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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: This file contains the base class from which specific audio |
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15 * play controllers are derived. This class encapsulates common |
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16 * behavior for all audio play controllers. |
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17 * |
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18 */ |
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19 |
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20 |
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21 // INCLUDE FILES |
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22 #include "AdvancedAudioPlayController.h" |
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23 #include "AdvancedAudioResource.h" |
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24 #include "DebugMacros.h" |
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25 |
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26 #include <AudioOutput.h> |
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27 #include <MetaDataFieldContainer.h> |
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28 #include <MetaDataUtility.h> |
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29 #include <mmfformatimplementationuids.hrh> |
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30 #include <mmfmeta.h> |
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31 #include <MultimediaDataSourceEvents.h> |
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32 #include <MultimediaDataSourceFactory.h> |
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33 #include <oma2dcf.h> |
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34 #include <DRMConfigIntfc.h> |
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35 #include <AudioOutputControlUtility.h> |
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36 |
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37 // CONSTANTS |
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38 |
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39 // ============================= LOCAL FUNCTIONS =============================== |
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40 |
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41 // ============================ MEMBER FUNCTIONS =============================== |
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42 |
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43 // ----------------------------------------------------------------------------- |
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44 // CAdvancedAudioPlayController::MacSetSinkSampleRateL |
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45 // ----------------------------------------------------------------------------- |
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46 // |
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47 EXPORT_C void CAdvancedAudioPlayController::MacSetSinkSampleRateL( |
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48 TUint aSampleRate) |
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49 { |
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50 if (!iDataSink || !iDataSource) |
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51 { |
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52 User::Leave(KErrNotReady); |
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53 } |
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54 |
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55 if (iDataSink->DataSinkType() != KUidMmfFileSink) |
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56 { |
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57 User::Leave(KErrNotSupported); |
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58 } |
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59 |
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60 switch (aSampleRate) |
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61 { |
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62 /* |
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63 case KAAPSampleRate8000Hz: |
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64 case KAAPSampleRate11025Hz: |
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65 case KAAPSampleRate12000Hz: |
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66 case KAAPSampleRate16000Hz: |
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67 case KAAPSampleRate22050Hz: |
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68 case KAAPSampleRate24000Hz: |
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69 case KAAPSampleRate32000Hz: |
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70 case KAAPSampleRate44100Hz: |
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71 case KAAPSampleRate48000Hz: |
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72 case KAAPSampleRate64000Hz: |
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73 case KAAPSampleRate88200Hz: |
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74 case KAAPSampleRate96000Hz: |
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75 if ((TInt)aSampleRate > iSampleRate) |
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76 { |
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77 // Only allow downsampling |
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78 User::Leave(KErrNotSupported); |
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79 } |
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80 else |
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81 { |
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82 iSinkSampleRate = aSampleRate; |
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83 } |
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84 break; |
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85 //For future use... |
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86 */ |
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87 case KAAPSampleRate8000Hz: |
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88 if ((TUint)iSampleRate == KAAPSampleRate8000Hz || |
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89 (TUint)iSampleRate == KAAPSampleRate16000Hz) |
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90 { |
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91 iSinkSampleRate = aSampleRate; |
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92 } |
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93 else |
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94 { |
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95 // Very limited due to Symbian conversion limitations... |
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96 User::Leave(KErrNotSupported); |
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97 } |
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98 break; |
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99 case KAAPSampleRate16000Hz: |
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100 if ((TUint)iSampleRate == KAAPSampleRate16000Hz) |
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101 { |
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102 iSinkSampleRate = aSampleRate; |
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103 } |
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104 else |
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105 { |
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106 // Very limited due to Symbian conversion limitations... |
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107 User::Leave(KErrNotSupported); |
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108 } |
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109 break; |
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110 default: |
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111 User::Leave(KErrNotSupported); |
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112 } |
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113 } |
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114 |
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115 // ----------------------------------------------------------------------------- |
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116 // CAdvancedAudioPlayController::MacGetSinkBitRateL |
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117 // ----------------------------------------------------------------------------- |
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118 // |
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119 EXPORT_C void CAdvancedAudioPlayController::MacSetSinkBitRateL( |
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120 TUint aRate) |
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121 { |
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122 if (!iDataSink || !iDataSource) |
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123 { |
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124 User::Leave(KErrNotReady); |
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125 } |
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126 |
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127 if (iDataSink->DataSinkType() != KUidMmfFileSink || |
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128 (TInt)aRate != iBitRate) |
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129 { |
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130 User::Leave(KErrNotSupported); |
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131 } |
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132 } |
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133 |
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134 // ----------------------------------------------------------------------------- |
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135 // CAdvancedAudioPlayController::MacSetSinkNumChannelsL |
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136 // ----------------------------------------------------------------------------- |
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137 // |
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138 EXPORT_C void CAdvancedAudioPlayController::MacSetSinkNumChannelsL( |
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139 TUint aNumChannels) |
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140 { |
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141 if (!iDataSink) |
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142 { |
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143 User::Leave(KErrNotReady); |
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144 } |
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145 |
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146 if (iDataSink->DataSinkType() != KUidMmfFileSink) |
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147 { |
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148 User::Leave(KErrNotSupported); |
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149 } |
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150 |
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151 if (aNumChannels <= 2) |
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152 { |
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153 iSinkNumChannels = aNumChannels; |
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154 } |
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155 else |
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156 { |
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157 User::Leave(KErrNotSupported); |
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158 } |
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159 } |
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160 |
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161 // ----------------------------------------------------------------------------- |
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162 // CAdvancedAudioPlayController::MacSetSinkFormatL |
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163 // ----------------------------------------------------------------------------- |
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164 // |
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165 EXPORT_C void CAdvancedAudioPlayController::MacSetSinkFormatL( |
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166 TUid aFormatUid) |
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167 { |
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168 DP1(_L("CAdvancedAudioPlayController::MacSetSinkFormatL[%x]"), aFormatUid); |
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169 |
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170 if (aFormatUid != TUid::Uid(KMmfUidFormatRAWWrite)) |
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171 { |
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172 User::Leave(KErrNotSupported); |
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173 } |
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174 } |
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175 |
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176 // ----------------------------------------------------------------------------- |
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177 // CAdvancedAudioPlayController::MacSetSinkDataTypeL |
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178 // ----------------------------------------------------------------------------- |
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179 // |
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180 EXPORT_C void CAdvancedAudioPlayController::MacSetSinkDataTypeL( |
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181 TFourCC aDataType) |
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182 { |
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183 if (!iDataSink) |
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184 { |
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185 User::Leave(KErrNotReady); |
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186 } |
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187 |
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188 if (iDataSink->DataSinkType() != KUidMmfFileSink || |
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189 aDataType != KMMFFourCCCodePCM16) |
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190 { |
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191 User::Leave(KErrNotSupported); |
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192 } |
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193 } |
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194 |
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195 // ----------------------------------------------------------------------------- |
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196 // CAdvancedAudioPlayController::MacGetSourceSampleRateL |
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197 // Returns the sampling rate obtrained from the source. |
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198 // ----------------------------------------------------------------------------- |
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199 // |
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200 EXPORT_C void CAdvancedAudioPlayController::MacGetSourceSampleRateL( |
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201 TUint& aRate) |
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202 { |
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203 if (!iDataSource) |
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204 { |
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205 User::Leave(KErrNotReady); |
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206 } |
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207 aRate = iSampleRate; |
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208 } |
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209 |
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210 // ----------------------------------------------------------------------------- |
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211 // CAdvancedAudioPlayController::MacGetSourceBitRateL |
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212 // Returns the bit rate obtained from the source. |
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213 // ----------------------------------------------------------------------------- |
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214 // |
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215 EXPORT_C void CAdvancedAudioPlayController::MacGetSourceBitRateL( |
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216 TUint& aRate) |
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217 { |
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218 if (!iDataSource) |
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219 { |
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220 User::Leave(KErrNotReady); |
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221 } |
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222 |
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223 // bit rate might be changed implicitly within a Controller's Utility |
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224 // UpdateBitRate(); |
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225 aRate = iBitRate; |
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226 DP1(_L("CAdvancedAudioPlayController::MacGetSourceBitRateL[%d]"), iBitRate); |
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227 } |
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228 |
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229 // ----------------------------------------------------------------------------- |
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230 // CAdvancedAudioPlayController::MacGetSourceNumChannelsL |
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231 // Returns the number of channels from the source. |
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232 // ----------------------------------------------------------------------------- |
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233 // |
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234 EXPORT_C void CAdvancedAudioPlayController::MacGetSourceNumChannelsL( |
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235 TUint& aNumChannels) |
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236 { |
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237 if (!iDataSource) |
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238 { |
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239 User::Leave(KErrNotReady); |
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240 } |
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241 aNumChannels = iChannels; |
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242 } |
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243 |
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244 // ----------------------------------------------------------------------------- |
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245 // CAdvancedAudioPlayController::MacGetSourceFormatL |
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246 // ----------------------------------------------------------------------------- |
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247 // |
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248 EXPORT_C void CAdvancedAudioPlayController::MacGetSourceFormatL( |
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249 TUid& aFormat) |
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250 { |
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251 aFormat = iSourceFormat; |
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252 } |
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253 |
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254 // ----------------------------------------------------------------------------- |
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255 // CAdvancedAudioPlayController::MacGetSourceDataTypeL |
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256 // Returns the data type from the source. |
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257 // ----------------------------------------------------------------------------- |
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258 // |
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259 EXPORT_C void CAdvancedAudioPlayController::MacGetSourceDataTypeL( |
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260 TFourCC& aDataType) |
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261 { |
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262 if (!iDataSource) |
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263 { |
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264 User::Leave(KErrNotReady); |
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265 } |
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266 aDataType = iDataType; |
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267 } |
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268 |
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269 // ----------------------------------------------------------------------------- |
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270 // CAdvancedAudioPlayController::MacGetSinkSampleRateL |
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271 // Returns the sample rates configured in the audio output. |
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272 // ----------------------------------------------------------------------------- |
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273 // |
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274 EXPORT_C void CAdvancedAudioPlayController::MacGetSinkSampleRateL( |
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275 TUint& aRate) |
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276 { |
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277 if (!iDataSink) |
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278 { |
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279 User::Leave(KErrNotReady); |
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280 } |
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281 |
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282 RArray<TUint> rates; |
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283 CleanupClosePushL(rates); |
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284 iAudioOutput->ConfigRatesL(rates); |
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285 |
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286 ASSERT(rates.Count() == 1); |
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287 aRate = rates[0]; |
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288 CleanupStack::PopAndDestroy(&rates); // rates |
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289 } |
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290 |
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291 // ----------------------------------------------------------------------------- |
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292 // CAdvancedAudioPlayController::MacGetSinkBitRateL |
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293 // Default implementation. |
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294 // ----------------------------------------------------------------------------- |
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295 // |
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296 EXPORT_C void CAdvancedAudioPlayController::MacGetSinkBitRateL( |
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297 TUint& aRate) |
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298 { |
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299 if (!iDataSink || !iDataSource) |
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300 { |
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301 User::Leave(KErrNotReady); |
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302 } |
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303 |
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304 if (iDataSink->DataSinkType() != KUidMmfFileSink) |
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305 { |
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306 User::Leave(KErrNotSupported); |
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307 } |
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308 |
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309 aRate = iBitRate; |
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310 } |
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311 |
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312 // ----------------------------------------------------------------------------- |
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313 // CAdvancedAudioPlayController::MacGetSinkNumChannelsL |
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314 // Returns the number of channels configured in the audio output. |
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315 // ----------------------------------------------------------------------------- |
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316 // |
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317 EXPORT_C void CAdvancedAudioPlayController::MacGetSinkNumChannelsL( |
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318 TUint& aNumChannels) |
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319 { |
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320 if (!iDataSink) |
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321 { |
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322 User::Leave(KErrNotReady); |
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323 } |
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324 |
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325 RArray<TUint> channels; |
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326 CleanupClosePushL(channels); |
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327 iAudioOutput->ConfigChannelsL(channels); |
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328 |
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329 ASSERT(channels.Count() == 1); |
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330 aNumChannels = channels[0]; |
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331 CleanupStack::PopAndDestroy(&channels); // channels |
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332 } |
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333 |
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334 // ----------------------------------------------------------------------------- |
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335 // CAdvancedAudioPlayController::MacGetSinkFormatL |
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336 // ----------------------------------------------------------------------------- |
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337 // |
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338 EXPORT_C void CAdvancedAudioPlayController::MacGetSinkFormatL( |
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339 TUid& aFormat) |
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340 { |
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341 aFormat = TUid::Uid(KMmfUidFormatRAWWrite); |
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342 } |
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343 |
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344 // ----------------------------------------------------------------------------- |
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345 // CAdvancedAudioPlayController::MacGetSinkDataTypeL |
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346 // Returns the data types configured in the audio output. |
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347 // ----------------------------------------------------------------------------- |
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348 // |
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349 EXPORT_C void CAdvancedAudioPlayController::MacGetSinkDataTypeL( |
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350 TFourCC& aDataType) |
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351 { |
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352 if (!iDataSink) |
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353 { |
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354 User::Leave(KErrNotReady); |
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355 } |
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356 |
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357 RArray<TFourCC> dataTypes; |
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358 CleanupClosePushL(dataTypes); |
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359 iAudioOutput->ConfigDataTypesL(dataTypes); |
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360 |
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361 ASSERT(dataTypes.Count() == 1); |
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362 aDataType = dataTypes[0]; |
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363 CleanupStack::PopAndDestroy(&dataTypes); // dataTypes |
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364 } |
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365 |
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366 // ----------------------------------------------------------------------------- |
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367 // CAdvancedAudioPlayController::MacGetSupportedSourceSampleRatesL |
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368 // Returns the supported sample rates. |
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369 // ----------------------------------------------------------------------------- |
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370 // |
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371 EXPORT_C void CAdvancedAudioPlayController::MacGetSupportedSourceSampleRatesL( |
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372 RArray<TUint>& aSupportedRates) |
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373 { |
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374 if (!iDataSource) |
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375 { |
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376 User::Leave(KErrNotReady); |
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377 } |
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378 |
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379 aSupportedRates.Reset(); |
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380 User::LeaveIfError(aSupportedRates.Append(iSampleRate)); |
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381 } |
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382 |
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383 // ----------------------------------------------------------------------------- |
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384 // CAdvancedAudioPlayController::MacGetSupportedSourceBitRatesL |
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385 // Returns the supported bit rate by the source. |
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386 // ----------------------------------------------------------------------------- |
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387 // |
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388 EXPORT_C void CAdvancedAudioPlayController::MacGetSupportedSourceBitRatesL( |
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389 RArray<TUint>& aSupportedRates) |
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390 { |
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391 if (!iDataSource) |
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392 { |
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393 User::Leave(KErrNotReady); |
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394 } |
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395 |
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396 aSupportedRates.Reset(); |
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397 User::LeaveIfError(aSupportedRates.Append(iBitRate)); |
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398 } |
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399 |
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400 // ----------------------------------------------------------------------------- |
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401 // CAdvancedAudioPlayController::MacGetSupportedSourceNumChannelsL |
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402 // Returns the supported number of channels by the source. |
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403 // ----------------------------------------------------------------------------- |
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404 // |
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405 EXPORT_C void CAdvancedAudioPlayController::MacGetSupportedSourceNumChannelsL( |
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406 RArray<TUint>& aSupportedChannels) |
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407 { |
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408 if (!iDataSource) |
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409 { |
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410 User::Leave(KErrNotReady); |
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411 } |
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412 |
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413 aSupportedChannels.Reset(); |
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414 User::LeaveIfError(aSupportedChannels.Append(iChannels)); |
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415 } |
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416 |
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417 // ----------------------------------------------------------------------------- |
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418 // CAdvancedAudioPlayController::MacGetSupportedSourceDataTypesL |
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419 // Returns the supported data types by the source. |
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420 // ----------------------------------------------------------------------------- |
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421 // |
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422 EXPORT_C void CAdvancedAudioPlayController::MacGetSupportedSourceDataTypesL( |
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423 RArray<TFourCC>& aSupportedDataTypes) |
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424 { |
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425 if (!iDataSource) |
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426 { |
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427 User::Leave(KErrNotReady); |
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428 } |
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429 |
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430 aSupportedDataTypes.Reset(); |
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431 User::LeaveIfError(aSupportedDataTypes.Append(iDataType)); |
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432 } |
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433 |
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434 // ----------------------------------------------------------------------------- |
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435 // CAdvancedAudioPlayController::MacGetSupportedSinkSampleRatesL |
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436 // Returns the supported sample rates by audio output. |
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437 // ----------------------------------------------------------------------------- |
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438 // |
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439 EXPORT_C void CAdvancedAudioPlayController::MacGetSupportedSinkSampleRatesL( |
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440 RArray<TUint>& aSupportedRates) |
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441 { |
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442 if (!iDataSource) |
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443 { |
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444 User::Leave(KErrNotReady); |
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445 } |
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446 |
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447 aSupportedRates.Reset(); |
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448 iAudioOutput->CapabilitiesRatesL(aSupportedRates); |
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449 } |
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450 |
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451 // ----------------------------------------------------------------------------- |
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452 // CAdvancedAudioPlayController::MacGetSupportedSinkBitRatesL |
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453 // Default implementation. |
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454 // ----------------------------------------------------------------------------- |
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455 // |
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456 EXPORT_C void CAdvancedAudioPlayController::MacGetSupportedSinkBitRatesL( |
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457 RArray<TUint>& aSupportedRates) |
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458 { |
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459 if (!iDataSink || !iDataSource) |
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460 { |
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461 User::Leave(KErrNotReady); |
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462 } |
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463 |
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464 if (iDataSink->DataSinkType() != KUidMmfFileSink) |
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465 { |
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466 User::Leave(KErrNotSupported); |
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467 } |
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468 |
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469 aSupportedRates.Reset(); |
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470 aSupportedRates.Append(iBitRate); |
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471 } |
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472 |
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473 // ----------------------------------------------------------------------------- |
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474 // CAdvancedAudioPlayController::MacGetSupportedSinkNumChannelsL |
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475 // Returns the supported number of channels by audio output. |
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476 // ----------------------------------------------------------------------------- |
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477 // |
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478 EXPORT_C void CAdvancedAudioPlayController::MacGetSupportedSinkNumChannelsL( |
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479 RArray<TUint>& aSupportedChannels) |
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480 { |
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481 if (!iDataSink) |
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482 { |
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483 User::Leave(KErrNotReady); |
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484 } |
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485 |
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486 aSupportedChannels.Reset(); |
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487 iAudioOutput->CapabilitiesChannelsL(aSupportedChannels); |
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488 } |
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489 |
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490 // ----------------------------------------------------------------------------- |
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491 // CAdvancedAudioPlayController::MacGetSupportedSinkDataTypesL |
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492 // Returns the supported data types by audio output. |
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493 // ----------------------------------------------------------------------------- |
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494 // |
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495 EXPORT_C void CAdvancedAudioPlayController::MacGetSupportedSinkDataTypesL( |
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496 RArray<TFourCC>& aSupportedDataTypes) |
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497 { |
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498 if (!iDataSink) |
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499 { |
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500 User::Leave(KErrNotReady); |
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501 } |
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502 |
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503 aSupportedDataTypes.Reset(); |
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504 iAudioOutput->CapabilitiesDataTypesL(aSupportedDataTypes); |
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505 } |
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506 |
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507 // ----------------------------------------------------------------------------- |
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508 // CAdvancedAudioPlayController::MapcSetPlaybackWindowL |
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509 // Default implementation. |
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510 // ----------------------------------------------------------------------------- |
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511 // |
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512 EXPORT_C void CAdvancedAudioPlayController::MapcSetPlaybackWindowL( |
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513 const TTimeIntervalMicroSeconds& aStart, |
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514 const TTimeIntervalMicroSeconds& aEnd) |
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515 { |
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516 DP0(_L("CAdvancedAudioPlayController::MapcSetPlaybackWindowL")); |
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517 SetPlaybackWindowBoundariesL(aStart, aEnd); |
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518 } |
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519 |
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520 // ----------------------------------------------------------------------------- |
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521 // CAdvancedAudioPlayController::MapcDeletePlaybackWindowL |
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522 // Default implementation. |
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523 // ----------------------------------------------------------------------------- |
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524 // |
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525 EXPORT_C void CAdvancedAudioPlayController::MapcDeletePlaybackWindowL() |
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526 { |
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527 DP0(_L("CAdvancedAudioPlayController::MapcDeletePlaybackWindowL")); |
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528 // iPlayWindowStartPosition = TTimeIntervalMicroSeconds(0); |
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529 // iPlayWindowEndPosition = TTimeIntervalMicroSeconds(0); |
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530 // ClearPlayWindow() can be called in either EPlaying or EPaused or EStopped state. |
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531 // If ClearPlayWindow() is called before opening an audio file, then it doesn't have any effect. |
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532 // This will call the Unregister event on the play window end position and sets the start and end position accordingly |
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533 SetPlaybackWindowBoundariesL(0, 0); |
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534 } |
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535 |
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536 // ----------------------------------------------------------------------------- |
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537 // CAdvancedAudioPlayController::MapcGetLoadingProgressL |
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538 // Default implementation. |
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539 // ----------------------------------------------------------------------------- |
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540 // |
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541 EXPORT_C void CAdvancedAudioPlayController::MapcGetLoadingProgressL( |
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542 TInt& /*aPercentageComplete*/) |
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543 { |
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544 User::Leave(KErrNotSupported); |
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545 } |
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546 |
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547 // ----------------------------------------------------------------------------- |
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548 // CAdvancedAudioPlayController::MapdSetVolumeL |
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549 // Sets the volume in audion output. |
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550 // ----------------------------------------------------------------------------- |
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551 // |
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552 EXPORT_C void CAdvancedAudioPlayController::MapdSetVolumeL( |
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553 TInt aVolume) |
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554 { |
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555 DP1(_L("CAdvancedAudioPlayController::MapdSetVolumeL[%d]"), aVolume); |
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556 |
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557 if (!iDataSink) |
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558 { |
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559 User::Leave(KErrNotReady); |
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560 } |
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561 |
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562 if (0 <= aVolume && aVolume <= iAudioOutput->MaxVolumeL()) |
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563 { |
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564 iAudioOutput->SetVolumeL(aVolume); |
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565 } |
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566 } |
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567 |
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568 // ----------------------------------------------------------------------------- |
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569 // CAdvancedAudioPlayController::MapdGetMaxVolumeL |
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570 // Returns the max volume supported by the audio output. |
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571 // ----------------------------------------------------------------------------- |
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572 // |
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573 EXPORT_C void CAdvancedAudioPlayController::MapdGetMaxVolumeL( |
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574 TInt& aMaxVolume) |
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575 { |
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576 if (!iDataSink) |
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577 { |
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578 User::Leave(KErrNotReady); |
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579 } |
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580 |
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581 aMaxVolume = iAudioOutput->MaxVolumeL(); |
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582 } |
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583 |
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584 // ----------------------------------------------------------------------------- |
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585 // CAdvancedAudioPlayController::MapdGetVolumeL |
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586 // Returns the current volume set in audio output. |
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587 // ----------------------------------------------------------------------------- |
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588 // |
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589 EXPORT_C void CAdvancedAudioPlayController::MapdGetVolumeL( |
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590 TInt& aVolume) |
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591 { |
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592 if (!iDataSink) |
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593 { |
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594 User::Leave(KErrNotReady); |
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595 } |
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596 |
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597 aVolume = iAudioOutput->VolumeL(); |
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598 } |
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599 |
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600 // ----------------------------------------------------------------------------- |
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601 // CAdvancedAudioPlayController::MapdSetVolumeRampL |
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602 // Sets the volume ramp duration in audio output. |
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603 // ----------------------------------------------------------------------------- |
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604 // |
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605 EXPORT_C void CAdvancedAudioPlayController::MapdSetVolumeRampL( |
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606 const TTimeIntervalMicroSeconds& aRampDuration) |
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607 { |
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608 if (!iDataSink) |
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609 { |
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610 User::Leave(KErrNotReady); |
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611 } |
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612 |
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613 iAudioOutput->SetVolumeRampL(aRampDuration); |
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614 } |
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615 |
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616 // ----------------------------------------------------------------------------- |
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617 // CAdvancedAudioPlayController::MapdSetBalanceL |
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618 // Sets the balance. |
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619 // ----------------------------------------------------------------------------- |
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620 // |
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621 EXPORT_C void CAdvancedAudioPlayController::MapdSetBalanceL( |
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622 TInt aBalance) |
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623 { |
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624 if(!iDataSink) |
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625 { |
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626 User::Leave(KErrNotReady); |
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627 } |
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628 |
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629 if(aBalance < KMMFBalanceMaxLeft || aBalance > KMMFBalanceMaxRight) |
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630 { |
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631 User::Leave(KErrArgument); |
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632 } |
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633 |
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634 TInt left = 0; |
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635 TInt right = 0; |
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636 TInt rightBalance = 0; |
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637 TInt leftBalance = 0; |
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638 |
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639 CalculateLeftRightBalanceL(left, right, aBalance); |
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640 iAudioOutput->SetPlayBalanceL(left, right); |
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641 iAudioOutput->GetPlayBalanceL(leftBalance, rightBalance); |
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642 |
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643 TBool postCondition = ((rightBalance == right) && (leftBalance == left)); |
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644 |
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645 if (!postCondition) |
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646 User::Leave(KErrNotSupported); |
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647 } |
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648 |
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649 // ----------------------------------------------------------------------------- |
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650 // CAdvancedAudioPlayController::MapdGetBalanceL |
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651 // Returns the currently set balance value. |
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652 // ----------------------------------------------------------------------------- |
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653 // |
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654 EXPORT_C void CAdvancedAudioPlayController::MapdGetBalanceL( |
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655 TInt& aBalance) |
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656 { |
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657 if (!iDataSink) |
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658 { |
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659 User::Leave(KErrNotReady); |
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660 } |
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661 |
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662 TInt left = 0; |
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663 TInt right = 0; |
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664 |
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665 iAudioOutput->GetPlayBalanceL(left, right); |
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666 CalculateBalanceL(aBalance, left, right); |
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667 } |
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668 |
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669 // ----------------------------------------------------------------------------- |
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670 // CAdvancedAudioPlayController::GetBitRate |
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671 // ----------------------------------------------------------------------------- |
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672 // |
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673 EXPORT_C TInt CAdvancedAudioPlayController::GetBitRate(TUint& aBitRate) |
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674 { |
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675 DP0(_L("CAdvancedAudioPlayController::GetBitRate")); |
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676 UpdateBitRate(); |
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677 aBitRate = iBitRate; |
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678 return KErrNone; |
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679 } |
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680 |
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681 // ----------------------------------------------------------------------------- |
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682 // CAdvancedAudioPlayController::MscEnableEvents |
|
683 // ----------------------------------------------------------------------------- |
|
684 // |
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685 EXPORT_C TInt CAdvancedAudioPlayController::MscEnableEvents(TBool aEnable) |
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686 { |
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687 iEventsEnabled = aEnable; |
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688 |
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689 // bit rate might be changed implicitly within a Controller's Utility, that would have effect on the duration event |
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690 if (iAudioUtility) |
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691 { |
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692 TInt err = KErrNone; |
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693 |
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694 if (iEventsEnabled) |
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695 { |
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696 // callback on every 1000 millisecond (1 second) if bitrate changes |
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697 TRAP(err, iAudioUtility->EnableBitRateChangedEventL(1000)); |
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698 } |
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699 else |
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700 { |
|
701 TRAP(err, iAudioUtility->EnableBitRateChangedEventL(-1)); |
|
702 } |
|
703 |
|
704 DP1(_L("CAdvancedAudioPlayController::MscEnableEvents, EnableBitRateChangedEventL err[%d]"), err); |
|
705 } |
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706 return KErrNone; |
|
707 } |
|
708 |
|
709 // ----------------------------------------------------------------------------- |
|
710 // CAdvancedAudioPlayController::MscGetSeekingSupported |
|
711 // ----------------------------------------------------------------------------- |
|
712 // |
|
713 EXPORT_C TInt CAdvancedAudioPlayController::MscGetSeekingSupported(TBool& /*aSupported*/) |
|
714 { |
|
715 return KErrNotSupported; |
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716 } |
|
717 |
|
718 // ----------------------------------------------------------------------------- |
|
719 // CAdvancedAudioPlayController::MscGetRandomSeekingSupported |
|
720 // ----------------------------------------------------------------------------- |
|
721 // |
|
722 EXPORT_C TInt CAdvancedAudioPlayController::MscGetRandomSeekingSupported(TBool& /*aSupported*/) |
|
723 { |
|
724 return KErrNotSupported; |
|
725 } |
|
726 |
|
727 |
|
728 // ----------------------------------------------------------------------------- |
|
729 // CAdvancedAudioPlayController::CalculateLeftRightBalanceL |
|
730 // Calculates percentage of the balance going into left and right channels. |
|
731 // ----------------------------------------------------------------------------- |
|
732 // |
|
733 void CAdvancedAudioPlayController::CalculateLeftRightBalanceL( |
|
734 TInt& aLeft, |
|
735 TInt& aRight, |
|
736 TInt aBalance) |
|
737 { |
|
738 if ((aBalance < KMMFBalanceMaxLeft) || (aBalance > KMMFBalanceMaxRight)) |
|
739 User::Leave(KErrArgument); |
|
740 |
|
741 aLeft = (100 * (aBalance-KMMFBalanceMaxRight)) / (KMMFBalanceMaxLeft-KMMFBalanceMaxRight); |
|
742 aRight = 100 - aLeft; |
|
743 |
|
744 if ((aLeft > 100) || (aLeft < 0) || (aRight > 100) || (aRight < 0)) |
|
745 User::Leave(KErrArgument); |
|
746 } |
|
747 |
|
748 // ----------------------------------------------------------------------------- |
|
749 // CAdvancedAudioPlayController::CalculateBalanceL |
|
750 // Calculates the balance based on the current left and right values. |
|
751 // ----------------------------------------------------------------------------- |
|
752 // |
|
753 void CAdvancedAudioPlayController::CalculateBalanceL( |
|
754 TInt& aBalance, |
|
755 TInt aLeft, |
|
756 TInt aRight) |
|
757 { |
|
758 if ((aLeft == 0) && (aRight == 0)) |
|
759 { |
|
760 aBalance = 0; |
|
761 } |
|
762 else |
|
763 { |
|
764 if ((aLeft + aRight) != 100) |
|
765 User::Leave(KErrArgument); |
|
766 |
|
767 if ((aLeft > 100) || (aLeft < 0) || (aRight > 100) || (aRight < 0)) |
|
768 User::Leave(KErrArgument); |
|
769 |
|
770 aBalance = (aLeft * (KMMFBalanceMaxLeft-KMMFBalanceMaxRight))/100 + KMMFBalanceMaxRight; |
|
771 |
|
772 if ((aBalance < KMMFBalanceMaxLeft) || (aBalance > KMMFBalanceMaxRight)) |
|
773 User::Leave(KErrArgument); |
|
774 } |
|
775 } |
|
776 |
|
777 #ifdef SYMBIAN_CAF_V2 |
|
778 // ----------------------------------------------------------------------------- |
|
779 // CAdvancedAudioPlayController::MdcEvaluateIntent |
|
780 // Returns the result of EvaluateIntent() when DataSourceType is KUidMmfFileSource. |
|
781 // ----------------------------------------------------------------------------- |
|
782 // |
|
783 EXPORT_C TInt CAdvancedAudioPlayController::MdcEvaluateIntent(ContentAccess::TIntent aIntent) |
|
784 { |
|
785 if (iDataSourceAdapter == NULL) |
|
786 { |
|
787 return KErrNotReady; |
|
788 } |
|
789 TInt status = iDataSourceAdapter->EvaluateIntent(aIntent); |
|
790 return status; |
|
791 } |
|
792 |
|
793 // ----------------------------------------------------------------------------- |
|
794 // CAdvancedAudioPlayController::MdcExecuteIntent |
|
795 // Returns the result of ExecuteIntent() when DataSourceType is KUidMmfFileSource. |
|
796 // ----------------------------------------------------------------------------- |
|
797 // |
|
798 EXPORT_C TInt CAdvancedAudioPlayController::MdcExecuteIntent(ContentAccess::TIntent aIntent) |
|
799 { |
|
800 if (iDataSourceAdapter == NULL) |
|
801 { |
|
802 return KErrNotReady; |
|
803 } |
|
804 TInt status = iDataSourceAdapter->ExecuteIntent(aIntent); |
|
805 return status; |
|
806 } |
|
807 |
|
808 // ----------------------------------------------------------------------------- |
|
809 // CAdvancedAudioPlayController::MdcDisableAutomaticIntent |
|
810 // Returns KErrNone. Setting the iDisableAutoIntent based on the client request. |
|
811 // ----------------------------------------------------------------------------- |
|
812 // |
|
813 EXPORT_C TInt CAdvancedAudioPlayController::MdcDisableAutomaticIntent(TBool aDisableAutoIntent) |
|
814 { |
|
815 iDisableAutoIntent = aDisableAutoIntent; |
|
816 return KErrNone; |
|
817 } |
|
818 |
|
819 // ----------------------------------------------------------------------------- |
|
820 // CAdvancedAudioPlayController::MdcSetAgentProperty |
|
821 // Returns the result of SetAgentProperty() when DataSourceType is KUidMmfFileSource. |
|
822 // ----------------------------------------------------------------------------- |
|
823 // |
|
824 EXPORT_C TInt CAdvancedAudioPlayController::MdcSetAgentProperty(ContentAccess::TAgentProperty aProperty, TInt aValue) |
|
825 { |
|
826 if (iDataSourceAdapter == NULL) |
|
827 { |
|
828 return KErrNotReady; |
|
829 } |
|
830 TInt status = iDataSourceAdapter->SetAgentProperty(aProperty, aValue); |
|
831 return status; |
|
832 } |
|
833 |
|
834 #endif |
|
835 |
|
836 // ----------------------------------------------------------------------------- |
|
837 // CAdvancedAudioPlayController::MapcSetRepeats |
|
838 // Sets the number of times the audio sample is to be repeated during the playback operation. |
|
839 // ----------------------------------------------------------------------------- |
|
840 // |
|
841 EXPORT_C TInt CAdvancedAudioPlayController::MapcSetRepeats(TInt aRepeatNumberOfTimes, const TTimeIntervalMicroSeconds& aTrailingSilence) |
|
842 { |
|
843 DP0(_L("CAdvancedAudioPlayController::MapcSetRepeats")); |
|
844 if (iState == EInitializing) |
|
845 { |
|
846 return KErrNotReady; |
|
847 } |
|
848 else |
|
849 { |
|
850 TInt result = DoSetRepeats(aRepeatNumberOfTimes, aTrailingSilence); |
|
851 return result; |
|
852 } |
|
853 } |
|
854 // End of file |