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Side by Side Diff: Source/platform/audio/Biquad.cpp

Issue 604753003: Removing #ifdefs for WEB_AUDIO compile time flag. (Closed) Base URL: https://chromium.googlesource.com/chromium/blink.git@master
Patch Set: Created 6 years, 2 months ago
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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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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 "config.h" 29 #include "config.h"
30 30
31 #if ENABLE(WEB_AUDIO)
32
33 #include "platform/audio/Biquad.h" 31 #include "platform/audio/Biquad.h"
34 32
35 #include <stdio.h> 33 #include <stdio.h>
36 #include <algorithm> 34 #include <algorithm>
37 #include "platform/audio/DenormalDisabler.h" 35 #include "platform/audio/DenormalDisabler.h"
38 #include "wtf/MathExtras.h" 36 #include "wtf/MathExtras.h"
39 37
40 #if OS(MACOSX) 38 #if OS(MACOSX)
41 #include <Accelerate/Accelerate.h> 39 #include <Accelerate/Accelerate.h>
42 #endif 40 #endif
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578 Complex z = Complex(cos(omega), sin(omega)); 576 Complex z = Complex(cos(omega), sin(omega));
579 Complex numerator = b0 + (b1 + b2 * z) * z; 577 Complex numerator = b0 + (b1 + b2 * z) * z;
580 Complex denominator = Complex(1, 0) + (a1 + a2 * z) * z; 578 Complex denominator = Complex(1, 0) + (a1 + a2 * z) * z;
581 Complex response = numerator / denominator; 579 Complex response = numerator / denominator;
582 magResponse[k] = static_cast<float>(abs(response)); 580 magResponse[k] = static_cast<float>(abs(response));
583 phaseResponse[k] = static_cast<float>(atan2(imag(response), real(respons e))); 581 phaseResponse[k] = static_cast<float>(atan2(imag(response), real(respons e)));
584 } 582 }
585 } 583 }
586 584
587 } // namespace blink 585 } // namespace blink
588
589 #endif // ENABLE(WEB_AUDIO)
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