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| 1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. |
| 4 |
| 5 #ifndef WEBKIT_MEDIA_WEBMEDIAPLAYER_MS_H_ |
| 6 #define WEBKIT_MEDIA_WEBMEDIAPLAYER_MS_H_ |
| 7 |
| 8 #include "base/memory/ref_counted.h" |
| 9 #include "base/memory/scoped_ptr.h" |
| 10 #include "base/memory/weak_ptr.h" |
| 11 #include "googleurl/src/gurl.h" |
| 12 #include "skia/ext/platform_canvas.h" |
| 13 #include "third_party/WebKit/Source/WebKit/chromium/public/WebMediaPlayer.h" |
| 14 #include "webkit/media/skcanvas_video_renderer.h" |
| 15 |
| 16 namespace WebKit { |
| 17 class WebFrame; |
| 18 class WebMediaPlayerClient; |
| 19 } |
| 20 |
| 21 namespace media { |
| 22 class MediaLog; |
| 23 } |
| 24 |
| 25 namespace webkit_media { |
| 26 |
| 27 class MediaStreamClient; |
| 28 class VideoFrameProvider; |
| 29 class WebMediaPlayerDelegate; |
| 30 |
| 31 // WebMediaPlayerMS delegates calls from WebCore::MediaPlayerPrivate to |
| 32 // Chrome's media player when "src" is from media stream. |
| 33 // |
| 34 // WebMediaPlayerMS works with multiple objects, the most important ones are: |
| 35 // |
| 36 // VideoFrameProvider |
| 37 // provides video frames for rendering. |
| 38 // |
| 39 // TODO(wjia): add AudioPlayer. |
| 40 // AudioPlayer |
| 41 // plays audio streams. |
| 42 // |
| 43 // WebKit::WebMediaPlayerClient |
| 44 // WebKit client of this media player object. |
| 45 // |
| 46 |
| 47 class WebMediaPlayerMS |
| 48 : public WebKit::WebMediaPlayer, |
| 49 public base::SupportsWeakPtr<WebMediaPlayerMS> { |
| 50 public: |
| 51 // Construct a WebMediaPlayerMS with reference to the client, and |
| 52 // a MediaStreamClient which provides VideoFrameProvider. |
| 53 WebMediaPlayerMS(WebKit::WebFrame* frame, |
| 54 WebKit::WebMediaPlayerClient* client, |
| 55 base::WeakPtr<WebMediaPlayerDelegate> delegate, |
| 56 MediaStreamClient* media_stream_client, |
| 57 media::MediaLog* media_log); |
| 58 virtual ~WebMediaPlayerMS(); |
| 59 |
| 60 virtual void load(const WebKit::WebURL& url, CORSMode cors_mode) OVERRIDE; |
| 61 virtual void cancelLoad() OVERRIDE; |
| 62 |
| 63 // Playback controls. |
| 64 virtual void play() OVERRIDE; |
| 65 virtual void pause() OVERRIDE; |
| 66 virtual bool supportsFullscreen() const OVERRIDE; |
| 67 virtual bool supportsSave() const OVERRIDE; |
| 68 virtual void seek(float seconds) OVERRIDE; |
| 69 virtual void setEndTime(float seconds) OVERRIDE; |
| 70 virtual void setRate(float rate) OVERRIDE; |
| 71 virtual void setVolume(float volume) OVERRIDE; |
| 72 virtual void setVisible(bool visible) OVERRIDE; |
| 73 virtual void setPreload(WebKit::WebMediaPlayer::Preload preload) OVERRIDE; |
| 74 virtual bool totalBytesKnown() OVERRIDE; |
| 75 virtual const WebKit::WebTimeRanges& buffered() OVERRIDE; |
| 76 virtual float maxTimeSeekable() const OVERRIDE; |
| 77 |
| 78 // Methods for painting. |
| 79 virtual void setSize(const WebKit::WebSize& size) OVERRIDE; |
| 80 |
| 81 virtual void paint(WebKit::WebCanvas* canvas, |
| 82 const WebKit::WebRect& rect, |
| 83 uint8_t alpha) OVERRIDE; |
| 84 |
| 85 // True if the loaded media has a playable video/audio track. |
| 86 virtual bool hasVideo() const OVERRIDE; |
| 87 virtual bool hasAudio() const OVERRIDE; |
| 88 |
| 89 // Dimensions of the video. |
| 90 virtual WebKit::WebSize naturalSize() const OVERRIDE; |
| 91 |
| 92 // Getters of playback state. |
| 93 virtual bool paused() const OVERRIDE; |
| 94 virtual bool seeking() const OVERRIDE; |
| 95 virtual float duration() const OVERRIDE; |
| 96 virtual float currentTime() const OVERRIDE; |
| 97 |
| 98 // Get rate of loading the resource. |
| 99 virtual int32 dataRate() const OVERRIDE; |
| 100 |
| 101 // Internal states of loading and network. |
| 102 virtual WebKit::WebMediaPlayer::NetworkState networkState() const OVERRIDE; |
| 103 virtual WebKit::WebMediaPlayer::ReadyState readyState() const OVERRIDE; |
| 104 |
| 105 virtual bool didLoadingProgress() const OVERRIDE; |
| 106 virtual unsigned long long totalBytes() const OVERRIDE; |
| 107 |
| 108 virtual bool hasSingleSecurityOrigin() const OVERRIDE; |
| 109 virtual bool didPassCORSAccessCheck() const OVERRIDE; |
| 110 virtual WebKit::WebMediaPlayer::MovieLoadType movieLoadType() const OVERRIDE; |
| 111 |
| 112 virtual float mediaTimeForTimeValue(float timeValue) const OVERRIDE; |
| 113 |
| 114 virtual unsigned decodedFrameCount() const OVERRIDE; |
| 115 virtual unsigned droppedFrameCount() const OVERRIDE; |
| 116 virtual unsigned audioDecodedByteCount() const OVERRIDE; |
| 117 virtual unsigned videoDecodedByteCount() const OVERRIDE; |
| 118 |
| 119 virtual WebKit::WebVideoFrame* getCurrentFrame() OVERRIDE; |
| 120 virtual void putCurrentFrame(WebKit::WebVideoFrame* web_video_frame) OVERRIDE; |
| 121 |
| 122 private: |
| 123 // The callback for VideoFrameProvider to signal a new frame is available. |
| 124 void OnFrameAvailable(const scoped_refptr<media::VideoFrame>& frame); |
| 125 // Need repaint due to state change. |
| 126 void RepaintInternal(); |
| 127 |
| 128 // The callback for source to report error. |
| 129 void OnSourceError(); |
| 130 |
| 131 // Helpers that set the network/ready state and notifies the client if |
| 132 // they've changed. |
| 133 void SetNetworkState(WebKit::WebMediaPlayer::NetworkState state); |
| 134 void SetReadyState(WebKit::WebMediaPlayer::ReadyState state); |
| 135 |
| 136 // Getter method to |client_|. |
| 137 WebKit::WebMediaPlayerClient* GetClient(); |
| 138 |
| 139 // Lets V8 know that player uses extra resources not managed by V8. |
| 140 void IncrementExternallyAllocatedMemory(); |
| 141 |
| 142 WebKit::WebFrame* frame_; |
| 143 |
| 144 WebKit::WebMediaPlayer::NetworkState network_state_; |
| 145 WebKit::WebMediaPlayer::ReadyState ready_state_; |
| 146 |
| 147 WebKit::WebTimeRanges buffered_; |
| 148 |
| 149 // Used for DCHECKs to ensure methods calls executed in the correct thread. |
| 150 base::ThreadChecker thread_checker_; |
| 151 |
| 152 WebKit::WebMediaPlayerClient* client_; |
| 153 |
| 154 base::WeakPtr<WebMediaPlayerDelegate> delegate_; |
| 155 |
| 156 MediaStreamClient* media_stream_client_; |
| 157 scoped_refptr<VideoFrameProvider> video_frame_provider_; |
| 158 bool video_frame_provider_started_; |
| 159 bool paused_; |
| 160 scoped_refptr<media::VideoFrame> current_frame_; |
| 161 bool pending_repaint_; |
| 162 bool got_first_frame_; |
| 163 base::TimeDelta start_time_; |
| 164 unsigned total_frame_count_; |
| 165 unsigned dropped_frame_count_; |
| 166 SkCanvasVideoRenderer video_renderer_; |
| 167 |
| 168 scoped_refptr<media::MediaLog> media_log_; |
| 169 |
| 170 bool incremented_externally_allocated_memory_; |
| 171 |
| 172 DISALLOW_COPY_AND_ASSIGN(WebMediaPlayerMS); |
| 173 }; |
| 174 |
| 175 } // namespace webkit_media |
| 176 |
| 177 #endif // WEBKIT_MEDIA_WEBMEDIAPLAYER_MS_H_ |
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