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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 |
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 "platform/audio/HRTFElevation.h" |
| 30 #include <math.h> |
| 31 #include <algorithm> |
| 32 #include <memory> |
29 #include "platform/audio/AudioBus.h" | 33 #include "platform/audio/AudioBus.h" |
30 #include "platform/audio/HRTFElevation.h" | |
31 #include "platform/audio/HRTFPanner.h" | 34 #include "platform/audio/HRTFPanner.h" |
32 #include "wtf/PtrUtil.h" | 35 #include "wtf/PtrUtil.h" |
33 #include "wtf/ThreadingPrimitives.h" | 36 #include "wtf/ThreadingPrimitives.h" |
34 #include "wtf/text/StringHash.h" | 37 #include "wtf/text/StringHash.h" |
35 #include <algorithm> | |
36 #include <math.h> | |
37 #include <memory> | |
38 | 38 |
39 namespace blink { | 39 namespace blink { |
40 | 40 |
41 const unsigned HRTFElevation::AzimuthSpacing = 15; | 41 const unsigned HRTFElevation::AzimuthSpacing = 15; |
42 const unsigned HRTFElevation::NumberOfRawAzimuths = 360 / AzimuthSpacing; | 42 const unsigned HRTFElevation::NumberOfRawAzimuths = 360 / AzimuthSpacing; |
43 const unsigned HRTFElevation::InterpolationFactor = 8; | 43 const unsigned HRTFElevation::InterpolationFactor = 8; |
44 const unsigned HRTFElevation::NumberOfTotalAzimuths = | 44 const unsigned HRTFElevation::NumberOfTotalAzimuths = |
45 NumberOfRawAzimuths * InterpolationFactor; | 45 NumberOfRawAzimuths * InterpolationFactor; |
46 | 46 |
47 // Total number of components of an HRTF database. | 47 // Total number of components of an HRTF database. |
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375 double frameDelay2R = m_kernelListR->at(azimuthIndex2)->frameDelay(); | 375 double frameDelay2R = m_kernelListR->at(azimuthIndex2)->frameDelay(); |
376 | 376 |
377 // Linearly interpolate delays. | 377 // Linearly interpolate delays. |
378 frameDelayL = | 378 frameDelayL = |
379 (1.0 - azimuthBlend) * frameDelayL + azimuthBlend * frameDelay2L; | 379 (1.0 - azimuthBlend) * frameDelayL + azimuthBlend * frameDelay2L; |
380 frameDelayR = | 380 frameDelayR = |
381 (1.0 - azimuthBlend) * frameDelayR + azimuthBlend * frameDelay2R; | 381 (1.0 - azimuthBlend) * frameDelayR + azimuthBlend * frameDelay2R; |
382 } | 382 } |
383 | 383 |
384 } // namespace blink | 384 } // namespace blink |
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