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_BASE_AUDIO_RENDERER_MIXER_INPUT_H_ | 5 #ifndef MEDIA_BASE_AUDIO_RENDERER_MIXER_INPUT_H_ |
6 #define MEDIA_BASE_AUDIO_RENDERER_MIXER_INPUT_H_ | 6 #define MEDIA_BASE_AUDIO_RENDERER_MIXER_INPUT_H_ |
7 | 7 |
8 #include <vector> | 8 #include <vector> |
9 | 9 |
10 #include "base/callback.h" | 10 #include "base/callback.h" |
11 #include "media/base/audio_converter.h" | 11 #include "media/base/audio_converter.h" |
12 #include "media/base/audio_renderer_sink.h" | 12 #include "media/base/audio_renderer_sink.h" |
13 | 13 |
14 namespace media { | 14 namespace media { |
15 | 15 |
16 class AudioRendererMixer; | 16 class AudioRendererMixer; |
17 | 17 |
18 class MEDIA_EXPORT AudioRendererMixerInput | 18 class MEDIA_EXPORT AudioRendererMixerInput |
19 : NON_EXPORTED_BASE(public AudioRendererSink), | 19 : NON_EXPORTED_BASE(public AudioRendererSink), |
20 public AudioConverter::InputCallback { | 20 public AudioConverter::InputCallback { |
21 public: | 21 public: |
22 typedef base::Callback<AudioRendererMixer*( | 22 typedef base::Callback<AudioRendererMixer*( |
23 const AudioParameters& params)> GetMixerCB; | 23 const AudioParameters& params)> GetMixerCB; |
24 typedef base::Callback<void(const AudioParameters& params)> RemoveMixerCB; | 24 typedef base::Callback<void(const AudioParameters& params)> RemoveMixerCB; |
25 | 25 |
26 AudioRendererMixerInput( | 26 AudioRendererMixerInput( |
27 const GetMixerCB& get_mixer_cb, const RemoveMixerCB& remove_mixer_cb); | 27 const GetMixerCB& get_mixer_cb, const RemoveMixerCB& remove_mixer_cb); |
28 | 28 |
29 // AudioRendererSink implementation. | 29 // AudioRendererSink implementation. |
30 virtual void Start() OVERRIDE; | 30 virtual void Start() override; |
31 virtual void Stop() OVERRIDE; | 31 virtual void Stop() override; |
32 virtual void Play() OVERRIDE; | 32 virtual void Play() override; |
33 virtual void Pause() OVERRIDE; | 33 virtual void Pause() override; |
34 virtual bool SetVolume(double volume) OVERRIDE; | 34 virtual bool SetVolume(double volume) override; |
35 virtual void Initialize(const AudioParameters& params, | 35 virtual void Initialize(const AudioParameters& params, |
36 AudioRendererSink::RenderCallback* renderer) OVERRIDE; | 36 AudioRendererSink::RenderCallback* renderer) override; |
37 | 37 |
38 // Called by AudioRendererMixer when an error occurs. | 38 // Called by AudioRendererMixer when an error occurs. |
39 void OnRenderError(); | 39 void OnRenderError(); |
40 | 40 |
41 protected: | 41 protected: |
42 virtual ~AudioRendererMixerInput(); | 42 virtual ~AudioRendererMixerInput(); |
43 | 43 |
44 private: | 44 private: |
45 friend class AudioRendererMixerInputTest; | 45 friend class AudioRendererMixerInputTest; |
46 | 46 |
47 bool playing_; | 47 bool playing_; |
48 bool initialized_; | 48 bool initialized_; |
49 double volume_; | 49 double volume_; |
50 | 50 |
51 // AudioConverter::InputCallback implementation. | 51 // AudioConverter::InputCallback implementation. |
52 virtual double ProvideInput(AudioBus* audio_bus, | 52 virtual double ProvideInput(AudioBus* audio_bus, |
53 base::TimeDelta buffer_delay) OVERRIDE; | 53 base::TimeDelta buffer_delay) override; |
54 | 54 |
55 // Callbacks provided during construction which allow AudioRendererMixerInput | 55 // Callbacks provided during construction which allow AudioRendererMixerInput |
56 // to retrieve a mixer during Initialize() and notify when it's done with it. | 56 // to retrieve a mixer during Initialize() and notify when it's done with it. |
57 GetMixerCB get_mixer_cb_; | 57 GetMixerCB get_mixer_cb_; |
58 RemoveMixerCB remove_mixer_cb_; | 58 RemoveMixerCB remove_mixer_cb_; |
59 | 59 |
60 // AudioParameters received during Initialize(). | 60 // AudioParameters received during Initialize(). |
61 AudioParameters params_; | 61 AudioParameters params_; |
62 | 62 |
63 // AudioRendererMixer provided through |get_mixer_cb_| during Initialize(), | 63 // AudioRendererMixer provided through |get_mixer_cb_| during Initialize(), |
64 // guaranteed to live (at least) until |remove_mixer_cb_| is called. | 64 // guaranteed to live (at least) until |remove_mixer_cb_| is called. |
65 AudioRendererMixer* mixer_; | 65 AudioRendererMixer* mixer_; |
66 | 66 |
67 // Source of audio data which is provided to the mixer. | 67 // Source of audio data which is provided to the mixer. |
68 AudioRendererSink::RenderCallback* callback_; | 68 AudioRendererSink::RenderCallback* callback_; |
69 | 69 |
70 // Error callback for handing to AudioRendererMixer. | 70 // Error callback for handing to AudioRendererMixer. |
71 const base::Closure error_cb_; | 71 const base::Closure error_cb_; |
72 | 72 |
73 DISALLOW_COPY_AND_ASSIGN(AudioRendererMixerInput); | 73 DISALLOW_COPY_AND_ASSIGN(AudioRendererMixerInput); |
74 }; | 74 }; |
75 | 75 |
76 } // namespace media | 76 } // namespace media |
77 | 77 |
78 #endif // MEDIA_BASE_AUDIO_RENDERER_MIXER_INPUT_H_ | 78 #endif // MEDIA_BASE_AUDIO_RENDERER_MIXER_INPUT_H_ |
OLD | NEW |