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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 MEDIA_BASE_FAKE_AUDIO_RENDERER_SINK_H_ | 5 #ifndef MEDIA_BASE_FAKE_AUDIO_RENDERER_SINK_H_ |
6 #define MEDIA_BASE_FAKE_AUDIO_RENDERER_SINK_H_ | 6 #define MEDIA_BASE_FAKE_AUDIO_RENDERER_SINK_H_ |
7 | 7 |
8 #include "media/audio/audio_parameters.h" | 8 #include "media/audio/audio_parameters.h" |
9 #include "media/base/audio_renderer_sink.h" | 9 #include "media/base/audio_renderer_sink.h" |
10 | 10 |
11 namespace media { | 11 namespace media { |
12 | 12 |
13 class FakeAudioRendererSink : public AudioRendererSink { | 13 class FakeAudioRendererSink : public AudioRendererSink { |
14 public: | 14 public: |
15 enum State { | 15 enum State { |
16 kUninitialized, | 16 kUninitialized, |
17 kInitialized, | 17 kInitialized, |
18 kStarted, | 18 kStarted, |
19 kPaused, | 19 kPaused, |
20 kPlaying, | 20 kPlaying, |
21 kStopped | 21 kStopped |
22 }; | 22 }; |
23 | 23 |
24 FakeAudioRendererSink(); | 24 FakeAudioRendererSink(); |
25 | 25 |
26 virtual void Initialize(const AudioParameters& params, | 26 virtual void Initialize(const AudioParameters& params, |
27 RenderCallback* callback) OVERRIDE; | 27 RenderCallback* callback) override; |
28 virtual void Start() OVERRIDE; | 28 virtual void Start() override; |
29 virtual void Stop() OVERRIDE; | 29 virtual void Stop() override; |
30 virtual void Pause() OVERRIDE; | 30 virtual void Pause() override; |
31 virtual void Play() OVERRIDE; | 31 virtual void Play() override; |
32 virtual bool SetVolume(double volume) OVERRIDE; | 32 virtual bool SetVolume(double volume) override; |
33 | 33 |
34 // Attempts to call Render() on the callback provided to | 34 // Attempts to call Render() on the callback provided to |
35 // Initialize() with |dest| and |audio_delay_milliseconds|. | 35 // Initialize() with |dest| and |audio_delay_milliseconds|. |
36 // Returns true and sets |frames_written| to the return value of the | 36 // Returns true and sets |frames_written| to the return value of the |
37 // Render() call. | 37 // Render() call. |
38 // Returns false if this object is in a state where calling Render() | 38 // Returns false if this object is in a state where calling Render() |
39 // should not occur. (i.e., in the kPaused or kStopped state.) The | 39 // should not occur. (i.e., in the kPaused or kStopped state.) The |
40 // value of |frames_written| is undefined if false is returned. | 40 // value of |frames_written| is undefined if false is returned. |
41 bool Render(AudioBus* dest, int audio_delay_milliseconds, | 41 bool Render(AudioBus* dest, int audio_delay_milliseconds, |
42 int* frames_written); | 42 int* frames_written); |
43 void OnRenderError(); | 43 void OnRenderError(); |
44 | 44 |
45 State state() const { return state_; } | 45 State state() const { return state_; } |
46 | 46 |
47 protected: | 47 protected: |
48 virtual ~FakeAudioRendererSink(); | 48 virtual ~FakeAudioRendererSink(); |
49 | 49 |
50 private: | 50 private: |
51 void ChangeState(State new_state); | 51 void ChangeState(State new_state); |
52 | 52 |
53 State state_; | 53 State state_; |
54 RenderCallback* callback_; | 54 RenderCallback* callback_; |
55 | 55 |
56 DISALLOW_COPY_AND_ASSIGN(FakeAudioRendererSink); | 56 DISALLOW_COPY_AND_ASSIGN(FakeAudioRendererSink); |
57 }; | 57 }; |
58 | 58 |
59 } // namespace media | 59 } // namespace media |
60 | 60 |
61 #endif // MEDIA_BASE_FAKE_AUDIO_RENDERER_SINK_H_ | 61 #endif // MEDIA_BASE_FAKE_AUDIO_RENDERER_SINK_H_ |
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