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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_FAKE_AUDIO_OUTPUT_STREAM_H_ | 5 #ifndef MEDIA_AUDIO_FAKE_AUDIO_OUTPUT_STREAM_H_ |
6 #define MEDIA_AUDIO_FAKE_AUDIO_OUTPUT_STREAM_H_ | 6 #define MEDIA_AUDIO_FAKE_AUDIO_OUTPUT_STREAM_H_ |
7 | 7 |
8 #include "base/memory/scoped_ptr.h" | 8 #include "base/memory/scoped_ptr.h" |
9 #include "media/audio/audio_io.h" | 9 #include "media/audio/audio_io.h" |
10 #include "media/audio/audio_parameters.h" | 10 #include "media/audio/audio_parameters.h" |
11 #include "media/audio/fake_audio_consumer.h" | 11 #include "media/audio/fake_audio_consumer.h" |
12 | 12 |
13 namespace media { | 13 namespace media { |
14 | 14 |
15 class AudioManagerBase; | 15 class AudioManagerBase; |
16 | 16 |
17 // A fake implementation of AudioOutputStream. Used for testing and when a real | 17 // A fake implementation of AudioOutputStream. Used for testing and when a real |
18 // audio output device is unavailable or refusing output (e.g. remote desktop). | 18 // audio output device is unavailable or refusing output (e.g. remote desktop). |
19 // Callbacks are driven on the AudioManager's message loop. | 19 // Callbacks are driven on the AudioManager's message loop. |
20 class MEDIA_EXPORT FakeAudioOutputStream : public AudioOutputStream { | 20 class MEDIA_EXPORT FakeAudioOutputStream : public AudioOutputStream { |
21 public: | 21 public: |
22 static AudioOutputStream* MakeFakeStream(AudioManagerBase* manager, | 22 static AudioOutputStream* MakeFakeStream(AudioManagerBase* manager, |
23 const AudioParameters& params); | 23 const AudioParameters& params); |
24 | 24 |
25 // AudioOutputStream implementation. | 25 // AudioOutputStream implementation. |
26 virtual bool Open() OVERRIDE; | 26 virtual bool Open() override; |
27 virtual void Start(AudioSourceCallback* callback) OVERRIDE; | 27 virtual void Start(AudioSourceCallback* callback) override; |
28 virtual void Stop() OVERRIDE; | 28 virtual void Stop() override; |
29 virtual void SetVolume(double volume) OVERRIDE; | 29 virtual void SetVolume(double volume) override; |
30 virtual void GetVolume(double* volume) OVERRIDE; | 30 virtual void GetVolume(double* volume) override; |
31 virtual void Close() OVERRIDE; | 31 virtual void Close() override; |
32 | 32 |
33 private: | 33 private: |
34 FakeAudioOutputStream(AudioManagerBase* manager, | 34 FakeAudioOutputStream(AudioManagerBase* manager, |
35 const AudioParameters& params); | 35 const AudioParameters& params); |
36 virtual ~FakeAudioOutputStream(); | 36 virtual ~FakeAudioOutputStream(); |
37 | 37 |
38 // Task that periodically calls OnMoreData() to consume audio data. | 38 // Task that periodically calls OnMoreData() to consume audio data. |
39 void CallOnMoreData(AudioBus* audio_bus); | 39 void CallOnMoreData(AudioBus* audio_bus); |
40 | 40 |
41 AudioManagerBase* audio_manager_; | 41 AudioManagerBase* audio_manager_; |
42 AudioSourceCallback* callback_; | 42 AudioSourceCallback* callback_; |
43 FakeAudioConsumer fake_consumer_; | 43 FakeAudioConsumer fake_consumer_; |
44 | 44 |
45 DISALLOW_COPY_AND_ASSIGN(FakeAudioOutputStream); | 45 DISALLOW_COPY_AND_ASSIGN(FakeAudioOutputStream); |
46 }; | 46 }; |
47 | 47 |
48 } // namespace media | 48 } // namespace media |
49 | 49 |
50 #endif // MEDIA_AUDIO_FAKE_AUDIO_OUTPUT_STREAM_H_ | 50 #endif // MEDIA_AUDIO_FAKE_AUDIO_OUTPUT_STREAM_H_ |
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