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#else 39class QTTime; 40#endif 41 42OBJC_CLASS NSDictionary; 43OBJC_CLASS NSMutableDictionary; 44OBJC_CLASS QTMovie; 45OBJC_CLASS QTMovieView; 46OBJC_CLASS QTMovieLayer; 47OBJC_CLASS QTVideoRendererWebKitOnly; 48OBJC_CLASS WebCoreMovieObserver; 49 50#ifndef DRAW_FRAME_RATE 51#define DRAW_FRAME_RATE 0 52#endif 53 54namespace WebCore { 55 56class MediaPlayerPrivateQTKit : public MediaPlayerPrivateInterface { 57public: 58 ~MediaPlayerPrivateQTKit(); 59 static void registerMediaEngine(MediaEngineRegistrar); 60 61 void repaint(); 62 void loadStateChanged(); 63 void loadedRangesChanged(); 64 void rateChanged(); 65 void sizeChanged(); 66 void timeChanged(); 67 void didEnd(); 68#if USE(ACCELERATED_COMPOSITING) 69 void layerHostChanged(PlatformLayer* rootLayer); 70#endif 71 72private: 73 MediaPlayerPrivateQTKit(MediaPlayer*); 74 75 // engine support 76 static PassOwnPtr<MediaPlayerPrivateInterface> create(MediaPlayer*); 77 static void getSupportedTypes(HashSet<String>& types); 78 static MediaPlayer::SupportsType supportsType(const String& type, const String& codecs, const KURL&); 79#if ENABLE(ENCRYPTED_MEDIA) || ENABLE(ENCRYPTED_MEDIA_V2) 80 static MediaPlayer::SupportsType extendedSupportsType(const String& type, const String& codecs, const String& keySystem, const KURL&); 81#endif 82 83 static void getSitesInMediaCache(Vector<String>&); 84 static void clearMediaCache(); 85 static void clearMediaCacheForSite(const String&); 86 static bool isAvailable(); 87 88 PlatformMedia platformMedia() const; 89#if USE(ACCELERATED_COMPOSITING) 90 PlatformLayer* platformLayer() const; 91#endif 92 93 IntSize naturalSize() const; 94 bool hasVideo() const; 95 bool hasAudio() const; 96 bool supportsFullscreen() const; 97 virtual bool supportsScanning() const { return true; } 98 99 void load(const String& url); 100 void cancelLoad(); 101 void loadInternal(const String& url); 102 void resumeLoad(); 103 104 void play(); 105 void pause(); 106 void prepareToPlay(); 107 108 bool paused() const; 109 bool seeking() const; 110 111 float duration() const; 112 float currentTime() const; 113 void seek(float time); 114 115 void setRate(float); 116 void setVolume(float); 117 void setPreservesPitch(bool); 118 119 bool hasClosedCaptions() const; 120 void setClosedCaptionsVisible(bool); 121 122 void setPreload(MediaPlayer::Preload); 123 124 MediaPlayer::NetworkState networkState() const { return m_networkState; } 125 MediaPlayer::ReadyState readyState() const { return m_readyState; } 126 127 PassRefPtr<TimeRanges> buffered() const; 128 float maxTimeSeekable() const; 129 bool didLoadingProgress() const; 130 unsigned totalBytes() const; 131 132 void setVisible(bool); 133 void setSize(const IntSize&); 134 135 virtual bool hasAvailableVideoFrame() const; 136 137 void paint(GraphicsContext*, const IntRect&); 138 void paintCurrentFrameInContext(GraphicsContext*, const IntRect&); 139 virtual void prepareForRendering(); 140 141 142#if USE(ACCELERATED_COMPOSITING) 143 bool supportsAcceleratedRendering() const; 144 void acceleratedRenderingStateChanged(); 145#endif 146 147 bool hasSingleSecurityOrigin() const; 148 MediaPlayer::MovieLoadType movieLoadType() const; 149 150 void createQTMovie(const String& url); 151 void createQTMovie(NSURL *, NSDictionary *movieAttributes); 152 153 enum MediaRenderingMode { MediaRenderingNone, MediaRenderingMovieView, MediaRenderingSoftwareRenderer, MediaRenderingMovieLayer }; 154 MediaRenderingMode currentRenderingMode() const; 155 MediaRenderingMode preferredRenderingMode() const; 156 157 void setUpVideoRendering(); 158 void tearDownVideoRendering(); 159 bool hasSetUpVideoRendering() const; 160 161 void createQTMovieView(); 162 void detachQTMovieView(); 163 164 enum QTVideoRendererMode { QTVideoRendererModeDefault, QTVideoRendererModeListensForNewImages }; 165 void createQTVideoRenderer(QTVideoRendererMode rendererMode); 166 void destroyQTVideoRenderer(); 167 168 void createQTMovieLayer(); 169 void destroyQTMovieLayer(); 170 171 QTTime createQTTime(float time) const; 172 173 void updateStates(); 174 void doSeek(); 175 void cancelSeek(); 176 void seekTimerFired(Timer<MediaPlayerPrivateQTKit>*); 177 float maxTimeLoaded() const; 178 void disableUnsupportedTracks(); 179 180 void sawUnsupportedTracks(); 181 void cacheMovieScale(); 182 bool metaDataAvailable() const { return m_qtMovie && m_readyState >= MediaPlayer::HaveMetadata; } 183 184 bool isReadyForVideoSetup() const; 185 186 virtual float mediaTimeForTimeValue(float) const; 187 188 virtual double maximumDurationToCacheMediaTime() const { return 5; } 189 190 virtual void setPrivateBrowsingMode(bool); 191 192 NSMutableDictionary* commonMovieAttributes(); 193 194 virtual String engineDescription() const { return "QTKit"; } 195 196 MediaPlayer* m_player; 197 RetainPtr<QTMovie> m_qtMovie; 198 RetainPtr<QTMovieView> m_qtMovieView; 199 RetainPtr<QTVideoRendererWebKitOnly> m_qtVideoRenderer; 200 RetainPtr<WebCoreMovieObserver> m_objcObserver; 201 String m_movieURL; 202 float m_seekTo; 203 Timer<MediaPlayerPrivateQTKit> m_seekTimer; 204 MediaPlayer::NetworkState m_networkState; 205 MediaPlayer::ReadyState m_readyState; 206 IntRect m_rect; 207 FloatSize m_scaleFactor; 208 unsigned m_enabledTrackCount; 209 unsigned m_totalTrackCount; 210 float m_reportedDuration; 211 float m_cachedDuration; 212 float m_timeToRestore; 213 RetainPtr<QTMovieLayer> m_qtVideoLayer; 214 MediaPlayer::Preload m_preload; 215 bool m_startedPlaying; 216 bool m_isStreaming; 217 bool m_visible; 218 bool m_hasUnsupportedTracks; 219 bool m_videoFrameHasDrawn; 220 bool m_isAllowedToRender; 221 bool m_privateBrowsing; 222 mutable float m_maxTimeLoadedAtLastDidLoadingProgress; 223#if DRAW_FRAME_RATE 224 int m_frameCountWhilePlaying; 225 double m_timeStartedPlaying; 226 double m_timeStoppedPlaying; 227#endif 228 mutable FloatSize m_cachedNaturalSize; 229}; 230 231} 232 233#endif 234#endif 235