OLD | NEW |
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 |
(...skipping 10 matching lines...) Expand all Loading... |
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 |
(...skipping 535 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
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) | |
OLD | NEW |