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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 "chrome/browser/chromeos/audio/audio_mixer_cras.h" | 5 #include "chrome/browser/chromeos/audio/audio_mixer_cras.h" |
6 | 6 |
7 #include <cmath> | 7 #include <cmath> |
8 #include <cras_client.h> | 8 #include <cras_client.h> |
9 #include <unistd.h> | 9 #include <unistd.h> |
10 | 10 |
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37 is_muted_(false), | 37 is_muted_(false), |
38 is_mute_locked_(false), | 38 is_mute_locked_(false), |
39 is_capture_muted_(false), | 39 is_capture_muted_(false), |
40 is_capture_mute_locked_(false), | 40 is_capture_mute_locked_(false), |
41 apply_is_pending_(true) { | 41 apply_is_pending_(true) { |
42 } | 42 } |
43 | 43 |
44 AudioMixerCras::~AudioMixerCras() { | 44 AudioMixerCras::~AudioMixerCras() { |
45 if (!thread_.get()) | 45 if (!thread_.get()) |
46 return; | 46 return; |
47 DCHECK(MessageLoop::current() != thread_->message_loop()); | 47 DCHECK(base::MessageLoop::current() != thread_->message_loop()); |
48 | 48 |
49 base::ThreadRestrictions::ScopedAllowIO allow_io_for_thread_join; | 49 base::ThreadRestrictions::ScopedAllowIO allow_io_for_thread_join; |
50 thread_->Stop(); | 50 thread_->Stop(); |
51 thread_.reset(); | 51 thread_.reset(); |
52 | 52 |
53 cras_client_destroy(client_); | 53 cras_client_destroy(client_); |
54 } | 54 } |
55 | 55 |
56 void AudioMixerCras::Init() { | 56 void AudioMixerCras::Init() { |
57 DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI)); | 57 DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI)); |
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132 } | 132 } |
133 | 133 |
134 void AudioMixerCras::SetCaptureMuteLocked(bool locked) { | 134 void AudioMixerCras::SetCaptureMuteLocked(bool locked) { |
135 DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI)); | 135 DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI)); |
136 base::AutoLock lock(lock_); | 136 base::AutoLock lock(lock_); |
137 is_capture_mute_locked_ = locked; | 137 is_capture_mute_locked_ = locked; |
138 ApplyStateIfNeeded(); | 138 ApplyStateIfNeeded(); |
139 } | 139 } |
140 | 140 |
141 void AudioMixerCras::Connect() { | 141 void AudioMixerCras::Connect() { |
142 DCHECK(MessageLoop::current() == thread_->message_loop()); | 142 DCHECK(base::MessageLoop::current() == thread_->message_loop()); |
143 | 143 |
144 // Create the client structure. | 144 // Create the client structure. |
145 if (client_ == NULL && cras_client_create(&client_) < 0) { | 145 if (client_ == NULL && cras_client_create(&client_) < 0) { |
146 LOG(DFATAL) << "cras_client_create() failed"; | 146 LOG(DFATAL) << "cras_client_create() failed"; |
147 return; // TODO(dgreid) change interface so this can return an error. | 147 return; // TODO(dgreid) change interface so this can return an error. |
148 } | 148 } |
149 | 149 |
150 if (cras_client_connect(client_) != 0) { | 150 if (cras_client_connect(client_) != 0) { |
151 thread_->message_loop()->PostDelayedTask(FROM_HERE, | 151 thread_->message_loop()->PostDelayedTask(FROM_HERE, |
152 base::Bind(&AudioMixerCras::Connect, base::Unretained(this)), | 152 base::Bind(&AudioMixerCras::Connect, base::Unretained(this)), |
153 base::TimeDelta::FromSeconds(kConnectionRetrySleepSec)); | 153 base::TimeDelta::FromSeconds(kConnectionRetrySleepSec)); |
154 return; | 154 return; |
155 } | 155 } |
156 client_connected_ = true; | 156 client_connected_ = true; |
157 | 157 |
158 ApplyState(); | 158 ApplyState(); |
159 } | 159 } |
160 | 160 |
161 void AudioMixerCras::ApplyState() { | 161 void AudioMixerCras::ApplyState() { |
162 DCHECK(MessageLoop::current() == thread_->message_loop()); | 162 DCHECK(base::MessageLoop::current() == thread_->message_loop()); |
163 if (!client_connected_) | 163 if (!client_connected_) |
164 return; | 164 return; |
165 | 165 |
166 bool should_mute = false; | 166 bool should_mute = false; |
167 bool should_lock_mute = false; | 167 bool should_lock_mute = false; |
168 bool should_mute_capture = false; | 168 bool should_mute_capture = false; |
169 bool should_lock_capture_mute = false; | 169 bool should_lock_capture_mute = false; |
170 size_t new_volume = 0; | 170 size_t new_volume = 0; |
171 { | 171 { |
172 base::AutoLock lock(lock_); | 172 base::AutoLock lock(lock_); |
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194 void AudioMixerCras::ApplyStateIfNeeded() { | 194 void AudioMixerCras::ApplyStateIfNeeded() { |
195 lock_.AssertAcquired(); | 195 lock_.AssertAcquired(); |
196 if (client_connected_ && !apply_is_pending_) { | 196 if (client_connected_ && !apply_is_pending_) { |
197 thread_->message_loop()->PostTask( | 197 thread_->message_loop()->PostTask( |
198 FROM_HERE, | 198 FROM_HERE, |
199 base::Bind(&AudioMixerCras::ApplyState, base::Unretained(this))); | 199 base::Bind(&AudioMixerCras::ApplyState, base::Unretained(this))); |
200 } | 200 } |
201 } | 201 } |
202 | 202 |
203 } // namespace chromeos | 203 } // namespace chromeos |
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