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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 #include "media/audio/audio_manager_base.h" | 5 #include "media/audio/audio_manager_base.h" |
6 | 6 |
7 #include "base/bind.h" | 7 #include "base/bind.h" |
8 #include "base/command_line.h" | 8 #include "base/command_line.h" |
9 #include "base/message_loop_proxy.h" | 9 #include "base/message_loop_proxy.h" |
10 #include "base/threading/thread.h" | 10 #include "base/threading/thread.h" |
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44 max_num_output_streams_(kDefaultMaxOutputStreams), | 44 max_num_output_streams_(kDefaultMaxOutputStreams), |
45 max_num_input_streams_(kDefaultMaxInputStreams), | 45 max_num_input_streams_(kDefaultMaxInputStreams), |
46 num_output_streams_(0), | 46 num_output_streams_(0), |
47 num_input_streams_(0), | 47 num_input_streams_(0), |
48 audio_thread_(new base::Thread("AudioThread")) { | 48 audio_thread_(new base::Thread("AudioThread")) { |
49 #if defined(OS_WIN) | 49 #if defined(OS_WIN) |
50 audio_thread_->init_com_with_mta(true); | 50 audio_thread_->init_com_with_mta(true); |
51 #endif | 51 #endif |
52 CHECK(audio_thread_->Start()); | 52 CHECK(audio_thread_->Start()); |
53 message_loop_ = audio_thread_->message_loop_proxy(); | 53 message_loop_ = audio_thread_->message_loop_proxy(); |
54 message_loop_->PostTask(FROM_HERE, base::Bind( | |
55 &AudioManagerBase::InitializeOnAudioThread, base::Unretained(this))); | |
56 } | 54 } |
57 | 55 |
58 AudioManagerBase::~AudioManagerBase() { | 56 AudioManagerBase::~AudioManagerBase() { |
59 // The platform specific AudioManager implementation must have already | 57 // The platform specific AudioManager implementation must have already |
60 // stopped the audio thread. Otherwise, we may destroy audio streams before | 58 // stopped the audio thread. Otherwise, we may destroy audio streams before |
61 // stopping the thread, resulting an unexpected behavior. | 59 // stopping the thread, resulting an unexpected behavior. |
62 // This way we make sure activities of the audio streams are all stopped | 60 // This way we make sure activities of the audio streams are all stopped |
63 // before we destroy them. | 61 // before we destroy them. |
64 CHECK(!audio_thread_.get()); | 62 CHECK(!audio_thread_.get()); |
65 // All the output streams should have been deleted. | 63 // All the output streams should have been deleted. |
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337 output_listeners_.RemoveObserver(listener); | 335 output_listeners_.RemoveObserver(listener); |
338 } | 336 } |
339 | 337 |
340 void AudioManagerBase::NotifyAllOutputDeviceChangeListeners() { | 338 void AudioManagerBase::NotifyAllOutputDeviceChangeListeners() { |
341 DCHECK(message_loop_->BelongsToCurrentThread()); | 339 DCHECK(message_loop_->BelongsToCurrentThread()); |
342 DVLOG(1) << "Firing OnDeviceChange() notifications."; | 340 DVLOG(1) << "Firing OnDeviceChange() notifications."; |
343 FOR_EACH_OBSERVER(AudioDeviceListener, output_listeners_, OnDeviceChange()); | 341 FOR_EACH_OBSERVER(AudioDeviceListener, output_listeners_, OnDeviceChange()); |
344 } | 342 } |
345 | 343 |
346 } // namespace media | 344 } // namespace media |
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