OpenShot Audio Library | OpenShotAudio 0.3.2

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juce_FFT.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 By using JUCE, you agree to the terms of both the JUCE 5 End-User License
11 Agreement and JUCE 5 Privacy Policy (both updated and effective as of the
12 27th April 2017).
13
14 End User License Agreement: www.juce.com/juce-5-licence
15 Privacy Policy: www.juce.com/juce-5-privacy-policy
16
17 Or: You may also use this code under the terms of the GPL v3 (see
18 www.gnu.org/licenses).
19
20 JUCE IS PROVIDED "AS IS" WITHOUT ANY WARRANTY, AND ALL WARRANTIES, WHETHER
21 EXPRESSED OR IMPLIED, INCLUDING MERCHANTABILITY AND FITNESS FOR PURPOSE, ARE
22 DISCLAIMED.
23
24 ==============================================================================
25*/
26
27 namespace juce
28{
29 namespace dsp
30{
31
45 class JUCE_API FFT
46{
47 public:
48 //==============================================================================
52 FFT (int order);
53
55 ~FFT();
56
57 //==============================================================================
61 void perform (const Complex<float>* input, Complex<float>* output, bool inverse) const noexcept;
62
82 void performRealOnlyForwardTransform (float* inputOutputData,
83 bool dontCalculateNegativeFrequencies = false) const noexcept;
84
92 void performRealOnlyInverseTransform (float* inputOutputData) const noexcept;
93
98 void performFrequencyOnlyForwardTransform (float* inputOutputData) const noexcept;
99
101 int getSize() const noexcept { return size; }
102
103 //==============================================================================
104 #ifndef DOXYGEN
105 /* internal */
106 struct Instance;
107 template <typename> struct EngineImpl;
108 #endif
109
110 private:
111 //==============================================================================
112 struct Engine;
113
114 std::unique_ptr<Instance> engine;
115 int size;
116
117 //==============================================================================
118 JUCE_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR (FFT)
119};
120
121} // namespace dsp
122} // namespace juce
juce::dsp::FFT
Definition: juce_FFT.h:46
juce::dsp::FFT::getSize
int getSize() const noexcept
Definition: juce_FFT.h:101