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1 // Copyright (c) 2007-2009 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 <ecom/implementationproxy.h> |
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17 #include <ecom/implementationproxy.h> |
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18 #include <ecom/ecom.h> |
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19 #include "bufferframesconfigci.h" |
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20 |
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21 // Helper class to pass data over process boundary |
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22 class TFrameInfo |
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23 { |
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24 public: |
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25 TInt iFrameCount; |
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26 TInt iSamplesPerFrame; |
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27 }; |
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28 |
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29 // MUX // |
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30 /*****************************************************************************/ |
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31 |
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32 TInt CMMFBufferFramesConfigMux::OpenInterface(TUid /*aInterfaceId*/) |
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33 { |
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34 // attempt to open the interface link with the |
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35 // remote slave device |
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36 iRemoteHandle = -1; |
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37 TUid slaveId = {KMmfUidCustomInterfaceBufferFramesConfigDeMux}; |
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38 |
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39 TInt handle = iUtility->OpenSlave(slaveId, KNullDesC8); |
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40 if (handle >= 0) |
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41 { |
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42 iRemoteHandle = handle; |
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43 } |
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44 |
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45 return iRemoteHandle; |
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46 } |
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47 |
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48 /*****************************************************************************/ |
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49 void CMMFBufferFramesConfigMux::Release() |
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50 { |
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51 // close the slave device if it exists |
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52 if (iRemoteHandle > 0) |
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53 { |
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54 // we assume the slave is closed correctly |
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55 iUtility->CloseSlave(iRemoteHandle); |
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56 } |
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57 |
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58 TUid key = iDestructorKey; |
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59 delete this; |
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60 |
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61 // tell ECom to destroy us |
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62 REComSession::DestroyedImplementation(key); |
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63 } |
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64 |
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65 /*****************************************************************************/ |
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66 void CMMFBufferFramesConfigMux::PassDestructorKey(TUid aDestructorKey) |
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67 { |
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68 // store the destructor key |
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69 iDestructorKey = aDestructorKey; |
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70 } |
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71 |
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72 /*****************************************************************************/ |
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73 void CMMFBufferFramesConfigMux::CompleteConstructL(MMMFDevSoundCustomInterfaceMuxUtility* aCustomUtility) |
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74 { |
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75 // store a pointer to the utility |
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76 iUtility = aCustomUtility; |
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77 } |
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78 |
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79 /*****************************************************************************/ |
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80 MMMFDevSoundCustomInterfaceMuxPlugin* CMMFBufferFramesConfigMux::NewL() |
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81 { |
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82 CMMFBufferFramesConfigMux* self = new (ELeave) CMMFBufferFramesConfigMux; |
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83 return self; |
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84 } |
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85 |
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86 /*****************************************************************************/ |
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87 TAny* CMMFBufferFramesConfigMux::CustomInterface(TUid /*aInterfaceId*/) |
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88 { |
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89 MMMFBufferFramesConfig* interface = this; |
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90 return interface; |
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91 } |
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92 |
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93 /*****************************************************************************/ |
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94 CMMFBufferFramesConfigMux::CMMFBufferFramesConfigMux() : |
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95 iRemoteHandle(-1) |
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96 { |
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97 } |
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98 |
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99 /*****************************************************************************/ |
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100 CMMFBufferFramesConfigMux::~CMMFBufferFramesConfigMux() |
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101 { |
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102 } |
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103 |
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104 /*****************************************************************************/ |
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105 // from MMMFBufferFramesConfig |
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106 TInt CMMFBufferFramesConfigMux::MmbfcSetNumberOfFramesPerInputBuffer(TInt aFrameCount, TInt aSamplesPerFrame) |
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107 { |
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108 if (iRemoteHandle > 0) |
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109 { |
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110 TFrameInfo info; |
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111 info.iFrameCount = aFrameCount; |
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112 info.iSamplesPerFrame = aSamplesPerFrame; |
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113 |
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114 TPckgBuf<TFrameInfo> pckgBuf(info); |
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115 // send the frame information in the sync command |
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116 // any return code other than zero is an error |
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117 return iUtility->SendSlaveSyncCommand(iRemoteHandle, EMMFDevSoundCIInputBufferFramesConfig, |
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118 pckgBuf); |
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119 } |
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120 else |
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121 { |
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122 return KErrNotReady; |
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123 } |
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124 } |
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125 |
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126 TInt CMMFBufferFramesConfigMux::MmbfcSetNumberOfFramesPerOutputBuffer(TInt aFrameCount, TInt aSamplesPerFrame) |
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127 { |
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128 if (iRemoteHandle > 0) |
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129 { |
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130 TFrameInfo info; |
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131 info.iFrameCount = aFrameCount; |
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132 info.iSamplesPerFrame = aSamplesPerFrame; |
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133 |
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134 TPckgBuf<TFrameInfo> pckgBuf(info); |
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135 // send the frame information in the sync command |
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136 // any return code other than zero is an error |
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137 return iUtility->SendSlaveSyncCommand(iRemoteHandle, EMMFDevSoundCIOutputBufferFramesConfig, |
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138 pckgBuf); |
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139 } |
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140 else |
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141 { |
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142 return KErrNotReady; |
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143 } |
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144 } |
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145 |
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146 |
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147 |
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148 // DEMUX // |
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149 /*****************************************************************************/ |
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150 TInt CMMFBufferFramesConfigDeMux::OpenInterface(TUid /*aInterfaceId*/) |
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151 { |
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152 return KErrNone; |
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153 } |
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154 |
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155 /*****************************************************************************/ |
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156 void CMMFBufferFramesConfigDeMux::Release() |
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157 { |
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158 TUid key = iDestructorKey; |
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159 |
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160 delete this; |
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161 |
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162 // tell ECom to destroy us |
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163 REComSession::DestroyedImplementation(key); |
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164 } |
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165 |
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166 /*****************************************************************************/ |
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167 void CMMFBufferFramesConfigDeMux::PassDestructorKey(TUid aDestructorKey) |
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168 { |
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169 // store the destructor key |
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170 iDestructorKey = aDestructorKey; |
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171 } |
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172 |
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173 /*****************************************************************************/ |
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174 void CMMFBufferFramesConfigDeMux::SetInterfaceTarget(MMMFDevSoundCustomInterfaceTarget* aTarget) |
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175 { |
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176 iTarget = aTarget; |
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177 } |
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178 |
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179 /*****************************************************************************/ |
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180 void CMMFBufferFramesConfigDeMux::CompleteConstructL(MMMFDevSoundCustomInterfaceDeMuxUtility* aCustomUtility) |
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181 { |
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182 // store a pointer to the utility |
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183 iUtility = aCustomUtility; |
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184 } |
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185 |
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186 /*****************************************************************************/ |
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187 void CMMFBufferFramesConfigDeMux::RefreshL() |
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188 { |
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189 // refetch the buffer frames configuration custom interface if we already have a target |
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190 if (iTarget) |
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191 { |
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192 MMMFBufferFramesConfig* ptr = NULL; |
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193 |
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194 ptr = static_cast <MMMFBufferFramesConfig*> (iTarget->CustomInterface(KUidBufferFramesConfig)); |
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195 |
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196 if (!ptr) |
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197 { |
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198 iInterfaceBufferFramesConfig = NULL; |
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199 User::Leave(KErrNotSupported); |
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200 } |
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201 else |
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202 { |
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203 iInterfaceBufferFramesConfig = ptr; |
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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 /*****************************************************************************/ |
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209 MMMFDevSoundCustomInterfaceDeMuxPlugin* CMMFBufferFramesConfigDeMux::NewL() |
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210 { |
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211 CMMFBufferFramesConfigDeMux* self = new (ELeave) CMMFBufferFramesConfigDeMux; |
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212 return self; |
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213 } |
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214 |
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215 /*****************************************************************************/ |
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216 CMMFBufferFramesConfigDeMux::CMMFBufferFramesConfigDeMux() |
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217 { |
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218 } |
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219 |
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220 /*****************************************************************************/ |
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221 CMMFBufferFramesConfigDeMux::~CMMFBufferFramesConfigDeMux() |
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222 { |
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223 } |
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224 |
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225 /*****************************************************************************/ |
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226 TInt CMMFBufferFramesConfigDeMux::DoOpenSlaveL(TUid /*aInterface*/, const TDesC8& /*aPackageBuf*/) |
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227 { |
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228 // fetch the buffer frames configuration Hw Device custom interface |
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229 MMMFBufferFramesConfig* ptr = NULL; |
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230 |
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231 ptr = static_cast<MMMFBufferFramesConfig*> (iTarget->CustomInterface(KUidBufferFramesConfig)); |
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232 |
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233 if (!ptr) |
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234 { |
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235 iInterfaceBufferFramesConfig = NULL; |
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236 User::Leave(KErrNotSupported); |
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237 } |
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238 else |
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239 { |
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240 iInterfaceBufferFramesConfig = ptr; |
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241 } |
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242 return KErrNone; |
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243 } |
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244 |
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245 /*****************************************************************************/ |
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246 void CMMFBufferFramesConfigDeMux::DoCloseSlaveL(TInt /*aHandle*/) |
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247 { |
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248 // nothing to do |
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249 } |
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250 |
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251 /*****************************************************************************/ |
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252 // original RMessage is supplied so that remote demux plugin can extract necessary details |
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253 // using DeMux utility |
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254 TInt CMMFBufferFramesConfigDeMux::DoSendSlaveSyncCommandL(const RMmfIpcMessage& aMessage) |
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255 { |
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256 TMMFDevSoundCIMessageData data; |
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257 |
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258 TInt retVal = KErrNone; |
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259 |
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260 // decode message |
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261 iUtility->GetSyncMessageDataL(aMessage, data); |
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262 |
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263 switch (data.iCommand) |
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264 { |
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265 case EMMFDevSoundCIInputBufferFramesConfig: |
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266 { |
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267 TPckgBuf<TFrameInfo> info; |
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268 iUtility->ReadFromInputDesL(aMessage, &info); |
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269 |
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270 retVal = DoMmbfcSetNumberOfFramesPerInputBuffer(info().iFrameCount, info().iSamplesPerFrame); |
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271 break; |
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272 } |
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273 case EMMFDevSoundCIOutputBufferFramesConfig: |
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274 { |
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275 TPckgBuf<TFrameInfo> info; |
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276 iUtility->ReadFromInputDesL(aMessage, &info); |
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277 retVal = DoMmbfcSetNumberOfFramesPerOutputBuffer(info().iFrameCount, info().iSamplesPerFrame); |
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278 break; |
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279 } |
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280 default: |
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281 { |
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282 User::Leave(KErrNotSupported); |
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283 } |
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284 } |
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285 return retVal; |
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286 } |
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287 |
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288 /*****************************************************************************/ |
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289 TInt CMMFBufferFramesConfigDeMux::DoSendSlaveSyncCommandResultL(const RMmfIpcMessage& /*aMessage*/) |
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290 { |
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291 return KErrNone; |
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292 } |
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293 |
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294 /*****************************************************************************/ |
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295 void CMMFBufferFramesConfigDeMux::DoSendSlaveAsyncCommandL(const RMmfIpcMessage& /*aMessage*/) |
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296 { |
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297 // not used in this interface |
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298 } |
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299 |
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300 /*****************************************************************************/ |
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301 void CMMFBufferFramesConfigDeMux::DoSendSlaveAsyncCommandResultL(const RMmfIpcMessage& /*aMessage*/) |
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302 { |
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303 // not used in this interface |
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304 } |
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305 |
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306 /*****************************************************************************/ |
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307 // Buffer frames config custom interface implementation |
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308 TInt CMMFBufferFramesConfigDeMux::DoMmbfcSetNumberOfFramesPerInputBuffer(TInt aFrameCount, |
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309 TInt aSamplesPerFrame) |
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310 { |
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311 if (!iInterfaceBufferFramesConfig) |
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312 { |
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313 return KErrNotReady; |
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314 } |
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315 else |
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316 { |
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317 return iInterfaceBufferFramesConfig->MmbfcSetNumberOfFramesPerInputBuffer(aFrameCount, |
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318 aSamplesPerFrame); |
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319 } |
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320 } |
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321 |
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322 TInt CMMFBufferFramesConfigDeMux::DoMmbfcSetNumberOfFramesPerOutputBuffer(TInt aFrameCount, |
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323 TInt aSamplesPerFrame) |
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324 { |
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325 if (!iInterfaceBufferFramesConfig) |
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326 { |
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327 return KErrNotReady; |
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328 } |
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329 else |
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330 { |
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331 return iInterfaceBufferFramesConfig->MmbfcSetNumberOfFramesPerOutputBuffer(aFrameCount, |
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332 aSamplesPerFrame); |
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333 } |
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334 } |
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335 |
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336 /*****************************************************************************/ |
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337 // |
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338 // ImplementationTable |
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339 // |
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340 |
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341 const TImplementationProxy ImplementationTable[] = |
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342 { |
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343 IMPLEMENTATION_PROXY_ENTRY(KMmfUidCustomInterfaceBufferFramesConfigMux, CMMFBufferFramesConfigMux::NewL), |
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344 IMPLEMENTATION_PROXY_ENTRY(KMmfUidCustomInterfaceBufferFramesConfigDeMux, CMMFBufferFramesConfigDeMux::NewL), |
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345 }; |
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346 |
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347 /*****************************************************************************/ |
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348 // |
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349 // ImplementationGroupProxy |
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350 // |
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351 // |
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352 |
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353 EXPORT_C const TImplementationProxy* ImplementationGroupProxy(TInt& aTableCount) |
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354 { |
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355 aTableCount = sizeof(ImplementationTable) / sizeof(TImplementationProxy); |
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356 |
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357 return ImplementationTable; |
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358 } |
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359 |
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360 |