1 /* 2 * Copyright (C) 2007, 2008, 2009, 2010, 2011 Apple Inc. All rights reserved. 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions 6 * are met: 7 * 1. Redistributions of source code must retain the above copyright 8 * notice, this list of conditions and the following disclaimer. 9 * 2. Redistributions in binary form must reproduce the above copyright 10 * notice, this list of conditions and the following disclaimer in the 11 * documentation and/or other materials provided with the distribution. 12 * 13 * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY 14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR 17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY 21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 24 */ 25 26 #ifndef MediaPlayerPrivateQTKit_h 27 #define MediaPlayerPrivateQTKit_h 28 29 #if ENABLE(VIDEO) 30 31 #include "MediaPlayerPrivate.h" 32 #include "Timer.h" 33 #include "FloatSize.h" 34 #include <wtf/RetainPtr.h> 35 36 #ifdef __OBJC__ 37 #import <QTKit/QTTime.h> 38 @class QTMovie; 39 @class QTMovieView; 40 @class QTMovieLayer; 41 @class QTVideoRendererWebKitOnly; 42 @class WebCoreMovieObserver; 43 #else 44 class QTMovie; 45 class QTMovieView; 46 class QTTime; 47 class QTMovieLayer; 48 class QTVideoRendererWebKitOnly; 49 class WebCoreMovieObserver; 50 #endif 51 52 #ifndef DRAW_FRAME_RATE 53 #define DRAW_FRAME_RATE 0 54 #endif 55 56 namespace WebCore { 57 58 class ApplicationCacheResource; 59 60 class MediaPlayerPrivateQTKit : public MediaPlayerPrivateInterface { 61 public: 62 static void registerMediaEngine(MediaEngineRegistrar); 63 64 void repaint(); 65 void loadStateChanged(); 66 void rateChanged(); 67 void sizeChanged(); 68 void timeChanged(); 69 void didEnd(); 70 71 private: 72 MediaPlayerPrivateQTKit(MediaPlayer*); 73 ~MediaPlayerPrivateQTKit(); 74 75 // engine support 76 static MediaPlayerPrivateInterface* create(MediaPlayer* player); 77 static void getSupportedTypes(HashSet<String>& types); 78 static MediaPlayer::SupportsType supportsType(const String& type, const String& codecs); 79 static bool isAvailable(); 80 81 PlatformMedia platformMedia() const; 82 #if USE(ACCELERATED_COMPOSITING) 83 PlatformLayer* platformLayer() const; 84 #endif 85 86 IntSize naturalSize() const; 87 bool hasVideo() const; 88 bool hasAudio() const; 89 bool supportsFullscreen() const; 90 91 void load(const String& url); 92 void cancelLoad(); 93 void loadInternal(const String& url); 94 void resumeLoad(); 95 96 void play(); 97 void pause(); 98 void prepareToPlay(); 99 100 bool paused() const; 101 bool seeking() const; 102 103 float duration() const; 104 float currentTime() const; 105 void seek(float time); 106 107 void setRate(float); 108 void setVolume(float); 109 void setPreservesPitch(bool); 110 111 bool hasClosedCaptions() const; 112 void setClosedCaptionsVisible(bool); 113 114 void setPreload(MediaPlayer::Preload); 115 networkState()116 MediaPlayer::NetworkState networkState() const { return m_networkState; } readyState()117 MediaPlayer::ReadyState readyState() const { return m_readyState; } 118 119 PassRefPtr<TimeRanges> buffered() const; 120 float maxTimeSeekable() const; 121 unsigned bytesLoaded() const; 122 unsigned totalBytes() const; 123 124 void setVisible(bool); 125 void setSize(const IntSize&); 126 127 virtual bool hasAvailableVideoFrame() const; 128 129 void paint(GraphicsContext*, const IntRect&); 130 void paintCurrentFrameInContext(GraphicsContext*, const IntRect&); 131 virtual void prepareForRendering(); 132 133 134 #if USE(ACCELERATED_COMPOSITING) 135 bool supportsAcceleratedRendering() const; 136 void acceleratedRenderingStateChanged(); 137 #endif 138 139 bool hasSingleSecurityOrigin() const; 140 MediaPlayer::MovieLoadType movieLoadType() const; 141 142 void createQTMovie(const String& url); 143 void createQTMovie(NSURL *, NSDictionary *movieAttributes); 144 void createQTMovie(ApplicationCacheResource*); 145 146 enum MediaRenderingMode { MediaRenderingNone, MediaRenderingMovieView, MediaRenderingSoftwareRenderer, MediaRenderingMovieLayer }; 147 MediaRenderingMode currentRenderingMode() const; 148 MediaRenderingMode preferredRenderingMode() const; 149 150 void setUpVideoRendering(); 151 void tearDownVideoRendering(); 152 bool hasSetUpVideoRendering() const; 153 154 void createQTMovieView(); 155 void detachQTMovieView(); 156 157 enum QTVideoRendererMode { QTVideoRendererModeDefault, QTVideoRendererModeListensForNewImages }; 158 void createQTVideoRenderer(QTVideoRendererMode rendererMode); 159 void destroyQTVideoRenderer(); 160 161 void createQTMovieLayer(); 162 void destroyQTMovieLayer(); 163 164 QTTime createQTTime(float time) const; 165 166 void updateStates(); 167 void doSeek(); 168 void cancelSeek(); 169 void seekTimerFired(Timer<MediaPlayerPrivateQTKit>*); 170 float maxTimeLoaded() const; 171 void disableUnsupportedTracks(); 172 173 void sawUnsupportedTracks(); 174 void cacheMovieScale(); metaDataAvailable()175 bool metaDataAvailable() const { return m_qtMovie && m_readyState >= MediaPlayer::HaveMetadata; } 176 177 bool isReadyForVideoSetup() const; 178 179 virtual float mediaTimeForTimeValue(float) const; 180 maximumDurationToCacheMediaTime()181 virtual double maximumDurationToCacheMediaTime() const { return 5; } 182 183 virtual void setPrivateBrowsingMode(bool); 184 185 NSMutableDictionary* commonMovieAttributes(); 186 187 MediaPlayer* m_player; 188 RetainPtr<QTMovie> m_qtMovie; 189 RetainPtr<QTMovieView> m_qtMovieView; 190 RetainPtr<QTVideoRendererWebKitOnly> m_qtVideoRenderer; 191 RetainPtr<WebCoreMovieObserver> m_objcObserver; 192 String m_movieURL; 193 float m_seekTo; 194 Timer<MediaPlayerPrivateQTKit> m_seekTimer; 195 MediaPlayer::NetworkState m_networkState; 196 MediaPlayer::ReadyState m_readyState; 197 IntRect m_rect; 198 FloatSize m_scaleFactor; 199 unsigned m_enabledTrackCount; 200 unsigned m_totalTrackCount; 201 float m_reportedDuration; 202 float m_cachedDuration; 203 float m_timeToRestore; 204 RetainPtr<QTMovieLayer> m_qtVideoLayer; 205 MediaPlayer::Preload m_preload; 206 bool m_startedPlaying; 207 bool m_isStreaming; 208 bool m_visible; 209 bool m_hasUnsupportedTracks; 210 bool m_videoFrameHasDrawn; 211 bool m_delayingLoad; 212 bool m_isAllowedToRender; 213 bool m_privateBrowsing; 214 #if DRAW_FRAME_RATE 215 int m_frameCountWhilePlaying; 216 double m_timeStartedPlaying; 217 double m_timeStoppedPlaying; 218 #endif 219 mutable FloatSize m_cachedNaturalSize; 220 }; 221 222 } 223 224 #endif 225 #endif 226