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

Issue 2707243006: [SharedArrayBuffer] Prevent SharedArrayBuffer being used in Web APIs (Closed)
Patch Set: update comment, add TODO 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>
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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