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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 are | 5 * modification, are permitted provided that the following conditions are |
| 6 * met: | 6 * met: |
| 7 * | 7 * |
| 8 * * Redistributions of source code must retain the above copyright | 8 * * 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 * * Redistributions in binary form must reproduce the above | 10 * * Redistributions in binary form must reproduce the above |
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| 60 | 60 |
| 61 MutexLocker locker(m_processLock); | 61 MutexLocker locker(m_processLock); |
| 62 m_kernels.clear(); | 62 m_kernels.clear(); |
| 63 | 63 |
| 64 m_initialized = false; | 64 m_initialized = false; |
| 65 } | 65 } |
| 66 | 66 |
| 67 void AudioDSPKernelProcessor::process(const AudioBus* source, | 67 void AudioDSPKernelProcessor::process(const AudioBus* source, |
| 68 AudioBus* destination, | 68 AudioBus* destination, |
| 69 size_t framesToProcess) { | 69 size_t framesToProcess) { |
| 70 ASSERT(source && destination); | 70 DCHECK(source); |
| 71 DCHECK(destination); |
| 71 if (!source || !destination) | 72 if (!source || !destination) |
| 72 return; | 73 return; |
| 73 | 74 |
| 74 if (!isInitialized()) { | 75 if (!isInitialized()) { |
| 75 destination->zero(); | 76 destination->zero(); |
| 76 return; | 77 return; |
| 77 } | 78 } |
| 78 | 79 |
| 79 MutexTryLocker tryLocker(m_processLock); | 80 MutexTryLocker tryLocker(m_processLock); |
| 80 if (tryLocker.locked()) { | 81 if (tryLocker.locked()) { |
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| 153 if (tryLocker.locked()) { | 154 if (tryLocker.locked()) { |
| 154 // It is expected that all the kernels have the same latencyTime. | 155 // It is expected that all the kernels have the same latencyTime. |
| 155 return !m_kernels.isEmpty() ? m_kernels.front()->latencyTime() : 0; | 156 return !m_kernels.isEmpty() ? m_kernels.front()->latencyTime() : 0; |
| 156 } | 157 } |
| 157 // Since we don't want to block the Audio Device thread, we return a large | 158 // Since we don't want to block the Audio Device thread, we return a large |
| 158 // value instead of trying to acquire the lock. | 159 // value instead of trying to acquire the lock. |
| 159 return std::numeric_limits<double>::infinity(); | 160 return std::numeric_limits<double>::infinity(); |
| 160 } | 161 } |
| 161 | 162 |
| 162 } // namespace blink | 163 } // namespace blink |
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