1/*
2 * Copyright (C) 2011, Google Inc. All rights reserved.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
6 * are met:
7 * 1.  Redistributions of source code must retain the above copyright
8 *    notice, this list of conditions and the following disclaimer.
9 * 2.  Redistributions in binary form must reproduce the above copyright
10 *    notice, this list of conditions and the following disclaimer in the
11 *    documentation and/or other materials provided with the distribution.
12 *
13 * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' AND ANY
14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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 ANY
17 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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 ON
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
22 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
23 */
24
25#ifndef WaveShaperNode_h
26#define WaveShaperNode_h
27
28#include "modules/webaudio/AudioBasicProcessorNode.h"
29#include "modules/webaudio/BiquadProcessor.h"
30#include "modules/webaudio/WaveShaperProcessor.h"
31#include "wtf/Forward.h"
32
33namespace blink {
34
35class ExceptionState;
36
37class WaveShaperNode FINAL : public AudioBasicProcessorNode {
38    DEFINE_WRAPPERTYPEINFO();
39public:
40    static WaveShaperNode* create(AudioContext* context)
41    {
42        return adoptRefCountedGarbageCollectedWillBeNoop(new WaveShaperNode(context));
43    }
44
45    // setCurve() is called on the main thread.
46    void setCurve(Float32Array*);
47    Float32Array* curve();
48
49    void setOversample(const String& , ExceptionState&);
50    String oversample() const;
51
52private:
53    explicit WaveShaperNode(AudioContext*);
54
55    WaveShaperProcessor* waveShaperProcessor() { return static_cast<WaveShaperProcessor*>(processor()); }
56};
57
58} // namespace blink
59
60#endif // WaveShaperNode_h
61