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juce_LagrangeInterpolator.h
1/*
2 ==============================================================================
3
4 This file is part of the JUCE library.
5 Copyright (c) 2017 - ROLI Ltd.
6
7 JUCE is an open source library subject to commercial or open-source
8 licensing.
9
10 The code included in this file is provided under the terms of the ISC license
11 http://www.isc.org/downloads/software-support-policy/isc-license. Permission
12 To use, copy, modify, and/or distribute this software for any purpose with or
13 without fee is hereby granted provided that the above copyright notice and
14 this permission notice appear in all copies.
15
16 JUCE IS PROVIDED "AS IS" WITHOUT ANY WARRANTY, AND ALL WARRANTIES, WHETHER
17 EXPRESSED OR IMPLIED, INCLUDING MERCHANTABILITY AND FITNESS FOR PURPOSE, ARE
18 DISCLAIMED.
19
20 ==============================================================================
21*/
22
23 namespace juce
24{
25
39 class JUCE_API LagrangeInterpolator
40{
41 public:
42 LagrangeInterpolator() noexcept;
43 ~LagrangeInterpolator() noexcept;
44
45 LagrangeInterpolator (LagrangeInterpolator&&) noexcept = default;
46 LagrangeInterpolator& operator= (LagrangeInterpolator&&) noexcept = default;
47
51 void reset() noexcept;
52
63 int process (double speedRatio,
64 const float* inputSamples,
65 float* outputSamples,
66 int numOutputSamplesToProduce) noexcept;
67
83 int process (double speedRatio,
84 const float* inputSamples,
85 float* outputSamples,
86 int numOutputSamplesToProduce,
87 int available,
88 int wrapAround) noexcept;
89
105 int processAdding (double speedRatio,
106 const float* inputSamples,
107 float* outputSamples,
108 int numOutputSamplesToProduce,
109 float gain) noexcept;
110
131 int processAdding (double speedRatio,
132 const float* inputSamples,
133 float* outputSamples,
134 int numOutputSamplesToProduce,
135 int available,
136 int wrapAround,
137 float gain) noexcept;
138
139 private:
140 float lastInputSamples[5];
141 double subSamplePos;
142
143 JUCE_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR (LagrangeInterpolator)
144};
145
146} // namespace juce
juce::LagrangeInterpolator
Definition: juce_LagrangeInterpolator.h:40