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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/mac/audio_manager_mac.h" | 5 #include "media/audio/mac/audio_manager_mac.h" |
6 | 6 |
7 #include <CoreAudio/AudioHardware.h> | 7 #include <CoreAudio/AudioHardware.h> |
8 #include <string> | 8 #include <string> |
9 | 9 |
10 #include "base/bind.h" | 10 #include "base/bind.h" |
| 11 #include "base/bind_to_current_loop.h" |
11 #include "base/command_line.h" | 12 #include "base/command_line.h" |
12 #include "base/mac/mac_logging.h" | 13 #include "base/mac/mac_logging.h" |
13 #include "base/mac/scoped_cftyperef.h" | 14 #include "base/mac/scoped_cftyperef.h" |
14 #include "base/power_monitor/power_monitor.h" | 15 #include "base/power_monitor/power_monitor.h" |
15 #include "base/power_monitor/power_observer.h" | 16 #include "base/power_monitor/power_observer.h" |
16 #include "base/strings/sys_string_conversions.h" | 17 #include "base/strings/sys_string_conversions.h" |
17 #include "base/threading/thread_checker.h" | 18 #include "base/threading/thread_checker.h" |
18 #include "media/audio/audio_parameters.h" | 19 #include "media/audio/audio_parameters.h" |
19 #include "media/audio/mac/audio_auhal_mac.h" | 20 #include "media/audio/mac/audio_auhal_mac.h" |
20 #include "media/audio/mac/audio_input_mac.h" | 21 #include "media/audio/mac/audio_input_mac.h" |
21 #include "media/audio/mac/audio_low_latency_input_mac.h" | 22 #include "media/audio/mac/audio_low_latency_input_mac.h" |
22 #include "media/base/bind_to_current_loop.h" | |
23 #include "media/base/channel_layout.h" | 23 #include "media/base/channel_layout.h" |
24 #include "media/base/limits.h" | 24 #include "media/base/limits.h" |
25 #include "media/base/media_switches.h" | 25 #include "media/base/media_switches.h" |
26 | 26 |
27 namespace media { | 27 namespace media { |
28 | 28 |
29 // Maximum number of output streams that can be open simultaneously. | 29 // Maximum number of output streams that can be open simultaneously. |
30 static const int kMaxOutputStreams = 50; | 30 static const int kMaxOutputStreams = 50; |
31 | 31 |
32 // Define bounds for for low-latency input and output streams. | 32 // Define bounds for for low-latency input and output streams. |
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560 return NULL; | 560 return NULL; |
561 } | 561 } |
562 | 562 |
563 // Lazily create the audio device listener on the first stream creation. | 563 // Lazily create the audio device listener on the first stream creation. |
564 if (!output_device_listener_) { | 564 if (!output_device_listener_) { |
565 // NOTE: Use BindToCurrentLoop() to ensure the callback is always PostTask'd | 565 // NOTE: Use BindToCurrentLoop() to ensure the callback is always PostTask'd |
566 // even if OSX calls us on the right thread. Some CoreAudio drivers will | 566 // even if OSX calls us on the right thread. Some CoreAudio drivers will |
567 // fire the callbacks during stream creation, leading to re-entrancy issues | 567 // fire the callbacks during stream creation, leading to re-entrancy issues |
568 // otherwise. See http://crbug.com/349604 | 568 // otherwise. See http://crbug.com/349604 |
569 output_device_listener_.reset( | 569 output_device_listener_.reset( |
570 new AudioDeviceListenerMac(BindToCurrentLoop(base::Bind( | 570 new AudioDeviceListenerMac(base::BindToCurrentLoop(base::Bind( |
571 &AudioManagerMac::HandleDeviceChanges, base::Unretained(this))))); | 571 &AudioManagerMac::HandleDeviceChanges, base::Unretained(this))))); |
572 // Only set the current output device for the default device. | 572 // Only set the current output device for the default device. |
573 if (device_id == AudioManagerBase::kDefaultDeviceId || device_id.empty()) | 573 if (device_id == AudioManagerBase::kDefaultDeviceId || device_id.empty()) |
574 current_output_device_ = device; | 574 current_output_device_ = device; |
575 // Just use the current sample rate since we don't allow non-native sample | 575 // Just use the current sample rate since we don't allow non-native sample |
576 // rates on OSX. | 576 // rates on OSX. |
577 current_sample_rate_ = params.sample_rate(); | 577 current_sample_rate_ = params.sample_rate(); |
578 } | 578 } |
579 | 579 |
580 AUHALStream* stream = new AUHALStream(this, params, device); | 580 AUHALStream* stream = new AUHALStream(this, params, device); |
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827 basic_input_streams_.erase(stream_it); | 827 basic_input_streams_.erase(stream_it); |
828 | 828 |
829 AudioManagerBase::ReleaseInputStream(stream); | 829 AudioManagerBase::ReleaseInputStream(stream); |
830 } | 830 } |
831 | 831 |
832 AudioManager* CreateAudioManager(AudioLogFactory* audio_log_factory) { | 832 AudioManager* CreateAudioManager(AudioLogFactory* audio_log_factory) { |
833 return new AudioManagerMac(audio_log_factory); | 833 return new AudioManagerMac(audio_log_factory); |
834 } | 834 } |
835 | 835 |
836 } // namespace media | 836 } // namespace media |
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