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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 |
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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 #ifndef PeriodicWave_h | 29 #ifndef PeriodicWave_h |
30 #define PeriodicWave_h | 30 #define PeriodicWave_h |
31 | 31 |
32 #include <memory> | |
33 #include "bindings/core/v8/ScriptWrappable.h" | 32 #include "bindings/core/v8/ScriptWrappable.h" |
34 #include "core/dom/DOMTypedArray.h" | 33 #include "core/dom/DOMTypedArray.h" |
35 #include "core/dom/NotShared.h" | |
36 #include "platform/audio/AudioArray.h" | 34 #include "platform/audio/AudioArray.h" |
37 #include "wtf/Forward.h" | 35 #include "wtf/Forward.h" |
38 #include "wtf/Vector.h" | 36 #include "wtf/Vector.h" |
| 37 #include <memory> |
39 | 38 |
40 namespace blink { | 39 namespace blink { |
41 | 40 |
42 class BaseAudioContext; | 41 class BaseAudioContext; |
43 class ExceptionState; | 42 class ExceptionState; |
44 class PeriodicWaveOptions; | 43 class PeriodicWaveOptions; |
45 | 44 |
46 class PeriodicWave final : public GarbageCollectedFinalized<PeriodicWave>, | 45 class PeriodicWave final : public GarbageCollectedFinalized<PeriodicWave>, |
47 public ScriptWrappable { | 46 public ScriptWrappable { |
48 DEFINE_WRAPPERTYPEINFO(); | 47 DEFINE_WRAPPERTYPEINFO(); |
49 | 48 |
50 public: | 49 public: |
51 static PeriodicWave* CreateSine(float sample_rate); | 50 static PeriodicWave* CreateSine(float sample_rate); |
52 static PeriodicWave* CreateSquare(float sample_rate); | 51 static PeriodicWave* CreateSquare(float sample_rate); |
53 static PeriodicWave* CreateSawtooth(float sample_rate); | 52 static PeriodicWave* CreateSawtooth(float sample_rate); |
54 static PeriodicWave* CreateTriangle(float sample_rate); | 53 static PeriodicWave* CreateTriangle(float sample_rate); |
55 | 54 |
56 // Creates an arbitrary periodic wave given the frequency components (Fourier | 55 // Creates an arbitrary periodic wave given the frequency components (Fourier |
57 // coefficients). | 56 // coefficients). |
58 static PeriodicWave* Create(BaseAudioContext&, | 57 static PeriodicWave* Create(BaseAudioContext&, |
59 size_t real_length, | 58 size_t real_length, |
60 const float* real, | 59 const float* real, |
61 size_t imag_length, | 60 size_t imag_length, |
62 const float* imag, | 61 const float* imag, |
63 bool normalize, | 62 bool normalize, |
64 ExceptionState&); | 63 ExceptionState&); |
65 | 64 |
66 static PeriodicWave* Create(BaseAudioContext&, | 65 static PeriodicWave* Create(BaseAudioContext&, |
67 NotShared<DOMFloat32Array> real, | 66 DOMFloat32Array* real, |
68 NotShared<DOMFloat32Array> imag, | 67 DOMFloat32Array* imag, |
69 bool normalize, | 68 bool normalize, |
70 ExceptionState&); | 69 ExceptionState&); |
71 | 70 |
72 static PeriodicWave* Create(BaseAudioContext*, | 71 static PeriodicWave* Create(BaseAudioContext*, |
73 const PeriodicWaveOptions&, | 72 const PeriodicWaveOptions&, |
74 ExceptionState&); | 73 ExceptionState&); |
75 | 74 |
76 virtual ~PeriodicWave(); | 75 virtual ~PeriodicWave(); |
77 | 76 |
78 // Returns pointers to the lower and higher wave data for the pitch range | 77 // Returns pointers to the lower and higher wave data for the pitch range |
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129 void CreateBandLimitedTables(const float* real, | 128 void CreateBandLimitedTables(const float* real, |
130 const float* imag, | 129 const float* imag, |
131 unsigned number_of_components, | 130 unsigned number_of_components, |
132 bool disable_normalization); | 131 bool disable_normalization); |
133 Vector<std::unique_ptr<AudioFloatArray>> band_limited_tables_; | 132 Vector<std::unique_ptr<AudioFloatArray>> band_limited_tables_; |
134 }; | 133 }; |
135 | 134 |
136 } // namespace blink | 135 } // namespace blink |
137 | 136 |
138 #endif // PeriodicWave_h | 137 #endif // PeriodicWave_h |
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