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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_BASE_AUDIO_RENDERER_MIXER_H_ | 5 #ifndef MEDIA_BASE_AUDIO_RENDERER_MIXER_H_ |
6 #define MEDIA_BASE_AUDIO_RENDERER_MIXER_H_ | 6 #define MEDIA_BASE_AUDIO_RENDERER_MIXER_H_ |
7 | 7 |
8 #include <stdint.h> | 8 #include <stdint.h> |
9 | 9 |
10 #include <map> | 10 #include <map> |
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51 // parameters of the new device and the output parameters with which the | 51 // parameters of the new device and the output parameters with which the |
52 // mixer was initialized. See crbug.com/506507 | 52 // mixer was initialized. See crbug.com/506507 |
53 OutputDevice* GetOutputDevice(); | 53 OutputDevice* GetOutputDevice(); |
54 | 54 |
55 private: | 55 private: |
56 // Maps input sample rate to the dedicated converter. | 56 // Maps input sample rate to the dedicated converter. |
57 typedef std::map<int, scoped_ptr<LoopbackAudioConverter>> AudioConvertersMap; | 57 typedef std::map<int, scoped_ptr<LoopbackAudioConverter>> AudioConvertersMap; |
58 | 58 |
59 // AudioRendererSink::RenderCallback implementation. | 59 // AudioRendererSink::RenderCallback implementation. |
60 int Render(AudioBus* audio_bus, | 60 int Render(AudioBus* audio_bus, |
61 uint32_t audio_delay_milliseconds, | 61 uint32_t frames_delayed, |
62 uint32_t frames_skipped) override; | 62 uint32_t frames_skipped) override; |
63 void OnRenderError() override; | 63 void OnRenderError() override; |
64 | 64 |
65 bool is_master_sample_rate(int sample_rate) { | 65 bool is_master_sample_rate(int sample_rate) { |
66 return sample_rate == output_params_.sample_rate(); | 66 return sample_rate == output_params_.sample_rate(); |
67 } | 67 } |
68 | 68 |
69 // Output sink for this mixer. | 69 // Output sink for this mixer. |
70 scoped_refptr<AudioRendererSink> audio_sink_; | 70 scoped_refptr<AudioRendererSink> audio_sink_; |
71 | 71 |
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93 base::TimeDelta pause_delay_; | 93 base::TimeDelta pause_delay_; |
94 base::TimeTicks last_play_time_; | 94 base::TimeTicks last_play_time_; |
95 bool playing_; | 95 bool playing_; |
96 | 96 |
97 DISALLOW_COPY_AND_ASSIGN(AudioRendererMixer); | 97 DISALLOW_COPY_AND_ASSIGN(AudioRendererMixer); |
98 }; | 98 }; |
99 | 99 |
100 } // namespace media | 100 } // namespace media |
101 | 101 |
102 #endif // MEDIA_BASE_AUDIO_RENDERER_MIXER_H_ | 102 #endif // MEDIA_BASE_AUDIO_RENDERER_MIXER_H_ |
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