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