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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 // AudioOutputDispatcherImpl is an implementation of AudioOutputDispatcher. | 5 // AudioOutputDispatcherImpl is an implementation of AudioOutputDispatcher. |
6 // | 6 // |
7 // To avoid opening and closing audio devices more frequently than necessary, | 7 // To avoid opening and closing audio devices more frequently than necessary, |
8 // each dispatcher has a pool of inactive physical streams. A stream is closed | 8 // each dispatcher has a pool of inactive physical streams. A stream is closed |
9 // only if it hasn't been used for a certain period of time (specified via the | 9 // only if it hasn't been used for a certain period of time (specified via the |
10 // constructor). | 10 // constructor). |
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84 std::vector<AudioOutputStream*> idle_streams_; | 84 std::vector<AudioOutputStream*> idle_streams_; |
85 | 85 |
86 // When streams are stopped they're added to |idle_streams_|, if no stream is | 86 // When streams are stopped they're added to |idle_streams_|, if no stream is |
87 // reused before |close_delay_| elapses |close_timer_| will run | 87 // reused before |close_delay_| elapses |close_timer_| will run |
88 // CloseIdleStreams(). | 88 // CloseIdleStreams(). |
89 base::DelayTimer close_timer_; | 89 base::DelayTimer close_timer_; |
90 | 90 |
91 typedef std::map<AudioOutputProxy*, AudioOutputStream*> AudioStreamMap; | 91 typedef std::map<AudioOutputProxy*, AudioOutputStream*> AudioStreamMap; |
92 AudioStreamMap proxy_to_physical_map_; | 92 AudioStreamMap proxy_to_physical_map_; |
93 | 93 |
94 scoped_ptr<AudioLog> audio_log_; | 94 std::unique_ptr<AudioLog> audio_log_; |
danakj
2016/04/22 22:47:36
include memory
dcheng
2016/04/22 23:13:20
Done.
| |
95 typedef std::map<AudioOutputStream*, int> AudioStreamIDMap; | 95 typedef std::map<AudioOutputStream*, int> AudioStreamIDMap; |
96 AudioStreamIDMap audio_stream_ids_; | 96 AudioStreamIDMap audio_stream_ids_; |
97 int audio_stream_id_; | 97 int audio_stream_id_; |
98 | 98 |
99 DISALLOW_COPY_AND_ASSIGN(AudioOutputDispatcherImpl); | 99 DISALLOW_COPY_AND_ASSIGN(AudioOutputDispatcherImpl); |
100 }; | 100 }; |
101 | 101 |
102 } // namespace media | 102 } // namespace media |
103 | 103 |
104 #endif // MEDIA_AUDIO_AUDIO_OUTPUT_DISPATCHER_IMPL_H_ | 104 #endif // MEDIA_AUDIO_AUDIO_OUTPUT_DISPATCHER_IMPL_H_ |
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