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 | #pragma once |
26 | |
27 | #include "AudioBasicProcessorNode.h" |
28 | #include "WaveShaperProcessor.h" |
29 | #include <wtf/Forward.h> |
30 | |
31 | namespace WebCore { |
32 | |
33 | class WaveShaperNode final : public AudioBasicProcessorNode { |
34 | WTF_MAKE_ISO_ALLOCATED(WaveShaperNode); |
35 | public: |
36 | static Ref<WaveShaperNode> create(AudioContext& context) |
37 | { |
38 | return adoptRef(*new WaveShaperNode(context)); |
39 | } |
40 | |
41 | // setCurve() is called on the main thread. |
42 | void setCurve(Float32Array&); |
43 | Float32Array* curve(); |
44 | |
45 | enum class OverSampleType { None, _2x, _4x }; |
46 | void setOversample(OverSampleType); |
47 | OverSampleType oversample() const; |
48 | |
49 | double latency() const { return latencyTime(); } |
50 | |
51 | private: |
52 | explicit WaveShaperNode(AudioContext&); |
53 | |
54 | WaveShaperProcessor* waveShaperProcessor() { return static_cast<WaveShaperProcessor*>(processor()); } |
55 | }; |
56 | |
57 | String convertEnumerationToString(WebCore::WaveShaperNode::OverSampleType); // in JSWaveShaperNode.cpp |
58 | |
59 | } // namespace WebCore |
60 | |
61 | namespace WTF { |
62 | |
63 | template<> struct LogArgument<WebCore::WaveShaperNode::OverSampleType> { |
64 | static String toString(WebCore::WaveShaperNode::OverSampleType type) { return convertEnumerationToString(type); } |
65 | }; |
66 | |
67 | } // namespace WTF |
68 | |