OLD | NEW |
1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 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 | 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_NULL_AUDIO_SINK_H_ | 5 #ifndef MEDIA_AUDIO_NULL_AUDIO_SINK_H_ |
6 #define MEDIA_AUDIO_NULL_AUDIO_SINK_H_ | 6 #define MEDIA_AUDIO_NULL_AUDIO_SINK_H_ |
7 | 7 |
8 #include <string> | 8 #include <string> |
9 | 9 |
10 #include "base/macros.h" | 10 #include "base/macros.h" |
11 #include "base/memory/scoped_ptr.h" | 11 #include "base/memory/scoped_ptr.h" |
12 #include "media/base/audio_renderer_sink.h" | 12 #include "media/base/audio_renderer_sink.h" |
13 | 13 |
14 namespace base { | 14 namespace base { |
15 class SingleThreadTaskRunner; | 15 class SingleThreadTaskRunner; |
16 } | 16 } |
17 | 17 |
18 namespace media { | 18 namespace media { |
19 class AudioBus; | 19 class AudioBus; |
20 class AudioHash; | 20 class AudioHash; |
21 class FakeAudioWorker; | 21 class FakeAudioWorker; |
22 class OutputDevice; | |
23 | 22 |
24 class MEDIA_EXPORT NullAudioSink | 23 class MEDIA_EXPORT NullAudioSink |
25 : NON_EXPORTED_BASE(public RestartableAudioRendererSink) { | 24 : NON_EXPORTED_BASE(public SwitchableAudioRendererSink) { |
26 public: | 25 public: |
27 NullAudioSink(const scoped_refptr<base::SingleThreadTaskRunner>& task_runner); | 26 NullAudioSink(const scoped_refptr<base::SingleThreadTaskRunner>& task_runner); |
28 | 27 |
29 // AudioRendererSink implementation. | 28 // AudioRendererSink implementation. |
30 void Initialize(const AudioParameters& params, | 29 void Initialize(const AudioParameters& params, |
31 RenderCallback* callback) override; | 30 RenderCallback* callback) override; |
32 void Start() override; | 31 void Start() override; |
33 void Stop() override; | 32 void Stop() override; |
34 void Pause() override; | 33 void Pause() override; |
35 void Play() override; | 34 void Play() override; |
36 bool SetVolume(double volume) override; | 35 bool SetVolume(double volume) override; |
37 OutputDevice* GetOutputDevice() override; | 36 OutputDeviceInfo GetOutputDeviceInfo() override; |
| 37 void SwitchOutputDevice(const std::string& device_id, |
| 38 const url::Origin& security_origin, |
| 39 const OutputDeviceStatusCB& callback) override; |
38 | 40 |
39 // Enables audio frame hashing. Must be called prior to Initialize(). | 41 // Enables audio frame hashing. Must be called prior to Initialize(). |
40 void StartAudioHashForTesting(); | 42 void StartAudioHashForTesting(); |
41 | 43 |
42 // Returns the hash of all audio frames seen since construction. | 44 // Returns the hash of all audio frames seen since construction. |
43 std::string GetAudioHashForTesting(); | 45 std::string GetAudioHashForTesting(); |
44 | 46 |
45 protected: | 47 protected: |
46 ~NullAudioSink() override; | 48 ~NullAudioSink() override; |
47 | 49 |
(...skipping 12 matching lines...) Expand all Loading... |
60 scoped_refptr<base::SingleThreadTaskRunner> task_runner_; | 62 scoped_refptr<base::SingleThreadTaskRunner> task_runner_; |
61 scoped_ptr<FakeAudioWorker> fake_worker_; | 63 scoped_ptr<FakeAudioWorker> fake_worker_; |
62 scoped_ptr<AudioBus> audio_bus_; | 64 scoped_ptr<AudioBus> audio_bus_; |
63 | 65 |
64 DISALLOW_COPY_AND_ASSIGN(NullAudioSink); | 66 DISALLOW_COPY_AND_ASSIGN(NullAudioSink); |
65 }; | 67 }; |
66 | 68 |
67 } // namespace media | 69 } // namespace media |
68 | 70 |
69 #endif // MEDIA_AUDIO_NULL_AUDIO_SINK_H_ | 71 #endif // MEDIA_AUDIO_NULL_AUDIO_SINK_H_ |
OLD | NEW |