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1 /* |
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2 * Copyright (c) 2002-2009 Nokia Corporation and/or its subsidiary(-ies). |
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3 * All rights reserved. |
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4 * This component and the accompanying materials are made available |
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5 * under the terms of "Eclipse Public License v1.0" |
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6 * which accompanies this distribution, and is available |
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7 * at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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8 * |
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9 * Initial Contributors: |
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10 * Nokia Corporation - initial contribution. |
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11 * |
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12 * Contributors: |
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13 * |
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14 * Description: This class is used for playing animated images. |
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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 CMMAANIMATIONPLAYER_H |
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20 #define CMMAANIMATIONPLAYER_H |
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21 |
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22 // INCLUDES |
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23 #include <w32std.h> |
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24 #include "cmmaplayer.h" |
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25 #include "mmmaguiplayer.h" |
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26 #include "mmmasnapshot.h" |
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27 #include "rmmatempfile.h" |
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28 #include "MIHLViewerObserver.h" |
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29 #include "MIHLImageViewer.h" |
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30 |
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31 // FORWARD DECLARATIONS |
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32 class CMMAEventSource; |
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33 class CMMAAnimationWindow; |
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34 class MIHLFileImage; |
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35 class MIHLBitmap; |
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36 class CFbsBitmap; |
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37 |
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38 // CONSTANTS |
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39 _LIT(KMMAVideoPlayer, "VideoPlayer"); |
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40 |
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41 NONSHARABLE_CLASS(MMMAAnimationObserver) |
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42 { |
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43 public: // new methods |
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44 /** |
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45 * Listener for animation advancing |
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46 * @param aFrame current frame |
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47 * @param aMediaTime current media time |
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48 */ |
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49 virtual void AnimationAdvancedL(TInt aFrame, TInt64 aMediaTime) = 0; |
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50 }; |
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51 |
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52 // CLASS DECLARATION |
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53 /** |
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54 * This class is used for playing animated images. |
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55 * |
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56 */ |
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57 NONSHARABLE_CLASS(CMMAAnimationPlayer): public CMMAPlayer, |
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58 public MMMAGuiPlayer, |
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59 public MMMASnapshot, |
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60 public MIHLViewerObserver |
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61 { |
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62 public: // Construction |
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63 static CMMAAnimationPlayer* NewLC(); |
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64 static CMMAAnimationPlayer* NewLC(const TDesC& aFileName); |
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65 |
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66 // Destructor |
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67 ~CMMAAnimationPlayer(); |
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68 |
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69 protected: |
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70 // C++ constructor |
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71 CMMAAnimationPlayer(); |
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72 void ConstructL(); |
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73 |
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74 public: // from CMMAPlayer |
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75 void SetPlayerListenerObjectL(jobject aListenerObject, |
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76 JNIEnv* aJni, |
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77 MMMAEventPoster* aEventPoster); |
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78 void RealizeL(); |
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79 void PrefetchL(); |
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80 void StartL(TBool aPostEvent); |
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81 void StopL(TBool aPostEvent); |
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82 void DeallocateL(); |
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83 void GetDuration(TInt64* aDuration); |
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84 const TDesC& Type(); |
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85 void SetMediaTimeL(TInt64* aTime); |
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86 void GetMediaTime(TInt64* aMediaTime); |
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87 |
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88 public: // from CMMAPlayer/MMMASourceStreamListener |
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89 void ReadCompletedL(TInt aStatus, const TDesC8& aData); |
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90 |
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91 public: // new methods |
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92 void PrefetchFileL(); |
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93 void PrefetchDataL(const TDesC8& aData); |
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94 |
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95 /** |
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96 * Check whether this player is playing from a file locator |
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97 * @return ETrue if is a file player, EFalse otherwise |
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98 */ |
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99 TBool IsFilePlayer(); |
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100 |
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101 // Finds current frame for given media time |
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102 TInt FindFrame(TInt64 aTime); |
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103 |
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104 // Calculates media time for specified frame |
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105 TInt64 MediaTimeForFrame(TInt aFrameIndex); |
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106 |
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107 // Frame duration of specified frame |
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108 TTimeIntervalMicroSeconds32 FrameDuration(TInt aFrameIndex); |
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109 |
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110 MIHLImageViewer* Viewer(); |
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111 |
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112 // Setter for frame listener, used for stop time control |
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113 void SetAnimationObserver(MMMAAnimationObserver* aAnimationObserver); |
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114 |
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115 /** |
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116 * @param aRate Rate to set in "milli-percentage".. |
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117 * @return Actual rate set. |
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118 */ |
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119 TInt SetRateL(TInt aRate); |
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120 |
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121 /** |
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122 * @return The current playback rate in "milli-percentage". |
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123 */ |
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124 TInt RateL(); |
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125 |
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126 private: // new methods |
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127 void PrepareViewerL(); |
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128 void ProcessCurrentFrameL(); |
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129 |
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130 public: // From MMMAGuiPlayer |
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131 void SetDisplayL(MMMADisplay* aDisplay); |
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132 TSize SourceSize(); |
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133 void NotifyWithStringEvent(CMMAPlayerEvent::TEventType aEventType, |
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134 const TDesC& aStringEventData); |
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135 |
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136 MMMASnapshot* SnapshoterL(); |
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137 |
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138 public: // From MMMASnapshot |
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139 MMMASnapshot::TEncoding TakeSnapshotL(TRequestStatus* aStatus, |
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140 const TSize& aSize, |
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141 const CMMAImageSettings& aSettings); |
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142 CFbsBitmap* SnapshotBitmap(); |
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143 HBufC8* SnapshotEncoded(); |
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144 |
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145 public: // From MIHLViewerObserver |
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146 virtual void ViewerBitmapChangedL(); |
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147 virtual void ViewerError(TInt aError); |
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148 |
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149 private: // Data |
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150 |
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151 /** |
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152 * Display to draw animation. |
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153 */ |
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154 MMMADisplay* iDisplay; |
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155 |
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156 /** |
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157 * Window to draw animation. |
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158 */ |
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159 CMMAAnimationWindow* iWindow; |
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160 |
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161 /** |
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162 * Dimensions of animation. |
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163 */ |
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164 TSize iSourceSize; |
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165 |
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166 /** |
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167 * Animated image to play. Owned. |
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168 */ |
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169 MIHLFileImage* iImage; |
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170 |
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171 /** |
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172 * Destination bitmap for animation. Owned. |
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173 */ |
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174 MIHLBitmap* iBitmap; |
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175 |
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176 /** |
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177 * Animation viewer. Owned. |
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178 */ |
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179 MIHLImageViewer* iViewer; |
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180 |
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181 /** |
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182 * Bitmap for snapshot. Ownership is transferred for |
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183 * snapshot requester, but owned if not null. |
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184 */ |
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185 CFbsBitmap* iSnapshotBitmap; |
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186 |
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187 /** |
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188 * File system session for IHL interfacing |
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189 */ |
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190 RFs iFSession; |
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191 |
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192 /** |
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193 * Animation frame count. Held locally for optimization. |
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194 */ |
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195 TInt iFrameCount; |
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196 |
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197 /** |
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198 * Possible file name, owned |
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199 */ |
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200 HBufC* iFileName; |
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201 |
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202 /** |
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203 * Current Media Time |
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204 */ |
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205 TInt64 iMediaTime; |
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206 |
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207 /** |
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208 * Animation listener |
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209 */ |
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210 MMMAAnimationObserver* iAnimationObserver; |
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211 |
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212 /** |
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213 * Current rate |
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214 */ |
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215 TInt iCurrentRate; |
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216 |
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217 /** |
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218 * Hold the information whether playback should be started |
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219 * from beginning on next start or from current position |
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220 */ |
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221 TBool iEndReached; |
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222 |
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223 /** |
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224 * EndOfMedia will be delivered when next frame arrives if |
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225 * iSendEndOfMediaOnNextFrame is true |
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226 */ |
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227 TBool iSendEndOfMediaOnNextFrame; |
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228 }; |
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229 |
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230 #endif // CMMAANIMATIONPLAYER_H |