTimer, Timer Active doesn't exist."))) |
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152 } |
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153 } |
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154 |
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155 // ----------------------------------------------------------------------------- |
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156 // CBtsacConfigured::StopTimer |
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157 // ----------------------------------------------------------------------------- |
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158 // |
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159 void CBtsacConfigured::StopTimer() |
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160 { |
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161 TRACE_FUNC |
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162 if (iTimerActive) |
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163 { |
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164 iTimerActive->Cancel(); |
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165 } |
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166 } |
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167 |
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168 // ----------------------------------------------------------------------------- |
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169 // CBtsacConfigured::CancelActionL |
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170 // ----------------------------------------------------------------------------- |
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171 // |
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172 void CBtsacConfigured::CancelActionL(TInt aError, TBTSACGavdpResetReason aGavdpReset) |
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173 { |
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174 TRACE_FUNC |
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175 Parent().CompletePendingRequests(KOpenAudioReq, aError); |
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176 Parent().ChangeStateL(CBtsacListening::NewL(Parent(), aGavdpReset, aError)); |
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177 } |
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178 |
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179 // ----------------------------------------------------------------------------- |
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180 // CBtsacConfigured::CancelConnectL |
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181 // ----------------------------------------------------------------------------- |
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182 // |
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183 void CBtsacConfigured::CancelConnectL() |
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184 { |
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185 TRACE_FUNC |
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186 CancelActionL(KErrCancel, EGavdpResetReasonGeneral); |
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187 } |
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188 |
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189 // ----------------------------------------------------------------------------- |
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190 // CBtsacConfigured::OpenAudioLinkL |
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191 // ----------------------------------------------------------------------------- |
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192 // |
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193 void CBtsacConfigured::OpenAudioLinkL(const TBTDevAddr& aAddr) |
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194 { |
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195 TRACE_FUNC |
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196 if((iStreamConfiguredBy == EStreamConfiguredBySrc) || (iAudioOpenedBy == EAudioOpenedByAFW)) |
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197 { |
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198 TAvdtpSEPInfo SEPInfo; |
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199 iStartStreamStatus = EStartSendBySrc; |
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200 if (Parent().iRemoteSEPs->GetInfo(Parent().GetSEPIndex(), SEPInfo) || (aAddr != Parent().GetRemoteAddr() )) |
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201 { |
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202 TRACE_INFO((_L("TStateConfigured::OpenAudio Couldn't retrieve SEP Info !"))) |
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203 Parent().CompletePendingRequests(KOpenAudioReq, KErrGeneral); |
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204 return; |
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205 } |
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206 Parent().SetRemoteAddr(aAddr); |
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207 TSEID remoteSEPid = SEPInfo.SEID(); |
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208 Parent().iGavdp->StartStreams(remoteSEPid); |
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209 } |
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210 else |
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211 { |
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212 // Remote end (sink) has configured us. We can't call StartStreams. Complete audio req later, |
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213 // after we have received start indication from the remote (sink). |
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214 |
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215 // Start timer to protect such a situation that we will not receive StartIndication from remote end. |
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216 StartTimer(KStartIndicationDelay); |
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217 } |
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218 } |
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219 |
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220 // ----------------------------------------------------------------------------- |
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221 // CBtsacConfigured::CancelOpenAudioLinkL() |
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222 // ----------------------------------------------------------------------------- |
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223 // |
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224 void CBtsacConfigured::CancelOpenAudioLinkL() |
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225 { |
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226 TRACE_FUNC |
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227 CancelActionL(KErrCancel, EGavdpResetReasonGeneral); |
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228 } |
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229 |
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230 // ----------------------------------------------------------------------------- |
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231 // CBtsacConfigured::DisconnectL |
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232 // ----------------------------------------------------------------------------- |
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233 // |
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234 void CBtsacConfigured::DisconnectL() |
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235 { |
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236 TRACE_FUNC |
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237 Parent().CompletePendingRequests(KDisconnectReq, KErrNone); |
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238 // Cancel all other requests |
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239 Parent().CompletePendingRequests(KCompleteAllReqs, KErrCancel); |
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240 Parent().ChangeStateL(CBtsacListening::NewL(Parent(), EGavdpResetReasonGeneral, KErrNone)); |
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241 } |
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242 |
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243 // ----------------------------------------------------------------------------- |
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244 // CBtsacConfigured::GAVDP_StartStreamsConfirm() |
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245 // ----------------------------------------------------------------------------- |
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246 // |
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247 void CBtsacConfigured::GAVDP_StartStreamsConfirm() |
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248 { |
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249 TRACE_FUNC |
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250 if ( Parent().iStreamer->StartStream(Parent().iStreamingSockets[0], Parent().iStreamer->FrameLength()) != KErrNone ) |
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251 { |
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252 TRACE_INFO((_L("CBtsacConfigured::GAVDP_StartStreamsConfirm() [ERR] Could not start streaming!"))) |
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253 TInt err = Parent().AbortStream(); |
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254 if(err) |
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255 { |
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256 TRACE_INFO((_L("CBtsacConfigured::GAVDP_StartStreamsConfirm() [ERR] Couldn't abort stream."))) |
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257 } |
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258 TRAP_IGNORE(CancelActionL(KErrNotReady, EGavdpResetReasonGeneral)); |
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259 } |
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260 else |
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261 { |
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262 TBool Collision = iStartStreamStatus == EStartCollision ? ETrue : EFalse; |
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263 Parent().CompletePendingRequests(KOpenAudioReq, KErrNone); |
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264 TRAP_IGNORE(Parent().ChangeStateL(CBtsacStreaming::NewL(Parent(), EAudioOpenedByAFW, Collision))); |
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265 } |
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266 } |
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267 |
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268 // ----------------------------------------------------------------------------- |
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269 // CBtsacConfigured::GAVDP_StartIndication |
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270 // ----------------------------------------------------------------------------- |
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271 // |
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272 TInt CBtsacConfigured::GAVDP_StartIndication(TSEID aLocalSEID) |
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273 { |
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274 TRACE_INFO((_L("CBtsacConfigured::GAVDP_StartIndication() aLocalSEID:%d"), aLocalSEID.SEID())) |
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275 (void) aLocalSEID; |
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276 StopTimer(); |
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277 // Check if acc fw has already requested to open audio |
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278 if(Parent().IsOpenAudioReqFromAccFWPending()) |
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279 { |
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280 if(iStartStreamStatus == EStartSendBySrc) |
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281 { |
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282 // Src has also sent start stream cmd. |
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283 iStartStreamStatus = EStartCollision; |
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284 } |
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285 |
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286 GAVDP_StartStreamsConfirm(); |
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287 } |
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288 else |
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289 { |
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290 // Accessory has send this indication. |
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291 // CBtsacStreaming state can use this indication to start audio automatically then later. |
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292 TRAPD(err, Parent().ChangeStateL(CBtsacStreaming::NewL(Parent(), EAudioOpenedByAcc, EFalse))); |
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293 if (err) |
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294 { |
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295 TRACE_INFO((_L("CBtsacConfigured::GAVDP_StartIndication() Couldn't change state."))) |
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296 return KErrNoMemory; |
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297 } |
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298 } |
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299 return KErrNone; |
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300 } |
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301 |
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302 // ----------------------------------------------------------------------------- |
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303 // CBtsacConfigured::RequestCompletedL |
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304 // ----------------------------------------------------------------------------- |
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305 // |
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306 void CBtsacConfigured::RequestCompletedL(CBtsacActive& aActive) |
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307 { |
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308 TRACE_FUNC |
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309 switch(aActive.RequestId()) |
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310 { |
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311 case KRequestIdTimer: |
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312 { |
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313 if(Parent().IsOpenAudioReqFromAccFWPending()) |
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314 { |
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315 // Well, seems that accessory didn't send us GAVDP_StartIndication. Let's try to open audio. |
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316 // Over write iAudioOpenedBy previous value and call open audio |
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317 iAudioOpenedBy = EAudioOpenedByAFW; |
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318 OpenAudioLinkL(Parent().GetRemoteAddr()); |
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319 } |
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320 break; |
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321 } |
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322 default: |
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323 { |
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324 TRACE_INFO((_L("CBtsacConfigured::RequestCompletedL() Unknown request"))) |
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325 break; |
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326 } |
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327 } |
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328 } |
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329 |
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330 // ----------------------------------------------------------------------------- |
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331 // CBtsacConfigured::CancelRequest |
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332 // ----------------------------------------------------------------------------- |
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333 // |
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334 void CBtsacConfigured::CancelRequest(CBtsacActive& aActive) |
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335 { |
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336 TRACE_FUNC |
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337 if(aActive.RequestId() == KRequestIdTimer ) |
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338 { |
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339 iTimer.Cancel(); |
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340 } |
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341 else |
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342 { |
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343 TRACE_INFO((_L("CBtsacConfigured::CancelRequest() Unknown request"))) |
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344 } |
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345 } |
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346 |
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347 // ----------------------------------------------------------------------------- |
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348 // CBtsacConfigured::HandleGavdpErrorL |
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349 // ----------------------------------------------------------------------------- |
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350 // |
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351 void CBtsacConfigured::HandleGavdpErrorL(TInt aError) |
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352 { |
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353 TRACE_FUNC |
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354 StopTimer(); |
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355 switch (aError) |
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356 { |
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357 case KErrAvdtpRequestTimeout: // -18005 |
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358 case (KErrAvdtpSignallingErrorBase - EAvdtpBadState): // 18094 |
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359 { |
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360 TRACE_INFO((_L("CBtsacConfigured::HandleGavdpErrorL() Request TIMEOUT/Bad state"))) |
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361 TInt err = Parent().AbortStream(); |
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362 if(!err) |
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363 { |
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364 // Complete Connect/Audio requests in Aborting state |
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365 Parent().ChangeStateL(CBtsacAborting::NewL(Parent())); |
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366 } |
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367 else |
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368 { |
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369 CancelActionL(KErrDisconnected, EGavdpResetReasonGeneral); |
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370 } |
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371 break; |
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372 } |
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373 case KErrHCILinkDisconnection: // -6305 |
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374 case KErrDisconnected: // -36 |
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375 { |
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376 TRACE_INFO((_L("CBtsacConfigured::HandleGavdpErrorL() Signalling disconnected."))) |
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377 CancelActionL(aError, EGavdpResetReasonNone); |
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378 break; |
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379 } |
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380 default: |
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381 { |
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382 CancelActionL(KErrDisconnected, EGavdpResetReasonGeneral); |
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383 break; |
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384 } |
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385 } |
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386 } |
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387 |
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388 // End of File |