1 /* 2 * Copyright (C) 2007, 2008, 2009, 2010, 2011, 2012, 2013 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 MediaPlayer_h 27 #define MediaPlayer_h 28 29 #include "platform/PlatformExport.h" 30 #include "platform/graphics/GraphicsTypes3D.h" 31 #include "public/platform/WebMediaPlayer.h" 32 #include "wtf/Forward.h" 33 #include "wtf/Noncopyable.h" 34 35 namespace blink { 36 class WebGraphicsContext3D; 37 class WebContentDecryptionModule; 38 class WebInbandTextTrack; 39 class WebLayer; 40 class WebMediaSource; 41 } 42 43 namespace WebCore { 44 45 class AudioSourceProvider; 46 class GraphicsContext; 47 class IntRect; 48 class KURL; 49 class MediaPlayer; 50 class TimeRanges; 51 52 // GL types as defined in OpenGL ES 2.0 header file gl2.h from khronos.org. 53 // That header cannot be included directly due to a conflict with NPAPI headers. 54 // See crbug.com/328085. 55 typedef unsigned GC3Denum; 56 typedef int GC3Dint; 57 58 class MediaPlayerClient { 59 public: 60 virtual ~MediaPlayerClient() { } 61 62 // the network state has changed 63 virtual void mediaPlayerNetworkStateChanged() = 0; 64 65 // the ready state has changed 66 virtual void mediaPlayerReadyStateChanged() = 0; 67 68 // time has jumped, eg. not as a result of normal playback 69 virtual void mediaPlayerTimeChanged() = 0; 70 71 // the media file duration has changed, or is now known 72 virtual void mediaPlayerDurationChanged() = 0; 73 74 // the play/pause status changed 75 virtual void mediaPlayerPlaybackStateChanged() = 0; 76 77 virtual void mediaPlayerRequestFullscreen() = 0; 78 79 virtual void mediaPlayerRequestSeek(double) = 0; 80 81 // The URL for video poster image. 82 // FIXME: Remove this when WebMediaPlayerClientImpl::loadInternal does not depend on it. 83 virtual KURL mediaPlayerPosterURL() = 0; 84 85 // Presentation-related methods 86 // a new frame of video is available 87 virtual void mediaPlayerRepaint() = 0; 88 89 // the movie size has changed 90 virtual void mediaPlayerSizeChanged() = 0; 91 92 virtual void mediaPlayerSetWebLayer(blink::WebLayer*) = 0; 93 94 virtual void mediaPlayerDidAddTextTrack(blink::WebInbandTextTrack*) = 0; 95 virtual void mediaPlayerDidRemoveTextTrack(blink::WebInbandTextTrack*) = 0; 96 97 virtual void mediaPlayerMediaSourceOpened(blink::WebMediaSource*) = 0; 98 }; 99 100 typedef PassOwnPtr<MediaPlayer> (*CreateMediaEnginePlayer)(MediaPlayerClient*); 101 102 class PLATFORM_EXPORT MediaPlayer { 103 WTF_MAKE_NONCOPYABLE(MediaPlayer); 104 public: 105 static PassOwnPtr<MediaPlayer> create(MediaPlayerClient*); 106 static void setMediaEngineCreateFunction(CreateMediaEnginePlayer); 107 108 static double invalidTime() { return -1.0; } 109 110 MediaPlayer() { } 111 virtual ~MediaPlayer() { } 112 113 virtual void load(blink::WebMediaPlayer::LoadType, const String& url, blink::WebMediaPlayer::CORSMode) = 0; 114 115 virtual void play() = 0; 116 virtual void pause() = 0; 117 118 virtual bool supportsSave() const = 0; 119 120 virtual double duration() const = 0; 121 122 virtual double currentTime() const = 0; 123 124 virtual void seek(double) = 0; 125 126 virtual bool seeking() const = 0; 127 128 virtual double rate() const = 0; 129 virtual void setRate(double) = 0; 130 131 virtual bool paused() const = 0; 132 133 virtual void setPoster(const KURL&) = 0; 134 135 enum NetworkState { Empty, Idle, Loading, Loaded, FormatError, NetworkError, DecodeError }; 136 virtual NetworkState networkState() const = 0; 137 138 virtual double maxTimeSeekable() const = 0; 139 virtual PassRefPtr<TimeRanges> buffered() const = 0; 140 141 virtual bool didLoadingProgress() const = 0; 142 143 virtual void paint(GraphicsContext*, const IntRect&) = 0; 144 virtual bool copyVideoTextureToPlatformTexture(blink::WebGraphicsContext3D*, Platform3DObject, GC3Dint, GC3Denum, GC3Denum, bool, bool) = 0; 145 146 enum Preload { None, MetaData, Auto }; 147 virtual void setPreload(Preload) = 0; 148 149 virtual bool hasSingleSecurityOrigin() const = 0; 150 151 // Time value in the movie's time scale. It is only necessary to override this if the media 152 // engine uses rational numbers to represent media time. 153 virtual double mediaTimeForTimeValue(double timeValue) const = 0; 154 155 #if ENABLE(WEB_AUDIO) 156 virtual AudioSourceProvider* audioSourceProvider() = 0; 157 #endif 158 virtual blink::WebMediaPlayer* webMediaPlayer() const = 0; 159 }; 160 161 } 162 163 #endif // MediaPlayer_h 164
