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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 AN
Y | 13 * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' AND AN
Y |
14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED | 14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED |
15 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE | 15 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
16 * DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS BE LIABLE FOR AN
Y | 16 * DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS BE LIABLE FOR AN
Y |
17 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES | 17 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES |
18 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; | 18 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
19 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND O
N | 19 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND O
N |
20 * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | 20 * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
21 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS | 21 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS |
22 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | 22 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
23 */ | 23 */ |
24 | 24 |
25 #ifndef HRTFPanner_h | 25 #ifndef HRTFPanner_h |
26 #define HRTFPanner_h | 26 #define HRTFPanner_h |
27 | 27 |
28 #include "platform/audio/AudioDelayDSPKernel.h" | 28 #include "platform/audio/AudioDelayDSPKernel.h" |
| 29 #include "platform/audio/AudioUtilities.h" |
29 #include "platform/audio/FFTConvolver.h" | 30 #include "platform/audio/FFTConvolver.h" |
30 #include "platform/audio/HRTFDatabaseLoader.h" | 31 #include "platform/audio/HRTFDatabaseLoader.h" |
31 #include "platform/audio/Panner.h" | 32 #include "platform/audio/Panner.h" |
32 | 33 |
33 namespace blink { | 34 namespace blink { |
34 | 35 |
35 class PLATFORM_EXPORT HRTFPanner FINAL : public Panner { | 36 class PLATFORM_EXPORT HRTFPanner FINAL : public Panner { |
36 public: | 37 public: |
37 HRTFPanner(float sampleRate, HRTFDatabaseLoader*); | 38 HRTFPanner(float sampleRate, HRTFDatabaseLoader*); |
38 virtual ~HRTFPanner(); | 39 virtual ~HRTFPanner(); |
39 | 40 |
40 // Panner | 41 // Panner |
41 virtual void pan(double azimuth, double elevation, const AudioBus* inputBus,
AudioBus* outputBus, size_t framesToProcess) OVERRIDE; | 42 virtual void pan(double azimuth, double elevation, const AudioBus* inputBus,
AudioBus* outputBus, size_t framesToProcess) OVERRIDE; |
42 virtual void reset() OVERRIDE; | 43 virtual void reset() OVERRIDE; |
43 | 44 |
44 size_t fftSize() const { return fftSizeForSampleRate(m_sampleRate); } | 45 size_t fftSize() const { return AudioUtilities::fftSizeForSampleRate(m_sampl
eRate); } |
45 static size_t fftSizeForSampleRate(float sampleRate); | |
46 | 46 |
47 float sampleRate() const { return m_sampleRate; } | 47 float sampleRate() const { return m_sampleRate; } |
48 | 48 |
49 virtual double tailTime() const OVERRIDE; | 49 virtual double tailTime() const OVERRIDE; |
50 virtual double latencyTime() const OVERRIDE; | 50 virtual double latencyTime() const OVERRIDE; |
51 | 51 |
52 virtual void trace(Visitor*) OVERRIDE; | 52 virtual void trace(Visitor*) OVERRIDE; |
53 | 53 |
54 private: | 54 private: |
55 // Given an azimuth angle in the range -180 -> +180, returns the correspondi
ng azimuth index for the database, | 55 // Given an azimuth angle in the range -180 -> +180, returns the correspondi
ng azimuth index for the database, |
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102 | 102 |
103 AudioFloatArray m_tempL1; | 103 AudioFloatArray m_tempL1; |
104 AudioFloatArray m_tempR1; | 104 AudioFloatArray m_tempR1; |
105 AudioFloatArray m_tempL2; | 105 AudioFloatArray m_tempL2; |
106 AudioFloatArray m_tempR2; | 106 AudioFloatArray m_tempR2; |
107 }; | 107 }; |
108 | 108 |
109 } // namespace blink | 109 } // namespace blink |
110 | 110 |
111 #endif // HRTFPanner_h | 111 #endif // HRTFPanner_h |
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