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| 1 /* | 1 /* |
| 2 * Copyright (C) 2009 Google Inc. All rights reserved. | 2 * Copyright (C) 2009 Google Inc. All rights reserved. |
| 3 * | 3 * |
| 4 * Redistribution and use in source and binary forms, with or without | 4 * Redistribution and use in source and binary forms, with or without |
| 5 * modification, are permitted provided that the following conditions are | 5 * modification, are permitted provided that the following conditions are |
| 6 * met: | 6 * met: |
| 7 * | 7 * |
| 8 * * Redistributions of source code must retain the above copyright | 8 * * Redistributions of source code must retain the above copyright |
| 9 * notice, this list of conditions and the following disclaimer. | 9 * notice, this list of conditions and the following disclaimer. |
| 10 * * Redistributions in binary form must reproduce the above | 10 * * Redistributions in binary form must reproduce the above |
| (...skipping 10 matching lines...) Expand all Loading... |
| 21 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT | 21 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| 22 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | 22 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| 23 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT | 23 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| 24 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | 24 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| 25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | 25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| 26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | 26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| 27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | 27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| 28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | 28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 29 */ | 29 */ |
| 30 | 30 |
| 31 #ifndef WebMediaPlayer_h | 31 #include "public/platform/WebMediaPlayer.h" |
| 32 #define WebMediaPlayer_h | |
| 33 | |
| 34 #include "../platform/WebCanvas.h" | |
| 35 #include "../platform/WebMediaSource.h" | |
| 36 #include "../platform/WebString.h" | |
| 37 #include "../platform/WebTimeRange.h" | |
| 38 | |
| 39 namespace blink { | |
| 40 | |
| 41 class WebAudioSourceProvider; | |
| 42 class WebAudioSourceProviderClient; | |
| 43 class WebMediaPlayerClient; | |
| 44 class WebString; | |
| 45 class WebURL; | |
| 46 struct WebRect; | |
| 47 struct WebSize; | |
| 48 class WebGraphicsContext3D; | |
| 49 | |
| 50 class WebMediaPlayer { | |
| 51 public: | |
| 52 enum NetworkState { | |
| 53 NetworkStateEmpty, | |
| 54 NetworkStateIdle, | |
| 55 NetworkStateLoading, | |
| 56 NetworkStateLoaded, | |
| 57 NetworkStateFormatError, | |
| 58 NetworkStateNetworkError, | |
| 59 NetworkStateDecodeError, | |
| 60 }; | |
| 61 | |
| 62 enum ReadyState { | |
| 63 ReadyStateHaveNothing, | |
| 64 ReadyStateHaveMetadata, | |
| 65 ReadyStateHaveCurrentData, | |
| 66 ReadyStateHaveFutureData, | |
| 67 ReadyStateHaveEnoughData, | |
| 68 }; | |
| 69 | |
| 70 enum Preload { | |
| 71 PreloadNone, | |
| 72 PreloadMetaData, | |
| 73 PreloadAuto, | |
| 74 }; | |
| 75 | |
| 76 // Represents synchronous exceptions that can be thrown from the Encrypted | |
| 77 // Media methods. This is different from the asynchronous MediaKeyError. | |
| 78 enum MediaKeyException { | |
| 79 MediaKeyExceptionNoError, | |
| 80 MediaKeyExceptionInvalidPlayerState, | |
| 81 MediaKeyExceptionKeySystemNotSupported, | |
| 82 }; | |
| 83 | |
| 84 enum CORSMode { | |
| 85 CORSModeUnspecified, | |
| 86 CORSModeAnonymous, | |
| 87 CORSModeUseCredentials, | |
| 88 }; | |
| 89 | |
| 90 enum LoadType { | |
| 91 LoadTypeURL, | |
| 92 LoadTypeMediaSource, | |
| 93 LoadTypeMediaStream, | |
| 94 }; | |
| 95 | |
| 96 virtual ~WebMediaPlayer() { } | |
| 97 | |
| 98 virtual void load(LoadType, const WebURL&, CORSMode) = 0; | |
| 99 | |
| 100 // Playback controls. | |
| 101 virtual void play() = 0; | |
| 102 virtual void pause() = 0; | |
| 103 virtual bool supportsFullscreen() const = 0; | |
| 104 virtual bool supportsSave() const = 0; | |
| 105 virtual void seek(double seconds) = 0; | |
| 106 virtual void setRate(double rate) = 0; | |
| 107 virtual void setVolume(double volume) = 0; | |
| 108 virtual void setPreload(Preload) { }; | |
| 109 virtual const WebTimeRanges& buffered() = 0; | |
| 110 virtual double maxTimeSeekable() const = 0; | |
| 111 | |
| 112 virtual void paint(WebCanvas*, const WebRect&, unsigned char alpha) = 0; | |
| 113 | |
| 114 // True if the loaded media has a playable video/audio track. | |
| 115 virtual bool hasVideo() const = 0; | |
| 116 virtual bool hasAudio() const = 0; | |
| 117 | |
| 118 // Dimension of the video. | |
| 119 virtual WebSize naturalSize() const = 0; | |
| 120 | |
| 121 // Getters of playback state. | |
| 122 virtual bool paused() const = 0; | |
| 123 virtual bool seeking() const = 0; | |
| 124 virtual double duration() const = 0; | |
| 125 virtual double currentTime() const = 0; | |
| 126 | |
| 127 // Internal states of loading and network. | |
| 128 virtual NetworkState networkState() const = 0; | |
| 129 virtual ReadyState readyState() const = 0; | |
| 130 | |
| 131 virtual bool didLoadingProgress() const = 0; | |
| 132 | |
| 133 virtual bool hasSingleSecurityOrigin() const = 0; | |
| 134 virtual bool didPassCORSAccessCheck() const = 0; | |
| 135 | |
| 136 virtual double mediaTimeForTimeValue(double timeValue) const = 0; | |
| 137 | |
| 138 virtual unsigned decodedFrameCount() const = 0; | |
| 139 virtual unsigned droppedFrameCount() const = 0; | |
| 140 virtual unsigned corruptedFrameCount() const { return 0; }; | |
| 141 virtual unsigned audioDecodedByteCount() const = 0; | |
| 142 virtual unsigned videoDecodedByteCount() const = 0; | |
| 143 | |
| 144 // Do a GPU-GPU textures copy if possible. | |
| 145 virtual bool copyVideoTextureToPlatformTexture(WebGraphicsContext3D*, unsign
ed texture, unsigned level, unsigned internalFormat, unsigned type, bool premult
iplyAlpha, bool flipY) { return false; } | |
| 146 | |
| 147 virtual WebAudioSourceProvider* audioSourceProvider() { return 0; } | |
| 148 | |
| 149 // Returns whether keySystem is supported. If true, the result will be | |
| 150 // reported by an event. | |
| 151 virtual MediaKeyException generateKeyRequest(const WebString& keySystem, con
st unsigned char* initData, unsigned initDataLength) { return MediaKeyExceptionK
eySystemNotSupported; } | |
| 152 virtual MediaKeyException addKey(const WebString& keySystem, const unsigned
char* key, unsigned keyLength, const unsigned char* initData, unsigned initDataL
ength, const WebString& sessionId) { return MediaKeyExceptionKeySystemNotSupport
ed; } | |
| 153 virtual MediaKeyException cancelKeyRequest(const WebString& keySystem, const
WebString& sessionId) { return MediaKeyExceptionKeySystemNotSupported; } | |
| 154 | |
| 155 // Instruct WebMediaPlayer to enter/exit fullscreen. | |
| 156 virtual void enterFullscreen() { } | |
| 157 virtual void exitFullscreen() { } | |
| 158 // Returns true if the player can enter fullscreen. | |
| 159 virtual bool canEnterFullscreen() const { return false; } | |
| 160 }; | |
| 161 | |
| 162 } // namespace blink | |
| 163 | |
| 164 #endif | |
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