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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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| 115 | 115 |
| 116 // Start up background thread | 116 // Start up background thread |
| 117 // FIXME: would be better to up the thread priority here. It doesn't need t
o be real-time, but higher than the default... | 117 // FIXME: would be better to up the thread priority here. It doesn't need t
o be real-time, but higher than the default... |
| 118 if (useBackgroundThreads && m_backgroundStages.size() > 0) | 118 if (useBackgroundThreads && m_backgroundStages.size() > 0) |
| 119 m_backgroundThread = adoptPtr(Platform::current()->createThread("Reverb
convolution background thread")); | 119 m_backgroundThread = adoptPtr(Platform::current()->createThread("Reverb
convolution background thread")); |
| 120 } | 120 } |
| 121 | 121 |
| 122 ReverbConvolver::~ReverbConvolver() | 122 ReverbConvolver::~ReverbConvolver() |
| 123 { | 123 { |
| 124 // Wait for background thread to stop | 124 // Wait for background thread to stop |
| 125 m_backgroundThread.clear(); | 125 m_backgroundThread.reset(); |
| 126 } | 126 } |
| 127 | 127 |
| 128 void ReverbConvolver::processInBackground() | 128 void ReverbConvolver::processInBackground() |
| 129 { | 129 { |
| 130 // Process all of the stages until their read indices reach the input buffer
's write index | 130 // Process all of the stages until their read indices reach the input buffer
's write index |
| 131 int writeIndex = m_inputBuffer.writeIndex(); | 131 int writeIndex = m_inputBuffer.writeIndex(); |
| 132 | 132 |
| 133 // Even though it doesn't seem like every stage needs to maintain its own ve
rsion of readIndex | 133 // Even though it doesn't seem like every stage needs to maintain its own ve
rsion of readIndex |
| 134 // we do this in case we want to run in more than one background thread. | 134 // we do this in case we want to run in more than one background thread. |
| 135 int readIndex; | 135 int readIndex; |
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| 184 m_accumulationBuffer.reset(); | 184 m_accumulationBuffer.reset(); |
| 185 m_inputBuffer.reset(); | 185 m_inputBuffer.reset(); |
| 186 } | 186 } |
| 187 | 187 |
| 188 size_t ReverbConvolver::latencyFrames() const | 188 size_t ReverbConvolver::latencyFrames() const |
| 189 { | 189 { |
| 190 return 0; | 190 return 0; |
| 191 } | 191 } |
| 192 | 192 |
| 193 } // namespace blink | 193 } // namespace blink |
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