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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 // THREAD SAFETY | 5 // THREAD SAFETY |
6 // | 6 // |
7 // AlsaPcmOutputStream object is *not* thread-safe and should only be used | 7 // AlsaPcmOutputStream object is *not* thread-safe and should only be used |
8 // from the audio thread. We DCHECK on this assumption whenever we can. | 8 // from the audio thread. We DCHECK on this assumption whenever we can. |
9 // | 9 // |
10 // SEMANTICS OF Close() | 10 // SEMANTICS OF Close() |
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34 | 34 |
35 #include "media/audio/linux/alsa_output.h" | 35 #include "media/audio/linux/alsa_output.h" |
36 | 36 |
37 #include <algorithm> | 37 #include <algorithm> |
38 | 38 |
39 #include "base/bind.h" | 39 #include "base/bind.h" |
40 #include "base/debug/trace_event.h" | 40 #include "base/debug/trace_event.h" |
41 #include "base/logging.h" | 41 #include "base/logging.h" |
42 #include "base/message_loop.h" | 42 #include "base/message_loop.h" |
43 #include "base/stl_util.h" | 43 #include "base/stl_util.h" |
44 #include "base/time.h" | 44 #include "base/time/time.h" |
45 #include "media/audio/linux/alsa_util.h" | 45 #include "media/audio/linux/alsa_util.h" |
46 #include "media/audio/linux/alsa_wrapper.h" | 46 #include "media/audio/linux/alsa_wrapper.h" |
47 #include "media/audio/linux/audio_manager_linux.h" | 47 #include "media/audio/linux/audio_manager_linux.h" |
48 #include "media/base/channel_mixer.h" | 48 #include "media/base/channel_mixer.h" |
49 #include "media/base/data_buffer.h" | 49 #include "media/base/data_buffer.h" |
50 #include "media/base/seekable_buffer.h" | 50 #include "media/base/seekable_buffer.h" |
51 | 51 |
52 namespace media { | 52 namespace media { |
53 | 53 |
54 // Set to 0 during debugging if you want error messages due to underrun | 54 // Set to 0 during debugging if you want error messages due to underrun |
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756 } | 756 } |
757 | 757 |
758 // Changes the AudioSourceCallback to proxy calls to. Pass in NULL to | 758 // Changes the AudioSourceCallback to proxy calls to. Pass in NULL to |
759 // release ownership of the currently registered callback. | 759 // release ownership of the currently registered callback. |
760 void AlsaPcmOutputStream::set_source_callback(AudioSourceCallback* callback) { | 760 void AlsaPcmOutputStream::set_source_callback(AudioSourceCallback* callback) { |
761 DCHECK(IsOnAudioThread()); | 761 DCHECK(IsOnAudioThread()); |
762 source_callback_ = callback; | 762 source_callback_ = callback; |
763 } | 763 } |
764 | 764 |
765 } // namespace media | 765 } // namespace media |
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