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1 /* |
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2 * Copyright (c) 2004-2006 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: Class for NGA Drawer. |
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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 CVTENGDRAWNGA_H |
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20 #define CVTENGDRAWNGA_H |
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21 |
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22 // INCLUDES |
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23 //#include <videorenderer.h> |
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24 #include <Posting_Surface.h> |
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25 #include <Posting_Surface_Factory.h> |
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26 #include <pixelformats.h> |
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27 //#include <videoframebuffer.h> |
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28 // GCE Surface |
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29 #include "graphics/surfacemanager.h" |
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30 #include "graphics/surface.h" |
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31 #include "graphics/surfaceupdateclient.h" |
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32 |
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33 #include "CVtEngRemoteVideo.h" |
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34 #include "TVtEngRenderConfigNGA.h" |
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35 |
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36 // FORWARDS |
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37 |
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38 class TDisplaySinkParamsNGA; |
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39 |
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40 // CONSTANTS AND MACROS |
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41 const TInt KVtEngMaxSurfaceBuffers = 2; |
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42 |
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43 NONSHARABLE_CLASS( TVTSurfaceBuffer ) |
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44 { |
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45 public: |
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46 |
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47 /** |
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48 * C++ constructor |
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49 */ |
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50 TVTSurfaceBuffer( TUint8* aBuffer = NULL, TInt aSurfaceNo = KErrNotFound ); |
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51 |
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52 /** |
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53 * Returns pointer reference to stored buffer. |
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54 */ |
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55 TUint8* &Buffer(); |
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56 |
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57 /** |
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58 * Returns surface no.. |
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59 */ |
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60 TInt SurfaceNo(); |
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61 |
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62 void Set( TUint8* aBuffer, TInt aSurfaceNo ); |
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63 |
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64 void UnSet(); |
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65 |
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66 private: |
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67 |
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68 // Pointer's pointer to buffer |
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69 TUint8* iBuffer; |
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70 TInt iSurfaceBufferNo; |
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71 }; |
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72 |
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73 /** |
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74 * Buffer waiter observer API |
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75 * |
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76 * @lib videoteleng.lib |
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77 * @since Series 60 MCL |
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78 */ |
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79 NONSHARABLE_CLASS( MVtEngNGABufferWaiterObserver ) |
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80 { |
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81 public: // New methods |
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82 |
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83 /** |
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84 * Buffer fetched without errors. |
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85 * @param aBuffer Pointer to fetched buffer. |
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86 */ |
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87 virtual void BufferReadyL( |
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88 TVTSurfaceBuffer* aBuffer ) = 0; |
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89 |
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90 /** |
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91 * Buffer fetch error. |
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92 * @param aError Error code. |
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93 */ |
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94 virtual void FetchError( TInt aError ) = 0; |
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95 }; |
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96 |
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97 |
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98 /** |
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99 * DNGA drawer |
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100 * |
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101 * @lib videoteleng.lib |
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102 * @since Series 60 MCL |
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103 */ |
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104 NONSHARABLE_CLASS( CVtEngDrawNGA ) : |
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105 public CVtEngRemoteVideo::CVtEngDraw, |
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106 public MVtEngNGABufferWaiterObserver |
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107 { |
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108 |
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109 public: // constructor and destructor |
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110 |
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111 /** |
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112 * Two-phased constructor. |
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113 * @param aObserver call back interface to Display Sink |
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114 * @return instance of CVtEngDrawDSA |
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115 */ |
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116 static CVtEngDrawNGA* NewL( MDisplaySinkObserver* aObserver ); |
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117 |
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118 // Destructor |
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119 ~CVtEngDrawNGA(); |
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120 |
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121 private: // construction |
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122 |
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123 /** |
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124 * C++ constructor as private. |
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125 * @param aObserver callback interface for Display Sink |
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126 */ |
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127 CVtEngDrawNGA( MDisplaySinkObserver* aObserver ); |
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128 |
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129 private: // from CVtEngDraw |
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130 |
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131 /** |
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132 * @see CVtEngDraw::BaseConstructL |
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133 */ |
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134 void BaseConstructL(); |
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135 |
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136 /** |
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137 * @see CVtEngDraw::CreateSinkL |
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138 */ |
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139 MDisplaySink* CreateSinkL(); |
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140 |
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141 /** |
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142 * @see CVtEngDraw::BaseRefreshL |
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143 */ |
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144 void BaseRefreshL(); |
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145 |
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146 /** |
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147 * @see CVtEngDraw::BaseRefreshBitmapsL |
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148 */ |
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149 void BaseRefreshBitmapsL(); |
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150 |
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151 /** |
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152 * @see CVtEngDraw::BaseDoCancel |
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153 */ |
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154 void BaseDoCancel(); |
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155 |
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156 /** |
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157 * @see CVtEngDraw::BaseVerifyConfigL |
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158 */ |
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159 void BaseVerifyConfigL(); |
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160 |
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161 /** |
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162 * @see CVtEngDraw::BaseRestartL |
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163 */ |
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164 void BaseRestartL(); |
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165 |
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166 /** |
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167 * @see CVtEngDraw::BaseAbortNow |
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168 */ |
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169 void BaseAbortNow(); |
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170 |
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171 /** |
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172 * @see CVtEngDraw::BaseStartDrawL |
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173 */ |
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174 void BaseStartDrawL(); |
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175 |
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176 /** |
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177 * @see CVtEngDraw::BaseStopDraw |
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178 */ |
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179 void BaseStopDraw(); |
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180 |
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181 /** |
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182 * @see CVtEngDraw::BaseSetConfigL |
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183 */ |
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184 void BaseSetConfigL( const TVtEngRenderConfig& aConfig ); |
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185 |
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186 /** |
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187 * @see CVtEngDraw::BaseSetUIForegroundL |
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188 */ |
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189 void BaseSetUIForegroundL( TBool aForeground ); |
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190 |
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191 /** |
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192 * @see CVtEngDraw::BaseVideoFrameSizeChangedL |
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193 */ |
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194 void BaseVideoFrameSizeChangedL( const TSize& ); |
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195 |
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196 /** |
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197 * @see CVtEngDraw::BaseRequestLastFrame |
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198 */ |
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199 void BaseRequestLastFrame(); |
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200 |
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201 /** |
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202 * @see CVtEngDraw::Config |
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203 */ |
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204 TVtEngRenderConfig& Config(); |
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205 |
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206 private: // New mothod |
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207 |
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208 /** |
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209 * Returns reference to sink. |
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210 */ |
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211 MDisplaySink& DisplaySink(); |
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212 |
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213 /** |
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214 * Base construct implementation |
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215 */ |
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216 void DoBaseConstructL(); |
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217 |
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218 /** |
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219 * Base start drawing implementation |
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220 */ |
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221 void DoBaseStartDrawL(); |
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222 |
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223 /** |
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224 * Sets given buffer available to display sink. |
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225 */ |
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226 void SetAvailableToSink( TVTSurfaceBuffer* aBuffer ); |
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227 |
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228 /** |
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229 * Update sink params implementation. |
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230 */ |
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231 void DoUpdateSinkParamsL(); |
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232 |
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233 /** |
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234 * Updates sink params. |
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235 */ |
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236 void UpdateSinkParamsL(); |
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237 |
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238 /** |
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239 * Create surface |
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240 */ |
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241 void CreateSurfaceL(); |
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242 |
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243 /** |
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244 * Create surface implementation |
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245 */ |
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246 void DoCreateSurfaceL(); |
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247 |
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248 /** |
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249 *clearing a surface buffer to given colour |
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250 */ |
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251 void ClearSurfacebuffer( |
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252 TUint8* aStartAddr, |
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253 TInt aOffset, |
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254 const RSurfaceManager::TSurfaceInfoV01 aInfo, |
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255 TRgb &aColor ); |
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256 |
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257 static TInt SurfaceBuffer0Ready(TAny* aAny); |
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258 |
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259 static TInt SurfaceBuffer1Ready(TAny* aAny); |
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260 |
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261 TBool DoSurfaceBuffer0Ready(); |
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262 |
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263 TBool DoSurfaceBuffer1Ready(); |
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264 |
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265 public: //from MVtEngNGABufferWaiterObserver |
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266 |
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267 /** |
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268 * @see MVtEngNGABufferWaiterObserver::BufferReadyL |
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269 */ |
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270 void BufferReadyL( TVTSurfaceBuffer* aBuffer ); |
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271 |
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272 /** |
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273 * @see MVtEngNGABufferWaiterObserver::FetchError |
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274 */ |
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275 void FetchError( TInt aError ); |
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276 |
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277 |
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278 private: |
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279 /** |
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280 * @see CActive::RunL |
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281 */ |
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282 void RunL(); |
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283 |
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284 private: // New functions |
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285 /** |
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286 * Fills TDisplaySinkParamsNGA struct |
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287 */ |
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288 void GetSinkParams( TDisplaySinkParamsNGA& aSinkParams ); |
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289 |
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290 private: //inner class |
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291 |
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292 // Buffer class for storing buffer. |
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293 NONSHARABLE_CLASS( TVtEngBuffer ) |
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294 { |
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295 public: |
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296 |
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297 /** |
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298 * C++ constructor |
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299 */ |
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300 TVtEngBuffer(); |
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301 |
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302 /** |
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303 * Sets buffer |
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304 */ |
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305 void Set( TVTSurfaceBuffer* aBuffer ); |
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306 |
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307 /** |
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308 * Unsets buffer |
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309 */ |
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310 void UnSet(); |
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311 |
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312 /** |
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313 * Returns ETrue if buffer is set |
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314 */ |
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315 TBool IsSet() const; |
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316 |
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317 /** |
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318 * Returns pointer reference to stored buffer. |
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319 */ |
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320 TVTSurfaceBuffer* &SurfaceBuffer(); |
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321 |
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322 /** |
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323 * Returns pointer reference to stored buffer. |
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324 */ |
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325 TUint8* &Buffer(); |
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326 |
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327 private: |
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328 |
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329 // Pointer's pointer to buffer |
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330 TUint8* iBuffer; |
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331 TVTSurfaceBuffer* iSurfaceBuffer; |
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332 }; |
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333 |
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334 // Waiter class for asynchronous events. |
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335 NONSHARABLE_CLASS( CVtEngBufferWaiter ) : public CActive |
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336 { |
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337 public: |
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338 |
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339 /** |
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340 * C++ constructor. |
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341 */ |
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342 CVtEngBufferWaiter( //CVideoRenderer& aVideoRenderer, |
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343 MVtEngNGABufferWaiterObserver& aObserver ); |
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344 |
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345 /** |
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346 * Destructor, frees all resources allocated by this instance. |
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347 */ |
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348 ~CVtEngBufferWaiter(); |
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349 |
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350 /** |
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351 * Fetch new buffer (also activates listening). |
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352 */ |
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353 TInt FetchBuffer(); |
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354 |
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355 /** |
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356 * One SurfaceBuffer is available |
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357 */ |
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358 void BufferAvailable(TVTSurfaceBuffer& aBuffer); |
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359 |
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360 private: // new methods |
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361 |
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362 /** |
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363 * Activate buffer listening (also calls CActive::SetActive()). |
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364 */ |
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365 void Activate(); |
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366 |
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367 private: // from CActive |
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368 |
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369 /** |
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370 * @see CActive::RunL() |
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371 */ |
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372 void RunL(); |
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373 |
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374 /** |
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375 * @see CActive::DoCancel() |
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376 */ |
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377 void DoCancel(); |
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378 |
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379 private: // data |
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380 |
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381 // Video frame renderer (not owned) |
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382 //CVideoRenderer* iVideoRenderer; |
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383 |
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384 // BufferWaiter observer who gets informed about buffers |
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385 MVtEngNGABufferWaiterObserver* iObserver; |
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386 |
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387 //Avaiable surface buffers |
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388 TVTSurfaceBuffer* iBuffers[KVtEngMaxSurfaceBuffers]; |
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389 |
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390 }; |
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391 |
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392 // Surface Buffer Active Call back. |
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393 NONSHARABLE_CLASS( CActiveCallBack ) : public CActive |
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394 { |
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395 public: |
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396 CActiveCallBack( TCallBack aCallBack, TInt aPriority): CActive(aPriority), iCallBack(aCallBack) |
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397 {}; |
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398 CActiveCallBack(); |
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399 |
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400 public: // Functions from base classes |
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401 void SetActive() |
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402 { |
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403 CActive::SetActive(); |
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404 }; |
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405 void RunL() |
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406 { |
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407 iCallBack.CallBack(); |
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408 }; |
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409 void DoCancel() |
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410 {}; |
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411 |
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412 private: // Data |
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413 TCallBack iCallBack; |
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414 }; |
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415 |
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416 private: // data |
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417 |
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418 //Video frame renderer |
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419 //CVideoRenderer *iVideoRenderer; |
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420 RSurfaceManager* iSurfaceManager; |
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421 RSurfaceUpdateSession iSurfaceUpdateSession; |
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422 //Surface pixel format |
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423 TUidPixelFormat iSurfaceFormat; |
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424 |
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425 RChunk* iSurfaceChunk; |
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426 |
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427 TInt8* iChunkBuffer0; |
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428 |
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429 TInt8* iChunkBuffer1; |
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430 |
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431 TVTSurfaceBuffer iSurfaceBuffer0; |
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432 |
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433 TVTSurfaceBuffer iSurfaceBuffer1; |
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434 |
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435 //CActiveCallBack* iSurfaceBufferAo0; |
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436 |
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437 //CActiveCallBack* iSurfaceBufferAo1; |
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438 |
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439 CActiveCallBack* iCallBackTable[KVtEngMaxSurfaceBuffers]; |
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440 |
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441 //NGA surface id |
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442 TSurfaceId iSurfaceId; |
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443 |
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444 //NGA surface has created |
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445 TBool iSurfaceCreated; |
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446 |
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447 // Buffer waiter instance |
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448 CVtEngBufferWaiter* iBufferWaiter; |
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449 |
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450 // Surface buffers |
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451 TVtEngBuffer |
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452 iSurfaceBuffers[ MDisplaySink::EFirstBitmap + KVtEngMaxSurfaceBuffers ]; |
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453 |
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454 TSglQue<TVtEngBuffer> iWaitingBuffers; // buffers waiting to be submitted |
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455 TBool iSubmitPending; |
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456 |
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457 // Configuration |
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458 TVtEngRenderConfigNGA iConfig; |
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459 |
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460 // Time stamp for surface update |
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461 TTimeStamp iTimeStamp; |
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462 }; |
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463 |
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464 #endif // CVTENGDRAWDSA_H |