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1 //buffersource.cpp |
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2 |
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3 // Copyright (c) 2006-2009 Nokia Corporation and/or its subsidiary(-ies). |
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4 // All rights reserved. |
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5 // This component and the accompanying materials are made available |
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6 // under the terms of "Eclipse Public License v1.0" |
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7 // which accompanies this distribution, and is available |
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8 // at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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9 // |
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10 // Initial Contributors: |
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11 // Nokia Corporation - initial contribution. |
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12 // |
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13 // Contributors: |
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14 // |
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15 // Description: |
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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 "buffersource.h" |
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21 #include "minputport.h" |
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22 |
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23 // --------------------------------------------------------------------------- |
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24 // Constructor |
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25 // --------------------------------------------------------------------------- |
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26 // |
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27 CBufferSource::CBufferSource() |
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28 : CActive(EPriorityStandard) |
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29 { |
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30 TRACE_CREATE(); |
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31 DP_CONTEXT(CBufferSource::CBufferSource *CD1*, CtxDevSound, DPLOCAL); |
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32 DP_IN(); |
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33 DP_OUT(); |
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34 } |
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35 |
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36 // --------------------------------------------------------------------------- |
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37 // Factory method |
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38 // --------------------------------------------------------------------------- |
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39 // |
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40 EXPORT_C CBufferSource* CBufferSource::NewL() |
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41 { |
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42 DP_STATIC_CONTEXT(CBufferSource::NewL *CD0*, CtxDevSound, DPLOCAL); |
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43 DP_IN(); |
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44 CBufferSource* self = new(ELeave)CBufferSource(); |
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45 CleanupStack::PushL(self); |
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46 self->ConstructL(); |
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47 CleanupStack::Pop(self); |
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48 DP0_RET(self, "0x%x"); |
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49 } |
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50 |
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51 // --------------------------------------------------------------------------- |
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52 // Second phase constructor |
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53 // --------------------------------------------------------------------------- |
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54 // |
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55 void CBufferSource::ConstructL() |
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56 { |
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57 DP_CONTEXT(CBufferSource::ConstructL *CD1*, CtxDevSound, DPLOCAL); |
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58 DP_IN(); |
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59 CActiveScheduler::Add(this); |
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60 DP_OUT(); |
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61 } |
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62 |
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63 // --------------------------------------------------------------------------- |
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64 // Destructor |
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65 // --------------------------------------------------------------------------- |
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66 // |
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67 CBufferSource::~CBufferSource() |
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68 { |
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69 DP_CONTEXT(CBufferSource::~CBufferSource *CD1*, CtxDevSound, DPLOCAL); |
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70 DP_IN(); |
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71 DP_OUT(); |
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72 } |
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73 |
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74 |
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75 // from MMMFBufferSource |
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76 // --------------------------------------------------------------------------- |
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77 // CBufferSource::SetDataSupplier |
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78 // --------------------------------------------------------------------------- |
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79 TInt CBufferSource::SetDataSupplier(MMMFAudioDataSupplier& aSupplier) |
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80 { |
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81 DP_CONTEXT(CBufferSource::SetDataSupplier *CD1*, CtxDevSound, DPLOCAL); |
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82 DP_IN(); |
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83 iSupplier = &aSupplier; |
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84 DP0_RET(KErrNone, "%d"); |
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85 } |
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86 |
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87 // --------------------------------------------------------------------------- |
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88 // CBufferSource::BufferFilled |
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89 // --------------------------------------------------------------------------- |
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90 TInt CBufferSource::BufferFilled(CMMFBuffer* aBuffer) |
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91 { |
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92 DP_CONTEXT(CBufferSource::BufferFilled *CD1*, CtxDevSound, DPLOCAL); |
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93 DP_IN(); |
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94 iBuffer = aBuffer; |
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95 DP_OUT(); |
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96 return iInput->BufferFilled(aBuffer); |
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97 } |
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98 |
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99 // --------------------------------------------------------------------------- |
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100 // CBufferSource::BuffersDiscarded |
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101 // --------------------------------------------------------------------------- |
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102 TInt CBufferSource::BuffersDiscarded() |
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103 { |
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104 DP_CONTEXT(CBufferSource::BuffersDiscarded *CD1*, CtxDevSound, DPLOCAL); |
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105 // Check what we are suppose to do |
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106 DP_IN(); |
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107 if(iBuffer) |
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108 { |
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109 iBuffer = NULL; |
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110 } |
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111 DP0_RET(KErrNone, "%d"); |
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112 } |
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113 |
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114 |
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115 //From MOutputPort |
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116 // --------------------------------------------------------------------------- |
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117 // CBufferSource::FillBuffer |
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118 // --------------------------------------------------------------------------- |
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119 // |
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120 TInt CBufferSource::FillBuffer(CMMFBuffer* aBuffer, MInputPort* aConsumer) |
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121 { |
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122 DP_CONTEXT(CBufferSource::FillBuffer *CD1*, CtxDevSound, DPLOCAL); |
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123 DP_IN(); |
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124 TInt err = KErrNone; |
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125 if (aConsumer == iInput) |
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126 { |
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127 iSupplier->BufferToBeFilled(static_cast<MMMFBufferSource*>(this), aBuffer); |
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128 } |
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129 else |
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130 { |
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131 err = KErrNotSupported; |
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132 } |
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133 DP0_RET(err, "%d"); |
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134 } |
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135 |
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136 // --------------------------------------------------------------------------- |
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137 // CBufferSource::BufferEmptied |
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138 // --------------------------------------------------------------------------- |
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139 // |
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140 TInt CBufferSource::BufferEmptied(CMMFBuffer* /*aBuffer*/) |
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141 { |
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142 DP_CONTEXT(CBufferSource::BufferEmptied *CD1*, CtxDevSound, DPLOCAL); |
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143 DP_IN(); |
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144 DP0_RET(KErrNone, "%d"); |
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145 } |
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146 |
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147 // --------------------------------------------------------------------------- |
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148 // CBufferSource::SetInput |
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149 // --------------------------------------------------------------------------- |
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150 // |
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151 TInt CBufferSource::SetInput(MInputPort* aInput) |
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152 { |
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153 DP_CONTEXT(CBufferSource::SetInput *CD1*, CtxDevSound, DPLOCAL); |
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154 DP_IN(); |
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155 iInput = aInput; |
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156 DP0_RET(KErrNone, "%d"); |
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157 } |
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158 |
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159 // --------------------------------------------------------------------------- |
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160 // CBufferSource::RemoveInput |
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161 // --------------------------------------------------------------------------- |
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162 // |
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163 TInt CBufferSource::RemoveInput(MInputPort* /*aInput*/) |
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164 { |
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165 DP_CONTEXT(CBufferSource::RemoveInput *CD1*, CtxDevSound, DPLOCAL); |
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166 DP_IN(); |
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167 iInput = NULL; |
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168 DP0_RET(KErrNone, "%d"); |
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169 } |
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170 |
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171 // --------------------------------------------------------------------------- |
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172 // CBufferSource::GetOutputPort |
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173 // --------------------------------------------------------------------------- |
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174 // |
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175 TInt CBufferSource::GetOutputPort(MOutputPort*& aOutputPort) |
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176 { |
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177 DP_CONTEXT(CBufferSource::GetOutputPort *CD1*, CtxDevSound, DPLOCAL); |
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178 DP_IN(); |
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179 aOutputPort = this; |
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180 DP0_RET(KErrNone, "%d"); |
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181 } |
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182 |
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183 // --------------------------------------------------------------------------- |
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184 // CBufferSource::FlushBuffer |
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185 // --------------------------------------------------------------------------- |
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186 // |
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187 TInt CBufferSource::FlushBuffer(MFlushHandlerObserver* aFlushObserver) |
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188 { |
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189 DP_CONTEXT(CBufferSource::FlushBuffer *CD1*, CtxDevSound, DPLOCAL); |
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190 DP_IN(); |
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191 iObserver = aFlushObserver; |
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192 if (!IsActive()) |
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193 { |
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194 TRequestStatus* status = &iStatus; |
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195 User::RequestComplete(status, KErrNone); |
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196 SetActive(); |
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197 } |
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198 DP0_RET(KErrNone, "%d"); |
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199 } |
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200 |
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201 // From CActive |
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202 // --------------------------------------------------------------------------- |
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203 // CBufferSource::DoCancel |
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204 // --------------------------------------------------------------------------- |
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205 // |
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206 void CBufferSource::DoCancel() |
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207 { |
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208 DP_CONTEXT(CBufferSource::FlushBuffer *CD1*, CtxDevSound, DPLOCAL); |
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209 DP_IN(); |
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210 |
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211 // Nothing to do |
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212 |
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213 DP_OUT(); |
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214 } |
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215 |
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216 // --------------------------------------------------------------------------- |
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217 // CBufferSource::RunL |
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218 // --------------------------------------------------------------------------- |
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219 // |
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220 void CBufferSource::RunL() |
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221 { |
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222 DP_CONTEXT(CBufferSource::RunL *CD1*, CtxDevSound, DPLOCAL); |
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223 DP_IN(); |
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224 |
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225 iSupplier->DiscardBuffers(this); |
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226 iObserver->FlushComplete(KErrNone); |
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227 |
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228 DP_OUT(); |
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229 } |
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230 |
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231 |
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232 // end of file |