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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 * 1. Redistributions of source code must retain the above copyright | 7 * 1. Redistributions of source code must retain the above copyright |
| 8 * notice, this list of conditions and the following disclaimer. | 8 * notice, this list of conditions and the following disclaimer. |
| 9 * 2. Redistributions in binary form must reproduce the above copyright | 9 * 2. Redistributions in binary form must reproduce the above copyright |
| 10 * notice, this list of conditions and the following disclaimer in the | 10 * notice, this list of conditions and the following disclaimer in the |
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| 225 DeferredTaskHandler& deferredTaskHandler() const { return *m_deferredTaskHan
dler; } | 225 DeferredTaskHandler& deferredTaskHandler() const { return *m_deferredTaskHan
dler; } |
| 226 // | 226 // |
| 227 // Thread Safety and Graph Locking: | 227 // Thread Safety and Graph Locking: |
| 228 // | 228 // |
| 229 // The following functions call corresponding functions of | 229 // The following functions call corresponding functions of |
| 230 // DeferredTaskHandler. | 230 // DeferredTaskHandler. |
| 231 bool isAudioThread() const { return deferredTaskHandler().isAudioThread(); } | 231 bool isAudioThread() const { return deferredTaskHandler().isAudioThread(); } |
| 232 void lock() { deferredTaskHandler().lock(); } | 232 void lock() { deferredTaskHandler().lock(); } |
| 233 bool tryLock() { return deferredTaskHandler().tryLock(); } | 233 bool tryLock() { return deferredTaskHandler().tryLock(); } |
| 234 void unlock() { deferredTaskHandler().unlock(); } | 234 void unlock() { deferredTaskHandler().unlock(); } |
| 235 #if ENABLE(ASSERT) | 235 |
| 236 // Returns true if this thread owns the context's lock. | 236 // Returns true if this thread owns the context's lock. |
| 237 bool isGraphOwner() { return deferredTaskHandler().isGraphOwner(); } | 237 bool isGraphOwner() { return deferredTaskHandler().isGraphOwner(); } |
| 238 #endif | 238 |
| 239 using AutoLocker = DeferredTaskHandler::AutoLocker; | 239 using AutoLocker = DeferredTaskHandler::AutoLocker; |
| 240 | 240 |
| 241 // Returns the maximum numuber of channels we can support. | 241 // Returns the maximum numuber of channels we can support. |
| 242 static unsigned maxNumberOfChannels() { return MaxNumberOfChannels;} | 242 static unsigned maxNumberOfChannels() { return MaxNumberOfChannels;} |
| 243 | 243 |
| 244 // EventTarget | 244 // EventTarget |
| 245 const AtomicString& interfaceName() const final; | 245 const AtomicString& interfaceName() const final; |
| 246 ExecutionContext* getExecutionContext() const final; | 246 ExecutionContext* getExecutionContext() const final; |
| 247 | 247 |
| 248 DEFINE_ATTRIBUTE_EVENT_LISTENER(statechange); | 248 DEFINE_ATTRIBUTE_EVENT_LISTENER(statechange); |
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| 373 Member<PeriodicWave> m_periodicWaveTriangle; | 373 Member<PeriodicWave> m_periodicWaveTriangle; |
| 374 | 374 |
| 375 // This is considering 32 is large enough for multiple channels audio. | 375 // This is considering 32 is large enough for multiple channels audio. |
| 376 // It is somewhat arbitrary and could be increased if necessary. | 376 // It is somewhat arbitrary and could be increased if necessary. |
| 377 enum { MaxNumberOfChannels = 32 }; | 377 enum { MaxNumberOfChannels = 32 }; |
| 378 }; | 378 }; |
| 379 | 379 |
| 380 } // namespace blink | 380 } // namespace blink |
| 381 | 381 |
| 382 #endif // BaseAudioContext_h | 382 #endif // BaseAudioContext_h |
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