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1 // Copyright (c) 2006-2009 Nokia Corporation and/or its subsidiary(-ies). |
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2 // All rights reserved. |
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3 // This component and the accompanying materials are made available |
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4 // under the terms of "Eclipse Public License v1.0" |
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5 // which accompanies this distribution, and is available |
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6 // at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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7 // |
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8 // Initial Contributors: |
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9 // Nokia Corporation - initial contribution. |
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10 // |
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11 // Contributors: |
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12 // |
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13 // Description: |
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14 // |
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15 |
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16 |
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17 |
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18 #include "cdevtonecontrol.h" |
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19 |
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20 #include <a3f/maudiocontext.h> |
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21 #include <a3f/mbuffersource.h> |
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22 #include <a3f/maudiocodec.h> |
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23 #include <a3f/maudiogaincontrol.h> |
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24 #include <a3f/audioprocessingunittypeuids.h> |
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25 |
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26 |
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27 // --------------------------------------------------------------------------- |
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28 // Default constructor |
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29 // --------------------------------------------------------------------------- |
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30 // |
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31 CDevToneControl::CDevToneControl() |
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32 { |
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33 TRACE_CREATE(); |
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34 DP_CONTEXT(CDevToneControl::CDevToneControl *CD1*, CtxDevSound, DPLOCAL); |
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35 DP_IN(); |
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36 DP_OUT(); |
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37 } |
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38 |
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39 // ----------------------------------------------------------------------------- |
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40 // Symbian 2nd phase constructor |
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41 // ----------------------------------------------------------------------------- |
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42 // |
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43 void CDevToneControl::ConstructL(CDevAudio* aDevAudio, MDevSoundAdaptationObserver& aDevSoundObserver) |
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44 { |
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45 DP_CONTEXT(CDevToneControl::ConstructL *CD1*, CtxDevSound, DPLOCAL); |
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46 DP_IN(); |
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47 CDevAudioControl::ConstructL(aDevAudio, aDevSoundObserver); |
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48 DP_OUT(); |
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49 } |
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50 |
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51 // ----------------------------------------------------------------------------- |
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52 // Symbian constructor |
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53 // ----------------------------------------------------------------------------- |
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54 // |
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55 CDevToneControl* CDevToneControl::NewL(CDevAudio* aDevAudio, MDevSoundAdaptationObserver& aDevSoundObserver) |
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56 { |
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57 DP_STATIC_CONTEXT(CDevToneControl::NewL *CD0*, CtxDevSound, DPLOCAL); |
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58 DP_IN(); |
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59 CDevToneControl* self = new (ELeave) CDevToneControl(); |
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60 CleanupStack::PushL(self); |
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61 self->ConstructL(aDevAudio, aDevSoundObserver); |
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62 CleanupStack::Pop(self); |
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63 DP0_RET(self, "0x%x"); |
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64 } |
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65 |
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66 // --------------------------------------------------------------------------- |
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67 // Destructor |
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68 // --------------------------------------------------------------------------- |
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69 // |
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70 CDevToneControl::~CDevToneControl() |
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71 { |
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72 DP_CONTEXT(CDevToneControl::~CDevToneControl *CD1*, CtxDevSound, DPLOCAL); |
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73 DP_IN(); |
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74 DP_OUT(); |
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75 } |
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76 |
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77 // ----------------------------------------------------------------------------- |
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78 // CDevToneControl::Initialize |
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79 // ----------------------------------------------------------------------------- |
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80 // |
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81 TInt CDevToneControl::Initialize(TUid aFormat) |
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82 { |
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83 DP_CONTEXT(CDevToneControl::Initialize *CD1*, CtxDevSound, DPLOCAL); |
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84 DP_IN(); |
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85 ASSERT(iDevAudio->iAudioSource && iDevAudio->iAudioCodec && iGainControl); |
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86 TInt err(KErrNone); |
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87 |
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88 // Adding pUnits |
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89 err = iDevAudio->iAudioStream->AddSource(iDevAudio->iAudioSource); |
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90 if (err == KErrNone) |
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91 { |
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92 err = iDevAudio->iAudioStream->AddSink(iDevAudio->iAudioSink); |
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93 if (err == KErrNone) |
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94 { |
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95 err = iDevAudio->iAudioStream->AddAudioCodec(iDevAudio->iAudioCodec); |
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96 } |
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97 } |
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98 |
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99 // KErrAlreadyExist shouldn't occurr |
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100 // It's mandatory unregister any observer when no more events are required |
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101 // Otherwise the notifications will be sent to all previously registered observer |
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102 // when reinitialising for different mode |
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103 err = iDevAudio->iAudioStream->RegisterAudioStreamObserver(*this); |
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104 if (err != KErrNone) |
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105 { |
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106 DP0_RET(err, "Stream observer registeration failed, err = %d"); |
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107 } |
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108 iGainControl->RegisterAudioGainControlObserver(*this); |
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109 if (err != KErrNone) |
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110 { |
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111 DP0_RET(err, "Gaincontrol observer registeration failed, err = %d"); |
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112 } |
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113 |
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114 err = CacheAudioCodecIf(); |
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115 if (err != KErrNone) |
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116 { |
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117 DP0_RET(err, "CacheAudioCodecIf() failed, err = %d"); |
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118 } |
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119 |
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120 err = iAudioCodecIf->RegisterAudioCodecObserver(*this); |
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121 if(err != KErrNone) |
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122 { |
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123 DP0_RET(err, "Registration failed, err = %d"); |
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124 } |
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125 |
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126 __ASSERT_ALWAYS (iAudioCodecIf, CDevAudioControl::Panic(EAudioCodecIsNull)); |
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127 err = iAudioCodecIf->SetFormat(aFormat); |
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128 if (err!=KErrNone) |
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129 { |
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130 DP0_RET(err, "SetFormat() failed, err = %d"); |
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131 } |
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132 |
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133 // Needed to get ProcessingUnitError notification |
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134 err = iDevAudio->iAudioCodec->RegisterProcessingUnitObserver(*this); |
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135 if ((err != KErrAlreadyExists) && (err != KErrNone)) |
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136 { |
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137 DP0_RET(err, "Audiocodec observer registeration failed, err = %d"); |
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138 } |
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139 |
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140 // get correct BufferSource interface of DevAudio::iAudioSource |
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141 TAny* interface = iDevAudio->iAudioSource->Interface(KUidMmfBufferSource); |
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142 if (interface == NULL) |
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143 { |
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144 DP0_RET(KErrNotSupported, "Incorrect source type! %d"); |
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145 } |
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146 else |
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147 { |
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148 iBufferSource = static_cast<MMMFBufferSource*>(interface); |
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149 err = iBufferSource->SetDataSupplier(*this); |
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150 if (err != KErrNone ) |
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151 { |
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152 DP0_RET(err, "Data suplier setting failed, err = %d"); |
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153 } |
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154 } |
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155 |
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156 err = iDevAudio->iAudioStream->Initialize(); |
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157 if (err == KErrNone) |
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158 { |
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159 err = iDevAudio->CommitAudioContext(); |
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160 } |
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161 if (err == KErrNone) |
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162 { |
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163 iDevAudio->iActiveState = EDevSoundAdaptorInitialising; |
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164 } |
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165 |
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166 DP0_RET(err,"%d"); |
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167 } |
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168 |
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169 |
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170 // ----------------------------------------------------------------------------- |
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171 // CDevToneControl::ProcessInit |
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172 // ----------------------------------------------------------------------------- |
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173 // |
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174 TInt CDevToneControl::ProcessInit() |
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175 { |
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176 DP_CONTEXT(CDevToneControl::ProcessInit *CD1*, CtxDevSound, DPLOCAL); |
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177 DP_IN(); |
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178 PRF(PRF_ID, PRF_START, PRF_TIME, AA_DS_PlayTone, ""); |
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179 TInt err(KErrNone); |
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180 |
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181 DP1(DLINFO,"iActiveState = %d", iDevAudio->iActiveState); |
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182 switch (iDevAudio->iActiveState) |
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183 { |
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184 case EDevSoundAdaptorInitialised_Initialised: |
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185 { |
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186 if (iDevAudio->IsPrioritySet()) |
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187 { |
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188 TAudioTypeSettings priority; |
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189 iDevAudio->GetPrioritySettings(priority); |
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190 err = iDevAudio->iAudioStream->SetAudioType(priority); |
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191 } |
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192 if ( err == KErrNone) |
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193 { |
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194 err = iDevAudio->iAudioStream->Load(); |
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195 } |
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196 if ( err == KErrNone) |
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197 { |
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198 err = iDevAudio->CommitAudioContext(); |
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199 } |
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200 if(err == KErrNone) |
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201 { |
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202 iDevAudio->iActiveState = EDevSoundAdaptorLoading; |
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203 } |
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204 } |
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205 break; |
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206 |
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207 case EDevSoundAdaptorGoingActive: |
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208 { |
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209 //If following condition is false, then we are here because of a |
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210 //pre-emption clash in last Commit cycle started from |
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211 //CDevCommonControl::ContextEventUpdateWithStateEventNoError. |
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212 if(iDevAudio->iPreviousState != EDevSoundAdaptorActivating) |
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213 { |
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214 break; |
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215 } |
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216 //Fall through as required |
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217 } |
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218 case EDevSoundAdaptorPaused_Primed: |
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219 case EDevSoundAdaptorInitialised_Idle: |
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220 { |
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221 //If following condition is true, then we are here because of a |
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222 //pre-emption clash in last Commit cycle started from |
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223 //CDevCommonControl::ContextEventUpdateWithStateEventAndError. |
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224 if(iDevAudio->iPreviousState == EDevSoundAdaptorUnloading) |
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225 { |
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226 err = Unload(); |
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227 break; |
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228 } |
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229 DP0(DLINFO, "Already in loaded state"); |
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230 err = iDevAudio->RequestGainAndBalance(this); |
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231 if (err==KErrNone) |
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232 { |
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233 err = iDevAudio->iAudioStream->Activate(); |
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234 } |
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235 if (err == KErrNone) |
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236 { |
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237 err = iDevAudio->CommitAudioContext(); |
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238 } |
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239 if (err == KErrNone) |
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240 { |
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241 iDevAudio->iActiveState = EDevSoundAdaptorActivating; |
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242 } |
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243 break; |
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244 } |
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245 case EDevSoundAdaptorActive_Active: |
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246 default: |
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247 err = KErrNotReady; |
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248 break; |
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249 } |
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250 DP0_RET(err,"%d"); |
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251 } |
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252 |
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253 // ----------------------------------------------------------------------------- |
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254 // CDevToneControl::ProcessData |
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255 // ----------------------------------------------------------------------------- |
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256 // |
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257 void CDevToneControl::ProcessData() |
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258 { |
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259 DP_CONTEXT(CDevToneControl::ProcessData *CD1*, CtxDevSound, DPLOCAL); |
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260 DP_IN(); |
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261 DP_OUT(); |
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262 } |
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263 |
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264 // ----------------------------------------------------------------------------- |
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265 // From class MAudioDataSupplier |
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266 // CDevToneControl::BufferToBeFilled |
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267 // ----------------------------------------------------------------------------- |
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268 // |
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269 void CDevToneControl::BufferToBeFilled(MMMFBufferSource* aSource, CMMFBuffer* aBuffer) |
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270 { |
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271 DP_CONTEXT(CDevToneControl::BufferToBeFilled *CD1*, CtxDevSound, DPLOCAL); |
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272 DP_IN(); |
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273 __ASSERT_ALWAYS(iBufferSource==aSource, CDevAudioControl::Panic(EBufferMismatch)); |
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274 TInt err = KErrNone; |
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275 |
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276 CMMFDataBuffer* myBuffer = static_cast<CMMFDataBuffer*> (aBuffer); |
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277 Mem::Copy((TAny*)(myBuffer->Data().Ptr()), (TAny*)(&iToneData), sizeof(TToneData) ); |
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278 |
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279 myBuffer->SetLastBuffer(ETrue); |
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280 |
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281 err = iBufferSource->BufferFilled(myBuffer); |
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282 if ( err != KErrNone) |
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283 { |
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284 iErrorCondition = err; |
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285 Stop(); |
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286 } |
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287 |
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288 DP_OUT(); |
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289 } |
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290 |
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291 // ----------------------------------------------------------------------------- |
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292 // From class MAudioDataSupplier |
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293 // CDevToneControl::DiscardBuffers |
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294 // ----------------------------------------------------------------------------- |
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295 // |
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296 void CDevToneControl::DiscardBuffers(MMMFBufferSource* /*aSource*/) |
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297 { |
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298 DP_CONTEXT(CDevToneControl::DiscardBuffers *CD1*, CtxDevSound, DPLOCAL); |
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299 DP_IN(); |
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300 DP_OUT(); |
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301 } |
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302 |
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303 // ----------------------------------------------------------------------------- |
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304 // CDevToneControl::ProcessingFinished |
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305 // ----------------------------------------------------------------------------- |
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306 // |
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307 void CDevToneControl::ProcessingFinished(MAudioStream& /*aStream*/) |
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308 { |
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309 DP_CONTEXT(CDevToneControl::ProcessingFinished *CD1*, CtxDevSound, DPLOCAL); |
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310 DP_IN(); |
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311 PRF(PRF_ID, PRF_STOP, PRF_TIME, AA_DS_PlayTone, ""); |
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312 |
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313 if(iCallbackFromAdaptor == KCallbackNone) |
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314 { |
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315 iCallbackFromAdaptor = KCallbackProcessingFinished; |
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316 iAdaptationObserver->CallbackFromAdaptorReceived(KCallbackProcessingFinished, KErrNone); |
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317 } |
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318 else |
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319 { |
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320 // Multiple callbacks from adaptor |
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321 DP0(DLERR, "Multiple callbacks from adaptor"); |
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322 } |
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323 DP_OUT(); |
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324 } |
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325 |
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326 // ----------------------------------------------------------------------------- |
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327 // CDevToneControl::SetToneData |
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328 // ----------------------------------------------------------------------------- |
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329 // |
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330 TInt CDevToneControl::SetToneData(TToneData& aToneData) |
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331 { |
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332 DP_CONTEXT(CDevToneControl::SetToneData *CD1*, CtxDevSound, DPLOCAL); |
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333 DP_IN(); |
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334 |
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335 iToneData = aToneData; |
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336 |
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337 DP0_RET(KErrNone, "%d"); |
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338 } |
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339 |
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340 |
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341 // ----------------------------------------------------------------------------- |
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342 // CDevToneControl::FinishWithError |
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343 // ----------------------------------------------------------------------------- |
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344 // |
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345 void CDevToneControl::FinishWithError(TInt aError) // from CDevCommonControl |
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346 { |
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347 iAdaptationObserver->ToneFinished(aError); |
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348 } |
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349 |
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350 |
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351 // ----------------------------------------------------------------------------- |
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352 // CDevPlayControl::ProcessingFinishedReceived |
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353 // ----------------------------------------------------------------------------- |
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354 // |
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355 TInt CDevToneControl::ProcessingFinishedReceived(TBool& asyncOperation) |
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356 { |
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357 DP_CONTEXT(CDevToneControl::ProcessingFinishedReceived *CD1*, CtxDevSound, DPLOCAL); |
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358 DP_IN(); |
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359 asyncOperation = EFalse; |
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360 TInt err = iDevAudio->iAudioStream->Stop(); |
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361 if ( err == KErrNone) |
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362 { |
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363 err = iDevAudio->CommitAudioContext(); |
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364 if(err == KErrNone) |
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365 { |
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366 iDevAudio->iActiveState = EDevSoundAdaptorStopping; |
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367 asyncOperation = ETrue; |
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368 } |
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369 } |
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370 // Something was wrong, clear the flag. |
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371 if (err != KErrNone) |
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372 { |
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373 iCallbackFromAdaptor = KCallbackNone; |
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374 } |
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375 DP0_RET(err,"%d"); |
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376 } |
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377 |
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378 // --------------------------------------------------------------------------- |
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379 // CDevToneControl::ProcessingError |
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380 // --------------------------------------------------------------------------- |
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381 TInt CDevToneControl::ProcessingError(TBool& aAyncOperation) |
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382 { |
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383 TInt err = ProcessingFinishedReceived(aAyncOperation); |
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384 return err; |
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385 } |
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386 // End of file |