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Side by Side Diff: content/renderer/media/local_video_capture.h

Issue 10918052: create a separate WebMediaPlayer for URL derived from media stream (Closed) Base URL: svn://chrome-svn/chrome/trunk/src/
Patch Set: code review Created 8 years, 3 months ago
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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 CONTENT_RENDERER_MEDIA_LOCAL_VIDEO_CAPTURE_H_
6 #define CONTENT_RENDERER_MEDIA_LOCAL_VIDEO_CAPTURE_H_
7
8 #include "content/common/content_export.h"
9 #include "content/common/media/video_capture.h"
10 #include "media/video/capture/video_capture.h"
11 #include "webkit/media/video_frame_provider.h"
12
13 namespace base {
14 class MessageLoopProxy;
15 }
16
17 namespace media {
18 class VideoCaptureHandlerProxy;
19 }
20
21 class VideoCaptureImplManager;
22
23 namespace content {
24
25 // This class takes raw frames from video capture engine via VideoCaptureProxy
26 // and passes them to media player as a video frame provider.
27 // This class lives on main thread.
28 class CONTENT_EXPORT LocalVideoCapture
29 : NON_EXPORTED_BASE(public webkit_media::VideoFrameProvider),
30 public media::VideoCapture::EventHandler {
31 public:
32 LocalVideoCapture(
33 media::VideoCaptureSessionId video_stream_id,
34 VideoCaptureImplManager* vc_manager,
35 const media::VideoCaptureCapability& capability,
36 const base::Closure& error_cb,
37 const RepaintCB& repaint_cb);
38
39 // webkit_media::VideoFrameProvider implementation.
40 virtual void Start() OVERRIDE;
41 virtual void Stop() OVERRIDE;
42 virtual void Play() OVERRIDE;
43 virtual void Pause() OVERRIDE;
44
45 // VideoCapture::EventHandler implementation.
46 virtual void OnStarted(media::VideoCapture* capture) OVERRIDE;
47 virtual void OnStopped(media::VideoCapture* capture) OVERRIDE;
48 virtual void OnPaused(media::VideoCapture* capture) OVERRIDE;
49 virtual void OnError(media::VideoCapture* capture, int error_code) OVERRIDE;
50 virtual void OnRemoved(media::VideoCapture* capture) OVERRIDE;
51 virtual void OnBufferReady(
52 media::VideoCapture* capture,
53 scoped_refptr<media::VideoCapture::VideoFrameBuffer> buf) OVERRIDE;
54 virtual void OnDeviceInfoReceived(
55 media::VideoCapture* capture,
56 const media::VideoCaptureParams& device_info) OVERRIDE;
57
58 protected:
59 virtual ~LocalVideoCapture();
60
61 private:
62 friend class LocalVideoCaptureTest;
63
64 media::VideoCaptureSessionId video_stream_id_;
65 scoped_refptr<VideoCaptureImplManager> vc_manager_;
66 media::VideoCaptureCapability capability_;
67 base::Closure error_cb_;
68 RepaintCB repaint_cb_;
69 media::VideoCapture* capture_engine_;
70 scoped_refptr<base::MessageLoopProxy> message_loop_proxy_;
71 scoped_ptr<media::VideoCaptureHandlerProxy> handler_proxy_;
72 video_capture::State state_;
73
74 DISALLOW_COPY_AND_ASSIGN(LocalVideoCapture);
75 };
76
77 } // namespace content
78
79 #endif // CONTENT_RENDERER_MEDIA_LOCAL_VIDEO_CAPTURE_H_
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