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1 /* |
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2 * Copyright (c) 2006 Nokia Corporation and/or its subsidiary(-ies). |
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3 * All rights reserved. |
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4 * This component and the accompanying materials are made available |
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5 * under the terms of "Eclipse Public License v1.0" |
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6 * which accompanies this distribution, and is available |
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7 * at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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8 * |
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9 * Initial Contributors: |
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10 * Nokia Corporation - initial contribution. |
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11 * |
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12 * Contributors: |
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13 * |
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14 * Description: Message handler for eAAC+ decoder configuration interface. |
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15 * |
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16 */ |
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17 |
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18 |
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19 |
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20 // INCLUDE FILES |
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21 #include "EAacPlusDecoderIntfcMsgs.h" |
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22 #include "EAacPlusDecoderIntfcMsgHdlr.h" |
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23 |
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24 // EXTERNAL DATA STRUCTURES |
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25 |
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26 // EXTERNAL FUNCTION PROTOTYPES |
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27 |
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28 // CONSTANTS |
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29 |
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30 // MACROS |
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31 |
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32 // LOCAL CONSTANTS AND MACROS |
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33 |
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34 // MODULE DATA STRUCTURES |
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35 |
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36 // LOCAL FUNCTION PROTOTYPES |
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37 |
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38 // FORWARD DECLARATIONS |
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39 |
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40 // ============================= LOCAL FUNCTIONS =============================== |
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41 |
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42 // ============================ MEMBER FUNCTIONS =============================== |
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43 |
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44 /** |
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45 * CEAacPlusDecoderIntfcMsgHdlr::CEAacPlusDecoderIntfcMsgHdlr |
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46 * C++ default constructor can NOT contain any code, that might leave. |
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47 */ |
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48 CEAacPlusDecoderIntfcMsgHdlr::CEAacPlusDecoderIntfcMsgHdlr( |
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49 CEAacPlusDecoderIntfc* aAacDecoderConfigCI) : |
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50 CMMFObject(KUidEAacPlusDecoderIntfc) |
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51 { |
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52 iAacDecoderConfigCI = aAacDecoderConfigCI; |
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53 } |
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54 |
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55 /** |
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56 * CEAacPlusDecoderIntfcMsgHdlr::ConstructL |
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57 * Symbian 2nd phase constructor can leave. |
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58 */ |
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59 void CEAacPlusDecoderIntfcMsgHdlr::ConstructL() |
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60 { |
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61 } |
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62 |
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63 /** |
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64 * CEAacPlusDecoderIntfcMsgHdlr::NewL |
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65 * Two-phased constructor. |
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66 */ |
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67 EXPORT_C CEAacPlusDecoderIntfcMsgHdlr* CEAacPlusDecoderIntfcMsgHdlr::NewL( |
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68 TAny* aAacDecoderConfigCI) |
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69 { |
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70 CEAacPlusDecoderIntfc* aacDecoderConfigCI = |
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71 (CEAacPlusDecoderIntfc*)aAacDecoderConfigCI; |
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72 CEAacPlusDecoderIntfcMsgHdlr* self = |
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73 new (ELeave) CEAacPlusDecoderIntfcMsgHdlr(aacDecoderConfigCI); |
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74 CleanupStack::PushL( self ); |
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75 self->ConstructL(); |
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76 CleanupStack::Pop( self ); |
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77 |
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78 return self; |
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79 } |
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80 |
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81 /** |
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82 * Destructor |
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83 */ |
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84 EXPORT_C CEAacPlusDecoderIntfcMsgHdlr::~CEAacPlusDecoderIntfcMsgHdlr() |
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85 { |
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86 delete iAacDecoderConfigCI; |
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87 } |
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88 |
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89 /** |
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90 * CEAacPlusDecoderIntfcMsgHdlr::HandleRequest |
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91 * Handles the messages from the proxy. |
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92 * Calls a subfunction which determines what custom interface to call. |
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93 * A subfunction is used to contain multiple leaving functions for a single |
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94 * trap. |
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95 * (other items were commented in a header). |
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96 */ |
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97 EXPORT_C void CEAacPlusDecoderIntfcMsgHdlr::HandleRequest( |
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98 TMMFMessage& aMessage) |
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99 { |
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100 ASSERT(aMessage.Destination().InterfaceId() == KUidEAacPlusDecoderIntfc); |
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101 |
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102 TRAPD(error, DoHandleRequestL(aMessage)); |
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103 if(error) |
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104 { |
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105 aMessage.Complete(error); |
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106 } |
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107 } |
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108 |
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109 /** |
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110 * CEAacPlusDecoderIntfcMsgHdlr::DoHandleRequestL |
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111 * Determines which custom interface to call. |
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112 * (other items were commented in a header). |
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113 */ |
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114 void CEAacPlusDecoderIntfcMsgHdlr::DoHandleRequestL(TMMFMessage& aMessage) |
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115 { |
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116 switch(aMessage.Function()) |
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117 { |
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118 case EEaacpdimApplyConfig: |
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119 { |
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120 DoApplyConfigL(aMessage); |
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121 break; |
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122 } |
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123 default: |
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124 { |
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125 aMessage.Complete(KErrNotSupported); |
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126 } |
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127 } |
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128 } |
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129 |
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130 /** |
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131 * CEAacPlusDecoderIntfcMsgHdlr::DoApplyConfigL |
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132 * Handles the message from the proxy and calls the custom interface method |
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133 * to commit configuration settings to the decoder. |
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134 * (other items were commented in a header). |
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135 */ |
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136 void CEAacPlusDecoderIntfcMsgHdlr::DoApplyConfigL(TMMFMessage& aMessage) |
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137 { |
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138 TPckgBuf<TEAacPlusDecoderConfig> pckgBuf; |
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139 aMessage.ReadData1FromClientL(pckgBuf); |
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140 |
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141 iAacDecoderConfigCI->SetAudioObjectType(pckgBuf().iAudioObjectType); |
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142 iAacDecoderConfigCI->SetInputSamplingFrequency( |
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143 pckgBuf().iInputSamplingFrequency); |
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144 iAacDecoderConfigCI->SetNumOfChannels(pckgBuf().iNumOfChannels); |
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145 iAacDecoderConfigCI->SetSbr(pckgBuf().iSbrEnabled); |
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146 iAacDecoderConfigCI->SetDownSampledMode(pckgBuf().iDsmEnabled); |
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147 |
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148 TInt status = iAacDecoderConfigCI->ApplyConfig(); |
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149 aMessage.Complete(status); |
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150 } |
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151 |
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152 // End of File |