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1 /* |
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2 * Copyright (c) 2008 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: Maintains the set of supported codecs |
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15 * |
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16 */ |
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17 |
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18 #include <e32base.h> |
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19 |
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20 #include <eikenv.h> |
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21 #include <f32file.h> |
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22 |
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23 |
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24 #include "ircodecmanager.h" |
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25 #include "irdebug.h" |
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26 |
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27 // --------------------------------------------------------------------------- |
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28 // CIRCodecManager::NewL |
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29 // --------------------------------------------------------------------------- |
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30 // |
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31 CIRCodecManager* CIRCodecManager::NewL() |
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32 { |
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33 CIRCodecManager* self = CIRCodecManager::NewLC(); |
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34 CleanupStack::Pop( self ); |
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35 return self; |
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36 } |
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37 |
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38 // --------------------------------------------------------------------------- |
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39 // CIRCodecManager::NewLC |
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40 // --------------------------------------------------------------------------- |
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41 // |
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42 CIRCodecManager* CIRCodecManager::NewLC() |
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43 { |
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44 CIRCodecManager* self = new (ELeave) CIRCodecManager(); |
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45 CleanupStack::PushL( self ); |
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46 self->ConstructL(); |
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47 return self; |
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48 } |
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49 |
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50 // --------------------------------------------------------------------------- |
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51 // CIRCodecManager::CIRCodecManager |
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52 // --------------------------------------------------------------------------- |
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53 // |
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54 CIRCodecManager::CIRCodecManager() |
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55 { |
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56 } |
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57 |
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58 // --------------------------------------------------------------------------- |
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59 // CIRCodecManager::~CIRCodecManager |
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60 // --------------------------------------------------------------------------- |
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61 // |
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62 CIRCodecManager::~CIRCodecManager() |
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63 { |
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64 iSupportedDataTypes.Reset(); |
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65 } |
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66 |
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67 // --------------------------------------------------------------------------- |
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68 // CIRCodecManager::ConstructL |
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69 // --------------------------------------------------------------------------- |
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70 // |
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71 void CIRCodecManager::ConstructL() |
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72 { |
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73 IRLOG_DEBUG( "CIRCodecManager::ConstructL" ); |
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74 LoadSupportedCodecsL(); |
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75 IRLOG_DEBUG( "CIRCodecManager::ConstructL - Exiting." ); |
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76 } |
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77 |
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78 // --------------------------------------------------------------------------- |
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79 // CIRCodecManager::IsSupportedCodec |
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80 // --------------------------------------------------------------------------- |
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81 // |
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82 TBool CIRCodecManager::IsSupportedCodec( TFourCC aCodec ) const |
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83 { |
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84 IRLOG_DEBUG( "CIRCodecManager::::IsSupportedCodec" ); |
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85 TBool supported( EFalse ); |
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86 if ( iSupportedDataTypes.Find( aCodec ) != KErrNotFound ) |
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87 { |
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88 supported = ETrue; |
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89 } |
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90 IRLOG_INFO3( "CIRCodecManager::IsSupportedCodec - Returning %d for codec %d", |
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91 supported, aCodec.FourCC() ); |
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92 return supported; |
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93 } |
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94 |
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95 // --------------------------------------------------------------------------- |
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96 // CIRCodecManager::InitializeComplete |
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97 // --------------------------------------------------------------------------- |
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98 // |
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99 void CIRCodecManager::InitializeComplete(TInt /* aError */) |
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100 { |
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101 } |
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102 |
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103 // --------------------------------------------------------------------------- |
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104 // CIRCodecManager::ToneFinished |
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105 // --------------------------------------------------------------------------- |
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106 // |
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107 void CIRCodecManager::ToneFinished(TInt /* aError */) |
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108 { |
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109 } |
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110 |
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111 // --------------------------------------------------------------------------- |
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112 // CIRCodecManager::BufferToBeFilled |
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113 // --------------------------------------------------------------------------- |
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114 // |
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115 void CIRCodecManager::BufferToBeFilled(CMMFBuffer* /* aBuffer */ ) |
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116 { |
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117 } |
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118 |
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119 // --------------------------------------------------------------------------- |
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120 // CIRCodecManager::PlayError |
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121 // --------------------------------------------------------------------------- |
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122 // |
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123 void CIRCodecManager::PlayError(TInt /* aError */ ) |
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124 { |
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125 } |
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126 |
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127 // --------------------------------------------------------------------------- |
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128 // CIRCodecManager::BufferToBeEmptied |
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129 // --------------------------------------------------------------------------- |
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130 // |
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131 void CIRCodecManager::BufferToBeEmptied(CMMFBuffer* /* aBuffer */ ) |
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132 { |
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133 } |
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134 |
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135 // --------------------------------------------------------------------------- |
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136 // CIRCodecManager::RecordError |
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137 // --------------------------------------------------------------------------- |
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138 // |
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139 void CIRCodecManager::RecordError(TInt /* aError */ ) |
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140 { |
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141 } |
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142 |
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143 // --------------------------------------------------------------------------- |
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144 // CIRCodecManager::ConvertError |
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145 // --------------------------------------------------------------------------- |
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146 // |
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147 void CIRCodecManager::ConvertError(TInt /* aError */ ) |
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148 { |
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149 } |
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150 |
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151 // --------------------------------------------------------------------------- |
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152 // CIRCodecManager::DeviceMessage |
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153 // --------------------------------------------------------------------------- |
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154 // |
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155 void CIRCodecManager::DeviceMessage(TUid /* aMessageType */, const TDesC8& /* aMsg */ ) |
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156 { |
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157 } |
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158 |
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159 // --------------------------------------------------------------------------- |
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160 // CIRCodecManager::LoadSupportedCodecsL |
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161 // --------------------------------------------------------------------------- |
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162 // |
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163 void CIRCodecManager::LoadSupportedCodecsL() |
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164 { |
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165 IRLOG_DEBUG( "CIRCodecManager::LoadSupportedCodecsL" ); |
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166 CMMFDevSound* devSound = CMMFDevSound::NewL(); |
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167 CleanupStack::PushL( devSound ); |
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168 TMMFPrioritySettings prioritySettings; |
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169 |
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170 prioritySettings.iPriority = 0; |
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171 prioritySettings.iPref = EMdaPriorityPreferenceNone; |
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172 prioritySettings.iState = EMMFStatePlaying; |
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173 |
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174 devSound->GetSupportedInputDataTypesL( iSupportedDataTypes, prioritySettings ); |
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175 CleanupStack::PopAndDestroy( devSound ); |
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176 |
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177 // CMMFDevSound returns also other codecs than those supported by IR. |
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178 TInt tempCount = iSupportedDataTypes.Count(); |
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179 IRRDEBUG2("CIRCodecManager::LoadSupportedCodecsL() - codecs count = %d",tempCount); |
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180 for ( TInt i = iSupportedDataTypes.Count() - 1; i >= 0; i-- ) |
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181 { |
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182 if ( !VerifySupportL( iSupportedDataTypes[i] ) ) |
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183 { |
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184 IRLOG_DEBUG2( "CIRCodecManager::LoadSupportedCodecsL - %x not supported.", |
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185 iSupportedDataTypes[i].FourCC() ); |
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186 iSupportedDataTypes.Remove( i ); |
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187 } |
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188 else |
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189 { |
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190 IRLOG_INFO2( "CIRCodecManager::LoadSupportedCodecsL - %x supported.", |
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191 iSupportedDataTypes[i].FourCC() ); |
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192 } |
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193 } |
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194 |
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195 #ifdef __WINS__ |
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196 // In emulator there is typically only 16 bit PCM supported. |
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197 if ( iSupportedDataTypes.Count() == 0 ) |
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198 { |
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199 TFourCC codec( KMMFFourCCCodeMP3 ); |
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200 iSupportedDataTypes.Append( codec ); |
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201 } |
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202 #endif |
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203 |
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204 |
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205 IRLOG_DEBUG( "CIRCodecManager::LoadSupportedCodecsL - Exiting." ); |
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206 } |
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207 |
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208 // --------------------------------------------------------------------------- |
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209 // CIRCodecManager::VerifySupportL |
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210 // --------------------------------------------------------------------------- |
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211 // |
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212 TBool CIRCodecManager::VerifySupportL( TFourCC aCodec ) |
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213 { |
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214 IRLOG_DEBUG2( "CIRCodecManager::VefifySupportL - aCodec=%x", aCodec.FourCC() ); |
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215 TInt supported( EFalse ); |
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216 switch( aCodec.FourCC() ) |
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217 { |
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218 #ifndef __SERIES60_30__ |
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219 case KMMFFourCCCodeWMA: // fall through |
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220 #endif |
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221 case KMMFFourCCCodeAAC: // fall through |
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222 case KMMFFourCCCodeMP3: |
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223 supported = ETrue; |
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224 break; |
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225 default: |
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226 break; |
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227 } |
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228 if ( supported ) |
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229 { |
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230 // Test initialisation to see that the codec really is supported. |
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231 CMMFDevSound* devSound = CMMFDevSound::NewL(); |
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232 CleanupStack::PushL( devSound ); |
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233 |
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234 TMMFState mmfState( EMMFStatePlaying ); |
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235 TRAPD( err, devSound->InitializeL( *this, aCodec, mmfState ) ); |
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236 if ( err != KErrNone ) |
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237 { |
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238 supported = EFalse; |
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239 } |
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240 CleanupStack::PopAndDestroy( devSound ); |
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241 } |
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242 IRLOG_DEBUG( "CIRCodecManager::VefifySupportL" ); |
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243 return supported; |
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244 } |
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245 |
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246 |