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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_MEDIA_RECORDER_HANDLER_H_ | 5 #ifndef CONTENT_RENDERER_MEDIA_MEDIA_RECORDER_HANDLER_H_ |
6 #define CONTENT_RENDERER_MEDIA_MEDIA_RECORDER_HANDLER_H_ | 6 #define CONTENT_RENDERER_MEDIA_MEDIA_RECORDER_HANDLER_H_ |
7 | 7 |
8 #include "base/compiler_specific.h" | 8 #include "base/compiler_specific.h" |
9 #include "base/memory/scoped_vector.h" | 9 #include "base/memory/scoped_vector.h" |
10 #include "base/memory/weak_ptr.h" | 10 #include "base/memory/weak_ptr.h" |
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21 | 21 |
22 namespace media { | 22 namespace media { |
23 class VideoFrame; | 23 class VideoFrame; |
24 class WebmMuxer; | 24 class WebmMuxer; |
25 } // namespace media | 25 } // namespace media |
26 | 26 |
27 namespace content { | 27 namespace content { |
28 | 28 |
29 class VideoTrackRecorder; | 29 class VideoTrackRecorder; |
30 | 30 |
31 // MediaRecorderHandler orchestrates the creation, lifetime mgmt and mapping | 31 // MediaRecorderHandler orchestrates the creation, lifetime management and |
32 // between: | 32 // mapping between: |
33 // - MediaStreamTrack(s) providing data, | 33 // - MediaStreamTrack(s) providing data, |
34 // - {Audio,Video}TrackRecorders encoding that data, | 34 // - {Audio,Video}TrackRecorders encoding that data, |
35 // - a WebmMuxer class multiplexing encoded data into a WebM container, and | 35 // - a WebmMuxer class multiplexing encoded data into a WebM container, and |
36 // - a single recorder client receiving this contained data. | 36 // - a single recorder client receiving this contained data. |
37 // All methods are called on the same thread as construction and destruction, | 37 // All methods are called on the same thread as construction and destruction, |
38 // i.e. the Main Render thread. | 38 // i.e. the Main Render thread. (Note that a BindToCurrentLoop is used to |
39 // TODO(mcasas): Implement audio recording. | 39 // guarantee this, since VideoTrackRecorder sends back frames on IO thread.) |
| 40 // TODO(mcasas): http://crbug.com/528519 Implement audio recording. |
40 class CONTENT_EXPORT MediaRecorderHandler final | 41 class CONTENT_EXPORT MediaRecorderHandler final |
41 : public NON_EXPORTED_BASE(blink::WebMediaRecorderHandler) { | 42 : public NON_EXPORTED_BASE(blink::WebMediaRecorderHandler) { |
42 public: | 43 public: |
43 MediaRecorderHandler(); | 44 MediaRecorderHandler(); |
44 ~MediaRecorderHandler() override; | 45 ~MediaRecorderHandler() override; |
45 | 46 |
46 // See above, these methods should override blink::WebMediaRecorderHandler. | 47 // blink::WebMediaRecorderHandler. |
47 bool canSupportMimeType(const blink::WebString& mimeType) override; | 48 bool canSupportMimeType(const blink::WebString& mimeType) override; |
48 bool initialize(blink::WebMediaRecorderHandlerClient* client, | 49 bool initialize(blink::WebMediaRecorderHandlerClient* client, |
49 const blink::WebMediaStream& media_stream, | 50 const blink::WebMediaStream& media_stream, |
50 const blink::WebString& mimeType) override; | 51 const blink::WebString& mimeType) override; |
51 bool start() override; | 52 bool start() override; |
52 bool start(int timeslice) override; | 53 bool start(int timeslice) override; |
53 void stop() override; | 54 void stop() override; |
54 void pause() override; | 55 void pause() override; |
55 void resume() override; | 56 void resume() override; |
56 | 57 |
57 private: | 58 private: |
58 friend class MediaRecorderHandlerTest; | 59 friend class MediaRecorderHandlerTest; |
59 | 60 |
| 61 void OnEncodedVideo(const scoped_refptr<media::VideoFrame>& video_frame, |
| 62 scoped_ptr<std::string> encoded_data, |
| 63 base::TimeTicks timestamp, |
| 64 bool is_key_frame); |
60 void WriteData(const base::StringPiece& data); | 65 void WriteData(const base::StringPiece& data); |
61 | 66 |
62 void OnVideoFrameForTesting(const scoped_refptr<media::VideoFrame>& frame, | 67 void OnVideoFrameForTesting(const scoped_refptr<media::VideoFrame>& frame, |
63 const base::TimeTicks& timestamp); | 68 const base::TimeTicks& timestamp); |
64 | 69 |
65 // Bound to the main render thread. | 70 // Bound to the main render thread. |
66 base::ThreadChecker main_render_thread_checker_; | 71 base::ThreadChecker main_render_thread_checker_; |
67 | 72 |
68 bool recording_; | 73 bool recording_; |
69 blink::WebMediaStream media_stream_; // The MediaStream being recorded. | 74 blink::WebMediaStream media_stream_; // The MediaStream being recorded. |
70 | 75 |
71 // |client_| is a weak pointer, and is valid for the lifetime of this object. | 76 // |client_| is a weak pointer, and is valid for the lifetime of this object. |
72 blink::WebMediaRecorderHandlerClient* client_; | 77 blink::WebMediaRecorderHandlerClient* client_; |
73 | 78 |
74 ScopedVector<VideoTrackRecorder> video_recorders_; | 79 ScopedVector<VideoTrackRecorder> video_recorders_; |
75 | 80 |
76 // Worker class doing the actual Webm Muxing work. | 81 // Worker class doing the actual Webm Muxing work. |
77 scoped_ptr<media::WebmMuxer> webm_muxer_; | 82 scoped_ptr<media::WebmMuxer> webm_muxer_; |
78 | 83 |
79 base::WeakPtrFactory<MediaRecorderHandler> weak_factory_; | 84 base::WeakPtrFactory<MediaRecorderHandler> weak_factory_; |
80 | 85 |
81 DISALLOW_COPY_AND_ASSIGN(MediaRecorderHandler); | 86 DISALLOW_COPY_AND_ASSIGN(MediaRecorderHandler); |
82 }; | 87 }; |
83 | 88 |
84 } // namespace content | 89 } // namespace content |
85 #endif // CONTENT_RENDERER_MEDIA_MEDIA_RECORDER_HANDLER_H_ | 90 #endif // CONTENT_RENDERER_MEDIA_MEDIA_RECORDER_HANDLER_H_ |
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