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