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1 /* |
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2 * Copyright (c) 2005-2006 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: |
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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 #include <mmfformat.h> |
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21 #include <mmfclip.h> |
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22 #include <mdaaudiosampleeditor.h> |
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23 #include <mmfcontrollerimplementationuids.hrh> |
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24 #include <mmffourcc.h> |
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25 #include <mmfpaniccodes.h> |
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26 #include "MmfAudioController.h" |
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27 #include "mmffile.h" |
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28 #include <mmf/server/mmfformatstandardcustominterfaces.h> |
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29 #include "devsoundstandardcustominterfaces.h" |
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30 #include "CustomInterfaceBuilder.h" |
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31 #include "CustomInterfaceCustomCommandParser.h" |
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32 #include <mmfdatapath2.h> |
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33 #include <ConfigurationComponentsFactory.h> |
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34 #include <AudioOutputControlUtility.h> |
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35 |
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36 const TUint KSampleRate8000Hz = 8000; |
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37 const TUint KSampleRate11025Hz = 11025; |
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38 const TUint KSampleRate12000Hz = 12000; |
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39 const TUint KSampleRate16000Hz = 16000; |
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40 const TUint KSampleRate22050Hz = 22050; |
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41 const TUint KSampleRate24000Hz = 24000; |
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42 const TUint KSampleRate32000Hz = 32000; |
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43 const TUint KSampleRate44100Hz = 44100; |
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44 const TUint KSampleRate48000Hz = 48000; |
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45 const TUint KSampleRate64000Hz = 64000; |
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46 const TUint KSampleRate88200Hz = 88200; |
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47 const TUint KSampleRate96000Hz = 96000; |
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48 const TUint KNumChannelsMono = 1; |
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49 const TUint KNumChannelsStereo = 2; |
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50 |
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51 /* |
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52 TMmfAudioControllerPanics is an enumeration with the following entries: |
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53 EBadArgument indicates a bad argument |
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54 EBadState indicates a state viaolation |
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55 EBadInvariant indicates an invariant violation |
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56 EBadReset indicates failed reset |
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57 EPostConditionViolation indicates a post condition violation |
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58 */ |
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59 enum TMmfAudioControllerPanics |
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60 { |
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61 EBadArgument, |
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62 EBadState, |
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63 EBadInvariant, |
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64 EBadReset, |
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65 EPostConditionViolation |
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66 }; |
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67 |
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68 /** |
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69 This method generates a panic |
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70 |
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71 @param aPanicCode |
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72 */ |
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73 void Panic(TInt aPanicCode) |
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74 { |
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75 _LIT(KMMFAudioControllerPanicCategory, "MMFAudioController"); |
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76 User::Panic(KMMFAudioControllerPanicCategory, aPanicCode); |
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77 } |
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78 |
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79 /** |
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80 * Static NewL |
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81 * |
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82 * @return CMMFAudioController* |
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83 */ |
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84 CMMFController* CMMFAudioController::NewL() |
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85 { |
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86 CMMFAudioController* self = new(ELeave) CMMFAudioController; |
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87 CleanupStack::PushL(self); |
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88 self->ConstructL(); |
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89 CleanupStack::Pop( self ); |
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90 return STATIC_CAST( CMMFController*, self ); |
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91 } |
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92 |
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93 /** |
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94 * ConstructL |
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95 * |
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96 */ |
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97 void CMMFAudioController::ConstructL() |
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98 { |
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99 iDataSource = NULL; |
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100 iDataSink = NULL; |
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101 iDataPath = CMMFDataPath2::NewL(iMediaId, *this); |
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102 iSourceFormat = NULL; |
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103 iSinkFormat = NULL; |
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104 iSourceAndSinkAdded = EFalse; |
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105 iStoppingRecording = EFalse; |
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106 iStoppingPlaying = EFalse; |
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107 |
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108 //iMediaId has already been set up |
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109 SetState( EStopped ); |
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110 //iPrioritySettings not initialised because they are held by the controller framework |
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111 |
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112 // Construct custom command parsers |
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113 CMMFAudioPlayDeviceCustomCommandParser* audPlayDevParser = CMMFAudioPlayDeviceCustomCommandParser::NewL(*this); |
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114 CleanupStack::PushL(audPlayDevParser); |
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115 AddCustomCommandParserL(*audPlayDevParser); |
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116 CleanupStack::Pop( audPlayDevParser ); |
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117 |
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118 CMMFAudioRecordDeviceCustomCommandParser* audRecDevParser = CMMFAudioRecordDeviceCustomCommandParser::NewL(*this); |
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119 CleanupStack::PushL(audRecDevParser); |
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120 AddCustomCommandParserL(*audRecDevParser); |
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121 CleanupStack::Pop(audRecDevParser); |
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122 |
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123 CMMFAudioPlayControllerCustomCommandParser* audPlayConParser = CMMFAudioPlayControllerCustomCommandParser::NewL(*this); |
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124 CleanupStack::PushL(audPlayConParser); |
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125 AddCustomCommandParserL(*audPlayConParser); |
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126 CleanupStack::Pop(audPlayConParser); |
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127 |
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128 CMMFAudioRecordControllerCustomCommandParser* audRecConParser = CMMFAudioRecordControllerCustomCommandParser::NewL(*this); |
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129 CleanupStack::PushL(audRecConParser); |
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130 AddCustomCommandParserL(*audRecConParser); |
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131 CleanupStack::Pop(audRecConParser); |
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132 |
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133 CMMFAudioControllerCustomCommandParser* audConParser = CMMFAudioControllerCustomCommandParser::NewL(*this); |
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134 CleanupStack::PushL(audConParser); |
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135 AddCustomCommandParserL(*audConParser); |
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136 CleanupStack::Pop(audConParser); |
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137 |
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138 #ifdef SYMBIAN_CAF_V2 |
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139 CMMFDRMCustomCommandParser* drmParser = CMMFDRMCustomCommandParser::NewL(*this); |
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140 CleanupStack::PushL(drmParser); |
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141 AddCustomCommandParserL(*drmParser); |
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142 CleanupStack::Pop(drmParser); |
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143 #endif |
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144 |
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145 CMMFResourceNotificationCustomCommandParser* NotiParser = CMMFResourceNotificationCustomCommandParser::NewL(*this); |
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146 CleanupStack::PushL(NotiParser); |
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147 AddCustomCommandParserL(*NotiParser); |
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148 CleanupStack::Pop(NotiParser);//audio resource Notification Parser |
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149 |
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150 CCustomInterfaceCustomCommandParser* customInterfaceParser = CCustomInterfaceCustomCommandParser::NewL(*this); |
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151 CleanupStack::PushL(customInterfaceParser); |
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152 AddCustomCommandParserL(*customInterfaceParser); |
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153 CleanupStack::Pop(customInterfaceParser); |
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154 |
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155 CMMFAudioPlayControllerSetRepeatsCustomCommandParser* audPlayConSetRepeatsParser = CMMFAudioPlayControllerSetRepeatsCustomCommandParser::NewL(*this); |
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156 CleanupStack::PushL(audPlayConSetRepeatsParser); |
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157 AddCustomCommandParserL(*audPlayConSetRepeatsParser); |
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158 CleanupStack::Pop(audPlayConSetRepeatsParser); |
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159 |
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160 TInt err = CConfigurationComponentsFactory::CreateFactoryL(iFactory); |
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161 User::LeaveIfError(err); |
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162 |
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163 if (iFactory) |
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164 { |
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165 err = iFactory->CreateAudioOutputControlUtility(iAudioOutputControlUtility); |
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166 User::LeaveIfError(err); |
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167 } |
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168 // [ assert the invariant now that we are constructed ] |
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169 __ASSERT_ALWAYS( Invariant(), Panic( EBadInvariant)); |
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170 } |
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171 |
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172 /** |
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173 * |
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174 * CMMFAudioController |
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175 * |
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176 */ |
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177 |
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178 CMMFAudioController::CMMFAudioController() |
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179 : iMediaId(KUidMediaTypeAudio), |
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180 iDisableAutoIntent(EFalse), |
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181 iState(EStopped) |
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182 { |
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183 } |
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184 |
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185 /** |
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186 * |
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187 * ~CMMFAudioController |
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188 * |
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189 */ |
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190 |
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191 CMMFAudioController::~CMMFAudioController() |
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192 { |
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193 // [ ensure we have logged off the thread ] |
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194 if(iAudioOutputControlUtility) |
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195 delete iAudioOutputControlUtility; |
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196 if(iFactory) |
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197 delete iFactory; |
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198 if( iDataPath ) |
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199 { |
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200 TRAP_IGNORE(iDataPath->ResetL()); // this does not leave |
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201 } |
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202 delete iDataPath; |
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203 delete iSourceFormat; |
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204 delete iSinkFormat; |
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205 delete iStoppingMessage; |
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206 } |
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207 |
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208 /** |
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209 * AddDataSourceL |
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210 * |
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211 * Adds a data source to the controller |
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212 * |
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213 * @param aSource |
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214 * Preconditions: |
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215 * We are stopped |
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216 * Source does not already exist |
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217 * Postconditions: |
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218 * iDataSource != NULL |
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219 * iDataSourceAdded == ETrue |
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220 */ |
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221 void CMMFAudioController::AddDataSourceL(MDataSource& aSource) |
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222 { |
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223 //[ assert the invariant ] |
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224 __ASSERT_ALWAYS( Invariant(), Panic( EBadInvariant)); |
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225 |
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226 // [ precondition that the controller is stopped ] |
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227 if( State() != EStopped ) |
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228 User::Leave( KErrNotReady ); |
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229 |
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230 //[ precondition iData source is not already configured ] |
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231 if (iDataSource) |
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232 User::Leave(KErrAlreadyExists); |
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233 |
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234 // Note that this code is not generic for sources |
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235 // It it only checks for file, des clips and audio inputs |
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236 // If a new source type eg a Url Clip then this needs to be added to the supported source Uids |
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237 if ( SourceFormatRequired( aSource) ) |
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238 { |
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239 // Get the format from the Source if possible from no specific supplier |
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240 TRAPD(err, iSourceFormat = CMMFFormatDecode::NewL(&aSource, KNullDesC, iSourceFormatSupportsCustomInterfaces)); |
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241 //[ we want to complete silently for KErrNotSupported |
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242 // because there is a possibility that the client |
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243 // wants to add the data format later, see audio api for |
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244 // a description of this feature] |
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245 if ((err != KErrNotSupported) && (err != KErrNone)) |
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246 { |
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247 User::Leave(err); |
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248 } |
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249 } |
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250 else if (aSource.DataSourceType()==KUidMmfAudioInput) |
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251 { |
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252 //[ ensure that the audio input has a pointer to dev sound ] |
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253 CMMFAudioInput* audioInput = STATIC_CAST(CMMFAudioInput*, &aSource); |
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254 __ASSERT_ALWAYS( audioInput, Panic(EBadInvariant)); |
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255 // [ lets load dev sound ] |
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256 User::LeaveIfError(audioInput->SourceThreadLogon( *this )); |
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257 } |
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258 else |
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259 { |
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260 User::Leave(KErrNotSupported); |
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261 } |
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262 |
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263 //[ its now safe to set the source ] |
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264 iDataSource = &aSource ; |
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265 iDataSource->SetSourcePrioritySettings(iPrioritySettings); |
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266 |
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267 //[ assert the post condition ] |
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268 __ASSERT_ALWAYS(iDataSource, Panic(EMMFAudioControllerPanicDataSourceDoesNotExist)); |
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269 |
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270 } |
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271 |
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272 |
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273 /** |
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274 * AddDataSinkL |
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275 * |
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276 * Adds a data sink to the controller |
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277 * |
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278 * @param aSink |
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279 * |
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280 */ |
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281 void CMMFAudioController::AddDataSinkL(MDataSink& aSink) |
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282 { |
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283 //[ assert the invariant ] |
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284 __ASSERT_ALWAYS( Invariant(), Panic( EBadInvariant)); |
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285 |
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286 // [ precondition that the controller is stopped ] |
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287 if( State() != EStopped ) |
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288 User::Leave( KErrNotReady ); |
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289 |
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290 // [ assert precondition that sink does not exist ] |
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291 if (iDataSink) |
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292 User::Leave(KErrAlreadyExists); |
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293 |
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294 |
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295 // Note that this code is not generic for sinks |
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296 // It it only checks for file,des clips and audio outputs |
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297 // If a new sink type eg a Url Clip then this needs to be added to the supported source Uids |
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298 if ( SinkFormatRequired( aSink ) ) |
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299 {//the sink is a clip |
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300 |
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301 // Get the format from the Sink if possible from no specific supplier |
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302 TRAPD(err, iSinkFormat = CMMFFormatEncode::NewL(&aSink, KNullDesC)); |
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303 //[ we want to complete silently for KErrNotSupported |
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304 // because there is a possibility that the client |
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305 // wants to add the data format later, see audio api for |
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306 // a description of this feature] |
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307 if ((err != KErrNotSupported) && (err != KErrNone)) |
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308 { |
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309 User::Leave(err); |
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310 } |
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311 } |
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312 else if (aSink.DataSinkType()==KUidMmfAudioOutput) |
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313 { |
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314 |
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315 //[ ensure that the audio output has a pointer to dev sound ] |
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316 CMMFAudioOutput* audioOutput = STATIC_CAST(CMMFAudioOutput*, &aSink); |
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317 __ASSERT_ALWAYS( audioOutput, Panic(EBadInvariant)); |
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318 // [ lets load dev sound ] |
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319 User::LeaveIfError(audioOutput->SinkThreadLogon( *this )); |
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320 audioOutput->SoundDevice().SetClientThreadInfo(ClientThreadIdL()); |
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321 } |
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322 else |
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323 { |
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324 User::Leave(KErrNotSupported); |
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325 } |
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326 |
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327 //[ now that we are sure we have not left we can update the sink |
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328 // transactionally ] |
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329 iDataSink = &aSink; |
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330 iDataSink->SetSinkPrioritySettings(iPrioritySettings); |
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331 |
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332 // [ assert post conditions that a sink has been added ] |
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333 __ASSERT_ALWAYS(iDataSink, Panic(EMMFAudioControllerPanicDataSinkDoesNotExist)); |
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334 |
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335 } |
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336 |
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337 /** |
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338 * PrimeL |
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339 * |
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340 * If Prime fails the client should reset the controller |
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341 * because as noted below this code is not transactional. |
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342 * |
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343 */ |
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344 void CMMFAudioController::PrimeL() |
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345 { |
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346 //[ assert the invariant ] |
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347 __ASSERT_ALWAYS( Invariant(), Panic( EBadInvariant)); |
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348 |
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349 //[ assert the precondition ( in a friendly way for this api |
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350 // that we are either stopped or primed already ] |
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351 if(!(( State() == EStopped ) || (State() == EPrimed ))) |
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352 User::Leave( KErrNotReady ); |
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353 |
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354 // [ precondition we have a data source & sink ] |
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355 __ASSERT_ALWAYS( iDataSource, Panic( EBadInvariant)); |
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356 __ASSERT_ALWAYS( iDataSink, Panic( EBadInvariant)); |
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357 |
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358 |
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359 //[ precondition that we need a source format ] |
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360 if ( SourceFormatRequired(*iDataSource) && !(iSourceFormat)) |
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361 User::Leave( KErrNotSupported ); |
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362 |
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363 // [ check the precondition if we need a data sink format ] |
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364 if ( SinkFormatRequired(*iDataSink) && !( iSinkFormat )) |
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365 { |
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366 User::Leave( KErrNotSupported ); |
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367 } |
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368 |
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369 // [ ideally this code should be transaction based and |
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370 // if failure occurs we roll back to the previous state |
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371 // in the code below this is not the case and the controller |
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372 // can be left in an unstable state should any part of prime fail] |
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373 if (iState == EStopped) |
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374 { //datapath propagates prime to sink & source |
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375 |
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376 NegotiateL(); |
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377 |
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378 if (!iSourceAndSinkAdded) |
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379 { |
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380 //add data source and sinks to datapath - Note cant do this in AddDataSource/Sink |
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381 //because the sources and sinks aren't configured at this point |
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382 if (iSourceFormat) |
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383 iDataPath->AddDataSourceL(iSourceFormat); |
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384 else if (iDataSource) |
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385 iDataPath->AddDataSourceL(iDataSource); |
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386 if (iSinkFormat) |
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387 iDataPath->AddDataSinkL(iSinkFormat); |
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388 else if (iDataSink) |
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389 iDataPath->AddDataSinkL(iDataSink); |
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390 iSourceAndSinkAdded = ETrue ; |
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391 } |
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392 |
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393 iDataPath->PrimeL(); |
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394 if (iSourceFormat) |
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395 { |
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396 //in case of imaadpcm format set the output block length |
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397 |
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398 TFourCC sourceFourCC = iSourceFormat->SourceDataTypeCode(TMediaId(KUidMediaTypeAudio)); |
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399 if ((sourceFourCC == KMMFFourCCCodeIMAD) && iSourceFormatSupportsCustomInterfaces) |
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400 { |
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401 CMMFFormatDecode2* decode2 = static_cast<CMMFFormatDecode2*>(iSourceFormat); |
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402 MMMFDecodeCustomInterfaceBlockLength* formatBlockLengthCI = static_cast<MMMFDecodeCustomInterfaceBlockLength*>(decode2->CustomInterface(KUidCustomInterfaceMmfDecodeBlockLength)); |
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403 if (formatBlockLengthCI) |
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404 { |
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405 TInt blockLength = formatBlockLengthCI->FileBlockLength(); |
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406 |
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407 //********** Symbian Change. |
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408 //TInt err = KErrNotSupported; |
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409 //if (iSinkFormat) |
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410 // { |
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411 // err = iDataPath->SetBlockLength(blockLength); |
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412 // } |
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413 //************ |
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414 TInt err = iDataPath->SetBlockLength(blockLength); |
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415 |
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416 if ((err != KErrNone) && (iDataSink)) |
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417 { |
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418 MMMFAudioOutput* audioOutput = static_cast<MMMFAudioOutput*>(iDataSink); |
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419 MMMFDevSoundCustomInterfaceFileBlockLength* fileBlockLengthCI = static_cast<MMMFDevSoundCustomInterfaceFileBlockLength*>(audioOutput->SoundDevice().CustomInterface(KUidCustomInterfaceDevSoundFileBlockLength)); |
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420 |
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421 if (fileBlockLengthCI) |
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422 { |
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423 fileBlockLengthCI->SetFileBlockLength(blockLength); |
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424 err = KErrNone; |
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425 } |
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426 } |
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427 User::LeaveIfError(err); |
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428 } |
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429 } |
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430 } |
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431 |
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432 if ((iSinkFormat) && (!iSourceFormat)) |
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433 {//we are recording to a clip so the data path position is the sink |
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434 //need to set datapath position to end of format pos (incase sink clip already exists |
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435 TTimeIntervalMicroSeconds duration = iSinkFormat->Duration(iMediaId); |
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436 if (duration != TTimeIntervalMicroSeconds(0)) |
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437 {//the file already exists and has a duration so set data path position to the end of the file |
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438 iDataPath->SetPositionL(duration); |
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439 } |
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440 } |
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441 //[ it is now safe to make the transition to primed ] |
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442 SetState( EPrimed ); |
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443 } |
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444 else if (State() == EPrimed) |
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445 { //controller is already primed so just pass prime onto DP |
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446 iDataPath->PrimeL(); |
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447 } |
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448 |
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449 if (iDataSource->DataSourceType()==KUidMmfFileSource) |
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450 { |
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451 CMMFFile* file = static_cast<CMMFFile*>(iDataSource); |
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452 // we only support protected files for playback |
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453 if (file->IsProtectedL()) |
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454 { |
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455 if (iDataSink->DataSinkType()!=KUidMmfAudioOutput) |
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456 { |
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457 User::Leave(KErrNotSupported); |
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458 } |
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459 TInt err; |
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460 err = iAudioOutputControlUtility->SetDataSource(iDataSource); |
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461 if (err != KErrNone) |
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462 { |
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463 User::Leave(err); |
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464 } |
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465 } |
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466 } |
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467 |
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468 //[ assert the post condition that we are in the state primed] |
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469 __ASSERT_ALWAYS( SetState( EPrimed ), Panic( EPostConditionViolation )); |
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470 // [ assert the invariant] |
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471 __ASSERT_ALWAYS( Invariant(), Panic( EBadInvariant ) ); |
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472 } |
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473 |
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474 /** |
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475 * ResetL |
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476 * This method resets the controller |
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477 * |
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478 */ |
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479 void CMMFAudioController::ResetL() |
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480 { |
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481 __ASSERT_ALWAYS( Invariant(), Panic( EBadInvariant ) ); |
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482 |
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483 // Stop recording if it's not stopped, |
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484 if (State() != EStopped) |
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485 { |
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486 iDataPath->Stop(); |
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487 SetState(EStopped); |
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488 } |
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489 iIsPaused = EFalse; |
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490 |
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491 // Remove references to source and sink |
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492 iDataPath->ResetL(); |
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493 |
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494 delete iSourceFormat; iSourceFormat = NULL ; |
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495 delete iSinkFormat; iSinkFormat = NULL ; |
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496 |
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497 //[ ensure loggoff of source and sink ] |
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498 iDataSource = NULL ; |
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499 iDataSink = NULL ; |
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500 iSourceAndSinkAdded = EFalse; |
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501 |
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502 // [ assert the invariant] |
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503 __ASSERT_ALWAYS( Invariant(), Panic( EBadInvariant ) ); |
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504 |
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505 // [ assert the post condition |
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506 // state == stopped |
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507 // iDataSource is NULL |
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508 // iSourceFormat is NULL |
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509 // iSinkFormat is NULL ] |
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510 __ASSERT_ALWAYS( ResetPostCondition(), Panic( EBadReset )); |
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511 __ASSERT_ALWAYS( Invariant(), Panic(EBadState)); |
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512 } |
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513 |
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514 /** |
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515 * ResetPostCondition |
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516 * This function determnines if the reset post condition is valid |
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517 * @internalTechnology |
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518 */ |
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519 TBool CMMFAudioController::ResetPostCondition() const |
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520 { |
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521 |
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522 TBool result = EFalse ; |
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523 if((iSourceFormat == NULL) && |
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524 (iDataSink == NULL) && |
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525 (iDataSource == NULL) && |
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526 (iSinkFormat == NULL) && |
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527 (State() == EStopped)) |
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528 { |
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529 result = ETrue; |
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530 } |
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531 |
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532 return result; |
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533 } |
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534 |
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535 |
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536 /** |
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537 * |
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538 * PlayL |
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539 * |
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540 */ |
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541 void CMMFAudioController::PlayL() |
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542 { |
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543 // [ assert the precondition that the |
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544 // play command is only activated in the primed state] |
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545 if ( State() != EPrimed) |
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546 { |
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547 User::Leave(KErrNotReady); |
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548 } |
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549 |
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550 // [ assert the Invariant ] |
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551 __ASSERT_ALWAYS( Invariant(), Panic(EBadInvariant)); |
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552 |
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553 // if the position has already been set to the file's duration or |
|
554 // beyond, then don't bother getting the datapath to play - this |
|
555 // avoids sending empty buffers to DevSound |
|
556 if (iDataSink->DataSinkType() == KUidMmfAudioOutput && |
|
557 PositionL() >= DurationL()) |
|
558 { |
|
559 SendEventToClient(TMMFEvent(KMMFEventCategoryPlaybackComplete, KErrNone)); |
|
560 return; |
|
561 } |
|
562 |
|
563 // Execute play intent |
|
564 // This must be done after PlayL, as the file might not be open yet |
|
565 // In case of system preemption (like audio is preempted by voice call)ExecuteIntent should not be called. |
|
566 if(!iIsPreemptionPause) |
|
567 { |
|
568 if (!iDisableAutoIntent && iDataSource->DataSourceType()==KUidMmfFileSource) |
|
569 { |
|
570 CMMFFile* file = static_cast<CMMFFile*>(iDataSource); |
|
571 TInt err = file->ExecuteIntent(iIsPaused? ContentAccess::EContinue : ContentAccess::EPlay); |
|
572 if (err != KErrNone) |
|
573 { |
|
574 User::Leave(err); |
|
575 } |
|
576 } |
|
577 } |
|
578 //[datapath propogates play to sink & source] |
|
579 if(iIsPaused) |
|
580 { |
|
581 iDataPath->RetainRepeatInfo(); |
|
582 } |
|
583 |
|
584 //configure Devsound with output restriction for a DRM protected file |
|
585 if (iDataSource->DataSourceType()==KUidMmfFileSource) |
|
586 { |
|
587 CMMFFile* file = static_cast<CMMFFile*>(iDataSource); |
|
588 // we only support protected files for playback |
|
589 if (file->IsProtectedL()) |
|
590 { |
|
591 MMMFAudioOutput* audioOutput = static_cast<MMMFAudioOutput*>(iDataSink); |
|
592 iAudioOutputControlUtility->Configure(audioOutput->SoundDevice()); //ignoring errors since rouitng changes are only suggestions to adaptation |
|
593 } |
|
594 } |
|
595 iDataPath->PlayL(); |
|
596 iIsPreemptionPause = EFalse; |
|
597 iIsPaused = EFalse; |
|
598 SetState( EPlaying ); |
|
599 |
|
600 //[ assert the post condition we are playing ] |
|
601 //No - this assumption is not always true if an error occurs eg OOM |
|
602 //the state could be EStopped |
|
603 // __ASSERT_ALWAYS( (State() == EPlaying ), Panic( EBadState)); |
|
604 //[ assert the invariant ] |
|
605 __ASSERT_ALWAYS( Invariant(), Panic(EBadInvariant)); |
|
606 } |
|
607 |
|
608 /** |
|
609 * PauseL |
|
610 * |
|
611 */ |
|
612 void CMMFAudioController::PauseL() |
|
613 { |
|
614 // [ assert the invariant ] |
|
615 __ASSERT_ALWAYS( Invariant(), Panic(EBadInvariant)); |
|
616 |
|
617 //[ assert the precondition that we are playing ] |
|
618 if ( State() != EPlaying) |
|
619 { |
|
620 User::Leave(KErrNotReady); |
|
621 } |
|
622 // In case of system preemption (like audio is preempted by voice call)ExecuteIntent should not be called. |
|
623 if(!iIsPreemptionPause) |
|
624 { |
|
625 if (!iDisableAutoIntent && iDataSource->DataSourceType()==KUidMmfFileSource) |
|
626 { |
|
627 CMMFFile* file = static_cast<CMMFFile*>(iDataSource); |
|
628 TInt err = file->ExecuteIntent(ContentAccess::EPause); |
|
629 if (err != KErrNone) |
|
630 { |
|
631 User::Leave(err); |
|
632 } |
|
633 } |
|
634 } |
|
635 iIsPaused = ETrue; |
|
636 //[ datapath propogates pause to sink & source ] |
|
637 if(iIsPreemptionPause) |
|
638 { |
|
639 iDataPath->PreEmptionPause(); |
|
640 } |
|
641 else |
|
642 { |
|
643 iDataPath->Pause(); |
|
644 } |
|
645 |
|
646 SetState(EPrimed); |
|
647 |
|
648 //[ assert the post condition we are primed ] |
|
649 __ASSERT_ALWAYS( (State() == EPrimed ), Panic( EBadState)); |
|
650 //[ assert the invariant ] |
|
651 __ASSERT_ALWAYS( Invariant(), Panic(EBadInvariant)); |
|
652 } |
|
653 |
|
654 /** |
|
655 * StopL |
|
656 * |
|
657 */ |
|
658 void CMMFAudioController::StopL(TMMFMessage& aMessage) |
|
659 { |
|
660 //[ assert the invariant ] |
|
661 __ASSERT_ALWAYS( Invariant(), Panic(EBadInvariant)); |
|
662 // [ precondition that we are not already stopped |
|
663 // && if we are stopped do nothing. |
|
664 //If we are stopping a recording, we need to give the datapath chance to |
|
665 //process that data which has already been captured. We therefore stay in the EPlaying |
|
666 //state, but use iStoppingRecording to indicate that we are stopping. |
|
667 |
|
668 if ((State() != EStopped) && !iStoppingRecording && !iStoppingPlaying) |
|
669 { |
|
670 if((State() == EPlaying) && (iDataSource->DataSourceType()==KUidMmfAudioInput)) //we are recording |
|
671 { |
|
672 // datapath is requested to stop recording but process any alreay captured buffers, |
|
673 // the pause method is used for this purpose and as such, the data path must |
|
674 // determine that it is recording to be able to act accordingly. |
|
675 // aMessgae is not completed until datapath advises that it has completed. |
|
676 iDataPath->Pause(); |
|
677 iStoppingMessage = CMMFMessageHolder::NewL(aMessage); |
|
678 iStoppingRecording = ETrue; |
|
679 } |
|
680 else if(((State() == EPlaying) || iIsPaused) && (iDataSink->DataSinkType()==KUidMmfAudioOutput)) //we are playing |
|
681 { |
|
682 if (!iDisableAutoIntent && iDataSource->DataSourceType()==KUidMmfFileSource) |
|
683 { |
|
684 CMMFFile* file = static_cast<CMMFFile*>(iDataSource); |
|
685 file->ExecuteIntent(ContentAccess::EStop); |
|
686 } |
|
687 // datapath propogates stop to sink & source |
|
688 iDataPath->Stop(); |
|
689 SetState(EStopped); |
|
690 } |
|
691 else |
|
692 { |
|
693 // datapath propogates stop to sink & source |
|
694 iStoppingPlaying = ETrue; |
|
695 iDataPath->Stop(); |
|
696 SetState(EStopped); |
|
697 iStoppingPlaying = EFalse; |
|
698 } |
|
699 } |
|
700 iIsPaused = EFalse; |
|
701 iIsPreemptionPause = EFalse; |
|
702 //complete message as request is complete. |
|
703 if(State() == EStopped && !IsUnderTest()) |
|
704 { |
|
705 aMessage.Complete(KErrNone); |
|
706 } |
|
707 |
|
708 //[ assert the invariant ] |
|
709 __ASSERT_ALWAYS( Invariant(), Panic(EBadInvariant)); |
|
710 } |
|
711 |
|
712 /** |
|
713 * PositionL |
|
714 * Preconditions: |
|
715 * The Controller is in the state EPrimed |
|
716 * @return TTimeIntervalMicroSeconds |
|
717 * |
|
718 */ |
|
719 TTimeIntervalMicroSeconds CMMFAudioController::PositionL() const |
|
720 { |
|
721 //[ assert the invariant ] |
|
722 __ASSERT_ALWAYS( Invariant(), Panic(EBadInvariant)); |
|
723 // [ precondition that we are playing or primed ] |
|
724 if( !((State() == EPrimed) || (State() == EPlaying))) |
|
725 User::Leave(KErrNotReady); |
|
726 |
|
727 TTimeIntervalMicroSeconds position = iDataPath->Position(); |
|
728 |
|
729 if ((State() == EPlaying) && (iDataSource->DataSourceType()==KUidMmfAudioInput)) |
|
730 position = DurationL(); |
|
731 |
|
732 //[ assert the invariant ] |
|
733 __ASSERT_ALWAYS( Invariant(), Panic(EBadInvariant)); |
|
734 |
|
735 return position; |
|
736 } |
|
737 |
|
738 /** |
|
739 * SetPositionL |
|
740 * |
|
741 * @param aPosition |
|
742 * |
|
743 */ |
|
744 void CMMFAudioController::SetPositionL(const TTimeIntervalMicroSeconds& aPosition) |
|
745 { |
|
746 //[ assert the invariant ] |
|
747 __ASSERT_ALWAYS( Invariant(), Panic(EBadInvariant)); |
|
748 |
|
749 // [ precondition that we are not already stopped ] |
|
750 if (iState == EStopped) |
|
751 User::Leave(KErrNotReady); |
|
752 |
|
753 //[ precondition that the position is >= 0 && <= Duration ] |
|
754 { |
|
755 TTimeIntervalMicroSeconds theDuration(0); |
|
756 if (iSourceFormat) |
|
757 { //if the source is a clip then the duration always refers to the source - even if the sink is a clip |
|
758 theDuration = iSourceFormat->Duration(iMediaId); |
|
759 } |
|
760 else if (iSinkFormat) |
|
761 { //duration of recorded clip |
|
762 theDuration = iSinkFormat->Duration(iMediaId); |
|
763 } |
|
764 TTimeIntervalMicroSeconds theStart(0); |
|
765 if( ( aPosition < theStart) || ( aPosition > theDuration) ) |
|
766 //[ invalid position before start and after end] |
|
767 User::Leave(KErrArgument); |
|
768 } |
|
769 |
|
770 //[ set the position on the data path ] |
|
771 |
|
772 // if we're already playing, flush all the buffers by calling Stop(), |
|
773 // PrimeL() and then PlayL() - otherwise we could be waiting a long time. |
|
774 if (iDataSink->DataSinkType() == KUidMmfAudioOutput && iState == EPlaying) |
|
775 { |
|
776 CMMFAudioOutput* audioOutput = static_cast<CMMFAudioOutput*>(iDataSink); |
|
777 if(!audioOutput->IsResumeSupported()) |
|
778 { |
|
779 iDataPath->Stop(); |
|
780 SetState(EStopped); |
|
781 PrimeL(); |
|
782 iDataPath->SetPositionL(aPosition); |
|
783 iDataPath->RetainRepeatInfo(); |
|
784 PlayL(); |
|
785 } |
|
786 else |
|
787 { |
|
788 iDataPath->Pause(); |
|
789 User::LeaveIfError(audioOutput->SoundDevice().EmptyBuffers()); |
|
790 iDataPath->SetPositionL(aPosition); |
|
791 iDataPath->RetainRepeatInfo(); |
|
792 // This does a DevSound resume |
|
793 iDataPath->PlayL(); |
|
794 } |
|
795 } |
|
796 else |
|
797 iDataPath->SetPositionL(aPosition); |
|
798 |
|
799 //[ assert the invariant ] |
|
800 __ASSERT_ALWAYS( Invariant(), Panic(EBadInvariant)); |
|
801 |
|
802 // [ post condition not checked ] |
|
803 //[ we do not compare the set position with get postion |
|
804 // because the interface to do so is poor ] |
|
805 } |
|
806 |
|
807 /** |
|
808 * |
|
809 * DurationL |
|
810 * |
|
811 * @returns TTimeIntervalMicroSeconds |
|
812 * |
|
813 */ |
|
814 TTimeIntervalMicroSeconds CMMFAudioController::DurationL() const |
|
815 { |
|
816 //[ assert the invariant ] |
|
817 __ASSERT_ALWAYS( Invariant(), Panic(EBadInvariant)); |
|
818 |
|
819 |
|
820 // [ assert we have a format that supports duration ] |
|
821 if( !( iSourceFormat || iSinkFormat ) ) |
|
822 User::Leave(KErrNotSupported); |
|
823 |
|
824 //[ now do the real work of getting the duration ] |
|
825 // ------------------------------------------------ |
|
826 TTimeIntervalMicroSeconds theDuration(0); |
|
827 if (iSourceFormat) |
|
828 { //if the source is a clip then the duration always refers to the source - even if the sink is a clip |
|
829 theDuration = iSourceFormat->Duration(iMediaId); |
|
830 } |
|
831 else if (iSinkFormat) |
|
832 { //duration of recorded clip |
|
833 theDuration = iSinkFormat->Duration(iMediaId); |
|
834 } |
|
835 |
|
836 //[ assert the invariant ] |
|
837 __ASSERT_ALWAYS( Invariant(), Panic(EBadInvariant)); |
|
838 |
|
839 return theDuration; |
|
840 } |
|
841 |
|
842 /** |
|
843 * |
|
844 * GetNumberOfMetaDataEntriesL |
|
845 * |
|
846 * @param "TInt" |
|
847 * |
|
848 */ |
|
849 void CMMFAudioController::GetNumberOfMetaDataEntriesL(TInt& aNumberOfEntries ) |
|
850 { |
|
851 |
|
852 //[ assert the invariant ] |
|
853 __ASSERT_ALWAYS( Invariant(), Panic(EBadInvariant)); |
|
854 |
|
855 //[ precondition that we are in the primed state or stopped ] |
|
856 if( !((State() == EPrimed) || ( State() == EStopped))) |
|
857 User::Leave(KErrNotReady); |
|
858 |
|
859 // [ precondition there is a sink format ] |
|
860 if (!iDataSink) |
|
861 User::Leave(KErrNotSupported); |
|
862 |
|
863 // [ precondition the sink format is an encode format ] |
|
864 if ((iDataSink->DataSinkType()!=KUidMmfAudioOutput) && |
|
865 (iDataSource->DataSourceType()!= KUidMmfAudioInput) ) |
|
866 User::Leave(KErrNotSupported); |
|
867 |
|
868 if (iDataSink->DataSinkType()==KUidMmfAudioOutput) |
|
869 { |
|
870 |
|
871 //[ precondition the format exists ] |
|
872 if( !iSourceFormat ) |
|
873 User::Leave(KErrNotSupported); |
|
874 |
|
875 //[ Get the Number of meta data entries from the sink format ] |
|
876 iSourceFormat->GetNumberOfMetaDataEntriesL( aNumberOfEntries ); |
|
877 } |
|
878 else if (iDataSource->DataSourceType()==KUidMmfAudioInput) |
|
879 { |
|
880 if( !iSinkFormat ) |
|
881 User::Leave(KErrNotSupported); |
|
882 |
|
883 iSinkFormat->GetNumberOfMetaDataEntriesL( aNumberOfEntries ); |
|
884 } |
|
885 |
|
886 //[ assert the invariant ] |
|
887 __ASSERT_ALWAYS( Invariant(), Panic(EBadInvariant)); |
|
888 |
|
889 } |
|
890 |
|
891 /** |
|
892 * GetMetaDataEntryL |
|
893 * @param aIndex |
|
894 * @returns "CMMFMetaDataEntry*" |
|
895 */ |
|
896 CMMFMetaDataEntry* CMMFAudioController::GetMetaDataEntryL(TInt aIndex ) |
|
897 { |
|
898 //[ assert the invariant ] |
|
899 __ASSERT_ALWAYS( Invariant(), Panic(EBadInvariant)); |
|
900 |
|
901 //[ precondition that we are in the primed state or stopped ] |
|
902 if( !((State() == EPrimed) || ( State() == EStopped))) |
|
903 User::Leave(KErrNotReady); |
|
904 |
|
905 // [ precondition there is a sink format ] |
|
906 if (!iDataSink) |
|
907 User::Leave(KErrNotSupported); |
|
908 |
|
909 iDataSink->DataSinkType(); |
|
910 iDataSource->DataSourceType(); |
|
911 |
|
912 // [ precondition the sink or source is either an audio output or input ] |
|
913 if ((iDataSink->DataSinkType()!= KUidMmfAudioOutput) && |
|
914 (iDataSource->DataSourceType()!= KUidMmfAudioInput )) |
|
915 User::Leave(KErrNotSupported); |
|
916 |
|
917 //[ Get the meta data entry from the sink format ] |
|
918 CMMFMetaDataEntry* theEntry = NULL; |
|
919 |
|
920 if (iDataSink->DataSinkType()==KUidMmfAudioOutput) |
|
921 { |
|
922 //[ precondition the format exists ] |
|
923 if( !iSourceFormat ) |
|
924 User::Leave(KErrNotSupported); |
|
925 |
|
926 //[ Get the Number of meta data entries from the sink format ] |
|
927 theEntry = iSourceFormat->MetaDataEntryL(aIndex); |
|
928 } |
|
929 else if (iDataSource->DataSourceType()==KUidMmfAudioInput) |
|
930 { |
|
931 //[ precondition the format exits ] |
|
932 if( !iSinkFormat ) |
|
933 User::Leave(KErrNotSupported); |
|
934 theEntry = iSinkFormat->MetaDataEntryL(aIndex); |
|
935 } |
|
936 |
|
937 //[ assert the post condition that the entry is not null ] |
|
938 __ASSERT_ALWAYS( theEntry, Panic(EBadInvariant)); |
|
939 |
|
940 //[ assert the invariant ] |
|
941 __ASSERT_ALWAYS( Invariant(), Panic(EBadInvariant)); |
|
942 |
|
943 return theEntry; |
|
944 } |
|
945 |
|
946 /** |
|
947 * RemoveDataSourceL |
|
948 * @param aDataSource |
|
949 * |
|
950 */ |
|
951 void CMMFAudioController::RemoveDataSourceL(MDataSource& aDataSource ) |
|
952 { |
|
953 //[ assert the invariant ] |
|
954 __ASSERT_ALWAYS( Invariant(), Panic(EBadInvariant) ); |
|
955 |
|
956 //[ precondition is that we have a data source ] |
|
957 if( !iDataSource ) |
|
958 User::Leave(KErrNotReady); |
|
959 |
|
960 //[precondition the data source is the data source we have] |
|
961 if( iDataSource != &aDataSource ) |
|
962 User::Leave(KErrArgument); |
|
963 |
|
964 //[ the controller is in the stopped state ] |
|
965 if(State() != EStopped) |
|
966 User::Leave(KErrNotReady); |
|
967 |
|
968 //[ remove the data sink from the controller and delete the format] |
|
969 if( iSourceAndSinkAdded ) |
|
970 { |
|
971 __ASSERT_ALWAYS( iDataPath, Panic( EBadState )); |
|
972 //[ Remove references to source and sink ] |
|
973 iDataPath->ResetL(); |
|
974 iSourceAndSinkAdded = EFalse ; |
|
975 } |
|
976 |
|
977 // [ delete the data sink and format ] |
|
978 iDataSource = NULL ; |
|
979 delete iSourceFormat; |
|
980 iSourceFormat = NULL; |
|
981 |
|
982 // [ assert postcondition we are stopped ] |
|
983 __ASSERT_ALWAYS( (State() == EStopped), Panic(EPostConditionViolation) ); |
|
984 |
|
985 //[ assert postcondition the SourceAndSinkAdded is false ] |
|
986 __ASSERT_ALWAYS( !iSourceAndSinkAdded, Panic( EPostConditionViolation )); |
|
987 |
|
988 //[ assert postcondition the data sinkformat is null ] |
|
989 __ASSERT_ALWAYS( (iSourceFormat == NULL ), Panic( EPostConditionViolation )); |
|
990 |
|
991 //[ assert postcondition the data sink is null ] |
|
992 __ASSERT_ALWAYS( (iDataSource == NULL ), Panic( EPostConditionViolation )); |
|
993 |
|
994 //[ assert the invariant ] |
|
995 __ASSERT_ALWAYS( Invariant(), Panic(EBadInvariant)); |
|
996 |
|
997 } |
|
998 |
|
999 /** |
|
1000 * RemoveDataSinkL |
|
1001 * |
|
1002 * @param aDataSink |
|
1003 * |
|
1004 */ |
|
1005 void CMMFAudioController::RemoveDataSinkL(MDataSink& aDataSink ) |
|
1006 { |
|
1007 //[ assert the invariant ] |
|
1008 __ASSERT_ALWAYS( Invariant(), Panic(EBadInvariant) ); |
|
1009 |
|
1010 //[ precondition is that we have a data sink ] |
|
1011 if( !iDataSink ) |
|
1012 User::Leave(KErrNotSupported); |
|
1013 |
|
1014 //[precondition the data sink is the data sink we have] |
|
1015 if( iDataSink != &aDataSink ) |
|
1016 User::Leave(KErrNotSupported); |
|
1017 |
|
1018 //[ the controller is in the stopped state ] |
|
1019 if(State() != EStopped) |
|
1020 User::Leave(KErrNotReady); |
|
1021 |
|
1022 //[ remove the data sink from the controller and delete the format] |
|
1023 if( iSourceAndSinkAdded ) |
|
1024 { |
|
1025 __ASSERT_ALWAYS( iDataPath, Panic( EBadState )); |
|
1026 //[ Remove references to source and sink ] |
|
1027 iDataPath->ResetL(); |
|
1028 iSourceAndSinkAdded = EFalse ; |
|
1029 } |
|
1030 |
|
1031 // [ reset data sink referenece and remove the format ] |
|
1032 iDataSink = NULL ; |
|
1033 delete iSinkFormat; |
|
1034 iSinkFormat = NULL; |
|
1035 |
|
1036 // [ assert postcondition we are stopped ] |
|
1037 __ASSERT_ALWAYS( (State() == EStopped), Panic(EPostConditionViolation) ); |
|
1038 |
|
1039 //[ assert postcondition the SourceAndSinkAdded is false ] |
|
1040 __ASSERT_ALWAYS( !iSourceAndSinkAdded, Panic( EPostConditionViolation )); |
|
1041 |
|
1042 //[ assert postcondition the data sinkformat is null ] |
|
1043 __ASSERT_ALWAYS( (iSinkFormat == NULL ), Panic( EPostConditionViolation )); |
|
1044 |
|
1045 //[ assert postcondition the data sink is null ] |
|
1046 __ASSERT_ALWAYS( (iDataSink == NULL ), Panic( EPostConditionViolation )); |
|
1047 |
|
1048 //[ assert the invariant ] |
|
1049 __ASSERT_ALWAYS( Invariant(), Panic(EBadInvariant)); |
|
1050 } |
|
1051 |
|
1052 /** |
|
1053 * CustomCommand |
|
1054 * @param aMessage |
|
1055 */ |
|
1056 void CMMFAudioController::CustomCommand(TMMFMessage& aMessage) |
|
1057 { |
|
1058 //[ assert the invariant ] |
|
1059 __ASSERT_ALWAYS( Invariant(), Panic(EBadInvariant)); |
|
1060 // [ We do not have any custom commands ] |
|
1061 aMessage.Complete(KErrNotSupported); |
|
1062 } |
|
1063 |
|
1064 /** |
|
1065 * NegotiateL |
|
1066 * |
|
1067 */ |
|
1068 void CMMFAudioController::NegotiateL() |
|
1069 { |
|
1070 //[ assert the invariant ] |
|
1071 __ASSERT_ALWAYS( Invariant(), Panic(EBadInvariant)); |
|
1072 |
|
1073 //utility function used by custom to negotiate source sink settings after a change |
|
1074 if ((iSourceFormat)&&(iSinkFormat)) //convert |
|
1075 { |
|
1076 iSinkFormat->NegotiateL(*iSourceFormat); |
|
1077 iSourceFormat->NegotiateSourceL(*iSinkFormat); |
|
1078 iSinkFormat->NegotiateL(*iSourceFormat); |
|
1079 |
|
1080 // check for upsampling attempts |
|
1081 if (iSinkFormat->SampleRate() > iSourceFormat->SampleRate()) |
|
1082 { |
|
1083 // we don't support upsampling |
|
1084 User::Leave( KErrNotSupported ); |
|
1085 } |
|
1086 } |
|
1087 else if ((iDataSource)&&(iSinkFormat)) //record |
|
1088 { |
|
1089 // need two step negotiation for record |
|
1090 // first try to set the audio input settings to match the required settings for recording |
|
1091 iDataSource->NegotiateSourceL(*iSinkFormat); |
|
1092 // now call negotiateL on the sink in order to tell it what the audio input was set to. |
|
1093 iSinkFormat->NegotiateL(*iDataSource); |
|
1094 } |
|
1095 else if ((iSourceFormat)&&(iDataSink)) //play |
|
1096 { |
|
1097 iDataSink->NegotiateL(*iSourceFormat); |
|
1098 } |
|
1099 //[ assert the invariant ] |
|
1100 __ASSERT_ALWAYS( Invariant(), Panic(EBadInvariant)); |
|
1101 } |
|
1102 |
|
1103 /** |
|
1104 * SetPrioritySettings |
|
1105 * |
|
1106 * @param aPrioritySettings |
|
1107 */ |
|
1108 void CMMFAudioController::SetPrioritySettings(const TMMFPrioritySettings& aPrioritySettings) |
|
1109 { |
|
1110 //[ assert the invariant ] |
|
1111 __ASSERT_ALWAYS( Invariant(), Panic(EBadInvariant)); |
|
1112 |
|
1113 //[ update the priority settings of the controller] |
|
1114 iPrioritySettings = aPrioritySettings; |
|
1115 |
|
1116 //pass settings on to source and sink |
|
1117 if (iDataSource) |
|
1118 { |
|
1119 iDataSource->SetSourcePrioritySettings(iPrioritySettings); |
|
1120 } |
|
1121 if (iDataSink) |
|
1122 { |
|
1123 iDataSink->SetSinkPrioritySettings(iPrioritySettings); |
|
1124 } |
|
1125 |
|
1126 // assert the post condition |
|
1127 //__ASSERT_ALWAYS( (iPrioritySettings == aPrioritySettings), Panic( )); |
|
1128 //[ assert the invariant ] |
|
1129 __ASSERT_ALWAYS( Invariant(), Panic(EBadInvariant)); |
|
1130 } |
|
1131 |
|
1132 /** |
|
1133 * SendEventToClient |
|
1134 * |
|
1135 * @param aEvent |
|
1136 */ |
|
1137 TInt CMMFAudioController::SendEventToClient(const TMMFEvent& aEvent) |
|
1138 { |
|
1139 //[ assert the invariant ] |
|
1140 __ASSERT_ALWAYS( Invariant(), Panic(EBadInvariant)); |
|
1141 |
|
1142 TMMFEvent controllerEvent; |
|
1143 //Were going to stop playing, force event type to be the correct type |
|
1144 controllerEvent.iEventType = KMMFEventCategoryPlaybackComplete; |
|
1145 controllerEvent.iErrorCode = aEvent.iErrorCode; |
|
1146 |
|
1147 |
|
1148 |
|
1149 //If we receive KErrNone from the DataPath, it indicates that it has |
|
1150 //successfully completed playing/converting/recording. |
|
1151 if ((aEvent.iEventType == KMMFEventCategoryPlaybackComplete) && |
|
1152 (aEvent.iErrorCode == KErrNone)) |
|
1153 { |
|
1154 if(iStoppingRecording) |
|
1155 { |
|
1156 iStoppingRecording = EFalse; |
|
1157 iDataPath->Stop(); |
|
1158 SetState( EStopped ); |
|
1159 |
|
1160 //complete the clients stop request |
|
1161 iStoppingMessage->Complete(KErrNone); |
|
1162 delete iStoppingMessage; iStoppingMessage=NULL; |
|
1163 |
|
1164 //we don't want to send an event to the client |
|
1165 return KErrNone; |
|
1166 } |
|
1167 else |
|
1168 {//datapath has reached end of file so set internal state to primed |
|
1169 SetState( EPrimed ); |
|
1170 } |
|
1171 } |
|
1172 |
|
1173 //If the client has not registered for the ARN, |
|
1174 //and a pre-emption happens we need to goto the Pause state |
|
1175 //instead of the Stop state. this should happen only in the case of playback. |
|
1176 //In case of recoding we goto the stop state. |
|
1177 else if(!iRegisterARN && |
|
1178 (aEvent.iErrorCode == KErrAccessDenied || aEvent.iErrorCode == KErrInUse ||aEvent.iErrorCode == KErrDied) |
|
1179 && (iDataSink->DataSinkType()==KUidMmfAudioOutput)) |
|
1180 { |
|
1181 //setting iIsPreemptionPause to true so that PauseL can make differentiate it from normal pause. |
|
1182 iIsPreemptionPause = ETrue; |
|
1183 TRAPD(err,PauseL()); |
|
1184 if(err != KErrNone) |
|
1185 { |
|
1186 iDataPath->Stop(); |
|
1187 SetState( EStopped ); |
|
1188 iIsPreemptionPause = EFalse; |
|
1189 } |
|
1190 } |
|
1191 else |
|
1192 { |
|
1193 if ( State()!= EStopped) |
|
1194 { |
|
1195 //we don't want to send an event to the client |
|
1196 // if we are already in the process of Stopping |
|
1197 if(iStoppingPlaying) |
|
1198 { |
|
1199 return KErrNone; |
|
1200 } |
|
1201 |
|
1202 //datapath propogates stop to sink & source |
|
1203 iDataPath->Stop(); |
|
1204 SetState( EStopped ); |
|
1205 |
|
1206 if(iStoppingRecording) |
|
1207 {// an error has occurred while we were waiting for recording to stop, |
|
1208 //must complete clients request |
|
1209 iStoppingRecording = EFalse; |
|
1210 iStoppingMessage->Complete(aEvent.iErrorCode); |
|
1211 delete iStoppingMessage; iStoppingMessage=NULL; |
|
1212 } |
|
1213 } |
|
1214 } |
|
1215 |
|
1216 if(!iIsPreemptionPause) |
|
1217 { |
|
1218 //should call ExecuteIntent to tell the DRM agent that playback has stopped |
|
1219 if (aEvent.iEventType == KMMFEventCategoryPlaybackComplete) |
|
1220 { |
|
1221 if ((iDataSink->DataSinkType() == KUidMmfAudioOutput)) |
|
1222 { |
|
1223 if (!iDisableAutoIntent && iDataSource->DataSourceType()==KUidMmfFileSource) |
|
1224 { |
|
1225 CMMFFile* file = static_cast<CMMFFile*>(iDataSource); |
|
1226 file->ExecuteIntent(ContentAccess::EStop); |
|
1227 } |
|
1228 } |
|
1229 } |
|
1230 } |
|
1231 |
|
1232 |
|
1233 //now send event to client... |
|
1234 TInt result = KErrNone; |
|
1235 if(aEvent.iEventType == KMMFEventCategoryAudioResourceAvailable) |
|
1236 { |
|
1237 result = DoSendEventToClient(aEvent); |
|
1238 } |
|
1239 else |
|
1240 { |
|
1241 result = DoSendEventToClient(controllerEvent); |
|
1242 } |
|
1243 |
|
1244 //[ assert the invariant ] |
|
1245 __ASSERT_ALWAYS( Invariant(), Panic(EBadInvariant)); |
|
1246 |
|
1247 return result; |
|
1248 } |
|
1249 |
|
1250 |
|
1251 /** |
|
1252 * MapdSetVolumeL |
|
1253 * |
|
1254 * @param aVolume |
|
1255 * |
|
1256 */ |
|
1257 void CMMFAudioController::MapdSetVolumeL(TInt aVolume) |
|
1258 { |
|
1259 //[ assert the invariant ] |
|
1260 __ASSERT_ALWAYS( Invariant(), Panic(EBadInvariant)); |
|
1261 |
|
1262 // [ precondition is true for state |
|
1263 // we can set the volume in any state ] |
|
1264 |
|
1265 //[ precondition we have a data sink ] |
|
1266 if (!iDataSink) |
|
1267 User::Leave(KErrNotReady); |
|
1268 |
|
1269 // [ precondition that the data sink is an audio output ] |
|
1270 // Make sure that iDataSink is an Audio Output |
|
1271 if (iDataSink->DataSinkType() != KUidMmfAudioOutput) |
|
1272 User::Leave(KErrNotSupported); |
|
1273 |
|
1274 MMMFAudioOutput* audioOutput = STATIC_CAST(MMMFAudioOutput*, iDataSink); |
|
1275 |
|
1276 // [ assert the precondition that aVolume is in range ] |
|
1277 TInt maxVolume = audioOutput->SoundDevice().MaxVolume(); |
|
1278 if( ( aVolume < 0 ) || ( aVolume > maxVolume )) |
|
1279 User::Leave(KErrArgument); |
|
1280 |
|
1281 //[ set the volume on the device ] |
|
1282 audioOutput->SoundDevice().SetVolume(aVolume); |
|
1283 |
|
1284 //[ assert the post condition volume is equal to a volume] |
|
1285 TInt soundVolume = 0; |
|
1286 soundVolume = audioOutput->SoundDevice().Volume(); |
|
1287 |
|
1288 __ASSERT_ALWAYS( ( soundVolume == aVolume), Panic(EPostConditionViolation)); |
|
1289 |
|
1290 //[ assert the invariant ] |
|
1291 __ASSERT_ALWAYS( Invariant(), Panic(EBadInvariant)); |
|
1292 } |
|
1293 |
|
1294 /** |
|
1295 * |
|
1296 * MapdGetMaxVolumeL |
|
1297 * |
|
1298 * @param aMaxVolume |
|
1299 * |
|
1300 */ |
|
1301 void CMMFAudioController::MapdGetMaxVolumeL(TInt& aMaxVolume) |
|
1302 { |
|
1303 // [ assert the invariant ] |
|
1304 __ASSERT_ALWAYS( Invariant(), Panic(EBadInvariant)); |
|
1305 |
|
1306 //[ we can get max volume in any state ] |
|
1307 |
|
1308 // [ precondition we must have a data sink ] |
|
1309 if (!iDataSink) |
|
1310 User::Leave(KErrNotReady); |
|
1311 |
|
1312 //[ precondition the sink must be an audio output] |
|
1313 // Make sure that iDataSink is an Audio Output |
|
1314 if (iDataSink->DataSinkType() != KUidMmfAudioOutput) |
|
1315 User::Leave(KErrNotSupported); |
|
1316 |
|
1317 //[ get the volume from the device ] |
|
1318 MMMFAudioOutput* audioOutput = STATIC_CAST(MMMFAudioOutput*, iDataSink); |
|
1319 aMaxVolume = audioOutput->SoundDevice().MaxVolume(); |
|
1320 |
|
1321 //[ assert the invariant ] |
|
1322 __ASSERT_ALWAYS( Invariant(), Panic(EBadInvariant)); |
|
1323 |
|
1324 } |
|
1325 |
|
1326 |
|
1327 /** |
|
1328 * |
|
1329 * MapdGetVolumeL |
|
1330 * |
|
1331 * @param aVolume |
|
1332 * |
|
1333 */ |
|
1334 void CMMFAudioController::MapdGetVolumeL(TInt& aVolume) |
|
1335 { |
|
1336 // [ assert the invariant ] |
|
1337 __ASSERT_ALWAYS( Invariant(), Panic(EBadInvariant)); |
|
1338 |
|
1339 //[ precondition that we have a data sink ] |
|
1340 if (!iDataSink) |
|
1341 User::Leave(KErrNotReady); |
|
1342 |
|
1343 //[ precondition iDataSink is an Audio Output ] |
|
1344 if (iDataSink->DataSinkType() != KUidMmfAudioOutput) |
|
1345 User::Leave(KErrNotSupported); |
|
1346 |
|
1347 // [ get the volume ] |
|
1348 MMMFAudioOutput* audioOutput = STATIC_CAST(MMMFAudioOutput*, iDataSink); |
|
1349 aVolume = audioOutput->SoundDevice().Volume(); |
|
1350 |
|
1351 // [ assert precondition that the volume is in range |
|
1352 // 0.. aMaxVolume ] |
|
1353 TInt aMaxVolume = audioOutput->SoundDevice().MaxVolume(); |
|
1354 __ASSERT_ALWAYS( (aVolume <= aMaxVolume), Panic(EBadState)); |
|
1355 __ASSERT_ALWAYS( (aVolume >= 0), Panic(EBadState)); |
|
1356 |
|
1357 // [ assert the invariant ] |
|
1358 __ASSERT_ALWAYS( Invariant(), Panic(EBadInvariant)); |
|
1359 |
|
1360 } |
|
1361 |
|
1362 /** |
|
1363 * |
|
1364 * MapdSetVolumeRampL |
|
1365 * |
|
1366 * @param aRampDuration |
|
1367 * |
|
1368 */ |
|
1369 void CMMFAudioController::MapdSetVolumeRampL(const TTimeIntervalMicroSeconds& aRampDuration) |
|
1370 { |
|
1371 // [ assert the invariant ] |
|
1372 __ASSERT_ALWAYS( Invariant(), Panic(EBadInvariant)); |
|
1373 |
|
1374 //[ precondition that we have a data sink ] |
|
1375 if (!iDataSink) |
|
1376 User::Leave(KErrNotReady); |
|
1377 |
|
1378 // [ precondition iDataSink is an Audio Output ] |
|
1379 if (iDataSink->DataSinkType() != KUidMmfAudioOutput) |
|
1380 User::Leave(KErrNotSupported); |
|
1381 |
|
1382 //[ set the volume ramp ] |
|
1383 MMMFAudioOutput* audioOutput = STATIC_CAST(MMMFAudioOutput*, iDataSink); |
|
1384 audioOutput->SoundDevice().SetVolumeRamp(aRampDuration); |
|
1385 |
|
1386 //[ assert the invariant ] |
|
1387 __ASSERT_ALWAYS( Invariant(), Panic(EBadInvariant)); |
|
1388 |
|
1389 } |
|
1390 |
|
1391 |
|
1392 /** |
|
1393 * |
|
1394 * MapdSetBalanceL |
|
1395 * |
|
1396 * @param aBalance |
|
1397 * |
|
1398 */ |
|
1399 void CMMFAudioController::MapdSetBalanceL(TInt aBalance) |
|
1400 { |
|
1401 //[ assert the invariant ] |
|
1402 __ASSERT_ALWAYS( Invariant(), Panic( EBadInvariant)); |
|
1403 |
|
1404 // [ precondition is that we have a data sink ] |
|
1405 if (!iDataSink) |
|
1406 User::Leave(KErrNotReady); |
|
1407 |
|
1408 // [ precondition is that the data sink is an audio output] |
|
1409 if (iDataSink->DataSinkType() != KUidMmfAudioOutput) |
|
1410 User::Leave(KErrNotSupported); |
|
1411 |
|
1412 //[ get the audio output ] |
|
1413 MMMFAudioOutput* audioOutput = STATIC_CAST(MMMFAudioOutput*, iDataSink); |
|
1414 |
|
1415 // [ separate out left and right balance ] |
|
1416 TInt left = 0; |
|
1417 TInt right = 0; |
|
1418 CalculateLeftRightBalance( left, right, aBalance ); |
|
1419 |
|
1420 //[ set the balance ] |
|
1421 audioOutput->SoundDevice().SetPlayBalanceL(left, right); |
|
1422 |
|
1423 // [assert the post condition that the balance is set correctly] |
|
1424 TInt rightBalance = 0; |
|
1425 TInt leftBalance = 0; |
|
1426 audioOutput->SoundDevice().GetPlayBalanceL(leftBalance, rightBalance); |
|
1427 |
|
1428 //[ assert post condition holds] |
|
1429 TBool postCondition = (( rightBalance == right) && ( leftBalance == left)); |
|
1430 __ASSERT_ALWAYS( postCondition, Panic( EPostConditionViolation ) ); |
|
1431 |
|
1432 //[ assert the invariant ] |
|
1433 __ASSERT_ALWAYS( Invariant(), Panic( EBadInvariant)); |
|
1434 } |
|
1435 |
|
1436 /** |
|
1437 * CalculateLeftRightBalance |
|
1438 * @internalTechnology |
|
1439 * @param aLeft |
|
1440 * @param aRight |
|
1441 * @param aBalance |
|
1442 * Preconditions: |
|
1443 * !(aBalance < KMMFBalanceMaxLeft || aBalance > KMMFBalanceMaxRight) |
|
1444 * y = m x + c |
|
1445 * aLeft = m ( aBalance ) + c |
|
1446 * when aBalance = KMMFBalanceMaxLeft aLeft = 100 |
|
1447 * when aBalance = KMMFBalanceMaxRight aLeft = 0 |
|
1448 * 100 = m( KMMFBalanceMaxLeft ) + c |
|
1449 * 0 = m( KMMFBalanceMaxRight ) + c |
|
1450 * c = -(KMMFBalanceMaxRight) m |
|
1451 * 100 = m(KMMFBalanceMaxLeft ) - m(KMMFBalanceMaxRight) |
|
1452 * m = 100/(KMMFBalanceMaxLeft - KMMFBalanceMaxRight ) |
|
1453 * c = -(KMMFBalanceMaxRight) * 100 /(KMMFBalanceMaxLeft - KMMFBalanceMaxRight ) |
|
1454 * aLeft = ( aBalance - KMMFBalanceMaxRight ) * 100 /( KMMFBalanceMaxLeft - KMMFBalanceMaxRight ) |
|
1455 */ |
|
1456 void CMMFAudioController::CalculateLeftRightBalance( TInt& aLeft, TInt& aRight, TInt aBalance ) const |
|
1457 { |
|
1458 // Check the balance is within limits & modify to min or max values if necessary |
|
1459 if (aBalance < KMMFBalanceMaxLeft) |
|
1460 aBalance = KMMFBalanceMaxLeft; |
|
1461 if (aBalance > KMMFBalanceMaxRight) |
|
1462 aBalance = KMMFBalanceMaxRight; |
|
1463 |
|
1464 // [ assert precondition that aBalance is within limits ] |
|
1465 __ASSERT_ALWAYS( !(aBalance < KMMFBalanceMaxLeft || aBalance > KMMFBalanceMaxRight), Panic(EBadArgument)); |
|
1466 |
|
1467 //[ Now separate percentage balances out from aBalance ] |
|
1468 aLeft = (100 * (aBalance-KMMFBalanceMaxRight)) / (KMMFBalanceMaxLeft-KMMFBalanceMaxRight); |
|
1469 aRight = 100 - aLeft; |
|
1470 |
|
1471 //[ assert post condition that left and right are within range ] |
|
1472 __ASSERT_ALWAYS( ( (aLeft <= 100) && (aLeft >= 0) ), Panic(EPostConditionViolation)); |
|
1473 __ASSERT_ALWAYS( ( (aRight <= 100) && (aRight >= 0) ), Panic(EPostConditionViolation)); |
|
1474 } |
|
1475 |
|
1476 |
|
1477 /** |
|
1478 * MapdGetBalanceL |
|
1479 * @param aBalance |
|
1480 * |
|
1481 */ |
|
1482 void CMMFAudioController::MapdGetBalanceL(TInt& aBalance) |
|
1483 { |
|
1484 //[ assert the invariant ] |
|
1485 __ASSERT_ALWAYS( Invariant(), Panic(EBadInvariant)); |
|
1486 |
|
1487 //[ precondition that we have a sink] |
|
1488 if (!iDataSink) |
|
1489 User::Leave(KErrNotReady); |
|
1490 |
|
1491 // [ iDataSink is an Audio Output ] |
|
1492 if (iDataSink->DataSinkType() != KUidMmfAudioOutput) |
|
1493 User::Leave(KErrNotSupported); |
|
1494 |
|
1495 // [ get the play balance ] |
|
1496 MMMFAudioOutput* audioOutput = STATIC_CAST(MMMFAudioOutput*, iDataSink); |
|
1497 TInt left = 50; // arbitrary values |
|
1498 TInt right = 50; |
|
1499 audioOutput->SoundDevice().GetPlayBalanceL(left, right); |
|
1500 CalculateBalance( aBalance, left, right ); |
|
1501 |
|
1502 //[ assert the invariant ] |
|
1503 __ASSERT_ALWAYS( Invariant(), Panic(EBadInvariant)); |
|
1504 } |
|
1505 |
|
1506 /** |
|
1507 * CalculateBalance |
|
1508 * @param aBalance |
|
1509 * @param aLeft |
|
1510 * @param aRight |
|
1511 * |
|
1512 * follows a simple straight line transformation |
|
1513 * y = m x + c |
|
1514 * m = (KMMFBalanceMaxLeft-KMMFBalanceMaxRight)/ 100 |
|
1515 * c = KMMFBalanceMaxRight |
|
1516 * by substitution |
|
1517 * when aLeft = 0 |
|
1518 * KMMFBalanceMaxRight = m * 0 + c |
|
1519 * c = KMMFBalanceMaxRight |
|
1520 * when aLeft = 100 |
|
1521 * KMMFBalanceMaxLeft = m * 100 + KMMFBalanceMaxRight |
|
1522 * m = ( KMMFBalanceMaxLeft - KMMFBalanceMaxRight ) /100 |
|
1523 */ |
|
1524 void CMMFAudioController::CalculateBalance( TInt& aBalance, TInt aLeft, TInt aRight ) const |
|
1525 { |
|
1526 //[ assert pre conditions ] |
|
1527 __ASSERT_ALWAYS( (( 0 <= aLeft) && ( 100 >= aLeft)), Panic( EBadArgument) ); |
|
1528 __ASSERT_ALWAYS( (( 0 <= aRight) && ( 100 >= aRight)), Panic( EBadArgument) ); |
|
1529 |
|
1530 if ((aLeft > 0) && (aRight > 0)) |
|
1531 { |
|
1532 __ASSERT_ALWAYS( (( aLeft + aRight ) == 100 ), Panic( EBadArgument )); |
|
1533 aBalance = (aLeft * (KMMFBalanceMaxLeft-KMMFBalanceMaxRight))/100 + KMMFBalanceMaxRight; |
|
1534 } |
|
1535 else if ((aLeft == 0) && (aRight == 0)) |
|
1536 { |
|
1537 aBalance = 0; |
|
1538 } |
|
1539 else if ((aLeft == 0) && (aRight > 0)) |
|
1540 { |
|
1541 aBalance = 100; |
|
1542 } |
|
1543 else if ((aLeft > 0) && (aRight == 0)) |
|
1544 { |
|
1545 aBalance = -100; |
|
1546 } |
|
1547 |
|
1548 //[ assert post condition that aBalance is within limits ] |
|
1549 __ASSERT_ALWAYS( !(aBalance < KMMFBalanceMaxLeft || aBalance > KMMFBalanceMaxRight), Panic(EBadArgument)); |
|
1550 |
|
1551 } |
|
1552 |
|
1553 /** |
|
1554 * MardSetGainL |
|
1555 * @param aGain |
|
1556 * |
|
1557 */ |
|
1558 void CMMFAudioController::MardSetGainL(TInt aGain) |
|
1559 { |
|
1560 // [ assert the invariant ] |
|
1561 __ASSERT_ALWAYS( Invariant(), Panic(EBadInvariant)); |
|
1562 |
|
1563 //[ precondition we are in the state stopped ] |
|
1564 if(State() != EStopped) |
|
1565 User::Leave(KErrNotReady); |
|
1566 |
|
1567 // [ assert the precondition that we have a data sink ] |
|
1568 if (!iDataSource) |
|
1569 User::Leave(KErrNotSupported); |
|
1570 |
|
1571 //[ assert the precondition that the data sink is an audio input ] |
|
1572 if (iDataSource->DataSourceType() != KUidMmfAudioInput) |
|
1573 User::Leave(KErrNotReady); |
|
1574 |
|
1575 // Set gain of sound device |
|
1576 MMMFAudioInput* audioInput = STATIC_CAST(MMMFAudioInput*, iDataSource); |
|
1577 audioInput->SoundDevice().SetGain(aGain); |
|
1578 |
|
1579 //[ assert the invariant ] |
|
1580 __ASSERT_ALWAYS( Invariant(), Panic(EBadInvariant)); |
|
1581 |
|
1582 } |
|
1583 |
|
1584 /** |
|
1585 * MardGetMaxGainL |
|
1586 * @param aMaxGain |
|
1587 * |
|
1588 */ |
|
1589 void CMMFAudioController::MardGetMaxGainL(TInt& aMaxGain) |
|
1590 { |
|
1591 // [ assert the invariant ] |
|
1592 __ASSERT_ALWAYS( Invariant(), Panic(EBadInvariant)); |
|
1593 |
|
1594 // [ assert the precondition that we have a source ] |
|
1595 if (!iDataSource) |
|
1596 User::Leave(KErrNotReady); |
|
1597 |
|
1598 //[ assert the precondition that iDataSink is an Audio Input] |
|
1599 if (iDataSource->DataSourceType() != KUidMmfAudioInput) |
|
1600 User::Leave(KErrNotSupported); |
|
1601 |
|
1602 MMMFAudioInput* audioInput = STATIC_CAST(MMMFAudioInput*, iDataSource); |
|
1603 aMaxGain = audioInput->SoundDevice().MaxGain(); |
|
1604 |
|
1605 //[ assert the invariant ] |
|
1606 __ASSERT_ALWAYS( Invariant(), Panic(EBadInvariant)); |
|
1607 |
|
1608 } |
|
1609 |
|
1610 /** |
|
1611 * MardGetGainL |
|
1612 * @param aGain |
|
1613 * |
|
1614 */ |
|
1615 void CMMFAudioController::MardGetGainL(TInt& aGain) |
|
1616 { |
|
1617 //[ assert the invariant ] |
|
1618 __ASSERT_ALWAYS( Invariant(), Panic(EBadInvariant)); |
|
1619 |
|
1620 // [ assert the precondition that we have a sink ] |
|
1621 if (!iDataSource) |
|
1622 User::Leave(KErrNotReady); |
|
1623 |
|
1624 // [ assert the precondition that we have an audio input sink] |
|
1625 if (iDataSource->DataSourceType() != KUidMmfAudioInput) |
|
1626 User::Leave(KErrNotSupported); |
|
1627 |
|
1628 MMMFAudioInput* audioInput = STATIC_CAST(MMMFAudioInput*, iDataSource); |
|
1629 aGain = audioInput->SoundDevice().Gain(); |
|
1630 |
|
1631 //[ assert the invariant ] |
|
1632 __ASSERT_ALWAYS( Invariant(), Panic(EBadInvariant)); |
|
1633 } |
|
1634 |
|
1635 |
|
1636 /** |
|
1637 * |
|
1638 * MardSetBalanceL |
|
1639 * @param aBalance |
|
1640 */ |
|
1641 void CMMFAudioController::MardSetBalanceL(TInt aBalance) |
|
1642 { |
|
1643 // [ assert the invaraiant ] |
|
1644 __ASSERT_ALWAYS( Invariant(), Panic(EBadInvariant)); |
|
1645 |
|
1646 // [ precondition is that we have a data sink ] |
|
1647 if (!iDataSink) |
|
1648 User::Leave(KErrNotReady); |
|
1649 |
|
1650 // [ precondition is that the balance is in range ] |
|
1651 // Make sure aBalance is in the range -100 <-> 100 |
|
1652 if (aBalance < KMMFBalanceMaxLeft || aBalance > KMMFBalanceMaxRight) |
|
1653 User::Leave(KErrArgument); |
|
1654 |
|
1655 // [ precondition is that the data sink is an audio output] |
|
1656 if (iDataSource->DataSourceType() != KUidMmfAudioInput) |
|
1657 User::Leave(KErrNotSupported); |
|
1658 |
|
1659 |
|
1660 //[ get the audio output ] |
|
1661 MMMFAudioInput* audioInput = STATIC_CAST(MMMFAudioInput*, iDataSource); |
|
1662 |
|
1663 // [ separate out left and right balance ] |
|
1664 TInt left = 0; |
|
1665 TInt right = 0; |
|
1666 CalculateLeftRightBalance( left, right, aBalance ); |
|
1667 |
|
1668 //[ set the balance ] |
|
1669 audioInput->SoundDevice().SetRecordBalanceL(left, right); |
|
1670 |
|
1671 // [assert the post condition that the balance is set correctly] |
|
1672 TInt rightBalance = 0; |
|
1673 TInt leftBalance = 0; |
|
1674 audioInput->SoundDevice().GetRecordBalanceL(leftBalance, rightBalance); |
|
1675 |
|
1676 //[ assert post condition holds] |
|
1677 TBool postCondition = (( rightBalance == right) && ( leftBalance == left)); |
|
1678 __ASSERT_ALWAYS( postCondition, Panic( EPostConditionViolation ) ); |
|
1679 |
|
1680 //[ assert the invariant ] |
|
1681 __ASSERT_ALWAYS( Invariant(), Panic( EBadInvariant)); |
|
1682 |
|
1683 } |
|
1684 |
|
1685 /** |
|
1686 * |
|
1687 * MardGetBalanceL |
|
1688 * @param aBalance |
|
1689 * |
|
1690 */ |
|
1691 void CMMFAudioController::MardGetBalanceL(TInt& aBalance) |
|
1692 { |
|
1693 //[ assert the invariant ] |
|
1694 __ASSERT_ALWAYS( Invariant(), Panic(EBadInvariant)); |
|
1695 |
|
1696 //[ precondition that we have a sink] |
|
1697 if (!iDataSink) |
|
1698 User::Leave(KErrNotReady); |
|
1699 |
|
1700 // [ iDataSink is an Audio Output ] |
|
1701 if (iDataSource->DataSourceType() != KUidMmfAudioInput) |
|
1702 User::Leave(KErrNotSupported); |
|
1703 |
|
1704 // [ get the play balance ] |
|
1705 MMMFAudioInput* audioInput = STATIC_CAST(MMMFAudioInput*, iDataSource); |
|
1706 TInt left = 50; // arbitrary values |
|
1707 TInt right = 50; |
|
1708 audioInput->SoundDevice().GetRecordBalanceL(left, right); |
|
1709 CalculateBalance( aBalance, left, right ); |
|
1710 |
|
1711 //[ assert the invariant ] |
|
1712 __ASSERT_ALWAYS( Invariant(), Panic(EBadInvariant)); |
|
1713 |
|
1714 } |
|
1715 |
|
1716 /** |
|
1717 * MapcSetPlaybackWindowL |
|
1718 * @param aStart |
|
1719 * @param aEnd |
|
1720 * |
|
1721 */ |
|
1722 void CMMFAudioController::MapcSetPlaybackWindowL(const TTimeIntervalMicroSeconds& aStart, const TTimeIntervalMicroSeconds& aEnd) |
|
1723 { |
|
1724 iDataPath->SetPlayWindowL(aStart, aEnd); |
|
1725 } |
|
1726 |
|
1727 /** |
|
1728 * MapcDeletePlaybackWindowL |
|
1729 */ |
|
1730 void CMMFAudioController::MapcDeletePlaybackWindowL() |
|
1731 { |
|
1732 iDataPath->ClearPlayWindowL(); |
|
1733 } |
|
1734 |
|
1735 |
|
1736 /** |
|
1737 * MapcSetRepeatsL |
|
1738 * @param aRepeatNumberOfTimes |
|
1739 * @param aTrailingSilence |
|
1740 * |
|
1741 */ |
|
1742 |
|
1743 TInt CMMFAudioController::MapcSetRepeats(TInt aRepeatNumberOfTimes, const TTimeIntervalMicroSeconds& aTrailingSilence) |
|
1744 { |
|
1745 TInt err = KErrNone; |
|
1746 #ifdef _DEBUG |
|
1747 RDebug::Print(_L("CMMFAudioController::MapcSetRepeats Enter ")); |
|
1748 #endif |
|
1749 if (!iDataSink) |
|
1750 { |
|
1751 err = KErrNotReady; |
|
1752 } |
|
1753 else if (iDataSink->DataSinkType() != KUidMmfAudioOutput) |
|
1754 { |
|
1755 err = KErrNotSupported; |
|
1756 } |
|
1757 else |
|
1758 { |
|
1759 MMMFAudioOutput* audioOutput = static_cast<MMMFAudioOutput*>(iDataSink); |
|
1760 if(audioOutput->SoundDevice().QueryIgnoresUnderflow()) |
|
1761 { |
|
1762 #ifdef _DEBUG |
|
1763 RDebug::Print(_L("CMMFAudioController::MapcSetRepeats RepeatCount [%d] TrailingSilence [%d]"),aRepeatNumberOfTimes, aTrailingSilence.Int64()); |
|
1764 #endif |
|
1765 iDataPath->SetRepeats(aRepeatNumberOfTimes,aTrailingSilence); |
|
1766 iDataPath->SetDrmProperties(iDataSource, &iDisableAutoIntent); |
|
1767 } |
|
1768 else |
|
1769 { |
|
1770 err = KErrNotSupported; |
|
1771 } |
|
1772 } |
|
1773 return err; |
|
1774 } |
|
1775 |
|
1776 |
|
1777 /** |
|
1778 * MapcGetLoadingProgressL |
|
1779 */ |
|
1780 void CMMFAudioController::MapcGetLoadingProgressL(TInt& /*aPercentageComplete*/) |
|
1781 { |
|
1782 User::Leave(KErrNotSupported); |
|
1783 } |
|
1784 |
|
1785 |
|
1786 /** |
|
1787 * MarcGetRecordTimeAvailableL |
|
1788 * @param aTime |
|
1789 * |
|
1790 */ |
|
1791 void CMMFAudioController::MarcGetRecordTimeAvailableL(TTimeIntervalMicroSeconds& aTime) |
|
1792 { |
|
1793 //[ assert the invariant ] |
|
1794 __ASSERT_ALWAYS( Invariant(), Panic(EBadInvariant)); |
|
1795 |
|
1796 //[ assert the precondition ( in a friendly way for this api |
|
1797 // that we minimally have a data sink ] |
|
1798 if( !iDataSink ) |
|
1799 User::Leave( KErrNotReady ); |
|
1800 |
|
1801 // Use the FormatEncode to get the bytes per second and the sink (clip) to get the bytes available |
|
1802 // return the calculated value. |
|
1803 if ((iDataSink->DataSinkType() != KUidMmfFileSink) && (iDataSink->DataSinkType() != KUidMmfDescriptorSink)) |
|
1804 User::Leave(KErrNotSupported) ; |
|
1805 |
|
1806 // [ max file size ] |
|
1807 //[ pre condition is that we have a sink ] |
|
1808 |
|
1809 // In order to get the record time available we need to take into consideration |
|
1810 // that there may be a max file size ] |
|
1811 TInt64 bytesFree = STATIC_CAST(CMMFClip*, iDataSink)->BytesFree() ; |
|
1812 TInt64 bytesPerSecond = TInt64(0); |
|
1813 //[ set default time available ] |
|
1814 aTime = TTimeIntervalMicroSeconds( 0 ) ; // just return zero |
|
1815 |
|
1816 if( iSinkFormat ) |
|
1817 { |
|
1818 TInt maxFileSize = STATIC_CAST(CMMFFormatEncode*, iSinkFormat)->MaximumClipSize(); |
|
1819 //[ if maxFileSize > 0 we need to limit the bytes free to this value - size ] |
|
1820 if( maxFileSize > 0 ) |
|
1821 { |
|
1822 // [ strangely the size of data written is a TInt ] |
|
1823 TInt fileSize = STATIC_CAST(CMMFClip*, iDataSink)->Size(); |
|
1824 bytesFree = maxFileSize - fileSize; |
|
1825 // [ note it can occur that the fileSize id greater than the MaxFileSize |
|
1826 // due to someone setting the max file size on an existing file ] |
|
1827 if( bytesFree < 0 ) bytesFree = 0; |
|
1828 __ASSERT_DEBUG( ( bytesFree <= maxFileSize), Panic( EBadInvariant) ); |
|
1829 } |
|
1830 bytesPerSecond = STATIC_CAST(CMMFFormatEncode*, iSinkFormat)->BytesPerSecond() ; |
|
1831 } |
|
1832 |
|
1833 //[ now lets perform the calculation of time available ] |
|
1834 if ( bytesPerSecond != TInt64(0) ) |
|
1835 { |
|
1836 aTime = TTimeIntervalMicroSeconds( bytesFree * KOneSecondInMicroSeconds / bytesPerSecond ) ; |
|
1837 } |
|
1838 |
|
1839 //[ assert the invariant ] |
|
1840 __ASSERT_ALWAYS( Invariant(), Panic(EBadInvariant)); |
|
1841 } |
|
1842 |
|
1843 /** |
|
1844 * MarcSetMaxDurationL |
|
1845 * @param aMaxDuration |
|
1846 */ |
|
1847 void CMMFAudioController::MarcSetMaxDurationL(const TTimeIntervalMicroSeconds& ) |
|
1848 { |
|
1849 //[ this method is deprecated and no longer supported ] |
|
1850 User::Leave(KErrNotSupported); |
|
1851 } |
|
1852 |
|
1853 /** |
|
1854 * MarcSetMaxFileSizeL |
|
1855 * @param aFileSize |
|
1856 * @precondition |
|
1857 * The argument aFileSize must be greater than -1 |
|
1858 * zero is used as a sentinel value which means that the file |
|
1859 * can grow without limit |
|
1860 */ |
|
1861 void CMMFAudioController::MarcSetMaxFileSizeL(TInt aFileSize ) |
|
1862 { |
|
1863 //[ assert the invariant ] |
|
1864 __ASSERT_ALWAYS( Invariant(), Panic(EBadInvariant)); |
|
1865 |
|
1866 //[ assert the state is not playing since this opens open |
|
1867 // nefarious posibilities |
|
1868 if(State() == EPlaying ) |
|
1869 User::Leave( KErrNotReady ); |
|
1870 |
|
1871 //[ assert we have a sink format ] |
|
1872 if( !iSinkFormat ) |
|
1873 User::Leave( KErrNotReady ); |
|
1874 |
|
1875 //[ assert file size > -1, as a basic sanity filter |
|
1876 // 0 is the sentinel value which allows a file to grow |
|
1877 // as needed ] |
|
1878 if( aFileSize < 0 ) |
|
1879 User::Leave( KErrArgument ); |
|
1880 |
|
1881 //[ pre condition is that we have a sink ] |
|
1882 STATIC_CAST(CMMFFormatEncode*, iSinkFormat)->SetMaximumClipSizeL( aFileSize ); |
|
1883 |
|
1884 // [ assert the post condition ] |
|
1885 // [since we have no means of querying the value |
|
1886 // we have to assume all went well for now or we left] |
|
1887 |
|
1888 //[ assert the invariant ] |
|
1889 __ASSERT_ALWAYS( Invariant(), Panic(EBadInvariant)); |
|
1890 } |
|
1891 |
|
1892 /** |
|
1893 * MarcCropL |
|
1894 * @param aToEnd |
|
1895 */ |
|
1896 void CMMFAudioController::MarcCropL(TBool aToEnd) |
|
1897 { |
|
1898 //[ assert the invariant ] |
|
1899 __ASSERT_ALWAYS( Invariant(), Panic(EBadInvariant)); |
|
1900 |
|
1901 //[ precondition there is a sink format] |
|
1902 if (!iSinkFormat) |
|
1903 User::Leave(KErrNotSupported); |
|
1904 |
|
1905 iSinkFormat->CropL( PositionL(), aToEnd ); |
|
1906 |
|
1907 //[ assert the invariant ] |
|
1908 __ASSERT_ALWAYS( Invariant(), Panic(EBadInvariant)); |
|
1909 } |
|
1910 |
|
1911 /** |
|
1912 * MarcAddMetaDataEntryL |
|
1913 * @param aNewEntry |
|
1914 */ |
|
1915 void CMMFAudioController::MarcAddMetaDataEntryL(const CMMFMetaDataEntry& aNewEntry ) |
|
1916 { |
|
1917 //[ assert the invariant ] |
|
1918 __ASSERT_ALWAYS( Invariant(), Panic(EBadInvariant)); |
|
1919 |
|
1920 //[ precondition the format exists ] |
|
1921 if( !iSinkFormat ) |
|
1922 User::Leave(KErrNotSupported); |
|
1923 |
|
1924 //[ Add the meta data entry ] |
|
1925 iSinkFormat->AddMetaDataEntryL( aNewEntry ); |
|
1926 |
|
1927 //[ assert the invariant ] |
|
1928 __ASSERT_ALWAYS( Invariant(), Panic(EBadInvariant)); |
|
1929 |
|
1930 } |
|
1931 |
|
1932 /** |
|
1933 * MarcRemoveMetaDataEntryL |
|
1934 * @param aIndex |
|
1935 */ |
|
1936 void CMMFAudioController::MarcRemoveMetaDataEntryL(TInt aIndex) |
|
1937 { |
|
1938 //[ assert the invariant ] |
|
1939 __ASSERT_ALWAYS( Invariant(), Panic(EBadInvariant)); |
|
1940 |
|
1941 //[ precondition that we are in the primed state ] |
|
1942 if( State() != EPrimed) |
|
1943 User::Leave(KErrNotReady); |
|
1944 |
|
1945 //[ precondition the format exists ] |
|
1946 if( !iSinkFormat ) |
|
1947 User::Leave(KErrNotSupported); |
|
1948 |
|
1949 //[ remove the meta data entry ] |
|
1950 iSinkFormat->RemoveMetaDataEntry( aIndex ); |
|
1951 |
|
1952 //[ assert the invariant ] |
|
1953 __ASSERT_ALWAYS( Invariant(), Panic(EBadInvariant)); |
|
1954 |
|
1955 } |
|
1956 |
|
1957 /** |
|
1958 * MarcReplaceMetaDataEntryL |
|
1959 * @param aIndex |
|
1960 * @param aNewEntry |
|
1961 */ |
|
1962 void CMMFAudioController::MarcReplaceMetaDataEntryL(TInt aIndex, const CMMFMetaDataEntry& aNewEntry) |
|
1963 { |
|
1964 //[ assert the invariant ] |
|
1965 __ASSERT_ALWAYS( Invariant(), Panic(EBadInvariant)); |
|
1966 |
|
1967 //[ precondition that we are in the primed state ] |
|
1968 if( State() != EPrimed) |
|
1969 User::Leave(KErrNotReady); |
|
1970 |
|
1971 //[ precondition the format exists ] |
|
1972 if( !iSinkFormat ) |
|
1973 User::Leave(KErrNotSupported); |
|
1974 |
|
1975 //[ replace meta data entry ] |
|
1976 iSinkFormat->ReplaceMetaDataEntryL( aIndex, aNewEntry ); |
|
1977 |
|
1978 //[ assert the invariant ] |
|
1979 __ASSERT_ALWAYS( Invariant(), Panic(EBadInvariant)); |
|
1980 |
|
1981 } |
|
1982 |
|
1983 /** |
|
1984 * MacSetSourceSampleRateL |
|
1985 * @param aSampleRate |
|
1986 */ |
|
1987 void CMMFAudioController::MacSetSourceSampleRateL(TUint aSampleRate) |
|
1988 { |
|
1989 // [ assert the invariant ] |
|
1990 __ASSERT_ALWAYS( Invariant(), Panic( EBadInvariant)); |
|
1991 |
|
1992 // [ assert the precondition we are stopped ] |
|
1993 if( State() != EStopped ) |
|
1994 User::Leave(KErrNotReady); |
|
1995 |
|
1996 |
|
1997 if (iSourceFormat) |
|
1998 {//only applicable to formats |
|
1999 // don't throw an error if the clip already exists with a different sample rate |
|
2000 TInt error = iSourceFormat->SetSampleRate(aSampleRate); |
|
2001 if (error != KErrNone && error != KErrAlreadyExists) |
|
2002 User::Leave(error); |
|
2003 } |
|
2004 else if (iDataSource && (iDataSource->DataSourceType()==KUidMmfAudioInput)) |
|
2005 { |
|
2006 // cast iDataSource to audio input and set sample rate |
|
2007 MMMFAudioInput* ai = STATIC_CAST(MMMFAudioInput*, iDataSource); |
|
2008 |
|
2009 //note that it is safe to call SoundDevice() |
|
2010 //as the controller logs onto the iDataSource when it is added |
|
2011 TMMFCapabilities devSoundConfig = ai->SoundDevice().Config(); |
|
2012 |
|
2013 ConvertFromSampleRateToDevSoundCapsL(aSampleRate, devSoundConfig); |
|
2014 ai->SoundDevice().SetConfigL(devSoundConfig); |
|
2015 //ReNegotiateL(); |
|
2016 } |
|
2017 else |
|
2018 User::Leave(KErrNotSupported); |
|
2019 |
|
2020 // [assert the post condition ] |
|
2021 __ASSERT_ALWAYS( Invariant(), Panic( EBadInvariant)); |
|
2022 |
|
2023 } |
|
2024 |
|
2025 /** |
|
2026 * MacSetSourceNumChannelsL |
|
2027 * @param aNumChannels |
|
2028 */ |
|
2029 void CMMFAudioController::MacSetSourceNumChannelsL(TUint aNumChannels) |
|
2030 { |
|
2031 // [ assert the invariant ] |
|
2032 __ASSERT_ALWAYS( Invariant(), Panic( EBadInvariant)); |
|
2033 |
|
2034 // [assert the precondition that we are stopped ] |
|
2035 if( State() != EStopped ) |
|
2036 User::Leave(KErrNotReady); |
|
2037 |
|
2038 if (iSourceFormat) |
|
2039 {//only applicable to formats |
|
2040 // don't throw an error if the clip already exists with a different number of channels |
|
2041 TInt error = iSourceFormat->SetNumChannels(aNumChannels); |
|
2042 if (error != KErrNone && error != KErrAlreadyExists) |
|
2043 User::Leave(error); |
|
2044 } |
|
2045 else if (iDataSource && (iDataSource->DataSourceType()==KUidMmfAudioInput)) |
|
2046 { |
|
2047 // cast iDataSource to audio input and set num channels |
|
2048 MMMFAudioInput* ai = STATIC_CAST(MMMFAudioInput*, iDataSource); |
|
2049 |
|
2050 //note that it is safe to call SoundDevice() |
|
2051 //as the controller logs onto the iDataSource when it is added |
|
2052 TMMFCapabilities devSoundConfig = ai->SoundDevice().Config(); |
|
2053 |
|
2054 ConvertFromNumChannelsToDevSoundCapsL(aNumChannels, devSoundConfig); |
|
2055 ai->SoundDevice().SetConfigL(devSoundConfig); |
|
2056 //ReNegotiateL(); |
|
2057 } |
|
2058 else |
|
2059 User::Leave(KErrNotSupported); |
|
2060 |
|
2061 // [ assert the invariant ] |
|
2062 __ASSERT_ALWAYS( Invariant(), Panic( EBadInvariant)); |
|
2063 |
|
2064 } |
|
2065 |
|
2066 /** |
|
2067 * MacSetSourceFormatL |
|
2068 * @param aFormatUid |
|
2069 * |
|
2070 */ |
|
2071 void CMMFAudioController::MacSetSourceFormatL(TUid aFormatUid) |
|
2072 { |
|
2073 //[ assert the invaraint ] |
|
2074 __ASSERT_ALWAYS( Invariant(), Panic( EBadInvariant)); |
|
2075 |
|
2076 // [ precondition that the controller is stopped ] |
|
2077 if( State() != EStopped ) |
|
2078 User::Leave( KErrNotReady ); |
|
2079 |
|
2080 //[ precondition that the data source exists] |
|
2081 if (!iDataSource) |
|
2082 User::Leave(KErrNotReady); |
|
2083 |
|
2084 //[ precondition that we need a format ] |
|
2085 if( !SourceFormatRequired( *iDataSource ) ) |
|
2086 User::Leave(KErrNotSupported); //cant set source format if source isn't a clip |
|
2087 |
|
2088 //[ if the format exists and the uid of the requested |
|
2089 // format is the same as the existing format then simply |
|
2090 // return otherwise create a new format ] |
|
2091 if( !((iSourceFormat) && ( iSourceFormat->ImplementationUid() == aFormatUid))) |
|
2092 { |
|
2093 // [ delete the old format regardless ] |
|
2094 delete iSourceFormat; |
|
2095 iSourceFormat = NULL; |
|
2096 iSourceFormat = CMMFFormatDecode::NewL(aFormatUid, iDataSource); |
|
2097 } |
|
2098 |
|
2099 //[ assert the invariant ] |
|
2100 __ASSERT_ALWAYS( Invariant(), Panic( EBadInvariant)); |
|
2101 |
|
2102 //[ assert the post condition that a source format has been constructed ] |
|
2103 __ASSERT_ALWAYS( (iSourceFormat != NULL), Panic( EPostConditionViolation )); |
|
2104 } |
|
2105 |
|
2106 /** |
|
2107 * MacSetSinkSampleRateL |
|
2108 * @param aSampleRate |
|
2109 */ |
|
2110 void CMMFAudioController::MacSetSinkSampleRateL(TUint aSampleRate) |
|
2111 { |
|
2112 //[ assert the invariant ] |
|
2113 __ASSERT_ALWAYS( Invariant(), Panic( EBadInvariant)); |
|
2114 |
|
2115 // [ assert the precondition that we are stopped ] |
|
2116 if (State() != EStopped ) |
|
2117 User::Leave(KErrNotReady); |
|
2118 |
|
2119 if (iSinkFormat) |
|
2120 {//only applicable to formats |
|
2121 // don't throw an error if the clip already exists with a different sample rate |
|
2122 TInt error = iSinkFormat->SetSampleRate(aSampleRate); |
|
2123 if (error != KErrNone && error != KErrAlreadyExists) |
|
2124 User::Leave(error); |
|
2125 } |
|
2126 else if (iDataSink && (iDataSink->DataSinkType()==KUidMmfAudioOutput)) |
|
2127 { |
|
2128 // cast iDataSink to audio output and set sample rate |
|
2129 MMMFAudioOutput* ao = STATIC_CAST(MMMFAudioOutput*, iDataSink); |
|
2130 |
|
2131 |
|
2132 |
|
2133 TMMFCapabilities devSoundConfig = ao->SoundDevice().Config(); |
|
2134 ConvertFromSampleRateToDevSoundCapsL(aSampleRate, devSoundConfig); |
|
2135 ao->SoundDevice().SetConfigL(devSoundConfig); |
|
2136 } |
|
2137 else |
|
2138 User::Leave(KErrNotSupported); |
|
2139 |
|
2140 //[ assert the invariant ] |
|
2141 __ASSERT_ALWAYS( Invariant(), Panic( EBadInvariant)); |
|
2142 } |
|
2143 |
|
2144 /** |
|
2145 * MacSetSinkNumChannelsL |
|
2146 * @param aNumChannels |
|
2147 * |
|
2148 */ |
|
2149 void CMMFAudioController::MacSetSinkNumChannelsL(TUint aNumChannels) |
|
2150 { |
|
2151 //[ assert the invariant ] |
|
2152 __ASSERT_ALWAYS( Invariant(), Panic( EBadInvariant)); |
|
2153 |
|
2154 // [ assert the precondition that we are stopped ] |
|
2155 if (State() != EStopped ) |
|
2156 User::Leave(KErrNotReady); |
|
2157 |
|
2158 if (iSinkFormat) |
|
2159 {//only applicable to formats |
|
2160 // don't throw an error if the clip already exists with a different number of channels |
|
2161 TInt error = iSinkFormat->SetNumChannels(aNumChannels); |
|
2162 if (error != KErrNone && error != KErrAlreadyExists) |
|
2163 User::Leave(error); |
|
2164 } |
|
2165 else if (iDataSink && (iDataSink->DataSinkType()==KUidMmfAudioOutput)) |
|
2166 { |
|
2167 // cast iDataSink to audio output and set num channels |
|
2168 MMMFAudioOutput* ao = STATIC_CAST(MMMFAudioOutput*, iDataSink); |
|
2169 |
|
2170 //note that it is safe to call SoundDevice() |
|
2171 //as the controller logs onto the iDataSource when it is added |
|
2172 TMMFCapabilities devSoundConfig = ao->SoundDevice().Config(); |
|
2173 ConvertFromNumChannelsToDevSoundCapsL(aNumChannels, devSoundConfig); |
|
2174 ao->SoundDevice().SetConfigL(devSoundConfig); |
|
2175 } |
|
2176 else |
|
2177 User::Leave(KErrNotSupported); |
|
2178 |
|
2179 // [assert the invariant ] |
|
2180 __ASSERT_ALWAYS( Invariant(), Panic( EBadInvariant)); |
|
2181 |
|
2182 } |
|
2183 |
|
2184 /** |
|
2185 * MacSetSinkFormatL |
|
2186 * @param aFormatUid |
|
2187 * |
|
2188 */ |
|
2189 void CMMFAudioController::MacSetSinkFormatL(TUid aFormatUid) |
|
2190 { |
|
2191 //[ assert the invariant ] |
|
2192 __ASSERT_ALWAYS( Invariant(), Panic( EBadInvariant)); |
|
2193 |
|
2194 // [ precondition that the controller is stopped ] |
|
2195 if( State() != EStopped ) |
|
2196 User::Leave( KErrNotReady ); |
|
2197 |
|
2198 //[ precondition that the data sink exists] |
|
2199 if (!iDataSink) |
|
2200 User::Leave(KErrNotReady); |
|
2201 |
|
2202 //[ precondition that we need a format ] |
|
2203 if (!SinkFormatRequired( *iDataSink)) |
|
2204 User::Leave(KErrNotSupported); |
|
2205 |
|
2206 //[ if the format exists and the uid of the requested |
|
2207 // format is the same as the existing format then simply |
|
2208 // return ] |
|
2209 if( !((iSinkFormat) && ( iSinkFormat->ImplementationUid() == aFormatUid))) |
|
2210 { |
|
2211 // [ delete the old format regardless ] |
|
2212 delete iSinkFormat; |
|
2213 iSinkFormat = NULL; |
|
2214 iSinkFormat = CMMFFormatEncode::NewL(aFormatUid, iDataSink); |
|
2215 } |
|
2216 |
|
2217 //[ assert the invariant ] |
|
2218 __ASSERT_ALWAYS( Invariant(), Panic( EBadInvariant)); |
|
2219 |
|
2220 //[ assert the post condition that a sink format has been constructed ] |
|
2221 __ASSERT_ALWAYS( (iSinkFormat != NULL), Panic( EPostConditionViolation )); |
|
2222 } |
|
2223 |
|
2224 |
|
2225 /** |
|
2226 * MacSetCodecL |
|
2227 * @param aSourceDataType |
|
2228 * @param aSinkDataType |
|
2229 * |
|
2230 */ |
|
2231 void CMMFAudioController::MacSetCodecL(TFourCC aSourceDataType, TFourCC aSinkDataType) |
|
2232 { |
|
2233 //[ assert the invariant ] |
|
2234 __ASSERT_ALWAYS( Invariant(), Panic(EBadInvariant)); |
|
2235 |
|
2236 //[ assert the precondition ] |
|
2237 if(State() != EStopped) |
|
2238 User::Leave(KErrNotReady); |
|
2239 |
|
2240 //pre condition that we have a source format or sink format |
|
2241 if (!iSourceFormat && !iSinkFormat) |
|
2242 { |
|
2243 User::Leave(KErrNotSupported); |
|
2244 } |
|
2245 //don't set codec directly -just set source & sink fourCC codes |
|
2246 //[ ] |
|
2247 TInt error(KErrNone); |
|
2248 if ((iSinkFormat)&&(aSinkDataType != KMMFFourCCCodeNULL)) |
|
2249 { |
|
2250 error = iSinkFormat->SetSinkDataTypeCode(aSinkDataType,iMediaId); |
|
2251 } |
|
2252 else if((iDataSink) && (aSinkDataType != KMMFFourCCCodeNULL)) |
|
2253 { |
|
2254 error = iDataSink->SetSinkDataTypeCode(aSinkDataType,iMediaId); |
|
2255 } |
|
2256 if ((iSourceFormat)&&(!error)&&(aSourceDataType != KMMFFourCCCodeNULL)) |
|
2257 { |
|
2258 error = iSourceFormat->SetSourceDataTypeCode(aSourceDataType,iMediaId); |
|
2259 } |
|
2260 else if ((iDataSource) && (aSourceDataType != KMMFFourCCCodeNULL)) |
|
2261 { |
|
2262 error = iDataSource->SetSourceDataTypeCode(aSourceDataType,iMediaId); |
|
2263 } |
|
2264 |
|
2265 //[ leave if we are not ready or there was an error ] |
|
2266 User::LeaveIfError(error); |
|
2267 |
|
2268 //[ assert the invariant ] |
|
2269 __ASSERT_ALWAYS( Invariant(), Panic(EBadInvariant)); |
|
2270 } |
|
2271 |
|
2272 /** |
|
2273 * MacSetSourceBitRateL |
|
2274 * @param "TUint" |
|
2275 * Sets the source bit rate |
|
2276 * |
|
2277 */ |
|
2278 void CMMFAudioController::MacSetSourceBitRateL(TUint aBitRate) |
|
2279 { |
|
2280 //[ assert the invariant ] |
|
2281 __ASSERT_ALWAYS( Invariant(), Panic(EBadInvariant)); |
|
2282 |
|
2283 //[ assert the precondition ] |
|
2284 if(State() != EStopped) |
|
2285 User::Leave(KErrNotReady); |
|
2286 |
|
2287 //[ pre condition that we have a source format] |
|
2288 if (!iSourceFormat) |
|
2289 User::Leave(KErrNotSupported); |
|
2290 |
|
2291 //only applicable to formats |
|
2292 User::LeaveIfError(iSourceFormat->SetBitRate(aBitRate)); |
|
2293 |
|
2294 //[ assert the set bit rate is the bit rate ] |
|
2295 __ASSERT_ALWAYS( (aBitRate == iSourceFormat->BitRate()), Panic( EPostConditionViolation )); |
|
2296 |
|
2297 //[ assert the invariant ] |
|
2298 __ASSERT_ALWAYS( Invariant(), Panic( EBadInvariant)); |
|
2299 } |
|
2300 |
|
2301 |
|
2302 /** |
|
2303 * |
|
2304 * MacSetSourceDataTypeL |
|
2305 * @param "TFourCC" |
|
2306 * |
|
2307 */ |
|
2308 void CMMFAudioController::MacSetSourceDataTypeL(TFourCC aDataType) |
|
2309 { |
|
2310 //pre condition we have a source format |
|
2311 if (!iSourceFormat) |
|
2312 { |
|
2313 User::Leave(KErrNotSupported); |
|
2314 } |
|
2315 MacSetCodecL(aDataType, KMMFFourCCCodeNULL); |
|
2316 } |
|
2317 |
|
2318 /** |
|
2319 * |
|
2320 * MacSetSinkBitRateL |
|
2321 * @param "TUint" |
|
2322 * |
|
2323 */ |
|
2324 void CMMFAudioController::MacSetSinkBitRateL(TUint aRate) |
|
2325 { |
|
2326 //[ assert the invariant ] |
|
2327 __ASSERT_ALWAYS( Invariant(), Panic( EBadInvariant)); |
|
2328 |
|
2329 // [ assert we are stopped ] |
|
2330 if( State() != EStopped) |
|
2331 User::Leave( KErrNotReady ); |
|
2332 |
|
2333 //[ pre condition we have a sink format ] |
|
2334 if (!iSinkFormat) |
|
2335 User::Leave(KErrNotSupported); |
|
2336 |
|
2337 //only applicable to formats |
|
2338 User::LeaveIfError(iSinkFormat->SetBitRate(aRate)); |
|
2339 |
|
2340 //[ assert the set bit rate is the bit rate ] |
|
2341 __ASSERT_ALWAYS( (aRate == iSinkFormat->BitRate()), Panic( EBadInvariant)); |
|
2342 |
|
2343 //[ assert the invariant ] |
|
2344 __ASSERT_ALWAYS( Invariant(), Panic( EBadInvariant)); |
|
2345 } |
|
2346 |
|
2347 /** |
|
2348 * |
|
2349 * MacSetSinkDataTypeL |
|
2350 * @param "TFourCC" |
|
2351 * |
|
2352 */ |
|
2353 void CMMFAudioController::MacSetSinkDataTypeL(TFourCC aDataType) |
|
2354 { |
|
2355 //precondition is that we have a sink format |
|
2356 if (!iSinkFormat) |
|
2357 { |
|
2358 User::Leave(KErrNotSupported); |
|
2359 } |
|
2360 |
|
2361 MacSetCodecL(KMMFFourCCCodeNULL, aDataType); |
|
2362 |
|
2363 if (iDataSink && (iDataSink->DataSinkType()==KUidMmfAudioOutput)) |
|
2364 { |
|
2365 MMMFAudioOutput* ao = STATIC_CAST(MMMFAudioOutput*, iDataSink); |
|
2366 TMMFCapabilities devSoundConfig = ao->SoundDevice().Config(); |
|
2367 RArray<TFourCC> dataTypes; |
|
2368 CleanupClosePushL(dataTypes); |
|
2369 |
|
2370 //[ set dev sound data type here ] |
|
2371 ConvertFromDataTypeToDevSoundCapsL(aDataType, devSoundConfig); |
|
2372 ao->SoundDevice().SetConfigL(devSoundConfig); |
|
2373 CleanupStack::PopAndDestroy();//dataTypes |
|
2374 } |
|
2375 } |
|
2376 |
|
2377 /** |
|
2378 * |
|
2379 * MacGetSourceSampleRateL |
|
2380 * @param "TUint" |
|
2381 * |
|
2382 */ |
|
2383 void CMMFAudioController::MacGetSourceSampleRateL(TUint& aRate) |
|
2384 { |
|
2385 //[ assert the invariant ] |
|
2386 __ASSERT_ALWAYS( Invariant(), Panic( EBadInvariant)); |
|
2387 |
|
2388 //[ precondition is that we have a source format || |
|
2389 // we have a data source and its an audio input ] |
|
2390 if( !((iDataSource && (iDataSource->DataSourceType()==KUidMmfAudioInput)) || |
|
2391 ( iSourceFormat ))) |
|
2392 User::Leave(KErrNotSupported); |
|
2393 |
|
2394 if (iSourceFormat) |
|
2395 { |
|
2396 aRate = iSourceFormat->SampleRate(); |
|
2397 } |
|
2398 else |
|
2399 { |
|
2400 // cast iDataSource to audio input and query sample rate |
|
2401 MMMFAudioInput* ai = STATIC_CAST(MMMFAudioInput*, iDataSource); |
|
2402 TMMFCapabilities devSoundConfig = ai->SoundDevice().Config(); |
|
2403 RArray<TUint> rates; |
|
2404 CleanupClosePushL(rates); |
|
2405 ConvertFromDevSoundCapsToSampleRatesL(devSoundConfig, rates); |
|
2406 ASSERT(rates.Count()==1);//make sure we've been given the correct config by devsound |
|
2407 aRate = rates[0]; |
|
2408 CleanupStack::PopAndDestroy();//rates |
|
2409 } |
|
2410 |
|
2411 //[ assert the invariant ] |
|
2412 __ASSERT_ALWAYS( Invariant(), Panic( EBadInvariant)); |
|
2413 } |
|
2414 |
|
2415 /** |
|
2416 * |
|
2417 * MacGetSourceBitRateL |
|
2418 * @param "TUint" |
|
2419 * |
|
2420 */ |
|
2421 void CMMFAudioController::MacGetSourceBitRateL(TUint& aRate) |
|
2422 { |
|
2423 //[ assert the invariant ] |
|
2424 __ASSERT_ALWAYS( Invariant(), Panic( EBadInvariant)); |
|
2425 |
|
2426 // Can only query formats for bit rate - devsound doesn't do bit rates. |
|
2427 if (!iSourceFormat) |
|
2428 User::Leave(KErrNotSupported); |
|
2429 |
|
2430 aRate = iSourceFormat->BitRate(); |
|
2431 |
|
2432 //[ assert the invariant ] |
|
2433 __ASSERT_ALWAYS( Invariant(), Panic( EBadInvariant)); |
|
2434 |
|
2435 } |
|
2436 |
|
2437 /** |
|
2438 * |
|
2439 * MacGetSourceNumChannelsL |
|
2440 * @param "TUint&" |
|
2441 * |
|
2442 */ |
|
2443 void CMMFAudioController::MacGetSourceNumChannelsL(TUint& aNumChannels) |
|
2444 { |
|
2445 //[ assert the invariant ] |
|
2446 __ASSERT_ALWAYS( Invariant(), Panic( EBadInvariant)); |
|
2447 |
|
2448 //[ assert the precondition ] |
|
2449 if( !((iSourceFormat) || |
|
2450 (iDataSource && (iDataSource->DataSourceType()==KUidMmfAudioInput)))) |
|
2451 User::Leave(KErrNotSupported); |
|
2452 |
|
2453 if (iSourceFormat) |
|
2454 { |
|
2455 aNumChannels = iSourceFormat->NumChannels(); |
|
2456 } |
|
2457 else |
|
2458 { |
|
2459 // cast iDataSource to audio input and query num channels |
|
2460 MMMFAudioInput* ai = STATIC_CAST(MMMFAudioInput*, iDataSource); |
|
2461 TMMFCapabilities devSoundConfig = ai->SoundDevice().Config(); |
|
2462 RArray<TUint> numChannels; |
|
2463 CleanupClosePushL(numChannels); |
|
2464 ConvertFromDevSoundCapsToNumChannelsL(devSoundConfig, numChannels); |
|
2465 ASSERT(numChannels.Count()==1); |
|
2466 aNumChannels = numChannels[0]; |
|
2467 CleanupStack::PopAndDestroy();//numChannels |
|
2468 } |
|
2469 |
|
2470 //[ assert the invariant ] |
|
2471 __ASSERT_ALWAYS( Invariant(), Panic( EBadInvariant)); |
|
2472 |
|
2473 } |
|
2474 |
|
2475 /** |
|
2476 * |
|
2477 * MacGetSourceFormatL |
|
2478 * @param "TUid" |
|
2479 */ |
|
2480 void CMMFAudioController::MacGetSourceFormatL(TUid& aFormat) |
|
2481 { |
|
2482 //[ assert the invariant ] |
|
2483 __ASSERT_ALWAYS( Invariant(), Panic( EBadInvariant)); |
|
2484 |
|
2485 //[ precondition we have a format ] |
|
2486 if (!iSourceFormat) |
|
2487 User::Leave(KErrNotSupported); |
|
2488 |
|
2489 // [ get the source format uid ] |
|
2490 aFormat = iSourceFormat->ImplementationUid(); |
|
2491 |
|
2492 //[ assert the invariant ] |
|
2493 __ASSERT_ALWAYS( Invariant(), Panic( EBadInvariant)); |
|
2494 |
|
2495 } |
|
2496 |
|
2497 /** |
|
2498 * |
|
2499 * MacGetSourceDataTypeL |
|
2500 * @param "TFourCC&" |
|
2501 * |
|
2502 */ |
|
2503 void CMMFAudioController::MacGetSourceDataTypeL(TFourCC& aDataType) |
|
2504 { |
|
2505 if (iSourceFormat) |
|
2506 aDataType = iSourceFormat->SourceDataTypeCode(TMediaId(KUidMediaTypeAudio)); |
|
2507 else if (iDataSource && (iDataSource->DataSourceType()==KUidMmfAudioInput)) |
|
2508 { |
|
2509 // cast iDataSource to audio input and query num channels |
|
2510 MMMFAudioInput* ai = STATIC_CAST(MMMFAudioInput*, iDataSource); |
|
2511 TMMFCapabilities devSoundConfig = ai->SoundDevice().Config(); |
|
2512 RArray<TFourCC> dataTypes; |
|
2513 CleanupClosePushL(dataTypes); |
|
2514 ConvertFromDevSoundCapsToDataTypesL(devSoundConfig, dataTypes); |
|
2515 ASSERT(dataTypes.Count()==1); |
|
2516 aDataType = dataTypes[0]; |
|
2517 CleanupStack::PopAndDestroy();//dataTypes |
|
2518 } |
|
2519 else |
|
2520 User::Leave(KErrNotSupported); |
|
2521 } |
|
2522 |
|
2523 /** |
|
2524 * |
|
2525 * MacGetSinkSampleRateL |
|
2526 * @param "TUint&" |
|
2527 * |
|
2528 */ |
|
2529 |
|
2530 void CMMFAudioController::MacGetSinkSampleRateL(TUint& aRate) |
|
2531 { |
|
2532 if (iSinkFormat) |
|
2533 aRate = iSinkFormat->SampleRate(); |
|
2534 else if (iDataSink && (iDataSink->DataSinkType()==KUidMmfAudioOutput)) |
|
2535 { |
|
2536 // cast iDataSink to audio output and query sample rate |
|
2537 MMMFAudioOutput* ao = STATIC_CAST(MMMFAudioOutput*, iDataSink); |
|
2538 TMMFCapabilities devSoundConfig = ao->SoundDevice().Config(); |
|
2539 RArray<TUint> rates; |
|
2540 CleanupClosePushL(rates); |
|
2541 ConvertFromDevSoundCapsToSampleRatesL(devSoundConfig, rates); |
|
2542 ASSERT(rates.Count()==1);//make sure we've been given the correct config by devsound |
|
2543 aRate = rates[0]; |
|
2544 CleanupStack::PopAndDestroy();//rates |
|
2545 } |
|
2546 else |
|
2547 User::Leave(KErrNotSupported); |
|
2548 } |
|
2549 |
|
2550 /** |
|
2551 * |
|
2552 * MacGetSinkBitRateL |
|
2553 * @param "TUint&" |
|
2554 * |
|
2555 */ |
|
2556 void CMMFAudioController::MacGetSinkBitRateL(TUint& aRate) |
|
2557 { |
|
2558 if (iSinkFormat) |
|
2559 aRate = iSinkFormat->BitRate(); |
|
2560 else |
|
2561 User::Leave(KErrNotSupported); |
|
2562 } |
|
2563 |
|
2564 /** |
|
2565 * |
|
2566 * MacGetSinkNumChannelsL |
|
2567 * @param "TUint&" |
|
2568 * |
|
2569 */ |
|
2570 void CMMFAudioController::MacGetSinkNumChannelsL(TUint& aNumChannels) |
|
2571 { |
|
2572 if (iSinkFormat) |
|
2573 aNumChannels = iSinkFormat->NumChannels(); |
|
2574 else if (iDataSink && (iDataSink->DataSinkType()==KUidMmfAudioOutput)) |
|
2575 { |
|
2576 // cast iDataSink to audio output and query num channels |
|
2577 MMMFAudioOutput* ao = STATIC_CAST(MMMFAudioOutput*, iDataSink); |
|
2578 TMMFCapabilities devSoundConfig = ao->SoundDevice().Config(); |
|
2579 RArray<TUint> numChannels; |
|
2580 CleanupClosePushL(numChannels); |
|
2581 ConvertFromDevSoundCapsToNumChannelsL(devSoundConfig, numChannels); |
|
2582 ASSERT(numChannels.Count()==1); |
|
2583 aNumChannels = numChannels[0]; |
|
2584 CleanupStack::PopAndDestroy();//numChannels |
|
2585 } |
|
2586 else |
|
2587 User::Leave(KErrNotSupported); |
|
2588 } |
|
2589 |
|
2590 /** |
|
2591 * |
|
2592 * MacGetSinkFormatL |
|
2593 * @param "TUid&" |
|
2594 * |
|
2595 */ |
|
2596 void CMMFAudioController::MacGetSinkFormatL(TUid& aFormat) |
|
2597 { |
|
2598 if (iSinkFormat) |
|
2599 aFormat = iSinkFormat->ImplementationUid(); |
|
2600 else |
|
2601 User::Leave(KErrNotSupported); |
|
2602 } |
|
2603 |
|
2604 /** |
|
2605 * |
|
2606 * MacGetSinkDataTypeL |
|
2607 * @param "TFourCC&" |
|
2608 * |
|
2609 */ |
|
2610 void CMMFAudioController::MacGetSinkDataTypeL(TFourCC& aDataType) |
|
2611 { |
|
2612 if (iSinkFormat) |
|
2613 aDataType = iSinkFormat->SinkDataTypeCode(TMediaId(KUidMediaTypeAudio)); |
|
2614 else if (iDataSink && (iDataSink->DataSinkType()==KUidMmfAudioOutput)) |
|
2615 { |
|
2616 // cast iDataSink to audio output and query data type |
|
2617 MMMFAudioOutput* ao = STATIC_CAST(MMMFAudioOutput*, iDataSink); |
|
2618 TMMFCapabilities devSoundConfig = ao->SoundDevice().Config(); |
|
2619 RArray<TFourCC> dataTypes; |
|
2620 CleanupClosePushL(dataTypes); |
|
2621 ConvertFromDevSoundCapsToDataTypesL(devSoundConfig, dataTypes); |
|
2622 ASSERT(dataTypes.Count()==1); |
|
2623 aDataType = dataTypes[0]; |
|
2624 CleanupStack::PopAndDestroy();//dataTypes |
|
2625 } |
|
2626 else |
|
2627 User::Leave(KErrNotSupported); |
|
2628 } |
|
2629 |
|
2630 /** |
|
2631 * |
|
2632 * MacGetSupportedSourceSampleRatesL |
|
2633 * @param "RArray<TUint>&" |
|
2634 * |
|
2635 */ |
|
2636 void CMMFAudioController::MacGetSupportedSourceSampleRatesL(RArray<TUint>& aSupportedRates) |
|
2637 { |
|
2638 aSupportedRates.Reset(); |
|
2639 if (iSourceFormat) |
|
2640 iSourceFormat->GetSupportedSampleRatesL(aSupportedRates); |
|
2641 else if (iDataSource && (iDataSource->DataSourceType()==KUidMmfAudioInput)) |
|
2642 { |
|
2643 // cast iDataSource to audio input and query supported sample rates |
|
2644 MMMFAudioInput* ai = STATIC_CAST(MMMFAudioInput*, iDataSource); |
|
2645 TMMFCapabilities devSoundConfig = ai->SoundDevice().Capabilities(); |
|
2646 ConvertFromDevSoundCapsToSampleRatesL(devSoundConfig, aSupportedRates); |
|
2647 } |
|
2648 else |
|
2649 User::Leave(KErrNotSupported); |
|
2650 } |
|
2651 |
|
2652 /** |
|
2653 * |
|
2654 * MacGetSupportedSourceBitRatesL |
|
2655 * @param "RArray<TUint>&" |
|
2656 * |
|
2657 */ |
|
2658 void CMMFAudioController::MacGetSupportedSourceBitRatesL(RArray<TUint>& aSupportedRates) |
|
2659 { |
|
2660 aSupportedRates.Reset(); |
|
2661 if (iSourceFormat) |
|
2662 iSourceFormat->GetSupportedBitRatesL(aSupportedRates); |
|
2663 else |
|
2664 User::Leave(KErrNotSupported); |
|
2665 } |
|
2666 |
|
2667 /*** |
|
2668 * |
|
2669 * MacGetSupportedSourceNumChannelsL |
|
2670 * @param "RArray<TUint>&" |
|
2671 * |
|
2672 */ |
|
2673 void CMMFAudioController::MacGetSupportedSourceNumChannelsL(RArray<TUint>& aSupportedChannels) |
|
2674 { |
|
2675 aSupportedChannels.Reset(); |
|
2676 if (iSourceFormat) |
|
2677 iSourceFormat->GetSupportedNumChannelsL(aSupportedChannels); |
|
2678 else if (iDataSource && (iDataSource->DataSourceType()==KUidMmfAudioInput)) |
|
2679 { |
|
2680 // cast iDataSource to audio input and query supported num channels |
|
2681 MMMFAudioInput* ai = STATIC_CAST(MMMFAudioInput*, iDataSource); |
|
2682 TMMFCapabilities devSoundConfig = ai->SoundDevice().Capabilities(); |
|
2683 ConvertFromDevSoundCapsToNumChannelsL(devSoundConfig, aSupportedChannels); |
|
2684 } |
|
2685 else |
|
2686 User::Leave(KErrNotSupported); |
|
2687 } |
|
2688 |
|
2689 /*** |
|
2690 * |
|
2691 * MacGetSupportedSourceDataTypesL |
|
2692 * @param "RArray<TFourCC>&" |
|
2693 * |
|
2694 */ |
|
2695 void CMMFAudioController::MacGetSupportedSourceDataTypesL(RArray<TFourCC>& aSupportedDataTypes) |
|
2696 { |
|
2697 aSupportedDataTypes.Reset(); |
|
2698 if (iSourceFormat) |
|
2699 iSourceFormat->GetSupportedDataTypesL(TMediaId(KUidMediaTypeAudio), aSupportedDataTypes); |
|
2700 else if (iDataSource && (iDataSource->DataSourceType()==KUidMmfAudioInput)) |
|
2701 { |
|
2702 // cast iDataSource to audio input and query supported data types |
|
2703 MMMFAudioInput* ai = STATIC_CAST(MMMFAudioInput*, iDataSource); |
|
2704 TMMFCapabilities devSoundConfig = ai->SoundDevice().Capabilities(); |
|
2705 ConvertFromDevSoundCapsToDataTypesL(devSoundConfig, aSupportedDataTypes); |
|
2706 } |
|
2707 else |
|
2708 User::Leave(KErrNotSupported); |
|
2709 } |
|
2710 |
|
2711 /*** |
|
2712 * |
|
2713 * MacGetSupportedSinkSampleRatesL |
|
2714 * @param "RArray<TUint>& " |
|
2715 * |
|
2716 */ |
|
2717 void CMMFAudioController::MacGetSupportedSinkSampleRatesL(RArray<TUint>& aSupportedRates) |
|
2718 { |
|
2719 aSupportedRates.Reset(); |
|
2720 if (iSinkFormat) |
|
2721 iSinkFormat->GetSupportedSampleRatesL(aSupportedRates); |
|
2722 else if (iDataSink && (iDataSink->DataSinkType()==KUidMmfAudioOutput)) |
|
2723 { |
|
2724 // cast iDataSink to audio output and query supported sample rates |
|
2725 MMMFAudioOutput* ao = STATIC_CAST(MMMFAudioOutput*, iDataSink); |
|
2726 TMMFCapabilities devSoundConfig = ao->SoundDevice().Capabilities(); |
|
2727 ConvertFromDevSoundCapsToSampleRatesL(devSoundConfig, aSupportedRates); |
|
2728 } |
|
2729 else |
|
2730 User::Leave(KErrNotSupported); |
|
2731 } |
|
2732 |
|
2733 /*** |
|
2734 * |
|
2735 * MacGetSupportedSinkBitRatesL |
|
2736 * @param RArray<TUint>& |
|
2737 * |
|
2738 */ |
|
2739 void CMMFAudioController::MacGetSupportedSinkBitRatesL(RArray<TUint>& aSupportedRates) |
|
2740 { |
|
2741 if (iSinkFormat) |
|
2742 iSinkFormat->GetSupportedBitRatesL(aSupportedRates); |
|
2743 else |
|
2744 User::Leave(KErrNotSupported); |
|
2745 } |
|
2746 |
|
2747 /*** |
|
2748 * |
|
2749 * MacGetSupportedSinkNumChannelsL |
|
2750 * @param RArray<TUint>& |
|
2751 * |
|
2752 */ |
|
2753 void CMMFAudioController::MacGetSupportedSinkNumChannelsL(RArray<TUint>& aSupportedChannels) |
|
2754 { |
|
2755 aSupportedChannels.Reset(); |
|
2756 if (iSinkFormat) |
|
2757 iSinkFormat->GetSupportedNumChannelsL(aSupportedChannels); |
|
2758 else if (iDataSink && (iDataSink->DataSinkType()==KUidMmfAudioOutput)) |
|
2759 { |
|
2760 // cast iDataSink to audio output and query supported channels |
|
2761 MMMFAudioOutput* ao = STATIC_CAST(MMMFAudioOutput*, iDataSink); |
|
2762 TMMFCapabilities devSoundConfig = ao->SoundDevice().Capabilities(); |
|
2763 ConvertFromDevSoundCapsToNumChannelsL(devSoundConfig, aSupportedChannels); |
|
2764 } |
|
2765 else |
|
2766 User::Leave(KErrNotSupported); |
|
2767 } |
|
2768 |
|
2769 /*** |
|
2770 * |
|
2771 * MacGetSupportedSinkDataTypesL |
|
2772 * @param "RArray<TFourCC>&" |
|
2773 */ |
|
2774 void CMMFAudioController::MacGetSupportedSinkDataTypesL(RArray<TFourCC>& aSupportedDataTypes) |
|
2775 { |
|
2776 aSupportedDataTypes.Reset(); |
|
2777 if (iSinkFormat) |
|
2778 iSinkFormat->GetSupportedDataTypesL(TMediaId(KUidMediaTypeAudio), aSupportedDataTypes); |
|
2779 else if (iDataSink && (iDataSink->DataSinkType()==KUidMmfAudioOutput)) |
|
2780 { |
|
2781 // cast iDataSink to audio output and query supported data types |
|
2782 MMMFAudioOutput* ao = STATIC_CAST(MMMFAudioOutput*, iDataSink); |
|
2783 TMMFCapabilities devSoundConfig = ao->SoundDevice().Capabilities(); |
|
2784 ConvertFromDevSoundCapsToDataTypesL(devSoundConfig, aSupportedDataTypes); |
|
2785 } |
|
2786 else |
|
2787 User::Leave(KErrNotSupported); |
|
2788 } |
|
2789 |
|
2790 /** |
|
2791 * |
|
2792 * ConvertFromDevSoundCapsToSampleRatesL |
|
2793 * @param "const TMMFCapabilities& " |
|
2794 * @param "RArray<TUint>&" |
|
2795 * |
|
2796 */ |
|
2797 void CMMFAudioController::ConvertFromDevSoundCapsToSampleRatesL(const TMMFCapabilities& aDevSoundCaps, RArray<TUint>& aSampleRates) |
|
2798 { |
|
2799 if (aDevSoundCaps.iRate & EMMFSampleRate8000Hz) |
|
2800 User::LeaveIfError(aSampleRates.Append(KSampleRate8000Hz)); |
|
2801 if (aDevSoundCaps.iRate & EMMFSampleRate11025Hz) |
|
2802 User::LeaveIfError(aSampleRates.Append(KSampleRate11025Hz)); |
|
2803 if (aDevSoundCaps.iRate & EMMFSampleRate12000Hz) |
|
2804 User::LeaveIfError(aSampleRates.Append(KSampleRate12000Hz)); |
|
2805 if (aDevSoundCaps.iRate & EMMFSampleRate16000Hz) |
|
2806 User::LeaveIfError(aSampleRates.Append(KSampleRate16000Hz)); |
|
2807 if (aDevSoundCaps.iRate & EMMFSampleRate22050Hz) |
|
2808 User::LeaveIfError(aSampleRates.Append(KSampleRate22050Hz)); |
|
2809 if (aDevSoundCaps.iRate & EMMFSampleRate24000Hz) |
|
2810 User::LeaveIfError(aSampleRates.Append(KSampleRate24000Hz)); |
|
2811 if (aDevSoundCaps.iRate & EMMFSampleRate32000Hz) |
|
2812 User::LeaveIfError(aSampleRates.Append(KSampleRate32000Hz)); |
|
2813 if (aDevSoundCaps.iRate & EMMFSampleRate44100Hz) |
|
2814 User::LeaveIfError(aSampleRates.Append(KSampleRate44100Hz)); |
|
2815 if (aDevSoundCaps.iRate & EMMFSampleRate48000Hz) |
|
2816 User::LeaveIfError(aSampleRates.Append(KSampleRate48000Hz)); |
|
2817 if (aDevSoundCaps.iRate & EMMFSampleRate64000Hz) |
|
2818 User::LeaveIfError(aSampleRates.Append(KSampleRate64000Hz)); |
|
2819 if (aDevSoundCaps.iRate & EMMFSampleRate88200Hz) |
|
2820 User::LeaveIfError(aSampleRates.Append(KSampleRate88200Hz)); |
|
2821 if (aDevSoundCaps.iRate & EMMFSampleRate96000Hz) |
|
2822 User::LeaveIfError(aSampleRates.Append(KSampleRate96000Hz)); |
|
2823 } |
|
2824 |
|
2825 /** |
|
2826 * |
|
2827 * ConvertFromDevSoundCapsToNumChannelsL |
|
2828 * @param "const TMMFCapabilities&" |
|
2829 * @param "RArray<TUint>&" |
|
2830 * |
|
2831 */ |
|
2832 void CMMFAudioController::ConvertFromDevSoundCapsToNumChannelsL(const TMMFCapabilities& aDevSoundCaps, RArray<TUint>& aNumChannels) |
|
2833 { |
|
2834 if (aDevSoundCaps.iChannels & EMMFMono) |
|
2835 User::LeaveIfError(aNumChannels.Append(KNumChannelsMono)); |
|
2836 if (aDevSoundCaps.iChannels & EMMFStereo) |
|
2837 User::LeaveIfError(aNumChannels.Append(KNumChannelsStereo)); |
|
2838 } |
|
2839 |
|
2840 /** |
|
2841 * |
|
2842 * ConvertFromDevSoundCapsToDataTypesL |
|
2843 * @param "const TMMFCapabilities&" |
|
2844 * @param "TMMFCapabilities& aDevSoundCaps, RArray<TFourCC>&" |
|
2845 * |
|
2846 */ |
|
2847 void CMMFAudioController::ConvertFromDevSoundCapsToDataTypesL(const TMMFCapabilities& aDevSoundCaps, RArray<TFourCC>& aDataTypes) |
|
2848 { |
|
2849 if (aDevSoundCaps.iEncoding & EMMFSoundEncoding8BitPCM) |
|
2850 User::LeaveIfError(aDataTypes.Append(KMMFFourCCCodePCM8)); |
|
2851 if (aDevSoundCaps.iEncoding & EMMFSoundEncoding16BitPCM) |
|
2852 User::LeaveIfError(aDataTypes.Append(KMMFFourCCCodePCM16)); |
|
2853 if (aDevSoundCaps.iEncoding & EMMFSoundEncoding8BitALaw) |
|
2854 User::LeaveIfError(aDataTypes.Append(KMMFFourCCCodeALAW)); |
|
2855 if (aDevSoundCaps.iEncoding & EMMFSoundEncoding8BitMuLaw) |
|
2856 User::LeaveIfError(aDataTypes.Append(KMMFFourCCCodeMuLAW)); |
|
2857 } |
|
2858 |
|
2859 /** |
|
2860 * |
|
2861 * ConvertFromSampleRateToDevSoundCapsL |
|
2862 * @param "TUint" |
|
2863 * @param "TMMFCapabilities&" |
|
2864 * |
|
2865 */ |
|
2866 void CMMFAudioController::ConvertFromSampleRateToDevSoundCapsL(TUint aSampleRate, TMMFCapabilities& aDevSoundCaps) |
|
2867 { |
|
2868 if (aSampleRate == KSampleRate8000Hz) |
|
2869 aDevSoundCaps.iRate = EMMFSampleRate8000Hz; |
|
2870 else if (aSampleRate == KSampleRate11025Hz) |
|
2871 aDevSoundCaps.iRate = EMMFSampleRate11025Hz; |
|
2872 else if (aSampleRate == KSampleRate12000Hz) |
|
2873 aDevSoundCaps.iRate = EMMFSampleRate12000Hz; |
|
2874 else if (aSampleRate == KSampleRate16000Hz) |
|
2875 aDevSoundCaps.iRate = EMMFSampleRate16000Hz; |
|
2876 else if (aSampleRate == KSampleRate22050Hz) |
|
2877 aDevSoundCaps.iRate = EMMFSampleRate22050Hz; |
|
2878 else if (aSampleRate == KSampleRate24000Hz) |
|
2879 aDevSoundCaps.iRate = EMMFSampleRate24000Hz; |
|
2880 else if (aSampleRate == KSampleRate32000Hz) |
|
2881 aDevSoundCaps.iRate = EMMFSampleRate32000Hz; |
|
2882 else if (aSampleRate == KSampleRate44100Hz) |
|
2883 aDevSoundCaps.iRate = EMMFSampleRate44100Hz; |
|
2884 else if (aSampleRate == KSampleRate48000Hz) |
|
2885 aDevSoundCaps.iRate = EMMFSampleRate48000Hz; |
|
2886 else if (aSampleRate == KSampleRate64000Hz) |
|
2887 aDevSoundCaps.iRate = EMMFSampleRate64000Hz; |
|
2888 else if (aSampleRate == KSampleRate88200Hz) |
|
2889 aDevSoundCaps.iRate = EMMFSampleRate88200Hz; |
|
2890 else if (aSampleRate == KSampleRate96000Hz) |
|
2891 aDevSoundCaps.iRate = EMMFSampleRate96000Hz; |
|
2892 else |
|
2893 User::Leave(KErrNotSupported); |
|
2894 } |
|
2895 |
|
2896 /** |
|
2897 * |
|
2898 * ConvertFromNumChannelsToDevSoundCapsL |
|
2899 * @param "TUint" |
|
2900 * @param "TMMFCapabilities&" |
|
2901 * |
|
2902 */ |
|
2903 void CMMFAudioController::ConvertFromNumChannelsToDevSoundCapsL(TUint aNumChannels, TMMFCapabilities& aDevSoundCaps) |
|
2904 { |
|
2905 if (aNumChannels == KNumChannelsMono) |
|
2906 aDevSoundCaps.iChannels = EMMFMono; |
|
2907 else if (aNumChannels == KNumChannelsStereo) |
|
2908 aDevSoundCaps.iChannels = EMMFStereo; |
|
2909 else |
|
2910 User::Leave(KErrNotSupported); |
|
2911 } |
|
2912 |
|
2913 /** |
|
2914 * |
|
2915 * ConvertFromDataTypeToDevSoundCapsL |
|
2916 * @param "TFourCC" |
|
2917 * @param "TMMFCapabilities&" |
|
2918 * |
|
2919 */ |
|
2920 void CMMFAudioController::ConvertFromDataTypeToDevSoundCapsL(TFourCC aDataType, TMMFCapabilities& aDevSoundCaps) |
|
2921 { |
|
2922 if (aDataType == KMMFFourCCCodePCM8) |
|
2923 aDevSoundCaps.iEncoding = EMMFSoundEncoding8BitPCM; |
|
2924 else if (aDataType == KMMFFourCCCodePCM16) |
|
2925 aDevSoundCaps.iEncoding = EMMFSoundEncoding16BitPCM; |
|
2926 else if (aDataType == KMMFFourCCCodeALAW) |
|
2927 aDevSoundCaps.iEncoding = EMMFSoundEncoding8BitALaw; |
|
2928 else if (aDataType == KMMFFourCCCodeMuLAW) |
|
2929 aDevSoundCaps.iEncoding = EMMFSoundEncoding8BitMuLaw; |
|
2930 else |
|
2931 User::Leave(KErrNotSupported); |
|
2932 } |
|
2933 |
|
2934 /** |
|
2935 * IsValidStateTransition |
|
2936 * The function validates a state transition from iState to aState |
|
2937 * and returns ETrue if the transition is allowed. |
|
2938 * @internalTechnology |
|
2939 * @param TControllerState |
|
2940 * @returns "TBool" |
|
2941 */ |
|
2942 TBool CMMFAudioController::IsValidStateTransition( TControllerState aState ) const |
|
2943 { |
|
2944 TBool result = ETrue ; |
|
2945 //[ assert the precondition that aState is a valid State ] |
|
2946 __ASSERT_ALWAYS( IsValidState(aState), Panic( EBadArgument ) ); |
|
2947 //[ assert the invariant that iState is a valid State ] |
|
2948 __ASSERT_ALWAYS( Invariant(), Panic( EBadInvariant )); |
|
2949 |
|
2950 // [ check the valid state transitions ] |
|
2951 // the only invalid transition is |
|
2952 // stopped to playing |
|
2953 if( ( iState == EStopped ) && ( aState == EPlaying )) |
|
2954 { |
|
2955 result = EFalse ; |
|
2956 } |
|
2957 |
|
2958 //[ assert the invariant that iState is a valid State ] |
|
2959 __ASSERT_ALWAYS( Invariant(), Panic( EBadInvariant )); |
|
2960 |
|
2961 return result ; |
|
2962 } |
|
2963 |
|
2964 /* |
|
2965 * Invariant |
|
2966 * @internalTechnology |
|
2967 * @returns "TBool" |
|
2968 * This function returns whether the invariant is valid |
|
2969 */ |
|
2970 TBool CMMFAudioController::Invariant() const |
|
2971 { |
|
2972 //[ The invariant is for now defined |
|
2973 // as simply being in the correct state and |
|
2974 // having iDataPath defined ] |
|
2975 return ( iDataPath )&& IsValidState( iState); |
|
2976 } |
|
2977 |
|
2978 /* |
|
2979 * SetState |
|
2980 * This function sets the state of the controller. |
|
2981 * @internalTechnology |
|
2982 * @returns "TBool" |
|
2983 */ |
|
2984 TBool CMMFAudioController::SetState(TControllerState aState) |
|
2985 { |
|
2986 TBool result = ETrue; |
|
2987 //[ assert the precondition that the state is a valid state ] |
|
2988 __ASSERT_ALWAYS( IsValidState( aState), Panic( EBadArgument ) ); |
|
2989 //[ assert the invariant the current state is valid ] |
|
2990 __ASSERT_ALWAYS( Invariant(), Panic( EBadInvariant ) ); |
|
2991 //[ only allow valid state transitions ] |
|
2992 if( IsValidStateTransition( aState ) ) |
|
2993 { |
|
2994 //[ valid state transition set the state] |
|
2995 iState = aState ; |
|
2996 } |
|
2997 else |
|
2998 { |
|
2999 //[ invalid state transition return EFalse ] |
|
3000 result = EFalse; |
|
3001 } |
|
3002 // [ assert the invariant on the state ] |
|
3003 __ASSERT_ALWAYS( Invariant(), Panic( EBadState )); |
|
3004 |
|
3005 return result ; |
|
3006 } |
|
3007 |
|
3008 /* |
|
3009 * IsValidState |
|
3010 * checks whether a state is a valid |
|
3011 * @internalTechnology |
|
3012 * @returns "TBool" |
|
3013 * @param TControllerState |
|
3014 */ |
|
3015 TBool CMMFAudioController::IsValidState( TControllerState aState ) const |
|
3016 { |
|
3017 TBool result = EFalse; |
|
3018 if(( aState >= EStopped ) && ( aState <= EPlaying )) |
|
3019 { |
|
3020 result = ETrue; |
|
3021 } |
|
3022 return result; |
|
3023 } |
|
3024 |
|
3025 /** |
|
3026 * State |
|
3027 * The function State returns the current state of the audio controller |
|
3028 * @internalTechnology |
|
3029 * @returns "TControllerState" |
|
3030 */ |
|
3031 CMMFAudioController::TControllerState CMMFAudioController::State() const |
|
3032 { |
|
3033 __ASSERT_ALWAYS( Invariant(), Panic( EBadInvariant ) ); |
|
3034 return iState; |
|
3035 } |
|
3036 |
|
3037 /** |
|
3038 * |
|
3039 * SinkFormatRequired |
|
3040 * |
|
3041 */ |
|
3042 TBool CMMFAudioController::SinkFormatRequired( MDataSink& aDataSink ) const |
|
3043 { |
|
3044 return (aDataSink.DataSinkType()==KUidMmfFileSink || |
|
3045 aDataSink.DataSinkType()==KUidMmfDescriptorSink); |
|
3046 } |
|
3047 |
|
3048 /** |
|
3049 * |
|
3050 * SourceFormatRequired |
|
3051 * |
|
3052 */ |
|
3053 |
|
3054 TBool CMMFAudioController::SourceFormatRequired(MDataSource& aDataSource) const |
|
3055 { |
|
3056 return (aDataSource.DataSourceType()==KUidMmfFileSource || |
|
3057 aDataSource.DataSourceType()==KUidMmfDescriptorSource); |
|
3058 } |
|
3059 |
|
3060 TInt CMMFAudioController::MdcEvaluateIntent(ContentAccess::TIntent aIntent) |
|
3061 { |
|
3062 if (!iDataSource) |
|
3063 { |
|
3064 return KErrNotReady; |
|
3065 } |
|
3066 |
|
3067 if (iDataSource->DataSourceType()==KUidMmfFileSource) |
|
3068 { |
|
3069 CMMFFile* file = static_cast<CMMFFile*>(iDataSource); |
|
3070 TInt err = file->EvaluateIntent(aIntent); |
|
3071 return err; |
|
3072 } |
|
3073 else |
|
3074 { |
|
3075 // Evaluating intent will always succeed on sinks that |
|
3076 // don't support DRM |
|
3077 return KErrNone; |
|
3078 } |
|
3079 |
|
3080 } |
|
3081 |
|
3082 TInt CMMFAudioController::MdcExecuteIntent(ContentAccess::TIntent aIntent) |
|
3083 { |
|
3084 |
|
3085 if (!iDataSource) |
|
3086 { |
|
3087 return KErrNotReady; |
|
3088 } |
|
3089 |
|
3090 if (iDataSource->DataSourceType()==KUidMmfFileSource) |
|
3091 { |
|
3092 CMMFFile* file = static_cast<CMMFFile*>(iDataSource); |
|
3093 TInt err = file->ExecuteIntent(aIntent); |
|
3094 return err; |
|
3095 } |
|
3096 else |
|
3097 { |
|
3098 // Executing intent will always succeed on sinks that |
|
3099 // don't support DRM |
|
3100 return KErrNone; |
|
3101 } |
|
3102 } |
|
3103 |
|
3104 TInt CMMFAudioController::MdcDisableAutomaticIntent(TBool aDisableAutoIntent) |
|
3105 { |
|
3106 iDisableAutoIntent = aDisableAutoIntent; |
|
3107 return KErrNone; |
|
3108 } |
|
3109 |
|
3110 |
|
3111 TInt CMMFAudioController::MdcSetAgentProperty(ContentAccess::TAgentProperty aProperty, TInt aValue) |
|
3112 { |
|
3113 |
|
3114 if (!iDataSource) |
|
3115 { |
|
3116 return KErrNotReady; |
|
3117 } |
|
3118 |
|
3119 if (iDataSource->DataSourceType()==KUidMmfFileSource) |
|
3120 { |
|
3121 CMMFFile* file = static_cast<CMMFFile*>(iDataSource); |
|
3122 TInt err = file->SetAgentProperty(aProperty, aValue); |
|
3123 return err; |
|
3124 } |
|
3125 else |
|
3126 { |
|
3127 return KErrNone; |
|
3128 } |
|
3129 } |
|
3130 |
|
3131 void CMMFAudioController::MarnRegisterAsClientL(TUid aEventType,const TDesC8& aNotificationRegistrationData) |
|
3132 { |
|
3133 //[ assert the invariant ] |
|
3134 __ASSERT_ALWAYS( Invariant(), Panic(EBadInvariant)); |
|
3135 //[ precondition that we have a sink] |
|
3136 if (!iDataSink) |
|
3137 { |
|
3138 User::Leave(KErrNotReady); |
|
3139 } |
|
3140 //[register the notification ] |
|
3141 MMMFAudioOutput* audioOutput = static_cast<MMMFAudioOutput*>(iDataSink); |
|
3142 TInt err = audioOutput->SoundDevice().RegisterAsClient(aEventType, aNotificationRegistrationData); |
|
3143 User::LeaveIfError(err); |
|
3144 iRegisterARN = ETrue; |
|
3145 //[ assert the invariant ] |
|
3146 __ASSERT_ALWAYS( Invariant(), Panic(EBadInvariant)); |
|
3147 } |
|
3148 |
|
3149 void CMMFAudioController::MarnCancelRegisterAsClientL(TUid aEventType) |
|
3150 { |
|
3151 //[ assert the invariant ] |
|
3152 __ASSERT_ALWAYS( Invariant(), Panic(EBadInvariant)); |
|
3153 //[ precondition that we have a sink] |
|
3154 if (!iDataSink) |
|
3155 { |
|
3156 User::Leave(KErrNotReady); |
|
3157 } |
|
3158 //[cancel the notification ] |
|
3159 MMMFAudioOutput* audioOutput = static_cast<MMMFAudioOutput*>(iDataSink); |
|
3160 TInt err = audioOutput->SoundDevice().CancelRegisterAsClient(aEventType); |
|
3161 User::LeaveIfError(err); |
|
3162 iRegisterARN = EFalse; |
|
3163 //[ assert the invariant ] |
|
3164 __ASSERT_ALWAYS( Invariant(), Panic(EBadInvariant)); |
|
3165 } |
|
3166 |
|
3167 void CMMFAudioController::MarnGetResourceNotificationDataL(TUid aEventType,TDes8& aNotificationData) |
|
3168 { |
|
3169 //[ assert the invariant ] |
|
3170 __ASSERT_ALWAYS( Invariant(), Panic(EBadInvariant)); |
|
3171 //[ precondition that we have a sink] |
|
3172 if (!iDataSink) |
|
3173 { |
|
3174 User::Leave(KErrNotReady); |
|
3175 } |
|
3176 //[get the notification data] |
|
3177 MMMFAudioOutput* audioOutput = static_cast<MMMFAudioOutput*>(iDataSink); |
|
3178 TMMFTimeIntervalMicroSecondsPckg pckg; |
|
3179 TInt err = audioOutput->SoundDevice().GetResourceNotificationData(aEventType, pckg); |
|
3180 User::LeaveIfError(err); |
|
3181 |
|
3182 // aNotificationData contains an offset = the number of samples played. |
|
3183 // As the client expects a position (in microseconds from the beginning |
|
3184 // of the clip) we need to convert the data depending on the sample rate |
|
3185 // Potential issue if using the number of samples played with VBR sampling. |
|
3186 RArray<TUint> array; |
|
3187 CleanupClosePushL(array); |
|
3188 ConvertFromDevSoundCapsToSampleRatesL(audioOutput->SoundDevice().Config(), array); |
|
3189 // Should only ever have 1 entry in the array |
|
3190 ASSERT(array.Count() == 1); |
|
3191 TUint rate = array[0]; |
|
3192 if (rate) |
|
3193 { |
|
3194 // Convert the given number of samples using the sample rate |
|
3195 const TInt KMicroSecsInOneSec = 1000000; |
|
3196 TTimeIntervalMicroSeconds value = pckg(); |
|
3197 value = TTimeIntervalMicroSeconds(value.Int64() * KMicroSecsInOneSec / rate); |
|
3198 pckg() = value; |
|
3199 } |
|
3200 else |
|
3201 { |
|
3202 User::Leave(KErrArgument); |
|
3203 } |
|
3204 aNotificationData = pckg; |
|
3205 CleanupStack::PopAndDestroy();//array |
|
3206 |
|
3207 //[ assert the invariant ] |
|
3208 __ASSERT_ALWAYS( Invariant(), Panic(EBadInvariant)); |
|
3209 } |
|
3210 |
|
3211 void CMMFAudioController::MarnWillResumePlayL() |
|
3212 { |
|
3213 //[ assert the invariant ] |
|
3214 __ASSERT_ALWAYS( Invariant(), Panic(EBadInvariant)); |
|
3215 //[ precondition that we have a sink] |
|
3216 if (!iDataSink) |
|
3217 { |
|
3218 User::Leave(KErrNotReady); |
|
3219 } |
|
3220 //[wait for the client to resume ] |
|
3221 MMMFAudioOutput* audioOutput = static_cast<MMMFAudioOutput*>(iDataSink); |
|
3222 TInt err = audioOutput->SoundDevice().WillResumePlay(); |
|
3223 User::LeaveIfError(err); |
|
3224 //[ assert the invariant ] |
|
3225 __ASSERT_ALWAYS( Invariant(), Panic(EBadInvariant)); |
|
3226 } |
|
3227 |
|
3228 // ----------------------------------------------------------------------------- |
|
3229 // From MCustomInterfaceCustomCommandImplementor |
|
3230 // Provides the default implementation. |
|
3231 // ----------------------------------------------------------------------------- |
|
3232 // |
|
3233 const TMMFMessageDestination& CMMFAudioController::GetCustomInterfaceBuilderL() |
|
3234 { |
|
3235 // If an effects manager already exist just return the handle to it |
|
3236 // otherwise, create one. |
|
3237 if ( !iCustomInterfaceBuilder ) |
|
3238 { |
|
3239 CMMFDevSound* mmfDevSound = NULL; |
|
3240 |
|
3241 if (iDataSource && iSinkFormat) //record |
|
3242 { |
|
3243 MMMFAudioInput* audioInput = STATIC_CAST(MMMFAudioInput*, iDataSource); |
|
3244 mmfDevSound = &audioInput->SoundDevice(); |
|
3245 } |
|
3246 else if (iDataSink && iSourceFormat) //play |
|
3247 { |
|
3248 MMMFAudioOutput* audioOutput = STATIC_CAST(MMMFAudioOutput*, iDataSink); |
|
3249 mmfDevSound = &audioOutput->SoundDevice(); |
|
3250 } |
|
3251 |
|
3252 if (mmfDevSound) |
|
3253 { |
|
3254 iCustomInterfaceBuilder = CCustomInterfaceBuilder::NewL(MMFObjectContainerL(), |
|
3255 *mmfDevSound); |
|
3256 TBool secure = EFalse; |
|
3257 secure = CMMFController::IsSecureDrmModeL(); |
|
3258 iCustomInterfaceBuilder->SetSecureCustomInterfaces( secure ); |
|
3259 |
|
3260 // Append custom interface builder to the array of MMFObjects |
|
3261 User::LeaveIfError(MMFObjectContainerL().AddMMFObject(*iCustomInterfaceBuilder)); |
|
3262 } |
|
3263 else |
|
3264 { |
|
3265 User::Leave(KErrNotReady); |
|
3266 } |
|
3267 } |
|
3268 |
|
3269 return iCustomInterfaceBuilder->Handle(); |
|
3270 } |