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1 /* |
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2 * Copyright (c) 2006 Nokia Corporation and/or its subsidiary(-ies). |
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3 * All rights reserved. |
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4 * This component and the accompanying materials are made available |
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5 * under the terms of "Eclipse Public License v1.0" |
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6 * which accompanies this distribution, and is available |
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7 * at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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8 * |
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9 * Initial Contributors: |
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10 * Nokia Corporation - initial contribution. |
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11 * |
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12 * Contributors: |
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13 * |
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14 * Description: Play controller for AMR audio formats. |
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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 // INCLUDES |
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20 #include "AMRAudioPlayControllerPlugin.h" |
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21 #include "AMRAudioPlayControllerPlugin.hrh" |
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22 #include "AMRAudioControllerUtility.h" |
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23 #include "AMRAudioPlayControllerDecoderBuilder.h" |
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24 #include "AMRAudioPlayControllerResource.h" |
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25 #include "DevSoundAudioOutput.h" |
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26 #include "FileAudioOutput.h" |
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27 #include "DebugMacros.h" |
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28 #include <mmfformatimplementationuids.hrh> |
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29 |
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30 // CONSTANTS |
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31 //const TInt KAapBufferSize = 8*1024; |
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32 const TUint KMonoChannel = 1; |
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33 const TUint KStereoChannel = 2; |
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34 |
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35 // ============================ MEMBER FUNCTIONS =============================== |
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36 |
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37 // ----------------------------------------------------------------------------- |
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38 // CAMRAudioPlayControllerPlugin::CAMRAudioPlayControllerPlugin |
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39 // ----------------------------------------------------------------------------- |
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40 // |
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41 CAMRAudioPlayControllerPlugin::CAMRAudioPlayControllerPlugin() |
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42 : iDecoderBuilder(NULL) |
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43 { |
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44 } |
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45 |
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46 // ----------------------------------------------------------------------------- |
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47 // CAMRAudioPlayControllerPlugin::ConstructL |
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48 // ----------------------------------------------------------------------------- |
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49 // |
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50 void CAMRAudioPlayControllerPlugin::ConstructL() |
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51 { |
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52 CAdvancedAudioPlayController::ConstructL(); |
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53 |
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54 iAudioResource = CAMRAudioPlayControllerResource::NewL(); |
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55 TAapProperties aapProperties = iAudioResource->PropertiesL(); |
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56 iSharedBufferMaxNum = aapProperties.iSharedBufferMaxNum; |
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57 iSharedBufferMaxSize = aapProperties.iSharedBufferMaxSize; |
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58 iMetaDataSupport = aapProperties.iMetaDataSupport; |
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59 |
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60 iAudioUtility = CAMRAudioControllerUtility::NewL(); |
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61 iDecoderBuilder = CAMRAudioPlayControllerDecoderBuilder::NewL(); |
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62 } |
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63 |
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64 // ----------------------------------------------------------------------------- |
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65 // CAMRAudioPlayControllerPlugin::NewL |
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66 // ----------------------------------------------------------------------------- |
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67 // |
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68 CAMRAudioPlayControllerPlugin* CAMRAudioPlayControllerPlugin::NewL() |
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69 { |
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70 DP0(_L("CAMRAudioPlayControllerPlugin::NewL")); |
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71 CAMRAudioPlayControllerPlugin* self = new(ELeave) CAMRAudioPlayControllerPlugin; |
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72 CleanupStack::PushL(self); |
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73 self->ConstructL(); |
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74 CleanupStack::Pop(self); |
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75 return self; |
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76 } |
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77 |
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78 // Destructor |
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79 CAMRAudioPlayControllerPlugin::~CAMRAudioPlayControllerPlugin() |
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80 { |
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81 DP0(_L("CAMRAudioPlayControllerPlugin::~CAMRAudioPlayControllerPlugin")); |
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82 if (iIsDRMProtected) |
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83 { |
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84 delete iDataSource; |
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85 } |
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86 |
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87 if ((iState != EStopped) && (iState != EInitialized) && iAudioOutput) |
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88 { |
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89 TRAPD(err, iAudioOutput->StopL()); |
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90 err = err; |
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91 } |
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92 |
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93 delete iDecoderBuilder; |
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94 delete iAudioUtility; |
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95 delete iAudioResource; |
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96 delete iAudioOutput; |
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97 } |
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98 |
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99 // ----------------------------------------------------------------------------- |
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100 // CAMRAudioPlayControllerPlugin::DoAddDataSourceL |
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101 // Initialization of Clip properties. We build a table needed for positioning. |
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102 // ----------------------------------------------------------------------------- |
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103 // |
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104 void CAMRAudioPlayControllerPlugin::DoAddDataSourceL() |
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105 { |
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106 DP0(_L("CAMRAudioPlayControllerPlugin::DoAddDataSourceL")); |
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107 } |
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108 |
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109 // ----------------------------------------------------------------------------- |
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110 // CAMRAudioPlayControllerPlugin::DoAddDataSinkL |
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111 // ----------------------------------------------------------------------------- |
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112 // |
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113 void CAMRAudioPlayControllerPlugin::DoAddDataSinkL() |
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114 { |
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115 DP0(_L("CAMRAudioPlayControllerPlugin::DoAddDataSinkL")); |
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116 if (iDataSink->DataSinkType() == KUidMmfAudioOutput) |
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117 { |
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118 iAudioOutput = CDevSoundAudioOutput::NewL(iPrioritySettings, *this, *iMMFDevSound); |
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119 iDecoderType = KAMRDecoder; |
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120 } |
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121 else if (iDataSink->DataSinkType() == KUidMmfFileSink) |
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122 { |
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123 iAudioOutput = CFileAudioOutput::NewL(*iDataSink, iPrioritySettings, *this); |
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124 iDecoderType = KAMRConverter; |
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125 } |
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126 else |
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127 { |
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128 User::Leave(KErrNotSupported); |
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129 } |
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130 } |
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131 |
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132 // ----------------------------------------------------------------------------- |
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133 // CAMRAudioPlayControllerPlugin::DoReadHeaderL |
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134 // ----------------------------------------------------------------------------- |
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135 // |
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136 void CAMRAudioPlayControllerPlugin::DoReadHeaderL(CMMFDataBuffer* aBuffer) |
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137 { |
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138 DP0(_L("CAMRAudioPlayControllerPlugin::DoReadHeaderL")); |
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139 // While parsing past header or id3 data, ScanHeaderL will leave with KErrNotReady. |
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140 // ScanHeaderL will leave if the util still wants more data for averaging |
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141 // by returning KErrCompletion. |
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142 // We need to trap so that we can save the config info and then |
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143 // do the leave below. |
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144 TRAPD(err, iAudioUtility->ScanHeaderL(aBuffer)); |
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145 |
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146 if(err != KErrNotReady) |
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147 { |
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148 iHeaderOffset = iAudioUtility->HeaderOffset(); |
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149 iSyncOffset = iAudioUtility->SyncOffset(); |
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150 iSampleRate = iAudioUtility->SampleRate(); |
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151 iSinkSampleRate = iSampleRate; // Default same as source |
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152 // iBitRate = iAudioUtility->BitRate(); |
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153 iChannels = iAudioUtility->Channels(); |
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154 // iSinkNumChannels = iChannels; // Default same as source |
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155 // iDuration = iAudioUtility->ScanDuration(); |
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156 iDataType = TFourCC(' ','A','M','R'); |
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157 iSourceFormat = TUid::Uid(KAdvancedUidFormatAMRRead); // what is this for ??? |
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158 |
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159 if (!(iChannels == KMonoChannel || iChannels == KStereoChannel)) |
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160 { |
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161 User::Leave(KErrNotSupported); |
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162 } |
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163 } |
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164 |
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165 User::LeaveIfError(err); |
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166 |
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167 // iCurrentPosition = iHeaderOffset; |
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168 // iReadHeader = EFalse; |
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169 |
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170 } |
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171 |
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172 CAdvancedAudioDecoder* CAMRAudioPlayControllerPlugin::BuildDecoderL() |
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173 { |
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174 return iDecoderBuilder->BuildDecoderL(iDecoderType); |
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175 } |
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176 |
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177 // ========================== OTHER EXPORTED FUNCTIONS ========================= |
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178 |
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179 // Exported proxy for instantiation method resolution |
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180 // Define the interface UIDs |
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181 const TImplementationProxy ImplementationTable[] = |
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182 { |
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183 IMPLEMENTATION_PROXY_ENTRY(KUIDAMRPlayControllerPluginImplementation, CAMRAudioPlayControllerPlugin::NewL) |
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184 }; |
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185 |
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186 // ----------------------------------------------------------------------------- |
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187 // ImplementationGroupProxy |
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188 // ----------------------------------------------------------------------------- |
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189 // |
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190 EXPORT_C const TImplementationProxy* ImplementationGroupProxy( |
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191 TInt& aTableCount) |
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192 { |
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193 aTableCount = sizeof(ImplementationTable) / sizeof(TImplementationProxy); |
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194 return ImplementationTable; |
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195 } |
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196 |
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197 // End of file |