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1 // Copyright 2015 The Chromium Authors. All rights reserved. | 1 // Copyright 2015 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #ifndef CONTENT_RENDERER_MEDIA_CAPTURE_FROM_ELEMENT_HTML_VIDEO_ELEMENT_CAPTURER_
SOURCE_H_ | 5 #ifndef CONTENT_RENDERER_MEDIA_CAPTURE_FROM_ELEMENT_HTML_VIDEO_ELEMENT_CAPTURER_
SOURCE_H_ |
6 #define CONTENT_RENDERER_MEDIA_CAPTURE_FROM_ELEMENT_HTML_VIDEO_ELEMENT_CAPTURER_
SOURCE_H_ | 6 #define CONTENT_RENDERER_MEDIA_CAPTURE_FROM_ELEMENT_HTML_VIDEO_ELEMENT_CAPTURER_
SOURCE_H_ |
7 | 7 |
8 #include "base/callback.h" | 8 #include "base/callback.h" |
9 #include "base/memory/weak_ptr.h" | 9 #include "base/memory/weak_ptr.h" |
10 #include "base/threading/thread_checker.h" | 10 #include "base/threading/thread_checker.h" |
11 #include "base/time/time.h" | 11 #include "base/time/time.h" |
| 12 #include "cc/paint/paint_surface.h" |
12 #include "content/common/content_export.h" | 13 #include "content/common/content_export.h" |
13 #include "media/base/video_frame_pool.h" | 14 #include "media/base/video_frame_pool.h" |
14 #include "media/base/video_types.h" | 15 #include "media/base/video_types.h" |
15 #include "media/capture/video_capturer_source.h" | 16 #include "media/capture/video_capturer_source.h" |
16 #include "third_party/WebKit/public/platform/WebSize.h" | 17 #include "third_party/WebKit/public/platform/WebSize.h" |
17 #include "third_party/skia/include/core/SkBitmap.h" | |
18 #include "third_party/skia/include/core/SkRefCnt.h" | 18 #include "third_party/skia/include/core/SkRefCnt.h" |
19 | 19 |
20 namespace base{ | 20 namespace base{ |
21 class SingleThreadTaskRunner; | 21 class SingleThreadTaskRunner; |
22 } | 22 } |
23 | 23 |
24 namespace blink { | 24 namespace blink { |
25 class WebMediaPlayer; | 25 class WebMediaPlayer; |
26 } // namespace blink | 26 } // namespace blink |
27 | 27 |
28 namespace cc { | |
29 class PaintCanvas; | |
30 } // namespace cc | |
31 | |
32 namespace content { | 28 namespace content { |
33 | 29 |
34 // This class is a VideoCapturerSource taking video snapshots of the ctor-passed | 30 // This class is a VideoCapturerSource taking video snapshots of the ctor-passed |
35 // blink::WebMediaPlayer on Render Main thread. The captured data is converted | 31 // blink::WebMediaPlayer on Render Main thread. The captured data is converted |
36 // and sent back to |io_task_runner_| via the registered |new_frame_callback_|. | 32 // and sent back to |io_task_runner_| via the registered |new_frame_callback_|. |
37 class CONTENT_EXPORT HtmlVideoElementCapturerSource final | 33 class CONTENT_EXPORT HtmlVideoElementCapturerSource final |
38 : public media::VideoCapturerSource { | 34 : public media::VideoCapturerSource { |
39 public: | 35 public: |
40 static std::unique_ptr<HtmlVideoElementCapturerSource> | 36 static std::unique_ptr<HtmlVideoElementCapturerSource> |
41 CreateFromWebMediaPlayerImpl( | 37 CreateFromWebMediaPlayerImpl( |
(...skipping 15 matching lines...) Expand all Loading... |
57 const VideoCaptureDeliverFrameCB& new_frame_callback, | 53 const VideoCaptureDeliverFrameCB& new_frame_callback, |
58 const RunningCallback& running_callback) override; | 54 const RunningCallback& running_callback) override; |
59 void StopCapture() override; | 55 void StopCapture() override; |
60 | 56 |
61 private: | 57 private: |
62 // This method includes collecting data from the WebMediaPlayer and converting | 58 // This method includes collecting data from the WebMediaPlayer and converting |
63 // it into a format suitable for MediaStreams. | 59 // it into a format suitable for MediaStreams. |
64 void sendNewFrame(); | 60 void sendNewFrame(); |
65 | 61 |
66 media::VideoFramePool frame_pool_; | 62 media::VideoFramePool frame_pool_; |
67 SkBitmap bitmap_; | 63 sk_sp<cc::PaintSurface> surface_; |
68 std::unique_ptr<cc::PaintCanvas> canvas_; | |
69 | 64 |
70 const base::WeakPtr<blink::WebMediaPlayer> web_media_player_; | 65 const base::WeakPtr<blink::WebMediaPlayer> web_media_player_; |
71 const scoped_refptr<base::SingleThreadTaskRunner> io_task_runner_; | 66 const scoped_refptr<base::SingleThreadTaskRunner> io_task_runner_; |
72 | 67 |
73 // These three configuration items are passed on StartCapture(); | 68 // These three configuration items are passed on StartCapture(); |
74 RunningCallback running_callback_; | 69 RunningCallback running_callback_; |
75 VideoCaptureDeliverFrameCB new_frame_callback_; | 70 VideoCaptureDeliverFrameCB new_frame_callback_; |
76 double capture_frame_rate_; | 71 double capture_frame_rate_; |
77 | 72 |
78 // Target time for the next frame. | 73 // Target time for the next frame. |
79 base::TimeTicks next_capture_time_; | 74 base::TimeTicks next_capture_time_; |
80 | 75 |
81 // Bound to the main render thread. | 76 // Bound to the main render thread. |
82 base::ThreadChecker thread_checker_; | 77 base::ThreadChecker thread_checker_; |
83 | 78 |
84 // Used on main render thread to schedule future capture events. | 79 // Used on main render thread to schedule future capture events. |
85 base::WeakPtrFactory<HtmlVideoElementCapturerSource> weak_factory_; | 80 base::WeakPtrFactory<HtmlVideoElementCapturerSource> weak_factory_; |
86 | 81 |
87 DISALLOW_COPY_AND_ASSIGN(HtmlVideoElementCapturerSource); | 82 DISALLOW_COPY_AND_ASSIGN(HtmlVideoElementCapturerSource); |
88 }; | 83 }; |
89 | 84 |
90 } // namespace content | 85 } // namespace content |
91 | 86 |
92 #endif // CONTENT_RENDERER_MEDIA_CAPTURE_FROM_ELEMENT_HTML_VIDEO_ELEMENT_CAPTUR
ER_SOURCE_H_ | 87 #endif // CONTENT_RENDERER_MEDIA_CAPTURE_FROM_ELEMENT_HTML_VIDEO_ELEMENT_CAPTUR
ER_SOURCE_H_ |
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