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1 // Copyright (c) 2002-2009 Nokia Corporation and/or its subsidiary(-ies). |
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2 // All rights reserved. |
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3 // This component and the accompanying materials are made available |
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4 // under the terms of "Eclipse Public License v1.0" |
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5 // which accompanies this distribution, and is available |
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6 // at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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7 // |
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8 // Initial Contributors: |
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9 // Nokia Corporation - initial contribution. |
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10 // |
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11 // Contributors: |
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12 // |
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13 // Description: |
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14 // |
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15 |
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16 #include "MmfAudioInput.h" |
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17 #include <ecom/implementationproxy.h> |
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18 #include <mmf/server/mmfformat.h> |
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19 #include <mmf/plugin/mmfaudioiointerfaceuids.hrh> |
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20 |
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21 |
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22 void Panic(TInt aPanicCode) |
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23 { |
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24 _LIT(KMMFAudioInputPanicCategory, "MMFAudioInput"); |
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25 User::Panic(KMMFAudioInputPanicCategory, aPanicCode); |
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26 } |
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27 |
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28 /** |
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29 Static standard SymbianOS 2 phase constuction method. |
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30 |
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31 Constucts this audio device. |
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32 |
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33 @return A pointer to a MDataSource returned on successful construction. |
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34 */ |
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35 MDataSource* CMMFAudioInput::NewSourceL() |
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36 { |
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37 CMMFAudioInput* self = new (ELeave) CMMFAudioInput ; |
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38 CleanupStack::PushL(self); |
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39 self->ConstructL(); |
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40 CleanupStack::Pop(); |
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41 return STATIC_CAST( MDataSource*, self ); |
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42 } |
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43 |
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44 /** |
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45 Standard SymbianOS ConstructL. |
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46 |
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47 Used to initialise member varibles with device specific behaviour. |
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48 */ |
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49 void CMMFAudioInput::ConstructL() |
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50 { |
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51 iDataTypeCode = KMMFFourCCCodePCM16; |
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52 iActiveSchedulerWait = new(ELeave) CActiveSchedulerWait; |
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53 } |
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54 |
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55 /** |
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56 Standard SymbianOS destructor. |
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57 */ |
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58 CMMFAudioInput::~CMMFAudioInput() |
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59 { |
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60 delete iActiveSchedulerWait; |
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61 if (iMMFDevSound) |
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62 { |
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63 iMMFDevSound->Stop(); |
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64 delete iMMFDevSound; |
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65 } |
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66 } |
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67 |
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68 |
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69 /** |
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70 Overridable constuctor specific to this datasource. |
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71 |
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72 @param aInitData |
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73 The initialisation data. |
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74 */ |
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75 void CMMFAudioInput::ConstructSourceL( const TDesC8& /*aInitData*/ ) |
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76 { |
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77 } |
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78 |
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79 /** |
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80 @deprecated |
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81 |
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82 Gets audio from hardware device abstracted MMFDevsound (not used). |
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83 |
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84 @param aBuffer |
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85 The data to read in from a Hardware Device |
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86 @param aConsumer |
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87 The MDataSink consuming the data contained in aBuffer. |
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88 */ |
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89 void CMMFAudioInput::HWFillBufferL(CMMFBuffer* /*aBuffer*/, MDataSink* /*aConsumer*/) |
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90 { |
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91 } |
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92 |
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93 |
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94 /** |
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95 Gets audio from MMFDevsound. |
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96 |
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97 @pre |
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98 iMMFDevSound must be loaded. |
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99 |
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100 @param aBuffer |
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101 The data to read in from a Devsound device. |
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102 @param aConsumer |
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103 The MDataSink consuming the data contained in aBuffer. |
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104 @param aMediaId |
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105 Type of data supplied - currently ignored. |
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106 */ |
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107 void CMMFAudioInput::FillBufferL(CMMFBuffer* aBuffer, MDataSink* aConsumer, TMediaId /* aMediaId */) |
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108 { |
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109 iConsumer = aConsumer; |
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110 |
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111 if (!iMMFDevSound) |
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112 Panic(EMMFAudioInputDevSoundNotLoaded); |
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113 |
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114 if ((iState == EPaused) && (iPausePending != EFalse) && (iFirstBufferRequested) ) |
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115 { |
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116 User::Leave(KErrNotReady); |
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117 } |
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118 |
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119 if ((aBuffer != NULL) && (!CMMFBuffer::IsSupportedDataBuffer(aBuffer->Type()))) |
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120 User::Leave(KErrNotSupported); |
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121 |
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122 if (aConsumer == NULL) |
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123 User::Leave(KErrArgument); |
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124 |
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125 //this is a one-shot "prime" funtion for MMFDevSound as first buffer is uninitialised |
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126 if (!iFirstBufferRequested) |
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127 { |
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128 iMMFDevSound->RecordInitL(); |
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129 iFirstBufferRequested = ETrue; |
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130 return; |
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131 } |
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132 |
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133 if (iState != EDevSoundReady && iState != EPaused) |
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134 { |
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135 User::Leave(KErrNotReady); |
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136 } |
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137 |
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138 iMMFDevSound->RecordData(); |
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139 } |
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140 |
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141 /** |
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142 Indicates the data sink has emptied the buffer. |
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143 |
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144 Called by the data path's MDataSink when it has emptied the buffer. |
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145 |
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146 The default implementation is empty. |
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147 |
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148 @param aBuffer |
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149 The data buffer that has been emptied (not used). |
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150 */ |
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151 void CMMFAudioInput::BufferEmptiedL(CMMFBuffer* /*aBuffer*/) |
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152 { |
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153 } |
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154 |
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155 |
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156 /** |
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157 Tests whether a source buffer can be created. |
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158 |
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159 The default imlpementation returns true. |
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160 |
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161 @return A boolean indicating if the buffer can be made. ETrue if the buffer can be created, false |
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162 otherwise. |
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163 */ |
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164 TBool CMMFAudioInput::CanCreateSourceBuffer() |
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165 { |
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166 return ETrue; |
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167 } |
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168 |
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169 /** |
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170 Creates a source buffer. |
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171 |
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172 Intended for asynchronous usage (buffers supplied by Devsound device) |
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173 |
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174 @param aMediaId |
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175 The Media ID. Not used in the default implementation. |
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176 @param aReference |
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177 A boolean indicating if MDataSource owns the buffer. ETrue if it does, EFalse if it does |
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178 not. |
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179 |
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180 @return The buffer created (this will always be NULL when asychronous). |
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181 */ |
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182 CMMFBuffer* CMMFAudioInput::CreateSourceBufferL(TMediaId /*aMediaId*/, TBool &aReference) |
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183 { |
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184 CMMFDataBuffer* buf = NULL; |
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185 |
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186 aReference = ETrue; // This is a reference from DevSound |
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187 return buf; |
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188 } |
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189 |
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190 /** |
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191 Creates a source buffer. |
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192 |
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193 Intended for synchronous usage. |
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194 |
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195 @param aMediaId |
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196 The Media ID. Not used in the default implementation. |
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197 |
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198 @return The buffer created |
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199 */ |
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200 CMMFBuffer* CMMFAudioInput::CreateSourceBufferL(TMediaId /*aMediaId*/) |
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201 { |
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202 CMMFDataBuffer* buf = CMMFDataBuffer::NewL(KAudioInputDefaultFrameSize); |
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203 return buf; |
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204 } |
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205 |
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206 |
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207 /** |
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208 Primes the source. |
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209 |
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210 This is a virtual function that each derived class must implement, but may be left blank for |
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211 default behaviour. |
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212 |
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213 Overridable PrimeL method. Additional Prime method specific to this DataSource. |
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214 */ |
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215 void CMMFAudioInput::SourcePrimeL() |
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216 { |
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217 iState = EDevSoundReady; |
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218 } |
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219 |
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220 /** |
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221 Pauses the source. |
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222 |
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223 This is a virtual function that each derived class must implement, but may be left blank for default |
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224 behaviour. |
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225 |
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226 Overridable PauseL method. Additional Pause method specific to this DataSource. |
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227 */ |
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228 void CMMFAudioInput::SourcePauseL() |
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229 { |
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230 if (iState == EDevSoundReady) |
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231 {//not waiting on a buffer being played so stop devsound now |
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232 iState = EPaused; |
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233 if (iFirstBufferRead) |
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234 { |
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235 if (!iMMFDevSound) |
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236 Panic(EMMFAudioInputDevSoundNotLoaded); |
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237 else |
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238 iMMFDevSound->Pause(); |
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239 } |
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240 else |
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241 iPausePending = ETrue; // Wait for recording to get started. |
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242 } |
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243 //else if Devsound isn't ready then no point in stopping it |
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244 } |
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245 |
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246 |
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247 /** |
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248 Stops the source. |
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249 |
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250 This is a virtual function that each derived class must implement, but may be left blank for default |
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251 behaviour. |
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252 |
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253 Overridable StopL method. Additional Stop method specific to this DataSource. |
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254 */ |
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255 void CMMFAudioInput::SourceStopL() |
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256 { |
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257 iStopped = ETrue; |
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258 // This is done in Audio Output as well, not sure whether its needed here or not. |
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259 // Pause will be called before SourceStopL() and pause will take care of closing |
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260 // DevSound |
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261 if (iState == EDevSoundReady || iState == EPaused) |
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262 {//not waiting on a buffer being played so stop devsound now |
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263 iState = EIdle; |
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264 if (iFirstBufferRequested) |
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265 { |
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266 if (!iMMFDevSound) |
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267 Panic(EMMFAudioInputDevSoundNotLoaded); |
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268 else |
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269 { |
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270 iMMFDevSound->Stop(); |
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271 } |
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272 |
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273 iFirstBufferRequested = EFalse; |
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274 iFirstBufferRead = EFalse; |
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275 } |
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276 } |
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277 //else if Devsound isn't ready then no point in stopping it |
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278 } |
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279 |
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280 /** |
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281 Plays the source. |
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282 |
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283 This is a virtual function that each derived class must implement, but may be left blank for default |
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284 behaviour. |
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285 |
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286 Overridable PlayL method. Additional Play method specific to this DataSource. |
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287 */ |
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288 void CMMFAudioInput::SourcePlayL() |
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289 { |
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290 } |
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291 |
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292 /** |
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293 Logs on the source thread. |
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294 |
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295 Thread specific initialization procedure for this device. Runs automatically on thread construction. |
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296 |
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297 @param aEventHandler |
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298 The event handler. |
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299 |
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300 @return An error code indicating if the function call was successful. KErrNone on success, otherwise |
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301 another of the system-wide error codes. |
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302 */ |
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303 TInt CMMFAudioInput::SourceThreadLogon(MAsyncEventHandler& aEventHandler) |
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304 { |
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305 iEventHandler = &aEventHandler; |
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306 TInt err = KErrNone; |
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307 if (!iDevSoundLoaded) |
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308 TRAP(err, LoadL()); |
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309 return err; |
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310 } |
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311 |
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312 /** |
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313 Logs off the source thread. |
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314 |
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315 Thread specific destruction procedure for this device. Runs automatically on thread destruction. |
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316 */ |
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317 void CMMFAudioInput::SourceThreadLogoff() |
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318 { |
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319 if(iMMFDevSound) |
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320 { |
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321 iMMFDevSound->Stop(); |
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322 delete iMMFDevSound; |
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323 iMMFDevSound = NULL; |
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324 } |
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325 iDevSoundLoaded = EFalse; |
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326 iState = EIdle; |
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327 } |
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328 |
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329 /* |
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330 @internaTechnology |
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331 |
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332 @pre |
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333 dev sound should be created and loaded. |
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334 */ |
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335 void CMMFAudioInput::ConfigDevSoundL() |
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336 { |
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337 //[precondition dev sound created ] |
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338 ASSERT( iMMFDevSound ); |
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339 |
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340 // Query DevSound capabilities and Try to use DevSound sample rate and |
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341 // mono/stereo capability |
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342 TMMFCapabilities devSoundCaps = iMMFDevSound->Capabilities(); |
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343 // get current config |
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344 TMMFCapabilities devSoundConfig = iMMFDevSound->Config(); |
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345 |
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346 // Default PCM16 |
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347 devSoundConfig.iEncoding = EMMFSoundEncoding16BitPCM; |
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348 |
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349 // 1 = Monophonic and 2 == Stereo |
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350 if (((iSinkChannels == 1) && (devSoundCaps.iChannels & EMMFMono)) || |
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351 ((iSinkChannels == 2) && (devSoundCaps.iChannels & EMMFStereo))) |
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352 devSoundConfig.iChannels = iSinkChannels; |
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353 |
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354 |
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355 // Check for std sample rates. |
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356 if ((iSinkSampleRate == 96000) && (devSoundCaps.iRate & EMMFSampleRate96000Hz)) |
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357 devSoundConfig.iRate = EMMFSampleRate96000Hz; |
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358 else if ((iSinkSampleRate == 88200) && (devSoundCaps.iRate & EMMFSampleRate88200Hz)) |
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359 devSoundConfig.iRate = EMMFSampleRate88200Hz; |
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360 else if ((iSinkSampleRate == 64000) && (devSoundCaps.iRate & EMMFSampleRate64000Hz)) |
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361 devSoundConfig.iRate = EMMFSampleRate64000Hz; |
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362 else if ((iSinkSampleRate == 48000) && (devSoundCaps.iRate & EMMFSampleRate48000Hz)) |
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363 devSoundConfig.iRate = EMMFSampleRate48000Hz; |
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364 else if ((iSinkSampleRate == 44100) && (devSoundCaps.iRate & EMMFSampleRate44100Hz)) |
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365 devSoundConfig.iRate = EMMFSampleRate44100Hz; |
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366 else if ((iSinkSampleRate == 32000) && (devSoundCaps.iRate & EMMFSampleRate32000Hz)) |
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367 devSoundConfig.iRate = EMMFSampleRate32000Hz; |
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368 else if ((iSinkSampleRate == 24000) && (devSoundCaps.iRate & EMMFSampleRate24000Hz)) |
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369 devSoundConfig.iRate = EMMFSampleRate24000Hz; |
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370 else if ((iSinkSampleRate == 22050) && (devSoundCaps.iRate & EMMFSampleRate22050Hz)) |
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371 devSoundConfig.iRate = EMMFSampleRate22050Hz; |
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372 else if ((iSinkSampleRate == 16000) && (devSoundCaps.iRate & EMMFSampleRate16000Hz)) |
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373 devSoundConfig.iRate = EMMFSampleRate16000Hz; |
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374 else if ((iSinkSampleRate == 12000) && (devSoundCaps.iRate & EMMFSampleRate12000Hz)) |
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375 devSoundConfig.iRate = EMMFSampleRate12000Hz; |
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376 else if ((iSinkSampleRate == 11025) && (devSoundCaps.iRate & EMMFSampleRate11025Hz)) |
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377 devSoundConfig.iRate = EMMFSampleRate11025Hz; |
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378 else if ((iSinkSampleRate == 8000) && (devSoundCaps.iRate & EMMFSampleRate8000Hz)) |
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379 devSoundConfig.iRate = EMMFSampleRate8000Hz; |
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380 else |
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381 { |
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382 // pick the maximum sample rate available |
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383 if (devSoundCaps.iRate & EMMFSampleRate96000Hz) |
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384 devSoundConfig.iRate = EMMFSampleRate96000Hz; |
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385 else if (devSoundCaps.iRate & EMMFSampleRate88200Hz) |
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386 devSoundConfig.iRate = EMMFSampleRate88200Hz; |
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387 else if (devSoundCaps.iRate & EMMFSampleRate64000Hz) |
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388 devSoundConfig.iRate = EMMFSampleRate64000Hz; |
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389 else if (devSoundCaps.iRate & EMMFSampleRate48000Hz) |
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390 devSoundConfig.iRate = EMMFSampleRate48000Hz; |
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391 else if (devSoundCaps.iRate & EMMFSampleRate44100Hz) |
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392 devSoundConfig.iRate = EMMFSampleRate44100Hz; |
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393 else if (devSoundCaps.iRate & EMMFSampleRate32000Hz) |
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394 devSoundConfig.iRate = EMMFSampleRate32000Hz; |
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395 else if (devSoundCaps.iRate & EMMFSampleRate24000Hz) |
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396 devSoundConfig.iRate = EMMFSampleRate24000Hz; |
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397 else if (devSoundCaps.iRate & EMMFSampleRate22050Hz) |
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398 devSoundConfig.iRate = EMMFSampleRate22050Hz; |
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399 else if (devSoundCaps.iRate & EMMFSampleRate16000Hz) |
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400 devSoundConfig.iRate = EMMFSampleRate16000Hz; |
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401 else if (devSoundCaps.iRate & EMMFSampleRate12000Hz) |
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402 devSoundConfig.iRate = EMMFSampleRate12000Hz; |
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403 else if (devSoundCaps.iRate & EMMFSampleRate11025Hz) |
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404 devSoundConfig.iRate = EMMFSampleRate11025Hz; |
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405 else if (devSoundCaps.iRate & EMMFSampleRate8000Hz) |
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406 devSoundConfig.iRate = EMMFSampleRate8000Hz; |
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407 else |
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408 ASSERT(EFalse); // if we don't support any sample rates, there is not much we can do |
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409 |
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410 } |
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411 |
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412 iMMFDevSound->SetConfigL(devSoundConfig); |
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413 } |
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414 |
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415 /** |
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416 Negotiates with the sink. |
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417 |
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418 Called if the source's setup depends on sink. |
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419 |
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420 @param aSink |
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421 The Data sink. Takes an MDataSink reference so a DataSource can negotiate with this |
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422 MDataSource. |
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423 */ |
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424 void CMMFAudioInput::NegotiateSourceL(MDataSink& aSink) |
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425 { |
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426 if (aSink.DataSinkType() == KUidMmfFormatEncode) |
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427 {//sink is a clip so for now set sink settings to match sink |
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428 iSinkSampleRate = ((CMMFFormatEncode&)aSink).SampleRate(); |
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429 iSinkChannels = ((CMMFFormatEncode&)aSink).NumChannels(); |
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430 iSinkFourCC.Set(aSink.SinkDataTypeCode(TMediaId(KUidMediaTypeAudio))); |
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431 |
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432 // if the sink's sample rate is undefined, try to obtain and use a |
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433 // default sample rate from the sink. If this is zero, use 8K |
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434 if (iSinkSampleRate == 0) |
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435 { |
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436 iSinkSampleRate = ((CMMFFormatEncode&)aSink).GetDefaultSampleRate(); |
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437 if (iSinkSampleRate == 0) |
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438 iSinkSampleRate = 8000; |
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439 } |
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440 |
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441 } |
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442 |
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443 if (iMMFDevSound == NULL) |
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444 User::Leave(KErrNotReady); |
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445 |
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446 TMMFState prioritySettingsState = iPrioritySettings.iState; //should be EMMFStateRecording |
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447 //to use the GetSupportedOutputDatatypes but we'll save it just in case it's not |
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448 iPrioritySettings.iState = EMMFStateRecording; //if playing does not support any output data types |
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449 RArray<TFourCC> supportedDataTypes; |
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450 //note Output data types becuase if we are recording audio ie audio input |
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451 //the data is sent as an output from DevSound |
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452 TRAPD(err, iMMFDevSound->GetSupportedOutputDataTypesL(supportedDataTypes, iPrioritySettings)); |
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453 iPrioritySettings.iState = prioritySettingsState; |
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454 if (err == KErrNone) |
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455 { |
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456 if (supportedDataTypes.Find(iSinkFourCC) == KErrNotFound) |
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457 {//the source fourCC code could not be found in the list of |
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458 //data types supported by the Devsound therefor default to pcm16 |
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459 iDataTypeCode = KMMFFourCCCodePCM16; |
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460 } |
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461 else |
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462 { |
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463 //the DevSound does support the same datatype as the source |
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464 //so set the fourcc to that of the source |
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465 iDataTypeCode = iSinkFourCC; |
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466 } |
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467 } |
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468 supportedDataTypes.Close(); |
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469 if (err == KErrNotSupported) |
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470 {//if the Devsound does not support the GetSupportedOutputDataTypesL method |
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471 //then assume that the DevSound is pcm16 only |
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472 iDataTypeCode = KMMFFourCCCodePCM16; |
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473 } |
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474 else if (err != KErrNone) //we had a real leave error from GetSupportedOuputDataTypesL |
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475 { |
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476 User::Leave(err); |
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477 } |
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478 |
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479 // Prevent defect when SourcePrimeL is called before NegotiateSourceL() |
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480 // since characterization is ambiguous |
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481 if(iState == EDevSoundReady) |
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482 { |
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483 iState = EIdle; |
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484 } |
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485 |
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486 // moved from LoadL - fix for DEF037168 - AD |
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487 iMMFDevSound->InitializeL(*this, iDataTypeCode, EMMFStateRecording); |
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488 |
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489 // In some implementations InitializeComplete is sent |
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490 // in context, so check before starting activeSchedulerWait. |
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491 if (iState != EDevSoundReady) |
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492 { |
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493 iInitializeState = KRequestPending; |
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494 iActiveSchedulerWait->Start(); |
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495 } |
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496 User::LeaveIfError(iInitializeState); |
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497 |
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498 iMMFDevSound->SetPrioritySettings(iPrioritySettings); |
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499 |
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500 // Attempt to configure DevSound to the same settings as the sink. |
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501 // Need to do this after calling CMMFDevSound::InitializeL() as |
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502 // this sets up the device capabilities |
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503 // (returned by iMMFDevSound->Capabilities()). |
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504 ConfigDevSoundL(); |
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505 } |
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506 |
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507 /** |
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508 Sets the source's priority settings. |
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509 |
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510 @param aPrioritySettings |
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511 The source priority settings. Takes enumerations to determine audio record priority. Higher |
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512 numbers mean high priority (can interrupt lower priorities). |
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513 */ |
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514 void CMMFAudioInput::SetSourcePrioritySettings(const TMMFPrioritySettings& aPrioritySettings) |
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515 { |
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516 iPrioritySettings = aPrioritySettings; |
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517 if (!iMMFDevSound) |
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518 Panic(EMMFAudioInputDevSoundNotLoaded); |
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519 else |
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520 iMMFDevSound->SetPrioritySettings(iPrioritySettings); |
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521 } |
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522 |
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523 |
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524 /** |
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525 Gets the data type code for the source specified by the media ID. |
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526 |
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527 @param aMediaId |
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528 An optional parameter to specifiy a specific stream when the datasource contains more than |
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529 one stream of data. |
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530 |
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531 @return The 4CC of the data supplied by this source. |
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532 */ |
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533 TFourCC CMMFAudioInput::SourceDataTypeCode(TMediaId /*aMediaId*/) |
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534 { |
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535 return iDataTypeCode; |
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536 } |
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537 |
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538 /** |
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539 Sets the data type code for the source. |
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540 |
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541 @param aSourceFourCC |
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542 The 4CC of the data supplied by this source. |
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543 @param aMediaId |
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544 The Media ID. An optional parameter to specifiy specific stream when datasource contains |
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545 more than one stream of data. |
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546 |
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547 @return An error code indicating if the function call was successful. KErrNone on success, otherwise |
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548 another of the system-wide error codes. |
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549 */ |
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550 TInt CMMFAudioInput::SetSourceDataTypeCode(TFourCC aSourceFourCC, TMediaId /*aMediaId*/) |
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551 { |
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552 iDataTypeCode = aSourceFourCC; |
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553 return KErrNone; |
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554 } |
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555 |
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556 /** |
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557 Gets the number of bytes played. |
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558 |
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559 @return The number of bytes played. If 16-bit divide this number returned by 2 to get word length. |
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560 */ |
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561 TInt CMMFAudioInput::BytesPlayed() |
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562 { |
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563 if (!iMMFDevSound) |
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564 Panic(EMMFAudioInputDevSoundNotLoaded); |
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565 return iMMFDevSound->SamplesPlayed(); |
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566 } |
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567 |
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568 /** |
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569 Returns the sound device. |
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570 |
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571 @pre |
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572 Dev Sound should be loaded. |
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573 |
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574 Accessor function exposing public CMMFDevsound methods. |
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575 |
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576 @return A reference to a CMMFDevSound objector. |
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577 */ |
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578 CMMFDevSound& CMMFAudioInput::SoundDevice() |
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579 { |
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580 if (!iMMFDevSound) |
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581 { |
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582 Panic(EMMFAudioInputDevSoundNotLoaded); |
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583 } |
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584 return *iMMFDevSound; |
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585 } |
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586 |
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587 |
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588 /** |
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589 @deprecated |
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590 |
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591 This method should not be used - it is provided to maintain SC with v7.0s. |
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592 |
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593 @param aAudioType |
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594 The 4CC of the data supplied by this source. |
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595 */ |
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596 void CMMFAudioInput::SetDataTypeL(TFourCC aAudioType) |
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597 { |
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598 if (aAudioType != KMMFFourCCCodePCM16) |
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599 { |
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600 User::Leave(KErrNotSupported); |
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601 } |
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602 } |
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603 |
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604 |
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605 /** |
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606 @deprecated |
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607 |
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608 This method should not be used - it is provided to maintain SC with v7.0s. |
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609 |
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610 @return The 4CC of the data supplied by this source. |
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611 */ |
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612 TFourCC CMMFAudioInput::DataType() const |
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613 { |
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614 return KMMFFourCCCodePCM16; |
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615 } |
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616 |
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617 |
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618 /** |
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619 Loads audio device drivers and initialise this device. |
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620 */ |
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621 void CMMFAudioInput::LoadL() |
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622 { |
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623 //[ do all the work that can fail first |
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624 // before we modify the internal state ] |
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625 |
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626 iMMFDevSound = CMMFDevSound::NewL(); |
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627 iFirstBufferRequested = EFalse; |
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628 iFirstBufferRead = EFalse; |
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629 if (iState != EDevSoundReady) |
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630 { |
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631 iState = EIdle; |
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632 } |
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633 |
|
634 iDevSoundLoaded = ETrue; |
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635 |
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636 //[ assert dev sound has been constructed] |
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637 ASSERT( iMMFDevSound ); |
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638 ASSERT( iDevSoundLoaded ); |
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639 ASSERT( !iFirstBufferRead ); |
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640 } |
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641 |
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642 void CMMFAudioInput::DeviceMessage(TUid /*aMessageType*/, const TDesC8& /* aMsg */) |
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643 { |
|
644 } |
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645 |
|
646 void CMMFAudioInput::InitializeComplete(TInt aError) |
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647 { |
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648 if (aError == KErrNone) |
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649 { |
|
650 iState = EDevSoundReady; |
|
651 } |
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652 |
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653 if(iInitializeState == KRequestPending) |
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654 { |
|
655 iInitializeState = aError; |
|
656 iActiveSchedulerWait->AsyncStop(); |
|
657 } |
|
658 } |
|
659 |
|
660 |
|
661 /** |
|
662 ToneFinished MMFDevSoundObserver - should never get called. |
|
663 */ |
|
664 void CMMFAudioInput::ToneFinished(TInt /*aError*/) |
|
665 { |
|
666 //we should never get here during a record session! |
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667 __ASSERT_DEBUG(EFalse,Panic(EMMFAudioInputPanicToneFinishedNotSupported)); |
|
668 } |
|
669 |
|
670 |
|
671 /** |
|
672 BuffferToBeEmptied MMFDevSoundObserver |
|
673 Called when stopped due to error. |
|
674 */ |
|
675 void CMMFAudioInput::BufferToBeEmptied(CMMFBuffer* aBuffer) |
|
676 { |
|
677 iDevSoundBuf = aBuffer; |
|
678 |
|
679 if (iFirstBufferRequested) |
|
680 { |
|
681 if (iPausePending) |
|
682 { |
|
683 aBuffer->SetLastBuffer(ETrue); |
|
684 iPausePending = EFalse; |
|
685 } |
|
686 |
|
687 #ifdef _DEBUG |
|
688 TRAPD(err, iConsumer->BufferFilledL(aBuffer)); |
|
689 __ASSERT_DEBUG(!err, Panic(err)); |
|
690 #else |
|
691 TRAP_IGNORE(iConsumer->BufferFilledL(aBuffer)); |
|
692 #endif |
|
693 |
|
694 iFirstBufferRead = ETrue; |
|
695 } |
|
696 } |
|
697 |
|
698 |
|
699 /** |
|
700 RecordError MMFDevSoundObserver |
|
701 Called when stopped due to error. |
|
702 */ |
|
703 void CMMFAudioInput::RecordError(TInt aError) |
|
704 { |
|
705 //[ two event categories will be used |
|
706 // which mirrors the datapath response ] |
|
707 |
|
708 //[ record the error ] |
|
709 iMMFDevsoundError = aError; |
|
710 TMMFEvent event( KMMFEventCategoryPlaybackComplete, aError); |
|
711 |
|
712 //[ send the event to the client. |
|
713 SendEventToClient(event); |
|
714 |
|
715 // clear flags if there is an error. |
|
716 iPausePending = EFalse; |
|
717 |
|
718 //[ we are not going to stop devsound ] |
|
719 } |
|
720 |
|
721 |
|
722 /** |
|
723 BufferToBeFilled MMFDevSoundObserver - should never get called. |
|
724 */ |
|
725 void CMMFAudioInput::BufferToBeFilled(CMMFBuffer* /*aBuffer*/) |
|
726 { |
|
727 //we should never get here during a play session! |
|
728 __ASSERT_DEBUG(EFalse, Panic(EMMFAudioInputPanicPlayerDataUsedNotSupported)); |
|
729 } |
|
730 |
|
731 |
|
732 /** |
|
733 PlayError MMFDevSoundObserver - should never get called. |
|
734 */ |
|
735 void CMMFAudioInput::PlayError(TInt /*aError*/) |
|
736 { |
|
737 //we should never get here during a record session! |
|
738 __ASSERT_DEBUG(EFalse, Panic(EMMFAudioInputPanicPlayErrorNotSupported)); |
|
739 } |
|
740 |
|
741 |
|
742 /** |
|
743 ConvertError MMFDevSoundObserver - should never get called. |
|
744 */ |
|
745 void CMMFAudioInput::ConvertError(TInt /*aError*/) |
|
746 { |
|
747 } |
|
748 |
|
749 |
|
750 void CMMFAudioInput::SendEventToClient(const TMMFEvent& aEvent) |
|
751 { |
|
752 iEventHandler->SendEventToClient(aEvent); |
|
753 } |
|
754 |
|
755 // _________________________________________________________________________ |
|
756 // Exported proxy for instantiation method resolution |
|
757 // Define the interface UIDs |
|
758 |
|
759 const TImplementationProxy ImplementationTable[] = |
|
760 { |
|
761 IMPLEMENTATION_PROXY_ENTRY(KMmfUidAudioInputInterface, CMMFAudioInput::NewSourceL) |
|
762 }; |
|
763 |
|
764 EXPORT_C const TImplementationProxy* ImplementationGroupProxy(TInt& aTableCount) |
|
765 { |
|
766 aTableCount = sizeof(ImplementationTable) / sizeof(TImplementationProxy); |
|
767 |
|
768 return ImplementationTable; |
|
769 } |
|
770 |