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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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