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Side by Side Diff: third_party/WebKit/Source/platform/audio/HRTFDatabaseLoader.cpp

Issue 2701993002: DO NOT COMMIT: Results of running new (proposed) clang-format on Blink (Closed)
Patch Set: Created 3 years, 10 months ago
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1 /* 1 /*
2 * Copyright (C) 2010 Google Inc. All rights reserved. 2 * Copyright (C) 2010 Google Inc. All rights reserved.
3 * 3 *
4 * Redistribution and use in source and binary forms, with or without 4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions 5 * modification, are permitted provided that the following conditions
6 * are met: 6 * are met:
7 * 7 *
8 * 1. Redistributions of source code must retain the above copyright 8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer. 9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright 10 * 2. Redistributions in binary form must reproduce the above copyright
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92 // createAndLoadAsynchronouslyIfNecessary and because we haven't started 92 // createAndLoadAsynchronouslyIfNecessary and because we haven't started
93 // loadTask yet for this object. 93 // loadTask yet for this object.
94 DCHECK(!m_hrtfDatabase); 94 DCHECK(!m_hrtfDatabase);
95 DCHECK(!m_thread); 95 DCHECK(!m_thread);
96 96
97 // Start the asynchronous database loading process. 97 // Start the asynchronous database loading process.
98 m_thread = WTF::wrapUnique( 98 m_thread = WTF::wrapUnique(
99 Platform::current()->createThread("HRTF database loader")); 99 Platform::current()->createThread("HRTF database loader"));
100 // TODO(alexclarke): Should this be posted as a loading task? 100 // TODO(alexclarke): Should this be posted as a loading task?
101 m_thread->getWebTaskRunner()->postTask( 101 m_thread->getWebTaskRunner()->postTask(
102 BLINK_FROM_HERE, crossThreadBind(&HRTFDatabaseLoader::loadTask, 102 BLINK_FROM_HERE,
103 crossThreadUnretained(this))); 103 crossThreadBind(&HRTFDatabaseLoader::loadTask,
104 crossThreadUnretained(this)));
104 } 105 }
105 106
106 HRTFDatabase* HRTFDatabaseLoader::database() { 107 HRTFDatabase* HRTFDatabaseLoader::database() {
107 DCHECK(!isMainThread()); 108 DCHECK(!isMainThread());
108 109
109 // Seeing that this is only called from the audio thread, we can't block. 110 // Seeing that this is only called from the audio thread, we can't block.
110 // It's ok to return nullptr if we can't get the lock. 111 // It's ok to return nullptr if we can't get the lock.
111 MutexTryLocker tryLocker(m_lock); 112 MutexTryLocker tryLocker(m_lock);
112 113
113 if (!tryLocker.locked()) 114 if (!tryLocker.locked())
114 return nullptr; 115 return nullptr;
115 116
116 return m_hrtfDatabase.get(); 117 return m_hrtfDatabase.get();
117 } 118 }
118 119
119 // This cleanup task is needed just to make sure that the loader thread finishes 120 // This cleanup task is needed just to make sure that the loader thread finishes
120 // the load task and thus the loader thread doesn't touch m_thread any more. 121 // the load task and thus the loader thread doesn't touch m_thread any more.
121 void HRTFDatabaseLoader::cleanupTask(WaitableEvent* sync) { 122 void HRTFDatabaseLoader::cleanupTask(WaitableEvent* sync) {
122 sync->signal(); 123 sync->signal();
123 } 124 }
124 125
125 void HRTFDatabaseLoader::waitForLoaderThreadCompletion() { 126 void HRTFDatabaseLoader::waitForLoaderThreadCompletion() {
126 if (!m_thread) 127 if (!m_thread)
127 return; 128 return;
128 129
129 WaitableEvent sync; 130 WaitableEvent sync;
130 // TODO(alexclarke): Should this be posted as a loading task? 131 // TODO(alexclarke): Should this be posted as a loading task?
131 m_thread->getWebTaskRunner()->postTask( 132 m_thread->getWebTaskRunner()->postTask(
132 BLINK_FROM_HERE, crossThreadBind(&HRTFDatabaseLoader::cleanupTask, 133 BLINK_FROM_HERE,
133 crossThreadUnretained(this), 134 crossThreadBind(&HRTFDatabaseLoader::cleanupTask,
134 crossThreadUnretained(&sync))); 135 crossThreadUnretained(this),
136 crossThreadUnretained(&sync)));
135 sync.wait(); 137 sync.wait();
136 m_thread.reset(); 138 m_thread.reset();
137 } 139 }
138 140
139 } // namespace blink 141 } // namespace blink
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