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1 // Copyright (c) 2002-2009 Nokia Corporation and/or its subsidiary(-ies). |
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2 // All rights reserved. |
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3 // This component and the accompanying materials are made available |
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4 // under the terms of "Eclipse Public License v1.0" |
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5 // which accompanies this distribution, and is available |
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6 // at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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7 // |
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8 // Initial Contributors: |
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9 // Nokia Corporation - initial contribution. |
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10 // |
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11 // Contributors: |
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12 // |
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13 // Description: |
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14 // |
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15 |
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16 #include <mediaclientvideodisplay.h> |
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17 #include "mediaclientvideodisplaybody.h" |
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18 |
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19 |
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20 /** |
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21 Constructs and initialises a new instance of the client video data to display image |
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22 on window or graphics surface. |
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23 |
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24 The function leaves if the video display object cannot be created. |
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25 |
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26 @param aDisplayId |
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27 A display ID. |
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28 |
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29 @return A pointer to the new video display object. |
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30 */ |
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31 |
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32 EXPORT_C CMediaClientVideoDisplay* CMediaClientVideoDisplay::NewL(TInt aDisplayId) |
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33 { |
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34 CMediaClientVideoDisplay* self = new (ELeave) CMediaClientVideoDisplay(); |
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35 CleanupStack::PushL(self); |
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36 self->ConstructL(aDisplayId); |
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37 CleanupStack::Pop(self); |
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38 return self; |
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39 } |
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40 |
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41 /** |
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42 Constructs and initialises a new instance of the client video data to display image |
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43 on window or graphics surface. |
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44 |
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45 The function leaves if the video display object cannot be created. |
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46 |
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47 @param aDisplayId |
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48 A display ID. |
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49 |
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50 @param aSurfaceId |
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51 The surface that has been created. |
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52 |
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53 @param aCropRect |
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54 The dimensions of the crop rectangle, relative to the video image. |
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55 |
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56 @param aAspectRatio |
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57 The pixel aspect ratio to display video picture. |
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58 |
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59 @return A pointer to the new video display object. |
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60 */ |
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61 |
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62 EXPORT_C CMediaClientVideoDisplay* CMediaClientVideoDisplay::NewL(TInt aDisplayId, const TSurfaceId& aSurfaceId, const TRect& aCropRect, TVideoAspectRatio aAspectRatio) |
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63 { |
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64 CMediaClientVideoDisplay* self = new (ELeave) CMediaClientVideoDisplay(); |
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65 CleanupStack::PushL(self); |
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66 self->ConstructL(aDisplayId, aSurfaceId, aCropRect, aAspectRatio); |
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67 CleanupStack::Pop(self); |
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68 return self; |
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69 } |
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70 |
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71 CMediaClientVideoDisplay::CMediaClientVideoDisplay() |
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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 void CMediaClientVideoDisplay::ConstructL(TInt aDisplayId) |
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77 { |
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78 iBody = CMediaClientVideoDisplayBody::NewL(aDisplayId); |
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79 } |
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80 |
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81 void CMediaClientVideoDisplay::ConstructL(TInt aDisplayId, const TSurfaceId& aSurfaceId, const TRect& aCropRect, TVideoAspectRatio aAspectRatio) |
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82 { |
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83 iBody = CMediaClientVideoDisplayBody::NewL(aDisplayId, aSurfaceId, aCropRect, aAspectRatio); |
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84 } |
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85 |
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86 /** |
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87 Destructor. |
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88 |
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89 Releases resources owned by the object prior to its destruction. |
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90 */ |
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91 |
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92 EXPORT_C CMediaClientVideoDisplay::~CMediaClientVideoDisplay() |
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93 { |
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94 delete iBody; |
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95 } |
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96 |
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97 /** |
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98 Adds a new window for displaying the video picture. |
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99 |
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100 @param aWindow |
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101 The display window. |
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102 |
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103 @param aClipRect |
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104 Window clipping rectangle, relative to the window. The clipping rectangle specifies |
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105 the part of the window used for video display. The rectangle must be contained |
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106 completely within the window. |
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107 |
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108 @param aCropRegion |
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109 The dimensions of the crop region, relative to the video image. |
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110 |
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111 @param aVideoExtent |
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112 Video extent on the screen, relative to the window. Video picture position within |
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113 the extent depends on the scaled picture and content alignment or offset. The video |
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114 extent can be partially or completely outside the window. |
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115 |
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116 @param aScaleWidth |
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117 Scaling the width of the video frame. |
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118 |
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119 @param aScaleHeight |
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120 Scaling the height of the video frame. |
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121 |
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122 @param aRotation |
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123 The desired rotation to apply in 90 degree increments. |
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124 |
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125 @param aAutoScaleType |
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126 Automatic scaling type. |
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127 |
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128 @param aHorizPos |
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129 Video picture horizontal position, relative to the video window. The value can be either |
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130 a pixel offset (positive or negative) from the top left corner of the window to the top left |
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131 corner of the picture, or an alignment constant from enum THorizontalAlign. |
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132 |
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133 @param aVertPos |
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134 Video picture vertical position, relative to the video window. The value can be either a pixel |
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135 offset (positive or negative) from the top left corner of the window to the top left corner of |
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136 the picture, or an alignment constant from enum TVerticalAlign. |
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137 |
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138 @param aWindow2 |
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139 The display window, aWindow2 is used when using CVideoPlayerUtility2. This is used to avoid |
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140 casting iWindow from RWindowBase* to RWindow*. |
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141 |
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142 */ |
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143 |
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144 EXPORT_C void CMediaClientVideoDisplay::AddDisplayWindowL(const RWindowBase* aWindow, const TRect& aClipRect, const TRect& aCropRegion, const TRect& aVideoExtent, |
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145 TReal32 aScaleWidth, TReal32 aScaleHeight, TVideoRotation aRotation, |
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146 TAutoScaleType aAutoScaleType, TInt aHorizPos, TInt aVertPos, RWindow* aWindow2) |
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147 { |
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148 iBody->AddDisplayWindowL(aWindow, aClipRect, aCropRegion, aVideoExtent, aScaleWidth, aScaleHeight, aRotation,aAutoScaleType, aHorizPos, aVertPos, aWindow2); |
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149 } |
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150 |
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151 /** |
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152 Removes a window that is currently being used to display the video picture. The window must |
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153 have previously been added with AddDisplayWindowL(). |
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154 |
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155 Note removing the last window on a display will deregister the display |
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156 |
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157 @param aWindow |
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158 The display window. |
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159 |
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160 @return The window position that has been removed. |
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161 |
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162 */ |
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163 |
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164 EXPORT_C TInt CMediaClientVideoDisplay::RemoveDisplayWindow(const RWindowBase& aWindow) |
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165 { |
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166 return iBody->RemoveDisplayWindow(aWindow); |
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167 } |
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168 |
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169 /** |
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170 Must be called when a Surface has been Created. |
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171 |
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172 @param aSurfaceId |
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173 The surface that has been created. |
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174 |
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175 @param aCropRect |
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176 The dimensions of the crop rectangle, relative to the video image. |
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177 |
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178 @param aAspectRatio |
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179 The pixel aspect ratio to display video picture. |
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180 |
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181 @param aCropRegion |
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182 The dimensions of the crop region, relative to the video image. |
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183 |
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184 @return KErrNone is succesfully created, otherwise returns system wide error. |
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185 |
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186 */ |
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187 |
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188 EXPORT_C TInt CMediaClientVideoDisplay::SurfaceCreated(const TSurfaceId& aSurfaceId, const TRect& aCropRect, TVideoAspectRatio aAspectRatio, const TRect& aCropRegion) |
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189 { |
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190 return iBody->SurfaceCreated(aSurfaceId, aCropRect, aAspectRatio, aCropRegion); |
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191 } |
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192 |
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193 /** |
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194 Must be called when the current surface is no longer being used. |
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195 |
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196 */ |
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197 |
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198 EXPORT_C void CMediaClientVideoDisplay::RemoveSurface() |
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199 { |
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200 iBody->RemoveSurface(ETrue); |
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201 } |
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202 |
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203 /** |
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204 |
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205 Must be called when the video surface parameters have been changed. |
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206 |
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207 @param aSurfaceId |
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208 The surface to be created for composition. |
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209 |
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210 @param aCropRect |
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211 The dimensions of the crop rectangle, relative to the video image. |
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212 |
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213 @param aAspectRatio |
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214 The pixel aspect ratio to display video picture. |
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215 |
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216 @return KErrNone is succesfully created, otherwise returns KErrInUse if surface is not created. |
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217 |
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218 */ |
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219 |
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220 EXPORT_C TInt CMediaClientVideoDisplay::SurfaceParametersChanged(const TSurfaceId& aSurfaceId, const TRect& aCropRect, TVideoAspectRatio aAspectRatio) |
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221 { |
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222 return iBody->SurfaceParametersChanged(aSurfaceId, aCropRect, aAspectRatio); |
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223 } |
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224 |
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225 /** |
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226 Redraw all the windows with new crop region. |
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227 |
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228 @param aCropRegion |
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229 The dimensions of the crop region, relative to the video image. |
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230 |
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231 @return KErrNone is succesfully created, otherwise returns system wide error. |
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232 */ |
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233 |
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234 EXPORT_C TInt CMediaClientVideoDisplay::RedrawWindows(const TRect& aCropRegion) |
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235 { |
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236 return iBody->RedrawWindows(aCropRegion); |
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237 } |
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238 |
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239 /** |
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240 Set video automatic scaling. When automatic scaling is active, the |
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241 video picture is scaled automatically to match the video window, |
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242 based on the scaling type, and positioned according to the |
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243 parameters. |
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244 |
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245 Not all video controller support automatic scaling. |
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246 |
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247 This function quits or exits leaving any of the system wide error codes. |
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248 Common error codes are listed below. |
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249 |
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250 @param aWindow |
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251 The display window |
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252 |
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253 @param aAutoScaleType |
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254 Automatic scaling type |
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255 |
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256 @param aHorizPos |
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257 Video picture horizontal position, relative to the video window. |
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258 |
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259 @param aVertPos |
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260 Video picture vertical position, relative to the video window. |
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261 |
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262 @param aCropRegion |
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263 The dimensions of the crop region, relative to the video image. |
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264 |
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265 @leave Leaves with system wide error code. |
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266 */ |
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267 |
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268 EXPORT_C void CMediaClientVideoDisplay::SetAutoScaleL(const RWindowBase& aWindow, TAutoScaleType aScaleType, TInt aHorizPos, TInt aVertPos, const TRect& aCropRegion) |
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269 { |
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270 iBody->SetAutoScaleL(aWindow, aScaleType, aHorizPos, aVertPos, aCropRegion); |
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271 } |
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272 |
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273 /** |
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274 Rotates the video image within the window. This is the preferred method to use with CVideoPlayerUtility2. |
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275 |
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276 The rotation will replace any rotation set with CVideoPlayerUtility::SetRotationL. |
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277 Likewise with setting the rotation with CVideoPlayerUtility::SetRotationL after a call to CVideoPlayerUtility2::SetRotationL has been |
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278 made, then the rotation specified will replace any rotation set with CVideoPlayerUtility2::SetRotationL. |
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279 |
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280 @param aWindow |
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281 Window to set rotation for. |
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282 |
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283 @param aRotation |
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284 The video rotation to use for aWindow. |
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285 |
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286 @param aCropRegion |
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287 The dimensions of the crop region, relative to the video image. |
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288 |
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289 */ |
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290 |
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291 EXPORT_C void CMediaClientVideoDisplay::SetRotationL(const RWindowBase& aWindow, TVideoRotation aRotation, const TRect& aCropRegion) |
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292 { |
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293 iBody->SetRotationL(aWindow, aRotation, aCropRegion); |
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294 } |
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295 |
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296 /** |
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297 Rotates the video image within the window. This is the preferred method to use with CVideoPlayerUtility2. |
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298 |
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299 The rotation will replace any rotation set with CVideoPlayerUtility::SetRotationL. |
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300 Likewise with setting the rotation with CVideoPlayerUtility::SetRotationL after a call to CVideoPlayerUtility2::SetRotationL has been |
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301 made, then the rotation specified will replace any rotation set with CVideoPlayerUtility2::SetRotationL. |
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302 |
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303 @param aRotation |
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304 The video rotation to use for aWindow. |
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305 |
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306 @param aCropRegion |
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307 The dimensions of the crop region, relative to the video image. |
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308 |
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309 */ |
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310 |
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311 EXPORT_C void CMediaClientVideoDisplay::SetRotationL(TVideoRotation aRotation, const TRect& aCropRegion) |
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312 { |
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313 iBody->SetRotationL(aRotation, aCropRegion); |
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314 } |
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315 |
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316 /** |
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317 Retrieves the video rotation set for a window. This is the preferred method to use with CVideoPlayerUtility2. |
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318 |
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319 @param aWindow |
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320 Window to retrieve rotation for. |
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321 |
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322 @return The video rotation. |
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323 |
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324 */ |
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325 |
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326 EXPORT_C TVideoRotation CMediaClientVideoDisplay::RotationL(const RWindowBase& aWindow) |
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327 { |
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328 return iBody->RotationL(aWindow); |
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329 } |
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330 |
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331 /** |
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332 Scales the video image to a specified percentage of its original size within the window. |
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333 |
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334 @param aWindow |
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335 Window to set scale factor for. |
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336 |
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337 @param aWidthPercentage |
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338 The percentage (100 = original size) to be used to scale the width of the video image |
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339 |
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340 @param aHeightPercentage |
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341 The percentage (100 = original size) to be used to scale the height of the video image. |
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342 If this is not equal to aWidthPercentage then the image may be distorted. |
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343 |
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344 @param aCropRegion |
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345 The dimensions of the crop region, relative to the video image. |
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346 |
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347 @see CVideoPlayerUtility2::SetScaleFactorL |
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348 */ |
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349 |
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350 EXPORT_C void CMediaClientVideoDisplay::SetScaleFactorL(const RWindowBase& aWindow, TReal32 aWidthPercentage, TReal32 aHeightPercentage, const TRect& aCropRegion) |
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351 { |
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352 iBody->SetScaleFactorL(aWindow, aWidthPercentage, aHeightPercentage, aCropRegion); |
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353 } |
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354 |
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355 /** |
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356 Scales the video image to a specified percentage of its original size within the window. |
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357 |
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358 @param aWidthPercentage |
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359 The percentage (100 = original size) to be used to scale the width of the video image |
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360 |
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361 @param aHeightPercentage |
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362 The percentage (100 = original size) to be used to scale the height of the video image. |
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363 If this is not equal to aWidthPercentage then the image may be distorted. |
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364 |
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365 @param aCropRegion |
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366 The dimensions of the crop region, relative to the video image. |
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367 |
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368 @see CVideoPlayerUtility2::SetScaleFactorL |
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369 */ |
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370 |
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371 EXPORT_C void CMediaClientVideoDisplay::SetScaleFactorL(TReal32 aWidthPercentage, TReal32 aHeightPercentage, const TRect& aCropRegion) |
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372 { |
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373 iBody->SetScaleFactorL(aWidthPercentage, aHeightPercentage, aCropRegion); |
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374 } |
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375 |
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376 /** |
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377 Retrieves the scale factor currently set for a window. This is the preferred method to use with CVideoPlayerUtility2. |
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378 |
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379 @param aWindow |
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380 Window to retrieve scale factor for. |
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381 |
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382 @param aWidthPercentage |
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383 On function return, contains the current scaling percentage applied to the width of the |
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384 video image (100 = original size). |
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385 |
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386 @param aHeightPercentage |
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387 On function return, contains the current scaling percentage applied to the height |
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388 of the video image (100 = original size). |
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389 |
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390 @see CVideoPlayerUtility2::GetScaleFactorL |
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391 */ |
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392 |
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393 EXPORT_C void CMediaClientVideoDisplay::GetScaleFactorL(const RWindowBase& aWindow, TReal32& aWidthPercentage, TReal32& aHeightPercentage) |
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394 { |
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395 iBody->GetScaleFactorL(aWindow, aWidthPercentage, aHeightPercentage); |
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396 } |
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397 |
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398 /** |
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399 Set video automatic scaling. |
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400 |
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401 @param aHorizPos |
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402 Video picture horizontal position, relative to the video window. |
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403 |
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404 @param aVertPos |
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405 Video picture vertical position, relative to the video window. |
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406 |
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407 @param aCropRegion |
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408 The dimensions of the crop region, relative to the video image. |
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409 |
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410 @see CVideoPlayerUtility2::SetAutoScaleL |
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411 |
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412 */ |
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413 |
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414 EXPORT_C void CMediaClientVideoDisplay::SetAutoScaleL(TAutoScaleType aScaleType, TInt aHorizPos, TInt aVertPos, const TRect& aCropRegion) |
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415 { |
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416 iBody->SetAutoScaleL(aScaleType, aHorizPos, aVertPos, aCropRegion); |
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417 } |
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418 |
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419 /** |
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420 Sets the window clipping rectangle, relative to the window. |
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421 |
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422 @param aWindow |
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423 Window to set clipping rectangle for. |
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424 |
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425 @param aWindowClipRect |
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426 The window server session for this window. |
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427 |
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428 @param aCropRegion |
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429 The dimensions of the crop region, relative to the video image. |
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430 |
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431 @see CVideoPlayerUtility2::SetWindowClipRectL |
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432 |
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433 */ |
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434 |
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435 EXPORT_C void CMediaClientVideoDisplay::SetWindowClipRectL(const RWindowBase& aWindow, const TRect& aWindowClipRect, const TRect& aCropRegion) |
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436 { |
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437 iBody->SetWindowClipRectL(aWindow, aWindowClipRect, aCropRegion); |
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438 } |
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439 |
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440 /** |
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441 Sets the video extent on the screen, relative to the window. |
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442 |
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443 @param aWindow |
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444 Window to set video extent for. |
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445 |
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446 @param aVideoExtent |
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447 The new video extent, relative to the video window. |
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448 |
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449 @param aCropRegion |
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450 The dimensions of the crop region, relative to the video image. |
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451 |
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452 @see CVideoPlayerUtility2::SetWindowClipRectL |
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453 */ |
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454 |
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455 EXPORT_C void CMediaClientVideoDisplay::SetVideoExtentL(const RWindowBase& aWindow, const TRect& aVideoExtent, const TRect& aCropRegion) |
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456 { |
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457 iBody->SetVideoExtentL(aWindow, aVideoExtent, aCropRegion); |
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458 } |
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459 |
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460 /** |
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461 Enables automatic switching of surface to/from external display when it is connected/disconnected from the device. |
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462 |
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463 To use this function the client thread must have an Active Scheduler installed otherwise it will leave with KErrNotReady. |
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464 |
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465 @param aEnable |
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466 ETrue to enable. EFalse to disable. |
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467 @leave KErrNotSupported Device does not support external displays |
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468 @leave KErrNotReady CActiveScheduler is not installed |
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469 */ |
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470 |
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471 EXPORT_C void CMediaClientVideoDisplay::SetExternalDisplaySwitchingL(TBool aControl) |
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472 { |
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473 iBody->SetExternalDisplaySwitchingL(aControl); |
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474 } |