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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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| 22 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | 22 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 23 */ | 23 */ |
| 24 | 24 |
| 25 #include "modules/webaudio/ConvolverNode.h" | 25 #include "modules/webaudio/ConvolverNode.h" |
| 26 #include "bindings/core/v8/ExceptionState.h" | 26 #include "bindings/core/v8/ExceptionState.h" |
| 27 #include "core/dom/ExceptionCode.h" | 27 #include "core/dom/ExceptionCode.h" |
| 28 #include "modules/webaudio/AudioBuffer.h" | 28 #include "modules/webaudio/AudioBuffer.h" |
| 29 #include "modules/webaudio/AudioNodeInput.h" | 29 #include "modules/webaudio/AudioNodeInput.h" |
| 30 #include "modules/webaudio/AudioNodeOutput.h" | 30 #include "modules/webaudio/AudioNodeOutput.h" |
| 31 #include "platform/audio/Reverb.h" | 31 #include "platform/audio/Reverb.h" |
| 32 #include "wtf/MainThread.h" | |
| 33 | 32 |
| 34 // Note about empirical tuning: | 33 // Note about empirical tuning: |
| 35 // The maximum FFT size affects reverb performance and accuracy. | 34 // The maximum FFT size affects reverb performance and accuracy. |
| 36 // If the reverb is single-threaded and processes entirely in the real-time audi
o thread, | 35 // If the reverb is single-threaded and processes entirely in the real-time audi
o thread, |
| 37 // it's important not to make this too high. In this case 8192 is a good value. | 36 // it's important not to make this too high. In this case 8192 is a good value. |
| 38 // But, the Reverb object is multi-threaded, so we want this as high as possible
without losing too much accuracy. | 37 // But, the Reverb object is multi-threaded, so we want this as high as possible
without losing too much accuracy. |
| 39 // Very large FFTs will have worse phase errors. Given these constraints 32768 i
s a good compromise. | 38 // Very large FFTs will have worse phase errors. Given these constraints 32768 i
s a good compromise. |
| 40 const size_t MaxFFTSize = 32768; | 39 const size_t MaxFFTSize = 32768; |
| 41 | 40 |
| 42 namespace blink { | 41 namespace blink { |
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| 197 return convolverHandler().normalize(); | 196 return convolverHandler().normalize(); |
| 198 } | 197 } |
| 199 | 198 |
| 200 void ConvolverNode::setNormalize(bool normalize) | 199 void ConvolverNode::setNormalize(bool normalize) |
| 201 { | 200 { |
| 202 convolverHandler().setNormalize(normalize); | 201 convolverHandler().setNormalize(normalize); |
| 203 } | 202 } |
| 204 | 203 |
| 205 } // namespace blink | 204 } // namespace blink |
| 206 | 205 |
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