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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 |
11 * documentation and/or other materials provided with the distribution. | 11 * documentation and/or other materials provided with the distribution. |
12 * | 12 * |
13 * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' AND | 13 * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' AND |
14 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | 14 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | 15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
16 * ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS BE LIABLE | 16 * ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS BE LIABLE |
17 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL | 17 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
18 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR | 18 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR |
19 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER | 19 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER |
20 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT | 20 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
21 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY | 21 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
22 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH | 22 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH |
23 * DAMAGE. | 23 * DAMAGE. |
24 */ | 24 */ |
25 | 25 |
| 26 #include "modules/webaudio/ConvolverNode.h" |
| 27 #include <memory> |
26 #include "bindings/core/v8/ExceptionState.h" | 28 #include "bindings/core/v8/ExceptionState.h" |
27 #include "core/dom/ExceptionCode.h" | 29 #include "core/dom/ExceptionCode.h" |
28 #include "modules/webaudio/AudioBuffer.h" | 30 #include "modules/webaudio/AudioBuffer.h" |
29 #include "modules/webaudio/AudioNodeInput.h" | 31 #include "modules/webaudio/AudioNodeInput.h" |
30 #include "modules/webaudio/AudioNodeOutput.h" | 32 #include "modules/webaudio/AudioNodeOutput.h" |
31 #include "modules/webaudio/ConvolverNode.h" | |
32 #include "modules/webaudio/ConvolverOptions.h" | 33 #include "modules/webaudio/ConvolverOptions.h" |
33 #include "platform/audio/Reverb.h" | 34 #include "platform/audio/Reverb.h" |
34 #include "wtf/PtrUtil.h" | 35 #include "wtf/PtrUtil.h" |
35 #include <memory> | |
36 | 36 |
37 // Note about empirical tuning: | 37 // Note about empirical tuning: |
38 // The maximum FFT size affects reverb performance and accuracy. | 38 // The maximum FFT size affects reverb performance and accuracy. |
39 // If the reverb is single-threaded and processes entirely in the real-time | 39 // If the reverb is single-threaded and processes entirely in the real-time |
40 // audio thread, it's important not to make this too high. In this case 8192 is | 40 // audio thread, it's important not to make this too high. In this case 8192 is |
41 // a good value. But, the Reverb object is multi-threaded, so we want this as | 41 // a good value. But, the Reverb object is multi-threaded, so we want this as |
42 // high as possible without losing too much accuracy. Very large FFTs will have | 42 // high as possible without losing too much accuracy. Very large FFTs will have |
43 // worse phase errors. Given these constraints 32768 is a good compromise. | 43 // worse phase errors. Given these constraints 32768 is a good compromise. |
44 const size_t MaxFFTSize = 32768; | 44 const size_t MaxFFTSize = 32768; |
45 | 45 |
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228 | 228 |
229 bool ConvolverNode::normalize() const { | 229 bool ConvolverNode::normalize() const { |
230 return convolverHandler().normalize(); | 230 return convolverHandler().normalize(); |
231 } | 231 } |
232 | 232 |
233 void ConvolverNode::setNormalize(bool normalize) { | 233 void ConvolverNode::setNormalize(bool normalize) { |
234 convolverHandler().setNormalize(normalize); | 234 convolverHandler().setNormalize(normalize); |
235 } | 235 } |
236 | 236 |
237 } // namespace blink | 237 } // namespace blink |
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