1 /* |
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2 * Copyright (c) 2005 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: |
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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 // USER |
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20 #include "musengcamerahandler.h" |
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21 #include "musunittesting.h" |
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22 #include "musengmceutils.h" |
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23 #include "musenglogger.h" |
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24 |
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25 // SYSTEM |
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26 #include <mcemanager.h> |
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27 #include <mcecamerasource.h> |
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28 #include <mcevideostream.h> |
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29 #include <mcertpsink.h> |
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30 #include <mcedisplaysink.h> |
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31 #include <mcefilesink.h> |
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32 #include <mcesession.h> |
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33 |
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34 const TInt KMaxBrightness = 100; |
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35 const TInt KMinBrightness = -100; |
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36 const TInt KBrightnessStepSize = 10; |
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37 |
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38 |
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39 //Number of big and small zoom steps on Zoom scale |
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40 const TInt KZoomBigStepCount = 15; |
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41 const TInt KZoomSmallStepCount = KZoomBigStepCount*2; |
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42 const TInt KZoomStepMinSize = 1; |
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43 |
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44 const TInt64 KZoomFasterTime = 333333; // 1/3 second |
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45 const TInt KOneCameraOnly = 1; |
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46 |
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47 |
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48 // ----------------------------------------------------------------------------- |
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49 // |
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50 // ----------------------------------------------------------------------------- |
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51 // |
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52 TMusEngCameraHandler::TMusEngCameraHandler() : |
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53 iSession( NULL ), |
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54 iDefaultZoomFactor( -1 ), |
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55 iDefaultBrightness( 0 ), |
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56 iZoomInTime(0), |
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57 iZoomOutTime(0), |
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58 iSmallZoomStep( KZoomStepMinSize ), |
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59 iBigZoomStep( KZoomStepMinSize ), |
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60 iCameraUsage( MusSettingsKeys::EUseCameraSwapping ) |
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61 { |
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62 |
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63 } |
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64 |
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65 // ----------------------------------------------------------------------------- |
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66 // |
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67 // ----------------------------------------------------------------------------- |
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68 // |
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69 void TMusEngCameraHandler::SetSession( CMceSession* aSession ) |
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70 { |
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71 iSession = aSession; |
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72 } |
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73 |
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74 // ----------------------------------------------------------------------------- |
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75 // |
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76 // ----------------------------------------------------------------------------- |
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77 // |
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78 void TMusEngCameraHandler::InitializeL( CMceCameraSource& aCamera ) |
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79 { |
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80 aCamera.GetCameraInfo( iCameraInfo ); |
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81 iDefaultZoomFactor = aCamera.ZoomFactorL(); |
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82 |
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83 InitializeZoomStepSize(); |
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84 |
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85 iCurrentCamera = EBackCamera; |
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86 if ( iCameraUsage == MusSettingsKeys::EUseOnlySecondaryCamera ) |
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87 { |
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88 iCurrentCamera = EFrontCamera; |
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89 } |
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90 aCamera.SetCameraIndexL( (TInt)iCurrentCamera ); |
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91 } |
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92 |
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93 // ----------------------------------------------------------------------------- |
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94 // |
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95 // ----------------------------------------------------------------------------- |
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96 // |
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97 EXPORT_C void TMusEngCameraHandler::PlayL() |
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98 { |
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99 MUS_LOG( "mus: [ENGINE] -> TMusEngCameraHandler::PlayL()" ) |
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100 |
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101 __ASSERT_ALWAYS( iSession, User::Leave( KErrNotReady ) ); |
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102 |
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103 CMceCameraSource* camera = MusEngMceUtils::GetCameraL( *iSession ); |
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104 |
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105 if ( !camera->IsEnabled() ) |
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106 { |
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107 camera->EnableL(); |
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108 } |
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109 else |
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110 { |
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111 MUS_LOG( "mus: [ENGINE] Camera already enabled, ignore request" ) |
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112 } |
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113 |
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114 MUS_LOG( "mus: [ENGINE] <- TMusEngCameraHandler::PlayL()" ) |
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115 } |
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116 |
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117 |
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118 // ----------------------------------------------------------------------------- |
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119 // Disable camera if not already disabled |
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120 // ----------------------------------------------------------------------------- |
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121 // |
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122 EXPORT_C void TMusEngCameraHandler::PauseL() |
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123 { |
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124 MUS_LOG( "mus: [ENGINE] -> TMusEngCameraHandler::PauseL()" ) |
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125 |
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126 __ASSERT_ALWAYS( iSession, User::Leave( KErrNotReady ) ); |
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127 |
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128 CMceCameraSource* camera = MusEngMceUtils::GetCameraL( *iSession ); |
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129 |
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130 if ( camera->IsEnabled() ) |
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131 { |
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132 camera->DisableL(); |
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133 } |
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134 else |
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135 { |
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136 MUS_LOG( "mus: [ENGINE] Camera already disabled, ignore request" ) |
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137 } |
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138 |
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139 MUS_LOG( "mus: [ENGINE] <- TMusEngCameraHandler::PauseL()" ) |
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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 // |
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145 // ----------------------------------------------------------------------------- |
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146 // |
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147 EXPORT_C TBool TMusEngCameraHandler::IsPlayingL() |
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148 { |
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149 __ASSERT_ALWAYS( iSession, User::Leave( KErrNotReady ) ); |
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150 |
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151 return ( MusEngMceUtils::GetCameraL( *iSession )->IsEnabled() ); |
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152 } |
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153 |
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154 // ----------------------------------------------------------------------------- |
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155 // |
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156 // ----------------------------------------------------------------------------- |
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157 // |
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158 EXPORT_C TInt TMusEngCameraHandler::CamerasAvailableL( |
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159 TCurrentCamera& aCurrentCamera ) |
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160 { |
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161 MUS_LOG( "mus: [ENGINE] -> TMusEngCameraHandler::CamerasAvailableL()" ) |
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162 __ASSERT_ALWAYS( iSession != NULL, User::Leave( KErrNotReady ) ); |
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163 |
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164 CMceCameraSource* camera = MusEngMceUtils::GetCameraL( *iSession ); |
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165 __ASSERT_ALWAYS( camera != NULL, User::Leave( KErrNotReady ) ); |
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166 aCurrentCamera = iCurrentCamera; |
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167 TInt camerasAvailable = camera->CamerasAvailable(); |
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168 |
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169 if ( camerasAvailable > KOneCameraOnly && |
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170 iCameraUsage != MusSettingsKeys::EUseCameraSwapping ) |
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171 { |
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172 camerasAvailable = KOneCameraOnly; |
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173 } |
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174 |
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175 MUS_LOG( "mus: [ENGINE] <- TMusEngCameraHandler::CamerasAvailable()" ) |
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176 return camerasAvailable; |
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177 } |
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178 |
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179 // ----------------------------------------------------------------------------- |
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180 // |
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181 // ----------------------------------------------------------------------------- |
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182 // |
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183 EXPORT_C void TMusEngCameraHandler::ChangeCameraL( TCurrentCamera aCurrentCamera ) |
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184 { |
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185 MUS_LOG( "mus: [ENGINE] -> TMusEngCameraHandler::ChangeCameraL()" ) |
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186 __ASSERT_ALWAYS( iSession != NULL, User::Leave( KErrNotReady ) ); |
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187 |
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188 CMceCameraSource* camera = MusEngMceUtils::GetCameraL( *iSession ); |
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189 CMceDisplaySink* display = MusEngMceUtils::GetDisplayL( *iSession ); |
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190 |
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191 if ( camera->CamerasAvailable() ) |
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192 { |
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193 if ( TMusEngCameraHandler::EFrontCamera == aCurrentCamera && |
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194 TMusEngCameraHandler::EFrontCamera != iCurrentCamera ) |
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195 { |
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196 MUS_LOG( "mus: [ENGINE] Set Front camera" ) |
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197 iCurrentCamera = TMusEngCameraHandler::EFrontCamera; |
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198 ChangeActiveCameraL( iCurrentCamera ); |
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199 } |
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200 else if ( TMusEngCameraHandler::EBackCamera == aCurrentCamera && |
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201 TMusEngCameraHandler::EBackCamera != iCurrentCamera ) |
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202 { |
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203 MUS_LOG( "mus: [ENGINE] Set Back camera " ) |
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204 iCurrentCamera = TMusEngCameraHandler::EBackCamera; |
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205 ChangeActiveCameraL( iCurrentCamera );; |
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206 } |
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207 else if ( TMusEngCameraHandler::ENextCamera == aCurrentCamera ) |
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208 { |
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209 if ( iCurrentCamera == TMusEngCameraHandler::EBackCamera ) |
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210 { |
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211 iCurrentCamera = TMusEngCameraHandler::EFrontCamera; |
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212 } |
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213 else |
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214 { |
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215 iCurrentCamera = TMusEngCameraHandler::EBackCamera; |
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216 } |
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217 ChangeActiveCameraL( iCurrentCamera ); |
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218 } |
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219 } |
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220 MUS_LOG( "mus: [ENGINE] <- TMusEngCameraHandler::ChangeCameraL()" ) |
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221 } |
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222 // ----------------------------------------------------------------------------- |
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223 // |
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224 // ----------------------------------------------------------------------------- |
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225 // |
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226 EXPORT_C TInt TMusEngCameraHandler::CurrentZoomL() const |
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227 { |
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228 MUS_LOG( "mus: [ENGINE] -> TMusEngCameraHandler::CurrentZoomL()" ) |
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229 __ASSERT_ALWAYS( iSession, User::Leave( KErrNotReady ) ); |
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230 |
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231 CMceCameraSource* camera = MusEngMceUtils::GetCameraL( *iSession ); |
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232 |
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233 TInt currentZoom = camera->ZoomFactorL() + camera->DigitalZoomFactorL(); |
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234 |
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235 MUS_LOG1( "mus: [ENGINE] <- TMusEngCameraHandler::CurrentZoomL( %d )", |
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236 currentZoom ) |
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237 |
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238 return currentZoom; |
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239 } |
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240 |
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241 |
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242 // ----------------------------------------------------------------------------- |
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243 // |
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244 // ----------------------------------------------------------------------------- |
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245 // |
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246 EXPORT_C void TMusEngCameraHandler::SetZoomL( TInt aNewZoomFactor ) |
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247 { |
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248 MUS_LOG1( "mus: [ENGINE] -> TMusEngCameraHandler::SetZoomL( %d )", |
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249 aNewZoomFactor ) |
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250 |
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251 __ASSERT_ALWAYS( iSession, User::Leave( KErrNotReady ) ); |
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252 __ASSERT_ALWAYS( aNewZoomFactor <= MaxZoomL() && |
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253 aNewZoomFactor >= MinZoomL(), |
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254 User::Leave( KErrArgument ) ); |
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255 |
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256 CMceCameraSource* camera = MusEngMceUtils::GetCameraL( *iSession ); |
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257 |
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258 if ( aNewZoomFactor <= iCameraInfo.iMaxZoom ) |
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259 { |
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260 MUS_LOG( "mus: [ENGINE] Optical zoom factor increased" ) |
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261 camera->SetZoomFactorL( aNewZoomFactor ); |
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262 } |
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263 |
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264 if ( aNewZoomFactor - iCameraInfo.iMaxZoom > 0 ) |
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265 { |
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266 camera->SetDigitalZoomFactorL( aNewZoomFactor - iCameraInfo.iMaxZoom ); |
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267 MUS_LOG1( "mus: [ENGINE] Digital zoom factor increased to %d", |
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268 aNewZoomFactor - iCameraInfo.iMaxZoom ) |
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269 } |
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270 |
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271 MUS_LOG( "mus: [ENGINE] <- TMusEngCameraHandler::SetZoomL()" ) |
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272 } |
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273 |
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274 |
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275 // ----------------------------------------------------------------------------- |
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276 // |
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277 // ----------------------------------------------------------------------------- |
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278 // |
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279 EXPORT_C TInt TMusEngCameraHandler::MinZoomL() const |
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280 { |
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281 MUS_LOG( "mus: [ENGINE] -> TMusEngCameraHandler::MinZoomL()" ) |
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282 __ASSERT_ALWAYS( iSession, User::Leave( KErrNotReady ) ); |
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283 |
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284 // Although we do not need camera for return value, we have to have it in |
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285 // order to have proper iCameraInfo |
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286 MusEngMceUtils::GetCameraL( *iSession ); |
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287 |
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288 MUS_LOG1( "mus: [ENGINE] <- TMusEngCameraHandler::MinZoomL( %d )", |
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289 iCameraInfo.iMinZoom ) |
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290 |
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291 return iCameraInfo.iMinZoom; |
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292 } |
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293 |
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294 |
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295 // ----------------------------------------------------------------------------- |
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296 // |
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297 // ----------------------------------------------------------------------------- |
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298 // |
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299 EXPORT_C TInt TMusEngCameraHandler::MaxZoomL() const |
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300 { |
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301 MUS_LOG( "mus: [ENGINE] -> TMusEngCameraHandler::MaxZoomL()" ) |
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302 __ASSERT_ALWAYS( iSession, User::Leave( KErrNotReady ) ); |
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303 |
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304 // Although we do not need camera for return value, we have to have it in |
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305 // order to have proper iCameraInfo |
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306 MusEngMceUtils::GetCameraL( *iSession ); |
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307 |
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308 TInt maxZoom = iCameraInfo.iMaxZoom + iCameraInfo.iMaxDigitalZoom; |
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309 |
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310 MUS_LOG1( "mus: [ENGINE] Max optical zoom( %d )", |
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311 iCameraInfo.iMaxZoom ) |
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312 MUS_LOG1( "mus: [ENGINE] Max digital zoom( %d )", |
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313 iCameraInfo.iMaxDigitalZoom ) |
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314 MUS_LOG1( "mus: [ENGINE] <- TMusEngCameraHandler::MaxZoomL( %d )", |
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315 maxZoom ) |
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316 |
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317 return maxZoom; |
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318 } |
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319 |
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320 |
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321 // ----------------------------------------------------------------------------- |
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322 // |
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323 // ----------------------------------------------------------------------------- |
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324 // |
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325 EXPORT_C void TMusEngCameraHandler::ZoomInL() |
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326 { |
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327 MUS_LOG( "mus: [ENGINE] -> TMusEngCameraHandler::ZoomInL()" ) |
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328 __ASSERT_ALWAYS( iSession, User::Leave( KErrNotReady ) ); |
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329 |
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330 CMceCameraSource* camera = MusEngMceUtils::GetCameraL( *iSession ); |
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331 |
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332 // First try to increase optical zoom factor. If in maximum value, try to |
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333 // increase digital zoom factor. |
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334 TInt stepSize = ZoomStepSize( iZoomInTime ); |
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335 TInt zoomFactor = camera->ZoomFactorL(); |
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336 TInt zoomDigitalFactor = camera->DigitalZoomFactorL(); |
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337 |
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338 //increate optical zoom factor |
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339 if ( zoomFactor + stepSize <= iCameraInfo.iMaxZoom ) |
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340 { |
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341 //optical zoom factor is enough |
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342 camera->SetZoomFactorL( zoomFactor + stepSize ); |
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343 stepSize = 0; |
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344 } |
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345 else if (zoomFactor < iCameraInfo.iMaxZoom) |
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346 { |
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347 stepSize -= iCameraInfo.iMaxZoom - zoomFactor; |
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348 camera->SetZoomFactorL( iCameraInfo.iMaxZoom ); |
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349 } |
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350 |
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351 //increate digital zoom factor |
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352 if (stepSize > 0) |
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353 { |
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354 if ( zoomDigitalFactor + stepSize <= iCameraInfo.iMaxDigitalZoom ) |
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355 { |
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356 camera->SetDigitalZoomFactorL( zoomDigitalFactor + stepSize ); |
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357 } |
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358 else |
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359 { |
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360 camera->SetDigitalZoomFactorL( iCameraInfo.iMaxDigitalZoom ); |
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361 MUS_LOG( "mus: [ENGINE] TMusEngCameraHandler::ZoomInL(): Optical \ |
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362 and digital zoom factors are in maximum value" ) |
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363 } |
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364 } |
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365 |
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366 MUS_LOG( "mus: [ENGINE] <- TMusEngCameraHandler::ZoomInL()" ) |
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367 |
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368 } |
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369 |
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370 |
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371 // ----------------------------------------------------------------------------- |
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372 // |
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373 // ----------------------------------------------------------------------------- |
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374 // |
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375 EXPORT_C void TMusEngCameraHandler::ZoomOutL() |
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376 { |
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377 MUS_LOG( "mus: [ENGINE] -> TMusEngCameraHandler::ZoomOutL()" ) |
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378 __ASSERT_ALWAYS( iSession, User::Leave( KErrNotReady ) ); |
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379 |
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380 CMceCameraSource* camera = MusEngMceUtils::GetCameraL( *iSession ); |
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381 |
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382 // First try to decrease digital zoom factor. If already zero, try to |
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383 // decrease optical zoom factor. |
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384 TInt stepSize = ZoomStepSize( iZoomOutTime ); |
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385 TInt zoomFactor = camera->ZoomFactorL(); |
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386 TInt zoomDigitalFactor = camera->DigitalZoomFactorL(); |
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387 |
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388 //decreate digital zoom factor firstly |
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389 if ( zoomDigitalFactor - stepSize >= 0 ) |
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390 { |
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391 //digital zoom factor is enough |
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392 camera->SetDigitalZoomFactorL( zoomDigitalFactor - stepSize ); |
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393 stepSize = 0; |
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394 } |
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395 else if ( zoomDigitalFactor > 0 ) |
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396 { |
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397 stepSize -= zoomDigitalFactor; |
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398 camera->SetDigitalZoomFactorL( 0 ); |
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399 MUS_LOG("mus: [ENGINE] Digigal Factor to zero") |
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400 } |
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401 |
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402 //decreate optical zoom factor firstly |
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403 if ( stepSize > 0 ) |
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404 { |
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405 if ( zoomFactor - stepSize > iCameraInfo.iMinZoom ) |
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406 { |
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407 camera->SetZoomFactorL( zoomFactor - stepSize ); |
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408 } |
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409 else |
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410 { |
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411 MUS_LOG( "mus: [ENGINE] TMusEngCameraHandler::ZoomOutL(): Optical and \ |
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412 digital zoom factors are in minimum value" ) |
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413 camera->SetZoomFactorL( iCameraInfo.iMinZoom ); |
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414 } |
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415 } |
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416 |
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417 MUS_LOG( "mus: [ENGINE] <- TMusEngCameraHandler::ZoomOutL()" ) |
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418 } |
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419 |
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420 |
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421 // ----------------------------------------------------------------------------- |
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422 // |
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423 // ----------------------------------------------------------------------------- |
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424 // |
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425 EXPORT_C void TMusEngCameraHandler::ZoomDefaultL() |
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426 { |
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427 MUS_LOG( "mus: [ENGINE] -> TMusEngCameraHandler::ZoomDefaultL()" ) |
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428 |
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429 __ASSERT_ALWAYS( iSession, User::Leave( KErrNotReady ) ); |
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430 |
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431 CMceCameraSource* camera = MusEngMceUtils::GetCameraL( *iSession ); |
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432 |
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433 camera->SetZoomFactorL( iDefaultZoomFactor ); |
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434 camera->SetDigitalZoomFactorL( 0 ); |
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435 |
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436 MUS_LOG( "mus: [ENGINE] <- TMusEngCameraHandler::ZoomDefaultL()" ) |
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437 } |
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438 |
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439 |
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440 // ----------------------------------------------------------------------------- |
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441 // |
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442 // ----------------------------------------------------------------------------- |
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443 // |
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444 EXPORT_C void TMusEngCameraHandler::SetBrightnessL( TInt aBrightness ) const |
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445 { |
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446 MUS_LOG1( "mus: [ENGINE] -> TMusEngCameraHandler::SetBrightnessL( %d )", |
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447 aBrightness ) |
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448 |
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449 __ASSERT_ALWAYS( iSession, User::Leave( KErrNotReady ) ); |
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450 |
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451 CMceCameraSource* camera = MusEngMceUtils::GetCameraL( *iSession ); |
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452 camera->SetBrightnessL( aBrightness ); |
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453 |
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454 MUS_LOG( "mus: [ENGINE] <- TMusEngCameraHandler::SetBrightnessL()" ) |
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455 } |
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456 |
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457 |
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458 // ----------------------------------------------------------------------------- |
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459 // |
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460 // ----------------------------------------------------------------------------- |
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461 // |
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462 EXPORT_C TInt TMusEngCameraHandler::CurrentBrightnessL() const |
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463 { |
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464 MUS_LOG( "mus: [ENGINE] -> TMusEngCameraHandler::CurrentBrightnessL()" ) |
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465 |
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466 __ASSERT_ALWAYS( iSession, User::Leave( KErrNotReady ) ); |
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467 |
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468 CMceCameraSource* camera = MusEngMceUtils::GetCameraL( *iSession ); |
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469 TInt currentBrightness = camera->BrightnessL(); |
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470 |
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471 MUS_LOG1( "mus: [ENGINE] <- TMusEngCameraHandler::CurrentBrightnessL(): %d", |
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472 currentBrightness ) |
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473 |
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474 return currentBrightness; |
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475 } |
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476 |
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477 |
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478 // ----------------------------------------------------------------------------- |
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479 // |
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480 // ----------------------------------------------------------------------------- |
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481 // |
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482 EXPORT_C TInt TMusEngCameraHandler::MaxBrightnessL() const |
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483 { |
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484 MUS_LOG( "mus: [ENGINE] -> TMusEngCameraHandler::MaxBrightnessL()" ) |
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485 |
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486 // maximum brightness is not in camera info, but a constant 100 |
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487 |
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488 MUS_LOG1( "mus: [ENGINE] <- TMusEngCameraHandler::MaxBrightnessL(): %d", |
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489 KMaxBrightness ) |
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490 |
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491 return KMaxBrightness; |
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492 } |
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493 |
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494 |
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495 // ----------------------------------------------------------------------------- |
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496 // |
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497 // ----------------------------------------------------------------------------- |
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498 // |
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499 EXPORT_C TInt TMusEngCameraHandler::MinBrightnessL() const |
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500 { |
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501 MUS_LOG( "mus: [ENGINE] -> TMusEngCameraHandler::MinBrightnessL()" ) |
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502 |
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503 // maximum brightness is not in camera info, but a constant -100 |
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504 |
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505 MUS_LOG1( "mus: [ENGINE] <- TMusEngCameraHandler::MinBrightnessL(): %d", |
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506 KMinBrightness ) |
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507 |
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508 return KMinBrightness; |
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509 } |
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510 |
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511 |
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512 // ----------------------------------------------------------------------------- |
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513 // |
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514 // ----------------------------------------------------------------------------- |
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515 // |
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516 EXPORT_C void TMusEngCameraHandler::IncreaseBrightnessL() |
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517 { |
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518 MUS_LOG( "mus: [ENGINE] -> TMusEngCameraHandler::IncreaseBrightnessL()" ) |
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519 __ASSERT_ALWAYS( iSession, User::Leave( KErrNotReady ) ); |
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520 |
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521 CMceCameraSource* camera = MusEngMceUtils::GetCameraL( *iSession ); |
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522 |
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523 TInt newBrightness = camera->BrightnessL() + KBrightnessStepSize; |
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524 |
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525 if ( newBrightness < KMaxBrightness ) |
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526 { |
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527 camera->SetBrightnessL( newBrightness ); |
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528 } |
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529 else |
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530 { |
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531 camera->SetBrightnessL( KMaxBrightness ); |
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532 } |
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533 |
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534 MUS_LOG( "mus: [ENGINE] <- TMusEngCameraHandler::IncreaseBrightnessL()" ) |
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535 } |
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536 |
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537 |
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538 // ----------------------------------------------------------------------------- |
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539 // |
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540 // ----------------------------------------------------------------------------- |
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541 // |
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542 EXPORT_C void TMusEngCameraHandler::DecreaseBrightnessL() |
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543 { |
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544 MUS_LOG( "mus: [ENGINE] -> TMusEngCameraHandler::DecreaseBrightnessL()" ) |
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545 __ASSERT_ALWAYS( iSession, User::Leave( KErrNotReady ) ); |
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546 |
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547 CMceCameraSource* camera = MusEngMceUtils::GetCameraL( *iSession ); |
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548 |
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549 TInt newBrightness = camera->BrightnessL() - KBrightnessStepSize; |
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550 |
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551 if ( newBrightness > KMinBrightness ) |
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552 { |
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553 camera->SetBrightnessL( newBrightness ); |
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554 } |
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555 else |
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556 { |
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557 camera->SetBrightnessL( KMinBrightness ); |
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558 } |
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559 |
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560 MUS_LOG( "mus: [ENGINE] <- TMusEngCameraHandler::DecreaseBrightnessL()" ) |
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561 } |
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562 |
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563 |
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564 // ----------------------------------------------------------------------------- |
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565 // |
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566 // ----------------------------------------------------------------------------- |
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567 // |
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568 EXPORT_C void TMusEngCameraHandler::BrightnessDefaultL() |
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569 { |
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570 MUS_LOG( "mus: [ENGINE] -> TMusEngCameraHandler::BrightnessDefaultL()" ) |
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571 __ASSERT_ALWAYS( iSession, User::Leave( KErrNotReady ) ); |
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572 |
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573 CMceCameraSource* camera = MusEngMceUtils::GetCameraL( *iSession ); |
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574 |
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575 camera->SetBrightnessL( iDefaultBrightness ); |
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576 |
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577 MUS_LOG( "mus: [ENGINE] <- TMusEngCameraHandler::BrightnessDefaultL()" ) |
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578 } |
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579 |
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580 |
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581 // ----------------------------------------------------------------------------- |
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582 // |
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583 // ----------------------------------------------------------------------------- |
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584 // |
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585 EXPORT_C void TMusEngCameraHandler::BrightnessAutoL() |
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586 { |
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587 MUS_LOG( "mus: [ENGINE] -> TMusEngCameraHandler::BrightnessAutoL()" ) |
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588 __ASSERT_ALWAYS( iSession, User::Leave( KErrNotReady ) ); |
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589 |
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590 CMceCameraSource* camera = MusEngMceUtils::GetCameraL( *iSession ); |
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591 |
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592 camera->SetBrightnessL( CCamera::EBrightnessAuto ); |
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593 |
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594 MUS_LOG( "mus: [ENGINE] <- TMusEngCameraHandler::BrightnessAutoL()" ) |
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595 } |
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596 |
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597 // ----------------------------------------------------------------------------- |
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598 // |
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599 // ----------------------------------------------------------------------------- |
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600 // |
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601 void TMusEngCameraHandler::InitializeZoomStepSize() |
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602 { |
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603 MUS_LOG( "mus: [ENGINE] -> TMusEngCameraHandler::InitializeZoomStepSize()" ) |
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604 MUS_LOG2( "iMaxZoom = %d, iMinZoom = %d", iCameraInfo.iMaxZoom, iCameraInfo.iMinZoom); |
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605 MUS_LOG2( "iMaxDigitalZoom = %d, iMaxDigitalZoomFactor = %d", |
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606 iCameraInfo.iMaxDigitalZoom, iCameraInfo.iMaxDigitalZoomFactor); |
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607 |
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608 iBigZoomStep = ( iCameraInfo.iMaxZoom + iCameraInfo.iMaxDigitalZoom - |
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609 iCameraInfo.iMinZoom ) / KZoomBigStepCount; |
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610 |
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611 if ( iBigZoomStep < KZoomStepMinSize ) |
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612 iBigZoomStep = KZoomStepMinSize; |
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613 |
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614 iSmallZoomStep = ( iCameraInfo.iMaxZoom + iCameraInfo.iMaxDigitalZoom - |
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615 iCameraInfo.iMinZoom ) / KZoomSmallStepCount; |
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616 |
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617 if ( iSmallZoomStep < KZoomStepMinSize ) |
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618 iSmallZoomStep = KZoomStepMinSize; |
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619 |
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620 MUS_LOG2( "mus: [ENGINE] iSmallZoomStep = %d, iBigZoomStep = %d", |
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621 iSmallZoomStep, iBigZoomStep ) |
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622 MUS_LOG( "mus: [ENGINE] <- TMusEngCameraHandler::InitializeZoomStepSize()" ) |
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623 } |
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624 |
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625 // ----------------------------------------------------------------------------- |
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626 // |
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627 // ----------------------------------------------------------------------------- |
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628 // |
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629 void TMusEngCameraHandler::ReadCameraUsageKeyL() |
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630 { |
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631 MUS_LOG( "mus: [ENGINE] -> TMusEngCameraHandler::ReadCameraUsageKeyL()" ) |
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632 |
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633 // We try to read camera usage. If we do not succeed, we use default |
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634 iCameraUsage = MusSettingsKeys::EUseCameraSwapping; |
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635 TRAPD( error, |
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636 iCameraUsage = MultimediaSharingSettings::CameraUsageL() ) |
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637 __ASSERT_ALWAYS( error == KErrNone || error == KErrNotFound, |
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638 User::Leave( error ) ); |
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639 |
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640 MUS_LOG( "mus: [ENGINE] <- TMusEngCameraHandler::ReadCameraUsageKeyL()" ) |
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641 |
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642 } |
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643 |
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644 // ----------------------------------------------------------------------------- |
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645 // Calculate the zoom step based time escaped |
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646 // ----------------------------------------------------------------------------- |
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647 TInt TMusEngCameraHandler::ZoomStepSize( TInt64& aTime ) |
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648 { |
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649 TTime now; |
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650 now.HomeTime(); |
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651 TInt64 timeNow = now.Int64(); |
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652 TInt stepSize = ( ( timeNow - aTime ) <= KZoomFasterTime ) ? iBigZoomStep : iSmallZoomStep; |
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653 |
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654 aTime = now.Int64(); |
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655 |
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656 MUS_LOG1( "mus: [ENGINE] stepSize = %d", stepSize ); |
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657 |
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658 return stepSize; |
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659 } |
|
660 |
|
661 // ----------------------------------------------------------------------------- |
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662 // Disable camera before it changes it. It enables camera after change. |
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663 // ----------------------------------------------------------------------------- |
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664 void TMusEngCameraHandler::ChangeActiveCameraL( TCurrentCamera aNewCamera ) |
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665 { |
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666 MUS_LOG( "mus: [ENGINE] -> ChangeActiveCamera()" ) |
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667 |
|
668 CMceCameraSource* camera = MusEngMceUtils::GetCameraL( *iSession ); |
|
669 CMceDisplaySink* display = MusEngMceUtils::GetDisplayL( *iSession ); |
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670 MUS_LOG( "mus: [ENGINE] Camera enabled ?" ) |
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671 if ( camera->IsEnabled() ) |
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672 { |
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673 MUS_LOG( "mus: [ENGINE] Is view finder enabled? " ) |
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674 if ( display->IsEnabled() ) |
|
675 { |
|
676 MUS_LOG( "mus: [ENGINE] Disable view finder" ) |
|
677 display->DisableL(); |
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678 } |
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679 MUS_LOG( "mus: [ENGINE] Disable camera" ) |
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680 camera->DisableL(); |
|
681 camera->SetCameraIndexL( aNewCamera ); |
|
682 camera->EnableL(); |
|
683 display->EnableL(); |
|
684 } |
|
685 else |
|
686 { |
|
687 if ( display->IsEnabled() ) |
|
688 { |
|
689 MUS_LOG( "mus: [ENGINE] Disable view finder" ) |
|
690 display->DisableL(); |
|
691 } |
|
692 MUS_LOG( "mus: [ENGINE] set camera index" ) |
|
693 camera->SetCameraIndexL( aNewCamera ); |
|
694 MUS_LOG( "mus: [ENGINE] Enable camera" ) |
|
695 display->EnableL(); |
|
696 } |
|
697 |
|
698 MUS_LOG( "mus: [ENGINE] -> fetching new iCameraInfo..." ) |
|
699 camera->GetCameraInfo( iCameraInfo ); |
|
700 iDefaultZoomFactor = camera->ZoomFactorL(); |
|
701 InitializeZoomStepSize(); |
|
702 } |
|
703 |
|