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1 /* | 1 /* |
2 * libjingle | 2 * libjingle |
3 * Copyright 2012 Google Inc. | 3 * Copyright 2012 Google Inc. |
4 * | 4 * |
5 * Redistribution and use in source and binary forms, with or without | 5 * Redistribution and use in source and binary forms, with or without |
6 * modification, are permitted provided that the following conditions are met: | 6 * modification, are permitted provided that the following conditions are met: |
7 * | 7 * |
8 * 1. Redistributions of source code must retain the above copyright notice, | 8 * 1. Redistributions of source code must retain the above copyright notice, |
9 * this list of conditions and the following disclaimer. | 9 * this list of conditions and the following disclaimer. |
10 * 2. Redistributions in binary form must reproduce the above copyright notice, | 10 * 2. Redistributions in binary form must reproduce the above copyright notice, |
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42 public: | 42 public: |
43 // Get access to the source implementation of cricket::VideoCapturer. | 43 // Get access to the source implementation of cricket::VideoCapturer. |
44 // This can be used for receiving frames and state notifications. | 44 // This can be used for receiving frames and state notifications. |
45 // But it should not be used for starting or stopping capturing. | 45 // But it should not be used for starting or stopping capturing. |
46 virtual cricket::VideoCapturer* GetVideoCapturer() = 0; | 46 virtual cricket::VideoCapturer* GetVideoCapturer() = 0; |
47 | 47 |
48 // Stop the video capturer. | 48 // Stop the video capturer. |
49 virtual void Stop() = 0; | 49 virtual void Stop() = 0; |
50 virtual void Restart() = 0; | 50 virtual void Restart() = 0; |
51 | 51 |
52 // TODO(nisse): Delete these backwards compatibility wrappers after | |
53 // chrome is updated. Needed now because chrome's MockVideoSource | |
54 // defines a method with this signature (and marked with override). | |
55 // In addition, we need a dummy default implementation for the new | |
56 // AddSink/RemoveSink methods below, because they're unimplemented | |
57 // in the same class. This is ugly, but for MockVideoSource it | |
58 // doesn't really matter what these methods do, because they're not | |
59 // used. | |
60 virtual void AddSink(cricket::VideoRenderer* output) { | |
61 AddSink(static_cast<rtc::VideoSinkInterface<cricket::VideoFrame>*>(output)); | |
62 } | |
63 virtual void RemoveSink(cricket::VideoRenderer* output) { | |
64 RemoveSink( | |
65 static_cast<rtc::VideoSinkInterface<cricket::VideoFrame>*>(output)); | |
66 } | |
67 | |
68 // Adds |output| to the source to receive frames. | 52 // Adds |output| to the source to receive frames. |
69 // TODO(nisse): Delete dummy default implementation. | 53 virtual void AddSink( |
70 virtual void AddSink(rtc::VideoSinkInterface<cricket::VideoFrame>* output){}; | 54 rtc::VideoSinkInterface<cricket::VideoFrame>* output) = 0; |
71 virtual void RemoveSink( | 55 virtual void RemoveSink( |
72 rtc::VideoSinkInterface<cricket::VideoFrame>* output){}; | 56 rtc::VideoSinkInterface<cricket::VideoFrame>* output) = 0; |
73 virtual const cricket::VideoOptions* options() const = 0; | 57 virtual const cricket::VideoOptions* options() const = 0; |
74 virtual cricket::VideoRenderer* FrameInput() = 0; | 58 virtual cricket::VideoRenderer* FrameInput() = 0; |
75 | 59 |
76 protected: | 60 protected: |
77 virtual ~VideoSourceInterface() {} | 61 virtual ~VideoSourceInterface() {} |
78 }; | 62 }; |
79 | 63 |
80 } // namespace webrtc | 64 } // namespace webrtc |
81 | 65 |
82 #endif // TALK_APP_WEBRTC_VIDEOSOURCEINTERFACE_H_ | 66 #endif // TALK_APP_WEBRTC_VIDEOSOURCEINTERFACE_H_ |
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