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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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| 167 m_backgroundStages[i]->processInBackground(this, SliceSize); | 167 m_backgroundStages[i]->processInBackground(this, SliceSize); |
| 168 } | 168 } |
| 169 } | 169 } |
| 170 | 170 |
| 171 void ReverbConvolver::process(const AudioChannel* sourceChannel, | 171 void ReverbConvolver::process(const AudioChannel* sourceChannel, |
| 172 AudioChannel* destinationChannel, | 172 AudioChannel* destinationChannel, |
| 173 size_t framesToProcess) { | 173 size_t framesToProcess) { |
| 174 bool isSafe = sourceChannel && destinationChannel && | 174 bool isSafe = sourceChannel && destinationChannel && |
| 175 sourceChannel->length() >= framesToProcess && | 175 sourceChannel->length() >= framesToProcess && |
| 176 destinationChannel->length() >= framesToProcess; | 176 destinationChannel->length() >= framesToProcess; |
| 177 ASSERT(isSafe); | 177 DCHECK(isSafe); |
| 178 if (!isSafe) | 178 if (!isSafe) |
| 179 return; | 179 return; |
| 180 | 180 |
| 181 const float* source = sourceChannel->data(); | 181 const float* source = sourceChannel->data(); |
| 182 float* destination = destinationChannel->mutableData(); | 182 float* destination = destinationChannel->mutableData(); |
| 183 bool isDataSafe = source && destination; | 183 bool isDataSafe = source && destination; |
| 184 ASSERT(isDataSafe); | 184 DCHECK(isDataSafe); |
| 185 if (!isDataSafe) | 185 if (!isDataSafe) |
| 186 return; | 186 return; |
| 187 | 187 |
| 188 // Feed input buffer (read by all threads) | 188 // Feed input buffer (read by all threads) |
| 189 m_inputBuffer.write(source, framesToProcess); | 189 m_inputBuffer.write(source, framesToProcess); |
| 190 | 190 |
| 191 // Accumulate contributions from each stage | 191 // Accumulate contributions from each stage |
| 192 for (size_t i = 0; i < m_stages.size(); ++i) | 192 for (size_t i = 0; i < m_stages.size(); ++i) |
| 193 m_stages[i]->process(source, framesToProcess); | 193 m_stages[i]->process(source, framesToProcess); |
| 194 | 194 |
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| 212 | 212 |
| 213 m_accumulationBuffer.reset(); | 213 m_accumulationBuffer.reset(); |
| 214 m_inputBuffer.reset(); | 214 m_inputBuffer.reset(); |
| 215 } | 215 } |
| 216 | 216 |
| 217 size_t ReverbConvolver::latencyFrames() const { | 217 size_t ReverbConvolver::latencyFrames() const { |
| 218 return 0; | 218 return 0; |
| 219 } | 219 } |
| 220 | 220 |
| 221 } // namespace blink | 221 } // namespace blink |
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