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1 // Copyright 2013 The Chromium Authors. All rights reserved. | 1 // Copyright 2013 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 WEBKIT_RENDERER_MEDIA_VIDEO_FRAME_PROVIDER_H_ | 5 #ifndef CONTENT_RENDERER_PUBLIC_VIDEO_FRAME_PROVIDER_H_ |
6 #define WEBKIT_RENDERER_MEDIA_VIDEO_FRAME_PROVIDER_H_ | 6 #define CONTENT_RENDERER_PUBLIC_VIDEO_FRAME_PROVIDER_H_ |
7 | 7 |
8 #include "base/callback.h" | 8 #include "base/callback.h" |
9 #include "base/memory/ref_counted.h" | 9 #include "base/memory/ref_counted.h" |
10 #include "content/common/content_export.h" | |
10 | 11 |
11 namespace media { | 12 namespace media { |
12 class VideoFrame; | 13 class VideoFrame; |
13 } | 14 } |
14 | 15 |
15 namespace webkit_media { | 16 namespace content { |
16 | 17 |
17 // Define an interface to provide a sequence of video frames to clients. | 18 // Define an interface to provide a sequence of video frames to clients. |
18 // TODO(wjia): remove ref count. | 19 // TODO(wjia): remove ref count. |
19 class VideoFrameProvider | 20 class CONTENT_EXPORT VideoFrameProvider |
scherkus (not reviewing)
2013/06/28 06:04:41
FYI now a public content interface
| |
20 : public base::RefCountedThreadSafe<VideoFrameProvider> { | 21 : public base::RefCountedThreadSafe<VideoFrameProvider> { |
21 public: | 22 public: |
22 typedef base::Callback<void(const scoped_refptr<media::VideoFrame>&)> | 23 typedef base::Callback<void(const scoped_refptr<media::VideoFrame>&)> |
23 RepaintCB; | 24 RepaintCB; |
24 | 25 |
25 // Start to provide video frames to the caller. | 26 // Start to provide video frames to the caller. |
26 virtual void Start() = 0; | 27 virtual void Start() = 0; |
27 | 28 |
28 // Stop to provide video frames to the caller. | 29 // Stop to provide video frames to the caller. |
29 virtual void Stop() = 0; | 30 virtual void Stop() = 0; |
30 | 31 |
31 // Resume to provide video frames to the caller after being paused. | 32 // Resume to provide video frames to the caller after being paused. |
32 virtual void Play() = 0; | 33 virtual void Play() = 0; |
33 | 34 |
34 // Put the provider in pause state and the caller will not receive video | 35 // Put the provider in pause state and the caller will not receive video |
35 // frames, but the provider might still generate video frames which are | 36 // frames, but the provider might still generate video frames which are |
36 // thrown away. | 37 // thrown away. |
37 virtual void Pause() = 0; | 38 virtual void Pause() = 0; |
38 | 39 |
39 protected: | 40 protected: |
40 friend class base::RefCountedThreadSafe<VideoFrameProvider>; | 41 friend class base::RefCountedThreadSafe<VideoFrameProvider>; |
41 VideoFrameProvider(); | 42 VideoFrameProvider(); |
42 virtual ~VideoFrameProvider(); | 43 virtual ~VideoFrameProvider(); |
43 | 44 |
44 private: | 45 private: |
45 DISALLOW_COPY_AND_ASSIGN(VideoFrameProvider); | 46 DISALLOW_COPY_AND_ASSIGN(VideoFrameProvider); |
46 }; | 47 }; |
47 | 48 |
48 } // namespace webkit_media | 49 } // namespace content |
49 | 50 |
50 #endif // WEBKIT_RENDERER_MEDIA_VIDEO_FRAME_PROVIDER_H_ | 51 #endif // CONTENT_RENDERER_PUBLIC_VIDEO_FRAME_PROVIDER_H_ |
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