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1 // Copyright 2016 The Chromium Authors. All rights reserved. | 1 // Copyright 2016 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 MEDIA_AUDIO_AUDIO_OUTPUT_DELEGATE_H_ | 5 #ifndef MEDIA_AUDIO_AUDIO_OUTPUT_DELEGATE_H_ |
6 #define MEDIA_AUDIO_AUDIO_OUTPUT_DELEGATE_H_ | 6 #define MEDIA_AUDIO_AUDIO_OUTPUT_DELEGATE_H_ |
7 | 7 |
8 #include <memory> | 8 #include <memory> |
9 #include <string> | 9 #include <string> |
10 | 10 |
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25 public: | 25 public: |
26 // An AudioOutputDelegate must not call back to its EventHandler in its | 26 // An AudioOutputDelegate must not call back to its EventHandler in its |
27 // constructor. | 27 // constructor. |
28 class MEDIA_EXPORT EventHandler { | 28 class MEDIA_EXPORT EventHandler { |
29 public: | 29 public: |
30 EventHandler(); | 30 EventHandler(); |
31 virtual ~EventHandler(); | 31 virtual ~EventHandler(); |
32 | 32 |
33 // Called when construction is finished and the stream is ready for | 33 // Called when construction is finished and the stream is ready for |
34 // playout. | 34 // playout. |
35 virtual void OnStreamCreated(int stream_id, | 35 virtual void OnStreamCreated( |
36 base::SharedMemory* shared_memory, | 36 int stream_id, |
37 base::CancelableSyncSocket* socket) = 0; | 37 base::SharedMemory* shared_memory, |
| 38 std::unique_ptr<base::CancelableSyncSocket> socket) = 0; |
38 | 39 |
39 // Called if stream encounters an error and has become unusable. | 40 // Called if stream encounters an error and has become unusable. |
40 virtual void OnStreamError(int stream_id) = 0; | 41 virtual void OnStreamError(int stream_id) = 0; |
41 }; | 42 }; |
42 | 43 |
43 AudioOutputDelegate(); | 44 AudioOutputDelegate(); |
44 virtual ~AudioOutputDelegate(); | 45 virtual ~AudioOutputDelegate(); |
45 | 46 |
46 // TODO(maxmorin): Remove GetController() when crbug.com/647185 is closed. | 47 // TODO(maxmorin): Remove GetController() when crbug.com/647185 is closed. |
47 // This function is used to provide control of the audio stream to | 48 // This function is used to provide control of the audio stream to |
48 // WebrtcAudioPrivateGetActiveSinkFunction and others in the webrtc extension | 49 // WebrtcAudioPrivateGetActiveSinkFunction and others in the webrtc extension |
49 // API. Since the controller is shared, this means that it might outlive the | 50 // API. Since the controller is shared, this means that it might outlive the |
50 // AudioOutputDelegate. In this case, it is still safe to call functions on | 51 // AudioOutputDelegate. In this case, it is still safe to call functions on |
51 // the controller, but it will not do anything. The controller is also shared | 52 // the controller, but it will not do anything. The controller is also shared |
52 // with AudioStreamMonitor. | 53 // with AudioStreamMonitor. |
53 virtual scoped_refptr<AudioOutputController> GetController() const = 0; | 54 virtual scoped_refptr<AudioOutputController> GetController() const = 0; |
54 virtual int GetStreamId() const = 0; | 55 virtual int GetStreamId() const = 0; |
55 | 56 |
56 // Stream control: | 57 // Stream control: |
57 virtual void OnPlayStream() = 0; | 58 virtual void OnPlayStream() = 0; |
58 virtual void OnPauseStream() = 0; | 59 virtual void OnPauseStream() = 0; |
59 virtual void OnSetVolume(double volume) = 0; | 60 virtual void OnSetVolume(double volume) = 0; |
60 }; | 61 }; |
61 | 62 |
62 } // namespace media | 63 } // namespace media |
63 | 64 |
64 #endif // MEDIA_AUDIO_AUDIO_OUTPUT_DELEGATE_H_ | 65 #endif // MEDIA_AUDIO_AUDIO_OUTPUT_DELEGATE_H_ |
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