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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). |
11 // | 11 // |
12 | 12 |
13 #ifndef MEDIA_AUDIO_AUDIO_OUTPUT_DISPATCHER_IMPL_H_ | 13 #ifndef MEDIA_AUDIO_AUDIO_OUTPUT_DISPATCHER_IMPL_H_ |
14 #define MEDIA_AUDIO_AUDIO_OUTPUT_DISPATCHER_IMPL_H_ | 14 #define MEDIA_AUDIO_AUDIO_OUTPUT_DISPATCHER_IMPL_H_ |
15 | 15 |
16 #include <map> | 16 #include <map> |
17 #include <vector> | 17 #include <vector> |
18 | 18 |
| 19 #include "base/macros.h" |
19 #include "base/memory/ref_counted.h" | 20 #include "base/memory/ref_counted.h" |
20 #include "base/timer/timer.h" | 21 #include "base/timer/timer.h" |
21 #include "media/audio/audio_io.h" | 22 #include "media/audio/audio_io.h" |
22 #include "media/audio/audio_logging.h" | 23 #include "media/audio/audio_logging.h" |
23 #include "media/audio/audio_manager.h" | 24 #include "media/audio/audio_manager.h" |
24 #include "media/audio/audio_output_dispatcher.h" | 25 #include "media/audio/audio_output_dispatcher.h" |
25 #include "media/audio/audio_parameters.h" | 26 #include "media/audio/audio_parameters.h" |
26 | 27 |
27 namespace media { | 28 namespace media { |
28 | 29 |
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92 typedef std::map<AudioOutputStream*, int> AudioStreamIDMap; | 93 typedef std::map<AudioOutputStream*, int> AudioStreamIDMap; |
93 AudioStreamIDMap audio_stream_ids_; | 94 AudioStreamIDMap audio_stream_ids_; |
94 int audio_stream_id_; | 95 int audio_stream_id_; |
95 | 96 |
96 DISALLOW_COPY_AND_ASSIGN(AudioOutputDispatcherImpl); | 97 DISALLOW_COPY_AND_ASSIGN(AudioOutputDispatcherImpl); |
97 }; | 98 }; |
98 | 99 |
99 } // namespace media | 100 } // namespace media |
100 | 101 |
101 #endif // MEDIA_AUDIO_AUDIO_OUTPUT_DISPATCHER_IMPL_H_ | 102 #endif // MEDIA_AUDIO_AUDIO_OUTPUT_DISPATCHER_IMPL_H_ |
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