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: |
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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 #ifndef MCECAMERASOURCE_H |
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20 #define MCECAMERASOURCE_H |
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21 |
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22 // INCLUDES |
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23 #include <e32std.h> |
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24 #include <ecam.h> |
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25 #include "mcemediasource.h" |
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26 |
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27 // CONSTANTS |
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28 const TMceSourceType KMceCameraSource = 3; |
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29 |
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30 //FORWARD DECLARATIONS |
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31 class CMceManager; |
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32 class CMceItcSender; |
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33 |
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34 // CLASS DECLARATION |
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35 |
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36 /** |
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37 * Class representing camera in MCE. |
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38 * |
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39 * CMceCameraSource can be used to record video from camera. |
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40 * |
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41 * Enable (continue) and Disable (pause) operations to it are considered |
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42 * to be local, so they are not signalled to remote terminal. |
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43 * |
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44 * In common situation camera source is combined with display sink which acts |
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45 * as a viewfinder for the camera. |
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46 * |
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47 * @lib mceclient.lib |
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48 */ |
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49 class CMceCameraSource : public CMceMediaSource |
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50 { |
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51 friend class UT_CMusEngLiveSession; |
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52 |
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53 public: // Constructors and destructor |
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54 |
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55 /** |
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56 * Two-phased constructor. |
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57 * @param aManager reference to the manager |
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58 */ |
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59 IMPORT_C static CMceCameraSource* NewL( CMceManager& aManager ); |
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60 |
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61 /** |
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62 * Two-phased constructor. |
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63 * @param aManager reference to the manager |
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64 */ |
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65 IMPORT_C static CMceCameraSource* NewLC( CMceManager& aManager ); |
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66 |
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67 /** |
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68 * Destructor. |
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69 */ |
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70 IMPORT_C ~CMceCameraSource(); |
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71 |
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72 public: // From CMceMediaSource |
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73 |
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74 /** |
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75 * Enables the source explicitly. |
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76 */ |
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77 IMPORT_C void EnableL(); |
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78 |
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79 /** |
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80 * Disables the source explicitly. |
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81 */ |
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82 IMPORT_C void DisableL(); |
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83 |
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84 public: // New functions |
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85 |
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86 /** |
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87 * Gets the number of cameras on the device. |
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88 * @return number of available cameras |
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89 */ |
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90 IMPORT_C TInt CamerasAvailable() const; |
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91 |
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92 /** |
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93 * Sets index of physical camera to be used. |
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94 * @param aCameraIndex, index of the camera to be used; First camera has |
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95 * index 0 and number of available cameras can be retrieved by |
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96 * calling CMceCameraSource::CamerasAvailable |
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97 */ |
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98 IMPORT_C void SetCameraIndexL( TInt aCameraIndex ); |
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99 |
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100 /** |
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101 * Gets information about the camera device. |
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102 * @param aInfo on return information about the camera device |
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103 */ |
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104 IMPORT_C void GetCameraInfo( TCameraInfo& aInfo ) const; |
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105 |
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106 /** |
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107 * Sets the zoom factor. |
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108 * This must be in the range of TCameraInfo::iMinZoom to |
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109 * TCameraInfo::iMaxZoom inclusive. |
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110 * @param aZoomFactor required zoom factor |
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111 * @leave KErrArgument if the specified zoom factor is out of range |
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112 */ |
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113 IMPORT_C void SetZoomFactorL( TInt aZoomFactor ); |
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114 |
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115 /** |
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116 * Gets the currently set zoom factor. |
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117 * @return current zoom factor |
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118 */ |
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119 IMPORT_C TInt ZoomFactorL(); |
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120 |
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121 /** |
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122 * Sets the digital zoom factor. |
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123 * This must be in the range of 0 to TCameraInfo::iMaxDigitalZoom |
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124 * inclusive. |
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125 * @param aDigitalZoomFactor The required digital zoom factor |
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126 * @leave KErrArgument if the zoom factor is out of range |
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127 */ |
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128 IMPORT_C void SetDigitalZoomFactorL( TInt aDigitalZoomFactor ); |
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129 |
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130 /** |
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131 * Gets the currently set digital zoom factor. |
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132 * @return current digital zoom factor |
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133 */ |
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134 IMPORT_C TInt DigitalZoomFactorL(); |
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135 |
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136 /** |
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137 * Sets the contrast adjustment of the device. |
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138 * @param aContrast required contrast value; This must be in the |
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139 * range of -100 to +100 or CCamera::EContrastAuto. |
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140 * @leave KErrNotSupported if contrast adjustment is not supported, |
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141 * see TCameraInfo::TOptions |
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142 * @leave KErrArgument if the specified contrast value is out of |
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143 * range |
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144 */ |
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145 IMPORT_C void SetContrastL( TInt aContrast ); |
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146 |
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147 /** |
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148 * Gets the current contrast value. |
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149 * @return current contrast value |
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150 */ |
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151 IMPORT_C TInt ContrastL(); |
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152 |
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153 /** |
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154 * Sets the brightness adjustment of the device. |
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155 * No effect if this is not supported, see TCameraInfo::TOptions. |
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156 * |
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157 * @param aBrightness required brightness adjustment; This must be |
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158 * in the range of -100 to +100 or CCamera::EBrightnessAuto |
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159 * @leave KErrNotSupported if brightness adjustment is not supported, |
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160 * see TCameraInfo::TOptions |
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161 * @leave KErrArgument if the brightness adjustment is out of range |
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162 */ |
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163 IMPORT_C void SetBrightnessL( TInt aBrightness ); |
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164 |
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165 /** |
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166 * Gets the currently set brightness adjustment value. |
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167 * @return current brightness adjustment value |
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168 */ |
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169 IMPORT_C TInt BrightnessL(); |
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170 |
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171 /** |
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172 * Sets the exposure adjustment of the device. |
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173 * @param aExposure required exposure adjustment |
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174 * @leave KErrNotSupported if the specified exposure adjustment is |
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175 * not supported, see CameraInfo::iExposureModesSupported |
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176 */ |
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177 IMPORT_C void SetExposureL( CCamera::TExposure aExposure ); |
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178 |
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179 /** |
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180 * Gets the currently set exposure setting value. |
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181 * @return current exposure setting value |
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182 */ |
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183 IMPORT_C CCamera::TExposure ExposureL(); |
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184 |
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185 /** |
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186 * Sets the white balance adjustment of the device. |
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187 * @param aWhiteBalance required white balance adjustment |
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188 * @leave KErrNotSupported if the specified white balance adjustment is |
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189 * not supported, see TCameraInfo::iWhiteBalanceModesSupported |
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190 */ |
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191 IMPORT_C void SetWhiteBalanceL( CCamera::TWhiteBalance aWhiteBalance ); |
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192 |
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193 /** |
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194 * Gets the currently set white balance adjustment value. |
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195 * @return current white balance adjustment value |
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196 */ |
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197 IMPORT_C CCamera::TWhiteBalance WhiteBalanceL(); |
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198 |
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199 public: // internal |
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200 |
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201 /** |
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202 * Initializes |
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203 * @param aManager the manager. Ownership is NOT transferred |
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204 */ |
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205 void InitializeL( CMceManager* aManager ); |
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206 |
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207 private: |
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208 |
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209 /** |
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210 * C++ constructor. |
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211 */ |
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212 CMceCameraSource(); |
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213 |
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214 /** |
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215 * Second-phase constructor. |
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216 */ |
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217 void ConstructL( CMceManager* aManager ); |
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218 |
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219 private: // Owned data |
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220 |
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221 TCameraInfo iCameraInfo; |
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222 |
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223 private: // Not owned data |
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224 |
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225 //CMceManager* iManager; |
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226 |
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227 private: // Reserved for future use |
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228 |
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229 TAny* iReserved; |
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230 |
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231 |
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232 public: // stub data |
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233 |
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234 TInt iCameraIndex; |
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235 TInt iZoomFactor; |
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236 TInt iDigitalZoomFactor; |
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237 TInt iContrast; |
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238 TInt iBrightness; |
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239 TInt iExposure; |
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240 TInt iWhiteBalance; |
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241 |
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242 }; |
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243 |
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244 #endif |
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