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Side by Side Diff: third_party/WebKit/Source/modules/webaudio/PeriodicWave.h

Issue 2812833003: Revert of [SharedArrayBuffer] Prevent SharedArrayBuffer being used in Web APIs (Closed)
Patch Set: Created 3 years, 8 months ago
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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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