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Side by Side Diff: Source/modules/webaudio/WaveShaperProcessor.h

Issue 606653006: bindings: Adds DOMArrayBuffer, etc. as thin wrappers for ArrayBuffer, etc. (Closed) Base URL: svn://svn.chromium.org/blink/trunk
Patch Set: Synced. Created 6 years, 2 months ago
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1 /* 1 /*
2 * Copyright (C) 2011, Google Inc. All rights reserved. 2 * Copyright (C) 2011, 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 WaveShaperProcessor_h 25 #ifndef WaveShaperProcessor_h
26 #define WaveShaperProcessor_h 26 #define WaveShaperProcessor_h
27 27
28 #include "core/dom/DOMTypedArray.h"
29 #include "modules/webaudio/AudioNode.h"
28 #include "platform/audio/AudioDSPKernel.h" 30 #include "platform/audio/AudioDSPKernel.h"
29 #include "platform/audio/AudioDSPKernelProcessor.h" 31 #include "platform/audio/AudioDSPKernelProcessor.h"
30 #include "modules/webaudio/AudioNode.h"
31 #include "wtf/Float32Array.h"
32 #include "wtf/RefPtr.h" 32 #include "wtf/RefPtr.h"
33 #include "wtf/ThreadingPrimitives.h" 33 #include "wtf/ThreadingPrimitives.h"
34 34
35 namespace blink { 35 namespace blink {
36 36
37 // WaveShaperProcessor is an AudioDSPKernelProcessor which uses WaveShaperDSPKer nel objects to implement non-linear distortion effects. 37 // WaveShaperProcessor is an AudioDSPKernelProcessor which uses WaveShaperDSPKer nel objects to implement non-linear distortion effects.
38 38
39 class WaveShaperProcessor final : public AudioDSPKernelProcessor { 39 class WaveShaperProcessor final : public AudioDSPKernelProcessor {
40 public: 40 public:
41 enum OverSampleType { 41 enum OverSampleType {
42 OverSampleNone, 42 OverSampleNone,
43 OverSample2x, 43 OverSample2x,
44 OverSample4x 44 OverSample4x
45 }; 45 };
46 46
47 WaveShaperProcessor(float sampleRate, size_t numberOfChannels); 47 WaveShaperProcessor(float sampleRate, size_t numberOfChannels);
48 48
49 virtual ~WaveShaperProcessor(); 49 virtual ~WaveShaperProcessor();
50 50
51 virtual PassOwnPtr<AudioDSPKernel> createKernel() override; 51 virtual PassOwnPtr<AudioDSPKernel> createKernel() override;
52 52
53 virtual void process(const AudioBus* source, AudioBus* destination, size_t f ramesToProcess) override; 53 virtual void process(const AudioBus* source, AudioBus* destination, size_t f ramesToProcess) override;
54 54
55 void setCurve(Float32Array*); 55 void setCurve(DOMFloat32Array*);
56 Float32Array* curve() { return m_curve.get(); } 56 DOMFloat32Array* curve() { return m_curve.get(); }
57 57
58 void setOversample(OverSampleType); 58 void setOversample(OverSampleType);
59 OverSampleType oversample() const { return m_oversample; } 59 OverSampleType oversample() const { return m_oversample; }
60 60
61 private: 61 private:
62 // m_curve represents the non-linear shaping curve. 62 // m_curve represents the non-linear shaping curve.
63 RefPtr<Float32Array> m_curve; 63 RefPtr<DOMFloat32Array> m_curve;
64 64
65 OverSampleType m_oversample; 65 OverSampleType m_oversample;
66 }; 66 };
67 67
68 } // namespace blink 68 } // namespace blink
69 69
70 #endif // WaveShaperProcessor_h 70 #endif // WaveShaperProcessor_h
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