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1 /* | 1 /* |
2 * Copyright (C) 2012 Google Inc. All rights reserved. | 2 * Copyright (C) 2012 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 |
11 * notice, this list of conditions and the following disclaimer in the | 11 * notice, this list of conditions and the following disclaimer in the |
12 * documentation and/or other materials provided with the distribution. | 12 * documentation and/or other materials provided with the distribution. |
13 * 3. Neither the name of Apple Computer, Inc. ("Apple") nor the names of | 13 * 3. Neither the name of Apple Computer, Inc. ("Apple") nor the names of |
14 * its contributors may be used to endorse or promote products derived | 14 * its contributors may be used to endorse or promote products derived |
15 * from this software without specific prior written permission. | 15 * from this software without specific prior written permission. |
16 * | 16 * |
17 * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY | 17 * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY |
18 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED | 18 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED |
19 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE | 19 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
20 * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY | 20 * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY |
21 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES | 21 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES |
22 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; | 22 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
23 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND | 23 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND |
24 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | 24 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF | 25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | 26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
27 */ | 27 */ |
28 | 28 |
29 #include "modules/webaudio/PeriodicWave.h" | 29 #include "modules/webaudio/PeriodicWave.h" |
30 | |
31 #if ENABLE(WEB_AUDIO) | |
32 #include "modules/webaudio/OscillatorNode.h" | 30 #include "modules/webaudio/OscillatorNode.h" |
33 #include "platform/audio/FFTFrame.h" | 31 #include "platform/audio/FFTFrame.h" |
34 #include "platform/audio/VectorMath.h" | 32 #include "platform/audio/VectorMath.h" |
35 #include <algorithm> | 33 #include <algorithm> |
36 | 34 |
37 namespace blink { | 35 namespace blink { |
38 | 36 |
39 // The number of bands per octave. Each octave will have this many entries in t
he wave tables. | 37 // The number of bands per octave. Each octave will have this many entries in t
he wave tables. |
40 const unsigned kNumberOfOctaveBands = 3; | 38 const unsigned kNumberOfOctaveBands = 3; |
41 | 39 |
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309 | 307 |
310 realP[n] = 0; | 308 realP[n] = 0; |
311 imagP[n] = b; | 309 imagP[n] = b; |
312 } | 310 } |
313 | 311 |
314 createBandLimitedTables(realP, imagP, halfSize, false); | 312 createBandLimitedTables(realP, imagP, halfSize, false); |
315 } | 313 } |
316 | 314 |
317 } // namespace blink | 315 } // namespace blink |
318 | 316 |
319 #endif // ENABLE(WEB_AUDIO) | |
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